/* ==========================================================================
   PINPAI.ME 品牌点蜜 — 站点样式
   基调：纸白 + 深蓝（芯片）+ 蜜金（点蜜）+ 朱砂（存证）
   ========================================================================== */

:root{
  --ink:#0F1A2C;
  --ink-2:#2C3A52;
  --muted:#6C7A8E;
  --faint:#98A3B2;
  --line:#E3DFD4;
  --line-2:#EDEAE1;
  --paper:#FBFAF6;
  --paper-2:#F3F0E7;
  --paper-3:#EAE5D8;
  --blue:#123A6B;
  --blue-2:#1D5AA6;
  --blue-3:#3C7DD0;
  --honey:#B8862B;
  --honey-2:#D9A843;
  --honey-soft:#F6EBD3;
  --seal:#A63A2E;
  --white:#FFFFFF;

  --serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","Source Han Serif CN","STSong",Georgia,"SimSun",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"SF Mono","JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;

  --shadow-s:0 1px 2px rgba(15,26,44,.05),0 2px 8px rgba(15,26,44,.04);
  --shadow-m:0 2px 6px rgba(15,26,44,.06),0 14px 34px rgba(15,26,44,.07);
  --shadow-l:0 30px 70px rgba(15,26,44,.12);

  --max:1180px;
  --r:4px;
  --nav-h:76px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.72;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(rgba(18,58,107,.045) 1px,transparent 1px);
  background-size:26px 26px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
::selection{background:var(--honey-soft);color:var(--ink)}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:840px}

/* ---------------- 顶栏 ---------------- */
.nav{
  position:sticky;top:0;z-index:80;
  background:rgba(251,250,246,.86);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;gap:26px;height:var(--nav-h);max-width:var(--max);margin:0 auto;padding:0 28px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand svg{width:34px;height:34px;flex:0 0 auto}
.brand-tx{display:flex;flex-direction:column;line-height:1.15}
.brand-cn{font-family:var(--serif);font-size:19px;font-weight:700;letter-spacing:.06em}
.sup{font-size:.6em;vertical-align:.72em;letter-spacing:0;color:var(--honey);font-family:var(--serif);font-weight:700;line-height:0}
.f-brand .sup{color:var(--honey-2)}
.brand-en{font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase}

.menu{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap}
.menu a{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  padding:8px 13px;border-radius:2px;
  font-size:13.5px;letter-spacing:.04em;color:var(--ink-2);
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.menu a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:1px;
  background:var(--honey);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.menu a:hover{color:var(--blue)}
.menu a:hover::after,.menu a[aria-current="page"]::after{transform:scaleX(1)}
.menu a[aria-current="page"]{color:var(--blue);font-weight:600}
.menu .btn{color:#fff;padding:9px 16px}
.menu .btn:hover{color:#fff;background:#0C2C53}
.menu .btn::after{display:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border:1px solid transparent;border-radius:2px;
  font-size:14px;letter-spacing:.04em;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-primary:hover{background:#0C2C53;border-color:#0C2C53}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-honey{background:var(--honey);color:#fff;border-color:var(--honey)}
.btn-honey:hover{background:#A2761F;border-color:#A2761F}
.btn-sm{padding:8px 14px;font-size:13px}
.nav .btn{margin-left:12px}
.nav-cta{margin-left:14px}

.nav-toggle{display:none}

/* ---------------- 章节骨架 ---------------- */
section{position:relative}
.sec{padding:96px 0}
.sec-tight{padding:64px 0}
.sec-alt{background:linear-gradient(180deg,var(--paper-2),#F7F4EC)}
.sec-dark{background:var(--ink);color:#EDE9E0}
.sec-dark .sec-lede,.sec-dark .eyebrow{color:#A9B4C4}
.hr{height:1px;background:var(--line);border:0;margin:0}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--honey);margin:0 0 18px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--honey);display:inline-block}
h2.sec-t{
  font-family:var(--serif);font-weight:700;font-size:clamp(27px,3.2vw,40px);
  line-height:1.28;letter-spacing:.02em;margin:0 0 18px;
}
.sec-lede{color:var(--ink-2);font-size:16.5px;max-width:66ch;margin:0}
.sec-head{margin-bottom:52px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap}

