/* roulang page: index */
:root {
    --color-primary: #C9A063;
    --color-primary-hover: #DEB87B;
    --color-primary-dark: #A67C42;
    --color-accent-purple: #7B4BFF;
    --color-accent-cyan: #00E5C6;
    --color-bg: #0B0E14;
    --color-bg-card: #151B26;
    --color-bg-input: #1A2230;
    --color-bg-footer: #080A0F;
    --color-border: rgba(201,160,99,.22);
    --color-border-hover: rgba(201,160,99,.38);
    --color-text: #E9EEF5;
    --color-text-secondary: #98A2B3;
    --color-text-placeholder: #6B7A8F;
    --radius-card: 14px;
    --radius-btn: 8px;
    --radius-input: 8px;
    --radius-tag: 999px;
    --shadow-card: 0 10px 30px rgba(0,0,0,.35);
    --shadow-card-hover: 0 16px 40px rgba(0,0,0,.5);
    --spacing-section: 96px;
    --spacing-section-mobile: 56px;
    --container-width: 1200px;
    --header-height: 72px;
    --header-height-mobile: 56px;
    --tabbar-height: 64px;
    --gradient-gold: linear-gradient(135deg, #C9A063 0%, #A67C42 100%);
    --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
    --font-num: "DIN Alternate", Inter, "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text);
    background-color: var(--color-bg);
    padding-top: var(--header-height);
    padding-bottom: 0;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-text); text-decoration: none; transition: color .25s ease, border-color .25s ease, background-color .25s ease; }
a:hover { color: var(--color-primary); }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
ul { list-style: none; }
h1, h2, h3, h4 { line-height: 1.3; margin: 0; font-weight: 700; }
p { margin: 0; }
.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--spacing-section) 0; position: relative; }
.section-head { display: flex; align-items: center; gap: 14px; margin-bottom: 40px; }
.section-head .gold-line { width: 3px; height: 20px; background: var(--gradient-gold); border-radius: 1px; flex-shrink: 0; }
.section-head h2 { font-size: 32px; font-weight: 700; color: var(--color-text); letter-spacing: 1px; }
.section-head .decor { font-size: 13px; color: var(--color-text-placeholder); letter-spacing: 3px; text-transform: uppercase; margin-top: 6px; }

/* ===== Header Navigation ===== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: rgba(11,14,20,.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.45); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(201,160,99,.16); border: 1px solid rgba(201,160,99,.35); color: var(--color-primary); font-weight: 800; font-size: 18px; }
.brand-name { font-size: 20px; font-weight: 700; color: var(--color-text); letter-spacing: 1px; }
.brand-name span { color: var(--color-primary); }
.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a { position: relative; font-size: 15px; color: var(--color-text-secondary); padding: 8px 0; font-weight: 500; }
.main-nav a:hover { color: var(--color-primary); }
.main-nav a.active { color: var(--color-primary); }
.main-nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--gradient-gold); border-radius: 1px; }
.nav-cta { display: inline-flex; align-items: center; gap: 6px; padding: 8px 20px; background: var(--gradient-gold); color: #1A1205 !important; border-radius: var(--radius-btn); font-weight: 600; font-size: 14px; transition: all .3s ease; }
.nav-cta:hover { background: linear-gradient(135deg, var(--color-primary-hover), var(--color-primary-dark)); box-shadow: 0 0 18px rgba(201,160,99,.35); transform: translateY(-1px); }
.mobile-top { display: none; height: var(--header-height-mobile); }

/* ===== Mobile Bottom Tab ===== */
.mobile-tabbar {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: calc(var(--tabbar-height) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(11,14,20,.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-border);
    z-index: 1100;
}
.mobile-tabbar .tab-item { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--color-text-secondary); font-size: 11px; position: relative; }
.mobile-tabbar .tab-item svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.mobile-tabbar .tab-item.active { color: var(--color-primary); }
.mobile-tabbar .tab-item.active::before { content: ''; position: absolute; top: 0; left: 30%; right: 30%; height: 2px; background: var(--gradient-gold); border-radius: 0 0 2px 2px; }

/* ===== Countdown Bar ===== */
.countdown-bar { background: linear-gradient(90deg, #151B26 0%, #1A2230 100%); border-bottom: 1px solid var(--color-border); }
.countdown-inner { display: flex; align-items: center; justify-content: space-between; min-height: 52px; padding: 8px 0; gap: 20px; flex-wrap: wrap; }
.countdown-label { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--color-text); font-weight: 600; white-space: nowrap; }
.countdown-label i { color: var(--color-primary); }
.countdown-timer { display: flex; align-items: center; gap: 8px; }
.countdown-item { display: flex; flex-direction: column; align-items: center; background: rgba(201,160,99,.1); border: 1px solid rgba(201,160,99,.25); border-radius: 10px; padding: 4px 12px; min-width: 56px; }
.countdown-num { font-family: var(--font-num); font-size: 22px; font-weight: 800; color: var(--color-accent-cyan); font-variant-numeric: tabular-nums; line-height: 1.2; }
.countdown-label-sub { font-size: 10px; color: var(--color-text-placeholder); text-transform: uppercase; letter-spacing: 1px; }
.countdown-btn { display: inline-flex; align-items: center; gap: 6px; background: var(--gradient-gold); color: #1A1205; padding: 8px 24px; border-radius: var(--radius-btn); font-weight: 700; font-size: 14px; white-space: nowrap; transition: all .3s ease; }
.countdown-btn:hover { box-shadow: 0 0 18px rgba(201,160,99,.4); transform: translateY(-1px); color: #1A1205; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 640px; display: flex; align-items: center; background: linear-gradient(180deg, rgba(11,14,20,.5) 0%, rgba(11,14,20,.75) 60%, rgba(11,14,20,.95) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat; padding: 80px 0; }
.hero-content { max-width: 680px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(123,75,255,.12); border: 1px solid rgba(123,75,255,.3); color: #A78BFF; padding: 6px 16px; border-radius: var(--radius-tag); font-size: 13px; margin-bottom: 24px; }
.hero h1 { font-size: 48px; line-height: 1.25; font-weight: 800; color: var(--color-text); margin-bottom: 20px; letter-spacing: 1px; }
.hero h1 .highlight { color: var(--color-primary); font-weight: 800; }
.hero-sub { font-size: 18px; color: var(--color-text-secondary); line-height: 1.7; max-width: 540px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: var(--radius-btn); font-weight: 600; font-size: 15px; cursor: pointer; border: none; transition: all .3s ease; }
.btn-primary { background: var(--gradient-gold); color: #1A1205; }
.btn-primary:hover { box-shadow: 0 0 20px rgba(201,160,99,.4); transform: translateY(-1px); color: #1A1205; }
.btn-primary:active { transform: scale(.98); }
.btn-outline { background: transparent; border: 1px solid var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: rgba(201,160,99,.1); color: var(--color-primary); }
.btn-outline:active { transform: scale(.98); }
.hero-metrics { display: flex; gap: 32px; flex-wrap: wrap; }
.metric { text-align: left; }
.metric-num { font-family: var(--font-num); font-size: 30px; font-weight: 800; color: var(--color-primary); line-height: 1.2; }
.metric-label { font-size: 13px; color: var(--color-text-placeholder); margin-top: 4px; }

/* ===== Feature Cards (2x2 offset) ===== */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; max-width: 900px; margin: 0 auto; }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.feature-row.offset { margin-left: 80px; }
.feature-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 28px 24px; display: flex; gap: 20px; transition: all .35s ease; }
.feature-card:hover { border-color: var(--color-border-hover); box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.feature-icon { width: 48px; height: 48px; border: 1px solid rgba(201,160,99,.3); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--color-primary); font-size: 20px; flex-shrink: 0; background: rgba(201,160,99,.08); }
.feature-text h3 { font-size: 18px; margin-bottom: 8px; color: var(--color-text); }
.feature-text p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; }

