:root {
    --bg: #080808;
    --bg-deep: #050505;
    --surface: #141414;
    --surface-warm: #15120b;
    --gold: #f7d27a;
    --gold-deep: #d9a84a;
    --gold-dark: #a87420;
    --text: #f4f0e8;
    --muted: #c9bfa9;
    --soft: #9f9278;
    --line: rgba(247, 210, 122, 0.16);
    --shadow: 0 18px 42px rgba(0, 0, 0, 0.45);
    --glow: 0 0 24px rgba(247, 210, 122, 0.28);
    --header-height: 72px;
    --channel-height: 54px;
    --radius: 20px;
    --max-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--bg);
}

body {
    margin: 0;
    min-width: 320px;
    background:
        radial-gradient(circle at 85% 0%, rgba(217, 168, 74, 0.09), transparent 30%),
        radial-gradient(circle at 0% 35%, rgba(247, 210, 122, 0.05), transparent 25%),
        var(--bg);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

body.drawer-open {
    overflow: hidden;
}

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

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    font: inherit;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 9999;
    padding: 10px 14px;
    color: #111;
    background: var(--gold);
    border-radius: 10px;
}

.skip-link:focus {
    top: 12px;
}

.section-shell {
    width: min(calc(100% - 40px), var(--max-width));
    margin-inline: auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    background: rgba(8, 8, 8, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(247, 210, 122, 0.14);
}

.header-main {
    width: min(calc(100% - 40px), var(--max-width));
    min-height: var(--header-height);
    margin-inline: auto;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
}

.logo-text {
    display: inline-block;
    font-size: 30px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--gold);
    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, 0.55), 0 0 28px rgba(200, 147, 46, 0.35);
    white-space: nowrap;
}

.nav-core {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 0;
    white-space: nowrap;
    flex-wrap: nowrap;
}

.nav-core a {
    color: var(--text);
    padding: 9px 11px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    transition: 0.2s ease;
}

.nav-core a:hover,
.nav-core a.active {
    color: var(--gold);
    background: rgba(247, 210, 122, 0.1);
    box-shadow: 0 0 18px rgba(247, 210, 122, 0.14);
}

.main-btn,
.ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.main-btn {
    color: #111;
    background: linear-gradient(180deg, #fff3b0 0%, #d9a84a 52%, #a87420 100%);
    box-shadow: 0 12px 28px rgba(247, 210, 122, 0.22);
}

.main-btn:hover,
.ghost-btn:hover {
    transform: translateY(-2px);
}

.header-register {
    flex: 0 0 auto;
    min-width: 86px;
}

.ghost-btn {
    color: var(--gold);
    border: 1px solid rgba(247, 210, 122, 0.35);
    background: rgba(247, 210, 122, 0.04);
}

.channel-nav {
    height: var(--channel-height);
    background: rgba(16, 16, 16, 0.94);
    border-top: 1px solid rgba(247, 210, 122, 0.05);
    border-bottom: 1px solid rgba(247, 210, 122, 0.12);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
}

.channel-nav__inner {
    width: min(calc(100% - 40px), var(--max-width));
    height: 100%;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.channel-nav a {
    color: var(--muted);
    padding: 6px 12px;
    border: 1px solid rgba(247, 210, 122, 0.12);
    border-radius: 999px;
    font-size: 13px;
    line-height: 1.3;
    transition: 0.2s ease;
}

.channel-nav a:hover,
.channel-nav a.active {
    color: var(--gold);
    border-color: rgba(247, 210, 122, 0.42);
    background: rgba(247, 210, 122, 0.08);
}

.menu-toggle,
.mobile-drawer,
.drawer-overlay {
    display: none;
}

.site-main {
    padding-top: calc(var(--header-height) + var(--channel-height) + 34px);
}

.hero-banner,
.page-hero {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 28px;
    background:
        linear-gradient(120deg, rgba(21, 18, 11, 0.96), rgba(8, 8, 8, 0.82)),
        var(--surface-warm);
    box-shadow: var(--shadow), var(--glow);
}

