/* AI剧网 aiju.top · 全站样式（白色主色 / 明暗双主题 / 三端响应式） */
:root{
  --bg:#ffffff; --surface:#ffffff; --surface2:#f6f7fb; --surface3:#eef1f8;
  --text:#171a2c; --text2:#525b70; --text3:#8a92a6;
  --line:#e5e9f2; --line2:#d8deeb;
  --brand:#5b4cf0; --brand2:#e8467c; --accent:#0e9db4;
  --ok:#0f9d6e; --warn:#e08a1e; --danger:#d94a4a;
  --brand-soft:rgba(91,76,240,.09); --pink-soft:rgba(232,70,124,.09); --ok-soft:rgba(15,157,110,.1); --warn-soft:rgba(224,138,30,.11); --danger-soft:rgba(217,74,74,.1);
  --shadow:0 10px 34px rgba(24,32,70,.07); --shadow-lg:0 22px 60px rgba(24,32,70,.13);
  --grad:linear-gradient(118deg,#5b4cf0 0%,#7b54e8 46%,#e8467c 100%);
  --grad-soft:linear-gradient(135deg,rgba(91,76,240,.08),rgba(232,70,124,.06));
  --r:18px; --r-sm:12px; --maxw:1400px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
[data-theme="dark"]{
  --bg:#0c0f1c; --surface:#141a2b; --surface2:#1a2135; --surface3:#222b44;
  --text:#eef1fb; --text2:#aab3c8; --text3:#7f89a3;
  --line:#28314a; --line2:#35405d;
  --brand:#8f82ff; --brand2:#ff72a3; --accent:#43d3e6;
  --ok:#3dd6a0; --warn:#f3b055; --danger:#ff7a7a;
  --brand-soft:rgba(143,130,255,.14); --pink-soft:rgba(255,114,163,.13); --ok-soft:rgba(61,214,160,.12); --warn-soft:rgba(243,176,85,.13); --danger-soft:rgba(255,122,122,.12);
  --shadow:0 12px 38px rgba(0,0,0,.3); --shadow-lg:0 24px 64px rgba(0,0,0,.45);
  --grad:linear-gradient(118deg,#8f82ff 0%,#a274f0 46%,#ff72a3 100%);
  --grad-soft:linear-gradient(135deg,rgba(143,130,255,.13),rgba(255,114,163,.09));
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:var(--line2);border-radius:9px}
::-webkit-scrollbar-track{background:transparent}

/* 背景氛围 */
.bg-grid{position:fixed;inset:0;z-index:-3;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:52px 52px;opacity:.32;mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 78%)}
.bg-glow{position:fixed;z-index:-2;pointer-events:none;border-radius:50%;filter:blur(90px);opacity:.3}
.bg-glow-a{width:520px;height:520px;top:-180px;left:-120px;background:#7b6bff}
.bg-glow-b{width:460px;height:460px;top:280px;right:-180px;background:#e8467c;opacity:.18}
[data-theme="dark"] .bg-glow{opacity:.22}
[data-theme="dark"] .bg-grid{opacity:.2}

/* 通用容器 */
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:74px 0}
.section.tight{padding:52px 0}
.section.alt{background:var(--surface2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:34px;max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--brand);background:var(--brand-soft);border:1px solid var(--line);padding:6px 13px;border-radius:999px;margin-bottom:16px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand2)}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.3px}
h2.sec-title{font-size:clamp(26px,3vw,38px);font-weight:850}
h3{font-size:19px;font-weight:750}
p{margin:0 0 12px}
.lead{font-size:16px;color:var(--text2);line-height:1.85;margin-top:14px}
.muted{color:var(--text2)}
.small{font-size:13px}
.tiny{font-size:12px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.center{text-align:center}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt32{margin-top:32px}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.spread{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:11px;padding:11px 20px;font-size:14px;font-weight:700;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(91,76,240,.24)}
.btn-primary:hover{box-shadow:0 12px 30px rgba(91,76,240,.36)}
.btn-ghost{background:var(--surface);border-color:var(--line2);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-soft{background:var(--brand-soft);color:var(--brand);border-color:var(--line)}
.btn-soft:hover{background:var(--brand);color:#fff}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:9px}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:12px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.icon-btn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface);border-radius:10px;color:var(--text2);transition:all .18s;flex:none}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.icon-btn svg{width:18px;height:18px}

