/* ================================================================
   biaopanzidingyi.cn —— 主题站群公用样式
   设计要点：
   - 深空蓝 + 电光青 + 活力橙 渐变品牌色，浅色正文/深色首屏切换
   - 完全原生 CSS，无任何外部依赖
   ================================================================ */

:root{
  --ink:#08122a;
  --navy:#0d1c3f;
  --navy-2:#102a5e;
  --navy-3:#1d3a86;
  --bg:#f4f7fc;
  --card:#ffffff;
  --line:#e3eaf6;
  --line-2:#d6dfee;
  --text:#10224a;
  --muted:#5b6a8c;
  --soft:#f1f5fd;
  --primary:#ff7a1a;
  --primary-dk:#e25d00;
  --primary-2:#ff9d3c;
  --accent:#19d3d8;
  --accent-2:#3a7bff;
  --warn:#ff4d6d;
  --ok:#22c55e;
  --shadow-sm:0 6px 18px -8px rgba(8,18,42,.12);
  --shadow-md:0 18px 40px -18px rgba(8,18,42,.22);
  --shadow-lg:0 30px 80px -28px rgba(8,18,42,.32);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:30px;
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:var(--navy-2);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary)}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:2px dashed var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(255,122,26,.22);color:var(--ink)}

.container{max-width:var(--container);margin:0 auto;padding:0 22px}
.section{padding:88px 0;position:relative}
.section.tight{padding:64px 0}
.section.dark{background:linear-gradient(180deg,#0a1730 0%,#0d1c3f 60%,#0a1730 100%);color:#e8efff}
.section.dark .muted{color:#9fb1d6}
.muted{color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;background:rgba(255,122,26,.08);padding:6px 14px;border-radius:99px}
.eyebrow.alt{color:var(--accent);background:rgba(25,211,216,.1)}
h1,h2,h3,h4{color:var(--ink);margin:0 0 .4em;line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(32px,4.2vw,52px)}
h2{font-size:clamp(26px,3vw,36px)}
h3{font-size:clamp(20px,2vw,24px)}
h4{font-size:18px}
p{margin:0 0 1em}
ul,ol{padding-left:1.2em;margin:0 0 1em}
li{margin:.35em 0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,23,48,.78);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .25s,box-shadow .25s;
}
.site-header.solid{background:rgba(8,18,42,.94);box-shadow:0 8px 30px -16px rgba(0,0,0,.5)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:.02em}
.brand img{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.06)}
.brand small{display:block;font-size:11px;font-weight:500;color:#9fb1d6;letter-spacing:.18em;margin-top:1px}
.nav-main{display:flex;gap:6px;align-items:center}
.nav-main a{color:#e2ebff;font-size:15px;padding:8px 14px;border-radius:8px}
.nav-main a:hover,.nav-main a.active{color:#fff;background:rgba(255,255,255,.07)}
.nav-cta{margin-left:14px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:8px;background:rgba(255,255,255,.08);color:#fff;align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px}
@media (max-width:920px){
  .nav-main{position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;background:rgba(8,18,42,.98);padding:14px 22px 24px;gap:0;display:none;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-main.open{display:flex}
  .nav-main a{padding:14px 8px;border-bottom:1px solid rgba(255,255,255,.05);font-size:16px}
  .nav-cta{margin:14px 0 0}
  .nav-toggle{display:inline-flex}
  .brand small{display:none}
}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;line-height:1;padding:14px 24px;border-radius:99px;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-2) 100%);color:#fff;box-shadow:0 12px 28px -10px rgba(255,122,26,.6)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 32px -10px rgba(255,122,26,.7);color:#fff}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff}
.btn-outline{background:#fff;color:var(--navy);border:1px solid var(--line-2)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dk)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 30px;font-size:16px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 600px at 20% 0%,#14306b 0%,#0a1730 60%,#06122a 100%);color:#eaf1ff;padding:96px 0 110px}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(2px 2px at 10% 20%,rgba(25,211,216,.6) 50%,transparent 51%),
  radial-gradient(2px 2px at 80% 30%,rgba(58,123,255,.5) 50%,transparent 51%),
  radial-gradient(2px 2px at 60% 70%,rgba(255,255,255,.4) 50%,transparent 51%),
  radial-gradient(2px 2px at 30% 80%,rgba(25,211,216,.4) 50%,transparent 51%);
  opacity:.7;pointer-events:none}
.hero::after{content:"";position:absolute;right:-180px;top:-180px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(25,211,216,.16),transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;position:relative;z-index:2}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero-copy .eyebrow{margin-bottom:18px}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 span{color:var(--accent)}
.hero p.lead{font-size:18px;color:#c9d6f1;max-width:540px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hero-meta .chip{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.06);color:#dce7ff;border:1px solid rgba(255,255,255,.1);border-radius:99px;padding:7px 14px;font-size:13px}
.hero-meta .chip svg{width:14px;height:14px;opacity:.9}
.rating-row{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.stars{display:inline-flex;gap:2px;color:#ffb84d;font-size:18px;letter-spacing:2px}
.rating-row .score{color:#fff;font-weight:800;font-size:18px}
.rating-row small{color:#9fb1d6;font-size:13px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px}
.hero-trust{display:flex;flex-wrap:wrap;gap:18px;font-size:12px;color:#9fb1d6;margin-top:18px}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}
.hero-trust svg{width:14px;height:14px;color:var(--accent)}

