@charset "utf-8";
/* ==========================================================================
   每日吃瓜 · 光影档案   全站样式表（原创设计）
   设计语言：新编辑主义影像杂志 / 深松绿 + 亮青 + 暖砂 + 琥珀点缀
   版式特征：竖排栏目英文、错位卡片、胶片齿孔分隔、克制的细线栅格
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink:#0F2A24;
  --ink-2:#16382F;
  --ink-3:#224A40;
  --teal:#12897A;
  --teal-deep:#0B6255;
  --teal-soft:#DCF1EC;
  --amber:#F97316;
  --amber-soft:#FFE7D2;
  --paper:#F7F3EA;
  --cream:#FFFDF8;
  --sand:#EFE7D8;
  --muted:#5C7A72;
  --muted-2:#8AA39B;
  --line:rgba(15,42,36,.13);
  --line-2:rgba(15,42,36,.22);
  --shadow-s:0 4px 14px rgba(15,42,36,.07);
  --shadow-m:0 12px 30px rgba(15,42,36,.10);
  --shadow-l:0 26px 60px rgba(15,42,36,.16);
  --radius-s:10px;
  --radius:16px;
  --radius-l:26px;
  --serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --wrap:1200px;
}

/* ---------- 2. 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--teal-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--amber);}
h1,h2,h3,h4,h5,h6{margin:0 0 12px;font-family:var(--serif);font-weight:800;line-height:1.28;color:var(--ink);letter-spacing:.2px;}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:19px;}
h4{font-size:16px;}
h5{font-size:15px;}
h6{font-size:14px;}
p{margin:0 0 14px;}
ul,ol{margin:0 0 14px;padding-left:20px;}
li{margin-bottom:6px;}
blockquote{margin:22px 0;padding:18px 22px;border-left:3px solid var(--amber);background:var(--cream);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-3);font-family:var(--serif);font-size:17px;}
code,kbd{font-family:var(--mono);font-size:13px;background:var(--teal-soft);padding:2px 6px;border-radius:6px;color:var(--teal-deep);}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;}

/* 无障碍隐藏文本 */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.hide{display:none!important;}

/* ---------- 3. 通用容器与栅格 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px;}
.wrap-narrow{max-width:860px;}
.grid{display:grid;gap:22px;}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.g-12{grid-template-columns:repeat(12,minmax(0,1fr));}
.span-4{grid-column:span 4;}
.span-5{grid-column:span 5;}
.span-6{grid-column:span 6;}
.span-7{grid-column:span 7;}
.span-8{grid-column:span 8;}
.mt-16{margin-top:16px;}
.mt-24{margin-top:24px;}
.mt-40{margin-top:40px;}
.center{text-align:center;}

.section{padding:66px 0;position:relative;}
.section-tight{padding:42px 0;}
.section-paper{background:var(--paper);}
.section-cream{background:var(--cream);}
.section-sand{background:var(--sand);}
.section-ink{background:var(--ink);color:var(--cream);}
.section-ink h2,.section-ink h3,.section-ink h4{color:var(--cream);}
.section-ink p,.section-ink li{color:rgba(255,253,248,.78);}

/* 侧边竖排栏目字（原创版式元素） */
.rail{
  position:absolute;left:calc(50% - var(--wrap) / 2 - 34px);top:70px;
  writing-mode:vertical-rl;letter-spacing:5px;font-size:11px;font-weight:700;
  color:var(--muted-2);text-transform:uppercase;
}
.rail::after{content:"";display:block;width:1px;height:52px;margin:12px auto 0;background:var(--line-2);}

/* 胶片齿孔分隔条（原创视觉母题） */
.filmstrip{
  height:26px;background:var(--ink);position:relative;overflow:hidden;
  display:flex;align-items:center;
}
.filmstrip::before,.filmstrip::after{
  content:"";position:absolute;left:0;right:0;height:6px;
  background-image:repeating-linear-gradient(90deg,transparent 0 8px,rgba(247,243,234,.85) 8px 20px);
}
.filmstrip::before{top:5px;}
.filmstrip::after{bottom:5px;}