/* 顶栏 */
.site-header{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 28px;height:72px;display:flex;align-items:center;gap:18px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:none}
.brand-mark{width:38px;height:38px;display:block;flex:none}
.brand-mark svg{width:100%;height:100%}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:850;letter-spacing:-.4px}
.brand-text small{font-size:11px;color:var(--text3);letter-spacing:.5px;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:1px;flex:1;min-width:0;overflow:visible}
.nav-link{position:relative;padding:9px 12px;font-size:13.5px;font-weight:650;color:var(--text2);border-radius:9px;white-space:nowrap;transition:all .18s}
.nav-link:hover{background:var(--brand-soft);color:var(--brand)}
.nav-link.active{color:var(--brand);background:var(--brand-soft)}
.nav-link.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:16px;height:2px;border-radius:2px;background:var(--grad)}
.header-actions{display:flex;align-items:center;gap:9px;flex:none}
.theme-switch{display:inline-flex;align-items:center;gap:2px;background:var(--surface2);border:1px solid var(--line);border-radius:11px;padding:3px}
.theme-btn{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:var(--text3);border-radius:8px;transition:all .18s}
.theme-btn svg{width:17px;height:17px}
.theme-btn:hover{color:var(--brand)}
.theme-btn.active{background:var(--surface);color:var(--brand);box-shadow:0 2px 8px rgba(20,24,50,.12)}
.menu-trigger{display:none}
.mobile-nav{display:none;border-top:1px solid var(--line);background:var(--bg);padding:10px 20px 18px;max-height:74vh;overflow:auto}
.mobile-nav.open{display:block}
.mobile-nav .nav-link{display:block;padding:12px 14px;font-size:15px;border-bottom:1px solid var(--line);border-radius:8px}
.mobile-nav .nav-link:last-child{border-bottom:0}

/* 搜索 */
.search-overlay{position:fixed;inset:0;z-index:120;background:rgba(12,15,28,.55);backdrop-filter:blur(6px);display:none;padding:88px 20px 20px;justify-content:center;align-items:flex-start}
.search-overlay.open{display:flex}
.search-box{width:min(760px,100%);background:var(--surface);border:1px solid var(--line2);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden;animation:pop .2s ease}
@keyframes pop{from{opacity:0;transform:translateY(-10px) scale(.98)}to{opacity:1;transform:none}}
.search-input-row{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.search-input-row svg{width:21px;height:21px;color:var(--brand);flex:none}
.search-input-row input{flex:1;border:0;background:transparent;outline:0;font-size:16px;min-width:0}
.search-input-row kbd{font-size:11px;color:var(--text3);border:1px solid var(--line2);border-radius:6px;padding:3px 7px;background:var(--surface2)}
.search-tags{display:flex;gap:8px;flex-wrap:wrap;padding:14px 18px 4px}
.search-tags span{font-size:12px;color:var(--text2);background:var(--surface2);border:1px solid var(--line);padding:5px 11px;border-radius:999px;cursor:pointer;transition:all .15s}
.search-tags span:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.search-results{max-height:min(52vh,440px);overflow:auto;padding:12px 18px 18px}
.sr-empty{text-align:center;color:var(--text3);padding:30px 0;font-size:14px}
.sr-item{display:block;width:100%;text-align:left;background:transparent;border:0;border-radius:11px;padding:12px 13px;transition:background .15s}
.sr-item:hover{background:var(--surface2)}
.sr-item .sr-top{display:flex;align-items:center;gap:9px;margin-bottom:3px}
.sr-item .sr-kind{font-size:11px;font-weight:800;color:var(--brand);background:var(--brand-soft);padding:2px 8px;border-radius:5px;flex:none}
.sr-item strong{font-size:14.5px}
.sr-item p{font-size:12.5px;color:var(--text2);margin:0;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sr-group{font-size:11px;font-weight:800;letter-spacing:1px;color:var(--text3);text-transform:uppercase;padding:12px 4px 4px}

