/* roulang page: index */
:root {
    --bg-main: #F7F7FA;
    --bg-card: #FFFFFF;
    --bg-deep: #171433;
    --primary: #5B54DF;
    --primary-dark: #4A44C6;
    --accent: #FF6A3D;
    --accent-dark: #EF4E20;
    --support: #20B8A6;
    --text-strong: #1F1B2E;
    --text-body: #494760;
    --muted: #7C7A90;
    --deep-text: #F3F1FF;
    --deep-muted: #BCB6DC;
    --border: #ECEAFA;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-xs: 0 1px 2px rgba(23,20,51,.06);
    --shadow-sm: 0 4px 12px rgba(23,20,51,.08);
    --shadow-lg: 0 12px 40px rgba(35,26,88,.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}

body {
    margin: 0;
    background: var(--bg-main);
    color: var(--text-body);
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei UI', 'Microsoft YaHei', ui-sans-serif, 'Segoe UI', sans-serif;
    line-height: 1.6;
    font-size: 16px;
    padding-top: 72px;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input {
    font: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.container-x {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 24px;
}

.section {
    padding-block: 96px;
}

/* Header */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    height: 72px;
    background: rgba(250,250,253,.88);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    transition: box-shadow .2s cubic-bezier(.2,.6,.2,1);
}

.site-header.is-scrolled {
    box-shadow: 0 6px 24px rgba(23,20,51,.08);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-strong);
    font-weight: 900;
    font-size: 18px;
    white-space: nowrap;
    flex-shrink: 0;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #8B5CF6);
    color: #fff;
    font-weight: 900;
    font-size: 15px;
    box-shadow: 0 6px 16px rgba(91,84,223,.3);
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 22px;
    margin-inline: auto;
    min-width: 0;
    overflow: visible;
    white-space: nowrap;
}

.nav-desktop a {
    position: relative;
    color: var(--text-body);
    font-size: 15px;
    font-weight: 600;
    padding-block: 8px;
    transition: color .2s cubic-bezier(.2,.6,.2,1);
}

.nav-desktop a:hover {
    color: var(--text-strong);
}

.nav-desktop a.is-active {
    color: var(--text-strong);
}

.nav-desktop a.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.header-search {
    display: none;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid;
    border-color: var(--border);
    border-radius: 999px;
    padding: 7px 12px;
    width: 210px;
    color: var(--muted);
    transition: border-color .2s cubic-bezier(.2,.6,.2,1), box-shadow .2s cubic-bezier(.2,.6,.2,1);
}

.header-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(91,84,223,.15);
}

.header-search input {
    border: 0;
    outline: 0;
    background: transparent;
    width: 100%;
    font-size: 14px;
    color: var(--text-strong);
}

.header-search input::placeholder {
    color: var(--muted);
}

.header-start {
    display: none;
}

.mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-strong);
    cursor: pointer;
    transition: background .2s cubic-bezier(.2,.6,.2,1);
}

.mobile-toggle:hover {
    background: #fbfaff;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 16px 20px 28px;
    z-index: 99;
}

.mobile-menu.is-open {
    display: block;
}

.mobile-menu a {
    display: flex;
    align-items: center;
    min-height: 46px;
    color: var(--text-strong);
    font-weight: 600;
    border-bottom: 1px dashed var(--border);
}

.mobile-menu a.is-active {
    color: var(--primary);
}

.mobile-menu a:last-child {
    border-bottom: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    padding: 13px 20px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .2s cubic-bezier(.2,.6,.2,1), box-shadow .2s cubic-bezier(.2,.6,.2,1), background .2s cubic-bezier(.2,.6,.2,1), border-color .2s cubic-bezier(.2,.6,.2,1);
    min-height: 46px;
}

.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 8px 18px rgba(255,106,61,.22);
}

.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(2px);
    box-shadow: 0 4px 12px rgba(255,106,61,.24);
}

.btn-ghost {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.32);
    color: var(--deep-text);
}

.btn-ghost:hover {
    background: rgba(255,255,255,.16);
    border-color: rgba(255,255,255,.55);
    transform: translateY(2px);
}

.btn-lg {
    padding: 16px 26px;
    font-size: 16px;
}

.btn-sm {
    padding: 10px 16px;
    min-height: 42px;
    font-size: 14px;
}

/* Hero */
.hero {
    position: relative;
    color: var(--deep-text);
    background: var(--bg-deep) url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 75% 20%, rgba(91,84,223,.32), transparent 55%),
        linear-gradient(100deg, rgba(23,20,51,.97) 18%, rgba(28,22,60,.88) 55%, rgba(26,22,58,.8));
}

.hero .container-x {
    position: relative;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
    gap: 56px;
    align-items: center;
    padding-block: 84px 92px;
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 999px;
    padding: 6px 12px;
    color: #CFC9FF;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 22px;
}

.hero-title {
    margin: 0 0 22px;
    font-size: clamp(38px, 5vw, 54px);
    line-height: 1.18;
    letter-spacing: -1.2px;
    font-weight: 900;
    color: var(--deep-text);
}

.hero-acc {
    color: var(--accent);
}

.hero-lead {
    margin: 0 0 32px;
    font-size: 17px;
    line-height: 1.8;
    color: #D5D0F0;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 20px;
}

.hero-note {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    font-size: 13px;
    color: var(--deep-muted);
}

.hero-note span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.hero-note i {
    color: var(--support);
    font-size: 12px;
}

.hero-media {
    position: relative;
}

.hero-panel {
    border-radius: 24px;
    border: 1px solid rgba(255,255,255,.16);
    background: rgba(255,255,255,.08);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 24px 60px rgba(14,10,40,.38);
    overflow: hidden;
}

.hero-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px;
    color: #E9E5FF;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.hero-panel-header span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-panel-header .live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--support);
    box-shadow: 0 0 0 4px rgba(32,184,166,.2);
}

.hero-panel-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.hero-panel-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: rgba(255,255,255,.1);
    border-top: 1px solid rgba(255,255,255,.1);
}

.hero-mini {
    padding: 14px 16px;
    background: rgba(23,20,51,.22);
}

.hero-mini strong {
    display: block;
    color: #F6F3FF;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
}

.hero-mini span {
    color: var(--deep-muted);
    font-size: 12px;
}

.hero-mini img {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 8px;
}

.hero-float {
    position: absolute;
    right: -12px;
    bottom: 28px;
    background: #fff;
    color: var(--text-strong);
    padding: 12px 16px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}

.hero-float i {
    color: var(--accent);
}

@media (max-width: 1023px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        padding-block: 56px 64px;
    }
    .hero-media {
        display: none;
    }
}

/* Stats */
.stats-section {
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.stat-item {
    position: relative;
    text-align: center;
    padding: 38px 24px;
}

.stat-item + .stat-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 32px;
    bottom: 32px;
    width: 1px;
    background: var(--border);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 8px;
}

.stat-value {
    display: block;
    font-size: clamp(30px, 4vw, 48px);
    font-weight: 900;
    color: var(--text-strong);
    letter-spacing: -1px;
    line-height: 1.2;
}

.stat-value em {
    font-style: normal;
    color: var(--accent);
}

.stat-caption {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    color: var(--muted);
}

/* Section heading */
.section-head {
    max-width: 720px;
    margin-bottom: 52px;
}

.section-head.center {
    margin-inline: auto;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .04em;
    margin-bottom: 12px;
}

.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--accent);
}

.section-head h2,
.section-title {
    margin: 0 0 14px;
    color: var(--text-strong);
    font-size: clamp(28px, 3.2vw, 38px);
    line-height: 1.24;
    font-weight: 900;
    letter-spacing: -1px;
}

.section-head p {
    margin: 0;
    font-size: 16px;
    color: var(--muted);
    line-height: 1.8;
}

/* Service matrix */
.service-section {
    background: var(--bg-main);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 30px;
    min-height: 256px;
    display: flex;
    flex-direction: column;
    transition: transform .2s cubic-bezier(.2,.6,.2,1), box-shadow .2s cubic-bezier(.2,.6,.2,1), border-color .2s cubic-bezier(.2,.6,.2,1);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(91,84,223,.35);
}

.service-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: linear-gradient(135deg, #F1EFFE, #E4E0FF);
    color: var(--primary);
    font-size: 20px;
    flex-shrink: 0;
}

.service-top h3 {
    margin: 0;
    color: var(--text-strong);
    font-size: 20px;
    font-weight: 800;
}

.service-card p {
    margin: 0;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.75;
    flex: 1;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.tag {
    display: inline-flex;
    align-items: center;
    background: #F5F4FD;
    border: 1px solid var(--border);
    color: var(--primary);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 10px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    transition: gap .2s cubic-bezier(.2,.6,.2,1), color .2s cubic-bezier(.2,.6,.2,1);
}

.service-link:hover {
    color: var(--primary-dark);
    gap: 12px;
}

/* Compare */
.compare-section {
    background: var(--bg-deep);
    color: var(--deep-text);
    position: relative;
}

.compare-section::before {
    content: "";
    position: absolute;
    right: -120px;
    top: -140px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(91,84,223,.35), transparent 68%);
    pointer-events: none;
}

.compare-inner {
    position: relative;
    z-index: 2;
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.compare-card {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 24px;
    padding: 34px;
}

.compare-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 26px;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
}

.compare-card.is-old h3 i {
    color: #C6BFF4;
}

.compare-card.is-new h3 i {
    color: var(--accent);
}

.compare-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.compare-list li {
    position: relative;
    padding: 0 0 22px 34px;
    font-size: 15px;
    line-height: 1.75;
    color: #D6D1F0;
    border-left: 1px dashed rgba(255,255,255,.18);
    margin-left: 8px;
}

.compare-list li::before {
    content: "";
    position: absolute;
    left: -7px;
    top: 6px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid rgba(255,255,255,.18);
}

.compare-card.is-new .compare-list li::before {
    background: var(--support);
}

.compare-list li:last-child {
    border-left-color: transparent;
}

/* FAQ */
.faq-section {
    background: #fff;
}

.faq-inner {
    max-width: 860px;
    margin-inline: auto;
}

.faq-group {
    border: 1px solid var(--border);
    border-radius: 24px;
    overflow: hidden;
    background: var(--bg-main);
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
    border-bottom: 0;
}

.faq-item summary {
    list-style: none;
    position: relative;
    cursor: pointer;
    padding: 24px 54px 24px 26px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-strong);
    background: #fff;
    transition: background .2s cubic-bezier(.2,.6,.2,1);
}

.faq-item summary:hover {
    background: #faf9ff;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F0EEFE;
    color: var(--primary);
    font-size: 20px;
    font-weight: 400;
    transition: transform .2s cubic-bezier(.2,.6,.2,1), background .2s cubic-bezier(.2,.6,.2,1);
}

.faq-item[open] summary {
    background: #fbfaff;
}

.faq-item[open] summary::after {
    content: "−";
    background: var(--primary);
    color: #fff;
}

.faq-answer {
    padding: 2px 26px 24px;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.8;
}

/* CTA / Subscribe */
.cta-section {
    background: var(--bg-deep);
}

.cta-box {
    position: relative;
    border-radius: 28px;
    padding: 64px;
    overflow: hidden;
    background:
        linear-gradient(115deg, rgba(23,20,51,.96), rgba(36,29,75,.92)),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
    border: 1px solid rgba(255,255,255,.1);
    box-shadow: var(--shadow-lg);
    color: var(--deep-text);
}

.cta-box::after {
    content: "";
    position: absolute;
    right: -90px;
    top: -90px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,106,61,.22), transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin-inline: auto;
    text-align: center;
}

.cta-content h2 {
    color: #fff;
    margin: 0 0 16px;
    font-size: clamp(28px, 3.2vw, 38px);
    line-height: 1.28;
    font-weight: 900;
}

.cta-content p {
    margin: 0 0 32px;
    font-size: 16px;
    color: var(--deep-muted);
    line-height: 1.8;
}

.subscribe-form {
    width: 100%;
    max-width: 720px;
    margin-inline: auto;
}

.form-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.subscribe-form input[type="email"] {
    flex: 1;
    min-width: 0;
    height: 54px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.22);
    background: rgba(255,255,255,.1);
    color: #fff;
    padding: 0 18px;
    font-size: 15px;
    outline: none;
    transition: border-color .2s cubic-bezier(.2,.6,.2,1), box-shadow .2s cubic-bezier(.2,.6,.2,1);
}

.subscribe-form input[type="email"]::placeholder {
    color: #9f9ac4;
}

.subscribe-form input[type="email"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(91,84,223,.18);
    background: rgba(255,255,255,.16);
}

.subscribe-form .btn-accent {
    flex-shrink: 0;
    height: 54px;
    padding-inline: 28px;
}

.consent {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
    font-size: 13px;
    color: var(--deep-muted);
    cursor: pointer;
}

