:root{
  --blue:#0066cc;
  --ink:#1d1d1f;
  --parchment:#f5f5f7;
  --dark:#272729;
  --gray:#7a7a7a;
  --line:#e3e3e6;
  --r1:#ff3b30; --r2:#ff9500; --r3:#ffcc00;
  --green:#34c759;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#f5f5f7;background-image:radial-gradient(60% 50% at 12% 0%,rgba(0,102,204,.22),transparent 60%),radial-gradient(50% 45% at 92% 4%,rgba(175,82,222,.22),transparent 60%),radial-gradient(55% 50% at 50% 100%,rgba(0,184,168,.18),transparent 60%);background-attachment:fixed;-webkit-font-smoothing:antialiased;line-height:1.5;}
a{text-decoration:none;color:inherit;}

/* Nav */
.nav{background:rgba(255,255,255,.72);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);color:var(--ink);height:52px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:32px;padding:0 40px;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(0,0,0,.06);box-shadow:0 1px 0 rgba(0,0,0,.02);}
.nav .logo{font-weight:900;font-size:20px;color:var(--blue);letter-spacing:.5px;}
.nav .links{display:flex;gap:6px;font-size:14px;justify-self:center;flex-wrap:wrap;}
.nav .links a{color:var(--gray);padding:7px 16px;border-radius:999px;background:rgba(0,0,0,.04);transition:all .15s;}
.nav .links a:hover{background:rgba(0,0,0,.08);color:var(--ink);}
.nav .links a.active{background:var(--blue);color:#fff;}
.nav .right{display:flex;align-items:center;gap:14px;}
.nav .login{font-size:13px;padding:7px 16px;border:1px solid var(--line);border-radius:999px;color:var(--ink);transition:all .15s;}
.nav .login:hover{border-color:#b9b9be;color:var(--blue);}

/* Hero */
.hero{background:var(--parchment);text-align:center;padding:72px 48px 64px;}
.hero .eyebrow{color:var(--blue);font-weight:700;font-size:13px;letter-spacing:3px;margin-bottom:14px;}
.hero h1{font-size:52px;font-weight:900;letter-spacing:-1px;margin-bottom:14px;}
.hero .sub{color:var(--gray);font-size:18px;margin-bottom:8px;}
.hero .date{color:var(--ink);font-size:15px;}

/* Layout */
.wrap{max-width:1360px;margin:0 auto;padding:36px 32px 12px;display:flex;gap:32px;align-items:stretch;}
.main{flex:1;min-width:0;display:flex;flex-direction:column;gap:20px;}
.side{width:340px;flex:none;display:flex;flex-direction:column;gap:20px;}

/* Tabs — 折叠式下拉选择器 */
.toolbar{display:flex;align-items:center;justify-content:space-between;margin:0 0 4px;}
.tabs{position:relative;display:flex;align-items:center;margin-bottom:0;z-index:50;}
.tab-select{display:inline-flex;align-items:center;gap:8px;font-size:14px;padding:8px 18px;border-radius:12px;background:rgba(255,255,255,.9);border:1px solid rgba(0,0,0,.08);color:var(--ink);cursor:pointer;transition:all .18s;user-select:none;position:relative;z-index:2;box-shadow:0 1px 3px rgba(0,0,0,.04);}
.tab-select:hover{border-color:var(--blue);color:var(--blue);box-shadow:0 2px 8px rgba(0,102,204,.12);}
.tab-select.active{background:var(--ink);color:#fff;border-color:var(--ink);}
.tab-label{font-weight:500;}
.tab-arrow{font-size:11px;color:var(--gray);transition:transform .2s,color .2s;}
.tab-select.active .tab-arrow{color:rgba(255,255,255,.7);}
.tab-select.open .tab-arrow{transform:rotate(180deg);color:var(--blue);}
.tab-dropdown{position:absolute;top:calc(100% + 6px);left:0;min-width:200px;max-height:340px;overflow-y:auto;background:rgba(255,255,255,.95);backdrop-filter:blur(40px) saturate(200%);-webkit-backdrop-filter:blur(40px) saturate(200%);border:1px solid rgba(0,0,0,.06);border-radius:12px;box-shadow:0 16px 48px rgba(0,0,0,.14),0 2px 8px rgba(0,0,0,.05);padding:6px;z-index:100;opacity:0;visibility:hidden;transform:translateY(-6px) scale(.98);transition:opacity .15s,transform .18s cubic-bezier(.2,.7,.2,1),visibility .15s;scrollbar-width:thin;}
.tab-dropdown.open{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
.tab-dropdown::-webkit-scrollbar{width:5px;}
.tab-dropdown::-webkit-scrollbar-thumb{background:rgba(0,0,0,.12);border-radius:3px;}
.tab-option{display:flex;align-items:center;gap:10px;font-size:13px;padding:9px 12px;border-radius:8px;color:var(--ink);cursor:pointer;transition:background .12s,color .12s;}
.tab-option:hover{background:rgba(0,102,204,.06);color:var(--blue);}
.tab-option.active{background:rgba(0,102,204,.08);color:var(--blue);font-weight:600;}
.tab-option .check{margin-left:auto;font-size:14px;color:var(--blue);opacity:0;}
.tab-option.active .check{opacity:1;}

