/* ═══════════════════════════════════════════════════════════
   高湾对外网站 — 组件层：导航 · Hero · 卡片 · 页脚 · 动效 · 响应式
   ═══════════════════════════════════════════════════════════ */

/* ── 顶部导航 ─────────────────────────────────────────── */
.site-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-height);
    transition: background .35s, box-shadow .35s, border-color .35s;
    border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
    background: rgba(7, 11, 22, 0.88);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--border-gold);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}
.nav-inner {
    max-width: var(--container); margin: 0 auto; padding: 0 24px;
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
    width: 40px; height: 40px; border-radius: 12px; flex: none;
    background: var(--gold-gradient); color: #14100a;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; font-weight: 700; font-family: var(--font-serif);
    box-shadow: 0 2px 14px rgba(212, 168, 83, 0.4);
}
.brand-text {
    font-size: 1.22rem; font-weight: 600; color: var(--text-primary);
    letter-spacing: .18em; line-height: 1.15;
}
.brand-text em {
    display: block; font-style: normal; font-size: .62rem;
    letter-spacing: .42em; color: var(--gold); font-weight: 500;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
    padding: 8px 18px; border-radius: 999px; font-size: .94rem;
    color: var(--text-secondary); letter-spacing: .06em;
    transition: color .25s, background .25s;
}
.nav-links a:hover { color: var(--gold-light); background: rgba(212, 168, 83, 0.08); }
.nav-links a.active { color: var(--gold-light); background: rgba(212, 168, 83, 0.12); }
.nav-links .nav-cta {
    margin-left: 10px; border: 1px solid var(--border-gold); color: var(--gold-light);
}
.nav-links .nav-cta:hover { background: rgba(212, 168, 83, 0.16); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span {
    display: block; width: 24px; height: 2px; margin: 5px 0;
    background: var(--gold-light); border-radius: 2px; transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero（含三大价值，同屏紧凑）───────────────────────── */
.hero {
    position: relative;
    padding: calc(var(--nav-height) + 40px) 0 56px;
    text-align: center; overflow: hidden;
    background:
        radial-gradient(ellipse 80% 55% at 50% -5%, rgba(99, 102, 241, 0.14), transparent 60%),
        radial-gradient(ellipse 65% 50% at 50% 110%, rgba(212, 168, 83, 0.1), transparent 60%),
        linear-gradient(180deg, #070b16 0%, #0b1224 55%, #070b16 100%);
}
.hero-glow {
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 720px; height: 720px; pointer-events: none;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.09) 0%, transparent 62%);
    animation: glow-breathe 7s ease-in-out infinite;
}
@keyframes glow-breathe {
    0%, 100% { opacity: .7; transform: translateX(-50%) scale(1); }
    50% { opacity: 1; transform: translateX(-50%) scale(1.08); }
}
.hero-grid-bg {
    position: absolute; inset: 0; pointer-events: none; opacity: .5;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 0%, transparent 75%);
}
.hero-content { position: relative; padding: 0 24px 30px; margin: 0 auto; max-width: 900px; }
.hero-badge {
    display: inline-block; padding: 6px 18px; border-radius: 999px;
    border: 1px solid var(--border-gold); background: rgba(212, 168, 83, 0.07);
    color: var(--gold-light); font-size: .8rem; letter-spacing: .3em; margin-bottom: 20px;
}
.hero-title {
    font-size: clamp(2.1rem, 4.6vw, 3.3rem); font-weight: 700; line-height: 1.24;
    letter-spacing: .1em; margin-bottom: 14px;
    background: linear-gradient(160deg, #fdf6e3 10%, #F0D78C 40%, #D4A853 70%, #A07830 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
    text-shadow: 0 0 60px rgba(212, 168, 83, 0.15);
}
.hero-sub {
    font-size: clamp(1rem, 1.8vw, 1.2rem); color: var(--text-primary);
    letter-spacing: .26em; margin-bottom: 12px; font-weight: 300;
}
.hero-desc { color: var(--text-secondary); font-size: 1rem; margin-bottom: 0; letter-spacing: .08em; }
.hero-desc b { color: var(--gold-light); font-weight: 600; }
.hero-cta { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