.hero-banner::before,
.page-hero::before {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    top: -180px;
    left: -100px;
    background: rgba(247, 210, 122, 0.06);
    filter: blur(3px);
}

.hero-banner {
    min-height: 520px;
    display: grid;
    grid-template-columns: 1.02fr 0.98fr;
    align-items: center;
    gap: 36px;
    padding: 54px;
}

.hero-banner__content,
.page-hero__content {
    position: relative;
    z-index: 2;
}

.hero-banner h1,
.page-hero h1 {
    margin: 10px 0 18px;
    color: var(--gold);
    font-size: clamp(36px, 5vw, 66px);
    line-height: 1.12;
    letter-spacing: -0.02em;
    text-shadow: 0 0 24px rgba(247, 210, 122, 0.2);
}

.hero-banner p,
.page-hero p {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.hero-banner__media,
.page-hero__media {
    position: relative;
    z-index: 1;
    margin: 0;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(247, 210, 122, 0.12);
}

.hero-banner__media img {
    width: 100%;
    height: 340px;
    object-fit: contain;
}

.page-hero {
    min-height: 410px;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 38px;
    padding: 48px;
}

.page-hero__media img {
    width: 100%;
    height: 290px;
    object-fit: contain;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold-deep);
    font-weight: 800;
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 30px;
    height: 1px;
    background: currentColor;
    box-shadow: 0 0 12px currentColor;
}

.section-block,
.content-section,
.compact-section {
    margin-top: 34px;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 22px;
}

.section-heading h2,
.content-section h2,
.compliance-panel h2 {
    margin: 8px 0 12px;
    color: var(--gold);
    font-size: clamp(27px, 3.5vw, 42px);
    line-height: 1.22;
    text-shadow: 0 0 20px rgba(247, 210, 122, 0.18);
}

.section-heading p,
.content-section p,
.compliance-panel p {
    color: var(--muted);
    margin: 0 0 14px;
}

.summary-grid,
.feature-grid,
.quick-grid,
.review-grid,
.steps-grid,
.zone-grid {
    display: grid;
    gap: 18px;
}

.summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-card,
.feature-card,
.quick-card,
.review-card,
.step-card,
.zone-card,
.info-card,
.faq-item {
    background: linear-gradient(145deg, rgba(20, 20, 20, 0.98), rgba(14, 14, 14, 0.98));
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.summary-card {
    position: relative;
    padding: 24px;
    overflow: hidden;
}

.summary-card::after {
    content: "";
    position: absolute;
    inset: auto -25px -35px auto;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(217, 168, 74, 0.06);
}

.summary-card__number {
    color: var(--gold-deep);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.18em;
}

.summary-card h2,
.feature-card h3,
.quick-card h3,
.step-card h3,
.zone-card h3,
.info-card h3 {
    color: var(--gold);
    margin: 10px 0 8px;
    line-height: 1.35;
}

.summary-card h2 {
    font-size: 20px;
}

.summary-card p,
.feature-card p,
.quick-card p,
.step-card p,
.zone-card p,
.info-card p,
.review-card p {
    margin: 0;
    color: var(--muted);
}

.content-section {
    min-height: 360px;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 30px;
    padding: 34px;
    background: linear-gradient(150deg, rgba(20, 20, 20, 0.96), rgba(10, 10, 10, 0.98));
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.content-section--reverse .content-section__body {
    order: 2;
}

.content-section--reverse .content-section__media {
    order: 1;
}

.content-section__body--wide {
    grid-column: 1 / -1;
    max-width: 900px;
}

.content-section__media {
    margin: 0;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(247, 210, 122, 0.12);
    background: rgba(255, 255, 255, 0.02);
}

.content-img {
    width: 100%;
    height: 280px;
    object-fit: contain;
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
    display: grid;
    gap: 10px;
}

.check-list li {
    position: relative;
    padding-left: 26px;
    color: var(--text);
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--gold-deep);
    font-weight: 900;
}

.text-link {
    display: inline-flex;
    margin-top: 14px;
    color: var(--gold);
    font-weight: 800;
}