/* Hot list card */
.card{position:relative;overflow:hidden;background:rgba(255,255,255,.26);backdrop-filter:blur(32px) saturate(200%);-webkit-backdrop-filter:blur(32px) saturate(200%);border:1px solid rgba(255,255,255,.22);border-radius:18px;box-shadow:0 10px 34px rgba(0,0,0,.07),inset 0 1px 0 rgba(255,255,255,.25),inset 0 -1px 0 rgba(0,0,0,.04);transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 24%);pointer-events:none;border-radius:inherit;}
.card>*{position:relative;z-index:1;}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 50px rgba(0,0,0,.12),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);border-color:rgba(255,255,255,.4);}
.card-head{display:flex;justify-content:space-between;align-items:baseline;padding:20px 24px;border-bottom:1px solid var(--line);}
.card-head h2{font-size:18px;font-weight:700;}
.card-head .upd{font-size:13px;color:var(--gray);}
.row{position:relative;display:flex;align-items:center;gap:16px;padding:14px 24px;border-bottom:1px solid #f0f0f2;transition:background .18s;}
.row::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;background:var(--blue);border-radius:0 3px 3px 0;transform:scaleY(0);opacity:0;transform-origin:center;transition:transform .22s cubic-bezier(.2,.7,.2,1),opacity .22s;}
.row:hover::before{transform:scaleY(1);opacity:1;}
.row:hover{background:rgba(0,102,204,.05);}
.row:last-child{border-bottom:none;}
.rank{width:26px;text-align:center;font-weight:900;font-size:17px;color:var(--ink);flex:none;}
.rank.top1{color:var(--r1);} .rank.top2{color:var(--r2);} .rank.top3{color:var(--r3);}
.title{flex:1;font-size:15px;color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:pointer;}
.title:hover{color:var(--blue);}
.meta{display:flex;align-items:center;gap:10px;flex:none;font-size:12px;}
.meta .src{color:var(--gray);opacity:.7;}
.meta .heat{display:flex;align-items:center;gap:3px;color:var(--gray);}
.meta .heat svg{flex:none;}
.meta .trend{font-size:11px;font-weight:600;padding:2px 7px;border-radius:5px;}
.meta .trend.new{background:rgba(0,102,204,.1);color:var(--blue);}
.meta .trend.up{background:rgba(52,199,89,.12);color:var(--green);}
.meta .trend.down{background:rgba(142,142,147,.15);color:var(--gray);}
.meta .time{color:var(--gray);opacity:.6;font-size:11px;}
.star{flex:none;width:32px;height:32px;border:none;background:transparent;cursor:pointer;color:#c7c7cc;transition:transform .12s,color .12s;display:flex;align-items:center;justify-content:center;border-radius:999px;padding:0;}
.star svg{width:18px;height:18px;}
.star:hover{background:var(--parchment);}
.star.on{color:#ff9500;}
.star.on svg{fill:#ff9500;stroke:#ff9500;}
.card-more{padding:16px 24px;text-align:center;font-size:14px;color:var(--blue);font-weight:500;cursor:pointer;}
.card-more:hover{text-decoration:underline;}
.list-empty{text-align:center;padding:48px 24px;color:var(--gray);font-size:14px;line-height:1.8;}
.list-empty span{display:block;font-size:13px;opacity:.75;margin-top:6px;}
.live-feed .lf-empty{padding:18px 4px;color:var(--gray);font-size:13px;}

/* Sidebar unified card */
.side .side-unified{padding:8px 0;}
.side .side-block{padding:16px 20px;border-bottom:1px solid rgba(0,0,0,.05);}
.side .side-block:last-child{border-bottom:none;}
.side .side-block h3{font-size:14px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:6px;color:var(--ink);}
.side .side-block h3::before{content:"";width:3px;height:13px;background:linear-gradient(180deg,var(--blue),var(--blue)88%);border-radius:2px;}
.side .side-block .live-feed{gap:0;}
.side .side-block .live-feed li{padding:7px 0;}
.side .side-block-pick{background:linear-gradient(135deg,rgba(0,102,204,.05),rgba(255,149,0,.04));}
.stat-row{display:flex;gap:12px;}
.stat{flex:1;}
.stat .num{font-size:26px;font-weight:900;line-height:1.1;}
.stat .lbl{font-size:12px;color:var(--gray);margin-top:4px;}
.stat .num.blue{color:var(--blue);} .stat .num.green{color:var(--green);}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{font-size:13px;padding:7px 14px;background:rgba(0,102,204,.08);border:1px solid rgba(0,102,204,.15);border-radius:999px;color:var(--blue);cursor:pointer;transition:background .15s;}
.chip:hover{background:rgba(0,102,204,.15);}
.empty{color:var(--gray);font-size:14px;line-height:1.7;}
.empty .go{display:inline-block;margin-top:14px;font-size:14px;color:var(--blue);border:1px solid var(--blue);padding:9px 18px;border-radius:999px;transition:all .15s;}
.empty .go:hover{background:var(--blue);color:#fff;}
.live-feed{list-style:none;display:flex;flex-direction:column;margin:0 -4px;}
.live-feed li{display:flex;gap:10px;padding:10px 4px;border-bottom:1px dashed rgba(0,0,0,.07);font-size:13px;line-height:1.5;cursor:pointer;transition:background .15s;}
.live-feed li:last-child{border-bottom:none;}
.live-feed li:hover{background:rgba(0,102,204,.04);}
.live-feed .time{flex:none;font-size:11px;color:var(--blue);width:42px;font-weight:600;font-variant-numeric:tabular-nums;padding-top:1px;}
.live-feed .text{flex:1;min-width:0;color:var(--ink);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;transition:color .15s;}
.live-feed li:hover .text{color:var(--blue);}
.live-feed li:hover .time{color:var(--ink);}

/* 侧栏：今日推荐卡 */
.side-block-pick .pick{padding:12px 14px;}
.pick{flex:1;display:flex;flex-direction:column;justify-content:center;gap:10px;padding:16px;background:linear-gradient(135deg,rgba(0,102,204,.10),rgba(175,82,222,.10));border:1px dashed rgba(0,102,204,.22);border-radius:14px;cursor:pointer;transition:transform .25s,box-shadow .25s,border-color .25s,background .3s;}
.pick:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,102,204,.14);border-color:rgba(0,102,204,.45);border-style:solid;background:linear-gradient(135deg,rgba(0,102,204,.16),rgba(175,82,222,.16));}
.pick .ptag{font-size:11px;color:var(--blue);font-weight:700;letter-spacing:.5px;}
.pick .ptitle{font-size:14px;font-weight:700;color:var(--ink);line-height:1.5;}
.pick .pmeta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--gray);margin-top:4px;}
.pick .pmeta .heat{color:var(--r2);font-weight:700;font-variant-numeric:tabular-nums;}

/* 侧栏最后一张卡自适应拉伸 — 让两列底部对齐 */
.side .card:last-child{padding-bottom:22px;}

/* Featured — frosted glass */
.featured{position:relative;overflow:hidden;background:linear-gradient(180deg,transparent 0%,rgba(255,255,255,.18) 60px,rgba(255,255,255,.45) 240px,rgba(255,255,255,.28) 100%);color:var(--ink);padding:84px 32px 72px;}
.featured::before{content:"";position:absolute;top:40px;left:10%;width:260px;height:260px;background:radial-gradient(circle,rgba(255,149,0,.22),transparent 70%);filter:blur(30px);pointer-events:none;animation:floatA 12s ease-in-out infinite;}
.featured::after{content:"";position:absolute;bottom:-60px;right:6%;width:260px;height:260px;background:radial-gradient(circle,rgba(0,184,168,.18),transparent 70%);filter:blur(30px);pointer-events:none;animation:floatB 14s ease-in-out infinite;}
.featured .fh{position:relative;z-index:1;max-width:1360px;margin:0 auto;}
.featured h2{font-size:28px;font-weight:900;margin-bottom:28px;letter-spacing:-.5px;}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.fcard{position:relative;overflow:hidden;background:rgba(255,255,255,.26);backdrop-filter:blur(36px) saturate(200%);-webkit-backdrop-filter:blur(36px) saturate(200%);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:12px;min-height:220px;box-shadow:0 10px 34px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;}
.fcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 26%);pointer-events:none;border-radius:inherit;}
.fcard>*{position:relative;z-index:1;}
.fcard:hover{transform:translateY(-5px);box-shadow:0 20px 56px rgba(0,0,0,.16),inset 0 1px 0 rgba(255,255,255,.35),inset 0 -1px 0 rgba(0,0,0,.04);border-color:rgba(255,255,255,.4);}
.fcard .tag{font-size:12px;color:var(--blue);font-weight:700;letter-spacing:1px;}
.fcard h3{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.3px;line-height:1.35;}
.fcard p{font-size:14px;color:var(--gray);line-height:1.7;flex:1;}
.fcard a{font-size:14px;color:var(--blue);font-weight:600;}
.fcard a:hover{color:#004999;}