.consent input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

/* Latest news / CMS list */
.news-section {
    background: linear-gradient(180deg, var(--bg-main) 0%, #F0EEFC 100%);
}

.news-head-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 42px;
}

.news-head-row .section-head {
    margin-bottom: 0;
}

.news-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.news-card {
    position: relative;
    height: 100%;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 24px 24px 22px;
    display: flex;
    flex-direction: column;
    transition: transform .2s cubic-bezier(.2,.6,.2,1), box-shadow .2s cubic-bezier(.2,.6,.2,1), border-color .2s cubic-bezier(.2,.6,.2,1);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(91,84,223,.3);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.news-cat {
    display: inline-flex;
    align-items: center;
    background: #F1EFFE;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
}

.news-time {
    color: var(--muted);
    font-size: 13px;
}

.news-card h3 {
    margin: 0 0 10px;
    font-size: 18px;
    line-height: 1.5;
    font-weight: 800;
    color: var(--text-strong);
}

.news-card h3 a {
    transition: color .2s cubic-bezier(.2,.6,.2,1);
}

.news-card h3 a:hover {
    color: var(--primary);
}

.news-summary {
    margin: auto 0 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-empty {
    grid-column: 1 / -1;
    background: #fff;
    border: 1px dashed #D8D6EC;
    border-radius: 24px;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--muted);
    text-align: center;
}

.news-empty i {
    font-size: 34px;
    color: var(--primary);
    background: #F1EFFE;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
}

.news-empty span {
    font-size: 15px;
}

/* Footer */
.site-footer {
    background: #110D2A;
    color: #B9B3DA;
}

.footer-accent {
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary), transparent);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-block: 64px 44px;
}

.footer-logo,
.footer-brand-name {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 19px;
    font-weight: 900;
    margin-bottom: 20px;
}

.footer-logo .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    font-size: 14px;
}

.footer-brand p {
    max-width: 340px;
    color: #A6A0C8;
    font-size: 14px;
    line-height: 1.8;
    margin: 0 0 22px;
}

.footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 10px;
    padding: 10px 16px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    transition: background .2s cubic-bezier(.2,.6,.2,1), border-color .2s cubic-bezier(.2,.6,.2,1);
}

.footer-btn:hover {
    background: rgba(255,255,255,.1);
    border-color: rgba(255,255,255,.4);
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    margin: 0 0 18px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    color: #A6A0C8;
    font-size: 14px;
    line-height: 1.5;
    transition: color .2s cubic-bezier(.2,.6,.2,1);
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-block: 20px;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #8f89b4;
}

/* Responsive */
@media (max-width: 1023px) {
    body {
        padding-top: 64px;
    }
    .site-header,
    .header-inner {
        height: 64px;
    }
    .mobile-menu {
        top: 64px;
    }
    .nav-desktop {
        display: none;
    }
    .header-search,
    .header-start {
        display: none !important;
    }
    .mobile-toggle {
        display: inline-flex;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-item:nth-child(3)::before {
        display: none;
    }
    .service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .compare-grid {
        grid-template-columns: 1fr;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .mobile-toggle,
    .mobile-menu {
        display: none !important;
    }
    .header-search {
        display: flex;
    }
    .header-start {
        display: inline-flex;
    }
}

@media (max-width: 767px) {
    .section {
        padding-block: 60px;
    }
    .container-x {
        padding-inline: 16px;
    }
    .service-grid,
    .news-layout {
        grid-template-columns: 1fr;
    }
    .service-card {
        padding: 22px;
        min-height: 0;
    }
    .compare-card {
        padding: 24px 20px;
    }
    .cta-box {
        padding: 40px 22px;
        border-radius: 20px;
    }
    .form-row {
        flex-direction: column;
        align-items: stretch;
    }
    .subscribe-form .btn-accent {
        width: 100%;
    }
    .footer-top {
        grid-template-columns: 1fr;
        padding-block: 40px 24px;
    }
    .footer-bottom-inner {
        justify-content: center;
        text-align: center;
    }
    .stat-item {
        padding: 28px 12px;
    }
    .stat-value {
        font-size: 32px;
    }
}

@media (max-width: 520px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .stat-item + .stat-item::before {
        display: none;
    }
    .stat-item {
        background: #F9F9FD;
        border-radius: 14px;
        border: 1px solid var(--border);
    }
    .hero-title {
        font-size: 32px;
    }
    .hero-lead {
        font-size: 16px;
    }
    .stat-label {
        font-size: 12px;
    }
    .stat-caption {
        font-size: 12px;
        line-height: 1.4;
    }
}

/* roulang page: category1 */
/* ===== Design tokens ===== */
        :root {
            --bg-main: #F7F7FA;
            --bg-card: #FFFFFF;
            --bg-deep: #171433;
            --primary: #5B54DF;
            --primary-deep: #4A44C6;
            --primary-soft: #EFEEFE;
            --accent: #FF6A3D;
            --accent-deep: #EF4E20;
            --accent-soft: #FFF0EA;
            --support: #20B8A6;
            --support-soft: #E4F8F5;
            --text-strong: #1F1B2E;
            --text-body: #494760;
            --muted: #7C7A90;
            --border: #ECEAFA;
            --line-plain: rgba(0, 0, 0, .05);
            --dark-text: #F3F1FF;
            --dark-muted: #BCB6DC;
            --dark-line: rgba(255, 255, 255, .09);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-xs: 0 1px 2px rgba(23, 20, 51, .06);
            --shadow-sm: 0 4px 12px rgba(23, 20, 51, .08);
            --shadow-lg: 0 12px 40px rgba(35, 26, 88, .14);
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", ui-sans-serif, "Segoe UI", sans-serif;
            --ease: cubic-bezier(.2, .6, .2, 1);
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--bg-main);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body.is-locked {
            overflow: hidden;
        }

        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            color: var(--text-strong);
            font-weight: 800;
            line-height: 1.25;
        }

        p {
            margin: 0 0 16px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        img {
            display: block;
            max-width: 100%;
        }

        button {
            border: 0;
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .container-x {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 96px 0;
        }

        section[id] {
            scroll-margin-top: 82px;
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .04em;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .kicker::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-head.center .kicker {
            justify-content: center;
        }

        .section-head.center .kicker::after {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 900;
            letter-spacing: -0.4px;
            color: var(--text-strong);
            line-height: 1.3;
        }

        .section-sub {
            font-size: 16px;
            line-height: 1.8;
            color: var(--muted);
            margin: 14px 0 0;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 34px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            border: 1px solid transparent;
            transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
            text-align: center;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-deep);
            border-color: var(--accent-deep);
            box-shadow: 0 8px 20px rgba(255, 106, 61, .28);
        }

        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, .55);
            color: #fff;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            box-shadow: none;
        }

        .btn-dark {
            background: var(--bg-deep);
            color: #fff;
        }

        .btn-dark:hover {
            background: #252049;
        }

        .btn-sm {
            min-height: 37px;
            padding: 7px 16px;
            font-size: 14px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(250, 250, 253, .88);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(236, 234, 250, .8);
            box-shadow: none;
            transition: box-shadow .25s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 24px rgba(23, 20, 51, .06);
        }

        .header-inner {
            min-height: 72px;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 900;
            color: var(--text-strong);
        }

        .brand-mark {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #5B54DF, #171433);
            color: #fff;
            font-size: 17px;
            font-weight: 900;
            box-shadow: 0 4px 10px rgba(91, 84, 223, .35);
        }

        .nav-desktop {
            display: none;
            gap: 4px;
            align-items: center;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
            min-width: 0;
        }

        .nav-desktop a {
            position: relative;
            padding: 9px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            white-space: nowrap;
        }

        .nav-desktop a:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .nav-desktop a.is-active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-desktop a.is-active::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 1px;
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .header-tools {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: none;
            align-items: center;
            height: 38px;
            width: 190px;
            padding: 0 14px;
            gap: 8px;
            border: 1px solid transparent;
            border-radius: 999px;
            background: #EEEDFB;
            color: var(--muted);
            transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
        }

        .header-search:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(91, 84, 223, .12);
        }

        .header-search input {
            border: 0;
            outline: 0;
            background: transparent;
            font-size: 14px;
            color: var(--text-strong);
            width: 100%;
            min-width: 0;
        }

        .header-search input::placeholder {
            color: var(--muted);
        }

        .mobile-toggle {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            background: transparent;
            border-radius: 10px;
            border: 1px solid var(--border);
            color: var(--text-strong);
        }

        .mobile-toggle:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        @media (min-width: 992px) {
            .nav-desktop {
                display: flex;
            }

            .header-search {
                display: flex;
            }

            .mobile-toggle {
                display: none;
            }
        }

        @media (max-width: 991px) {
            .header-inner {
                gap: 12px;
            }

            .nav-desktop {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-bottom: 1px solid var(--border);
                border-radius: 0 0 16px 16px;
                box-shadow: var(--shadow-lg);
                padding: 12px 16px 18px;
                text-align: left;
                gap: 8px;
                z-index: 998;
            }

            .nav-desktop a {
                display: block;
                border-radius: 12px;
                padding: 13px 14px;
                font-size: 16px;
            }

            .nav-desktop a.is-active::after {
                left: 14px;
                transform: none;
                width: 28px;
                height: 3px;
                bottom: 8px;
            }

            .site-header.is-open .nav-desktop {
                display: flex;
            }
        }

        @media (max-width: 640px) {
            .header-start {
                display: none;
            }

            .header-tools {
                gap: 8px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            position: relative;
            background: #12102A;
            color: var(--dark-muted);
            overflow: hidden;
        }

        .footer-accent {
            height: 4px;
            background: linear-gradient(90deg, var(--accent), rgba(255, 106, 61, .0));
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding-top: 56px;
            padding-bottom: 44px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 900;
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 14px;
            max-width: 340px;
            color: var(--dark-muted);
        }

        .footer-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 16px;
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            transition: border-color .2s ease, background .2s ease, transform .2s ease;
        }

        .footer-btn:hover {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .4);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--dark-muted);
            font-size: 14px;
            font-weight: 400;
            line-height: 2.6;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid var(--dark-line);
        }

        .footer-bottom-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            font-size: 13px;
            padding-top: 24px;
            padding-bottom: 32px;
            color: rgba(188, 182, 220, .74);
        }

        @media (min-width: 768px) {
            .footer-top {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
                gap: 32px;
            }
        }

        /* ===== Category hero ===== */
        .category-hero {
            position: relative;
            background:
                radial-gradient(900px 560px at 82% -20%, rgba(91, 84, 223, .48), transparent 65%),
                radial-gradient(680px 420px at -10% 20%, rgba(255, 106, 61, .2), transparent 55%),
                linear-gradient(120deg, #12102A 0%, #191437 48%, #1B1539 100%),
                url("/assets/images/backpic/back-2.webp") center center / cover no-repeat;
            background-blend-mode: normal, normal, normal, luminosity;
            color: #fff;
            padding: 80px 0 92px;
        }

        .category-hero .crumbs {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--dark-muted);
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .category-hero .crumbs a {
            color: var(--dark-muted);
            border-bottom: 1px solid transparent;
        }

        .category-hero .crumbs a:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, .35);
        }

        .category-hero .crumbs span {
            color: #DFD8FF;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-copy .hero-flag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #E4C6FF;
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .16);
            background: rgba(91, 84, 223, .18);
            margin-bottom: 20px;
        }

        .hero-copy h1 {
            font-size: 42px;
            line-height: 1.16;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.8px;
            margin-bottom: 18px;
        }

        .hero-copy p {
            max-width: 560px;
            font-size: 17px;
            line-height: 1.9;
            color: rgba(243, 241, 255, .88);
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-art {
            position: relative;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .hero-art img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            display: block;
        }

        .hero-art-panel {
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            background: rgba(18, 16, 42, .74);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-md);
            backdrop-filter: blur(8px);
            color: #fff;
        }

        .hero-art-panel i {
            color: var(--accent);
            font-size: 20px;
        }

        .hero-art-panel strong {
            display: block;
            font-size: 15px;
            font-weight: 700;
        }

        .hero-art-panel span {
            font-size: 13px;
            color: var(--dark-muted);
        }

        @media (min-width: 992px) {
            .category-hero {
                padding: 64px 0 78px;
            }

            .hero-grid {
                grid-template-columns: 1.02fr .98fr;
                gap: 48px;
            }

            .hero-copy h1 {
                font-size: 46px;
            }
        }

        /* ===== Intro split ===== */
        .intro-band {
            background: var(--bg-main);
        }

        .split-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px 56px;
            align-items: center;
        }

        .split-features {
            display: grid;
            gap: 22px;
        }

        .split-feature {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-xs);
        }

        .split-feature__icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 18px;
        }

        .split-feature strong {
            display: block;
            font-size: 16px;
            color: var(--text-strong);
            margin-bottom: 5px;
        }