/* ---------- 4. 顶部公告条 ---------- */
.topbar{
  background:var(--ink);color:rgba(255,253,248,.88);font-size:13px;
  display:flex;align-items:center;gap:18px;padding:9px 0;position:relative;
}
.topbar .wrap{display:flex;align-items:center;gap:14px;}
.topbar-badge{
  flex:none;background:var(--amber);color:#fff;font-weight:800;font-size:12px;
  padding:3px 10px;border-radius:999px;letter-spacing:.5px;
}
.topbar-text{flex:1 1 auto;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.topbar-text b{color:#fff;}
.topbar-links{flex:none;display:flex;gap:14px;}
.topbar-links a{color:rgba(255,253,248,.8);font-size:13px;}
.topbar-links a:hover{color:var(--amber);}

/* ---------- 5. 页头：品牌 / 导航 / 搜索 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,243,234,.93);
  backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);transition:box-shadow .3s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-m);}
.header-main{display:flex;align-items:center;gap:20px;padding:14px 0 10px;}
.search-row{overflow:hidden;max-height:96px;transition:max-height .3s ease,opacity .25s ease;}
.site-header.is-stuck .search-row{max-height:0;opacity:0;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand-logo{width:46px;height:46px;border-radius:13px;object-fit:cover;background:var(--cream);box-shadow:var(--shadow-s);}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-name{font-family:var(--serif);font-size:22px;font-weight:900;letter-spacing:2px;color:var(--ink);}
.brand-name em{font-style:normal;color:var(--amber);}
.brand-slogan{font-size:11px;letter-spacing:1.8px;color:var(--muted);}
.nav{display:flex;align-items:center;gap:2px;margin-left:8px;flex-wrap:wrap;}
.nav a{
  display:block;padding:9px 12px;border-radius:9px;font-size:15px;font-weight:600;color:var(--ink-3);
  white-space:nowrap;position:relative;
}
.nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav a:hover{color:var(--ink);background:rgba(18,137,122,.08);}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1);}
.nav a.is-active{color:var(--teal-deep);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}

/* 搜索区（JS 控制，不做真实检索） */
.search-row{border-top:1px solid var(--line);padding:10px 0 12px;}
.search-form{display:flex;align-items:center;gap:10px;max-width:720px;}
.search-input{
  flex:1 1 auto;height:42px;padding:0 16px;border:1px solid var(--line-2);border-radius:999px;
  background:var(--cream);font-size:14px;color:var(--ink);transition:box-shadow .2s ease,border-color .2s ease;
}
.search-input::placeholder{color:var(--muted-2);}
.search-input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(18,137,122,.14);outline:none;}
.search-btn{
  flex:none;height:42px;padding:0 22px;border:0;border-radius:999px;
  background:var(--ink);color:#fff;font-size:14px;font-weight:700;transition:background .2s ease;
}
.search-btn:hover{background:var(--teal-deep);}
.search-hot{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.search-hot span{color:var(--muted-2);}
.search-hot a{
  padding:3px 10px;border-radius:999px;background:rgba(18,137,122,.08);color:var(--teal-deep);font-size:13px;
}
.search-hot a:hover{background:var(--amber-soft);color:#B8480B;}
.search-tip{
  display:none;margin-top:10px;padding:12px 16px;border-radius:var(--radius);
  background:var(--cream);border:1px dashed var(--line-2);font-size:14px;color:var(--ink-3);
}
.search-tip.show{display:block;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-size:14px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--amber);color:#3A1B03;}
.btn-primary:hover{background:#FF8A2B;color:#3A1B03;}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:var(--teal-deep);color:#fff;}
.btn-ghost{border-color:var(--line-2);color:var(--ink-3);background:transparent;}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-deep);background:rgba(18,137,122,.07);}
.btn-sm{padding:8px 15px;font-size:13px;}
.btn-lg{padding:14px 26px;font-size:15px;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-2);background:var(--cream);align-items:center;justify-content:center;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* 移动端抽屉 */
.mobile-nav{
  display:none;position:fixed;inset:0;z-index:80;background:rgba(15,42,36,.55);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.mobile-nav.show{opacity:1;visibility:visible;}
.mobile-panel{
  position:absolute;right:0;top:0;bottom:0;width:min(320px,86vw);background:var(--cream);
  padding:22px;overflow-y:auto;transform:translateX(14px);transition:transform .3s ease;
}
.mobile-nav.show .mobile-panel{transform:translateX(0);}
.mobile-panel h4{margin-bottom:14px;letter-spacing:1px;}
.mobile-panel nav{display:flex;flex-direction:column;gap:2px;}
.mobile-panel nav a{padding:11px 12px;border-radius:10px;font-weight:600;color:var(--ink-3);}
.mobile-panel nav a:hover{background:var(--teal-soft);}
.mobile-close{margin-bottom:16px;border:0;background:transparent;font-size:13px;color:var(--muted);}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:14px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--amber);}
.breadcrumb .sep{color:var(--muted-2);}
.breadcrumb .current{color:var(--ink-3);font-weight:600;}