/* 首页 Hero */
.hero{padding:80px 0 66px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:750;color:var(--brand);background:var(--brand-soft);border:1px solid var(--line);padding:7px 14px;border-radius:999px;margin-bottom:22px}
.hero-badge .live{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px var(--ok-soft);animation:blink 2s infinite}
@keyframes blink{50%{opacity:.4}}
.hero h1{font-size:clamp(32px,4.2vw,52px);font-weight:880;letter-spacing:-1.8px;line-height:1.2}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:16.5px;color:var(--text2);line-height:1.9;margin:20px 0 28px;max-width:600px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.hero-points{display:flex;gap:20px;flex-wrap:wrap}
.hero-points span{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--text2)}
.hero-points b{color:var(--ok);font-size:15px}
.hero-visual{position:relative}
.pipeline-card{background:var(--surface);border:1px solid var(--line2);border-radius:22px;box-shadow:var(--shadow-lg);padding:22px;position:relative;overflow:hidden}
.pipeline-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad)}
.pc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.pc-head strong{font-size:14px}
.pc-head span{font-size:11px;color:var(--text3);border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.pipe-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:18px}
.pipe-node{background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center;position:relative;transition:all .2s}
.pipe-node:hover{border-color:var(--brand);transform:translateY(-2px)}
.pipe-node i{display:block;font-style:normal;font-size:20px;margin-bottom:5px}
.pipe-node b{display:block;font-size:12px;font-weight:750}
.pipe-node small{font-size:10.5px;color:var(--text3)}
.pipe-node.hot{background:var(--brand-soft);border-color:var(--brand)}
.pc-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px dashed var(--line);padding-top:16px}
.pc-metrics div{text-align:center}
.pc-metrics strong{display:block;font-size:20px;font-weight:850;letter-spacing:-.5px}
.pc-metrics small{font-size:11px;color:var(--text3)}
.pc-metrics .good{color:var(--ok)} .pc-metrics .bad{color:var(--danger)}
.pc-bar{height:7px;background:var(--surface3);border-radius:99px;overflow:hidden;margin-top:16px}
.pc-bar i{display:block;height:100%;width:1.3%;background:var(--grad);border-radius:99px}
.pc-note{font-size:11.5px;color:var(--text3);margin-top:9px;text-align:center}

/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--surface);border:1px solid var(--line2);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.stat{padding:22px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:clamp(23px,2.4vw,31px);font-weight:860;letter-spacing:-1px;line-height:1.2}
.stat strong.warn{color:var(--danger)} .stat strong.ok{color:var(--ok)} .stat strong.brand{color:var(--brand)}
.stat span{display:block;font-size:12.5px;color:var(--text2);margin-top:5px}
.stat small{display:block;font-size:11px;color:var(--text3);margin-top:3px}

/* 卡片与网格 */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);transition:transform .2s,border-color .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:var(--shadow-lg)}
.card.flat{box-shadow:none}
.card.tint{background:var(--grad-soft);border-color:var(--line)}
.card h3{margin-bottom:9px;font-size:17px}
.card p{font-size:13.5px;color:var(--text2);line-height:1.75;margin:0}
.card-ico{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;font-weight:800}
.card-ico.pink{background:var(--pink-soft);color:var(--brand2)}
.card-ico.teal{background:rgba(14,157,180,.11);color:var(--accent)}
.card-ico.ok{background:var(--ok-soft);color:var(--ok)}
.card-ico.warn{background:var(--warn-soft);color:var(--warn)}
.tag{display:inline-block;font-size:11px;font-weight:750;padding:3px 9px;border-radius:6px;background:var(--surface3);color:var(--text2);border:1px solid var(--line)}
.tag.brand{background:var(--brand-soft);color:var(--brand);border-color:transparent}
.tag.pink{background:var(--pink-soft);color:var(--brand2);border-color:transparent}
.tag.ok{background:var(--ok-soft);color:var(--ok);border-color:transparent}
.tag.warn{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.tag.danger{background:var(--danger-soft);color:var(--danger);border-color:transparent}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:7px 13px;border-radius:999px;border:1px solid var(--line2);background:var(--surface);color:var(--text2);cursor:pointer;transition:all .16s;white-space:nowrap}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;font-weight:700}
.chip-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:22px}