/* Footer */
.footer{background:rgba(245,245,247,.7);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.6);padding:48px 32px;color:var(--gray);font-size:13px;}
.footer .fin{max-width:1360px;margin:0 auto;display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.footer .brand .b{color:var(--ink);font-weight:900;font-size:18px;margin-bottom:8px;}
.footer .cols{display:flex;gap:64px;flex-wrap:wrap;}
.footer .col h4{color:var(--ink);font-size:13px;font-weight:700;margin-bottom:12px;}
.footer .col a{display:block;margin-bottom:8px;color:var(--gray);}
.footer .col a:hover{color:var(--ink);}
.footer .legal{max-width:1360px;margin:32px auto 0;border-top:1px solid #d9d9de;padding-top:20px;}

/* Topic detail */
.breadcrumb{max-width:1360px;margin:0 auto;padding:24px 32px 0;font-size:13px;color:var(--gray);}
.breadcrumb a:hover{color:var(--blue);}
.topic{max-width:1360px;margin:0 auto;padding:16px 32px 48px;}
.topic-head{background:rgba(255,255,255,.6);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border:1px solid rgba(255,255,255,.7);border-radius:18px;padding:32px;margin-bottom:24px;box-shadow:0 10px 34px rgba(0,0,0,.06);}
.topic-head h1{font-size:30px;font-weight:900;letter-spacing:-.5px;margin-bottom:16px;line-height:1.3;}
.topic-meta{display:flex;gap:20px;align-items:center;flex-wrap:wrap;color:var(--gray);font-size:14px;margin-bottom:16px;}
.topic-meta .badge{background:var(--parchment);padding:5px 12px;border-radius:999px;color:var(--ink);font-weight:500;}
.topic-meta .heat{width:auto;}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;}
.tags .chip{background:var(--parchment);}
.topic-summary{font-size:16px;line-height:1.8;color:#333;}
.topic-actions{margin-top:24px;}
.btn-fav{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:11px 22px;border-radius:999px;border:1px solid var(--blue);color:var(--blue);cursor:pointer;background:#fff;transition:all .15s;}
.btn-fav:hover{background:#eef5ff;}
.btn-fav.on{background:var(--blue);color:#fff;}
.btn-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;padding:11px 22px;border-radius:999px;background:var(--blue);color:#fff;text-decoration:none;cursor:pointer;transition:all .15s;}
.btn-link:hover{filter:brightness(1.08);}
.timeline{background:rgba(255,255,255,.6);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border:1px solid rgba(255,255,255,.7);border-radius:18px;padding:28px 32px;margin-bottom:24px;box-shadow:0 10px 34px rgba(0,0,0,.06);}
.timeline h3{font-size:16px;font-weight:700;margin-bottom:18px;}
.tl-item{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid #f0f0f2;}
.tl-item:last-child{border-bottom:none;}
.tl-time{width:54px;flex:none;font-size:13px;color:var(--blue);font-weight:600;padding-top:2px;}
.tl-text{font-size:14px;color:#333;line-height:1.6;}
.related{background:rgba(255,255,255,.6);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border:1px solid rgba(255,255,255,.7);border-radius:18px;padding:28px 32px;box-shadow:0 10px 34px rgba(0,0,0,.06);}
.related h3{font-size:16px;font-weight:700;margin-bottom:16px;}
.rel-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #f0f0f2;cursor:pointer;}
.rel-item:last-child{border-bottom:none;}
.rel-item .rel-title{flex:1;font-size:14px;color:var(--ink);}
.rel-item .rel-title:hover{color:var(--blue);}
.rel-item .rel-heat{font-size:13px;color:var(--gray);}

/* Favorites / search lists */
.list-card{background:rgba(255,255,255,.6);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border:1px solid rgba(255,255,255,.7);border-radius:18px;padding:8px 0;box-shadow:0 10px 34px rgba(0,0,0,.06);}
/* 列表视图下，row 的 .thumb 隐藏、.body 用 display:contents 让子元素平铺（卡片视图才用） */
.row .thumb{display:none;}
.row .body{display:contents;}
.fav-item{display:flex;align-items:center;gap:16px;padding:14px 24px;border-bottom:1px solid #f0f0f2;}
.fav-item:last-child{border-bottom:none;}
.fav-item .body{display:flex;align-items:center;gap:16px;flex:1;min-width:0;}
.fav-item .title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.fav-item .meta{flex:none;}
.fav-remove{flex:none;font-size:13px;color:var(--gray);background:none;border:none;cursor:pointer;padding:6px 10px;border-radius:8px;}
.fav-remove:hover{color:var(--r1);background:#fff0ef;}
.notice{max-width:1360px;margin:0 auto;padding:0 32px 32px;color:var(--gray);font-size:14px;}
.results-count{max-width:1360px;margin:0 auto;padding:0 32px 16px;color:var(--gray);font-size:14px;}

/* Search box in nav */
.search-inline{display:flex;align-items:center;gap:8px;background:rgba(0,0,0,.04);border:1px solid transparent;border-radius:999px;padding:7px 14px;min-width:220px;transition:border-color .15s,background .15s;}
.search-inline:focus-within{border-color:var(--blue);background:#fff;}
.search-inline input{border:none;outline:none;background:transparent;color:var(--ink);font-size:13px;flex:1;font-family:inherit;}
.search-inline input::placeholder{color:#9a9a9f;}