.text-link::after {
    content: "→";
    margin-left: 8px;
}

.quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.quick-card {
    padding: 22px;
}

.quick-card a {
    color: var(--gold);
    font-weight: 800;
}

.zone-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.zone-card {
    overflow: hidden;
}

.zone-card img {
    width: 100%;
    height: 175px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(247, 210, 122, 0.1);
}

.zone-card__body {
    padding: 20px;
}

.zone-card .text-link {
    margin-top: 10px;
}

.steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card {
    padding: 24px;
}

.step-card > span {
    color: var(--gold-deep);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.16em;
}

.review-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.review-card {
    padding: 24px;
}

.review-card__meta {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid rgba(247, 210, 122, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.review-card__meta strong {
    color: var(--gold);
}

.review-card__meta span {
    color: var(--soft);
    font-size: 13px;
}

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

.faq-item {
    padding: 0 22px;
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    color: var(--text);
    font-weight: 800;
    padding: 18px 34px 18px 0;
    position: relative;
}

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

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 16px;
    color: var(--gold);
    font-size: 24px;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    margin: 0 0 20px;
    padding-top: 16px;
    color: var(--muted);
    border-top: 1px solid rgba(247, 210, 122, 0.1);
}

.compliance-panel {
    margin-top: 34px;
    margin-bottom: 50px;
    padding: 30px 34px;
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    align-items: center;
    gap: 34px;
    border-radius: 24px;
    border: 1px solid rgba(247, 210, 122, 0.22);
    background: linear-gradient(135deg, rgba(21, 18, 11, 0.98), rgba(10, 10, 10, 0.98));
    box-shadow: var(--shadow), inset 0 0 50px rgba(217, 168, 74, 0.03);
}

.compliance-panel h2 {
    font-size: clamp(25px, 3vw, 36px);
}

.compliance-panel p {
    margin: 0;
}

.site-footer {
    background: var(--bg-deep);
    color: var(--muted);
    border-top: 1px solid rgba(247, 210, 122, 0.12);
}

.footer-grid {
    padding: 46px 0 36px;
    display: grid;
    grid-template-columns: 1.5fr 0.75fr 0.75fr 1fr;
    gap: 36px;
}

.footer-brand p,
.footer-note p {
    margin: 16px 0 0;
}

.site-footer h2 {
    color: var(--gold);
    font-size: 17px;
    margin: 0 0 14px;
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.site-footer a:hover {
    color: var(--gold);
}

.footer-bottom {
    border-top: 1px solid rgba(247, 210, 122, 0.08);
    color: var(--soft);
}

.footer-bottom p {
    margin: 0;
    padding: 16px 0;
    font-size: 13px;
}

.mobile-bottom-nav {
    display: none;
}

@media (max-width: 1080px) {
    .header-main {
        gap: 14px;
    }

    .nav-core {
        gap: 2px;
    }

    .nav-core a {
        padding-inline: 8px;
        font-size: 14px;
    }

    .summary-grid,
    .zone-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .review-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    :root {
        --header-height: 64px;
        --channel-height: 48px;
    }

    .logo-text {
        font-size: 26px;
    }

    .header-main,
    .channel-nav__inner,
    .section-shell {
        width: min(calc(100% - 28px), var(--max-width));
    }

    .nav-core a:nth-child(5),
    .nav-core a:nth-child(6) {
        display: none;
    }

    .hero-banner,
    .page-hero {
        grid-template-columns: 1fr;
        padding: 36px;
    }

    .hero-banner {
        min-height: auto;
    }

    .hero-banner__media img,
    .page-hero__media img {
        height: 260px;
    }

    .content-section {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .content-section--reverse .content-section__body,
    .content-section--reverse .content-section__media {
        order: initial;
    }

    .quick-grid,
    .steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .compliance-panel {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    :root {
        --header-height: 62px;
    }

    body {
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
    }

    .site-header {
        border-bottom-color: rgba(247, 210, 122, 0.16);
    }

    .header-main {
        width: 100%;
        padding: 0 12px;
        grid-template-columns: 44px minmax(0, 1fr) auto;
        gap: 8px;
    }

    .header-main > .logo-text {
        justify-self: center;
        font-size: 24px;
    }

    .nav-core,
    .channel-nav {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
        width: 42px;
        height: 42px;
        border: 1px solid rgba(247, 210, 122, 0.2);
        border-radius: 12px;
        background: rgba(247, 210, 122, 0.05);
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
    }

    .menu-toggle span {
        width: 19px;
        height: 2px;
        background: var(--gold);
        border-radius: 99px;
    }

    .header-register {
        min-width: 68px;
        min-height: 38px;
        padding-inline: 15px;
        font-size: 14px;
    }

    .site-main {
        padding-top: calc(var(--header-height) + 18px);
    }

    .drawer-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 1200;
        background: rgba(0, 0, 0, 0.7);
        opacity: 0;
        visibility: hidden;
        transition: 0.25s ease;
    }

    .mobile-drawer {
        display: block;
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 1300;
        width: min(84vw, 320px);
        padding: 18px;
        overflow-y: auto;
        transform: translateX(-104%);
        background: #101010;
        border-right: 1px solid rgba(247, 210, 122, 0.18);
        box-shadow: 22px 0 50px rgba(0, 0, 0, 0.48);
        transition: transform 0.25s ease;
    }

    .drawer-open .drawer-overlay {
        opacity: 1;
        visibility: visible;
    }

    .drawer-open .mobile-drawer {
        transform: translateX(0);
    }

    .mobile-drawer__head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 16px;
        border-bottom: 1px solid rgba(247, 210, 122, 0.12);
    }

    .drawer-close {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: 1px solid rgba(247, 210, 122, 0.2);
        color: var(--gold);
        background: rgba(247, 210, 122, 0.05);
        font-size: 26px;
        line-height: 1;
        cursor: pointer;
    }

    .mobile-menu {
        display: grid;
        gap: 7px;
        padding: 16px 0 24px;
    }

    .mobile-menu a {
        padding: 11px 13px;
        color: var(--muted);
        border: 1px solid rgba(247, 210, 122, 0.08);
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.015);
    }

    .mobile-menu a:hover {
        color: var(--gold);
        border-color: rgba(247, 210, 122, 0.24);
    }

    .mobile-bottom-nav {
        position: fixed;
        inset: auto 0 0 0;
        z-index: 1100;
        min-height: 64px;
        padding-bottom: env(safe-area-inset-bottom);
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: rgba(8, 8, 8, 0.96);
        backdrop-filter: blur(12px);
        border-top: 1px solid rgba(247, 210, 122, 0.16);
    }

    .mobile-bottom-nav a {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 2px;
        color: var(--muted);
        font-size: 12px;
    }

    .mobile-bottom-nav a span {
        color: var(--gold-deep);
        font-size: 15px;
        font-weight: 900;
    }

    .mobile-bottom-nav a.active {
        color: var(--gold);
        background: rgba(247, 210, 122, 0.06);
    }

    .section-shell {
        width: min(calc(100% - 24px), var(--max-width));
    }

    .hero-banner,
    .page-hero {
        padding: 24px 20px;
        border-radius: 22px;
        gap: 24px;
    }

    .hero-banner h1,
    .page-hero h1 {
        font-size: clamp(34px, 11vw, 48px);
    }

    .hero-banner p,
    .page-hero p {
        font-size: 15px;
    }

    .hero-banner__media img,
    .page-hero__media img {
        height: 210px;
    }

    .summary-grid,
    .quick-grid,
    .steps-grid,
    .review-grid,
    .zone-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .content-section {
        padding: 24px 20px;
        gap: 20px;
        border-radius: 20px;
    }

    .content-img {
        height: 210px;
    }

    .zone-card img {
        height: 160px;
    }

    .compliance-panel {
        padding: 24px 20px;
        gap: 12px;
    }

    .footer-grid {
        gap: 28px;
        padding-top: 38px;
    }
}