/* ===== Gallery Masonry ===== */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 220px; gap: 20px; }
.gallery-item { position: relative; border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--color-border); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.gallery-item:hover img { transform: scale(1.03); }
.gallery-item .gallery-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(11,14,20,.85) 100%); display: flex; align-items: flex-end; padding: 20px; opacity: 0; transition: opacity .3s ease; }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item .gallery-caption { color: #fff; font-size: 14px; font-weight: 500; }
.gallery-item.wide { grid-column: span 2; grid-row: span 2; }

/* ===== CTA + Form ===== */
.cta-section { position: relative; background: linear-gradient(135deg, rgba(11,14,20,.75), rgba(11,14,20,.85)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat; padding: 80px 0; border-top: 1px solid rgba(201,160,99,.15); border-bottom: 1px solid rgba(201,160,99,.15); }
.cta-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-left h2 { font-size: 36px; color: var(--color-text); margin-bottom: 16px; }
.cta-left p { color: var(--color-text-secondary); font-size: 15px; line-height: 1.7; margin-bottom: 24px; max-width: 440px; }
.cta-contact { display: flex; flex-direction: column; gap: 12px; }
.cta-contact-item { display: flex; align-items: center; gap: 12px; color: var(--color-text-secondary); font-size: 14px; }
.cta-contact-item i { color: var(--color-primary); width: 20px; text-align: center; }
.signup-form { background: rgba(21,27,38,.92); border: 1px solid var(--color-border); border-radius: 16px; padding: 36px; }
.signup-form .form-title { font-size: 22px; font-weight: 700; margin-bottom: 24px; color: var(--color-text); }
.signup-form label { display: block; font-size: 13px; color: var(--color-text-secondary); margin-bottom: 8px; }
.signup-form input,
.signup-form select { width: 100%; background: var(--color-bg-input); border: 1px solid var(--color-border); border-radius: var(--radius-input); padding: 12px 16px; color: var(--color-text); transition: all .3s ease; margin-bottom: 20px; height: 46px; }
.signup-form input:focus,
.signup-form select:focus { border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(201,160,99,.12); outline: none; }
.signup-form input.error,
.signup-form select.error { border-color: #FF4D4F; }
.signup-form input::placeholder { color: var(--color-text-placeholder); }
.signup-form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%236B7A8F'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; }
.signup-form .alert-msg { display: none; background: rgba(255,77,79,.1); border: 1px solid rgba(255,77,79,.3); border-radius: 8px; padding: 12px 16px; color: #FF7A7E; font-size: 14px; margin-bottom: 20px; }
.signup-form .alert-msg.success { background: rgba(0,229,198,.08); border-color: rgba(0,229,198,.3); color: var(--color-accent-cyan); }
.btn-submit { width: 100%; padding: 14px; font-size: 16px; font-weight: 700; }

/* ===== FAQ ===== */
.faq-layout { display: grid; grid-template-columns: 360px 1fr; gap: 60px; }
.faq-rules { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 32px; height: fit-content; }
.faq-rules h3 { font-size: 20px; margin-bottom: 24px; color: var(--color-text); display: flex; align-items: center; gap: 10px; }
.faq-rules h3 .gold-line { width: 3px; height: 18px; background: var(--gradient-gold); border-radius: 1px; }
.faq-rule-item { display: flex; gap: 12px; margin-bottom: 18px; }
.faq-rule-num { font-family: var(--font-num); color: var(--color-primary); font-weight: 800; font-size: 14px; line-height: 1.8; flex-shrink: 0; }
.faq-rule-text { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; }
.accordion { background: transparent; margin: 0 !important; }
.accordion-item { background: var(--color-bg-card); border: 1px solid var(--color-border) !important; border-radius: var(--radius-card); margin-bottom: 14px; overflow: hidden; transition: border-color .3s ease; }
.accordion-item:hover { border-color: var(--color-border-hover) !important; }
.accordion-title { background: transparent !important; color: var(--color-text) !important; font-size: 16px !important; font-weight: 600 !important; padding: 20px 24px !important; display: flex; align-items: center; justify-content: space-between; position: relative; }
.accordion-title::after { content: '\f067'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 13px; color: var(--color-primary); order: 2; transition: transform .3s ease; }
.accordion-title:hover, .accordion-title[aria-selected="true"] { color: var(--color-primary) !important; }
.is-active .accordion-title::after { transform: rotate(45deg); }
.accordion-content { background: rgba(201,160,99,.06); color: var(--color-text-secondary) !important; font-size: 14px !important; line-height: 1.7; padding: 0 24px 24px !important; border-top: 1px solid rgba(201,160,99,.15); }
.accordion-content .content-inner { padding-top: 16px; }

/* ===== News List ===== */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card { display: grid; grid-template-columns: 80px 1fr 40px; gap: 24px; align-items: center; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 24px; transition: all .3s ease; }
.news-card:hover { border-color: var(--color-border-hover); box-shadow: var(--shadow-card-hover); transform: translateX(4px); }
.news-date { text-align: center; border-right: 1px solid var(--color-border); padding-right: 20px; }
.news-date .day { font-family: var(--font-num); font-size: 32px; font-weight: 800; color: var(--color-primary); line-height: 1; display: block; }
.news-date .month { font-size: 13px; color: var(--color-text-placeholder); margin-top: 4px; }
.news-content h3 { font-size: 18px; color: var(--color-text); margin-bottom: 6px; transition: color .2s ease; }
.news-card:hover .news-content h3 { color: var(--color-primary); }
.news-content p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
.news-tag { display: inline-block; background: rgba(123,75,255,.12); color: #A78BFF; padding: 4px 12px; border-radius: var(--radius-tag); font-size: 12px; }
.news-arrow { font-size: 22px; color: var(--color-text-placeholder); transition: all .3s ease; }
.news-card:hover .news-arrow { color: var(--color-primary); transform: translateX(4px); }
.news-empty { border: 1px dashed rgba(201,160,99,.3); border-radius: var(--radius-card); min-height: 160px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: var(--color-text-placeholder); font-size: 14px; background: var(--color-bg-card); }
.news-empty i { font-size: 32px; color: var(--color-primary); opacity: .5; }

/* ===== Footer ===== */
.site-footer { background: var(--color-bg-footer); border-top: 1px solid var(--color-primary); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; max-width: 300px; }
.footer-col h4 { font-size: 16px; color: var(--color-text); margin-bottom: 18px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: var(--color-text-secondary); }
.footer-col ul li a:hover { color: var(--color-primary); }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--color-text-secondary); margin-bottom: 12px; }
.footer-contact li i { color: var(--color-primary); margin-top: 4px; width: 18px; text-align: center; }
.footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.06); }
.footer-bottom p { font-size: 13px; color: var(--color-text-placeholder); }

/* ===== Animations ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.fade-in-up { animation: fadeInUp .6s ease both; }
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }

/* ===== Responsive ===== */
@media screen and (max-width: 1023px) {
    .desktop-nav { display: none; }
    .mobile-top { display: flex; align-items: center; justify-content: space-between; }
    .mobile-top .brand-name { font-size: 18px; }
    .site-header { height: var(--header-height-mobile); }
    body { padding-top: var(--header-height-mobile); }
    .mobile-tabbar { display: flex; }
    body { padding-bottom: var(--tabbar-height); }
    .container { padding: 0 16px; }
    .section { padding: var(--spacing-section-mobile) 0; }
    .section-head h2 { font-size: 26px; }
    .hero { min-height: 520px; padding: 60px 0; }
    .hero h1 { font-size: 34px; }
    .hero-sub { font-size: 16px; }
    .feature-grid { max-width: 100%; }
    .feature-row.offset { margin-left: 0; }
    .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 180px; }
    .gallery-item.wide { grid-column: span 1; grid-row: span 1; }
    .faq-layout { grid-template-columns: 1fr; gap: 40px; }
    .cta-layout { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media screen and (max-width: 639px) {
    .hero { min-height: 480px; padding: 48px 0; }
    .hero h1 { font-size: 28px; line-height: 1.3; }
    .hero-sub { font-size: 15px; margin-bottom: 28px; }
    .hero-actions { margin-bottom: 32px; }
    .hero-metrics { gap: 20px; }
    .metric-num { font-size: 24px; }
    .countdown-inner { min-height: 48px; gap: 10px; }
    .countdown-label { font-size: 13px; }
    .countdown-item { padding: 2px 8px; min-width: 42px; }
    .countdown-num { font-size: 16px; }
    .countdown-label-sub { font-size: 9px; }
    .countdown-btn { display: none; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-row { grid-template-columns: 1fr; }
    .feature-card { padding: 20px; }
    .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
    .news-card { grid-template-columns: 56px 1fr 20px; gap: 12px; padding: 16px; }
    .news-date { padding-right: 10px; }
    .news-date .day { font-size: 22px; }
    .news-content h3 { font-size: 15px; }
    .news-content p { font-size: 13px; }
    .news-arrow { font-size: 16px; }
    .cta-section { padding: 56px 0; }
    .cta-left h2 { font-size: 26px; }
    .signup-form { padding: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .section-head h2 { font-size: 24px; }
    .gallery-item.wide { grid-column: span 1; grid-row: span 1; }
}