/* ---------------- Hero ---------------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 78% -10%,rgba(29,90,166,.10),transparent 68%),
    radial-gradient(620px 420px at 8% 106%,rgba(217,168,67,.14),transparent 70%);
  pointer-events:none;
}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:88px 0 78px}
.hero h1{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(38px,5.2vw,64px);line-height:1.18;letter-spacing:.01em;margin:0 0 26px;
}
.hero h1 em{font-style:normal;color:var(--blue);position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.42em;
  background:linear-gradient(180deg,transparent 62%,var(--honey-soft) 62%);z-index:-1;
}
.hero-sub{color:var(--ink-2);font-size:17px;max-width:52ch;margin:0 0 34px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.hero-meta{display:flex;gap:30px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line)}
.hero-meta div{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.hero-meta b{display:block;font-family:var(--serif);font-size:26px;color:var(--ink);letter-spacing:.01em;margin-bottom:2px}

/* 十六字 */
.motto{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:rgba(255,255,255,.66)}
.motto-i{padding:20px 18px;border-right:1px solid var(--line)}
.motto-i:last-child{border-right:0}
.motto-cn{font-family:var(--serif);font-size:19px;letter-spacing:.16em;color:var(--blue);margin-bottom:6px}
.motto-de{font-size:12px;color:var(--muted);line-height:1.6;letter-spacing:.02em}

/* Hero 右：资产卡 */
.hero-card{
  position:relative;background:var(--white);border:1px solid var(--line);
  box-shadow:var(--shadow-m);padding:26px;
}
.hero-card::before{
  content:"";position:absolute;top:-1px;left:-1px;width:64px;height:3px;background:var(--honey);
}
.hc-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px}
.hc-label{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--faint);text-transform:uppercase}
.hc-dom{font-family:var(--serif);font-size:31px;letter-spacing:.01em;line-height:1.1}
.hc-cn{font-size:13px;color:var(--muted);margin-top:6px;letter-spacing:.14em}
.hc-rows{border-top:1px solid var(--line-2);margin-top:16px}
.hc-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line-2);font-size:13px}
.hc-row span{color:var(--muted)}
.hc-row b{font-weight:600;color:var(--ink)}
.hc-hash{font-family:var(--mono);font-size:11px;color:var(--blue-2);word-break:break-all}
.hc-foot{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:12px;color:var(--seal)}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block}
.hero-card .stack{
  position:absolute;inset:auto -12px -12px -12px;height:100%;z-index:-1;
  border:1px solid var(--line);background:rgba(255,255,255,.5);
}

/* ---------------- 流水线 ---------------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.flow-i{position:relative;padding:30px 26px 34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.5);transition:.25s ease}
.flow-i:hover{background:#fff;box-shadow:var(--shadow-s)}
.flow-n{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--honey);margin-bottom:14px}
.flow-t{font-family:var(--serif);font-size:22px;letter-spacing:.06em;margin:0 0 4px}
.flow-en{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--faint);text-transform:uppercase;margin-bottom:14px}
.flow-d{font-size:13.5px;color:var(--ink-2);margin:0}
.flow-i::after{
  content:"→";position:absolute;right:-9px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;line-height:17px;text-align:center;border-radius:50%;
  background:var(--paper);border:1px solid var(--line);font-size:11px;color:var(--honey);z-index:2;
}
.flow-i:last-child::after{display:none}