.hero-visual{position:relative;min-height:480px;display:flex;align-items:center;justify-content:center}
.watch-stage{position:relative;width:300px;height:300px}
.watch-stage::before{content:"";position:absolute;inset:-30px;border-radius:50%;
  background:conic-gradient(from 120deg,rgba(25,211,216,.0) 0deg,rgba(25,211,216,.35) 90deg,rgba(58,123,255,.0) 180deg,rgba(255,122,26,.25) 280deg,rgba(25,211,216,.0) 360deg);
  filter:blur(36px);opacity:.75;z-index:0}
.watch-stage .dial{position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,#1d3a86 0%,#0d1c3f 60%,#08122a 100%);
  box-shadow:inset 0 0 0 4px rgba(25,211,216,.18),inset 0 0 0 10px rgba(255,255,255,.04),0 30px 80px -20px rgba(0,0,0,.7);
  display:flex;align-items:center;justify-content:center;color:#fff;z-index:1}
.dial .inner{text-align:center;line-height:1}
.dial .time{font-size:54px;font-weight:800;letter-spacing:2px;font-feature-settings:"tnum";color:#fff}
.dial .date{margin-top:10px;font-size:13px;color:#a4b8e2;letter-spacing:.18em}
.dial .stats{margin-top:18px;display:flex;justify-content:center;gap:14px;font-size:11px;color:#9fb1d6}
.dial .stats span{display:inline-flex;gap:4px;align-items:center}
.dial .stats strong{color:var(--accent);font-size:14px}
.dial .ring{position:absolute;inset:-14px;border-radius:50%;border:2px dashed rgba(25,211,216,.5);animation:spin 22s linear infinite}
.dial .ring.r2{inset:-32px;border-color:rgba(255,255,255,.12);animation-duration:34s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.floats{position:absolute;inset:0;z-index:2;pointer-events:none}
.float{position:absolute;width:120px;height:200px;border-radius:18px;border:4px solid #1a2a52;background:#0b1738;overflow:hidden;box-shadow:0 20px 50px -16px rgba(0,0,0,.6),inset 0 0 0 2px rgba(25,211,216,.18);display:flex;align-items:stretch;justify-content:center}
.float img{width:100%;height:100%;object-fit:cover}
.float.f1{top:-12px;left:-44px;transform:rotate(-9deg)}
.float.f2{bottom:-22px;right:-30px;transform:rotate(7deg)}
.float.f3{top:42%;right:-72px;width:96px;height:160px;transform:rotate(13deg);opacity:.92}
@media (max-width:920px){
  .hero-visual{min-height:380px}
  .watch-stage{width:240px;height:240px}
  .dial .time{font-size:42px}
  .float{width:90px;height:150px}
  .float.f3{right:-30px}
}