/* roulang page: article */
:root {
            --gold: #C9A063;
            --gold-hover: #DEB87B;
            --gold-dark: #A67C42;
            --purple: #7B4BFF;
            --purple-light: #A78BFF;
            --cyan: #00E5C6;
            --bg-dark: #0B0E14;
            --bg-card: #151B26;
            --bg-input: #1A2230;
            --bg-footer: #080A0F;
            --text-main: #E9EEF5;
            --text-secondary: #98A2B3;
            --text-placeholder: #6B7A8F;
            --border-card: rgba(201, 160, 99, .22);
            --border-card-hover: rgba(201, 160, 99, .38);
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, .35);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, .5);
            --transition: all .3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

        ul, ol {
            list-style: none;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            z-index: 1000;
            background: rgba(11, 14, 20, .9);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(201, 160, 99, .12);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #1A1205;
            font-weight: 700;
            font-size: 16px;
            border-radius: 10px;
            letter-spacing: -1px;
            box-shadow: 0 4px 16px rgba(201, 160, 99, .3);
        }

        .brand-name {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .brand-name span {
            color: var(--gold);
        }

        .main-nav.desktop-nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        .main-nav a:not(.nav-cta) {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 0;
        }

        .main-nav a:not(.nav-cta)::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        .main-nav a:not(.nav-cta):hover::after,
        .main-nav a:not(.nav-cta).active::after {
            width: 100%;
        }

        .main-nav a:not(.nav-cta):hover {
            color: var(--gold-hover);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #1A1205 !important;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(201, 160, 99, .25);
        }

        .nav-cta:hover {
            background: linear-gradient(135deg, var(--gold-hover), var(--gold));
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(201, 160, 99, .4);
        }

        .nav-cta:active {
            transform: scale(.97);
        }

        .mobile-top {
            display: none;
        }

        /* ===== Mobile Tabbar ===== */
        .mobile-tabbar {
            display: none;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            padding: 96px 0 12px;
            background: var(--bg-dark);
            border-bottom: 1px solid rgba(201, 160, 99, .06);
        }

        .breadcrumb-wrap .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb-wrap a:hover {
            color: var(--gold);
        }

        .breadcrumb-sep {
            color: var(--text-placeholder);
        }

        .breadcrumb-current {
            color: var(--text-secondary);
            display: inline-block;
            max-width: 380px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 64px 0 48px;
            background: linear-gradient(180deg, rgba(11, 14, 20, .6) 0%, rgba(11, 14, 20, .95) 100%);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(11, 14, 20, .75) 0%, rgba(11, 14, 20, .92) 100%);
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .article-category {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(123, 75, 255, .12);
            color: var(--purple-light);
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(123, 75, 255, .2);
        }

        .article-hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            max-width: 860px;
            margin: 0 auto 28px;
            letter-spacing: 1px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 28px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta i {
            color: var(--gold);
            font-size: 14px;
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 56px 0 72px;
        }

        .article-container {
            max-width: 760px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .article-content {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-main);
        }

        .article-content p {
            margin: 0 0 1.5em;
            color: #CBD2DE;
            line-height: 1.8;
        }

        .article-content p:first-child::first-letter {
            font-size: 1.6em;
            font-weight: 600;
            color: var(--gold);
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 40px 0 18px;
            padding-left: 16px;
            border-left: 3px solid var(--gold);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 21px;
            font-weight: 600;
            color: #fff;
            margin: 32px 0 14px;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--gold-hover);
            margin: 24px 0 12px;
        }

        .article-content img {
            border-radius: 8px;
            border: 1px solid rgba(201, 160, 99, .16);
            margin: 24px 0;
        }

        .article-content blockquote {
            margin: 28px 0;
            padding: 18px 24px;
            background: rgba(201, 160, 99, .05);
            border-left: 3px solid var(--gold);
            border-radius: 0 8px 8px 0;
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.7;
        }

        .article-content blockquote p {
            margin: 0;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px;
            padding-left: 24px;
            color: #CBD2DE;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .article-content table {
            width: 100%;
            margin: 28px 0;
            border-collapse: collapse;
            border-radius: 8px;
            overflow: hidden;
        }

        .article-content table thead th {
            background: rgba(201, 160, 99, .08);
            color: var(--gold-hover);
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 2px solid var(--gold);
            font-size: 15px;
        }

        .article-content table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid rgba(201, 160, 99, .08);
            color: #CBD2DE;
            font-size: 15px;
        }

        .article-content table tbody tr:hover {
            background: rgba(201, 160, 99, .03);
        }

        .article-content a {
            color: var(--gold);
            border-bottom: 1px solid rgba(201, 160, 99, .3);
        }

        .article-content a:hover {
            color: var(--gold-hover);
            border-color: var(--gold-hover);
        }

        .article-content strong {
            color: #fff;
            font-weight: 600;
        }

        .article-content code {
            background: var(--bg-input);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: .9em;
            color: var(--cyan);
        }

        .article-content hr {
            border: none;
            border-top: 1px solid rgba(201, 160, 99, .15);
            margin: 40px 0;
        }

        .article-empty {
            text-align: center;
            padding: 80px 24px;
            border: 2px dashed rgba(201, 160, 99, .25);
            border-radius: var(--radius-card);
        }

        .article-empty i {
            font-size: 48px;
            color: var(--gold);
            margin-bottom: 16px;
            display: block;
        }

        .article-empty p {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .article-empty a {
            display: inline-block;
            padding: 10px 28px;
            border: 1px solid var(--gold);
            color: var(--gold);
            border-radius: var(--radius-btn);
            font-size: 14px;
            transition: var(--transition);
        }

        .article-empty a:hover {
            background: rgba(201, 160, 99, .1);
            border-color: var(--gold-hover);
        }

        .article-footer-meta {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 1px solid rgba(201, 160, 99, .12);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .article-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .tags-label {
            font-size: 13px;
            color: var(--text-placeholder);
            letter-spacing: 1px;
        }

        .tag {
            padding: 5px 14px;
            background: rgba(123, 75, 255, .12);
            color: var(--purple-light);
            border-radius: var(--radius-tag);
            font-size: 12px;
            border: 1px solid rgba(123, 75, 255, .15);
            transition: var(--transition);
            cursor: pointer;
        }

        .tag:hover {
            background: rgba(123, 75, 255, .25);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-share span {
            font-size: 13px;
            color: var(--text-placeholder);
        }

        .share-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-input);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid rgba(201, 160, 99, .15);
        }

        .share-icon:hover {
            background: rgba(201, 160, 99, .15);
            color: var(--gold);
            transform: translateY(-2px);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 80px 0 64px;
            background: var(--bg-footer);
            position: relative;
        }

        .section-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 44px;
        }

        .section-line {
            width: 3px;
            height: 24px;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0;
            letter-spacing: 1px;
        }

        .section-en {
            font-size: 14px;
            color: var(--text-placeholder);
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-left: auto;
            font-weight: 500;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-card);
            overflow: hidden;
            transition: var(--transition);
            display: block;
        }

        .related-card:hover {
            border-color: var(--border-card-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

        .related-img {
            position: relative;
            overflow: hidden;
            height: 200px;
        }