        .split-feature p {
            margin: 0;
            font-size: 14px;
            line-height: 1.8;
            color: var(--muted);
        }

        @media (min-width: 768px) {
            .split-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== Service cards ===== */
        .service-band {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 22px;
        }

        @media (min-width: 768px) {
            .service-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .service-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 26px 26px;
            box-shadow: var(--shadow-xs);
            overflow: hidden;
            transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
        }

        .service-card::after {
            content: "";
            position: absolute;
            right: -24px;
            top: -24px;
            width: 86px;
            height: 86px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(91, 84, 223, .09), transparent 70%);
            pointer-events: none;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .service-card__icon {
            width: 52px;
            height: 52px;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-soft), #FFF);
            border: 1px solid var(--border);
            border-radius: 14px;
            color: var(--primary);
            font-size: 23px;
        }

        .service-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--muted);
            margin-bottom: 18px;
        }

        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
        }

        .service-link i {
            transition: transform .2s ease;
        }

        .service-link:hover {
            color: var(--primary-deep);
        }

        .service-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Alternating list ===== */
        .alt-list-band {
            background: var(--bg-main);
        }

        .alt-item {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px 40px;
            align-items: center;
        }

        .alt-item+.alt-item {
            margin-top: 48px;
            padding-top: 48px;
            border-top: 1px solid var(--border);
        }

        .alt-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #1E1942;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            order: 1;
        }

        .alt-media img {
            width: 100%;
            aspect-ratio: 3 / 2;
            object-fit: cover;
        }

        .alt-content {
            order: 2;
        }

        .alt-content .item-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 5px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .alt-content h3 {
            font-size: 22px;
            margin-bottom: 12px;
        }

        .alt-content p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .alt-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .alt-tags span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            padding: 4px 10px;
            background: var(--bg-main);
            border-radius: 999px;
            border: 1px solid var(--border);
        }

        @media (min-width: 768px) {
            .alt-item {
                grid-template-columns: 1fr 1fr;
            }

            .alt-content h3 {
                font-size: 24px;
            }
        }

        @media (min-width: 1024px) {
            .alt-item.is-reverse .alt-media {
                grid-column: 2;
                grid-row: 1;
            }

            .alt-item.is-reverse .alt-content {
                grid-column: 1;
                grid-row: 1;
            }
        }

        /* ===== Compare band ===== */
        .compare-band {
            background: var(--bg-deep);
            color: var(--dark-text);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .compare-band::before {
            content: "";
            position: absolute;
            top: -130px;
            right: -90px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 106, 61, .2), transparent 68%);
        }

        .compare-band .section-title {
            color: #fff;
        }

        .compare-band .section-sub {
            color: var(--dark-muted);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            max-width: 960px;
        }

        .compare-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .11);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: transform .2s ease, border-color .2s ease;
        }

        .compare-card:hover {
            transform: translateY(-3px);
            border-color: rgba(255, 255, 255, .25);
        }

        .compare-card.bad .compare-title {
            color: #EFB0A0;
        }

        .compare-card.good .compare-title {
            color: #A8E8DE;
        }

        .compare-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }

        .compare-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 14px;
        }

        .compare-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-size: 15px;
            line-height: 1.7;
            color: var(--dark-muted);
        }

        .compare-list li i {
            margin-top: 4px;
            flex-shrink: 0;
            font-size: 15px;
        }

        .compare-card.bad .compare-list li i {
            color: #FF7A50;
        }

        .compare-card.good .compare-list li i {
            color: var(--support);
        }

        @media (min-width: 900px) {
            .compare-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        /* ===== FAQ ===== */
        .faq-band {
            background: var(--bg-main);
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 48px 72px;
            align-items: start;
        }

        @media (min-width: 900px) {
            .faq-wrap {
                grid-template-columns: .85fr 1.15fr;
            }
        }

        .faq-side h2 {
            font-size: 30px;
            font-weight: 900;
            letter-spacing: -0.4px;
        }

        .faq-side p {
            color: var(--muted);
            margin: 14px 0 0;
            line-height: 1.8;
        }

        .faq-group {
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-xs);
            overflow: hidden;
        }

        .faq-item {
            border-bottom: 1px dashed #E4E1F3;
            transition: background .2s ease;
        }

        .faq-item:last-child {
            border-bottom: 0;
        }

        .faq-item summary {
            list-style: none;
            padding: 19px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-strong);
            user-select: none;
            transition: color .2s ease, background .2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--primary);
            background: rgba(236, 234, 250, .35);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            transition: transform .3s var(--ease);
            font-size: 13px;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 22px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
        }

        .faq-answer p {
            margin: 0;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-band {
            position: relative;
            padding: 90px 0 96px;
            background:
                radial-gradient(720px 340px at 100% 10%, rgba(255, 106, 61, .22), transparent 65%),
                radial-gradient(620px 320px at 0% 90%, rgba(91, 84, 223, .28), transparent 60%),
                #171433;
            color: #fff;
        }

        .subscribe-card {
            position: relative;
            max-width: 920px;
            margin: 0 auto;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            overflow: hidden;
        }

        .subscribe-card h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 900;
            letter-spacing: -0.4px;
            margin-bottom: 12px;
        }

        .subscribe-card .section-sub {
            color: var(--dark-muted);
            margin: 0 0 26px;
        }

        .sub-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .field-email {
            flex: 1;
        }

        .field-email input {
            width: 100%;
            height: 48px;
            padding: 0 16px;
            border-radius: 10px;
            border: 1px solid #34304B;
            background: #221D47;
            color: #fff;
            font-size: 15px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .field-email input::placeholder {
            color: rgba(188, 182, 220, .62);
        }

        .field-email input:focus {
            border-color: var(--primary);
            outline: 0;
            box-shadow: 0 0 0 4px rgba(91, 84, 223, .2);
        }

        .sub-agree {
            display: flex;
            gap: 9px;
            align-items: flex-start;
            font-size: 13px;
            color: var(--dark-muted);
            margin-top: 4px;
            line-height: 1.6;
        }

        .sub-agree input {
            margin-top: 3px;
            accent-color: var(--accent);
        }

        .sub-agree a {
            color: #E4DDFF;
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        @media (min-width: 768px) {
            .subscribe-card {
                padding: 44px 46px;
            }

            .sub-form {
                flex-direction: row;
                align-items: center;
            }

            .field-email {
                margin: 0;
            }
        }

        /* ===== Small responsives ===== */
        @media (max-width: 640px) {
            .section {
                padding: 64px 0;
            }

            .category-hero {
                padding: 54px 0 64px;
            }

            .hero-copy h1 {
                font-size: 34px;
            }

            .hero-copy p {
                font-size: 16px;
            }

            .split-feature {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-bottom-inner {
                justify-content: flex-start;
            }

            .section-title {
                font-size: 26px;
            }

            .compare-card {
                padding: 24px 20px;
            }

            .faq-item summary {
                font-size: 15px;
                padding: 17px 16px;
            }

            .faq-answer {
                padding: 0 16px 18px;
            }
        }

        @media (max-width: 360px) {
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .alt-tags span {
                font-size: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-main: #F7F7FA;
            --bg-card: #ffffff;
            --bg-deep: #171433;
            --primary: #5B54DF;
            --primary-hover: #4A44C6;
            --accent: #FF6A3D;
            --accent-hover: #EF4E20;
            --support: #20B8A6;
            --text-strong: #1F1B2E;
            --text-body: #494760;
            --muted: #7C7A90;
            --text-on-dark: #F3F1FF;
            --text-muted-on-dark: #BCB6DC;
            --border-color: #ECEAFA;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", ui-sans-serif, "Segoe UI", sans-serif;
        }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-stack); background: var(--bg-main); color: var(--text-body); font-size: 16px; line-height: 1.7; }
        .container-x { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
        a { color: inherit; text-decoration: none; transition: color .2s ease; }
        img { max-width: 100%; height: auto; display: block; }
        section { scroll-margin-top: 90px; }

        /* Header */
        .site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(250,250,253,.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); transition: box-shadow .25s ease; }
        .site-header.scrolled { box-shadow: 0 6px 24px rgba(23,20,51,.08); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
        .brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; font-size: 20px; letter-spacing: -.3px; color: var(--text-strong); white-space: nowrap; }
        .brand-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(145deg, var(--primary), #7A71E8); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; box-shadow: 0 4px 10px rgba(91,84,223,.25); }
        .nav-desktop { display: flex; align-items: center; gap: 6px; }
        .nav-desktop a { padding: 8px 16px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text-body); position: relative; white-space: nowrap; }
        .nav-desktop a i { margin-right: 4px; font-size: 13px; color: var(--primary); }
        .nav-desktop a:hover { color: var(--primary); background: rgba(91,84,223,.06); }
        .nav-desktop a.is-active { color: var(--text-strong); background: rgba(91,84,223,.08); font-weight: 700; }
        .header-tools { display: flex; align-items: center; gap: 12px; }
        .header-search { display: flex; align-items: center; gap: 8px; background: #F1EFFA; border: 1px solid transparent; border-radius: 999px; padding: 8px 16px; width: 200px; transition: width .25s ease, border-color .2s ease; }
        .header-search i { font-size: 14px; color: var(--primary); }
        .header-search input { border: none; outline: none; background: transparent; width: 100%; font-size: 14px; font-family: inherit; color: var(--text-strong); }
        .header-search input::placeholder { color: var(--muted); }
        .header-search input:focus, .header-search:hover { border-color: rgba(91,84,223,.25); width: 220px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); font-weight: 700; font-family: inherit; transition: all .2s cubic-bezier(.2,.6,.2,1); cursor: pointer; border: 1px solid transparent; }
        .btn-sm { padding: 8px 18px; font-size: 14px; min-height: 36px; }
        .btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 14px; min-height: 48px; }
        .btn-accent { background: var(--accent); color: #fff; box-shadow: 0 8px 22px rgba(255,106,61,.3); }
        .btn-accent:hover { background: var(--accent-hover); transform: translateY(2px); box-shadow: 0 4px 14px rgba(255,106,61,.28); }
        .btn-outline { background: transparent; border: 1px solid rgba(255,255,255,.25); color: #fff; }
        .btn-outline:hover { border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.06); transform: translateY(2px); }
        .mobile-toggle { display: none; background: transparent; border: none; font-size: 22px; color: var(--text-strong); width: 42px; height: 42px; align-items: center; justify-content: center; cursor: pointer; border-radius: 12px; }
        .mobile-toggle i { color: var(--text-strong); }

        /* Mobile drawer nav */
        .mobile-drawer { display: none; }
        .mobile-drawer.open { display: block; position: fixed; top: 72px; left: 0; right: 0; background: rgba(250,250,253,.97); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-color); padding-bottom: 28px; z-index: 99; box-shadow: 0 20px 40px rgba(23,20,51,.14); border-radius: 0 0 28px 28px; }
        .mobile-drawer nav { padding: 12px 24px; display: flex; flex-direction: column; gap: 4px; }
        .mobile-drawer nav a { display: flex; align-items: center; gap: 10px; padding: 14px 16px; font-size: 17px; font-weight: 500; border-radius: 14px; color: var(--text-strong); }
        .mobile-drawer nav a i { width: 24px; color: var(--primary); }
        .mobile-drawer nav a:hover { background: rgba(91,84,223,.09); }
        .mobile-drawer nav a.is-active { background: var(--text-strong); color: #fff; }
        .mobile-drawer nav a.is-active i { color: #fff; }

        /* Hero section */
        .hero { position: relative; background: var(--bg-deep); padding-top: 160px; padding-bottom: 90px; overflow: hidden; isolation: isolate; }
        .hero::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center 20%; opacity: .3; z-index: 0; }
        .hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 75% 20%, rgba(91,84,223,.6), transparent 55%), radial-gradient(circle at 15% 90%, rgba(255,106,61,.25), transparent 40%); z-index: 1; }
        .hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
        .hero-kicker { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 999px; padding: 6px 18px; color: var(--text-muted-on-dark); font-size: 13px; font-weight: 600; letter-spacing: 1px; margin-bottom: 24px; }
        .hero-kicker i { color: #FF6A3D; }
        .hero h1 { font-size: clamp(38px, 4.2vw, 54px); font-weight: 900; line-height: 1.2; color: #fff; letter-spacing: -.5px; margin-bottom: 22px; }
        .hero h1 .text-accent { color: var(--accent); }
        .hero p { font-size: clamp(16px, 1.4vw, 18px); line-height: 1.8; color: var(--text-muted-on-dark); max-width: 540px; margin-bottom: 32px; }
        .hero-stats { display: flex; gap: 28px; margin-top: 36px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.08); }
        .hero-stats .stat { text-align: left; }
        .hero-stats .stat strong { display: block; font-size: 28px; color: #fff; font-weight: 900; }
        .hero-stats .stat span { font-size: 13px; color: var(--text-muted-on-dark); }
        .hero-visual { display: flex; align-items: center; justify-content: center; }
        .hero-visual .visual-card { width: 100%; max-width: 480px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: 28px; padding: 28px; backdrop-filter: blur(10px); }
        .hero-visual .visual-card img { border-radius: 18px; aspect-ratio: 3/2; object-fit: cover; width: 100%; }
        .visual-meta { margin-top: 20px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
        .visual-meta .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--support); display: inline-block; margin-right: 6px; }
        .visual-comment { background: rgba(255,255,255,.07); padding: 10px 14px; border-radius: 12px; font-size: 14px; color: var(--text-muted-on-dark); border: 1px solid rgba(255,255,255,.08); text-align: center; }
        /* jump into page */
        .page-toolbar { background: #fff; border-bottom: 1px solid var(--border-color); position: relative; }
        .toolbar-breadcrumb { padding-top: 16px; padding-bottom: 16px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }

        .section { padding: 96px 0; }
        .section--light { background: var(--bg-main); }
        .section-title-center { text-align: center; margin-bottom: 56px; }
        .section-title-center h2 { font-size: 32px; font-weight: 800; color: var(--text-strong); margin-bottom: 12px; letter-spacing: -.3px; }
        .section-title-center p { max-width: 600px; margin: 0 auto; font-size: 16px; line-height: 1.8; color: var(--text-body); }
        .feature-overline { display: inline-block; color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: 2px; margin-bottom: 10px; text-transform: uppercase; }
        .title-with-overline h2 { font-size: 32px; font-weight: 800; color: var(--text-strong); }
        .title-with-overline .desc { color: var(--text-body); font-size: 16px; line-height: 1.8; max-width: 560px; }

        .section--deep { background: var(--bg-deep); position: relative; color: #fff; overflow: hidden; }
        .section--deep::before { content: ''; position: absolute; right: -10%; top: -20%; width: 420px; height: 420px; background: radial-gradient(circle, rgba(91,84,223,.5), transparent 69%); z-index: 1; }
        .section--deep .container-x { position: relative; z-index: 2; }
        .section--deep h2 { color: #fff; }
        .section--deep .desc { color: var(--text-muted-on-dark); }

        /* Cards layout */
        .grid-card { background: #fff; gap: 24px; } 

        .text-section h2 { color: var(--text-strong); }

        /* Featured services grid */
        .feature-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 28px 30px; display: flex; gap: 18px; align-items: flex-start; transition: all .3s cubic-bezier(.2,.6,.2,1); cursor: default; }
        .feature-card:hover { box-shadow: 0 12px 30px rgba(35,26,88,.1); transform: translateY(-4px); border-color: rgba(91,84,223,.25); }
        .feature-icon-wrap { width: 46px; height: 46px; display: flex; align-items: center; justify-content: center; border-radius: 13px; background: rgba(91,84,223,.1); color: var(--primary); font-size: 20px; flex-shrink: 0; }
        .feature-card-text strong { display: block; font-size: 18px; font-weight: 800; color: var(--text-strong); margin-bottom: 6px; }
        .feature-card-text p { font-size: 14px; color: var(--text-body); line-height: 1.7; margin-bottom: 14px; }
        .feature-hover-arrow { color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
        .feature-hover-arrow i { font-size: 12px; }
        .feature-tags { display: flex; gap: 8px; flex-wrap: wrap; }
        .feature-tags span { background: rgba(91,84,223,.08); color: var(--primary); font-weight: 500; font-size: 13px; padding: 4px 12px; border-radius: 999px; letter-spacing: 1.5px; }

        /* Stats board */
        .stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
        .stat-card { flex: 1 1 200px; max-width: 200px; background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-md); text-align: center; padding: 32px 16px; }
        .stat-card strong { display: block; font-size: 44px; font-weight: 900; color: var(--primary); letter-spacing: -.5px; }
        .stat-card span { font-size: 13px; color: var(--muted);}

        /* Comparison */
        .compare-ring { border-radius: var(--radius-md); }
        .compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: #fff; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-color); }
        .compare-panel { padding: 44px 60px; }
        .compare-panel h3 { font-weight: 800; font-size: 22px; margin-bottom: 32px; position: relative; }
        .compare-panel h3 span { color: var(--primary); }
        .compare-panel ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 28px; }
        .compare-panel li { display: flex; gap: 12px; line-height: 1.5; position: relative; padding-left: 4px; color: var(--text-body); font-size: 15px; }
        .compare-li-icon { width: 20px; height: 20px; margin-top: 3px; flex-shrink: 0; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; background: rgba(32,184,166,.15); color: var(--support); }
        .compare-panel ul li:not(.is-ok) { color: var(--muted); }
        .compare-panel ul li:not(.is-ok) .compare-li-icon { background: rgba(255,106,61,.15); color: var(--accent); }
        @media (max-width: 1024px){ .compare-grid { grid-template-columns: 1fr; } .compare-panel { padding: 40px; } }

        /* Guide cards, service blocks */
        .divider-line { border-top: 1px dashed var(--border-color); margin: 44px 0; }

        /* CTA */
        .cta-inner { display: flex; justify-content: space-between; align-items: center; background: var(--accent); border-radius: 24px; padding: 40px 60px; background-image: radial-gradient(circle at 85% 30%, rgba(255,255,255,.2), transparent 55%); overflow: hidden; position: relative; }
        .cta-inner::after { content: ''; position: absolute; bottom: 0; right: 0; }
        .cta-inner h2 { color: #fff; font-weight: 900; font-size: 40px; letter-spacing: -.5px; }
        .cta-inner p { color: rgba(255,255,255,.8); font-size: 16px; line-height: 1.7; }
        .cta-inner .btn { font-size: 18px; padding: 18px 40px; border-radius: 15px; font-weight: 700; background: #fff; color: var(--accent); min-height: 56px; }
        .cta-inner .btn:hover { background: #F7F7F7; transform: translateY(-2px) scale(1.02); }

        /* Recommended news cards */
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .news-card-item { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; cursor: pointer; transition: all .25s cubic-bezier(.2,.6,.2,1); }
        .news-card-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg, 0 12px 30px rgba(35,26,88,.14)); }
        .news-card-item:hover img { transform: scale(1.06); }
        .news-card-item img { aspect-ratio: 16/9; object-fit: cover; transition: transform .25s ease; }
        .info-block { padding: 24px; }
        .news-gamma { color: var(--muted); display: flex; font-size: 13px; gap: 16px; }
        .news-card-item .info-block h4 { font-size: 18px; font-weight: 800; color: var(--text-strong); line-height: 1.3; margin-bottom: 12px; }
        .news-card-item .info-block p { font-size: 14px; color: var(--text-body); line-height: 1.7; }
        .news-card-item .tag { background: rgba(91,84,223,.1); color: var(--primary); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;}

        .news-side-badge { background: #fff; border-bottom: 1px solid var(--border-color); padding: 14px 0; }
        .news-side-badge span { margin: 0 10px; color: var(--muted); }
        .news-side-badge b { color: var(--primary); }

        /* Faq section */
        .faq-accordion { max-width: 720px; width: 100%; border-top: 1px solid var(--border-color); border-left: 1px solid var(--border-color); border-right: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; margin: 30px auto 0; background: #fff; }
        .faq-item { transition: ease; border-bottom: 1px solid var(--border-color); }
        .faq-item[open] { background-color: rgba(246, 246, 253, .8); }
        .faq-item[open] .faq-summary h3 { color: var(--primary); }
        .faq-summary { cursor: pointer; display: flex; gap: 8px; list-style: none; padding: 26px 28px; align-items: center; justify-content: space-between; transition: background-color .2s ease; }
        .faq-summary h3 { font-size: 17px; font-weight: 700; color: var(--text-strong); letter-spacing: -.1px; }
        .faq-icon { display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: rgba(91,84,223,.09); color: var(--primary); font-size: 14px; line-height: 1; flex-shrink: 0; }
        .faq-item[open] .faq-summary h3 { color: var(--primary); }
        .faq-item[open] .faq-summary .faq-icon { background: var(--primary); color: #fff; }
        .faq-answer { background: transparent; padding: 0 28px 28px; line-height: 1.8; color: var(--text-body); font-size: 15px; }

        /* Deep CTA form */
        .newsletter-form { display: flex; justify-content: center; align-items: flex-end; gap: 14px; flex-wrap: wrap; margin-top: 46px; }
        .newsletter-form input { min-width: 280px; padding: 14px 24px; border-radius: 12px; border: 1px solid rgba(255,255,255,.2); font-size: 15px; color: #fff; background: rgba(255,255,255,.1); outline: none; }
        .newsletter-form input:focus { border-color: rgba(255,255,255,.5); box-shadow: 0 0 0 4px rgba(255,255,255,.1); }
        .newsletter-form input::placeholder { color: var(--text-muted-on-dark); }
        .newsletter-form button { background: #fff; color: var(--primary); padding: 16px 34px; border: none; border-radius: 12px; font-size: 16px; font-weight: 700; cursor: pointer; transition: all .2s ease; }
        .newsletter-form button:hover { transform: translateY(-2px); box-shadow: 0 12px 22px rgba(91,84,223,.4); background: #f9f9ff; }

        .subscribe-remark { color: var(--text-muted-on-dark); font-size: 13px; margin-top: 18px; display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
        .subscribe-remark a { color: var(--support); }

        /* About/ info strip */
        .info-strip { display: flex; flex-direction: column; justify-content: space-between; height: 100%; border-radius: var(--radius-md); padding: 32px 28px; border: 1px solid var(--border-color); background: #fff; transition: all .25s ease; }
        .info-strip:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(35,26,88,.06); }

        .hr-light { border-top: 1px solid rgba(255,255,255,.15); }

        /* Footer */
        .site-footer { background: #110e26; color: var(--text-muted-on-dark); margin-top: 0; padding: 0 0 0; }
        .footer-accent { background: linear-gradient(90deg, #FF6A3D, transparent); height: 2px; }   
        .footer-top { padding: 96px 24px 52px; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand p { color: var(--text-muted-on-dark); font-size: 15px; line-height: 1.7; margin: 16px 0 24px; }
        .footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: #fff; font-size: 20px; }
        .footer-logo .brand-mark { background: linear-gradient(145deg, var(--primary), var(--accent)); }
        .footer-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px; border-radius: 999px; background: rgba(255,255,255,.08); color: var(--text-on-dark); font-size: 14px; cursor: pointer; transition: .2s ease; }
        .footer-btn:hover { background: rgba(255,106,61,.2); color: #fff; }
        .footer-col h4 { color: #fff; margin-bottom: 18px; font-size: 16px; font-weight: 700; }
        .footer-col a { color: var(--text-muted-on-dark); display: block; margin: 8px 0; font-size: 14px; line-height: 1.6;}
        .footer-col a:hover { color: var(--support); transform: translateX(3px); transition: all .2s ease; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding: 26px 0; }
        .footer-bottom-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px;}
        .footer-bottom-inner span { color: rgba(188, 182, 220, .5); }

        .back-to-top { position: fixed; bottom: 30px; right: 30px; z-index: 40; width: 44px; height: 44px; border-radius: 50%; background: var(--text-strong); font-size: 17px; display: flex; align-items: center; justify-content: center; color: #fff; cursor: pointer; box-shadow: var(--shadow-lg); transition: 0.2s ease; opacity: .6; }
        .back-to-top:hover { opacity: 1; background: var(--accent); }

        @media (max-width: 1024px) {
            .nav-desktop { display: none; }
            .header-search { display: none; }
            .mobile-toggle { display: flex; }
            .hero-inner { grid-template-columns: 1fr; }
            .section { padding: 72px 0; }
            .hero-stats { flex-wrap: wrap; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
            .cta-inner { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 767px) {
            .header-inner { height: 64px; }
            .section { padding: 60px 0; }
            .container-x { padding-left: 20px; padding-right: 20px; }
            .brand span:not(.brand-mark){ font-size: 17px; }
            .hero { padding-top: 130px; padding-bottom: 60px; }
            .hero-stats { gap: 12px; }
            .hero-stats .stat { flex: 1 1 40%; }
            .hero h1 { font-size: 38px; }
            .hero-visual .visual-card { padding: 16px; }
            .section-title-center h2, .title-with-overline h2 { font-size: 26px; }
            .contact-strip { flex-direction: column; }
        }
        /* cover img fallback */
        .backdrop-fallback { background: var(--bg-card); }
        .im-fallback { position: relative; overflow: hidden; background: linear-gradient(140deg, #5B54DF, #FF6A3D); }
        .glass-card-bottom { margin-top: 22px; padding: 12px 0 4px; }