/* ---------- 6. 首页主视觉 ---------- */
.hero{position:relative;padding:40px 0 56px;background:linear-gradient(180deg,var(--cream),var(--paper));overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:1px;
  color:var(--teal-deep);background:var(--teal-soft);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.hero-kicker i{width:7px;height:7px;border-radius:50%;background:var(--amber);display:block;}
.hero h1{font-size:46px;line-height:1.22;margin-bottom:16px;}
.hero h1 strong{color:var(--amber);font-weight:900;position:relative;}
.hero h1 strong::after{content:"";position:absolute;left:0;right:0;bottom:3px;height:9px;background:rgba(249,115,22,.2);border-radius:3px;z-index:-1;}
.hero-sub{font-size:16px;color:var(--ink-3);max-width:600px;}
.hero-sub .hero-random{color:var(--teal-deep);font-weight:700;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 26px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;border-top:1px solid var(--line);padding-top:18px;}
.hero-stat b{display:flex;align-items:baseline;gap:3px;font-family:var(--serif);font-size:25px;color:var(--ink);}
.hero-stat b em{font-style:normal;font-size:13px;color:var(--muted);font-family:var(--sans);}
.hero-stat span{display:block;font-size:12.5px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-shot{border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-l);position:relative;}
.hero-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,42,36,0) 45%,rgba(15,42,36,.68));}
.hero-shot img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-badge{
  position:absolute;right:16px;left:auto;bottom:16px;max-width:64%;display:flex;align-items:center;gap:11px;
  background:rgba(15,42,36,.72);backdrop-filter:blur(6px);border-radius:var(--radius);
  padding:11px 14px;color:#fff;z-index:2;
}
.hero-badge .live{width:9px;height:9px;border-radius:50%;background:var(--amber);flex:none;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(1.35);}}
.hero-badge b{display:block;font-size:14px;}
.hero-badge span{font-size:12px;color:rgba(255,253,248,.8);}
.hero-float{
  position:absolute;left:-22px;bottom:22px;width:210px;background:var(--cream);border-radius:var(--radius);
  box-shadow:var(--shadow-l);padding:14px 16px;z-index:3;
}
.hero-float h4{font-size:14px;margin-bottom:4px;}
.hero-float p{font-size:12.5px;color:var(--muted);margin:0 0 9px;}
.bar{height:7px;border-radius:999px;background:var(--sand);overflow:hidden;}
.bar i{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--teal),var(--amber));border-radius:999px;}
.hero-mini{
  position:absolute;right:-14px;top:84px;width:214px;display:flex;gap:10px;align-items:center;
  background:var(--cream);border-radius:var(--radius);box-shadow:var(--shadow-l);padding:10px 12px;z-index:3;
}
.hero-mini img{width:52px;height:52px;border-radius:12px;object-fit:cover;flex:none;}
.hero-mini b{display:block;font-size:13px;line-height:1.4;}
.hero-mini span{font-size:11.5px;color:var(--muted);}