        .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .related-card:hover .related-img img {
            transform: scale(1.06);
        }

        .related-img::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(11, 14, 20, .7) 100%);
        }

        .related-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 3;
            padding: 5px 14px;
            background: rgba(11, 14, 20, .75);
            color: var(--gold);
            border: 1px solid rgba(201, 160, 99, .3);
            border-radius: var(--radius-tag);
            font-size: 11px;
            font-weight: 600;
            backdrop-filter: blur(6px);
            letter-spacing: 1px;
        }

        .related-body {
            padding: 20px 22px 22px;
        }

        .related-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 50px;
            transition: var(--transition);
        }

        .related-card:hover .related-body h3 {
            color: var(--gold-hover);
        }

        .related-date {
            font-size: 13px;
            color: var(--text-placeholder);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .back-btn-wrap {
            text-align: center;
            margin-top: 52px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--gold);
            color: var(--gold);
        }

        .btn-outline:hover {
            background: rgba(201, 160, 99, .1);
            border-color: var(--gold-hover);
            color: var(--gold-hover);
            transform: translateY(-1px);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #1A1205;
            box-shadow: 0 6px 20px rgba(201, 160, 99, .3);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, var(--gold-hover), var(--gold));
            box-shadow: 0 8px 28px rgba(201, 160, 99, .45);
            transform: translateY(-1px);
            color: #1A1205;
        }

        .btn-gold:active {
            transform: scale(.97);
            box-shadow: 0 4px 12px rgba(201, 160, 99, .25);
        }

        /* ===== CTA Bar ===== */
        .cta-bar {
            position: relative;
            padding: 72px 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat fixed;
            overflow: hidden;
        }

        .cta-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 14, 20, .72);
        }

        .cta-bar .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-info h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-info h2 span {
            color: var(--gold);
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            border-top: 2px solid rgba(201, 160, 99, .12);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1.2fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
            display: inline-block;
            padding: 2px 0;
        }

        .footer-col ul li a:hover {
            color: var(--gold);
            transform: translateX(4px);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .footer-contact i {
            color: var(--gold);
            width: 16px;
            text-align: center;
            font-size: 13px;
        }

        .footer-bottom {
            padding-top: 28px;
            border-top: 1px solid rgba(201, 160, 99, .08);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-placeholder);
            letter-spacing: 1px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .site-header {
                height: 64px;
            }

            .header-inner > .brand {
                display: none;
            }

            .main-nav.desktop-nav {
                display: none;
            }

            .mobile-top {
                display: flex;
                align-items: center;
                justify-content: space-between;
                width: 100%;
                height: 100%;
            }

            .mobile-top .brand .brand-logo {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .mobile-top .brand .brand-name {
                font-size: 18px;
            }

            .countdown-btn {
                background: linear-gradient(135deg, var(--gold), var(--gold-dark));
                color: #1A1205;
                border-radius: var(--radius-btn);
                font-weight: 600;
                transition: var(--transition);
                display: inline-flex;
                align-items: center;
                gap: 6px;
                box-shadow: 0 4px 12px rgba(201, 160, 99, .25);
            }

            .countdown-btn:hover {
                background: linear-gradient(135deg, var(--gold-hover), var(--gold));
                box-shadow: 0 6px 20px rgba(201, 160, 99, .4);
                color: #1A1205;
            }

            .breadcrumb-wrap {
                padding-top: 80px;
            }

            .article-hero {
                padding: 44px 0 36px;
                background-attachment: scroll;
            }

            .article-hero h1 {
                font-size: 32px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .cta-bar .container {
                flex-direction: column;
                text-align: center;
            }

            .cta-info p {
                margin: 0 auto;
            }
        }

        @media (max-width: 639px) {
            .container {
                padding: 0 16px;
            }

            .mobile-tabbar {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                height: calc(64px + env(safe-area-inset-bottom));
                padding-bottom: env(safe-area-inset-bottom);
                background: rgba(11, 14, 20, .96);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                z-index: 1200;
                border-top: 1px solid rgba(201, 160, 99, .12);
                justify-content: space-around;
                align-items: center;
            }

            .tab-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 3px;
                color: var(--text-secondary);
                font-size: 10px;
                text-decoration: none;
                padding: 8px 0;
                min-width: 52px;
                position: relative;
                flex: 1;
                transition: var(--transition);
            }

            .tab-item i {
                font-size: 17px;
                transition: var(--transition);
            }

            .tab-item:hover,
            .tab-item.active {
                color: var(--gold);
            }

            .tab-item.active::before {
                content: '';
                position: absolute;
                top: -2px;
                left: 50%;
                transform: translateX(-50%);
                width: 28px;
                height: 2px;
                background: var(--gold);
                border-radius: 2px;
            }

            .tab-cta {
                position: relative;
            }

            .tab-cta i {
                background: linear-gradient(135deg, var(--gold), var(--gold-dark));
                color: #1A1205;
                width: 38px;
                height: 38px;
                border-radius: 50%;
                line-height: 38px !important;
                font-size: 15px;
                text-align: center;
                box-shadow: 0 6px 18px rgba(201, 160, 99, .35);
                margin-top: -18px;
                transition: var(--transition);
            }

            .tab-cta:hover i,
            .tab-cta.active i {
                transform: scale(1.1);
                box-shadow: 0 8px 24px rgba(201, 160, 99, .5);
            }

            body {
                padding-bottom: 72px;
            }

            .breadcrumb-current {
                max-width: 160px;
            }

            .article-hero {
                padding: 36px 0 28px;
            }

            .article-hero h1 {
                font-size: 25px;
                line-height: 1.35;
                margin-bottom: 20px;
            }

            .article-meta {
                gap: 14px;
                font-size: 13px;
            }

            .article-main {
                padding: 36px 0 48px;
            }

            .article-container {
                padding: 0 16px;
            }

            .article-content {
                font-size: 16px;
                line-height: 1.75;
            }

            .article-content h2 {
                font-size: 22px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .article-content table {
                overflow-x: auto;
                display: block;
            }

            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }

            .related-section {
                padding: 56px 0 44px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-en {
                display: none;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .related-img {
                height: 180px;
            }

            .back-btn-wrap {
                margin-top: 36px;
            }

            .btn {
                padding: 12px 24px;
                font-size: 13px;
            }

            .cta-bar {
                padding: 48px 0;
                background-attachment: scroll;
            }

            .cta-info h2 {
                font-size: 23px;
            }

            .cta-info p {
                font-size: 13px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-brand p {
                font-size: 13px;
            }

            .footer-col h4 {
                font-size: 14px;
            }

            .footer-col ul li a,
            .footer-contact li {
                font-size: 13px;
            }

            .mobile-tabbar .tab-item:nth-child(3) {
                color: var(--gold);
            }
        }

        @media (max-width: 379px) {
            .article-hero h1 {
                font-size: 22px;
            }

            .article-meta {
                gap: 10px;
                font-size: 12px;
            }