/* 痛点 / 方案 */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pain-card{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--danger);border-radius:var(--r-sm);padding:18px 20px;display:flex;flex-direction:column;gap:9px}
.pain-card .pn{font-size:11px;font-weight:800;letter-spacing:.8px;color:var(--danger)}
.pain-card h4{font-size:15px;font-weight:750;line-height:1.5}
.pain-card .sol{font-size:12.5px;color:var(--text2);background:var(--surface2);border-radius:9px;padding:10px 12px;line-height:1.7}
.pain-card .sol b{color:var(--ok)}
.pain-card button{align-self:flex-start;margin-top:auto}

/* 产业链 */
.flow-bar{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:22px;overflow-x:auto;white-space:nowrap;font-size:12.5px;color:var(--text2)}
.flow-bar b{color:var(--text);font-weight:750}
.flow-bar .fb-step{background:var(--surface2);border:1px solid var(--line);border-radius:8px;padding:5px 11px;font-weight:650}
.flow-bar .fb-arrow{color:var(--brand);font-weight:800}
.chain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}
.chain-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.chain-head{padding:18px 20px;border-bottom:1px solid var(--line);background:var(--grad-soft)}
.chain-head .ch-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.chain-head h3{font-size:18px}
.chain-head p{font-size:12px;color:var(--text2);margin:6px 0 0}
.chain-head .ch-num{font-size:11px;font-weight:800;color:var(--brand);background:var(--surface);border:1px solid var(--line);padding:3px 9px;border-radius:999px}
.chain-list{padding:14px;display:flex;flex-direction:column;gap:10px;flex:1}
.chain-item{border:1px solid var(--line);border-radius:12px;padding:13px 14px;background:var(--surface2);transition:all .18s}
.chain-item:hover{border-color:var(--brand);background:var(--surface)}
.chain-item .ci-top{display:flex;align-items:center;gap:9px;margin-bottom:7px}
.chain-item .ci-ico{width:26px;height:26px;border-radius:8px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:13px;flex:none;font-weight:800}
.chain-item h4{font-size:13.5px;font-weight:750;margin:0}
.chain-item .ci-role{font-size:11px;color:var(--text3);margin-bottom:8px}
.chain-item .ci-line{font-size:12px;color:var(--text2);line-height:1.65;margin-bottom:5px}
.chain-item .ci-line b{color:var(--danger);font-weight:700}
.chain-item .ci-line em{font-style:normal;color:var(--ok);font-weight:700}
.chain-item .ci-tool{display:inline-flex;align-items:center;gap:5px;margin-top:8px;font-size:11.5px;font-weight:700;color:var(--brand);background:var(--brand-soft);border:0;border-radius:7px;padding:5px 10px}
.chain-item .ci-tool:hover{background:var(--brand);color:#fff}

