:root {
    --bg: #080808;
    --bg-soft: #101010;
    --bg-warm: #15120B;
    --card: #141414;
    --gold: #F7D27A;
    --gold-deep: #D9A84A;
    --gold-dark: #A87420;
    --text: #F4F0E8;
    --text-soft: #C9BFA9;
    --text-muted: #9F9278;
    --line: rgba(247,210,122,.16);
    --shadow: 0 18px 42px rgba(0,0,0,.45);
    --header-height: 72px;
    --channel-height: 54px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    background: rgba(8,8,8,.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(247,210,122,.14);
}
.header-main { height: var(--header-height); }
.header-inner {
    height: 100%;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
}
.logo-text {
    display: inline-flex;
    align-items: center;
    font-size: 30px;
    font-weight: 900;
    letter-spacing: 2px;
    white-space: nowrap;
    color: #F7D27A;
    background: linear-gradient(180deg, #FFF3B0 0%, #F7D27A 45%, #C8932E 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 12px rgba(247,210,122,.55), 0 0 28px rgba(200,147,46,.35);
}
.nav-core {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 0;
    white-space: nowrap;
    flex-wrap: nowrap;
}
.nav-core a {
    color: var(--text);
    padding: 9px 11px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    transition: .25s ease;
}
.nav-core a:hover, .nav-core a.active {
    color: var(--gold);
    background: rgba(247,210,122,.1);
    box-shadow: 0 0 18px rgba(247,210,122,.14);
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 24px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(180deg, #FFF3B0 0%, #D9A84A 52%, #A87420 100%);
    color: #111;
    font-weight: 900;
    box-shadow: 0 12px 28px rgba(247,210,122,.22);
    transition: transform .25s ease, box-shadow .25s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(247,210,122,.3); }
.header-register { min-width: 86px; padding-inline: 20px; }
.channel-nav {
    height: var(--channel-height);
    background: rgba(16,16,16,.94);
    border-top: 1px solid rgba(247,210,122,.06);
    border-bottom: 1px solid rgba(247,210,122,.12);
    overflow: hidden;
}
.channel-scroll {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: thin;
    overscroll-behavior-inline: contain;
}
.channel-scroll::-webkit-scrollbar { height: 4px; }
.channel-scroll::-webkit-scrollbar-thumb { background: rgba(247,210,122,.22); border-radius: 99px; }
.channel-nav a {
    flex: 0 0 auto;
    color: var(--text-soft);
    border: 1px solid rgba(247,210,122,.12);
    border-radius: 999px;
    padding: 5px 12px;
    font-size: 14px;
    transition: .25s ease;
}
.channel-nav a:hover, .channel-nav a.active {
    color: var(--gold);
    border-color: rgba(247,210,122,.42);
    background: rgba(247,210,122,.08);
}
.menu-toggle { display: none; }
.site-main { padding-top: calc(var(--header-height) + var(--channel-height)); }

.hero-banner {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 15%, rgba(247,210,122,.16), transparent 34%),
        linear-gradient(180deg, #0d0c09 0%, #080808 100%);
    border-bottom: 1px solid var(--line);
}
.hero-grid {
    min-height: 570px;
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
    align-items: center;
    gap: 52px;
    padding-block: 64px;
}
.hero-copy h1, .inner-hero h1 {
    margin: 14px 0 18px;
    max-width: 760px;
    color: var(--gold);
    font-size: clamp(38px, 5vw, 68px);
    line-height: 1.14;
    letter-spacing: -.03em;
    text-shadow: 0 0 24px rgba(247,210,122,.28);
}
.hero-copy p, .inner-hero-copy > p {
    margin: 0;
    color: var(--text-soft);
    font-size: 18px;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold-deep);
    font-weight: 800;
    letter-spacing: .08em;
    font-size: 13px;
    text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; box-shadow: 0 0 10px currentColor; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 22px;
    border: 1px solid rgba(247,210,122,.28);
    border-radius: 999px;
    color: var(--gold);
    background: rgba(247,210,122,.05);
}
.hero-media, .inner-hero-media {
    margin: 0;
    padding: 18px;
    border-radius: 28px;
    border: 1px solid var(--line);
    background: linear-gradient(145deg, rgba(247,210,122,.09), rgba(255,255,255,.02));
    box-shadow: var(--shadow), 0 0 30px rgba(247,210,122,.08);
}
.hero-media img { width: 100%; max-height: 380px; object-fit: contain; border-radius: 18px; }

.section { padding: 84px 0; }
.section-muted {
    background: linear-gradient(180deg, rgba(21,18,11,.72), rgba(16,16,16,.86));
    border-block: 1px solid rgba(247,210,122,.08);
}
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading h2, .split-panel h2, .compliance-panel h2 {
    margin: 10px 0 12px;
    color: var(--gold);
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.25;
    text-shadow: 0 0 20px rgba(247,210,122,.18);
}
.section-heading p, .split-panel > p { margin: 0; color: var(--text-soft); }