/* ---------------- 资产卡 ---------------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);padding:24px 22px 20px;
  transition:.24s ease;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent,var(--blue));
  transform:scaleY(0);transform-origin:top;transition:transform .28s ease;
}
.card:hover{box-shadow:var(--shadow-m);transform:translateY(-2px)}
.card:hover::before{transform:scaleY(1)}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}
.card-rank{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--faint)}
.tag{
  display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:2px;
  font-size:11px;letter-spacing:.06em;border:1px solid currentColor;
}
.tag-sale{color:#1D6B4F;background:#EFF7F2}
.tag-sold{color:var(--muted);background:#F4F3EF}
.tag-own{color:var(--blue);background:#EFF4FA}
.card-dom{font-family:var(--serif);font-size:27px;line-height:1.15;letter-spacing:.01em;margin-bottom:4px}
.card-brand{font-size:14px;color:var(--ink);letter-spacing:.14em;margin-bottom:14px}
.card-brand i{font-style:normal;color:var(--faint);margin:0 6px;font-size:12px}
.card-desc{font-size:13.5px;color:var(--ink-2);margin:0 0 18px;min-height:66px}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{
  font-size:11.5px;color:var(--muted);background:var(--paper-2);
  border:1px solid var(--line-2);padding:3px 8px;border-radius:2px;letter-spacing:.03em;
}
.card-price{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px dashed var(--line);margin-top:auto}
.card-price b{font-family:var(--serif);font-size:18px;letter-spacing:.02em}
.card-price span{font-size:11px;color:var(--faint);letter-spacing:.06em}
.card-acts{display:flex;gap:8px;margin-top:14px}
.card-acts .btn{flex:1;padding:9px 10px;font-size:12.5px}
.card-hash{
  font-family:var(--mono);font-size:10px;color:var(--faint);letter-spacing:.02em;
  margin-top:10px;padding-top:10px;border-top:1px solid var(--line-2);
  display:flex;align-items:center;gap:6px;
}
.card-hash b{color:var(--blue-2);font-weight:500}

/* ---------------- 智能体（终端） ---------------- */
.agent{display:grid;grid-template-columns:.95fr 1.05fr;gap:0;border:1px solid rgba(255,255,255,.14);background:#0B1424}
.agent-copy{padding:52px 46px}
.agent-copy h2{color:#fff}
.agent-copy .sec-lede{color:#B9C3D2}
.agent-list{list-style:none;padding:0;margin:26px 0 0}
.agent-list li{display:flex;gap:12px;padding:9px 0;font-size:14px;color:#D5DBE5;border-bottom:1px solid rgba(255,255,255,.07)}
.agent-list li b{font-family:var(--mono);font-size:11px;color:var(--honey-2);letter-spacing:.1em;padding-top:3px;min-width:26px}
.term{background:#070E19;border-left:1px solid rgba(255,255,255,.12);padding:0;display:flex;flex-direction:column;min-height:420px}
.term-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.term-bar i{width:8px;height:8px;border-radius:50%;background:#2C3A52;display:block}
.term-bar span{margin-left:8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:#5C6B82}
.term-body{padding:20px 22px;font-family:var(--mono);font-size:12px;line-height:1.95;color:#8FA0B8;flex:1;overflow:auto}
.term-body .k{color:#D9A843}
.term-body .v{color:#CFE0F5}
.term-body .ok{color:#4FBE8C}
.term-body .dim{color:#4E5D74}
.term-body .cur{display:inline-block;width:7px;height:13px;background:#D9A843;vertical-align:-2px;animation:blink 1.1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.term-foot{padding:12px 14px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;gap:12px;font-family:var(--mono);font-size:10.5px;color:#5C6B82;letter-spacing:.08em}