/* ---------- 7. 滚动快讯 ---------- */
.ticker{background:var(--ink-2);overflow:hidden;padding:11px 0;}
.ticker-track{display:flex;gap:38px;white-space:nowrap;animation:ticker 34s linear infinite;}
.ticker span{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,253,248,.82);}
.ticker b{color:#fff;}
.ticker i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:block;flex:none;}
@keyframes ticker{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- 8. 区块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;gap:24px;margin-bottom:30px;flex-wrap:wrap;}
.sec-head-left{flex:1 1 520px;}
.sec-kicker{display:inline-block;font-size:12px;font-weight:800;letter-spacing:2px;color:var(--amber);text-transform:uppercase;margin-bottom:8px;}
.sec-head h2{margin-bottom:10px;}
.sec-head p{color:var(--muted);font-size:14.5px;margin:0;max-width:720px;}
.sec-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--teal-deep);flex:none;}
.sec-more:hover{color:var(--amber);}
.sec-more svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;}

/* ---------- 9. 视频卡片 ---------- */
.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.video-card{
  background:var(--cream);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-s);
  border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .28s ease,box-shadow .28s ease;
}
.video-card:nth-child(2){transform:translateY(16px);}
.video-card:nth-child(5){transform:translateY(16px);}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);}
.video-card:nth-child(2):hover,.video-card:nth-child(5):hover{transform:translateY(10px);}
.video-thumb{position:relative;overflow:hidden;}
.video-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.video-card:hover .video-thumb img{transform:scale(1.06);}
.video-tag{
  position:absolute;left:12px;top:12px;background:rgba(15,42,36,.78);color:#fff;
  font-size:11.5px;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.4px;
}
.video-dur{position:absolute;right:12px;bottom:12px;background:rgba(15,42,36,.8);color:#fff;font-size:11.5px;padding:3px 9px;border-radius:6px;font-family:var(--mono);}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.82);width:58px;height:58px;
  border:0;border-radius:50%;background:rgba(249,115,22,.94);display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .3s ease,transform .3s ease;box-shadow:0 10px 26px rgba(249,115,22,.42);
}
.play-btn svg{width:24px;height:24px;fill:#fff;margin-left:3px;}
.video-card:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1);}
.video-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.video-body h3{font-size:17px;margin-bottom:8px;}
.video-body h3 a{color:var(--ink);}
.video-body h3 a:hover{color:var(--amber);}
.video-desc{font-size:13.5px;color:var(--muted);flex:1 1 auto;}
.video-author{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--muted);margin:10px 0 8px;}
.video-author img{width:28px;height:28px;border-radius:50%;object-fit:cover;}
.video-meta{display:flex;gap:16px;font-size:12.5px;color:var(--muted-2);border-top:1px dashed var(--line);padding-top:10px;}
.video-meta i{display:inline-flex;align-items:center;gap:5px;font-style:normal;}
.video-meta svg{width:14px;height:14px;stroke:var(--muted-2);fill:none;stroke-width:1.8;}

/* ---------- 10. 数据带 ---------- */
.stats-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat-box{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;text-align:left;}
.stat-box b{display:flex;align-items:baseline;gap:3px;font-family:var(--serif);font-size:30px;color:var(--teal-deep);}
.stat-box b em{font-style:normal;font-size:13px;color:var(--muted);font-family:var(--sans);}
.stat-box span{display:block;font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- 11. 栏目磁贴 ---------- */
.cat-tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.cat-tile{
  display:flex;flex-direction:column;gap:5px;background:var(--cream);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;position:relative;overflow:hidden;transition:transform .22s ease,border-color .22s ease;
}
.cat-tile::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--teal);transform:scaleY(0);transform-origin:top;transition:transform .25s ease;}
.cat-tile:hover{transform:translateY(-4px);border-color:var(--line-2);}
.cat-tile:hover::before{transform:scaleY(1);}
.cat-tile b{font-family:var(--serif);font-size:17px;color:var(--ink);}
.cat-tile span{font-size:13px;color:var(--muted);}
.cat-tile em{font-style:normal;font-size:12.5px;color:var(--amber);font-weight:700;margin-top:6px;}