/* === Phase 1 布局打磨 === */
.compact-hero{position:relative;overflow:hidden;max-width:1360px;margin:24px auto 0;padding:40px 36px;display:grid;grid-template-columns:1fr 320px 260px;gap:24px;align-items:center;background:radial-gradient(ellipse at 18% 28%,rgba(0,102,204,.30),transparent 55%),radial-gradient(ellipse at 82% 72%,rgba(175,82,222,.28),transparent 55%),rgba(255,255,255,.22);backdrop-filter:blur(32px) saturate(200%);-webkit-backdrop-filter:blur(32px) saturate(200%);border:1px solid rgba(255,255,255,.22);border-radius:24px;box-shadow:0 20px 60px rgba(0,0,0,.10),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);animation:heroIn .6s cubic-bezier(.2,.7,.2,1) both,heroBg 22s ease-in-out infinite;}
.compact-hero::before{content:"";position:absolute;top:-100px;right:-60px;width:360px;height:360px;background:radial-gradient(circle,rgba(0,102,204,.55),transparent 65%);filter:blur(32px);pointer-events:none;animation:floatA 9s ease-in-out infinite;}
.compact-hero::after{content:"";position:absolute;bottom:-100px;left:-40px;width:320px;height:320px;background:radial-gradient(circle,rgba(175,82,222,.48),transparent 65%);filter:blur(32px);pointer-events:none;animation:floatB 11s ease-in-out infinite;}
.hero-blob-3{position:absolute;top:38%;left:46%;width:240px;height:240px;background:radial-gradient(circle,rgba(255,149,0,.42),transparent 65%);filter:blur(30px);pointer-events:none;animation:floatC 13s ease-in-out infinite;z-index:0;}
.hero-left{display:flex;flex-direction:column;align-items:flex-start;position:relative;z-index:2;min-width:0;}
.hero-stat-card{position:relative;overflow:hidden;z-index:2;background:rgba(255,255,255,.26);backdrop-filter:blur(36px) saturate(200%);-webkit-backdrop-filter:blur(36px) saturate(200%);border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:16px 18px;box-shadow:0 12px 32px rgba(0,0,0,.10),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);animation:cardIn .8s .25s cubic-bezier(.2,.7,.2,1) both;}
.hero-stat-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 28%);pointer-events:none;border-radius:inherit;}

/* Hero 中间 — 当前最热 spotlight */
.hero-spotlight{position:relative;overflow:hidden;z-index:2;background:rgba(255,255,255,.26);backdrop-filter:blur(36px) saturate(200%);-webkit-backdrop-filter:blur(36px) saturate(200%);border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:18px 20px;box-shadow:0 12px 32px rgba(0,0,0,.10),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);animation:cardIn .8s .35s cubic-bezier(.2,.7,.2,1) both;cursor:pointer;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;display:flex;flex-direction:column;gap:12px;min-width:0;}
.hero-spotlight::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 28%);pointer-events:none;border-radius:inherit;}
.hero-spotlight:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(0,0,0,.16),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);border-color:rgba(255,255,255,.35);}
.hero-spotlight>*{position:relative;z-index:1;}
.hero-spotlight .spot-label{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#b25b00;letter-spacing:.5px;}
.hero-spotlight .spot-label .dot{width:6px;height:6px;border-radius:50%;background:var(--r2);box-shadow:0 0 0 3px rgba(255,149,0,.22);animation:pulse 1.8s infinite;}
.hero-spotlight .spot-label .live-tag{margin-left:auto;font-size:10px;color:var(--green);font-weight:600;}
.hero-spotlight .spot-title{font-size:16px;font-weight:800;line-height:1.45;color:var(--ink);letter-spacing:-.2px;}
.hero-spotlight .spot-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--gray);gap:8px;flex-wrap:wrap;}
.hero-spotlight .spot-platform{color:var(--blue);font-weight:600;background:rgba(0,102,204,.08);border:1px solid rgba(0,102,204,.18);border-radius:999px;padding:2px 10px;}
.hero-spotlight .spot-heat{font-weight:700;color:var(--r2);font-variant-numeric:tabular-nums;}
.hero-spotlight .spot-arrow{font-size:13px;color:var(--blue);font-weight:600;display:flex;align-items:center;gap:4px;margin-top:auto;}
.hero-spotlight .spot-arrow .arr{transition:transform .2s;}
.hero-spotlight:hover .spot-arrow .arr{transform:translateX(4px);}
.hero-stat-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.hero-stat-head h3{font-size:12px;font-weight:700;color:var(--ink);letter-spacing:.5px;display:flex;align-items:center;gap:6px;}
.hero-stat-head h3::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 3px rgba(0,102,204,.18);}
.hero-stat-head .live-tag{font-size:10px;color:var(--green);font-weight:600;display:flex;align-items:center;gap:4px;}
.hero-stat-head .live-tag::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--green);animation:pulse 1.8s infinite;}
.hero-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:12px;}
.hero-stat-cell{background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.7);border-radius:10px;padding:8px 10px;}
.hero-stat-cell .num{font-size:17px;font-weight:900;color:var(--blue);line-height:1.1;display:block;}
.hero-stat-cell .num small{font-size:11px;font-weight:700;color:var(--blue);margin-left:1px;opacity:.85;}
.hero-stat-cell .lbl{font-size:10px;color:var(--gray);margin-top:3px;display:block;}
.hero-stat-cell.delta .num{color:var(--green);}
.hero-bars{overflow:hidden;padding-top:8px;border-top:1px dashed rgba(0,0,0,.08);}
.hero-bars .track{display:inline-flex;gap:6px;white-space:nowrap;will-change:transform;animation:heroScroll 40s linear infinite;}
.hero-bars:hover .track{animation-play-state:paused;}
.hero-bars .bar{display:none;}
.hero-bars .item{font-size:11px;color:var(--gray);white-space:nowrap;padding:3px 8px;background:rgba(255,255,255,.6);border-radius:6px;border:1px solid rgba(0,0,0,.04);}
@keyframes heroScroll{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}
@keyframes cardIn{from{opacity:0;transform:translateY(20px) scale(.96);}to{opacity:1;transform:none;}}
.compact-hero h1{position:relative;z-index:2;font-size:40px;font-weight:900;letter-spacing:-.5px;}
.compact-hero p{position:relative;z-index:2;color:var(--gray);font-size:15px;margin-top:8px;}
.hero-pill{position:relative;z-index:3;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--gray);background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.7);border-radius:999px;padding:7px 14px;margin-bottom:16px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);}
.hero-pill #hero-clock{font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600;}