/* 工具箱 */
.tool-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:22px;align-items:start}
.tool-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;box-shadow:var(--shadow);position:sticky;top:92px}
.tool-side h4{font-size:12px;letter-spacing:1px;color:var(--text3);text-transform:uppercase;padding:8px 10px 10px}
.tool-tab{display:flex;align-items:center;gap:11px;width:100%;text-align:left;border:0;background:transparent;border-radius:11px;padding:11px 12px;margin-bottom:3px;transition:all .16s;color:var(--text2)}
.tool-tab:hover{background:var(--surface2);color:var(--text)}
.tool-tab.active{background:var(--brand-soft);color:var(--brand);font-weight:750}
.tool-tab .tt-ico{width:29px;height:29px;border-radius:9px;background:var(--surface2);display:flex;align-items:center;justify-content:center;font-size:14px;flex:none;font-weight:800}
.tool-tab.active .tt-ico{background:var(--surface);color:var(--brand)}
.tool-tab b{font-size:13.5px;font-weight:700;display:block}
.tool-tab small{font-size:11px;color:var(--text3);display:block;line-height:1.4}
.tool-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;min-width:0}
.tool-head{padding:22px 26px 18px;border-bottom:1px solid var(--line);background:var(--grad-soft)}
.tool-head .th-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:9px}
.tool-head h3{font-size:21px}
.tool-head p{font-size:13px;color:var(--text2);line-height:1.75;margin:0;max-width:780px}
.tool-body{padding:24px 26px 28px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px}
.form-grid.one{grid-template-columns:1fr}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field label{font-size:12.5px;font-weight:700;color:var(--text2)}
.field label .hint{font-weight:400;color:var(--text3);font-size:11px}
.field .input,.field select,.field textarea{width:100%;border:1px solid var(--line2);background:var(--surface2);border-radius:10px;padding:10px 12px;font-size:14px;outline:0;transition:border-color .16s,box-shadow .16s}
.field .input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.field textarea{resize:vertical;min-height:130px;line-height:1.7;font-size:13px}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text3) 50%),linear-gradient(135deg,var(--text3) 50%,transparent 50%);background-position:calc(100% - 17px) 50%,calc(100% - 12px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:32px}
.field .unit{position:relative}
.field .unit .input{padding-right:52px}
.field .unit i{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-style:normal;font-size:11.5px;color:var(--text3);pointer-events:none}
.form-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.result-box{margin-top:22px;background:var(--surface2);border:1px solid var(--line2);border-radius:14px;padding:20px;display:none}
.result-box.show{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.result-box h4{font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.result-box h4::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--grad)}
.verdict{border-radius:12px;padding:16px 18px;margin-bottom:16px;font-size:14px;line-height:1.75}
.verdict.good{background:var(--ok-soft);border:1px solid var(--ok);color:var(--text)}
.verdict.mid{background:var(--warn-soft);border:1px solid var(--warn);color:var(--text)}
.verdict.bad{background:var(--danger-soft);border:1px solid var(--danger);color:var(--text)}
.verdict strong{font-size:17px;font-weight:850}
.kv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.kv{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:13px 12px;text-align:center}
.kv small{display:block;font-size:11px;color:var(--text3);margin-bottom:5px}
.kv strong{display:block;font-size:19px;font-weight:820;letter-spacing:-.5px;word-break:break-all}
.kv strong.ok{color:var(--ok)} .kv strong.bad{color:var(--danger)} .kv strong.brand{color:var(--brand)}
.meter{height:9px;background:var(--surface3);border-radius:99px;overflow:hidden;margin:8px 0 4px}
.meter i{display:block;height:100%;border-radius:99px;background:var(--grad);transition:width .5s}
.meter i.bad{background:linear-gradient(90deg,var(--warn),var(--danger))}
.meter-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--text3)}
.out-list{display:flex;flex-direction:column;gap:9px;margin-top:12px}
.out-row{display:flex;gap:10px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:13px;line-height:1.7}
.out-row .ol-n{width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none;margin-top:2px}
.out-row b{color:var(--text)}
.pre{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px 16px;font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:12px;line-height:1.8;white-space:pre-wrap;word-break:break-word;max-height:340px;overflow:auto;color:var(--text2)}
.disclaimer{font-size:11.5px;color:var(--text3);margin-top:14px;line-height:1.7}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:var(--shadow)}
table.table{width:100%;border-collapse:collapse;font-size:13px;min-width:720px}
table.table th{background:var(--surface2);text-align:left;padding:13px 15px;font-size:12px;font-weight:800;color:var(--text2);border-bottom:1px solid var(--line);white-space:nowrap}
table.table td{padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.7;color:var(--text2)}
table.table tr:last-child td{border-bottom:0}
table.table tr:hover td{background:var(--surface2)}
table.table td strong{color:var(--text);font-weight:750}
table.table td .pros{color:var(--ok)} table.table td .cons{color:var(--danger)}

/* 供需 / 目录 */
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.dir-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;transition:all .2s}
.dir-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-lg)}
.dir-card .dc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.dir-card h4{font-size:15.5px}
.dir-card p{font-size:12.5px;color:var(--text2);line-height:1.7;margin:0;flex:1}
.dir-card .dc-meta{display:flex;gap:8px;flex-wrap:wrap;font-size:11.5px;color:var(--text3);border-top:1px dashed var(--line);padding-top:10px}
.dir-card .dc-btns{display:flex;gap:8px}