.split-panel {
    display: grid;
    grid-template-columns: minmax(280px, .85fr) minmax(0, 1.15fr);
    gap: 52px;
    align-items: start;
    padding: 40px;
    border-radius: 24px;
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.feature-grid, .quick-grid, .review-grid, .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}
.feature-card, .quick-card, .review-card, .step-card, .zone-card, .info-card {
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    border-radius: 18px;
}
.feature-card, .quick-card, .step-card { padding: 24px; }
.number-tag {
    display: inline-flex;
    color: var(--gold-deep);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .12em;
}
.feature-card h3, .quick-card h3, .step-card h3, .zone-card h3, .info-card h3 {
    margin: 12px 0 8px;
    color: var(--text);
    font-size: 20px;
}
.feature-card p, .quick-card p, .step-card p, .zone-card p, .info-card p { margin: 0; color: var(--text-soft); }
.text-link { display: inline-flex; margin-top: 16px; color: var(--gold); font-weight: 800; }
.text-link::after { content: "→"; margin-left: 6px; }

.image-copy-grid {
    display: grid;
    grid-template-columns: minmax(360px, .95fr) minmax(0, 1.05fr);
    gap: 44px;
    align-items: center;
}
.image-copy-grid.reverse { grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); }
.image-copy-grid.reverse .content-img { order: 2; }
.content-img {
    width: 100%;
    max-height: 310px;
    object-fit: contain;
    padding: 16px;
    border-radius: 22px;
    background: #101010;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.copy-panel h2 { color: var(--gold); font-size: clamp(28px, 3.5vw, 42px); line-height: 1.28; margin: 8px 0 16px; }
.copy-panel p { color: var(--text-soft); margin: 0 0 16px; }
.copy-points { display: grid; gap: 10px; margin-top: 22px; }
.copy-points div { padding: 13px 16px; border-left: 2px solid var(--gold-deep); background: rgba(247,210,122,.04); color: var(--text-soft); }

.zone-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; height: 188px; object-fit: contain; background: #0d0d0d; padding: 10px; }
.zone-card .zone-body { padding: 20px; }

.announcement-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.info-card { padding: 28px; }
.info-card ul { margin: 14px 0 0; padding-left: 20px; color: var(--text-soft); }
.info-card li + li { margin-top: 8px; }
.review-card { margin: 0; padding: 24px; }
.review-card p { margin: 0; color: var(--text-soft); }
.review-card footer { margin-top: 16px; color: var(--gold-deep); font-weight: 800; }
.review-card footer::before { content: "— "; }

.faq-list { display: grid; gap: 12px; }
.faq-list details {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 0 20px;
}
.faq-list summary { cursor: pointer; list-style: none; padding: 19px 36px 19px 0; color: var(--text); font-weight: 800; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 15px; color: var(--gold); font-size: 24px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 0 20px; color: var(--text-soft); }

.inner-hero {
    background:
        radial-gradient(circle at 16% 10%, rgba(247,210,122,.14), transparent 36%),
        linear-gradient(180deg, #0f0e0b 0%, #080808 100%);
    border-bottom: 1px solid var(--line);
}
.inner-hero-grid {
    min-height: 470px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
    align-items: center;
    gap: 48px;
    padding-block: 58px;
}
.inner-hero-grid.no-image { grid-template-columns: 1fr; min-height: 390px; }
.inner-hero-media img { width: 100%; max-height: 300px; object-fit: contain; border-radius: 16px; }
.content-list { display: grid; gap: 14px; }
.content-row {
    display: grid;
    grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr);
    gap: 34px;
    align-items: start;
    padding: 24px;
    border-radius: 18px;
    background: var(--card);
    border: 1px solid var(--line);
}
.content-row-title { display: flex; align-items: flex-start; gap: 12px; }
.content-row-title h3 { margin: 0; color: var(--gold); font-size: 20px; }
.content-row p { margin: 0; color: var(--text-soft); }
.dot { flex: 0 0 auto; width: 9px; height: 9px; margin-top: 11px; border-radius: 50%; background: var(--gold-deep); box-shadow: 0 0 12px rgba(247,210,122,.5); }
.steps-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.step-card > span {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(247,210,122,.1);
    color: var(--gold);
    border: 1px solid rgba(247,210,122,.28);
    font-weight: 900;
}
.section-compliance { padding-top: 36px; }
.compliance-panel {
    display: grid;
    grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr);
    gap: 46px;
    padding: 34px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(21,18,11,.98), rgba(14,14,14,.98));
    border: 1px solid rgba(247,210,122,.22);
    box-shadow: var(--shadow);
}
.compliance-copy p { margin: 0; color: var(--text-soft); }
.compliance-copy p + p { margin-top: 12px; }

.site-footer { background: #050505; color: var(--text-soft); border-top: 1px solid rgba(247,210,122,.12); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.35fr; gap: 36px; padding-block: 56px; }
.footer-brand p { max-width: 440px; margin: 16px 0 0; }
.site-footer h2 { margin: 0 0 14px; color: var(--gold); font-size: 16px; }
.site-footer a:not(.logo-text) { display: block; margin: 7px 0; color: var(--text-soft); }
.site-footer a:hover { color: var(--gold); }
.footer-notice p { margin: 0; }
.footer-bottom { border-top: 1px solid rgba(247,210,122,.08); padding: 18px 0; color: var(--text-muted); font-size: 14px; }
.mobile-bottom-nav { display: none; }
.mobile-drawer, .drawer-overlay { display: none; }