/* Hero 左下快捷入口 */
.hero-quick{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative;z-index:3;max-width:580px;}
.hero-quick a{display:inline-flex;align-items:center;font-size:13px;font-weight:500;padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.7);color:var(--ink);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:all .15s;}
.hero-quick a:hover{background:#fff;color:var(--blue);border-color:var(--blue);transform:translateY(-1px);box-shadow:0 6px 16px rgba(0,102,204,.18);}
.hero-chips{position:relative;z-index:3;}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 1.8s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,199,89,.55);}70%{box-shadow:0 0 0 8px rgba(52,199,89,0);}100%{box-shadow:0 0 0 0 rgba(52,199,89,0);}}
@keyframes heroIn{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:none;}}
@keyframes heroBg{0%,100%{background-position:0% 50%,100% 50%,0 0;}50%{background-position:80% 20%,20% 80%,0 0;}}
@keyframes floatA{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(40px,28px) scale(1.08);}}
@keyframes floatB{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-32px,-22px) scale(1.1);}}
@keyframes floatC{0%,100%{transform:translate(0,0) scale(1);}33%{transform:translate(50px,-30px) scale(1.05);}66%{transform:translate(-40px,24px) scale(.95);}}

.toolbar{position:sticky;top:52px;z-index:20;background:rgba(255,255,255,.6);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);display:flex;align-items:center;gap:12px;padding:12px 16px;margin-bottom:0;border:1px solid rgba(255,255,255,.7);border-radius:16px;box-shadow:0 6px 20px rgba(0,0,0,.05);}
.tabs{margin-bottom:0;}
.view-toggle{margin-left:auto;display:flex;background:var(--parchment);border-radius:999px;padding:3px;}
.view-toggle button{border:none;background:transparent;font-family:inherit;font-size:13px;color:var(--gray);padding:6px 14px;border-radius:999px;cursor:pointer;transition:all .15s;}
.view-toggle button.active{background:#fff;color:var(--ink);font-weight:500;box-shadow:0 1px 2px rgba(0,0,0,.08);}

.side{position:sticky;top:84px;}

.nav-fav{font-size:13px;color:var(--gray);padding:7px 12px;border-radius:999px;transition:color .15s;}
.nav-fav:hover{color:var(--blue);}

/* 卡片视图 */
/* 卡片视图：缩略图 + 信息卡（3 列网格） */
.list.card-view{padding:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.list.card-view .row{flex-wrap:wrap;border-bottom:none;border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:0;align-items:stretch;background:rgba(255,255,255,.5);overflow:hidden;cursor:pointer;}
.list.card-view .row::before{display:none;}
.list.card-view .row:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(0,0,0,.12),inset 0 1px 0 rgba(255,255,255,.3);border-color:rgba(255,255,255,.4);}
.list.card-view .row .thumb{width:100%;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;font-size:38px;font-weight:900;color:rgba(255,255,255,.95);letter-spacing:2px;text-shadow:0 2px 12px rgba(0,0,0,.18);position:relative;}
.list.card-view .row .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.18) 0%,rgba(255,255,255,0) 35%);pointer-events:none;}
.list.card-view .row .body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:8px;width:100%;position:relative;}
.list.card-view .row .body .src{font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px;width:fit-content;letter-spacing:.3px;}
.list.card-view .row .body .heat{font-size:12px;color:#ff7a00;font-weight:700;display:flex;align-items:center;gap:3px;}
.list.card-view .row .body .trend{font-size:11px;padding:1px 6px;border-radius:5px;}
.list.card-view .row .body .time{font-size:11px;color:var(--gray);opacity:.6;}
.list.card-view .row .body .meta{margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.list.card-view .row .body .title{order:0;font-size:15px;font-weight:600;line-height:1.45;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--ink);flex:1 1 auto;}
.list.card-view .row .body .star{position:absolute;bottom:10px;right:10px;z-index:2;}
.list.card-view .row .rank{position:absolute;top:8px;left:10px;background:rgba(0,0,0,.5);color:#fff;border-radius:6px;padding:1px 7px;font-size:12px;font-weight:800;z-index:2;backdrop-filter:blur(6px);}

/* === 热点速览 === */
.spotlight{position:relative;padding:48px 32px 56px;background:linear-gradient(180deg,transparent 0%,rgba(0,102,204,.06) 18%,rgba(175,82,222,.12) 50%,rgba(255,149,0,.10) 82%,transparent 100%);overflow:hidden;}
.spotlight::before{content:"";position:absolute;top:80px;left:5%;width:280px;height:280px;background:radial-gradient(circle,rgba(0,102,204,.38),transparent 70%);filter:blur(48px);pointer-events:none;animation:floatA 14s ease-in-out infinite;}
.spotlight::after{content:"";position:absolute;bottom:60px;right:6%;width:260px;height:260px;background:radial-gradient(circle,rgba(175,82,222,.34),transparent 70%);filter:blur(48px);pointer-events:none;animation:floatB 16s ease-in-out infinite;}
.spotlight .sh{max-width:1360px;margin:0 auto;position:relative;z-index:1;}
.spotlight h2{font-size:22px;font-weight:900;margin:8px 0 22px;}
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.scard{position:relative;overflow:hidden;background:rgba(255,255,255,.22);backdrop-filter:blur(36px) saturate(210%);-webkit-backdrop-filter:blur(36px) saturate(210%);border:1px solid rgba(255,255,255,.2);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:10px;cursor:pointer;box-shadow:0 12px 36px rgba(0,0,0,.10),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.05);transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;}
.scard::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--plat-color,rgba(0,102,204,.28)) 0%,transparent 65%);pointer-events:none;z-index:0;border-radius:inherit;}
.scard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 26%);pointer-events:none;z-index:0;border-radius:inherit;}
.scard>*{position:relative;z-index:1;}
.scard:hover{transform:translateY(-5px);box-shadow:0 22px 56px rgba(0,0,0,.18),inset 0 1px 0 rgba(255,255,255,.35),inset 0 -1px 0 rgba(0,0,0,.05);border-color:rgba(255,255,255,.4);}
.scard .platform{font-size:12px;color:var(--blue);font-weight:700;letter-spacing:.5px;}
.scard h3{font-size:16px;font-weight:700;line-height:1.45;}
.scard .meta{display:flex;align-items:center;gap:14px;margin-top:auto;font-size:13px;color:var(--gray);}
.scard .meta .heat{display:flex;align-items:center;gap:4px;}
/* 各平台淡色调 — 玻璃基底显色 */
.scard-weibo{--plat-color:rgba(255,59,48,.28);}
.scard-zhihu{--plat-color:rgba(0,102,204,.28);}
.scard-douyin{--plat-color:rgba(255,149,0,.30);}
.scard-baidu{--plat-color:rgba(41,50,225,.26);}
.scard-bilibili{--plat-color:rgba(175,82,222,.30);}
.scard-default{--plat-color:rgba(0,184,168,.26);}
.scard-xiaohongshu{--plat-color:rgba(255,36,66,.30);}
.scard-tieba{--plat-color:rgba(78,110,242,.28);}
.scard-kuaishou{--plat-color:rgba(255,73,6,.28);}
.scard-toutiao{--plat-color:rgba(255,63,63,.28);}
.scard-36kr{--plat-color:rgba(0,167,224,.28);}
.scard-ithome{--plat-color:rgba(47,107,255,.28);}
.scard-juejin{--plat-color:rgba(30,128,255,.28);}
.scard-v2ex{--plat-color:rgba(95,107,122,.28);}
.scard-sspai{--plat-color:rgba(230,66,65,.28);}
.scard-nga{--plat-color:rgba(240,180,0,.30);}
.scard-hupu{--plat-color:rgba(245,166,35,.30);}
.scard-thepaper{--plat-color:rgba(228,57,60,.28);}
.scard-csdn{--plat-color:rgba(202,12,22,.28);}
.scard-smzdm{--plat-color:rgba(255,87,34,.28);}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;position:relative;z-index:2;}
.hero-chips a{font-size:13px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.7);color:var(--ink);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:all .15s;}
.hero-chips a:hover{background:#fff;color:var(--blue);border-color:var(--blue);}