/* Hero 内嵌三大价值卡片 */
.hero-pillars { position: relative; }
.hero-pillars .pillar-card { background: rgba(26, 35, 50, 0.6); }

/* ── 三大价值卡片 ─────────────────────────────────────── */
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pillar-card {
    display: flex; flex-direction: column;
    padding: 24px 24px 20px; border-radius: var(--radius-lg);
    background: var(--bg-card); border: 1px solid var(--border);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    transition: transform .35s, border-color .35s, box-shadow .35s;
    position: relative; overflow: hidden;
}
.pillar-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gold-gradient); opacity: 0; transition: opacity .35s;
}
.pillar-card:hover { transform: translateY(-8px); border-color: var(--border-gold); box-shadow: var(--shadow-gold); }
.pillar-card:hover::before { opacity: 1; }
.pillar-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.pillar-icon { font-size: 1.5rem; line-height: 1; }
.pillar-card h3 { font-size: 1.2rem; letter-spacing: .1em; color: var(--gold-light); }
.pillar-tagline { font-size: .88rem; color: var(--text-primary); margin-bottom: 10px; font-weight: 500; }
.pillar-card p { color: var(--text-secondary); font-size: .86rem; flex: 1; }
.pillar-question {
    margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--border);
    color: var(--gold); font-size: .82rem; font-style: italic; letter-spacing: .03em;
}
.pillar-more {
    display: inline-block; margin-top: 10px; color: var(--gold-light);
    font-size: .84rem; letter-spacing: .1em;
}
.swipe-hint { display: none; }
.pillar-card:hover .pillar-more { color: var(--gold); }

/* ── 高峰博士 ─────────────────────────────────────────── */
.dr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.dr-card {
    padding: 36px 30px; border-radius: var(--radius-lg);
    background: var(--bg-card); border: 1px solid var(--border);
    transition: transform .35s, border-color .35s;
}
.dr-card:hover { transform: translateY(-6px); border-color: var(--border-gold); }
.dr-icon { font-size: 2.2rem; margin-bottom: 16px; }
.dr-card h3 { font-size: 1.14rem; color: var(--gold-light); letter-spacing: .06em; margin-bottom: 8px; }
.dr-headline {
    display: inline-block; font-size: .84rem; color: var(--gold);
    border: 1px solid var(--border-gold); border-radius: 999px;
    padding: 3px 14px; margin-bottom: 18px; background: rgba(212, 168, 83, .06);
}
.dr-card ul { list-style: none; }
.dr-card li {
    position: relative; padding-left: 20px; margin-bottom: 12px;
    color: var(--text-secondary); font-size: .92rem;
}
.dr-card li::before {
    content: "◆"; position: absolute; left: 0; top: 0;
    color: var(--gold); font-size: .68rem; line-height: 2.3;
}
.dr-quote {
    margin-top: 52px; text-align: center; padding: 38px 30px;
    border-radius: var(--radius-lg); position: relative;
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.07), rgba(99, 102, 241, 0.05));
    border: 1px solid var(--border-gold);
    color: var(--text-secondary); font-size: 1.06rem; letter-spacing: .05em; line-height: 2;
}
.dr-quote b { color: var(--gold-light); }