/* ---------- 12. 专题卡片 / 侧栏卡片 ---------- */
.feature-card{
  display:block;background:var(--cream);border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-s);transition:transform .26s ease,box-shadow .26s ease;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);}
.feature-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feature-body{padding:16px 18px 18px;}
.feature-body .tag{display:inline-block;font-size:11.5px;font-weight:700;color:var(--teal-deep);background:var(--teal-soft);padding:3px 10px;border-radius:999px;margin-bottom:8px;}
.feature-body h3{font-size:17px;margin-bottom:6px;}
.feature-body p{margin:0;font-size:13px;color:var(--muted);}
.side-card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:20px;}
.side-card h3{font-size:17px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px;}
.rank-item{display:flex;align-items:center;gap:11px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.rank-item:last-child{border-bottom:0;}
.rank-item .rk{width:22px;height:22px;border-radius:6px;background:var(--sand);color:var(--ink-3);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none;}
.rank-item:nth-child(2) .rk,.rank-item:nth-child(3) .rk,.rank-item:nth-child(4) .rk{background:var(--amber-soft);color:#B8480B;}
.rank-item b{flex:1 1 auto;font-weight:600;color:var(--ink-3);font-size:13.5px;}
.rank-item span{font-size:12.5px;color:var(--muted-2);}
.side-links{list-style:none;margin:0;padding:0;}
.side-links li{border-bottom:1px dashed var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{display:flex;justify-content:space-between;gap:10px;padding:10px 0;font-size:14px;color:var(--ink-3);}
.side-links a:hover{color:var(--amber);}
.side-links em{font-style:normal;color:var(--muted-2);font-size:12.5px;flex:none;}

/* ---------- 13. AI 赋能深色区块 ---------- */
.ai-band{background:var(--ink);border-radius:var(--radius-l);padding:46px;color:var(--cream);position:relative;overflow:hidden;}
.ai-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(249,115,22,.26),transparent 68%);
}
.ai-band .wrap-inner{position:relative;z-index:2;}
.ai-band h2{color:#fff;}
.ai-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:26px;}
.ai-item{background:rgba(255,253,248,.06);border:1px solid rgba(255,253,248,.12);border-radius:var(--radius);padding:20px;}
.ai-item .num{font-family:var(--mono);font-size:12px;color:var(--amber);display:block;margin-bottom:8px;}
.ai-item b{display:block;font-size:16px;color:#fff;margin-bottom:6px;}
.ai-item span{font-size:13.5px;color:rgba(255,253,248,.76);}

/* ---------- 14. 社区 / 弹幕 ---------- */
.danmaku-box{position:relative;height:300px;background:var(--ink-2);overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}
.danmaku-box img{width:100%;height:100%;object-fit:cover;opacity:.46;}
.danmaku-item{
  position:absolute;left:100%;white-space:nowrap;color:#fff;font-size:13.5px;
  text-shadow:0 1px 6px rgba(0,0,0,.6);animation:dm 9s linear forwards;
}
@keyframes dm{from{transform:translateX(0);}to{transform:translateX(calc(-100% - 640px));}}
.card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.card h3{font-size:16.5px;margin-bottom:8px;}
.card p{font-size:13.5px;color:var(--muted);margin:0;}
.card-icon{width:38px;height:38px;border-radius:11px;background:var(--teal-soft);display:flex;align-items:center;justify-content:center;margin-bottom:12px;}
.card-icon svg{width:20px;height:20px;stroke:var(--teal-deep);fill:none;stroke-width:1.8;}