/* === 左栏：24h 热度趋势 + 飙升话题 === */
.trend-card{flex:1;display:flex;flex-direction:column;}
.trend-body{padding:18px 24px 6px;display:flex;flex-direction:column;gap:14px;}
.trend-cap{font-size:11px;color:var(--gray);line-height:1.5;margin:0 0 8px;}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;}
.topic-cell{background:rgba(255,255,255,.55);border:1px solid rgba(0,102,204,.18);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:6px;min-height:170px;transition:transform .18s,box-shadow .18s,border-color .18s;cursor:pointer;}
.topic-cell:hover{border-color:rgba(0,102,204,.5);box-shadow:0 4px 16px rgba(0,102,204,.10);transform:translateY(-2px);}
.topic-cell.peak{border-color:#ff9500;background:linear-gradient(135deg,rgba(255,149,0,.12),rgba(255,59,48,.06));box-shadow:0 4px 16px rgba(255,149,0,.18);}
.topic-cell.selected{border-color:var(--blue);background:linear-gradient(135deg,rgba(0,102,204,.10),rgba(0,184,168,.04));box-shadow:0 4px 18px rgba(0,102,204,.20);transform:translateY(-2px);}
.topic-cell.selected.peak{border-color:#ff9500;}
.topic-cell.empty{border-style:dashed;background:transparent;align-items:center;justify-content:center;color:rgba(0,0,0,.25);cursor:default;min-height:80px;}
.topic-cell.empty:hover{transform:none;box-shadow:none;border-color:rgba(0,0,0,.10);}
.topic-cell .tc-hour{font-size:11px;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums;letter-spacing:.5px;display:flex;align-items:center;justify-content:space-between;}
.topic-cell.peak .tc-hour{color:#ff3b30;}
.topic-cell .tc-hour .tc-flag{font-size:9px;color:#ff9500;font-weight:700;background:rgba(255,149,0,.12);padding:1px 6px;border-radius:8px;}
.topic-cell .tc-row{display:flex;align-items:center;gap:6px;font-size:12px;line-height:1.3;}
.topic-cell .tc-rank{width:14px;height:14px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:800;color:#fff;flex:none;}
.topic-cell .tc-rank.r1{background:linear-gradient(135deg,#ff3b30,#ff9500);}
.topic-cell .tc-rank.r2{background:linear-gradient(135deg,#ff9500,#ffcc00);}
.topic-cell .tc-rank.r3{background:linear-gradient(135deg,#0bb8a8,#0066cc);}
.topic-cell .tc-line{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px;}
.topic-cell .tc-title{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.topic-cell .tc-meta{font-size:10px;color:var(--gray);font-variant-numeric:tabular-nums;display:flex;gap:6px;align-items:center;}
.topic-cell .tc-heat{color:var(--blue);font-weight:800;}
.topic-cell.peak .tc-heat{color:#ff3b30;}
.topic-cell .tc-plat{background:rgba(0,102,204,.10);padding:0 5px;border-radius:3px;color:var(--blue);font-weight:600;max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topic-cell.peak .tc-plat{background:rgba(255,149,0,.15);color:#ff3b30;}
.topic-cell .tc-empty{font-size:14px;color:rgba(0,0,0,.2);font-weight:300;line-height:1.4;}
.bars-insight{margin-top:12px;font-size:12px;color:var(--ink);line-height:1.7;background:linear-gradient(90deg,rgba(255,149,0,.10),rgba(255,59,48,.04));border-left:3px solid #ff9500;padding:8px 10px;border-radius:0 8px 8px 0;}
.bars-insight em{color:#ff3b30;font-style:normal;font-weight:700;}
.bars-insight .quiet{color:var(--gray);font-size:11px;}
.bars-insight .bh-icon{margin-right:4px;}
.trend-metrics{display:flex;gap:12px;}
.trend-metrics .tm{flex:1;background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.7);border-radius:12px;padding:10px 12px;}
.trend-metrics .num{font-size:18px;font-weight:900;color:var(--blue);display:block;line-height:1.15;font-variant-numeric:tabular-nums;}
.trend-metrics .num.green{color:var(--green);}
.trend-metrics .lbl{font-size:11px;color:var(--gray);margin-top:4px;display:block;}
.surging{padding:14px 24px 22px;}
.surging-head{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.surging-head .surging-reset{font-size:11px;font-weight:500;color:var(--blue);background:rgba(0,102,204,.10);padding:2px 10px;border-radius:999px;cursor:pointer;margin-left:auto;display:none;}
.surging-head .surging-reset:hover{background:rgba(0,102,204,.20);}
.surging-head.active .surging-reset{display:inline-block;}
.surging-list{list-style:none;display:flex;flex-direction:column;}
.surging-list li{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed rgba(0,0,0,.07);font-size:13px;cursor:pointer;transition:background .15s;}
.surging-list li:last-child{border-bottom:none;}
.surging-list .rk{width:18px;height:18px;border-radius:6px;background:linear-gradient(135deg,#ff9500,#ff3b30);color:#fff;font-size:10px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none;}
.surging-list .st{flex:1;min-width:0;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .15s;font-weight:500;}
.surging-list .heat{flex:none;font-size:12px;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums;}
.surging-list .plat{flex:none;font-size:10px;font-weight:600;color:var(--blue);background:rgba(0,102,204,.10);padding:2px 7px;border-radius:4px;max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.surging-list .trend{flex:none;font-size:11px;font-weight:700;padding:1px 6px;border-radius:4px;}
.surging-list .trend.up{color:#ff3b30;background:rgba(255,59,48,.08);}
.surging-list .trend.down{color:#00a86b;background:rgba(0,168,107,.08);}
.surging-list .trend.new{color:#ff9500;background:rgba(255,149,0,.10);}
.surging-list li:hover{background:rgba(0,102,204,.04);}
.surging-list li:hover .st{color:var(--blue);}