/* roulang page: article */
:root {
  --bg-main: #F7F7FA;
  --bg-card: #FFFFFF;
  --bg-deep: #171433;
  --primary: #5B54DF;
  --primary-deep: #4A44C6;
  --accent: #FF6A3D;
  --accent-deep: #EF4E20;
  --support: #20B8A6;
  --text-strong: #1F1B2E;
  --text-body: #494760;
  --muted: #7C7A90;
  --on-deep: #F3F1FF;
  --on-deep-2: #BCB6DC;
  --border: #ECEAFA;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-xs: 0 1px 2px rgba(23, 20, 51, .06);
  --shadow-sm: 0 4px 12px rgba(23, 20, 51, .08);
  --shadow-lg: 0 12px 40px rgba(35, 26, 88, .14);
  --font: PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, ui-sans-serif, Segoe UI, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-main);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; vertical-align: middle; }
a { color: inherit; text-decoration: none; }
ul, ol, p, h1, h2, h3, h4, figure { margin: 0; padding: 0; }
button, input, select, textarea { font: inherit; }
[hidden] { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.container-x {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.container-narrow { max-width: 780px; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}
.section { padding: 96px 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-weight: 700;
  line-height: 1;
  transition: transform .2s cubic-bezier(.2, .6, .2, 1), background .2s, color .2s, box-shadow .2s;
  text-align: center;
  min-height: 44px;
  padding: 0 24px;
  font-size: 15px;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 106, 61, .25);
}
.btn-accent:hover { background: var(--accent-deep); transform: translateY(2px); box-shadow: 0 4px 12px rgba(255, 106, 61, .28); }
.btn-accent:active { transform: translateY(3px); }
.btn-sm { height: 40px; padding: 0 18px; }
.btn-ghost {
  background: transparent;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .35);
  color: var(--on-deep);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .08); }
.btn-arrow i { margin-left: 8px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 72px;
  background: rgba(250, 250, 253, .88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 900;
  color: var(--text-strong);
  white-space: nowrap;
  letter-spacing: -.2px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #3FD0C9);
  color: #fff;
  font-size: 17px;
  font-weight: 900;
  box-shadow: var(--shadow-xs);
}
.nav-desktop { display: flex; align-items: center; gap: 26px; flex-wrap: nowrap; }
.nav-desktop a {
  position: relative;
  color: var(--text-body);
  font-size: 15px;
  font-weight: 600;
  padding: 8px 0;
  white-space: nowrap;
  transition: color .2s;
}
.nav-desktop a:hover { color: var(--text-strong); }
.nav-desktop a.is-active { color: var(--text-strong); }
.nav-desktop a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 99px;
  background: var(--accent);
}
.header-tools { display: flex; align-items: center; gap: 12px; }
.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #F1F1F7;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 14px;
  height: 40px;
  width: 200px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(91, 84, 223, .12);
  background: #fff;
}
.header-search i { color: var(--muted); font-size: 14px; }
.header-search input {
  border: 0;
  background: transparent;
  outline: none;
  width: 100%;
  font-size: 14px;
  color: var(--text-strong);
}
.header-search input::placeholder { color: var(--muted); }
.header-start { white-space: nowrap; }
.mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: #F1F1F7;
  color: var(--text-strong);
  border: 0;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.mobile-toggle:hover { background: #E7E5F5; }
.mobile-nav-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 20px 20px;
  box-shadow: var(--shadow-lg);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: .25s cubic-bezier(.2, .6, .2, 1);
}
.mobile-nav-panel.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-nav-panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-body);
  border-bottom: 1px dashed #EFEDFB;
}
.mobile-nav-panel a:last-child { border-bottom: 0; }
.mobile-nav-panel a.is-active { color: var(--primary); background: #F3F0FF; }

/* Article hero */
.article-hero {
  position: relative;
  color: #fff;
  background:
    linear-gradient(115deg, rgba(23, 20, 51, .97), rgba(53, 42, 111, .82)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat, var(--bg-deep);
  padding: 88px 0 72px;
  overflow: hidden;
}
.article-hero-inner { position: relative; z-index: 2; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.62); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,.82); transition: color .2s; }
.breadcrumb a:hover { color: #fff; }
.crumb-sep { opacity: .5; }
.crumb-cat { color: var(--on-deep); }
.article-title-row { display: flex; align-items: flex-start; gap: 14px; flex-wrap: wrap; }
.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}
.tag-accent {
  background: var(--accent);
  color: #fff;
  position: relative;
  top: 8px;
}
.article-title {
  flex: 1;
  min-width: 280px;
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.5px;
  color: #fff;
  margin: 0;
}
.article-meta-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  font-size: 14px;
  color: var(--on-deep-2);
}
.article-meta-list i { color: var(--accent); margin-right: 6px; }
.meta-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.4); }

/* Article body */
.article-read { padding: 56px 0 8px; }
.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 6vw, 64px);
  box-shadow: var(--shadow-sm);
}
.article-content { font-size: 16.5px; line-height: 1.85; color: var(--text-body); }
.article-content > * + * { margin-top: 0; }
.article-content p { margin-bottom: 24px; }
.article-content h1, .article-content h2, .article-content h3, .article-content h4 {
  color: var(--text-strong);
  font-weight: 800;
  line-height: 1.35;
  margin-top: 40px;
  margin-bottom: 16px;
}
.article-content h1 { font-size: 28px; }
.article-content h2 { font-size: 26px; }
.article-content h3 { font-size: 20px; }
.article-content h4 { font-size: 17px; }
.article-content a { color: var(--primary); font-weight: 650; border-bottom: 1px solid rgba(91,84,223,.3); transition: border-color .2s, color .2s; }
.article-content a:hover { color: var(--primary-deep); border-bottom-color: currentColor; }
.article-content ul, .article-content ol { margin: 0 0 24px 0; padding-left: 24px; }
.article-content li { margin-bottom: 8px; padding-left: 4px; }
.article-content li::marker { color: var(--accent); }
.article-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--accent);
  background: #F6F5FF;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-strong);
  font-weight: 500;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content img { border-radius: var(--radius-md); margin: 24px 0; box-shadow: var(--shadow-sm); }
.article-content pre {
  background: var(--bg-deep);
  color: var(--on-deep);
  border-radius: var(--radius-md);
  padding: 22px;
  overflow: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 28px 0;
  box-shadow: var(--shadow-sm);
}
.article-content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(91,84,223,.08);
  color: var(--primary-deep);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: .92em;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; border-radius: 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 28px 0; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.article-content th { background: #F4F3FB; color: var(--text-strong); font-weight: 700; }
.article-content hr { border: 0; height: 1px; background: var(--border); margin: 36px 0; }

/* Article utility */
.article-util-section { padding: 26px 0 0; }
.article-util-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-xs);
  flex-wrap: wrap;
}
.article-util-strip a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  color: var(--text-body);
  transition: color .2s;
}
.article-util-strip a i { color: var(--primary); }
.article-util-strip a:hover { color: var(--primary); }

/* Not found */
.article-notfound-wrap { min-height: 62vh; display: flex; align-items: center; justify-content: center; padding: 96px 24px; }
.notfound-inner { max-width: 640px; margin: 0 auto; text-align: center; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(30px, 7vw, 64px); box-shadow: var(--shadow-sm); }
.notfound-icon {
  width: 88px; height: 88px;
  margin: 0 auto 22px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #F3F0FF, #FFEBDD);
  border-radius: 26px;
  font-size: 38px;
  color: var(--accent);
}
.notfound-inner h1 { font-size: 40px; font-weight: 900; color: var(--text-strong); margin-bottom: 16px; }
.notfound-inner p { color: var(--muted); margin-bottom: 26px; line-height: 1.8; }

/* Section headings */
.section-head { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.section-head h2 { font-size: clamp(24px, 4vw, 34px); font-weight: 900; color: var(--text-strong); letter-spacing: -.4px; line-height: 1.3; }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 16px; }

/* Related cards */
.article-extras { padding: 72px 0 20px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.related-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: transform .25s cubic-bezier(.2,.6,.2,1), box-shadow .25s, border-color .25s;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(91,84,223,.35); }
.related-img {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: linear-gradient(135deg, #2D2458, #171433);
}
.related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.related-card:hover .related-img img { transform: scale(1.06); }
.related-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,20,51,0) 50%, rgba(23,20,51,.32)); pointer-events: none; }
.related-img.img-missing::before {
  content: "爱游戏";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 900;
  color: rgba(255,255,255,.35);
  letter-spacing: 4px;
}
.related-tag {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 2;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
}
.related-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; gap: 10px; }
.related-body h3 { font-size: 20px; color: var(--text-strong); font-weight: 800; }
.related-body p { color: var(--muted); font-size: 14.5px; line-height: 1.7; flex: 1; }
.text-link {
  color: var(--primary);
  font-weight: 800;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .2s, gap .2s;
}
.text-link i { font-size: 12px; }
.related-card:hover .text-link { color: var(--primary-deep); }
.related-card:hover .text-link i { transform: translateX(3px); }

/* FAQ */
.faq-section { padding: 64px 0; }
.faq-wrap { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item[open] { border-color: rgba(91,84,223,.4); box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  font-weight: 800;
  font-size: 16px;
  color: var(--text-strong);
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #F3F0FF;
  color: var(--primary);
  font-size: 13px;
  transition: transform .2s, background .2s, color .2s;
}
.faq-item[open] summary::after { content: "\f068"; background: var(--primary); color: #fff; }
.faq-item p { background: #FAF9FE; border-top: 1px dashed var(--border); padding: 16px 22px 20px; color: var(--text-body); font-size: 14.5px; line-height: 1.8; }

/* CTA dark */
.cta-dark-section {
  position: relative;
  background: radial-gradient(1000px 420px at 85% 20%, rgba(91,84,223,.4), transparent 60%), var(--bg-deep);
  color: #fff;
  padding: 80px 0;
  overflow: hidden;
}
.cta-dark-section::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -120px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(255,106,61,.22), transparent 70%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; }
.cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.16);
  color: var(--on-deep);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}
.cta-eyebrow i { color: var(--accent); }
.cta-copy h2 { font-size: clamp(24px, 4vw, 36px); font-weight: 900; color: #fff; margin: 18px 0 12px; line-height: 1.3; letter-spacing: -.3px; }
.cta-copy p { color: var(--on-deep-2); max-width: 560px; margin: 0 0 30px; }
.cta-box { display: flex; align-items: stretch; gap: 10px; flex-wrap: wrap; max-width: 860px; }
.cta-box input {
  flex: 1 1 260px;
  height: 48px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.26);
  background: rgba(255,255,255,.12);
  color: #fff;
  padding: 0 16px;
  outline: 0;
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.cta-box input:focus {
  border-color: #fff;
  box-shadow: 0 0 0 4px rgba(255,255,255,.14);
  background: rgba(255,255,255,.2);
}
.cta-box input::placeholder { color: rgba(255,255,255,.5); }
.cta-agree {
  margin-top: 18px;
  color: var(--on-deep-2);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cta-agree input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }
.form-success { color: #fff; background: rgba(32,184,166,.2); border: 1px solid rgba(32,184,166,.5); border-radius: var(--radius-sm); padding: 10px 16px; margin-top: 16px; display: inline-block; font-size: 14px; }

/* Footer */
.site-footer { background: #13102D; color: #9891BC; margin-top: 0; }
.footer-accent { height: 3px; background: linear-gradient(90deg, var(--accent), transparent 78%); }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 44px;
  padding: 64px 0 50px;
}
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 900; color: #fff; margin-bottom: 16px; }
.footer-brand p { color: #8F88B5; line-height: 1.8; font-size: 14.5px; max-width: 360px; margin-bottom: 22px; }
.footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.14);
  transition: background .2s, transform .2s;
}
.footer-btn:hover { background: rgba(255,255,255,.15); transform: translateY(-2px); }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 800; margin-bottom: 18px; letter-spacing: 1px; }
.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #8F88B5;
  padding: 6px 0;
  font-size: 14px;
  transition: color .2s, transform .2s;
}
.footer-col a::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: .55; }
.footer-col a:hover { color: #fff; transform: translateX(3px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; }
.footer-bottom-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; color: #7C75A2; font-size: 13px; }
.footer-bottom-inner span { line-height: 1.5; }

/* Media queries */
@media (max-width: 1199px) {
  .header-search { width: 168px; }
  .nav-desktop { gap: 22px; }
}
@media (max-width: 1023px) {
  .nav-desktop { display: none; }
  .mobile-toggle { display: inline-flex; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .container-x { padding-left: 16px; padding-right: 16px; }
  .section { padding: 60px 0; }
  .header-inner { min-height: 64px; }
  .site-header { min-height: 64px; }
  .article-hero { padding: 64px 0 52px; }
  .article-title { min-width: 0; }
  .article-title-row { display: block; }
  .tag { top: 0; margin-bottom: 14px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; padding: 50px 0 36px; }
  .footer-bottom-inner { justify-content: flex-start; flex-direction: column; align-items: flex-start; }
  .article-util-strip { align-items: flex-start; flex-direction: column; }
  .cta-box input { width: 100%; flex: 0 0 auto; }
  .article-card { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .header-start { display: none; }
  .header-tools { gap: 8px; }
  .brand { font-size: 17px; }
  .brand-mark { width: 31px; height: 31px; font-size: 15px; }
  .article-meta-list { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
  .meta-dot { display: none; }
  .faq-item summary { flex-wrap: wrap; }
}