/* ---------- 15. 专家 ---------- */
.expert-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.expert-card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;}
.expert-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m);}
.expert-card img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.expert-body{padding:16px 18px 20px;}
.expert-body h3{font-size:17px;margin-bottom:4px;}
.expert-body .role{display:inline-block;font-size:12px;font-weight:700;color:var(--amber);margin-bottom:8px;}
.expert-body p{font-size:13px;color:var(--muted);}
.expert-body ul{list-style:none;padding:0;margin:10px 0 12px;font-size:12.5px;color:var(--muted);}
.expert-body ul li{padding:4px 0 4px 15px;position:relative;margin:0;}
.expert-body ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--teal);}
.expert-actions{display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- 16. 合作 / 步骤 / FAQ ---------- */
.brand-wall{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;}
.brand-chip{
  display:flex;align-items:center;justify-content:center;height:74px;border-radius:var(--radius);
  background:var(--cream);border:1px solid var(--line);font-family:var(--serif);font-size:15px;color:var(--ink-3);
  transition:border-color .2s ease,transform .2s ease;
}
.brand-chip:hover{border-color:var(--amber);transform:translateY(-3px);}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:st;}
.step{position:relative;background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px 20px;}
.step::before{
  counter-increment:st;content:"0" counter(st);font-family:var(--mono);font-size:13px;color:var(--amber);
  display:block;margin-bottom:10px;
}
.step-line{position:absolute;right:-12px;top:38px;width:24px;height:1px;background:var(--line-2);}
.step:last-child .step-line{display:none;}
.step h3{font-size:16px;margin-bottom:6px;}
.step p{font-size:13px;color:var(--muted);margin:0;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s ease;}
.faq-item.is-open{border-color:var(--teal);}
.faq-q{
  width:100%;text-align:left;border:0;background:transparent;padding:18px 22px;font-size:15.5px;font-weight:700;
  color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px;font-family:var(--serif);
}
.faq-q::after{content:"+";font-size:20px;color:var(--amber);flex:none;transition:transform .25s ease;}
.faq-item.is-open .faq-q::after{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px;}
.faq-a p{padding-bottom:18px;margin:0;font-size:14px;color:var(--ink-3);}

/* ---------- 17. 评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.review{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius-l);padding:22px;display:flex;flex-direction:column;}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.review-head img{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:none;}
.review-head b{display:block;font-size:14.5px;}
.review-head span{font-size:12px;color:var(--muted-2);}
.stars{color:var(--amber);font-size:13.5px;letter-spacing:2px;margin-bottom:8px;}
.review p{font-size:14px;color:var(--ink-3);flex:1 1 auto;margin:0;}
.review-tag{margin-top:12px;font-size:12px;color:var(--muted-2);}

/* ---------- 18. 标签云 ---------- */
.tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-block;padding:7px 15px;border-radius:999px;background:var(--cream);
  border:1px solid var(--line);font-size:13.5px;color:var(--ink-3);transition:all .2s ease;
}
.tag-pill:hover{background:var(--amber-soft);border-color:var(--amber);color:#B8480B;}
.tag-pill.tag-feature{background:var(--ink);color:#fff;border-color:var(--ink);}
.tag-pill.tag-feature:hover{background:var(--teal-deep);border-color:var(--teal-deep);color:#fff;}

/* ---------- 19. 内页头部 ---------- */
.page-hero{background:linear-gradient(180deg,var(--cream),var(--paper));padding:38px 0 34px;border-bottom:1px solid var(--line);}
.page-hero h1{font-size:36px;margin-bottom:12px;}
.page-hero > .wrap > p{max-width:760px;color:var(--muted);font-size:15px;}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.hero-tags span{font-size:12.5px;color:var(--teal-deep);background:var(--teal-soft);padding:4px 12px;border-radius:999px;}

/* 文章正文 */
.article-body{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius-l);padding:30px 34px;}
.article-body h2{font-size:24px;margin-top:26px;}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:18px;margin-top:20px;}
.article-body p,.article-body li{font-size:15px;color:var(--ink-3);}
.article-note{font-size:13.5px;color:var(--muted);}
/* 表格 */
.table-wrap{overflow-x:auto;}
table.data{width:100%;border-collapse:collapse;font-size:14px;background:var(--cream);border-radius:var(--radius);overflow:hidden;}
table.data th,table.data td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
table.data th{background:var(--teal-soft);color:var(--teal-deep);font-weight:700;font-size:13px;}
table.data tr:last-child td{border-bottom:0;}

/* 筛选条 */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px;}
.filter-btn{
  border:1px solid var(--line);background:var(--cream);color:var(--ink-3);border-radius:999px;
  padding:8px 16px;font-size:13.5px;font-weight:600;
}
.filter-btn:hover{border-color:var(--teal);color:var(--teal-deep);}
.filter-btn.is-active{background:var(--ink);color:#fff;border-color:var(--ink);}