/* === 顶部滚动跑马灯 === */
.ticker{overflow:hidden;background:rgba(255,255,255,.55);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);border-bottom:1px solid rgba(0,0,0,.05);padding:9px 0;position:relative;z-index:40;}
.ticker-track{display:inline-flex;gap:48px;white-space:nowrap;will-change:transform;animation:ticker 40s linear infinite;}
.ticker:hover .ticker-track{animation-play-state:paused;}
.ticker-item{font-size:13px;color:var(--gray);display:inline-flex;align-items:center;gap:7px;}
.ticker-item b{color:var(--ink);font-weight:600;}
.ticker-item .fire{color:var(--r1);font-size:12px;}
@keyframes ticker{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* === 子页打磨：与首页一致的 iOS 磨砂玻璃 === */
.topic-head{position:relative;overflow:hidden;background:rgba(255,255,255,.26);backdrop-filter:blur(36px) saturate(200%);-webkit-backdrop-filter:blur(36px) saturate(200%);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:34px 36px;margin-bottom:24px;box-shadow:0 12px 38px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);}
.topic-head::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 22%);pointer-events:none;border-radius:inherit;}
.topic-head>*{position:relative;z-index:1;}
.topic-accent{position:absolute;top:0;left:0;right:0;height:4px;background:var(--plat,#0066cc);z-index:2;}
.topic-stats{display:flex;flex-wrap:wrap;gap:30px;margin-top:20px;padding-top:18px;border-top:1px solid rgba(0,0,0,.06);}
.tstat .num{font-size:22px;font-weight:900;color:var(--ink);line-height:1.1;display:block;}
.tstat .lbl{font-size:12px;color:var(--gray);margin-top:4px;display:block;}
.timeline{position:relative;overflow:hidden;background:rgba(255,255,255,.26);backdrop-filter:blur(36px) saturate(200%);-webkit-backdrop-filter:blur(36px) saturate(200%);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:28px 32px;margin-bottom:24px;box-shadow:0 12px 38px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);}
.timeline::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 22%);pointer-events:none;border-radius:inherit;}
.timeline>*{position:relative;z-index:1;}
.tl-item{border-left:3px solid var(--plat,#0066cc);padding-left:16px;margin-left:2px;}
.related{position:relative;overflow:hidden;background:rgba(255,255,255,.26);backdrop-filter:blur(36px) saturate(200%);-webkit-backdrop-filter:blur(36px) saturate(200%);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:28px 32px;box-shadow:0 12px 38px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);}
.related::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 22%);pointer-events:none;border-radius:inherit;}
.related>*{position:relative;z-index:1;}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;}
.rel-card{background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.7);border-radius:14px;padding:14px 16px;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;}
.rel-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.10);border-color:rgba(255,255,255,.6);background:#fff;}
.rel-card .rc-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.rel-card .rc-plat{font-size:11px;color:var(--blue);font-weight:600;margin-top:8px;}
.rel-card .rc-heat{font-size:12px;color:var(--gray);margin-top:4px;display:flex;align-items:center;gap:4px;}
.list-card{position:relative;overflow:hidden;background:rgba(255,255,255,.26);backdrop-filter:blur(36px) saturate(200%);-webkit-backdrop-filter:blur(36px) saturate(200%);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:8px 0;box-shadow:0 12px 38px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);}
.list-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,0) 22%);pointer-events:none;border-radius:inherit;}
.list-card>*{position:relative;z-index:1;}
/* 搜索页 */
.search-pill{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.32);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:13px 22px;max-width:640px;margin-bottom:8px;box-shadow:0 8px 24px rgba(0,0,0,.06),inset 0 1px 0 rgba(255,255,255,.25);transition:border-color .15s,background .15s;}
.search-pill:focus-within{border-color:var(--blue);background:rgba(255,255,255,.5);}
.search-pill svg{flex:none;}
.search-pill input{border:none;outline:none;background:transparent;flex:1;font-size:15px;font-family:inherit;color:var(--ink);}
.search-pill input::placeholder{color:#9a9a9f;}
.search-pill mark{background:rgba(255,149,0,.25);color:inherit;padding:0 2px;border-radius:3px;font-weight:500;}
.suggest{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:4px 0 22px;}
.suggest .slabel{font-size:13px;color:var(--gray);margin-right:2px;}
.suggest .chip{cursor:pointer;}
/* 收藏页 */
.fav-top{display:flex;align-items:center;gap:16px;margin:4px 0 4px;}
.fav-head{font-size:28px;font-weight:900;letter-spacing:-.5px;}
.fav-sub{color:var(--gray);font-size:14px;margin-bottom:20px;}
.fav-clear{margin-left:auto;font-size:13px;color:var(--gray);background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.7);border-radius:999px;padding:7px 14px;cursor:pointer;transition:all .15s;}
.fav-clear:hover{color:var(--r1);border-color:var(--r1);}
.fav-empty-card{position:relative;overflow:hidden;background:rgba(255,255,255,.26);backdrop-filter:blur(36px) saturate(200%);-webkit-backdrop-filter:blur(36px) saturate(200%);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:48px 32px;text-align:center;box-shadow:0 12px 38px rgba(0,0,0,.08),inset 0 1px 0 rgba(255,255,255,.3),inset 0 -1px 0 rgba(0,0,0,.04);}
.fav-empty-card .ico{width:56px;height:56px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:26px;color:#ff9500;background:rgba(255,149,0,.12);}
.fav-empty-card .et{font-size:17px;font-weight:700;margin-bottom:8px;}
.fav-empty-card .ed{color:var(--gray);font-size:14px;line-height:1.7;margin-bottom:20px;}
.fav-empty-card .go{display:inline-block;font-size:14px;color:#fff;background:var(--blue);border-radius:999px;padding:10px 22px;transition:background .15s;}
.fav-empty-card .go:hover{background:#004999;}

@media(max-width:900px){
  .wrap,.topic,.breadcrumb,.results-count,.notice{flex-direction:column;padding-left:24px;padding-right:24px;}
  .side{width:100%;}
  .fgrid{grid-template-columns:1fr;}
  .nav,.hero,.featured,.footer{padding-left:24px;padding-right:24px;}
  .hero h1{font-size:38px;}
  .nav{grid-template-columns:1fr auto;height:auto;padding:10px 24px;gap:10px;}
  .nav .links{justify-self:start;gap:4px;}
  .nav .links a{padding:6px 12px;}
  .nav .right{flex-wrap:wrap;}
}