/* roulang page: category3 */
:root {
            --bg-main: #F7F7FA;
            --bg-card: #FFFFFF;
            --bg-deep: #171433;
            --primary: #5B54DF;
            --primary-dark: #4A44C6;
            --accent: #FF6A3D;
            --accent-dark: #EF4E20;
            --support: #20B8A6;
            --text-strong: #1F1B2E;
            --text-body: #494760;
            --text-muted: #7C7A90;
            --line: #ECEAFA;
            --line-dark: rgba(255, 255, 255, .09);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-xs: 0 1px 2px rgba(23, 20, 51, .06);
            --shadow-sm: 0 4px 12px rgba(23, 20, 51, .08);
            --shadow-lg: 0 12px 40px rgba(35, 26, 88, .14);
            --container: 1200px;
            --deep-glow: radial-gradient(circle at 84% 14%, rgba(91, 84, 223, .28), transparent 34%), radial-gradient(circle at 8% 90%, rgba(32, 184, 166, .12), transparent 30%), #171433;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", ui-sans-serif, "Segoe UI", sans-serif;
            background: var(--bg-main);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            font-weight: 450;
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
        }

        img {
            display: block;
            max-width: 100%;
        }

        a {
            color: var(--text-body);
            text-decoration: none;
            transition: color .2s cubic-bezier(.2, .6, .2, 1), background .2s ease, border-color .2s ease;
        }

        button,
        input {
            font: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            color: var(--text-strong);
            line-height: 1.25;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 8px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .container-x {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: 96px;
            padding-bottom: 96px;
        }

        .section-head {
            max-width: 800px;
            margin-bottom: 56px;
        }

        .section-head.is-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-title {
            font-size: clamp(28px, 3.4vw, 36px);
            font-weight: 800;
            letter-spacing: -.6px;
            margin: 12px 0 16px;
        }

        .section-head p.section-desc {
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.85;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: .4px;
        }

        .eyebrow::before {
            content: "";
            width: 28px;
            height: 3px;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary), var(--support));
        }

        .section-deep .eyebrow {
            color: #C9C3FF;
        }

        .section-deep .eyebrow::before {
            background: var(--accent);
        }

        .section-deep {
            background: var(--deep-glow);
            color: #E7E3FA;
        }

        .section-deep .section-title {
            color: #fff;
        }

        .section-deep .section-desc {
            color: #C2BCD9;
        }

        .section-light {
            background: var(--bg-main);
        }

        .section-white {
            background: #fff;
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 11px;
            background: linear-gradient(135deg, #5B54DF 0%, #8A5CF5 56%, #FF6A3D 140%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 17px;
            box-shadow: 0 6px 18px rgba(91, 84, 223, .22);
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 80;
            height: 72px;
            background: rgba(250, 250, 253, .88);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            transition: box-shadow .2s ease;
        }

        .site-header.is-scrolled {
            box-shadow: 0 10px 30px rgba(23, 20, 51, .08);
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 900;
            color: var(--text-strong);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand span:last-child {
            letter-spacing: -.2px;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0 auto;
        }

        .nav-desktop a {
            position: relative;
            display: block;
            padding: 23px 13px 18px;
            color: #5C5975;
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
        }

        .nav-desktop a:hover {
            color: var(--primary);
        }

        .nav-desktop a::after {
            content: "";
            position: absolute;
            bottom: 12px;
            left: 50%;
            width: 16px;
            height: 3px;
            border-radius: 999px;
            background: var(--accent);
            opacity: 0;
            transform: translate(-50%, 4px);
            transition: opacity .2s, transform .2s;
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.is-active::after {
            opacity: 1;
            transform: translate(-50%, 0);
        }

        .nav-desktop a.is-active {
            color: var(--text-strong);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 0 14px;
            height: 40px;
            width: 206px;
            box-shadow: var(--shadow-xs);
            transition: border-color .2s, box-shadow .2s;
        }

        .header-search:hover,
        .header-search:focus-within {
            border-color: rgba(91, 84, 223, .5);
            box-shadow: 0 0 0 4px rgba(91, 84, 223, .12);
        }

        .header-search i {
            color: #9C99B2;
            font-size: 14px;
        }

        .header-search input {
            width: 100%;
            border: 0;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text-strong);
        }

        .header-search input::placeholder {
            color: #A4A1B5;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background .2s cubic-bezier(.2, .6, .2, 1), color .2s, border-color .2s, box-shadow .2s, transform .2s;
        }

        .btn:disabled {
            opacity: .5;
            cursor: not-allowed;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 106, 61, .25);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(2px);
            box-shadow: 0 4px 14px rgba(239, 78, 32, .22);
            color: #fff;
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 26px;
            font-size: 16px;
        }

        .btn-ghost {
            border-color: rgba(255, 255, 255, .38);
            color: #F3F1FF;
            background: rgba(255, 255, 255, .06);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .14);
            border-color: rgba(255, 255, 255, .6);
            color: #fff;
        }

        .btn-outline {
            border-color: var(--line);
            color: var(--text-body);
            background: #fff;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #F6F5FF;
        }

        .header-start {
            height: 40px;
            padding: 0 16px;
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 0;
            border-radius: 10px;
            background: #fff;
            color: var(--text-strong);
            box-shadow: var(--shadow-xs);
            cursor: pointer;
            border: 1px solid var(--line);
        }

        .mobile-menu {
            position: fixed;
            top: 82px;
            left: 16px;
            right: 16px;
            z-index: 85;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 16px;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            pointer-events: none;
            transform: translateY(-12px);
            transition: opacity .25s ease, transform .25s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .nav-mobile {
            display: grid;
            gap: 2px;
            padding-bottom: 14px;
            margin-bottom: 14px;
            border-bottom: 1px dashed var(--line);
        }

        .nav-mobile a {
            display: flex;
            align-items: center;
            min-height: 46px;
            padding: 0 12px;
            border-radius: 10px;
            color: var(--text-body);
            font-weight: 600;
        }

        .nav-mobile a:hover,
        .nav-mobile a.is-active {
            background: #F5F3FF;
            color: var(--primary);
        }

        .mobile-cta-row {
            display: flex;
            gap: 10px;
        }

        .hamburger-block {
            width: 100%;
        }

        .site-main {
            padding-top: 72px;
        }

        .hero-cat {
            position: relative;
            padding: 132px 0 96px;
            color: #F3F1FF;
            overflow: hidden;
        }

        .hero-cat::before {
            content: "";
            position: absolute;
            inset: 0;
            z-index: 0;
            background:
                radial-gradient(circle at 74% 22%, rgba(255, 106, 61, .18), transparent 26%),
                radial-gradient(circle at 10% 80%, rgba(91, 84, 223, .35), transparent 30%),
                url("/assets/images/backpic/back-3.png") center / cover no-repeat;
        }

        .hero-cat::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(90deg, rgba(23, 20, 51, .92) 0%, rgba(27, 22, 59, .82) 46%, rgba(25, 22, 52, .72) 100%);
        }

        .hero-cat-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
            align-items: center;
            gap: 52px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #BEB8E8;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-kicker i {
            color: var(--accent);
        }

        .hero-cat-title {
            color: #fff;
            font-size: clamp(34px, 5vw, 48px);
            font-weight: 900;
            letter-spacing: -.8px;
            line-height: 1.16;
            margin-bottom: 22px;
        }

        .hero-cat-title em {
            font-style: normal;
            color: var(--accent);
        }

        .hero-cat-sub {
            max-width: 600px;
            font-size: 16px;
            line-height: 1.85;
            color: #D3CEEC;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-cat-panel {
            border-radius: var(--radius-lg);
            padding: 24px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .13);
            box-shadow: 0 20px 60px rgba(0, 0, 0, .16);
        }

        .panel-tag {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            margin-bottom: 12px;
            color: #D9D4F2;
        }

        .panel-highlight {
            color: var(--accent);
            font-weight: 900;
            font-size: 28px;
        }

        .panel-list {
            display: grid;
            gap: 10px;
        }

        .panel-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .05);
            padding: 12px 14px;
            font-size: 14px;
            color: #ECE9FC;
        }

        .panel-list li i {
            width: 30px;
            height: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(91, 84, 223, .25);
            color: #CFC9FF;
            font-size: 13px;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
            gap: 52px;
            align-items: center;
        }

        .intro-copy-list {
            display: grid;
            gap: 22px;
            margin-top: 28px;
        }

        .intro-copy-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 18px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--line);
            transition: transform .2s, box-shadow .2s;
        }

        .intro-copy-list li:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .intro-copy-list i {
            width: 38px;
            height: 38px;
            flex: 0 0 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 11px;
            background: #EEECFF;
            color: var(--primary);
            font-size: 16px;
        }

        .intro-copy-list strong {
            display: block;
            color: var(--text-strong);
            font-size: 16px;
            margin-bottom: 4px;
        }

        .intro-copy-list span {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .stats-board {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .stat-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: box-shadow .25s, transform .25s;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }

        .stat-card::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            left: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: .7;
        }

        .stat-value {
            font-size: clamp(34px, 4vw, 42px);
            font-weight: 900;
            color: var(--text-strong);
            letter-spacing: -1px;
            line-height: 1;
        }

        .stat-note {
            display: block;
            margin-top: 8px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 26px;
            align-items: stretch;
        }

        .compare-card {
            border-radius: var(--radius-lg);
            padding: 32px;
            background: rgba(255, 255, 255, .055);
            border: 1px solid rgba(255, 255, 255, .1);
        }

        .compare-card.is-winner {
            background: linear-gradient(150deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .04));
            border-color: rgba(32, 184, 166, .38);
        }

        .compare-card h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-card h3 i {
            color: var(--support);
        }

        .compare-card.is-pain h3 i {
            color: #FF8E75;
        }

        .compare-list {
            display: grid;
            gap: 16px;
        }

        .compare-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: #D6D1EA;
            line-height: 1.75;
        }

        .compare-list .compare-ic {
            width: 22px;
            height: 22px;
            flex: 0 0 22px;
            border-radius: 7px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            margin-top: 5px;
        }

        .compare-pain .compare-ic {
            background: rgba(255, 106, 61, .2);
            color: #FF9E89;
        }

        .compare-win .compare-ic {
            background: rgba(32, 184, 166, .2);
            color: var(--support);
        }

        .feature-stack {
            display: grid;
            gap: 42px;
            margin-top: 24px;
        }

        .feature-row {
            display: grid;
            grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: box-shadow .25s, transform .25s, border-color .25s;
            align-items: stretch;
        }

        .feature-row:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(91, 84, 223, .3);
            transform: translateY(-4px);
        }

        .feature-row.flip .feature-media {
            order: 2;
        }

        .feature-media {
            min-height: 240px;
            background: #F0F0F6;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }

        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .feature-row:hover .feature-media img {
            transform: scale(1.02);
        }

        .feature-media::after {
            content: "";
            position: absolute;
            inset: auto 0 0 0;
            height: 40%;
            background: linear-gradient(180deg, transparent, rgba(23, 20, 51, .08));
            pointer-events: none;
        }

        .feature-body {
            padding: 34px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-step {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .feature-step::after {
            content: "";
            height: 1px;
            width: 30px;
            background: var(--line);
        }

        .feature-body h3 {
            font-size: 23px;
            margin-bottom: 10px;
        }

        .feature-body p {
            color: var(--text-muted);
            line-height: 1.85;
            font-size: 15px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .tag-item {
            padding: 5px 12px;
            background: #F5F3FF;
            border: 1px solid #EDEAFE;
            color: #625BD6;
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
        }

        .tag-item.accent-tag {
            background: #FFF3EE;
            border-color: #FFE0D4;
            color: #D45323;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 22px;
        }

        .process-card {
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--line);
            padding: 34px 28px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: box-shadow .2s, transform .2s;
        }

        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }

        .process-card .process-num {
            font-size: 56px;
            font-weight: 900;
            line-height: 1;
            letter-spacing: -3px;
            background: linear-gradient(135deg, var(--primary), #9C85FF);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
        }