/* ---------- 通用区域标题 ---------- */
.area-head{text-align:center;max-width:780px;margin:0 auto 50px}
.area-head h2 span{color:var(--primary)}
.area-head p{color:var(--muted);font-size:17px}
.section.dark .area-head h2{color:#fff}
.section.dark .area-head p{color:#9fb1d6}

/* ---------- 统计条 ---------- */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-46px;position:relative;z-index:5}
.stats-bar .stat{background:#fff;border-radius:var(--r-md);padding:22px 18px;text-align:center;box-shadow:var(--shadow-md);border:1px solid var(--line)}
.stats-bar .stat strong{display:block;font-size:28px;color:var(--ink);font-weight:800;letter-spacing:-.01em}
.stats-bar .stat span{font-size:13px;color:var(--muted)}
@media (max-width:720px){.stats-bar{grid-template-columns:repeat(2,1fr)}}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:920px){.grid-3,.grid-2{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:#fff;border-radius:var(--r-md);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.card .ic{width:48px;height:48px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e8f4ff,#d6ecff);color:var(--navy-2);margin-bottom:14px}
.card .ic svg{width:24px;height:24px}
.card h3{font-size:18px;margin-bottom:6px}
.card p{font-size:15px;color:var(--muted);margin:0}
.card.dark{background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);color:#e1eaff}
.card.dark:hover{box-shadow:0 20px 50px -20px rgba(0,0,0,.5)}
.card.dark .ic{background:linear-gradient(135deg,rgba(25,211,216,.2),rgba(58,123,255,.15));color:var(--accent)}
.card.dark h3{color:#fff}
.card.dark p{color:#9fb1d6}

/* ---------- 深度入口 ---------- */
.deep-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:960px){.deep-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.deep-grid{grid-template-columns:1fr}}
.deep-card{position:relative;background:#fff;border-radius:var(--r-lg);padding:26px 24px 24px;border:1px solid var(--line);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;min-height:240px;overflow:hidden;transition:.25s}
.deep-card::after{content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;background:radial-gradient(closest-side,rgba(25,211,216,.12),transparent 70%)}
.deep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.deep-card .tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--primary);background:rgba(255,122,26,.1);padding:4px 10px;border-radius:99px;margin-bottom:14px}
.deep-card h3{font-size:20px;margin-bottom:8px}
.deep-card p{color:var(--muted);font-size:14.5px;flex:1;margin-bottom:18px}
.deep-card .more{color:var(--navy-2);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.deep-card .more:hover{color:var(--primary)}

/* ---------- 截图灯箱 ---------- */
.shot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:760px){.shot-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:420px){.shot-grid{grid-template-columns:1fr}}
.shot{position:relative;display:block;border-radius:18px;overflow:hidden;background:#0c1a3a;aspect-ratio:9/16;cursor:zoom-in;border:1px solid rgba(25,211,216,.12);box-shadow:var(--shadow-md)}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.shot:hover img{transform:scale(1.04)}
.shot .cap{position:absolute;left:12px;bottom:12px;padding:5px 12px;background:rgba(8,18,42,.7);color:#e1eaff;font-size:12px;border-radius:99px;backdrop-filter:blur(6px)}
.lb{position:fixed;inset:0;background:rgba(4,10,26,.85);display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.lb.open{display:flex;animation:fade .2s ease}
.lb img{max-height:90vh;max-width:90vw;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb .lb-close{position:absolute;top:18px;right:18px;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.lb .lb-close svg{width:20px;height:20px}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* ---------- 评价精选 ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:860px){.quotes{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.quotes{grid-template-columns:1fr}}
.quote{background:#fff;border-radius:var(--r-md);padding:22px;border:1px solid var(--line);position:relative}
.quote::before{content:"\201C";position:absolute;top:-12px;left:18px;font-size:64px;color:var(--primary);font-family:Georgia,serif;line-height:1}
.quote p{color:#314466;font-size:15px;margin:8px 0 14px}
.quote .who{display:flex;align-items:center;gap:10px}
.quote .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.quote .who strong{display:block;color:var(--ink);font-size:14px}
.quote .who small{color:var(--muted);font-size:12px}