/* 合规清单 */
.check-list{display:flex;flex-direction:column;gap:9px;margin-top:14px}
.check-row{display:flex;align-items:flex-start;gap:11px;background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:13px 15px;cursor:pointer;transition:all .16s}
.check-row:hover{border-color:var(--brand)}
.check-row.done{background:var(--ok-soft);border-color:var(--ok)}
.check-row input{margin-top:3px;width:16px;height:16px;accent-color:var(--brand);flex:none}
.check-row b{font-size:13.5px;display:block}
.check-row small{font-size:12px;color:var(--text2);line-height:1.65;display:block;margin-top:3px}

/* 定价 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;box-shadow:var(--shadow);position:relative;display:flex;flex-direction:column}
.price-card.hot{border-color:var(--brand);box-shadow:0 18px 44px rgba(91,76,240,.16)}
.price-card.hot::before{content:"推荐";position:absolute;top:-12px;right:20px;background:var(--grad);color:#fff;font-size:11px;font-weight:800;padding:4px 13px;border-radius:999px}
.price-card h3{font-size:18px}
.price-card .price{font-size:32px;font-weight:860;letter-spacing:-1px;margin:12px 0 2px}
.price-card .price small{font-size:13px;font-weight:500;color:var(--text3)}
.price-card .pdesc{font-size:12.5px;color:var(--text2);min-height:40px}
.price-card ul{list-style:none;padding:0;margin:18px 0 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.price-card li{font-size:13px;color:var(--text2);display:flex;gap:8px;line-height:1.6}
.price-card li::before{content:"✓";color:var(--ok);font-weight:850}

/* 会员 */
.auth-wrap{max-width:460px;margin:0 auto}
.auth-tabs{display:flex;background:var(--surface2);border:1px solid var(--line);border-radius:11px;padding:4px;margin-bottom:20px}
.auth-tabs button{flex:1;border:0;background:transparent;padding:9px;border-radius:8px;font-size:14px;font-weight:700;color:var(--text2)}
.auth-tabs button.active{background:var(--surface);color:var(--brand);box-shadow:var(--shadow)}
.dash-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}
.dash-card{background:var(--surface2);border:1px solid var(--line);border-radius:13px;padding:17px;text-align:center}
.dash-card strong{display:block;font-size:24px;font-weight:850;color:var(--brand)}
.dash-card small{font-size:12px;color:var(--text3)}

/* 折叠 / 提示条 */
.acc-item{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:10px;overflow:hidden}
.acc-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 18px;border:0;background:transparent;text-align:left;font-size:14.5px;font-weight:750}
.acc-head:hover{background:var(--surface2)}
.acc-head .acc-plus{color:var(--brand);font-size:19px;transition:transform .2s}
.acc-item.open .acc-plus{transform:rotate(45deg)}
.acc-body{display:none;padding:0 18px 18px;font-size:13px;color:var(--text2);line-height:1.85}
.acc-item.open .acc-body{display:block}
.notice{background:var(--warn-soft);border:1px solid var(--warn);border-radius:12px;padding:14px 17px;font-size:13px;line-height:1.8;color:var(--text2)}
.notice b{color:var(--warn)}
.info-bar{display:flex;align-items:center;gap:10px;background:var(--brand-soft);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:13px;color:var(--text2);margin-bottom:20px}
.info-bar b{color:var(--brand)}

/* 时间线 / 趋势 */
.trend-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.trend-item{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:16px 18px}
.trend-item .tn{width:30px;height:30px;border-radius:9px;background:var(--grad);color:#fff;font-size:12px;font-weight:850;display:flex;align-items:center;justify-content:center;flex:none}
.trend-item b{font-size:14px;display:block;margin-bottom:4px}
.trend-item span{font-size:12.5px;color:var(--text2);line-height:1.7}