            .article-meta span {
                gap: 5px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: category1 */
:root {
  --gold: #C9A063;
  --gold-light: #DEB87B;
  --gold-dark: #A67C42;
  --purple: #7B4BFF;
  --cyan: #00E5C6;
  --bg: #0B0E14;
  --card: #151B26;
  --surface: #1A2230;
  --footer-bg: #080A0F;
  --text: #E9EEF5;
  --text-2: #98A2B3;
  --text-3: #6B7A8F;
  --border: rgba(201,160,99,.22);
  --border-hover: rgba(201,160,99,.38);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 10px 30px rgba(0,0,0,.35);
  --shadow-hover: 0 16px 40px rgba(0,0,0,.5);
  --header-h: 72px;
  --content-w: 1200px;
  --space: 96px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .3s ease, border-color .3s ease, background .3s ease, box-shadow .3s ease, transform .3s ease; }
a:hover { color: var(--gold-light); }
img { max-width: 100%; display: block; border: 0; }
ul, ol { list-style: none; }
.container { max-width: var(--content-w); margin: 0 auto; padding: 0 24px; }
body { padding-bottom: 0; }
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(11,14,20,.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(201,160,99,.14);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { background: rgba(11,14,20,.92); box-shadow: 0 8px 30px rgba(0,0,0,.3); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: linear-gradient(135deg, #C9A063, #A67C42);
  border-radius: 8px; color: #1A1205;
  font-weight: 800; font-size: 16px; letter-spacing: .5px;
  box-shadow: 0 4px 14px rgba(201,160,99,.25);
}
.brand-name { font-size: 22px; font-weight: 700; color: #fff; letter-spacing: .5px; white-space: nowrap; }
.brand-name span { color: var(--gold); }
.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a { font-size: 15px; font-weight: 500; color: rgba(233,238,245,.82); position: relative; padding: 8px 0; }
.main-nav a:hover { color: var(--gold-light); }
.main-nav a.active { color: var(--gold-light); }
.main-nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; border-radius: 2px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
}
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #C9A063, #A67C42);
  color: #1A1205 !important; font-weight: 600;
  padding: 10px 22px !important; border-radius: var(--radius-sm);
  box-shadow: 0 4px 14px rgba(201,160,99,.25);
}
.nav-cta:hover {
  background: linear-gradient(135deg, #DEB87B, #C9A063);
  color: #1A1205 !important;
  box-shadow: 0 0 18px rgba(201,160,99,.35);
  transform: translateY(-1px);
}
.nav-cta:active { transform: scale(.98); }
.mobile-top { display: none; }
.mobile-tabbar { display: none; }
.cat-hero {
  position: relative;
  min-height: 460px;
  display: flex; align-items: flex-end;
  padding: 150px 0 76px;
  background: linear-gradient(rgba(11,14,20,.55), rgba(11,14,20,.94)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
}
.hero-inner { position: relative; z-index: 2; width: 100%; }
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-2); margin-bottom: 20px; }
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb .sep { color: var(--text-3); }
.breadcrumb .current { color: var(--gold); }
.cat-hero h1 {
  font-size: 52px; font-weight: 700; line-height: 1.25;
  color: #fff; margin-bottom: 16px; letter-spacing: 1px;
}
.cat-hero h1 .gold { color: var(--gold); }
.cat-hero .lead {
  font-size: 18px; line-height: 1.8;
  color: rgba(233,238,245,.88); max-width: 720px;
}
.cat-hero .hero-badges { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(21,27,38,.72);
  border: 1px solid rgba(201,160,99,.28);
  border-radius: 999px;
  padding: 8px 18px; font-size: 14px; color: var(--text);
  backdrop-filter: blur(8px);
}
.hero-badge i { color: var(--gold); }
.hero-badge b { color: var(--gold); font-weight: 700; font-size: 18px; font-variant-numeric: tabular-nums; }
.cat-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 64px;
  padding-top: 80px;
  padding-bottom: 80px;
  align-items: start;
}
.chapter-nav {
  position: sticky; top: 100px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px;
}
.chapter-nav .nav-title {
  font-size: 13px; color: var(--text-3);
  letter-spacing: 2px; margin-bottom: 12px;
  padding-left: 12px;
}
.chapter-nav a {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-2);
  padding: 10px 12px; border-radius: 8px;
  border-left: 2px solid transparent;
}
.chapter-nav a::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: rgba(201,160,99,.35); flex-shrink: 0;
}
.chapter-nav a:hover, .chapter-nav a.active {
  color: var(--gold-light);
  background: rgba(201,160,99,.08);
  border-left-color: var(--gold);
}
.chapter-block { margin-bottom: var(--space); scroll-margin-top: 100px; }
.chapter-block:last-child { margin-bottom: 0; }
.chapter-head { display: flex; align-items: center; gap: 18px; margin-bottom: 36px; }
.chapter-number {
  font-size: 42px; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.chapter-head h2 { font-size: 34px; font-weight: 700; line-height: 1.3; }
.chapter-head .sub { margin-left: auto; font-size: 13px; color: var(--text-3); letter-spacing: 1px; }
.chapter-lead { font-size: 17px; color: var(--text-2); margin-bottom: 24px; }
.chapter-lead strong { color: var(--text); font-weight: 600; }
.text-block p { margin-bottom: 18px; color: var(--text-2); }
.text-block p strong { color: var(--text); }
.data-panel {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; margin: 36px 0;
}
.data-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.data-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}
.data-card .num {
  font-size: 36px; font-weight: 800; color: var(--gold);
  font-variant-numeric: tabular-nums; line-height: 1.2;
}
.data-card .label { font-size: 13px; color: var(--text-2); margin-top: 10px; }
.business-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.biz-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.biz-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}
.biz-card .biz-img { width: 100%; height: 190px; object-fit: cover; background: var(--surface); }
.biz-card .biz-body { padding: 26px 24px 28px; }
.biz-card .biz-tag {
  display: inline-block;
  background: rgba(123,75,255,.12);
  color: #A78BFF;
  font-size: 12px; padding: 4px 14px;
  border-radius: 999px; margin-bottom: 14px;
  letter-spacing: .5px;
}
.biz-card h3 { font-size: 21px; font-weight: 700; margin-bottom: 10px; }
.biz-card p { color: var(--text-2); font-size: 14px; line-height: 1.8; }
.feature-rows { display: flex; flex-direction: column; gap: 48px; }
.feature-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; align-items: center;
}
.feature-row .feature-img { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.feature-img img { width: 100%; height: 260px; object-fit: cover; }
.feature-body h3 { font-size: 24px; font-weight: 700; margin-bottom: 14px; }
.feature-body p { color: var(--text-2); font-size: 15px; margin-bottom: 16px; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(201,160,99,.1);
  border: 1px solid rgba(201,160,99,.24);
  color: var(--gold-light);
  font-size: 13px; padding: 4px 14px;
  border-radius: 999px;
}
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 28px; counter-reset: step; }
.step-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 22px 24px;
  position: relative;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}
.step-card::before {
  counter-increment: step;
  content: '0' counter(step);
  position: absolute; top: 22px; right: 20px;
  font-size: 34px; font-weight: 800;
  color: rgba(201,160,99,.18);
  font-variant-numeric: tabular-nums;
}
.step-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; padding-right: 40px; }
.step-card p { font-size: 14px; color: var(--text-2); }
.faq-wrap { max-width: 900px; }
.faq-list { margin: 0; background: transparent; border: 0; }
.faq-list .accordion-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color .3s ease;
}
.faq-list .accordion-item:hover { border-color: var(--border-hover); }
.faq-list .accordion-title {
  background: transparent !important;
  border: 0 !important;
  color: var(--text) !important;
  font-size: 17px !important;
  font-weight: 600;
  padding: 22px 26px !important;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin: 0;
  line-height: 1.5;
}
.faq-list .accordion-title::after {
  content: '+';
  font-size: 24px;
  font-weight: 400;
  color: var(--gold);
  transform: rotate(0deg);
  transition: transform .3s ease;
  line-height: 1;
  margin-left: 16px;
  flex-shrink: 0;
}
.faq-list .accordion-title[aria-expanded="true"]::after { transform: rotate(45deg); }
.faq-list .accordion-content {
  background: rgba(201,160,99,.06) !important;
  border: 0 !important;
  padding: 4px 26px 24px !important;
}
.faq-list .accordion-content p { color: var(--text-2); font-size: 15px; margin-bottom: 0; }
.cta-banner {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(rgba(11,14,20,.78), rgba(11,14,20,.86)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  text-align: center;
}
.cta-inner h2 { font-size: 40px; font-weight: 700; color: #fff; margin-bottom: 14px; }
.cta-inner h2 span { color: var(--gold); }
.cta-inner p { color: var(--text-2); max-width: 620px; margin: 0 auto 36px; font-size: 16px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600; font-size: 16px;
  border: none; cursor: pointer;
  font-family: inherit;
  transition: all .3s ease;
}
.btn i { font-size: 15px; }
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1A1205;
  box-shadow: 0 4px 16px rgba(201,160,99,.25);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: #1A1205;
  box-shadow: 0 0 18px rgba(201,160,99,.35);
  transform: translateY(-1px);
}
.btn-gold:active { transform: scale(.98); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 13px 30px;
}
.btn-outline:hover {
  background: rgba(201,160,99,.1);
  color: var(--gold-light);
  border-color: var(--gold-light);
}
.btn-outline:active { transform: scale(.98); }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.site-footer { background: var(--footer-bg); border-top: 1px solid rgba(201,160,99,.18); padding-top: 64px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand p { margin-top: 14px; color: var(--text-2); font-size: 14px; line-height: 1.9; max-width: 320px; }
.footer-col h4 {
  color: #fff; font-size: 16px; font-weight: 600;
  margin-bottom: 18px; position: relative; padding-bottom: 8px;
}
.footer-col h4::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 24px; height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { color: var(--text-2); font-size: 14px; }
.footer-col a:hover { color: var(--gold-light); }
.footer-contact li { color: var(--text-2); font-size: 14px; display: flex; align-items: flex-start; gap: 10px; }
.footer-contact i { color: var(--gold); width: 16px; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(201,160,99,.12);
  padding: 20px 0; text-align: center;
  color: var(--text-3); font-size: 13px;
}
@media (max-width: 1023.98px) {
  .desktop-nav { display: none !important; }
  .header-inner > .brand { display: none; }
  .site-header { height: 56px; }
  .mobile-top {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; height: 100%;
  }
  .mobile-top .brand { display: inline-flex; }
  .mobile-top .brand .brand-logo { width: 34px; height: 34px; font-size: 14px; }
  .mobile-top .brand .brand-name { font-size: 19px; }
  .cat-hero { min-height: 420px; padding: 120px 0 56px; }
  .cat-hero h1 { font-size: 36px; }
  .cat-hero .lead { font-size: 16px; }
  .cat-layout { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; }
  .chapter-nav {
    position: static;
    display: flex; gap: 8px; overflow-x: auto;
    background: transparent; border: none; padding: 0;
    margin-bottom: 40px;
  }
  .chapter-nav .nav-title { display: none; }
  .chapter-nav a {
    flex-shrink: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 10px 18px;
    border-left: 0;
    white-space: nowrap;
  }
  .chapter-nav a::before { display: none; }
  .chapter-nav a.active { border-color: var(--gold); background: rgba(201,160,99,.12); }
  .data-panel { grid-template-columns: repeat(2, 1fr); }
  .chapter-head h2 { font-size: 28px; }
  .mobile-tabbar {
    display: block;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 110;
    height: 62px;
    background: rgba(8,10,15,.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(201,160,99,.2);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .tab-list { display: flex; height: 100%; }
  .tab-link {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 3px;
    color: var(--text-2);
    font-size: 11px;
    position: relative;
  }
  .tab-link i { font-size: 18px; }
  .tab-link.active { color: var(--gold); }
  .tab-link.active::before {
    content: ''; position: absolute; top: 0;
    left: 18%; right: 18%; height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--gold-dark));
    border-radius: 0 0 4px 4px;
  }
  body { padding-bottom: 62px; }
}
@media (max-width: 767.98px) {
  .business-grid { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 24px; }
  .feature-row .feature-img img { height: 200px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .step-card { padding: 24px 18px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .cta-inner h2 { font-size: 30px; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .chapter-block { margin-bottom: 64px; }
  .chapter-head { gap: 12px; margin-bottom: 24px; }
  .chapter-number { font-size: 32px; }
  .chapter-head .sub { display: none; }
  .data-card .num { font-size: 28px; }
}
@media (max-width: 519.98px) {
  .steps-grid { grid-template-columns: 1fr; }
  .cat-hero { min-height: 380px; padding-top: 100px; }
  .cat-hero h1 { font-size: 29px; }
  .hero-badges { gap: 10px; }
  .hero-badge { font-size: 12px; padding: 6px 14px; }
  .hero-badge b { font-size: 15px; }
  .brand-name { font-size: 16px; }
  .mobile-top .brand .brand-name { font-size: 17px; }
  .mobile-top .countdown-btn { font-size: 13px !important; padding: 7px 14px !important; }
}