/* ---------------- 理论 ---------------- */
.levels{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);margin-top:10px}
.level{padding:28px 24px 32px;border-right:1px solid var(--line);background:var(--white)}
.level:last-child{border-right:0}
.level-k{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--honey);margin-bottom:16px}
.level-t{font-family:var(--serif);font-size:24px;letter-spacing:.1em;margin:0 0 6px}
.level-sub{font-size:11.5px;color:var(--faint);letter-spacing:.1em;margin-bottom:14px}
.level-d{font-size:13px;color:var(--ink-2);margin:0}
.level:nth-child(2){background:#FCFBF7}
.level:nth-child(3){background:#F9F7F0}
.level:nth-child(4){background:var(--blue);color:#EAF0F8}
.level:nth-child(4) .level-d{color:#B9CBE2}
.level:nth-child(4) .level-t,.level:nth-child(4) .level-k{color:#fff}
.level:nth-child(4) .level-sub{color:#8FA9C8}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.q{border-left:2px solid var(--honey);padding:4px 0 4px 18px;font-family:var(--serif);font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ---------------- 存证 ---------------- */
.verify{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start}
.stamp{
  border:2px solid var(--seal);color:var(--seal);padding:22px;text-align:center;
  transform:rotate(-1.6deg);background:rgba(166,58,46,.03);
}
.stamp-t{font-family:var(--serif);font-size:21px;letter-spacing:.28em;margin-bottom:6px}
.stamp-s{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;opacity:.8}
.stamp-line{height:1px;background:currentColor;opacity:.25;margin:14px 0}
.stamp-h{font-family:var(--mono);font-size:10.5px;letter-spacing:.02em;word-break:break-all;line-height:1.7;text-align:left}
.vlist{list-style:none;padding:0;margin:0}
.vlist li{display:grid;grid-template-columns:74px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.vlist li b{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--honey);padding-top:4px}
.vlist li p{margin:0;font-size:14px;color:var(--ink-2)}
.vlist li p strong{color:var(--ink);font-weight:600}

/* ---------------- 表格 / 套餐 ---------------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line)}
.plan{padding:32px 28px;border-right:1px solid var(--line);background:var(--white);display:flex;flex-direction:column}
.plan:last-child{border-right:0}
.plan-hi{background:linear-gradient(180deg,#FCFAF4,#FFF);box-shadow:inset 0 3px 0 var(--honey)}
.plan-t{font-family:var(--serif);font-size:22px;letter-spacing:.06em;margin:0 0 4px}
.plan-s{font-size:12px;color:var(--muted);letter-spacing:.08em;margin-bottom:18px}
.plan-price{font-family:var(--serif);font-size:15px;color:var(--blue);margin-bottom:20px;letter-spacing:.04em}
.plan ul{list-style:none;padding:0;margin:0 0 24px;flex:1}
.plan li{position:relative;padding:7px 0 7px 20px;font-size:13.5px;color:var(--ink-2);border-bottom:1px solid var(--line-2)}
.plan li::before{content:"";position:absolute;left:2px;top:16px;width:6px;height:6px;border:1px solid var(--honey);transform:rotate(45deg)}

table.t{width:100%;border-collapse:collapse;font-size:14px}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-wrap table.t{min-width:560px}
table.t th,table.t td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.t th{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;background:var(--paper-2)}
table.t td:first-child{white-space:nowrap;color:var(--ink);font-weight:600}

/* ---------------- 结语 / 页脚 ---------------- */
.cta-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,#FFF,var(--paper-2))}
.cta-in{padding:78px 0;display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:center}
.cta-in h2{font-family:var(--serif);font-size:clamp(28px,3.6vw,42px);line-height:1.3;margin:0 0 14px;letter-spacing:.02em}
.cta-in p{color:var(--ink-2);margin:0;max-width:46ch}
.cta-side{display:flex;flex-direction:column;gap:10px;align-items:flex-start}

footer{background:var(--ink);color:#9DA9BA;padding:58px 0 34px;font-size:13px}
.f-in{display:grid;grid-template-columns:1.4fr .8fr .8fr .8fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.f-brand{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.f-brand svg{width:32px;height:32px}
.f-brand b{font-family:var(--serif);font-size:19px;color:#fff;letter-spacing:.08em}
.f-desc{color:#7E8B9E;line-height:1.8;max-width:34ch}
.f-h{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:#5C6B82;text-transform:uppercase;margin-bottom:14px}
.f-col a{display:block;padding:5px 0;color:#9DA9BA;transition:color .18s}
.f-col a:hover{color:#fff}
.f-bot{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:12px;color:#5C6B82;flex-wrap:wrap;letter-spacing:.04em}
.f-bot a:hover{color:#fff}