/* 页脚 */
.site-footer{background:var(--surface2);border-top:1px solid var(--line);margin-top:20px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:56px 28px 40px;display:grid;grid-template-columns:1.5fr 1.3fr 1fr;gap:44px}
.footer-brand p{font-size:13px;color:var(--text2);line-height:1.85;margin:18px 0 16px;max-width:390px}
.footer-badges{display:flex;gap:7px;flex-wrap:wrap}
.footer-badges span{font-size:11px;color:var(--text2);border:1px solid var(--line2);padding:4px 10px;border-radius:999px}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.footer-links h4,.footer-contact h4{font-size:13px;margin-bottom:15px;font-weight:800}
.footer-links a{display:block;font-size:12.5px;color:var(--text2);padding:5px 0;transition:color .15s}
.footer-links a:hover{color:var(--brand)}
.footer-mail{font-size:12.5px;color:var(--text2);line-height:2}
.footer-mail a{color:var(--brand)}
.footer-mini{margin-top:14px;font-size:11.5px;color:var(--text3);line-height:1.8}
.footer-bottom{max-width:var(--maxw);margin:0 auto;padding:18px 28px 26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:11.5px;color:var(--text3)}

/* 移动底栏 */
.mobile-tabbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(16px);border-top:1px solid var(--line);padding:7px 6px calc(7px + env(safe-area-inset-bottom));justify-content:space-around}
.mobile-tabbar a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10.5px;color:var(--text3);flex:1;padding:3px 0}
.mobile-tabbar a.active{color:var(--brand);font-weight:750}
.mobile-tabbar a i{font-style:normal;font-size:19px;line-height:1}

/* 悬浮助手 */
.float-stack{position:fixed;right:22px;bottom:24px;z-index:75;display:flex;flex-direction:column;align-items:center;gap:10px}
.ai-fab{width:52px;height:52px;border-radius:16px;background:var(--grad);color:#fff;border:0;box-shadow:0 12px 30px rgba(91,76,240,.35);display:flex;align-items:center;justify-content:center;position:relative}
.ai-fab svg{width:25px;height:25px}
.ai-fab-pulse{position:absolute;inset:-5px;border-radius:20px;border:2px solid var(--brand);opacity:.35;animation:pulse 2.4s infinite}
@keyframes pulse{0%{transform:scale(.9);opacity:.5}70%{transform:scale(1.18);opacity:0}100%{opacity:0}}
.sf-top{width:38px;height:38px;border-radius:12px;background:var(--surface);border:1px solid var(--line2);color:var(--text2);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.sf-top svg{width:17px;height:17px}
.ai-panel{position:fixed;right:22px;bottom:88px;z-index:90;width:min(370px,calc(100vw - 32px));height:min(540px,calc(100vh - 130px));background:var(--surface);border:1px solid var(--line2);border-radius:18px;box-shadow:var(--shadow-lg);display:none;flex-direction:column;overflow:hidden}
.ai-panel.open{display:flex;animation:pop .2s ease}
.ai-panel-head{display:flex;align-items:center;gap:11px;padding:14px 15px;border-bottom:1px solid var(--line);background:var(--grad-soft)}
.ai-avatar{width:36px;height:36px;border-radius:11px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.ai-avatar svg{width:21px;height:21px}
.ai-panel-head strong{font-size:14px;display:block}
.ai-panel-head small{font-size:11px;color:var(--text3);display:block}
.ai-panel-head .icon-btn{margin-left:auto;width:30px;height:30px}
.ai-panel-body{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:11px}
.msg{max-width:88%;padding:10px 13px;border-radius:13px;font-size:13px;line-height:1.75;white-space:pre-wrap;word-break:break-word}
.msg.bot{background:var(--surface2);border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.msg.user{background:var(--grad);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.msg .mbtn{display:inline-block;margin-top:9px;background:var(--brand-soft);color:var(--brand);border:0;border-radius:7px;padding:5px 10px;font-size:11.5px;font-weight:700}
.ai-quick{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 10px}
.ai-quick span{font-size:11.5px;border:1px solid var(--line2);border-radius:999px;padding:5px 10px;cursor:pointer;color:var(--text2)}
.ai-quick span:hover{border-color:var(--brand);color:var(--brand)}
.ai-panel-tools{display:flex;gap:6px;padding:0 14px 10px}
.tool-btn{flex:1;border:1px solid var(--line);background:var(--surface2);border-radius:9px;padding:7px 4px;font-size:11.5px;color:var(--text2)}
.tool-btn:hover{border-color:var(--brand);color:var(--brand)}
.tool-btn .ti{display:block;font-size:14px;margin-bottom:2px}
.ai-panel-foot{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line)}
.ai-panel-foot input{flex:1;min-width:0;border:1px solid var(--line2);background:var(--surface2);border-radius:10px;padding:9px 12px;font-size:13px;outline:0}
.ai-panel-foot button{width:38px;border:0;border-radius:10px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.ai-panel-foot button svg{width:18px;height:18px}