/* ── 智能体团队 ───────────────────────────────────────── */
.agent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.agent-card {
    padding: 34px 26px 28px; border-radius: var(--radius-lg); text-align: center;
    background: var(--bg-card); border: 1px solid var(--border);
    transition: transform .35s, border-color .35s, box-shadow .35s;
    position: relative; overflow: hidden;
}
.agent-card::after {
    content: ""; position: absolute; top: -40%; left: -40%; width: 180%; height: 180%;
    background: radial-gradient(circle at center, var(--agent-color) 0%, transparent 55%);
    opacity: 0; transition: opacity .4s; pointer-events: none;
}
.agent-card:hover { transform: translateY(-6px); border-color: var(--agent-color); }
.agent-card:hover::after { opacity: .07; }
.agent-avatar {
    width: 96px; height: 96px; margin: 0 auto 18px; border-radius: 50%;
    padding: 3px; background: conic-gradient(from 210deg, var(--gold), var(--agent-color), var(--gold));
    box-shadow: 0 0 0 1px rgba(0,0,0,.4), 0 4px 24px rgba(212, 168, 83, 0.2);
    transition: box-shadow .35s;
}
.agent-card:hover .agent-avatar { box-shadow: 0 0 0 1px rgba(0,0,0,.4), 0 4px 32px var(--agent-color); }
.agent-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; background: #111827; }
.agent-card h3 { font-size: 1.24rem; letter-spacing: .14em; color: var(--text-primary); }
.agent-role { font-size: .84rem; color: var(--gold); letter-spacing: .12em; margin: 4px 0 12px; }
.agent-desc { font-size: .88rem; color: var(--text-secondary); min-height: 3.2em; margin-bottom: 16px; }
.agent-tags { display: flex; flex-wrap: wrap; gap: 7px; justify-content: center; }
.agent-tags span {
    font-size: .74rem; color: var(--text-secondary); padding: 3px 11px;
    border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.02);
}

/* ── 工作机制 ─────────────────────────────────────────── */
.mechanism {
    padding: 40px 38px; border-radius: var(--radius-lg); margin-bottom: 30px;
    background: var(--bg-card); border: 1px solid var(--border);
}
.mechanism h3 { font-size: 1.26rem; color: var(--gold-light); letter-spacing: .06em; margin-bottom: 8px; }
.mechanism-sub { color: var(--text-secondary); font-size: .94rem; margin-bottom: 30px; }
.rounds { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.round-item {
    text-align: center; padding: 18px 10px; border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.025); border: 1px solid var(--border);
    transition: border-color .3s, transform .3s;
}
.round-item:hover { border-color: var(--border-gold); transform: translateY(-4px); }
.round-num {
    width: 30px; height: 30px; margin: 0 auto 10px; border-radius: 50%;
    background: var(--gold-gradient); color: #14100a;
    font-weight: 700; font-size: .9rem; display: flex; align-items: center; justify-content: center;
}
.round-name { font-size: .94rem; color: var(--text-primary); font-weight: 600; margin-bottom: 4px; }
.round-desc { font-size: .76rem; color: var(--text-muted); line-height: 1.5; }

.topic-flow { display: flex; align-items: stretch; gap: 10px; margin-top: 24px; }
.topic-step {
    flex: 1; padding: 22px 18px; border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.025); border: 1px solid var(--border);
    transition: border-color .3s;
}
.topic-step:hover { border-color: var(--border-gold); }
.topic-step-title { color: var(--gold-light); font-weight: 600; font-size: .98rem; margin-bottom: 8px; letter-spacing: .06em; }
.topic-step p { color: var(--text-secondary); font-size: .84rem; line-height: 1.7; }
.topic-arrow {
    align-self: center; color: var(--gold); font-size: 1.3rem; flex: none;
    animation: arrow-nudge 2s ease-in-out infinite;
}
@keyframes arrow-nudge { 0%,100% { transform: translateX(0);} 50% { transform: translateX(4px);} }

/* ── 文章卡片（首页最新 & 板块列表）──────────────────── */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card {
    display: flex; flex-direction: column;
    padding: 28px 26px; border-radius: var(--radius-lg);
    background: var(--bg-card); border: 1px solid var(--border);
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.article-card:hover { transform: translateY(-6px); border-color: var(--border-gold); box-shadow: var(--shadow-gold); }
.article-meta { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 14px; }
.article-meta time { color: var(--text-muted); font-size: .78rem; margin-left: auto; }
.article-card h3 {
    font-size: 1.06rem; line-height: 1.55; color: var(--text-primary);
    margin-bottom: 10px; font-weight: 600; letter-spacing: .02em;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-card:hover h3 { color: var(--gold-light); }
.article-card > p {
    color: var(--text-secondary); font-size: .88rem; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.article-author {
    margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border);
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.article-agents { font-size: .76rem; color: var(--text-muted); }