        .process-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .process-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-wrap {
            display: grid;
            gap: 12px;
            max-width: 880px;
        }

        details.faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            transition: box-shadow .2s, border-color .2s;
        }

        details.faq-item:hover,
        details.faq-item[open] {
            border-color: rgba(91, 84, 223, .42);
            box-shadow: var(--shadow-xs);
        }

        details.faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            list-style: none;
            font-weight: 800;
            color: var(--text-strong);
            font-size: 16px;
            min-height: 60px;
        }

        details.faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-q-icon {
            width: 30px;
            height: 30px;
            flex: 0 0 30px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary);
            transition: transform .25s, background .25s, color .25s, border-color .25s;
        }

        details.faq-item[open] .faq-q-icon {
            transform: rotate(45deg);
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .faq-a {
            padding: 2px 20px 20px;
            border-top: 0 dashed transparent;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.85;
        }

        .cta-band {
            background: var(--deep-glow);
            position: relative;
            color: #E7E3FA;
        }

        .cta-band .section-title {
            color: #fff;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 52px;
            align-items: center;
        }

        .cta-copy p {
            color: #C2BCD9;
            max-width: 520px;
            margin-top: 6px;
        }

        .subscribe-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            color: var(--text-body);
        }

        .subscribe-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .subscribe-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .subscribe-form .field {
            flex: 1 1 220px;
            display: flex;
            align-items: center;
            gap: 10px;
            min-height: 50px;
            padding: 0 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            background: #FBFAFE;
            transition: border-color .2s, box-shadow .2s, background .2s;
        }

        .subscribe-form .field:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(91, 84, 223, .1);
        }

        .subscribe-form .field i {
            color: #9C99B2;
            font-size: 14px;
        }

        .subscribe-form input[type="email"] {
            width: 100%;
            border: 0;
            outline: 0;
            color: var(--text-strong);
            background: transparent;
            font-size: 15px;
        }

        .subscribe-form input::placeholder {
            color: #A4A1B5;
        }

        .subscribe-form .btn {
            min-height: 50px;
            padding: 0 24px;
        }

        .form-note {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-top: 14px;
            color: var(--text-muted);
            font-size: 13px;
        }

        .form-note a {
            color: var(--primary);
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .form-note a:hover {
            color: var(--primary-dark);
        }

        .site-footer {
            background: #171433;
            color: #C2BCD9;
            position: relative;
        }

        .footer-accent {
            height: 4px;
            background: linear-gradient(90deg, var(--accent), rgba(255, 106, 61, .05) 90%);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding: 64px 24px 48px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 18px;
            height: 42px;
            padding: 0 16px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .1);
            color: #E8E5FA;
            font-size: 14px;
            font-weight: 700;
            transition: background .2s, border-color .2s, transform .2s;
        }

        .footer-btn:hover {
            background: rgba(255, 255, 255, .16);
            border-color: rgba(255, 255, 255, .2);
            color: #fff;
            transform: translateY(2px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            color: #B5AECF;
            font-size: 14px;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
        }

        .footer-bottom-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px 16px;
            font-size: 12px;
            color: #8E87AC;
        }

        @media (max-width: 1060px) {
            .nav-desktop a {
                padding: 23px 7px 18px;
            }

            .header-search {
                width: 170px;
            }
        }

        @media (max-width: 980px) {
            .nav-desktop {
                display: none;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .header-search {
                width: 180px;
            }

            .hero-cat-inner {
                grid-template-columns: 1fr;
            }

            .hero-cat-title br {
                display: none;
            }

            .hero-cat-panel {
                max-width: 560px;
            }

            .intro-grid,
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 748px) {
            .container-x {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding-top: 60px;
                padding-bottom: 60px;
            }

            .header-inner {
                gap: 8px;
            }

            .header-search {
                display: none;
            }

            .header-start {
                padding: 0 14px;
                font-size: 13px;
            }

            .brand {
                font-size: 18px;
            }

            .hero-cat {
                padding: 120px 0 60px;
            }

            .hero-cat-title {
                font-size: 34px;
            }

            .hero-cat-sub {
                font-size: 15px;
            }

            .compare-grid {
                grid-template-columns: 1fr;
            }

            .feature-row,
            .feature-row.flip {
                grid-template-columns: 1fr;
            }

            .feature-row.flip .feature-media {
                order: 0;
            }

            .feature-media img,
            .feature-media {
                max-height: 250px;
            }

            .feature-body {
                padding: 24px;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                padding-left: 16px;
                padding-right: 16px;
                gap: 28px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom-inner {
                flex-direction: column;
                justify-content: center;
                align-items: flex-start;
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 480px) {
            .brand span:last-child {
                font-size: 16px;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .header-start {
                display: none;
            }

            .header-tools {
                gap: 4px;
            }

            .stats-board {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 16px;
            }

            .stat-value {
                font-size: 28px;
            }

            .compare-card {
                padding: 22px 18px;
            }

            .subscribe-card {
                padding: 20px 16px;
            }

            .footer-top {
                grid-template-columns: 1fr;
            }

            .footer-bottom-inner {
                font-size: 11px;
            }
        }

/* roulang page: category4 */
:root {
    --bg-main: #F7F7FA;
    --bg-card: #FFFFFF;
    --bg-deep: #171433;
    --primary: #5B54DF;
    --primary-hover: #4A44C6;
    --accent: #FF6A3D;
    --accent-hover: #EF4E20;
    --support: #20B8A6;
    --text-strong: #1F1B2E;
    --text-body: #494760;
    --muted: #7C7A90;
    --text-light: #F3F1FF;
    --text-light-2: #BCB6DC;
    --border: #ECEAFA;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-xs: 0 1px 2px rgba(23, 20, 51, .06);
    --shadow-sm: 0 4px 12px rgba(23, 20, 51, .08);
    --shadow-lg: 0 12px 40px rgba(35, 26, 88, .14);
  }

  *,
  *:before,
  *:after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg-main);
    color: var(--text-body);
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei UI', 'Microsoft YaHei', ui-sans-serif, 'Segoe UI', sans-serif;
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  ul,
  ol {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  img {
    max-width: 100%;
    display: block;
    border: 0;
  }

  button,
  input,
  select,
  textarea {
    font-family: inherit;
    font-size: inherit;
  }

  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .container-x {
    width: min(1200px, calc(100vw - 48px));
    margin-inline: auto;
  }

  .section {
    padding: 96px 0;
  }

  .section-white {
    background: #FFFFFF;
  }

  .section-soft {
    background: var(--bg-main);
  }

  .section-head {
    max-width: 760px;
    margin-bottom: 48px;
  }

  .section-head.is-center {
    margin-inline: auto;
    text-align: center;
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(91, 84, 223, .1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
  }

  .section-head h2 {
    font-size: clamp(26px, 3vw, 34px);
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: var(--text-strong);
    margin: 0 0 12px;
  }

  .section-head p {
    margin: 0;
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.8;
  }

  h1,
  h2,
  h3 {
    color: var(--text-strong);
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(250, 250, 253, .9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow .2s;
  }

  .header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-strong);
    font-weight: 900;
    font-size: 20px;
    white-space: nowrap;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(145deg, #FF6A3D, #F04E20);
    color: #fff;
    font-weight: 900;
    font-size: 18px;
    box-shadow: 0 6px 14px rgba(255, 106, 61, .25);
  }

  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    min-width: 0;
  }

  .nav-desktop a {
    position: relative;
    color: var(--text-body);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 13px;
    border-radius: 8px;
    white-space: nowrap;
    transition: color .2s ease, background .2s ease;
  }

  .nav-desktop a:hover {
    color: var(--primary);
    background: rgba(91, 84, 223, .06);
  }

  .nav-desktop a.is-active {
    color: var(--text-strong);
    font-weight: 700;
  }

  .nav-desktop a.is-active:after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 6px;
    height: 6px;
    margin-left: -3px;
    border-radius: 999px;
    background: var(--accent);
  }

  .header-tools {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .header-search {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 210px;
    height: 40px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #FFFFFF;
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .header-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(91, 84, 223, .13);
  }

  .header-search i {
    color: var(--muted);
    font-size: 14px;
  }

  .header-search input {
    width: 100%;
    border: 0;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: var(--text-strong);
  }

  .header-search input::placeholder {
    color: var(--muted);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    line-height: 1;
    text-align: center;
    cursor: pointer;
    transition: all .2s cubic-bezier(.2, .6, .2, 1);
  }

  .btn:focus-visible,
  a:focus-visible,
  input:focus-visible,
  button:focus-visible,
  summary:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
  }

  .btn-sm {
    height: 40px;
    padding: 0 18px;
  }

  .btn-lg {
    height: 52px;
    padding: 0 28px;
    font-size: 16px;
  }

  .btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 8px 18px rgba(255, 106, 61, .28);
  }

  .btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(2px);
    box-shadow: 0 4px 10px rgba(239, 78, 32, .22);
  }

  .btn-ghost {
    background: rgba(255, 255, 255, .04);
    color: var(--text-light);
    border-color: rgba(255, 255, 255, .32);
  }

  .btn-ghost:hover {
    border-color: var(--accent);
    color: #fff;
    background: rgba(255, 106, 61, .12);
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 18px rgba(91, 84, 223, .2);
  }

  .btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(2px);
  }

  .header-start {
    white-space: nowrap;
  }

  .mobile-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 0;
    border-radius: 10px;
    color: var(--text-strong);
    cursor: pointer;
    font-size: 18px;
  }

  .mobile-toggle:hover {
    background: rgba(0, 0, 0, .05);
  }

  .mobile-menu {
    display: none;
  }

  .hero-esports {
    position: relative;
    overflow: hidden;
    padding: 92px 0 96px;
    background: var(--bg-deep);
    color: var(--text-light);
  }

  .hero-esports:before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(circle at 82% 12%, rgba(255, 106, 61, .2) 0, transparent 30%),
      radial-gradient(circle at 10% 85%, rgba(91, 84, 223, .35) 0%, transparent 42%);
    pointer-events: none;
  }

  .hero-esports:after {
    content: "";
    position: absolute;
    width: 200px;
    height: 200px;
    right: 4%;
    top: 6%;
    background-image: radial-gradient(rgba(255, 255, 255, .3) 1px, transparent 1px);
    background-size: 9px 9px;
    opacity: .3;
    pointer-events: none;
  }

  .hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 48px;
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 999px;
    padding: 7px 14px;
    color: var(--text-light-2);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
    background: rgba(255, 255, 255, .05);
  }

  .hero-copy h1 {
    margin: 0 0 20px;
    color: #FFFFFF;
    font-size: clamp(34px, 4.4vw, 52px);
    line-height: 1.2;
    letter-spacing: -0.5px;
    font-weight: 900;
  }

  .gradient-text {
    background: linear-gradient(90deg, #FF8A62, #FFC998);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero-lead {
    max-width: 560px;
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-light-2);
    margin: 0 0 30px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
  }

  .hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-light-2);
    font-size: 14px;
  }

  .hero-points i {
    color: var(--support);
    margin-right: 4px;
  }

  .hero-visual {
    position: relative;
    height: clamp(300px, 28vw, 400px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: #2B2361;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    box-shadow: 0 30px 80px rgba(0, 0, 0, .25);
    border: 1px solid rgba(255, 255, 255, .12);
  }

  .hero-visual:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(200deg, transparent 36%, rgba(13, 9, 38, .82) 100%);
  }

  .float-chip {
    position: absolute;
    z-index: 3;
    left: 16px;
    right: 16px;
    bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 16px;
    padding: 13px 16px;
    background: rgba(255, 255, 255, .96);
    color: var(--text-strong);
    font-size: 14px;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
  }

  .float-chip i {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255, 106, 61, .12);
    color: var(--accent);
    flex: none;
  }

  .stats-band {
    padding: 0 0 64px;
    background: #FFFFFF;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    transform: translateY(-34px);
  }

  .stat-card {
    position: relative;
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 26px 22px 22px;
    box-shadow: var(--shadow-sm);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
    transition: transform .2s cubic-bezier(.2, .6, .2, 1), box-shadow .2s;
  }

  .stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
  }

  .stat-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(91, 84, 223, .1);
    color: var(--primary);
    font-size: 16px;
    margin-bottom: 14px;
  }

  .stat-card strong {
    display: block;
    font-size: clamp(28px, 3.2vw, 40px);
    line-height: 1.1;
    font-weight: 900;
    color: var(--text-strong);
    margin-bottom: 6px;
  }

  .stat-card strong span {
    color: var(--accent);
    font-size: .62em;
    margin-left: 2px;
  }

  .stat-label {
    font-size: 15px;
    color: var(--text-body);
    font-weight: 700;
  }

  .stat-note {
    font-size: 13px;
    color: var(--muted);
    margin-top: 2px;
  }

  .intro-band {
    background: var(--bg-main);
    padding-top: 30px;
  }

  .intro-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 48px;
    align-items: center;
  }

  .intro-copy p {
    font-size: 16px;
    line-height: 1.9;
    margin: 18px 0 0;
  }