/* roulang page: category2 */
:root {
            --bg-main: #0B0E14;
            --bg-card: #151B26;
            --bg-input: #1A2230;
            --bg-footer: #080A0F;
            --gold: #C9A063;
            --gold-light: #DEB87B;
            --gold-dark: #A67C42;
            --gold-border: rgba(201,160,99,.22);
            --gold-border-hover: rgba(201,160,99,.38);
            --purple: #7B4BFF;
            --purple-text: #A78BFF;
            --cyan: #00E5C6;
            --text-main: #E9EEF5;
            --text-sub: #98A2B3;
            --text-dim: #6B7A8F;
            --radius-card: 14px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 10px 30px rgba(0,0,0,.35);
            --shadow-card-hover: 0 16px 40px rgba(0,0,0,.5);
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
            --font-num: "Inter", "DIN Alternate", "Helvetica Neue", sans-serif;
        }

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

        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-main);
            color: var(--text-main);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            padding-bottom: 64px;
        }

        @media (min-width: 1024px) {
            body { padding-bottom: 0; }
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

        a:hover { color: var(--gold-light); }

        h1, h2, h3, h4 {
            margin: 0 0 .35em;
            color: #fff;
            font-weight: 700;
            line-height: 1.3;
        }

        h1 { font-size: clamp(40px, 6vw, 72px); letter-spacing: .02em; }
        h2 { font-size: clamp(28px, 4vw, 40px); }
        h3 { font-size: clamp(20px, 2.5vw, 28px); }
        p { margin: 0 0 1em; }
        ul, ol { margin: 0; padding: 0; list-style: none; }

        input, select, textarea, button {
            font-family: inherit;
            font-size: 15px;
            outline: none;
        }

        ::placeholder { color: var(--text-dim); }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section { padding: 56px 0; }

        @media (min-width: 640px) {
            .section { padding: 72px 0; }
        }

        @media (min-width: 1024px) {
            .section { padding: 96px 0; }
        }

        .section-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 40px;
        }

        .section-head::before {
            content: '';
            width: 3px;
            height: 20px;
            border-radius: 1px;
            background: linear-gradient(180deg, var(--gold-light), var(--gold-dark));
            flex-shrink: 0;
        }

        .section-head h2 {
            margin: 0;
        }

        .section-head .en-text {
            font-size: 12px;
            color: var(--text-dim);
            letter-spacing: .2em;
            text-transform: uppercase;
            margin-top: 6px;
        }

        @media (max-width: 639px) {
            .section-head { margin-bottom: 28px; }
            .section-head .en-text { display: none; }
        }

        /* Buttons */
        .btn-primary, .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all .25s ease;
            text-align: center;
            white-space: nowrap;
            line-height: 1.2;
        }

        .btn-primary {
            background: linear-gradient(135deg, #C9A063, #A67C42);
            color: #1A1205 !important;
            border: none;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #DEB87B, #C9A063);
            box-shadow: 0 0 18px rgba(201,160,99,.35);
            transform: translateY(-1px);
            color: #1A1205 !important;
        }

        .btn-primary:active { transform: scale(.98); }

        .btn-primary.disabled,
        .btn-primary:disabled {
            opacity: .5;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--gold);
            border: 1px solid rgba(201,160,99,.55);
            font-weight: 600;
        }

        .btn-secondary:hover {
            background: rgba(201,160,99,.1);
            color: var(--gold-light);
        }

        .btn-secondary:active { transform: scale(.98); }

        /* Tags & Badge */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(123,75,255,.12);
            color: var(--purple-text);
            border-radius: var(--radius-tag);
            font-size: 13px;
            line-height: 1.5;
        }

        .tag-gold {
            background: rgba(201,160,99,.14);
            color: var(--gold);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 3px 12px;
            background: rgba(0,229,198,.1);
            color: var(--cyan);
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 600;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(11,14,20,.9);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(201,160,99,.12);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 34px;
            height: 34px;
            padding: 0 8px;
            background: rgba(201,160,99,.18);
            border: 1px solid rgba(201,160,99,.45);
            border-radius: 8px;
            color: #E9C37E;
            font-weight: 800;
            font-size: 17px;
            letter-spacing: .02em;
            line-height: 1;
        }