/* ---------- 评分条 ---------- */
.rating-bars{background:#fff;border-radius:var(--r-md);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.rating-bars h3{margin-bottom:14px}
.bar-row{display:grid;grid-template-columns:90px 1fr 50px;gap:14px;align-items:center;margin:10px 0}
.bar-row label{color:var(--muted);font-size:14px}
.bar-row .track{height:10px;background:#eef2fa;border-radius:99px;overflow:hidden}
.bar-row .fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:99px}
.bar-row .v{font-weight:700;color:var(--ink);text-align:right;font-size:14px}
.score-card{background:linear-gradient(160deg,#0d1c3f,#1d3a86);color:#fff;border-radius:var(--r-md);padding:30px;text-align:center;position:relative;overflow:hidden}
.score-card::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:radial-gradient(closest-side,rgba(25,211,216,.25),transparent 70%)}
.score-card .num{font-size:60px;font-weight:800;letter-spacing:-.02em;line-height:1;color:#fff}
.score-card .stars{justify-content:center;margin:6px 0 10px}
.score-card p{color:#c9d6f1}

/* ---------- 评价故事 ---------- */
.story{display:grid;grid-template-columns:1fr 240px;gap:24px;background:#fff;border-radius:var(--r-md);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow-sm);margin-bottom:16px}
.story .body p{color:#314466;font-size:15px}
.story .body p:last-child{margin-bottom:0}
.story .meta{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 12px}
.story .meta span{font-size:12px;background:#eef2fa;color:var(--navy-2);padding:4px 10px;border-radius:99px}
.story .side{background:linear-gradient(160deg,#102a5e,#0a1730);color:#c9d6f1;border-radius:var(--r-md);padding:18px;text-align:center;display:flex;flex-direction:column;justify-content:center}
.story .side strong{display:block;font-size:36px;color:#fff;font-weight:800}
.story .side small{color:#9fb1d6;font-size:12px}
@media (max-width:680px){.story{grid-template-columns:1fr}.story .side{order:-1}}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:0 22px;transition:.2s}
.faq details[open]{box-shadow:var(--shadow-sm);border-color:#dde6f7}
.faq summary{list-style:none;cursor:pointer;padding:18px 0;font-weight:700;color:var(--ink);font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:14px;height:14px;border-right:2px solid var(--navy-2);border-bottom:2px solid var(--navy-2);transform:rotate(45deg) translate(-2px,-2px);transition:transform .2s;flex:0 0 auto}
.faq details[open] summary::after{transform:rotate(225deg) translate(0,0)}
.faq .answer{padding:0 0 20px;color:#314466;font-size:15px;line-height:1.85}
.faq .answer p:last-child{margin:0}
.faq-group-title{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:.16em;margin:24px 0 10px;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.faq-group-title::before{content:"";width:6px;height:18px;background:linear-gradient(180deg,var(--primary),var(--primary-2));border-radius:3px}

/* ---------- 步骤 ---------- */
.steps{display:flex;flex-direction:column;gap:18px;counter-reset:step}
.step{display:grid;grid-template-columns:64px 1fr;gap:18px;background:#fff;border-radius:var(--r-md);padding:22px 24px;border:1px solid var(--line);box-shadow:var(--shadow-sm);position:relative}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:-1px;top:-1px;bottom:-1px;width:64px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#0d1c3f,#102a5e);color:#fff;font-weight:800;font-size:18px;border-radius:var(--r-md) 0 0 var(--r-md);letter-spacing:.04em}
.step h3{margin:0 0 6px}
.step p{margin:0 0 8px}
.step ul{margin:0;padding-left:18px}
.step li{font-size:14.5px;color:#314466}
@media (max-width:520px){.step{grid-template-columns:1fr}.step::before{position:static;width:auto;height:34px;border-radius:var(--r-md) var(--r-md) 0 0;margin:-22px -24px 14px}}