/* ---------------- 页面头（内页） ---------------- */
.phead{border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.phead::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 320px at 82% 0%,rgba(29,90,166,.09),transparent 70%);pointer-events:none}
.phead-in{position:relative;padding:64px 0 52px}
.phead h1{font-family:var(--serif);font-size:clamp(32px,4.2vw,50px);line-height:1.24;margin:0 0 18px;letter-spacing:.02em}
.phead p{color:var(--ink-2);max-width:64ch;margin:0;font-size:16px}
.crumb{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--faint);margin-bottom:20px;text-transform:uppercase}
.crumb a:hover{color:var(--blue)}

/* ---------------- 资产库工具条 ---------------- */
.toolbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:22px 0;border-bottom:1px solid var(--line);position:sticky;top:var(--nav-h);background:rgba(251,250,246,.94);backdrop-filter:blur(12px);z-index:40}
.search{position:relative;flex:1;min-width:220px;max-width:340px}
.search input{
  width:100%;padding:10px 12px 10px 34px;border:1px solid var(--line);background:#fff;
  border-radius:2px;font-size:14px;color:var(--ink);outline:none;transition:.2s;
}
.search input:focus{border-color:var(--blue-3);box-shadow:0 0 0 3px rgba(60,125,208,.1)}
.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:14px;height:14px;stroke:var(--faint)}
.filters{display:flex;gap:6px;flex-wrap:wrap}
.fbtn{
  padding:7px 13px;border:1px solid var(--line);background:#fff;border-radius:2px;
  font-size:12.5px;color:var(--ink-2);letter-spacing:.04em;transition:.18s;
}
.fbtn:hover{border-color:var(--blue-3);color:var(--blue)}
.fbtn.on{background:var(--blue);border-color:var(--blue);color:#fff}
.result-count{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--faint)}
.empty{padding:70px 0;text-align:center;color:var(--muted)}

/* ---------------- 建站器 ---------------- */
.builder{display:grid;grid-template-columns:400px 1fr;gap:0;border:1px solid var(--line);background:#fff}
.bform{padding:32px 30px;border-right:1px solid var(--line);background:var(--paper-2)}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);background:#fff;border-radius:2px;
  font-family:var(--sans);font-size:14px;color:var(--ink);outline:none;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue-3);box-shadow:0 0 0 3px rgba(60,125,208,.1)}
.field .hint{font-size:11.5px;color:var(--faint);margin-top:6px;line-height:1.6}
.bform .btn{width:100%;margin-top:6px}
.bside{padding:32px 34px;max-height:78vh;overflow:auto}
.bside-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;min-height:420px;text-align:center;color:var(--faint)}
.bside-empty svg{width:44px;height:44px;stroke:var(--line);margin-bottom:18px}
.preview h3{font-family:var(--serif);font-size:20px;margin:0 0 4px;letter-spacing:.04em}
.preview .pv-sub{font-size:12.5px;color:var(--muted);margin-bottom:22px}
.pv-sec{border-top:1px solid var(--line-2);padding:16px 0}
.pv-sec h4{display:flex;gap:10px;align-items:baseline;font-family:var(--serif);font-size:16px;margin:0 0 8px;letter-spacing:.06em}
.pv-sec h4 i{font-family:var(--mono);font-size:10px;color:var(--honey);font-style:normal;letter-spacing:.1em}
.pv-sec p{margin:0 0 8px;font-size:13.5px;color:var(--ink-2);line-height:1.8}
.pv-acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
.compat{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.compat span{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--muted);border:1px solid var(--line);padding:4px 8px;background:#fff}

