/* ============================================================
   呆素鸡 AI 工具选型平台 · 信息服务平台
   设计系统 v8 — 黛墨竹青（松石冷青 / 高端专业选型智库）
   ============================================================ */

/* --- 1. 设计令牌 ------------------------------------------- */
:root{
  /* 主色调：黛墨松绿/冷青，内敛稳重、有文化厚度、高辨识度非大众科技蓝 */
  --primary:#0f5144;
  --primary-hover:#0d6353;
  --primary-active:#09382f;
  --primary-light:#f0fdf9;
  --primary-light-2:#ccfbf1;
  --primary-border:#99f6e4;
  --primary-text:#0f5144;

  /* 次级品牌强调色：青绿/松石冷翠 */
  --accent:#0d9488;
  --accent-light:#f0fdfa;

  /* 文字墨色系统：深冷灰，避免死黑，增强阅读通透感 */
  --ink:#0f172a;
  --ink-2:#334155;
  --ink-3:#64748b;
  --ink-4:#94a3b8;

  /* 边框线条：清透、细腻 */
  --line:#e2e8f0;
  --line-2:#f1f5f9;

  /* 表面与背景：纯白底 + 极轻柔冷松灰分区底 */
  --surface:#ffffff;
  --surface-2:#f8faf9;
  --surface-3:#f1f5f4;
  --surface-hero:linear-gradient(180deg, #f8faf9 0%, #ecf5f3 100%);
  --deep:#0a2923;
  --deep-2:#133e36;

  /* 业务状态提示 */
  --warn-bg:#fffbeb; --warn-line:#fde68a; --warn-ink:#92400e;
  --ok-bg:#f0fdf4;   --ok-line:#bbf7d0;   --ok-ink:#166534;
  --err-bg:#fef2f2;  --err-line:#fecaca;  --err-ink:#991b1b;

  /* 字体栈：系统优先，中西文优雅搭配 */
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC",
         "Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",
         "Helvetica Neue",Arial,sans-serif;
  --num:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"Cascadia Mono",Consolas,"SF Mono",Menlo,"Courier New",monospace;

  /* 圆角：微圆角现代规整 */
  --r-sm:4px;
  --r:6px;
  --r-lg:10px;
  --r-xl:14px;
  --r-pill:9999px;

  /* 现代分层投影 */
  --sh-sm:0 1px 2px 0 rgba(15,23,42,0.05);
  --sh-1:0 1px 3px 0 rgba(15,23,42,0.06), 0 1px 2px -1px rgba(15,23,42,0.04);
  --sh-2:0 4px 6px -1px rgba(15,23,42,0.08), 0 2px 4px -2px rgba(15,23,42,0.05);
  --sh-3:0 10px 15px -3px rgba(15,23,42,0.08), 0 4px 6px -4px rgba(15,23,42,0.04);
  --sh-hover:0 12px 20px -3px rgba(15,81,68,0.1), 0 4px 6px -4px rgba(15,23,42,0.04);

  --wrap:1200px;
  --gut:24px;
  --head-h:68px;
}

/* --- 2. 重置与基础 ---------------------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--sans);font-size:15px;line-height:1.7;
  color:var(--ink);background:var(--surface);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-hover);text-decoration:none;}
h1,h2,h3,h4{margin:0;font-weight:650;line-height:1.3;color:var(--ink);letter-spacing:-.015em;}
h1{font-size:36px;line-height:1.22;}
h2{font-size:24px;}
h3{font-size:17px;}
h4{font-size:15px;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.4em;}
li{margin-bottom:.4em;}
small{font-size:13px;}
table{border-collapse:collapse;width:100%;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--primary);color:#fff;padding:10px 16px;font-weight:500;
}
.skip:focus{left:0;}

/* --- 3. 布局工具 ------------------------------------------ */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);}
.wrap-narrow{max-width:920px;margin:0 auto;padding:0 var(--gut);}
.sect{padding:72px 0;}
.sect-tight{padding:54px 0;}
.sect-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.center{text-align:center;}
.stack>*+*{margin-top:14px;}
.mt-0{margin-top:0;}
.mb-0{margin-bottom:0;}