/* 弹窗 / toast / 二维码 */
.modal-mask{position:fixed;inset:0;z-index:130;background:rgba(12,15,28,.55);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:20px}
.modal{width:min(480px,100%);max-height:86vh;overflow:auto;background:var(--surface);border:1px solid var(--line2);border-radius:18px;box-shadow:var(--shadow-lg);padding:24px;animation:pop .2s ease}
.modal.wide{width:min(680px,100%)}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.modal-head h3{font-size:18px}
.modal p{font-size:13px;color:var(--text2);line-height:1.8}
.toast-root{position:fixed;top:88px;left:50%;transform:translateX(-50%);z-index:160;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:var(--text);color:var(--bg);padding:10px 18px;border-radius:11px;font-size:13px;font-weight:650;box-shadow:var(--shadow-lg);animation:toastIn .25s ease;max-width:min(90vw,520px);text-align:center}
@keyframes toastIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}

/* 空态 */
.empty{text-align:center;padding:44px 20px;color:var(--text3);font-size:13.5px}
.empty b{display:block;font-size:16px;color:var(--text2);margin-bottom:6px}

/* ---------- 响应式 ---------- */
@media (max-width:1360px){
  .main-nav{display:none}
  .menu-trigger{display:inline-flex}
  .header-inner{gap:12px}
}
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-visual{max-width:620px}
  .grid-4,.stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .chain-grid{grid-template-columns:1fr}
  .chain-list{display:grid;grid-template-columns:repeat(2,1fr)}
  .tool-layout{grid-template-columns:1fr}
  .tool-side{position:static;display:flex;overflow-x:auto;gap:6px;padding:10px}
  .tool-side h4{display:none}
  .tool-tab{width:auto;flex:none;min-width:150px;margin:0}
  .tool-tab small{display:none}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
  .footer-contact{grid-column:1/-1}
}
@media (max-width:860px){
  .container,.header-inner,.footer-inner,.footer-bottom{padding-left:18px;padding-right:18px}
  .section{padding:52px 0}
  .section.tight{padding:38px 0}
  .grid-2,.grid-3,.pain-grid,.dir-grid,.price-grid,.trend-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .kv-grid{grid-template-columns:repeat(2,1fr)}
  .tool-body,.tool-head{padding-left:18px;padding-right:18px}
  .header-cta{display:none}
  .hero{padding:52px 0 44px}
  .hero h1{font-size:clamp(31px,8vw,44px);letter-spacing:-1px}
  .mobile-tabbar{display:flex}
  .site-footer{padding-bottom:64px}
  .float-stack{bottom:78px;right:14px}
  .ai-panel{right:14px;bottom:140px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:560px){
  .header-inner{height:64px}
  .brand-text strong{font-size:16px}
  .brand-mark{width:34px;height:34px}
  .header-actions{gap:6px}
  #headerLogin{display:none}
  .theme-btn{width:27px;height:27px}
  .icon-btn{width:33px;height:33px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat{padding:16px 14px}
  .stat strong{font-size:22px}
  .grid-4,.chain-list,.dash-grid{grid-template-columns:1fr}
  .grid-4{gap:12px}
  .pipe-flow{grid-template-columns:repeat(3,1fr);gap:6px}
  .pipe-node{padding:9px 5px}
  .pipe-node b{font-size:11px}
  .pipe-node small{display:none}
  .pc-metrics strong{font-size:17px}
  .kv-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:44px 0}
  .sec-head{margin-bottom:24px}
  .btn-lg{padding:12px 18px;font-size:14px}
  .footer-inner{grid-template-columns:1fr;gap:26px;padding-top:42px}
  .search-overlay{padding-top:76px}
}
@media print{.site-header,.site-footer,.float-stack,.mobile-tabbar,.ai-panel,.bg-grid,.bg-glow{display:none!important}.section{padding:18px 0}}