        .brand-name {
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: .04em;
            line-height: 1.2;
        }

        .brand-name span { color: var(--gold); }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 36px;
        }

        .desktop-nav > a {
            position: relative;
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 500;
            padding: 28px 0;
            transition: color .25s ease;
        }

        .desktop-nav > a::after {
            content: '';
            position: absolute;
            bottom: 18px;
            left: 0;
            width: 100%;
            height: 2px;
            border-radius: 1px;
            background: linear-gradient(90deg, var(--gold-light), var(--gold-dark));
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .3s ease;
        }

        .desktop-nav > a:hover,
        .desktop-nav > a.active { color: #fff; }

        .desktop-nav > a:hover::after,
        .desktop-nav > a.active::after { transform: scaleX(1); }

        .desktop-nav .nav-cta {
            padding: 10px 22px;
            background: linear-gradient(135deg, #C9A063, #A67C42);
            color: #1A1205;
            border-radius: 8px;
            font-weight: 700;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s ease;
        }

        .desktop-nav .nav-cta::after { display: none; }

        .desktop-nav .nav-cta:hover {
            background: linear-gradient(135deg, #DEB87B, #C9A063);
            box-shadow: 0 0 14px rgba(201,160,99,.35);
            transform: translateY(-1px);
            color: #1A1205;
        }

        .mobile-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .mobile-top .btn-primary {
            padding: 6px 16px;
            font-size: 13px;
            border-radius: 6px;
        }

        @media (min-width: 1024px) {
            .site-header { height: 72px; }
            .desktop-nav { display: flex; }
            .mobile-top { display: none; }
        }

        @media (max-width: 1023px) {
            .site-header { height: 56px; }
            .desktop-nav { display: none; }
        }

        /* Mobile Bottom Nav */
        .mobile-bottom-nav {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            padding-bottom: env(safe-area-inset-bottom);
            background: rgba(8,10,15,.96);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-top: 1px solid rgba(201,160,99,.18);
            z-index: 1200;
        }

        .mobile-bottom-nav .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: var(--text-dim);
            font-size: 11px;
            font-weight: 500;
            border-top: 2px solid transparent;
            transition: all .2s ease;
            padding-top: 2px;
        }

        .mobile-bottom-nav .tab-item svg {
            width: 20px;
            height: 20px;
        }

        .mobile-bottom-nav .tab-item:hover {
            color: var(--gold);
            background: rgba(201,160,99,.04);
        }

        .mobile-bottom-nav .tab-item.active {
            color: var(--gold);
            border-top-color: var(--gold);
            background: rgba(201,160,99,.06);
        }

        @media (min-width: 1024px) {
            .mobile-bottom-nav { display: none; }
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 96px 0 60px;
            margin-top: 56px;
            text-align: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,14,20,.72) 0%, rgba(11,14,20,.42) 55%, rgba(11,14,20,.96) 100%);
        }

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

        .hero-banner .badge-topic {
            display: inline-block;
            margin-bottom: 18px;
            padding: 5px 18px;
            background: rgba(201,160,99,.14);
            border: 1px solid rgba(201,160,99,.3);
            border-radius: 999px;
            color: var(--gold);
            font-size: 13px;
            letter-spacing: .1em;
        }

        .hero-banner h1 {
            font-size: clamp(36px, 5.5vw, 66px);
            line-height: 1.15;
            max-width: 980px;
            margin: 0 auto .2em;
        }

        .hero-banner h1 .gold-text {
            background: linear-gradient(135deg, #E6C584, #C9A063, #A67C42);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-banner .hero-sub {
            max-width: 640px;
            margin: 0 auto 32px;
            color: var(--text-sub);
            font-size: 16px;
            line-height: 1.8;
        }

        @media (min-width: 640px) {
            .hero-banner .hero-sub { font-size: 18px; }
        }

        .hero-banner .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .hero-mini-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            justify-content: center;
            margin-top: 48px;
        }

        .hero-mini-stats .mini-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 18px;
            background: rgba(21,27,38,.72);
            border: 1px solid rgba(201,160,99,.2);
            border-radius: 10px;
            backdrop-filter: blur(6px);
        }

        .hero-mini-stats .mini-num {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            color: var(--gold);
        }

        .hero-mini-stats .mini-label {
            font-size: 12px;
            color: var(--text-sub);
        }

        @media (max-width: 639px) {
            .hero-banner { min-height: 480px; }
            .hero-banner .hero-actions { gap: 12px; }
            .hero-banner .btn-primary,
            .hero-banner .btn-secondary { padding: 11px 22px; font-size: 14px; }
            .hero-mini-stats { margin-top: 32px; gap: 10px; }
            .hero-mini-stats .mini-stat { padding: 8px 14px; }
        }

        @media (min-width: 1024px) {
            .hero-banner { min-height: 640px; margin-top: 72px; }
        }

        /* Stats Panel */
        .stats-section {
            padding-top: 56px;
            background: linear-gradient(180deg, rgba(21,27,38,.35), transparent 30%);
        }

        .stats-grid {
            row-gap: 20px;
        }

        .stats-card {
            height: 100%;
            padding: 24px 22px;
            background: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .stats-card:hover {
            transform: translateY(-4px);
            border-color: var(--gold-border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .stats-card .stats-icon {
            width: 44px;
            height: 44px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(201,160,99,.1);
            color: var(--gold);
            font-size: 20px;
        }

        .stats-card .stats-num {
            font-family: var(--font-num);
            font-size: clamp(28px, 3vw, 36px);
            font-weight: 700;
            line-height: 1.1;
            color: #fff;
        }

        .stats-card .stats-label {
            margin-top: 8px;
            font-size: 14px;
            color: var(--text-sub);
        }

        /* Timeline */
        .timeline-section {
            background: linear-gradient(180deg, rgba(21,27,38,.2), rgba(8,10,15,.1));
        }

        .timeline {
            position: relative;
            padding: 30px 0 10px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 18px;
            width: 2px;
            background: linear-gradient(180deg, transparent, rgba(201,160,99,.45) 8%, var(--gold) 50%, rgba(201,160,99,.35) 92%, transparent);
        }

        .timeline-item {
            position: relative;
            padding-left: 52px;
            margin-bottom: 40px;
        }

        .timeline-item:last-child { margin-bottom: 0; }

        .timeline-dot {
            position: absolute;
            top: 24px;
            left: 11px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-main);
            border: 3px solid var(--gold);
            box-shadow: 0 0 0 4px rgba(201,160,99,.15), 0 0 12px rgba(201,160,99,.3);
            z-index: 2;
        }

        .timeline-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .timeline-card:hover {
            transform: translateY(-4px);
            border-color: var(--gold-border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .timeline-badge {
            display: inline-block;
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 999px;
            background: rgba(123,75,255,.12);
            color: var(--purple-text);
            margin-bottom: 10px;
            font-weight: 600;
        }

        .timeline-badge.gold {
            background: rgba(201,160,99,.14);
            color: var(--gold);
        }

        .timeline-card h3 {
            font-size: 20px;
            margin-bottom: 6px;
        }

        .timeline-card p {
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 6px;
        }

        .timeline-card .timeline-img {
            margin-top: 14px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid rgba(201,160,99,.16);
        }

        .timeline-card .timeline-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        @media (min-width: 1024px) {
            .timeline { padding: 20px 0; }
            .timeline::before { left: 50%; transform: translateX(-1px); }

            .timeline-item {
                width: 50%;
                padding-left: 0;
                padding-right: 56px;
                text-align: right;
            }

            .timeline-item:nth-child(even) {
                margin-left: 50%;
                padding-right: 0;
                padding-left: 56px;
                text-align: left;
            }

            .timeline-dot {
                left: auto;
                right: -8px;
            }

            .timeline-item:nth-child(even) .timeline-dot {
                right: auto;
                left: -8px;
            }

            .timeline-card {
                padding: 28px;
            }
        }

        /* Feature Block */
        .feature-block {
            background: linear-gradient(135deg, rgba(123,75,255,.06), rgba(0,229,198,.04));
            border: 1px solid var(--gold-border);
            border-radius: 16px;
            overflow: hidden;
        }