/* --- 4. 章节标题 ------------------------------------------ */
.sect-head{max-width:760px;margin-bottom:34px;}
.sect-head.center{margin-left:auto;margin-right:auto;}
.sect-head h2{
  font-size:25px;font-weight:700;line-height:1.35;margin-bottom:10px;
  color:var(--ink);letter-spacing:-.015em;border:0;padding:0;
}
.kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);margin-bottom:8px;
  background:var(--primary-light);padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid var(--primary-border);
}
.kicker::before{content:none;}
.sect-head p{color:var(--ink-3);font-size:15px;margin-bottom:0;max-width:48em;line-height:1.7;}

/* --- 5. 顶部信息条与导航 ----------------------------------- */
.topline{
  background:#f8fafc;color:var(--ink-3);
  font-size:12.5px;border-bottom:1px solid var(--line);
}
.topline .wrap{display:flex;justify-content:space-between;gap:16px;height:34px;align-items:center;}
.topline a{color:var(--ink-3);padding:0 4px;font-size:12.5px;}
.topline a:hover{color:var(--primary);}
.topline .tl-r{display:flex;gap:14px;align-items:center;}
.topline .tl-r a+a{border-left:1px solid var(--line);padding-left:14px;}

.header{
  background:rgba(255,255,255,0.96);backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:100;
  box-shadow:0 1px 3px 0 rgba(15,23,42,0.06);border-bottom:1px solid var(--line);
}
.header .hd-main{display:flex;align-items:center;gap:28px;height:var(--head-h);}
.brand{display:flex;align-items:center;flex-shrink:0;color:var(--ink);gap:10px;}
.brand:hover{text-decoration:none;}
.brand-mark{
  font-size:17.5px;font-weight:700;color:var(--ink);
  letter-spacing:-.01em;line-height:1.35;white-space:nowrap;
}
.brand-mark::before{
  content:"";display:inline-block;width:9px;height:9px;border-radius:2px;
  background:var(--accent);margin-right:8px;vertical-align:1px;
}
.brand:hover .brand-mark{color:var(--primary);}
.brand-logo{display:block;height:auto;width:auto;}

.nav{display:flex;align-items:center;gap:2px;margin:0;height:auto;}
.nav a{
  display:inline-flex;align-items:center;height:36px;
  padding:0 13px;font-size:14.5px;color:var(--ink-2);font-weight:500;
  white-space:nowrap;border-radius:var(--r);transition:all .15s ease;
  position:relative;
}
.nav a:hover{color:var(--primary);background:var(--primary-light);text-decoration:none;}
.nav a[aria-current="page"]{
  color:var(--primary);font-weight:600;background:var(--primary-light);
}
.head-act{display:flex;gap:10px;align-items:center;flex-shrink:0;margin-left:auto;}
.nav .m-only{display:none;}
.navtoggle{
  display:none;width:38px;height:34px;border:1px solid var(--line);
  background:var(--surface);border-radius:var(--r-sm);
  padding:0;place-items:center;color:var(--ink-2);margin-left:14px;flex-shrink:0;
}
.navtoggle span{display:block;width:17px;height:1.5px;background:currentColor;box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor;}