/* Phase 1 布局打磨 - 响应式 */
@media(max-width:1100px){
  .compact-hero{grid-template-columns:1fr 260px;gap:24px;}
  .hero-spotlight{display:none;}
}
@media(max-width:900px){
  .compact-hero{padding:24px;grid-template-columns:1fr;gap:20px;}
  .compact-hero h1{font-size:28px;}
  .hero-stat-card{padding:18px 20px;}
  .hero-stat-grid{grid-template-columns:1fr 1fr;gap:8px;}
  .hero-stat-cell .num{font-size:18px;}
  .toolbar{flex-direction:column;align-items:stretch;gap:8px;}
  .view-toggle{margin-left:0;align-self:flex-start;}
  .side{position:static;}
  .sgrid{grid-template-columns:1fr;}
  .featured{padding:60px 24px 56px;}
  .spotlight{padding:24px 24px 32px;}
}

/* === 悬浮动效 === */
.topic-head,.timeline,.related,.list-card{transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;}
.topic-head:hover,.timeline:hover,.related:hover{transform:translateY(-4px);box-shadow:0 18px 50px rgba(0,0,0,.12);border-color:rgba(255,255,255,.6);}
.list.card-view .row{transition:transform .2s,box-shadow .2s,border-color .2s;}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .card:hover,.fcard:hover,.topic-head:hover,.timeline:hover,.related:hover,.list.card-view .row:hover{transform:none;}
}

/* === 手机端适配（Phase 3.5，≤768px） === */
@media(max-width:768px){
  /* 全局留白收窄 */
  .wrap{padding:18px 16px 8px;gap:16px;}
  /* 导航：单行 logo+搜索+收藏，链接横排换行 */
  .nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:8px 14px;height:auto;}
  .nav .logo{font-size:17px;}
  .nav .links{order:3;flex:1 1 100%;display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-start;padding-top:2px;}
  .nav .right{order:2;margin-left:auto;display:flex;align-items:center;gap:8px;}
  .nav .search-inline{min-width:140px;flex:1;max-width:200px;padding:6px 12px;}
  .nav .nav-fav{padding:6px 10px;font-size:12px;}
  .nav .login{display:none;}
  /* 吸顶工具栏手机端取消吸顶（导航变两行后 top:52px 会错位） */
  .toolbar{position:static;padding:10px 12px;}
  /* 热榜行：两行布局（rank+标题+收藏 / 平台+热度+趋势） */
  .list:not(.card-view) .row,
  .list-card .row{flex-wrap:wrap;gap:4px 10px;padding:12px 16px;}
  .list:not(.card-view) .row .rank,
  .list-card .row .rank{order:1;width:22px;font-size:15px;}
  .list:not(.card-view) .row .title,
  .list-card .row .title{order:2;font-size:14px;}
  .list:not(.card-view) .row .star,
  .list-card .row .star{order:3;width:26px;height:26px;}
  .list:not(.card-view) .row .meta,
  .list-card .row .meta{order:4;flex:1 1 100%;gap:8px;font-size:11px;padding-left:0;justify-content:flex-start;}
  .list:not(.card-view) .row .meta .time,
  .list-card .row .meta .time{display:none;}
  /* 卡片视图：手机端单列 */
  .list.card-view{grid-template-columns:1fr;gap:12px;padding:12px;}
  .card-head{padding:14px 16px;}
  .card-head h2{font-size:16px;}
  .card-more{padding:12px 16px;}
  .list-empty{padding:32px 16px;}
  /* Hero 压缩 */
  .compact-hero{padding:22px 18px;gap:16px;border-radius:18px;}
  .compact-hero h1{font-size:24px;}
  .compact-hero p{font-size:14px;}
  .hero-pill{font-size:12px;padding:6px 12px;margin-bottom:12px;}
  .hero-stat-card{padding:13px 14px;}
  .hero-stat-cell{padding:6px 8px;}
  .hero-stat-cell .num{font-size:15px;}
  .hero-stat-cell .lbl{font-size:9px;}
  .hero-quick{gap:8px;margin-top:16px;}
  .hero-quick a{padding:8px 13px;font-size:12px;}
  .hero-chips{gap:8px;margin-top:14px;}
  .hero-chips a{padding:7px 13px;font-size:12px;}
  /* 趋势卡 */
  .trend-body{padding:14px 16px 4px;}
  .spark{height:80px;}
  .spark-now .num{font-size:18px;}
  .trend-metrics{gap:8px;}
  .trend-metrics .tm{padding:8px 10px;}
  .trend-metrics .num{font-size:15px;}
  .surging{padding:10px 16px 16px;}
  .surging-list .pct{font-size:11px;}
  /* 侧栏 */
  .side .side-block{padding:13px 16px;}
  .stat .num{font-size:22px;}
  /* 精选 / 速览 */
  .featured{padding:48px 16px 44px;}
  .featured h2{font-size:22px;}
  .fcard{padding:20px;min-height:0;gap:10px;}
  .fcard h3{font-size:17px;}
  .spotlight{padding:28px 16px 36px;}
  .spotlight h2{font-size:19px;}
  .scard{padding:16px;}
  /* 跑马灯 */
  .ticker{padding:7px 0;}
  .ticker-item{font-size:12px;}
  .ticker-track{gap:28px;}
  /* 子页 */
  .breadcrumb{padding:14px 16px 0;}
  .topic{padding:12px 16px 32px;}
  .topic-head{padding:22px 20px;}
  .topic-head h1{font-size:24px;}
  .topic-summary{font-size:15px;}
  .topic-meta{gap:12px;}
  .timeline{padding:20px;}
  .related{padding:20px;}
  .tl-item{gap:10px;}
  .tl-time{width:46px;font-size:12px;}
  .rel-grid{grid-template-columns:1fr;gap:10px;}
  /* 搜索 / 收藏 */
  .search-pill{padding:11px 16px;}
  .suggest{gap:6px;margin-bottom:16px;}
  .fav-top{gap:10px;flex-wrap:wrap;}
  .fav-head{font-size:23px;}
  .fav-item{padding:12px 16px;gap:10px;}
  .fav-empty-card{padding:36px 20px;}
  .results-count,.notice{padding-left:16px;padding-right:16px;}
  /* 页脚 */
  .footer{padding:32px 16px;}
  .footer .cols{gap:32px;}
}

@media(max-width:480px){
  .nav{grid-template-columns:1fr auto;}
  .nav .login{display:none;}
  .hero-stat-grid{grid-template-columns:1fr 1fr;gap:4px;}
  .fgrid{gap:12px;}
  .sgrid{gap:12px;}
  .row{gap:4px 6px;padding:10px 12px;}
  .row .meta{gap:6px;font-size:10px;}
  .meta .heat svg{width:10px;height:10px;}
  .tl-text{font-size:13px;}
  .footer .fin{flex-direction:column;gap:24px;}
}