@media (max-width: 1080px) {
    .container { width: min(100% - 30px, 1040px); }
    .header-inner { gap: 16px; }
    .nav-core { gap: 1px; }
    .nav-core a { padding-inline: 8px; font-size: 14px; }
    .hero-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .zone-grid, .feature-grid, .quick-grid, .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-notice { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
    :root { --header-height: 64px; --channel-height: 0px; }
    .container { width: min(100% - 24px, 760px); }
    .header-inner { grid-template-columns: 44px minmax(0, 1fr) auto; gap: 8px; }
    .header-inner .logo-text { justify-self: center; font-size: 25px; }
    .nav-core, .channel-nav { display: none; }
    .menu-toggle {
        display: inline-flex;
        width: 42px;
        height: 42px;
        padding: 0;
        border: 1px solid rgba(247,210,122,.2);
        border-radius: 13px;
        background: rgba(247,210,122,.05);
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
    }
    .menu-toggle span { width: 19px; height: 2px; background: var(--gold); border-radius: 3px; }
    .header-register { min-width: 72px; min-height: 40px; padding: 8px 16px; }
    .site-main { padding-top: var(--header-height); padding-bottom: 76px; }
    .hero-grid, .inner-hero-grid, .split-panel, .image-copy-grid, .image-copy-grid.reverse, .compliance-panel {
        grid-template-columns: 1fr;
    }
    .hero-grid, .inner-hero-grid { min-height: auto; padding-block: 48px; }
    .hero-media { order: -1; }
    .image-copy-grid.reverse .content-img { order: initial; }
    .hero-media img { max-height: 300px; }
    .inner-hero-media img { max-height: 260px; }
    .section { padding: 64px 0; }
    .split-panel { gap: 18px; padding: 28px; }
    .content-row { grid-template-columns: 1fr; gap: 12px; }
    .steps-grid { grid-template-columns: 1fr; }
    .announcement-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand, .footer-notice { grid-column: 1 / -1; }

    .drawer-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 1090;
        background: rgba(0,0,0,.68);
        opacity: 0;
        visibility: hidden;
        transition: .25s ease;
    }
    .mobile-drawer {
        display: flex;
        position: fixed;
        z-index: 1100;
        inset: 0 auto 0 0;
        width: min(84vw, 320px);
        background: #101010;
        border-right: 1px solid rgba(247,210,122,.18);
        box-shadow: 20px 0 50px rgba(0,0,0,.48);
        transform: translateX(-104%);
        transition: transform .28s ease;
        flex-direction: column;
    }
    .drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
    .drawer-open .mobile-drawer { transform: translateX(0); }
    .drawer-head { display: flex; align-items: center; justify-content: space-between; min-height: 70px; padding: 0 18px; border-bottom: 1px solid var(--line); }
    .drawer-logo { font-size: 25px; }
    .drawer-close { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--gold); font-size: 28px; line-height: 1; }
    .drawer-nav { padding: 14px; overflow-y: auto; }
    .drawer-nav a { display: block; padding: 12px 14px; border-radius: 12px; color: var(--text-soft); font-weight: 700; }
    .drawer-nav a:hover, .drawer-nav a.active { color: var(--gold); background: rgba(247,210,122,.08); }
    .drawer-note { margin-top: auto; padding: 18px; border-top: 1px solid var(--line); color: var(--text-muted); font-size: 13px; }
    .mobile-bottom-nav {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        position: fixed;
        z-index: 1050;
        inset: auto 0 0;
        min-height: 66px;
        padding-bottom: env(safe-area-inset-bottom);
        background: rgba(8,8,8,.96);
        border-top: 1px solid rgba(247,210,122,.18);
        backdrop-filter: blur(12px);
    }
    .mobile-bottom-nav a { display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 2px; color: var(--text-muted); font-size: 12px; }
    .mobile-bottom-nav a span { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; border: 1px solid rgba(247,210,122,.18); font-size: 11px; }
    .mobile-bottom-nav a.active { color: var(--gold); }
}

@media (max-width: 560px) {
    .container { width: calc(100% - 20px); }
    .header-inner .logo-text { font-size: 22px; letter-spacing: 1px; }
    .header-register { min-width: 66px; padding-inline: 13px; }
    .hero-copy h1, .inner-hero h1 { font-size: 36px; }
    .hero-copy p, .inner-hero-copy > p { font-size: 16px; }
    .section { padding: 52px 0; }
    .feature-grid, .quick-grid, .review-grid, .zone-grid { grid-template-columns: 1fr; }
    .hero-media, .inner-hero-media { padding: 10px; border-radius: 18px; }
    .hero-media img, .inner-hero-media img, .content-img { max-height: 230px; }
    .split-panel, .compliance-panel { padding: 22px; }
    .section-heading { margin-bottom: 26px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand, .footer-notice { grid-column: auto; }
}