/* 工具卡片 */
.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.tool-card{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease;}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.tool-card .badge{display:inline-block;font-size:11.5px;font-weight:700;color:var(--amber);margin-bottom:8px;}
.tool-card h3{font-size:16.5px;}
.tool-card p{font-size:13.5px;color:var(--muted);flex:1 1 auto;}
.tool-card .meta{font-size:12.5px;color:var(--muted-2);border-top:1px dashed var(--line);padding-top:10px;display:flex;justify-content:space-between;}

/* MCP 前端演示面板 */
.mcp-panel{background:var(--ink);color:var(--cream);border-radius:var(--radius-l);padding:26px;}
.mcp-panel h3{color:#fff;}
.mcp-panel pre{
  background:rgba(255,253,248,.07);border:1px solid rgba(255,253,248,.14);border-radius:var(--radius);
  padding:16px;overflow-x:auto;font-family:var(--mono);font-size:12.5px;color:#DFF3EE;margin:0 0 14px;
}
.mcp-status{display:flex;align-items:center;gap:9px;font-size:13.5px;}
.mcp-dot{width:9px;height:9px;border-radius:50%;background:var(--amber);flex:none;}
.mcp-log{margin-top:12px;background:rgba(0,0,0,.22);border-radius:var(--radius);padding:12px 14px;font-family:var(--mono);font-size:12.5px;color:#CFE9E2;min-height:76px;}

/* ---------- 20. 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,253,248,.78);padding:52px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand img{width:46px;height:46px;border-radius:12px;}
.footer-brand b{font-family:var(--serif);font-size:20px;color:#fff;letter-spacing:1.5px;}
.footer-brand b em{font-style:normal;color:var(--amber);}
.site-footer p{font-size:13.5px;color:rgba(255,253,248,.72);}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.8px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:8px;}
.footer-links a{font-size:13.5px;color:rgba(255,253,248,.78);}
.footer-links a:hover{color:var(--amber);}
.qr-row{display:flex;gap:16px;}
.qr-item{text-align:center;font-size:12px;color:rgba(255,253,248,.68);}
.qr-item img{width:96px;height:96px;border-radius:12px;background:#fff;padding:6px;margin-bottom:6px;}
.social-row{display:flex;gap:9px;margin-bottom:14px;}
.social-row a{
  width:36px;height:36px;border-radius:11px;background:rgba(255,253,248,.09);
  display:flex;align-items:center;justify-content:center;transition:background .2s ease;
}
.social-row a:hover{background:var(--amber);}
.social-row svg{width:18px;height:18px;fill:rgba(255,253,248,.9);}
.footer-bottom{
  border-top:1px solid rgba(255,253,248,.14);padding:18px 0;display:flex;gap:16px;
  flex-wrap:wrap;align-items:center;justify-content:space-between;font-size:13px;
}
.footer-bottom .links{display:flex;gap:16px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,253,248,.78);}
.footer-bottom a:hover{color:var(--amber);}
.footer-note{padding:14px 0 26px;font-size:12.5px;color:rgba(255,253,248,.55);line-height:1.7;}