        .feature-block .feature-media {
            height: 100%;
            min-height: 220px;
            overflow: hidden;
        }

        .feature-block .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            max-height: 360px;
        }

        .feature-block .feature-content {
            padding: 32px 28px;
        }

        .feature-block .feature-content .tag { margin-bottom: 14px; }

        .feature-block .feature-content h3 {
            font-size: clamp(22px, 2.6vw, 30px);
            margin-bottom: 12px;
        }

        .feature-block .feature-content p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.8;
        }

        .feature-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin: 18px 0 22px;
        }

        .feature-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-sub);
        }

        .feature-meta i {
            color: var(--gold);
            font-size: 14px;
        }

        .feature-progress {
            margin: 16px 0 20px;
        }

        .feature-progress .progress-head {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 6px;
        }

        .progress-track {
            height: 6px;
            border-radius: 3px;
            background: rgba(255,255,255,.08);
            overflow: hidden;
        }

        .progress-track .progress-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, rgba(0,229,198,.4), var(--cyan));
        }

        @media (max-width: 639px) {
            .feature-block .feature-content { padding: 24px 18px; }
            .feature-meta { flex-direction: column; gap: 8px; }
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 36px;
        }

        .step-card {
            position: relative;
            padding: 28px 24px 24px;
            background: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .step-card:hover {
            transform: translateY(-4px);
            border-color: var(--gold-border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .step-card .step-num {
            position: absolute;
            top: -14px;
            left: 24px;
            min-width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #C9A063, #A67C42);
            color: #1A1205;
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 15px;
            border-radius: 8px;
        }

        .step-card .step-icon {
            width: 40px;
            height: 40px;
            margin: 4px 0 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(123,75,255,.1);
            color: var(--purple-text);
            border-radius: 10px;
            font-size: 18px;
        }

        .step-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .step-card p {
            color: var(--text-sub);
            font-size: 14px;
            margin-bottom: 0;
        }

        @media (min-width: 640px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(4, 1fr);
                grid-template-rows: auto auto;
            }

            .steps-grid .step-card:nth-child(odd) {
                transform: translateY(20px);
            }

            .steps-grid .step-card:nth-child(odd):hover {
                transform: translateY(16px);
            }
        }

        /* FAQ */
        .faq-section {
            background: linear-gradient(180deg, rgba(21,27,38,.18), transparent);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .faq-quick-list {
            margin-bottom: 28px;
        }

        .faq-quick-list h3 {
            font-size: 20px;
            margin-bottom: 16px;
        }

        .faq-quick-list .quick-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 18px;
            background: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-left: 3px solid var(--gold);
            border-radius: 8px;
            margin-bottom: 12px;
            transition: border-color .3s ease, transform .3s ease;
        }

        .faq-quick-list .quick-item:hover {
            border-color: var(--gold-border-hover);
            transform: translateX(4px);
        }

        .faq-quick-list .quick-item .quick-index {
            font-family: var(--font-num);
            font-size: 18px;
            color: var(--gold);
            font-weight: 700;
            line-height: 1.4;
        }

        .faq-quick-list .quick-item p {
            color: var(--text-sub);
            font-size: 14px;
            margin: 0;
        }

        .accordion {
            background: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .accordion-item {
            background: transparent;
            border-bottom: 1px solid rgba(201,160,99,.1);
        }

        .accordion-item:last-child { border-bottom: none; }

        .accordion-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            padding: 18px 48px 18px 22px;
            background: transparent;
            border: none;
            position: relative;
            transition: background .25s ease, color .25s ease;
            line-height: 1.4;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: rgba(201,160,99,.05);
            color: var(--gold);
        }

        .accordion-title::before,
        .accordion-title::after {
            content: '';
            position: absolute;
            top: 50%;
            right: 24px;
            width: 12px;
            height: 2px;
            background: var(--gold);
            transition: transform .3s ease;
        }

        .accordion-title::after {
            transform: rotate(90deg);
        }

        .accordion-item.is-active > .accordion-title::after {
            transform: rotate(0deg);
        }

        .accordion-content {
            background: rgba(201,160,99,.05);
            border: none;
            padding: 4px 22px 20px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
            border-top: 1px solid rgba(201,160,99,.08);
        }

        @media (min-width: 1024px) {
            .faq-layout {
                grid-template-columns: 5fr 7fr;
                gap: 48px;
            }
        }

        /* Signup CTA */
        .signup-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            padding: 80px 0;
            overflow: hidden;
        }

        .signup-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8,10,15,.88);
        }

        .signup-section .container {
            position: relative;
            z-index: 2;
        }

        .signup-info h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            margin-bottom: 14px;
        }

        .signup-info > p {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 470px;
            line-height: 1.8;
        }

        .signup-points {
            margin-top: 24px;
        }

        .signup-points li {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-sub);
            font-size: 14px;
            margin-bottom: 12px;
        }

        .signup-points i {
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(201,160,99,.14);
            color: var(--gold);
            border-radius: 50%;
            font-size: 11px;
        }

        .signup-form-wrap {
            background: rgba(21,27,38,.92);
            border: 1px solid var(--gold-border);
            border-radius: 16px;
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .signup-form .form-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .signup-form .form-desc {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 22px;
        }

        .signup-form input,
        .signup-form select {
            width: 100%;
            height: 46px;
            padding: 0 16px;
            margin-bottom: 14px;
            background: var(--bg-input);
            border: 1px solid rgba(255,255,255,.08);
            border-radius: var(--radius-input);
            color: var(--text-main);
            transition: border-color .3s ease, box-shadow .3s ease;
            -webkit-appearance: none;
            appearance: none;
        }

        .signup-form select {
            background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%2398A2B3' stroke-width='2' fill='none' stroke-linecap='round'/></svg>");
            background-repeat: no-repeat;
            background-position: right 16px center;
            cursor: pointer;
        }

        .signup-form input:focus,
        .signup-form select:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201,160,99,.12);
        }

        .signup-form input.error,
        .signup-form select.error {
            border-color: #E5574A;
        }

        .signup-form .btn-primary {
            width: 100%;
            height: 46px;
            margin-top: 4px;
        }

        .form-alert {
            display: none;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 13px;
            margin-top: 12px;
            line-height: 1.6;
        }

        .form-alert.success {
            background: rgba(0,229,198,.1);
            border: 1px solid rgba(0,229,198,.3);
            color: var(--cyan);
        }

        .form-alert.error {
            background: rgba(229,87,74,.1);
            border: 1px solid rgba(229,87,74,.3);
            color: #FF7B70;
        }

        @media (max-width: 639px) {
            .signup-section { padding: 56px 0; }
            .signup-form-wrap { padding: 22px 18px; }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            border-top: 1px solid rgba(201,160,99,.22);
            padding: 56px 0 100px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            margin-top: 14px;
            color: var(--text-sub);
            font-size: 14px;
            max-width: 320px;
            line-height: 1.8;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-sub);
            font-size: 14px;
            transition: color .25s ease, padding-left .25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        .footer-contact i {
            width: 18px;
            color: var(--gold);
            text-align: center;
            margin-right: 8px;
            font-size: 14px;
        }

        .footer-contact span {
            font-size: 14px;
            color: var(--text-sub);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.06);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-dim);
            margin: 0;
            line-height: 1.6;
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 32px;
            }
        }

        @media (min-width: 1024px) {
            .site-footer { padding: 64px 0 0; }
            .footer-grid {
                grid-template-columns: 4fr 2fr 3fr 3fr;
                gap: 40px;
                margin-bottom: 48px;
            }
        }

        /* Grid utility for Foundation custom */
        .row { max-width: 1200px; }
        .row .row { max-width: none; }
        .columns { padding-left: 12px; padding-right: 12px; }
        .row > .columns { margin-bottom: 16px; }
        .row > .columns:last-child { margin-bottom: 0; }

        @media (max-width: 639px) {
            .row > .columns, .row > .columns:last-child { margin-bottom: 16px; }
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }