:root {
    --bg: #0B1220;
    --deep: #070B14;
    --panel: #141C2E;
    --panel-2: #1C2740;
    --title: #E8F0FF;
    --text: #C9D6EC;
    --muted: #8FA3C4;
    --faint: #6B7F9E;
    --brand: #7BA3E8;
    --bright: #A8C4F0;
    --space: #1A3A6E;
    --line: rgba(123, 163, 232, 0.18);
    --line-strong: rgba(123, 163, 232, 0.46);
    --shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
    --radius: 12px;
    --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--deep); }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    overflow-x: hidden;
}
body.panel-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
button { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible {
    outline: 2px solid var(--bright);
    outline-offset: 3px;
}
.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 200;
    transform: translateY(-140%);
    background: var(--bright);
    color: var(--deep);
    padding: 8px 12px;
    border-radius: 8px;
}
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto 0; z-index: 80; }
.starline {
    height: 22px;
    background: var(--deep);
    color: var(--title);
    border-bottom: 1px solid var(--line);
    font-size: 12px;
}
.top-inner, .orbit-inner, .seat-inner, .footer-inner, .content-wrap {
    width: min(calc(100% - 32px), var(--max));
    margin: 0 auto;
}
.top-inner {
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.top-search {
    min-width: 52px;
    height: 22px;
    border: 0;
    background: transparent;
    color: var(--title);
    cursor: pointer;
    font-size: 12px;
    padding: 0 4px;
}
.orbitbar {
    height: 60px;
    background: rgba(11, 18, 32, 0.98);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px);
}
.orbit-inner {
    height: 60px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
}
.orbit-brand {
    justify-self: start;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}
.brand-logo { height: 28px; width: auto; max-width: 180px; object-fit: contain; }
.brand-text { font-weight: 700; font-size: 16px; color: var(--title); letter-spacing: .06em; }
.starbox-button, .app-link, .icon-button {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--line-strong);
    background: var(--deep);
    color: var(--title);
    padding: 0 18px;
    cursor: pointer;
    font-size: 14px;
}
.starbox-button { justify-self: center; min-width: 84px; }
.app-link { justify-self: end; }
.starbox-button:hover, .app-link:hover, .icon-button:hover { border-color: var(--bright); }
.seat-tabs {
    height: 40px;
    background: var(--space);
    border-bottom: 1px solid var(--line-strong);
}
.seat-inner {
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.seat-inner a {
    min-width: 84px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    color: var(--title);
    font-size: 13px;
}
.seat-inner a:hover { background: rgba(232, 240, 255, .1); }
.seat-inner a.active { background: var(--brand); color: var(--deep); font-weight: 700; }

.site-main { padding-top: 122px; min-height: 70vh; }
.content-wrap { padding: 34px 0 64px; }
.page-hero { padding: 28px 0 24px; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--bright);
    font-size: 12px;
    letter-spacing: .08em;
}
h1, h2, h3 { color: var(--title); margin: 0; font-weight: 700; }
h1 { font-size: 24px; line-height: 1.3; margin-top: 14px; }
h2 { font-size: 20px; line-height: 1.4; }
h3 { font-size: 16px; line-height: 1.5; }
p { margin: 0; }
.lead { margin-top: 14px; color: var(--text); max-width: 840px; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.meta-pill {
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--muted);
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 12px;
}
.section-block { margin-top: 30px; }
.section-head { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 14px; }
.section-head p { color: var(--muted); max-width: 560px; font-size: 13px; }
.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}
.soft-card { background: var(--panel-2); }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card p, .copy p { color: var(--text); margin-top: 10px; }
.card .muted, .muted { color: var(--muted); }
.kicker { color: var(--brand); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.number {
    color: var(--bright);
    font-size: 28px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: .03em;
}
.divider { height: 1px; background: var(--line); margin: 18px 0; }
 .mt-14 { margin-top: 14px; }
.actions-left { justify-content: flex-start; }

.media-slot {
    width: 100%;
    height: 180px;
    background: var(--deep);
    border: 1px solid var(--line);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.media-slot img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
.banner-slot { height: 260px; }
.feature-slot { height: 200px; }
.app-slot { height: 360px; }
.icon-slot { width: 64px; height: 64px; border-radius: 14px; }
.icon-slot img { width: 48px; height: 48px; object-fit: contain; }

.cover-copy { text-align: center; max-width: 860px; margin: 22px auto 0; }
.cover-copy .brandline { color: var(--bright); font-size: 13px; letter-spacing: .16em; }
.cover-copy h1 { margin-top: 8px; }
.cover-copy p { margin-top: 12px; color: var(--text); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 18px; }
.btn {
    min-height: 42px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 14px;
    white-space: nowrap;
    border: 1px solid transparent;
}
.btn-primary {
    background: linear-gradient(135deg, #A8C4F0 0%, #7BA3E8 55%, #1A3A6E 100%);
    color: var(--deep);
    font-weight: 700;
}
.btn-secondary { background: var(--deep); border-color: var(--line-strong); color: var(--title); }
.btn:hover { transform: translateY(-1px); }

.feature-card { padding: 0 0 18px; overflow: hidden; }
.feature-card .media-slot { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; }
.feature-card .feature-copy { padding: 18px 18px 0; }
.feature-card p { color: var(--text); margin-top: 8px; }

.issue-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 18px; align-items: stretch; }
.issue-index { display: grid; gap: 10px; margin-top: 16px; }
.issue-index a {
    min-height: 44px;
    display: grid;
    grid-template-columns: 44px 1fr;
    align-items: center;
    background: var(--deep);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0 12px;
}
.issue-index span:first-child { color: var(--bright); font-weight: 700; }
.issue-index a:hover { border-color: var(--line-strong); }

.shelf { display: grid; gap: 12px; }
.shelf-row {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr) auto;
    gap: 16px;
    align-items: center;
    min-height: 72px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px 16px;
}
.shelf-code { color: var(--bright); font-weight: 700; letter-spacing: .08em; }
.shelf-row p { color: var(--muted); font-size: 13px; margin-top: 2px; }
.shelf-tag { color: var(--title); border: 1px solid var(--line); border-radius: 999px; padding: 4px 9px; font-size: 12px; white-space: nowrap; }

.big-number-list { display: grid; gap: 12px; }
.big-number-item {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 16px;
    padding: 18px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
}
.big-number-item .number { font-size: 34px; }
.big-number-item p { color: var(--text); margin-top: 7px; }

.timeline { position: relative; display: grid; gap: 14px; }
.timeline::before { content: ""; position: absolute; left: 20px; top: 14px; bottom: 14px; width: 1px; background: var(--line-strong); }
.timeline-item { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 14px; }
.timeline-dot {
    width: 12px; height: 12px; margin: 18px auto 0; border-radius: 50%; background: var(--bright); border: 3px solid var(--bg); z-index: 1;
}
.timeline-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.status { display: inline-flex; min-height: 26px; align-items: center; padding: 0 9px; border-radius: 999px; background: var(--brand); color: var(--deep); font-size: 12px; font-weight: 700; }
.status.soft { background: var(--panel-2); color: var(--title); border: 1px solid var(--line-strong); }
.timeline-card p { margin-top: 8px; color: var(--text); }

.note-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.note-card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.note-card .label { color: var(--bright); font-size: 12px; }
.note-card p { margin-top: 7px; }

.term-list { display: grid; gap: 14px; }
.term-item { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.term-item p { margin-top: 8px; color: var(--text); }
.term-item ul { margin: 10px 0 0; padding-left: 20px; color: var(--text); }
.term-item li + li { margin-top: 6px; }

.faq-list { display: grid; gap: 12px; }
.faq-item { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.faq-item h2, .faq-item h3 { color: var(--title); }
.faq-item p { margin-top: 8px; color: var(--text); }

.callout {
    background: var(--space);
    color: var(--title);
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    padding: 18px;
}
.callout p { margin-top: 8px; color: var(--title); }
.text-link { color: var(--bright); border-bottom: 1px solid var(--line-strong); }

.site-footer { background: var(--deep); border-top: 1px solid var(--line); color: var(--text); }
.footer-inner { padding: 32px 0 80px; }
.footer-brand { display: flex; align-items: center; gap: 14px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.footer-brand a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-logo { height: 28px; object-fit: contain; }
.footer-brand strong { display: block; color: var(--title); font-size: 16px; }
.footer-brand span { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; letter-spacing: .12em; }
.footer-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; padding: 24px 0; }
.footer-grid h2 { font-size: 13px; margin-bottom: 8px; }
.footer-grid a { display: block; color: var(--muted); font-size: 13px; min-height: 32px; line-height: 32px; }
.footer-grid a:hover { color: var(--title); }
.footer-note, .footer-copy { font-size: 13px; color: var(--muted); }
.footer-copy { margin-top: 8px; color: var(--faint); }

.page-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, .58);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, visibility .2s ease;
}
.page-overlay.open { opacity: 1; visibility: visible; pointer-events: auto; }
.starbox-panel {
    position: fixed;
    z-index: 120;
    top: 0;
    right: 0;
    width: min(400px, 86vw);
    height: 100dvh;
    background: var(--bg);
    border-left: 1px solid var(--line-strong);
    box-shadow: var(--shadow);
    transform: translateX(104%);
    visibility: hidden;
    pointer-events: none;
    transition: transform .24s ease, visibility .24s ease;
}
.starbox-panel.open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.starbox-head { height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 16px; border-bottom: 1px solid var(--line); }
.starbox-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.starbox-brand .brand-logo { max-width: 120px; }
.starbox-brand strong { color: var(--title); white-space: nowrap; }
.icon-button { padding: 0 14px; min-width: 58px; }
.starbox-scroll { height: calc(100dvh - 70px); overflow-y: auto; padding: 16px 16px 30px; }
.drawer-group + .drawer-group { margin-top: 20px; }
.drawer-group h2 { font-size: 13px; color: var(--bright); margin-bottom: 8px; }
.drawer-list { display: grid; gap: 8px; }
.drawer-list a { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; }
.drawer-list a:hover { border-color: var(--line-strong); background: var(--panel-2); }
.drawer-list strong { display: block; color: var(--title); font-size: 14px; }
.drawer-list span { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; line-height: 1.5; }

.search-panel {
    position: fixed;
    z-index: 130;
    top: 82px;
    left: 50%;
    width: min(calc(100% - 32px), 760px);
    transform: translate(-50%, -16px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.search-panel.open { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.search-card { background: var(--bg); border: 1px solid var(--line-strong); border-radius: 14px; box-shadow: var(--shadow); padding: 16px; }
.search-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.search-head strong { display: block; color: var(--title); font-size: 16px; }
.search-head span { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.search-field { display: block; margin-top: 14px; }
.search-field span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.search-field input { width: 100%; height: 46px; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--deep); color: var(--title); padding: 0 13px; }
.search-presets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.search-presets a { min-height: 70px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.search-presets a:hover { border-color: var(--line-strong); }
.search-presets strong { display: block; color: var(--title); }
.search-presets span { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; }
.search-presets a[hidden] { display: none; }
.search-empty { margin-top: 12px; color: var(--muted); font-size: 13px; }

.mobile-bar { display: none; }

@media (max-width: 900px) {
    .grid-3, .grid-4, .note-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .issue-layout { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .seat-tabs { display: none; }
    .site-main { padding-top: 82px; }
    .top-inner, .orbit-inner, .footer-inner, .content-wrap { width: calc(100% - 32px); }
    .starline, .top-inner { height: 22px; }
    .orbitbar, .orbit-inner { height: 60px; }
    .orbit-inner { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 8px; }
    .orbit-brand { min-width: 0; overflow: hidden; }
    .brand-logo { max-width: 110px; }
    .brand-text { font-size: 14px; white-space: nowrap; }
    .starbox-button { min-width: 72px; padding: 0 14px; }
    .app-link { padding: 0 10px; font-size: 13px; }
    .content-wrap { padding-top: 22px; padding-bottom: 80px; }
    .page-hero { padding-top: 18px; }
    .grid-2, .grid-3, .grid-4, .note-grid { grid-template-columns: 1fr; }
    .banner-slot { height: 260px; }
    .feature-slot { height: 200px; }
    .app-slot { height: 340px; }
    .shelf-row { grid-template-columns: 64px minmax(0, 1fr); }
    .shelf-tag { grid-column: 2; justify-self: start; }
    .big-number-item { grid-template-columns: 58px 1fr; }
    .big-number-item .number { font-size: 28px; }
    .section-head { display: block; }
    .section-head p { margin-top: 6px; }
    .footer-inner { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 12px; }
    .mobile-bar {
        position: fixed;
        z-index: 70;
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(48px + env(safe-area-inset-bottom));
        padding-bottom: env(safe-area-inset-bottom);
        background: rgba(7, 11, 20, .98);
        border-top: 1px solid var(--line-strong);
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
    .mobile-bar a { height: 48px; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 12px; }
    .mobile-bar a.active { background: var(--brand); color: var(--deep); font-weight: 700; }
    .search-panel {
        inset: 0;
        width: 100%;
        height: 100dvh;
        transform: translateY(8px);
        background: var(--deep);
        padding: 16px;
    }
    .search-panel.open { transform: translateY(0); }
    .search-card { width: 100%; min-height: calc(100dvh - 32px); border-radius: 12px; box-shadow: none; }
    .search-presets { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}