/* ---------------- 内页小节 ---------------- */
.article{max-width:820px}
.article h2{font-family:var(--serif);font-size:26px;margin:46px 0 14px;letter-spacing:.04em;padding-top:22px;border-top:1px solid var(--line)}
.article h2:first-child{margin-top:0;border-top:0;padding-top:0}
.article h3{font-family:var(--serif);font-size:19px;margin:30px 0 10px;letter-spacing:.04em;color:var(--blue)}
.article p{margin:0 0 14px;color:var(--ink-2);font-size:15.5px}
.article ul,.article ol{padding-left:22px;color:var(--ink-2);font-size:15px}
.article li{margin:7px 0}
.article blockquote{margin:22px 0;padding:16px 22px;border-left:2px solid var(--honey);background:var(--paper-2);font-family:var(--serif);font-size:16px;color:var(--ink)}
.note{font-size:13px;color:var(--muted);background:var(--paper-2);border:1px solid var(--line);padding:14px 18px;border-radius:2px;margin:20px 0}
.note b{color:var(--ink)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.kv{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.kv li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv li b{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--muted);padding-top:4px;text-transform:uppercase}

/* ---------------- 404 ---------------- */
.e404{min-height:64vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:80px 0}
.e404 b{font-family:var(--serif);font-size:96px;line-height:1;color:var(--blue);letter-spacing:.06em}
.e404 p{color:var(--muted);margin:18px 0 26px}

/* ---------------- 动效 ---------------- */
.rise{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.rise.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rise{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .hero-in{grid-template-columns:1fr;gap:44px;padding:64px 0 60px}
  .hero-card{max-width:460px}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .agent{grid-template-columns:1fr}
  .verify{grid-template-columns:1fr;gap:32px}
  .builder{grid-template-columns:1fr}
  .bform{border-right:0;border-bottom:1px solid var(--line)}
  .f-in{grid-template-columns:1fr 1fr}
  .cta-in{grid-template-columns:1fr;gap:26px}
  .split{grid-template-columns:1fr;gap:26px}
}
@media (max-width:860px){
  :root{--nav-h:auto}
  .nav-in{flex-wrap:wrap;gap:0;height:auto;padding:12px 20px 0}
  .brand{order:1}
  .nav-cta{order:2;margin-left:auto;margin-right:0;padding:8px 14px;font-size:13px}
  .menu{
    order:3;width:100%;margin:10px 0 0;padding:10px 0 12px;
    flex-wrap:wrap;gap:6px;border-top:1px solid var(--line-2);
  }
  .menu a{padding:7px 11px;font-size:12.5px;background:rgba(255,255,255,.72);border:1px solid var(--line-2);margin:0}
  .menu a::after{display:none}
  .menu a[aria-current="page"]{border-color:var(--blue);background:#EFF4FA}
  .wrap{padding:0 20px}
  .sec{padding:64px 0}
  .flow{grid-template-columns:1fr 1fr}
  .flow-i:nth-child(2)::after{display:none}
  .levels{grid-template-columns:1fr 1fr}
  .level:nth-child(2){border-right:0}
  .level:nth-child(1),.level:nth-child(2){border-bottom:1px solid var(--line)}
  .quotes{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}
  .plan{border-right:0;border-bottom:1px solid var(--line)}
  .plan:last-child{border-bottom:0}
  .motto{grid-template-columns:1fr 1fr}
  .motto-i:nth-child(2){border-right:0}
  .motto-i:nth-child(1),.motto-i:nth-child(2){border-bottom:1px solid var(--line)}
  .toolbar{top:0;position:static;padding:16px 0}
  .hero-meta{gap:20px}
  .hero-meta b{font-size:22px}
  .agent-copy{padding:34px 24px}
  .bside{padding:24px 20px;max-height:none}
}
@media (max-width:560px){
  .grid-cards{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow-i::after{display:none}
  .levels{grid-template-columns:1fr}
  .level{border-right:0;border-bottom:1px solid var(--line)}
  .f-in{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .card-dom{font-size:24px}
}