/* ---------- 21. 悬浮组件 / 弹窗 / 提示 ---------- */
.float-cta{
  position:fixed;right:22px;bottom:94px;z-index:70;display:inline-flex;align-items:center;gap:8px;
  background:var(--amber);color:#3A1B03;font-size:13.5px;font-weight:800;padding:12px 18px;border-radius:999px;
  box-shadow:0 14px 34px rgba(249,115,22,.36);transition:transform .22s ease;
}
.float-cta:hover{transform:translateY(-3px);color:#3A1B03;}
.float-cta i{width:8px;height:8px;border-radius:50%;background:#3A1B03;display:block;animation:pulse 1.6s infinite;}
.to-top{
  position:fixed;right:24px;bottom:30px;z-index:70;width:44px;height:44px;border-radius:14px;border:1px solid var(--line-2);
  background:var(--cream);color:var(--ink);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:all .28s ease;box-shadow:var(--shadow-m);
}
.to-top.show{opacity:1;visibility:visible;}
.to-top svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2;}
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:22px;}
.modal.show{display:flex;}
.modal-mask{position:absolute;inset:0;background:rgba(10,24,20,.72);backdrop-filter:blur(3px);}
.modal-box{
  position:relative;z-index:2;width:min(880px,100%);background:var(--cream);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-l);animation:pop .3s ease;
}
@keyframes pop{from{transform:translateY(14px);opacity:0;}to{transform:translateY(0);opacity:1;}}
.modal-video{position:relative;background:#0B1512;}
.modal-video img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.55;}
.modal-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:70px;height:70px;border-radius:50%;
  border:0;background:rgba(249,115,22,.94);display:flex;align-items:center;justify-content:center;
}
.modal-play svg{width:28px;height:28px;fill:#fff;margin-left:4px;}
.modal-info{padding:20px 24px;}
.modal-info b{display:block;font-family:var(--serif);font-size:19px;margin-bottom:6px;}
.modal-info p{font-size:13.5px;color:var(--muted);margin:0;}
.modal-foot{display:flex;justify-content:space-between;gap:12px;padding:14px 24px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);}
.modal-loader{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);font-size:12.5px;color:rgba(255,253,248,.8);}
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,16px);z-index:120;background:var(--ink);color:#fff;
  font-size:13.5px;padding:12px 20px;border-radius:999px;opacity:0;visibility:hidden;transition:all .26s ease;box-shadow:var(--shadow-l);
}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* 分享条 */
.share-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px;}
.share-bar span{font-size:13px;color:var(--muted);}
.share-btn{
  border:1px solid var(--line-2);background:var(--cream);color:var(--ink-3);border-radius:999px;
  padding:7px 14px;font-size:13px;font-weight:600;
}
.share-btn:hover{border-color:var(--amber);color:#B8480B;}

/* ---------- 22. 滚动进场 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;}
.js-ready .reveal.in{opacity:1;transform:none;}
html:not(.js-ready) .reveal{opacity:1;transform:none;}
img[loading="lazy"]{background:linear-gradient(120deg,var(--sand),var(--teal-soft));}

/* ---------- 23. 响应式 ---------- */
@media (max-width:1180px){
  .rail{display:none;}
  .hero h1{font-size:40px;}
  .video-grid,.tool-grid,.review-grid,.expert-grid,.cat-tiles{grid-template-columns:repeat(2,minmax(0,1fr));}
  .brand-wall{grid-template-columns:repeat(4,minmax(0,1fr));}
  .brand-wall>*:nth-child(n+9){display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .ai-list{grid-template-columns:1fr;}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .nav,.header-actions .btn{display:none;}
  .menu-toggle{display:flex;}
  .mobile-nav{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-badge{max-width:100%;left:16px;right:16px;}
  .hero-float{left:12px;bottom:74px;width:190px;}
  .hero-mini{right:12px;top:auto;bottom:24px;}
  .span-4,.span-5,.span-6,.span-7,.span-8{grid-column:span 12;}
  .g-2,.g-3,.g-4{grid-template-columns:1fr;}
  .ai-band{padding:30px 24px;}
  .search-row .search-hot{display:none;}
  .topbar-links{display:none;}
}
@media (max-width:640px){
  body{font-size:15px;}
  .wrap{padding:0 16px;}
  .hero h1{font-size:29px;}
  .page-hero h1{font-size:26px;}
  h2{font-size:23px;}
  .video-grid,.review-grid,.expert-grid,.cat-tiles,.tool-grid,.brand-wall{grid-template-columns:1fr;}
  .video-card:nth-child(2),.video-card:nth-child(5){transform:none;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-band,.steps,.footer-grid{grid-template-columns:1fr;}
  .float-cta{right:14px;bottom:80px;padding:10px 14px;font-size:12.5px;}
  .hero-float,.hero-mini{display:none;}
  .to-top{right:14px;bottom:20px;}
  .article-body{padding:22px 18px;}
  .brand-wall>*:nth-child(n+7){display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
}
@media print{
  .site-header,.topbar,.float-cta,.to-top,.site-footer,.share-bar{display:none!important;}
  body{background:#fff;}
}