  .intro-tagline {
    font-size: 18px;
    line-height: 1.9;
    color: var(--text-body);
    border-left: 3px solid var(--accent);
    padding-left: 20px;
    margin: 0;
  }

  .intro-card-list {
    display: grid;
    gap: 12px;
  }

  .intro-mini-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    box-shadow: var(--shadow-xs);
  }

  .intro-mini-card i {
    width: 40px;
    height: 40px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(32, 184, 166, .1);
    color: var(--support);
    font-size: 17px;
  }

  .intro-mini-card:nth-child(2) i {
    background: rgba(91, 84, 223, .1);
    color: var(--primary);
  }

  .intro-mini-card:nth-child(3) i {
    background: rgba(255, 106, 61, .1);
    color: var(--accent);
  }

  .intro-mini-card strong {
    display: block;
    color: var(--text-strong);
    font-size: 15px;
  }

  .intro-mini-card small {
    color: var(--muted);
    font-size: 13px;
  }

  .service-section {
    background: #FFFFFF;
  }

  .service-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .service-card {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 26px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: all .2s cubic-bezier(.2, .6, .2, 1);
  }

  .service-card:hover {
    transform: translateY(-4px);
    background: #FFFFFF;
    border-color: transparent;
    box-shadow: var(--shadow-lg);
  }

  .service-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
  }

  .service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(255, 106, 61, .1);
    color: var(--accent);
    font-size: 20px;
    flex: none;
  }

  .service-card:nth-child(3n+2) .service-icon {
    background: rgba(91, 84, 223, .1);
    color: var(--primary);
  }

  .service-card:nth-child(3n+3) .service-icon {
    background: rgba(32, 184, 166, .1);
    color: var(--support);
  }

  .service-card h3 {
    font-size: 20px;
    margin: 0 0 6px;
    letter-spacing: -0.2px;
  }

  .service-card .card-desc {
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-body);
    margin: 0;
  }

  .tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(91, 84, 223, .08);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
  }

  .card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
  }

  .card-link i {
    font-size: 13px;
    transition: transform .2s;
  }

  .card-link:hover i {
    transform: translateX(4px);
  }

  .compare-section {
    background: var(--bg-main);
  }

  .compare-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
  }

  .compare-column {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 30px;
  }

  .compare-column.is-bad {
    border-top: 4px solid #B5B2C9;
  }

  .compare-column.is-good {
    border-top: 4px solid var(--accent);
    box-shadow: var(--shadow-sm);
  }

  .compare-column h3 {
    margin: 0 0 22px;
    font-size: 20px;
    font-weight: 800;
  }

  .compare-list li {
    display: flex;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px dashed rgba(0, 0, 0, .08);
    color: var(--text-body);
    line-height: 1.7;
    font-size: 15px;
  }

  .compare-list li:last-child {
    border-bottom: 0;
  }

  .compare-list .cmp-icon {
    width: 26px;
    height: 26px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(255, 106, 61, .12);
    color: var(--accent);
    font-size: 13px;
    margin-top: 4px;
  }

  .compare-list .cmp-icon.is-mint {
    background: rgba(32, 184, 166, .12);
    color: var(--support);
  }

  .use-section {
    background: #FFFFFF;
  }

  .flow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .flow-card {
    position: relative;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 24px 24px;
    overflow: hidden;
    transition: all .2s cubic-bezier(.2, .6, .2, 1);
  }

  .flow-card:hover {
    transform: translateY(-4px);
    background: #FFFFFF;
    box-shadow: var(--shadow-lg);
  }

  .flow-number {
    font-size: 44px;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 2px rgba(91, 84, 223, .24);
    line-height: 1;
    margin-bottom: 20px;
  }

  .flow-card:nth-child(2) .flow-number {
    -webkit-text-stroke-color: rgba(255, 106, 61, .35);
  }

  .flow-card:nth-child(3) .flow-number {
    -webkit-text-stroke-color: rgba(32, 184, 166, .4);
  }

  .flow-card h3 {
    font-size: 19px;
    margin: 0 0 10px;
    letter-spacing: -0.2px;
  }

  .flow-card p {
    margin: 0;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.8;
  }

  .duo-block {
    background: var(--bg-main);
    padding-bottom: 0;
  }

  .duo-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
    align-items: center;
    padding: 48px 0;
    border-top: 1px solid var(--border);
  }

  .duo-row:last-child {
    padding-bottom: 96px;
  }

  .duo-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(145deg, #26205C, #191437);
    min-height: 260px;
    box-shadow: var(--shadow-lg);
  }

  .duo-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 260px;
    opacity: .78;
    transition: opacity .2s;
  }

  .duo-media:hover img {
    opacity: .9;
  }

  .duo-float {
    position: absolute;
    left: 16px;
    bottom: 16px;
    z-index: 2;
    background: rgba(23, 20, 51, .72);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 14px;
    color: #fff;
    font-size: 13px;
    padding: 10px 14px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .duo-row:nth-child(even) .duo-media {
    order: 2;
  }

  .duo-copy h3 {
    font-size: 22px;
    line-height: 1.4;
    margin: 0 0 12px;
    letter-spacing: -0.3px;
  }

  .duo-copy p {
    margin: 0;
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-body);
  }

  .duo-mini-list {
    margin-top: 20px;
    display: grid;
    gap: 10px;
  }

  .duo-mini-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: var(--text-body);
    line-height: 1.6;
  }

  .duo-mini-list i {
    color: var(--primary);
    margin-top: 2px;
  }

  .faq-section {
    background: #FFFFFF;
  }

  .faq-wrap {
    max-width: 840px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
  }

  .faq-item {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: background .2s;
  }

  .faq-item[open] {
    background: #FFFFFF;
    box-shadow: var(--shadow-sm);
  }

  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    cursor: pointer;
    list-style: none;
    padding: 20px 22px;
    font-weight: 700;
    font-size: 16px;
    color: var(--text-strong);
    line-height: 1.5;
    transition: color .2s;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary:hover {
    color: var(--primary);
  }

  .faq-icon {
    width: 30px;
    height: 30px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(91, 84, 223, .1);
    color: var(--primary);
    transition: transform .2s ease, background .2s ease;
  }

  .faq-item[open] .faq-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(45deg);
  }

  .faq-item .answer {
    padding: 0 22px 22px;
    margin: -6px 0 0;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.9;
  }

  .cta-dark {
    position: relative;
    overflow: hidden;
    background: var(--bg-deep);
    color: var(--text-light);
  }

  .cta-dark:before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 82% 10%, rgba(255, 106, 61, .18), transparent 32%), radial-gradient(circle at 12% 90%, rgba(91, 84, 223, .45), transparent 46%);
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    max-width: 840px;
    margin: auto;
    text-align: center;
  }

  .cta-inner h2 {
    color: #FFFFFF;
    font-size: clamp(26px, 3vw, 38px);
    letter-spacing: -0.4px;
    line-height: 1.3;
    margin: 0 0 14px;
  }

  .cta-inner .cta-desc {
    color: var(--text-light-2);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 34px;
  }

  .subscribe-form {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  .subscribe-form input[type="email"] {
    width: min(360px, 100%);
    height: 48px;
    padding: 0 18px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, .22);
    background: rgba(255, 255, 255, .08);
    color: #FFFFFF;
    font-size: 15px;
    outline: none;
    transition: border .2s, box-shadow .2s;
  }

  .subscribe-form input[type="email"]::placeholder {
    color: rgba(243, 241, 255, .56);
  }

  .subscribe-form input[type="email"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(91, 84, 223, .3);
  }

  .subscribe-form .btn {
    height: 48px;
  }

  .privacy-line {
    display: flex;
    justify-content: center;
    gap: 8px;
    align-items: center;
    margin: 18px auto 0;
    font-size: 13px;
    color: var(--text-light-2);
  }

  .privacy-line input {
    accent-color: var(--accent);
  }

  .site-footer {
    background: #12102B;
    color: #CEC8E8;
  }

  .footer-accent {
    height: 4px;
    background: linear-gradient(90deg, var(--accent), transparent 80%);
  }

  .footer-top {
    display: grid;
    grid-template-columns: 1.2fr .8fr .8fr .8fr;
    gap: 44px;
    padding: 60px 0 48px;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 900;
    color: #FFFFFF;
  }

  .footer-brand p {
    margin: 20px 0 22px;
    color: #A9A3CC;
    font-size: 14px;
    line-height: 1.9;
  }

  .footer-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 106, 61, .1);
    border: 1px solid rgba(255, 255, 255, .08);
    color: #EFD3C9;
    font-size: 14px;
    font-weight: 600;
    transition: border-color .2s, color .2s, background .2s;
  }

  .footer-btn:hover {
    border-color: rgba(255, 106, 61, .5);
    color: #FFFFFF;
    background: rgba(255, 106, 61, .2);
  }

  .footer-col h4 {
    color: #FFFFFF;
    font-size: 16px;
    margin: 0 0 18px;
  }

  .footer-col a {
    display: block;
    color: #A9A3CC;
    font-size: 14px;
    padding: 5px 0;
    transition: color .2s;
  }

  .footer-col a:hover {
    color: #FFFFFF;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 24px 0;
  }

  .footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px 24px;
    color: #8E87B3;
    font-size: 13px;
  }

  @media (max-width: 1120px) {
    .header-search {
      display: none;
    }
  }

  @media (max-width: 1024px) {
    .nav-desktop {
      display: none;
    }

    .mobile-toggle {
      display: inline-flex;
    }

    .mobile-menu {
      position: fixed;
      z-index: 70;
      top: 72px;
      left: 0;
      right: 0;
      flex-direction: column;
      gap: 4px;
      background: rgba(250, 250, 253, .98);
      border-bottom: 1px solid var(--border);
      padding: 16px;
      box-shadow: var(--shadow-lg);
      display: none;
    }

    .mobile-menu a {
      display: block;
      padding: 12px 16px;
      border-radius: 12px;
      font-size: 16px;
      color: var(--text-body);
      font-weight: 600;
    }

    .mobile-menu a:hover {
      color: var(--primary);
    }

    .mobile-menu a.is-active {
      color: var(--primary);
      background: rgba(91, 84, 223, .07);
    }

    .body-nav-open .mobile-menu {
      display: flex;
    }

    .hero-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .hero-visual {
      min-height: 280px;
    }

    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .stats-band {
      padding-top: 0;
    }

    .intro-grid,
    .duo-row {
      grid-template-columns: 1fr;
    }

    .duo-row:nth-child(even) .duo-media {
      order: 0;
    }
  }

  @media (max-width: 860px) {
    .section {
      padding: 64px 0;
    }

    .header-start {
      display: inline-flex;
    }

    .service-grid,
    .compare-wrap,
    .flow-grid,
    .footer-top {
      grid-template-columns: 1fr;
    }

    .compare-wrap,
    .flow-grid {
      gap: 16px;
    }
  }

  @media (max-width: 560px) {
    .container-x {
      width: min(100% - 32px, 1200px);
    }

    .header-inner {
      gap: 10px;
    }

    .brand {
      font-size: 16px;
      gap: 7px;
    }

    .brand-mark {
      width: 30px;
      height: 30px;
      font-size: 15px;
    }

    .header-start {
      display: none;
    }

    .nav-desktop {
      gap: 2px;
    }

    .hero-esports {
      padding: 56px 0 64px;
    }

    .hero-copy h1 {
      font-size: 34px;
    }

    .hero-lead {
      font-size: 15px;
    }

    .hero-points {
      gap: 10px;
    }

    .stats-grid {
      gap: 12px;
      transform: translateY(-18px);
    }

    .stat-card {
      padding: 18px 14px 14px;
    }

    .stat-card strong {
      font-size: 28px;
    }

    .service-card {
      padding: 22px;
    }

    .compare-column,
    .faq-item summary {
      padding: 18px 16px;
    }

    .flow-card {
      padding: 22px 18px;
    }

    .subscribe-form {
      flex-direction: column;
    }

    .subscribe-form .btn {
      width: 100%;
    }

    .footer-top {
      gap: 34px;
      padding-top: 48px;
      padding-bottom: 32px;
    }

    .footer-bottom-inner {
      flex-direction: column;
      gap: 6px;
    }

    .duo-media img {
      min-height: 220px;
    }
  }

  @media (prefers-reduced-motion: no-preference) {
    .hero-copy,
    .hero-visual,
    .stat-card {
      animation: riseIn .5s both;
    }

    .hero-visual {
      animation-delay: .05s;
    }

    .stat-card:nth-child(2) {
      animation-delay: .08s;
    }

    .stat-card:nth-child(3) {
      animation-delay: .16s;
    }

    .stat-card:nth-child(4) {
      animation-delay: .24s;
    }

    @keyframes riseIn {
      from {
        opacity: 0;
        transform: translateY(16px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
  }