/* ---------- 兼容表 ---------- */
.dev-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);font-size:14.5px}
.dev-table th,.dev-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.dev-table th{background:linear-gradient(180deg,#0d1c3f,#102a5e);color:#fff;font-weight:600;letter-spacing:.04em}
.dev-table tr:last-child td{border-bottom:none}
.dev-table tr:nth-child(even) td{background:#f7faff}
.dev-table td.tag{color:var(--primary);font-weight:700}
.dev-note{font-size:12.5px;color:var(--muted);margin-top:8px}

/* ---------- 提示框 ---------- */
.note{display:flex;gap:14px;background:linear-gradient(160deg,#fff7ee,#fff0de);border:1px solid #ffd6a6;border-radius:var(--r-md);padding:16px 18px;margin:18px 0}
.note .ic{flex:0 0 28px;height:28px;border-radius:8px;background:#ff7a1a;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.note strong{color:#9a4d00}
.note.tip{background:linear-gradient(160deg,#eafcff,#d6f8fb);border-color:#9be1e6}
.note.tip .ic{background:#19d3d8}
.note.warn{background:linear-gradient(160deg,#fff0f3,#ffe1e7);border-color:#ffb1c0}
.note.warn .ic{background:#ff4d6d}

/* ---------- 面包屑 ---------- */
.crumb{background:linear-gradient(180deg,#f4f7fc,#eef3fc);border-bottom:1px solid var(--line);padding:14px 0;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{margin:0 8px;opacity:.5}

/* ---------- CTA 底部下载条 ---------- */
.cta-band{background:linear-gradient(120deg,#0d1c3f 0%,#1d3a86 50%,#102a5e 100%);color:#fff;border-radius:var(--r-xl);padding:48px 44px;display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 300px at 0% 0%,rgba(25,211,216,.18),transparent 60%),radial-gradient(600px 280px at 100% 100%,rgba(255,122,26,.2),transparent 60%);pointer-events:none}
.cta-band h2{color:#fff;margin-bottom:8px;position:relative}
.cta-band p{color:#c9d6f1;position:relative;margin:0}
.cta-band .act{justify-self:end;display:flex;gap:12px;position:relative}
@media (max-width:760px){.cta-band{grid-template-columns:1fr;padding:36px 24px}.cta-band .act{justify-self:start;flex-wrap:wrap}}

/* ---------- 页脚 ---------- */
.site-footer{background:#06122a;color:#9fb1d6;padding:64px 0 26px;margin-top:60px;position:relative}
.site-footer a{color:#c9d6f1}
.site-footer a:hover{color:var(--accent)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{color:#fff;font-size:14px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin:8px 0}
.foot-brand .brand{font-size:18px;margin-bottom:10px}
.foot-brand p{font-size:14px;color:#9fb1d6;line-height:1.85;max-width:340px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:46px;padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:#7d8eb1}
.foot-disclaimer{font-size:12px;color:#7d8eb1;margin-top:14px;line-height:1.85;max-width:980px}
.foot-disclaimer strong{color:#9fb1d6}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:.6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .dial .ring{animation:none}
}

/* ---------- 杂项 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.tag-row span{font-size:13px;background:#eef2fa;color:var(--navy-2);padding:6px 12px;border-radius:99px}
.lede{font-size:18px;color:#314466;max-width:760px;margin:0 auto 30px;text-align:center}
.feature-image-card{background:#fff;border-radius:var(--r-md);padding:18px;border:1px solid var(--line);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px}
.feature-image-card img{border-radius:14px}
.divider{height:1px;background:var(--line);margin:30px 0}
.kicker{display:inline-block;font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.16em;text-transform:uppercase;margin-bottom:6px}
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;display:none;align-items:center;justify-content:center;box-shadow:0 18px 40px -16px rgba(255,122,26,.6);z-index:50;cursor:pointer}
.to-top.show{display:flex}
.to-top svg{width:20px;height:20px}