/* ── 结尾 CTA ─────────────────────────────────────────── */
.final-cta {
    padding: 110px 0; text-align: center; position: relative; overflow: hidden;
    background:
        radial-gradient(ellipse 60% 70% at 50% 120%, rgba(212, 168, 83, 0.12), transparent 65%),
        var(--bg-secondary);
}
.final-cta h2 {
    font-size: clamp(1.6rem, 3.6vw, 2.5rem); letter-spacing: .18em; margin-bottom: 20px;
    background: var(--gold-gradient);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.final-cta p { color: var(--text-secondary); max-width: 620px; margin: 0 auto 40px; font-size: 1rem; }

/* ── 板块页头部（紧凑单行）────────────────────────────── */
.pillar-hero {
    position: relative; padding: calc(var(--nav-height) + 40px) 0 30px;
    text-align: center; overflow: hidden;
    background:
        radial-gradient(ellipse 70% 60% at 50% -10%, rgba(212, 168, 83, 0.12), transparent 60%),
        linear-gradient(180deg, #070b16, #0b1224);
    border-bottom: 1px solid var(--border);
}
.pillar-hero-line {
    display: flex; align-items: center; justify-content: center;
    gap: 14px; flex-wrap: wrap; margin-bottom: 8px;
}
.pillar-hero-icon { font-size: 1.7rem; line-height: 1; }
.pillar-hero h1 {
    font-size: clamp(1.4rem, 3vw, 1.9rem); letter-spacing: .18em;
    background: var(--gold-gradient);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.pillar-hero-tagline { color: var(--text-secondary); font-size: .95rem; letter-spacing: .06em; }
.pillar-hero-question { color: var(--gold); font-style: italic; font-size: .92rem; letter-spacing: .04em; }

/* ── 板块页分区 ───────────────────────────────────────── */
.pillar-hero + .section { padding-top: 52px; }
.pillar-block { margin-bottom: 72px; }
.pillar-block-head {
    display: flex; align-items: baseline; gap: 16px; margin-bottom: 30px;
    padding-bottom: 16px; border-bottom: 1px solid var(--border);
}
.pillar-block-head h2 { font-size: 1.5rem; letter-spacing: .1em; color: var(--gold-light); }
.pillar-block-head span { color: var(--text-muted); font-size: .88rem; letter-spacing: .06em; }

.pillar-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 60px; }
.pillar-nav-item {
    display: flex; flex-direction: column; gap: 4px;
    padding: 26px 28px; border-radius: var(--radius-lg);
    background: var(--bg-card); border: 1px solid var(--border);
    transition: transform .3s, border-color .3s;
}
.pillar-nav-item:hover { transform: translateY(-4px); border-color: var(--border-gold); }
.pn-icon { font-size: 1.6rem; }
.pn-name { color: var(--gold-light); font-size: 1.1rem; font-weight: 600; letter-spacing: .1em; }
.pn-tagline { color: var(--text-secondary); font-size: .86rem; }

.disclaimer-bar {
    margin-top: 50px; padding: 20px 26px; border-radius: var(--radius);
    background: rgba(239, 68, 68, 0.05); border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--text-muted); font-size: .84rem; line-height: 1.8;
}

/* ── 文章详情页 ───────────────────────────────────────── */
.article-page { padding: calc(var(--nav-height) + 56px) 0 90px; }
.breadcrumb { font-size: .86rem; color: var(--text-muted); margin-bottom: 34px; letter-spacing: .04em; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb span { margin: 0 8px; opacity: .5; }
.breadcrumb em { font-style: normal; color: var(--gold); }

.article-head { margin-bottom: 44px; }
.article-head h1 {
    font-size: clamp(1.6rem, 3.6vw, 2.3rem); line-height: 1.5; letter-spacing: .04em;
    margin: 16px 0 18px;
    background: linear-gradient(180deg, #f4f7fb 20%, #c3cddd 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.article-summary {
    color: var(--text-secondary); font-size: 1.04rem; padding-left: 16px;
    border-left: 3px solid var(--gold); margin-bottom: 22px;
}
.article-byline { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.byline-agent {
    display: inline-flex; align-items: center; gap: 7px;
    font-size: .82rem; color: var(--text-secondary);
    padding: 3px 12px 3px 4px; border-radius: 999px;
    border: 1px solid var(--border); background: rgba(255,255,255,.02);
}
.byline-agent img { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; }

.article-page .prose {
    padding-top: 36px; border-top: 1px solid var(--border);
}

.disclaimer-box {
    margin-top: 56px; padding: 22px 26px; border-radius: var(--radius);
    background: rgba(239, 68, 68, 0.05); border: 1px solid rgba(239, 68, 68, 0.22);
}
.disclaimer-box strong { color: #fca5a5; font-size: .88rem; letter-spacing: .1em; display: block; margin-bottom: 8px; }
.disclaimer-box p { color: var(--text-muted); font-size: .84rem; line-height: 1.85; }

.related { margin-top: 56px; }
.related h3 {
    font-size: 1.06rem; color: var(--gold-light); letter-spacing: .14em;
    margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--border);
}
.related-item {
    display: flex; align-items: center; gap: 14px;
    padding: 15px 6px; border-bottom: 1px dashed var(--border);
    color: var(--text-secondary); transition: color .25s, padding-left .25s;
}
.related-item:hover { color: var(--gold-light); padding-left: 12px; }
.related-title { flex: 1; font-size: .94rem; }
.related-item time { font-size: .78rem; color: var(--text-muted); }

.article-back { display: flex; gap: 16px; justify-content: center; margin-top: 60px; flex-wrap: wrap; }

/* ── 404 ──────────────────────────────────────────────── */
.error-page {
    min-height: 80vh; display: flex; align-items: center; text-align: center;
    padding: calc(var(--nav-height) + 40px) 0 80px;
}
.error-code {
    font-size: clamp(5rem, 16vw, 9rem); font-weight: 700; line-height: 1;
    background: var(--gold-gradient);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
    opacity: .85;
}
.error-page h1 { font-size: 1.6rem; letter-spacing: .2em; margin: 14px 0 10px; }
.error-page p { color: var(--text-secondary); margin-bottom: 36px; }

/* ── 页脚 ─────────────────────────────────────────────── */
.site-footer {
    background: #05080f; border-top: 1px solid var(--border-gold);
    padding: 64px 0 0; margin-top: 0;
}
.footer-inner {
    max-width: var(--container); margin: 0 auto; padding: 0 24px 48px;
    display: grid; grid-template-columns: 1fr 1.6fr 1fr; gap: 40px;
}
.footer-col h4 {
    color: var(--gold-light); font-size: .94rem; letter-spacing: .2em;
    margin-bottom: 18px; font-weight: 600;
}
.footer-col a {
    display: block; color: var(--text-secondary); font-size: .9rem;
    margin-bottom: 10px; transition: color .25s, transform .25s;
}
.footer-col a:hover { color: var(--gold-light); transform: translateX(4px); }
.footer-col p { color: var(--text-secondary); font-size: .88rem; margin-bottom: 8px; }
.footer-about p { line-height: 1.9; }
.footer-disclaimer { color: var(--text-muted) !important; font-size: .78rem !important; margin-top: 14px !important; }
.footer-domain { color: var(--gold) !important; letter-spacing: .08em; }
.footer-bottom {
    border-top: 1px solid var(--border); padding: 20px 24px;
    display: flex; justify-content: center; gap: 24px; flex-wrap: wrap;
    color: var(--text-muted); font-size: .8rem; letter-spacing: .05em;
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--gold-light); }

/* ── 入场动效 ─────────────────────────────────────────── */
.reveal {
    opacity: 0; transform: translateY(26px);
    transition: opacity .7s ease, transform .7s ease;
    transition-delay: calc(var(--stagger, 0) * 80ms);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero-glow, .topic-arrow { animation: none; }
    html { scroll-behavior: auto; }
}

/* ── 响应式 ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .pillar-grid, .dr-grid, .agent-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
    .rounds { grid-template-columns: repeat(3, 1fr); }
    .topic-flow { flex-wrap: wrap; }
    .topic-arrow { display: none; }
    .topic-step { flex: 1 1 40%; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .section-head { margin-bottom: 34px; }
    .section-head p { font-size: .94rem; }
    .nav-toggle { display: block; }
    .nav-links {
        position: fixed; top: var(--nav-height); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: rgba(7, 11, 22, 0.97);
        backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-gold);
        padding: 12px 24px 20px;
        transform: translateY(-12px); opacity: 0; pointer-events: none;
        transition: transform .3s, opacity .3s;
    }
    .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav-links a { padding: 14px 10px; border-radius: 10px; font-size: 1rem; }
    .nav-links .nav-cta { margin: 8px 0 0; text-align: center; }
    /* Hero 紧凑化（手机一屏可见标题+价值卡片） */
    .hero { padding: calc(var(--nav-height) + 36px) 0 52px; }
    .hero-content { padding: 0 18px 34px; }
    .hero-badge { margin-bottom: 22px; padding: 6px 16px; }
    .hero-sub { letter-spacing: .16em; font-size: 1rem; margin-bottom: 12px; }
    .hero-desc { font-size: .9rem; letter-spacing: .04em; }
    /* 价值卡片：横滑轮播，一屏内浏览全部三卡 */
    .hero-pillars .pillar-grid {
        display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
        gap: 14px; margin: 0 -18px; padding: 2px 18px 8px;
        scrollbar-width: none; -ms-overflow-style: none;
    }
    .hero-pillars .pillar-grid::-webkit-scrollbar { display: none; }
    .hero-pillars .pillar-card { flex: 0 0 80%; scroll-snap-align: center; padding: 22px 20px 18px; }
    .swipe-hint {
        display: block; margin-top: 10px; text-align: center;
        color: var(--text-muted); font-size: .74rem; letter-spacing: .24em;
    }

    /* 板块页头部更紧凑 */
    .pillar-hero { padding: calc(var(--nav-height) + 26px) 0 20px; }
    .pillar-hero-line { gap: 8px; }
    .pillar-hero-tagline { font-size: .86rem; }
    .pillar-hero-question { font-size: .84rem; }
    .pillar-hero + .section { padding-top: 36px; }
    .pillar-block { margin-bottom: 52px; }
    .pillar-block-head h2 { font-size: 1.24rem; }
    .pillar-block-head span { display: none; }

    /* 卡片与正文在手机上的可读性 */
    .dr-card { padding: 26px 22px; }
    .agent-avatar { width: 84px; height: 84px; }
    .agent-desc { font-size: .84rem; }
    .mechanism { padding: 22px 18px; }
    .mechanism h3 { font-size: 1.1rem; }
    .round-item { padding: 14px 8px; }
    .round-desc { font-size: .72rem; }
    .topic-step { padding: 16px 14px; }
    .article-card { padding: 22px 20px; }
    .byline-agent { font-size: .76rem; padding: 2px 10px 2px 3px; }
    .byline-agent img { width: 22px; height: 22px; }
    .article-page { padding: calc(var(--nav-height) + 30px) 0 64px; }
    .prose { font-size: 1rem; line-height: 1.9; }
    .prose table { display: block; overflow-x: auto; white-space: nowrap; }
    .prose h2 { font-size: 1.24rem; }
    .disclaimer-box, .disclaimer-bar { padding: 16px 18px; font-size: .8rem; }
    .final-cta { padding: 72px 0; }

    .pillar-nav { grid-template-columns: 1fr; }
    .rounds { grid-template-columns: repeat(2, 1fr); }
    .topic-step { flex: 1 1 100%; }
    .footer-inner { grid-template-columns: 1fr; gap: 30px; padding-bottom: 36px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
    .pillar-grid, .dr-grid, .agent-grid, .article-grid { grid-template-columns: 1fr; }
    .hero-badge { letter-spacing: .18em; font-size: .78rem; }
    .hero-title { letter-spacing: .06em; }
    .hero-sub { letter-spacing: .1em; }
    .pillar-hero h1 { letter-spacing: .12em; }
    .btn { padding: 12px 26px; font-size: .92rem; }
    .container { padding: 0 18px; }
    .article-head h1 { font-size: 1.42rem; }
}