/* --- 6. 按钮 ---------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 18px;border-radius:var(--r);border:1px solid transparent;
  font-size:14px;font-weight:600;line-height:1.45;white-space:nowrap;
  box-shadow:var(--sh-sm);
  transition:all .16s ease;
}
.btn:hover{text-decoration:none;box-shadow:var(--sh-2);transform:translateY(-1px);}
.btn-pri{
  background:var(--primary);color:#fff;border-color:var(--primary);
  background-image:linear-gradient(180deg, rgba(255,255,255,0.12) 0%, rgba(0,0,0,0.06) 100%);
}
.btn-pri:hover{background-color:var(--primary-hover);border-color:var(--primary-hover);color:#fff;}
.btn-sec{background:var(--surface);color:var(--ink-2);border-color:var(--line);}
.btn-sec:hover{background:var(--surface-2);border-color:var(--ink-3);color:var(--ink);}
.btn-ghost{background:transparent;color:var(--ink-2);padding-left:8px;padding-right:8px;border:0;box-shadow:none;}
.btn-ghost:hover{color:var(--primary);background:var(--primary-light);box-shadow:none;transform:none;}
.btn-light{background:var(--surface-3);color:var(--ink-2);border-color:var(--line);box-shadow:none;}
.btn-light:hover{background:#e2e8f0;color:var(--ink);}
.btn-sm{padding:6px 13px;font-size:13px;border-radius:var(--r-sm);}
.btn-lg{padding:12px 26px;font-size:15.5px;border-radius:var(--r);}
.btn-block{width:100%;}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* --- 7. 首屏（双列现代门户） ---------------------------------- */
.hero{
  position:relative;color:var(--ink);
  background:var(--surface-hero);
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,440px);
  gap:52px;align-items:center;padding:64px 0 68px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 12px;border:1px solid var(--primary-border);
  background:var(--primary-light);border-radius:var(--r-pill);
  font-size:12.5px;color:var(--primary);margin-bottom:18px;font-weight:600;
}
.hero-badge i{
  width:6px;height:6px;background:var(--accent);flex-shrink:0;border-radius:50%;
}
.hero h1{
  font-size:clamp(32px,3.8vw,44px);line-height:1.2;margin-bottom:16px;
  color:var(--ink);letter-spacing:-.025em;font-weight:800;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-lede{font-size:16px;line-height:1.75;color:var(--ink-2);max-width:38em;margin-bottom:24px;}
.hero-search{
  display:flex;gap:8px;max-width:560px;margin:0 0 16px;
  background:#fff;padding:5px;border:1px solid var(--primary-border);
  border-radius:var(--r);box-shadow:var(--sh-2);
}
.hero-input{
  flex:1;min-width:0;height:44px;padding:0 14px;border:0;
  background:transparent;color:var(--ink);font-size:15px;
  outline:none;
}
.hero-input:focus{box-shadow:none;}
.hero-btn{height:44px;padding:0 22px;font-size:14.5px;border-radius:var(--r-sm);}
.hero-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);
}
.hero-tags a{
  display:inline-flex;align-items:center;height:28px;padding:0 11px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;color:var(--ink-2);font-size:12.5px;font-weight:500;
  transition:all .15s ease;
}
.hero-tags a:hover{
  border-color:var(--primary-border);color:var(--primary);background:var(--primary-light);
}

/* 首屏右侧速查看板 */
.hero-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-3);
  color:var(--ink);overflow:hidden;
}
.hc-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 22px;background:#f8fafc;border-bottom:1px solid var(--line);
}
.hc-head b{
  font-size:13.5px;letter-spacing:.02em;color:var(--ink);font-weight:700;
  display:flex;align-items:center;gap:8px;
}
.hc-head b::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);
}
.hc-dot{font-size:12px;color:var(--ink-3);background:var(--surface-3);padding:2px 8px;border-radius:var(--r-pill);}
.hc-body{padding:12px 22px 18px;}
.hc-row{
  display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;
  padding:12px 0;border-bottom:1px solid var(--line-2);
}
.hc-row:last-child{border-bottom:0;}
.hc-row .n{font-size:14px;font-weight:600;color:var(--ink);}
.hc-row .m{font-size:12.5px;color:var(--ink-3);font-family:var(--num);line-height:1.5;margin-top:2px;}
.hc-tag{
  font-size:12px;font-weight:600;padding:3px 9px;border-radius:var(--r-sm);
  background:var(--primary-light);color:var(--primary);white-space:nowrap;
  border:1px solid var(--primary-border);
}
.hc-tag.b{background:var(--surface-3);color:var(--ink-2);border-color:var(--line);}
.hc-foot{
  padding:12px 22px;background:#f8fafc;border-top:1px solid var(--line-2);
  font-size:12.5px;color:var(--ink-3);display:flex;justify-content:space-between;align-items:center;
}
.hc-foot a{font-weight:600;color:var(--primary);}

/* --- 8. 数据指标浮条 ---------------------------------------- */
.band{background:#fff;border-bottom:1px solid var(--line);}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.band-item{
  padding:28px 24px;border-left:1px solid var(--line);
  position:relative;
}
.band-item:first-child{border-left:0;padding-left:0;}
.band-item .v{
  font-family:var(--num);font-size:34px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;color:var(--primary);letter-spacing:-.03em;
}
.band-item .v small{font-size:14px;font-weight:600;color:var(--ink-3);margin-left:4px;}
.band-item .k{font-size:13px;color:var(--ink-3);margin-top:6px;font-weight:500;}

/* --- 9. 通用卡片与货架 -------------------------------------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.card{
  background:#fff;padding:26px 24px;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  position:relative;overflow:hidden;
}
.card:hover{
  border-color:var(--primary-border);box-shadow:var(--sh-hover);
  transform:translateY(-2px);
}
.card h3{margin-bottom:10px;font-size:17.5px;font-weight:700;color:var(--ink);}
.card p{color:var(--ink-2);font-size:14px;line-height:1.7;}
.card p:last-child{margin-bottom:0;}

.shelf-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:28px;
}
.shelf-head h2{font-size:24px;font-weight:700;margin-bottom:6px;color:var(--ink);}
.shelf-head p{font-size:14.5px;color:var(--ink-3);margin:0;}
.shelf-link{
  flex-shrink:0;font-size:14px;font-weight:600;color:var(--primary);
  padding:4px 10px;background:var(--primary-light);border-radius:var(--r-sm);
  white-space:nowrap;transition:background .15s ease;
}
.shelf-link:hover{background:var(--primary-light-2);text-decoration:none;}

.shelf-meta{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  margin-bottom:14px;font-size:13px;color:var(--ink-3);
}
.shelf-meta>span:first-child{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;
  background:var(--primary-light);color:var(--primary);border-radius:var(--r-sm);
  font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
  border:1px solid var(--primary-border);
}
.shelf-meta>b{
  font-family:var(--num);font-size:17px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;white-space:nowrap;letter-spacing:-.01em;
}
.shelf-meta>b small{font-size:12px;font-weight:500;color:var(--ink-3);margin-left:2px;}
.shelf-card h3{font-size:17.5px;margin-bottom:8px;}
.shelf-card h3 a{color:var(--ink);}
.shelf-card h3 a:hover{color:var(--primary);}
.shelf-note{font-size:13.5px;color:var(--ink-3);margin:0 0 14px;}
.shelf-scene{
  margin:0;padding-top:14px;border-top:1px solid var(--line-2);
  font-size:13px;color:var(--ink-2);line-height:1.65;
}
.shelf-cycle{
  font-family:var(--num);font-size:12.5px;font-weight:600;
  color:var(--primary);background:var(--primary-light);padding:2px 8px;border-radius:var(--r-sm);
  white-space:nowrap;
}
.shelf-foot{
  margin:0;padding-top:14px;border-top:1px solid var(--line-2);
  font-size:13px;color:var(--ink-3);line-height:1.65;
}

/* --- 10. 页头（内页） -------------------------------------- */
.pagehead{
  background:linear-gradient(180deg,#f8fafc 0%,#f1f5f9 100%);
  color:var(--ink);
  padding:46px 0 42px;border-bottom:1px solid var(--line);position:relative;
}
.crumb{font-size:12.5px;color:var(--ink-3);margin-bottom:12px;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--primary);}
.crumb span{margin:0 8px;color:var(--ink-4);}
.pagehead h1{font-size:32px;margin-bottom:10px;color:var(--ink);letter-spacing:-.02em;font-weight:800;}
.pagehead .sub{font-size:15.5px;color:var(--ink-2);max-width:56em;margin:0;line-height:1.7;}

/* --- 11. 检索与筛选 --------------------------------------- */
.toolbar{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;margin-bottom:24px;box-shadow:var(--sh-sm);
}
.search-row{display:flex;gap:12px;margin-bottom:18px;}
.search-in{position:relative;flex:1;}
.search-in input{
  width:100%;padding:13px 16px 13px 42px;border:1px solid var(--line);
  border-radius:var(--r);background:#fff;color:var(--ink);
  font-size:15px;transition:border-color .15s ease,box-shadow .15s ease;
}
.search-in input:focus{
  border-color:var(--primary);outline:none;
  box-shadow:0 0 0 3px rgba(15,81,68,0.12);
}
.search-in::before{
  content:"";position:absolute;left:16px;top:50%;width:11px;height:11px;
  margin-top:-8px;border:1.5px solid var(--ink-4);border-radius:50%;
}
.search-in::after{
  content:"";position:absolute;left:26px;top:50%;width:5px;height:1.5px;
  margin-top:2px;background:var(--ink-4);transform:rotate(45deg);
}
.filters{display:flex;flex-wrap:wrap;gap:16px 30px;align-items:flex-end;}
.fgroup{display:flex;flex-direction:column;gap:8px;}
.fgroup>span{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.chips{display:flex;flex-wrap:wrap;gap:7px;}
.chip{
  padding:6px 13px;border:1px solid var(--line);border-radius:var(--r);
  background:#fff;color:var(--ink-2);font-size:13px;font-weight:500;
  transition:all .14s ease;
}
.chip:hover{border-color:var(--primary-border);color:var(--primary);background:var(--primary-light);}
.chip[aria-pressed="true"]{
  background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600;
}
.result-bar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  flex-wrap:wrap;margin-bottom:16px;font-size:13.5px;color:var(--ink-3);
}
.result-bar b{color:var(--primary);font-family:var(--num);font-weight:700;}

/* --- 11.5 内容选项卡 ---------------------------------------- */
.tabs{
  display:flex;gap:6px;border-bottom:1px solid var(--line);
  margin-bottom:26px;
}
.tab{
  appearance:none;background:none;border:0;border-bottom:2.5px solid transparent;
  padding:12px 22px;margin-bottom:-1px;font-family:inherit;font-size:15.5px;
  font-weight:600;color:var(--ink-3);cursor:pointer;transition:all .15s ease;
}
.tab:hover{color:var(--primary);}
.tab[aria-selected="true"]{
  color:var(--primary);border-bottom-color:var(--primary);font-weight:700;
}
.tabpanel[hidden]{display:none;}

/* --- 12. 数据表 ------------------------------------------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);
}
table.data{min-width:880px;font-size:14.5px;}
table.data caption{
  text-align:left;padding:15px 20px;font-size:13px;color:var(--ink-3);
  border-bottom:1px solid var(--line);background:#f8fafc;font-weight:500;
}
table.data th,table.data td{
  padding:15px 18px;text-align:left;border-bottom:1px solid var(--line-2);
  vertical-align:top;line-height:1.65;
}
table.data thead th{
  background:#f1f5f9;font-size:13px;font-weight:700;
  color:var(--ink);letter-spacing:.02em;white-space:nowrap;
  border-bottom:1px solid var(--line);
}
table.data tbody tr:last-child td{border-bottom:0;}
table.data tbody tr:hover{background:#f8fafc;}
table.data td.nm{font-weight:700;color:var(--ink);line-height:1.5;}
table.data td.num{font-family:var(--num);white-space:nowrap;font-variant-numeric:tabular-nums;}
table.data td.pr{font-family:var(--num);font-weight:700;color:var(--primary);white-space:nowrap;}
table.data td.fc{min-width:300px;font-size:14px;color:var(--ink-2);line-height:1.7;}
table.data td.rng{font-family:var(--num);font-size:14px;white-space:nowrap;font-weight:600;}

table.data.data-cat{min-width:1180px;table-layout:fixed;}
.data-cat .col-scene{width:19%;}
.data-cat .col-fee{width:9%;}
.data-cat .col-level{width:8%;}
.data-cat .col-form{width:12%;}
.data-cat .col-io{width:11%;}
.data-cat .col-rights{width:14%;}
.data-cat .col-focus{width:19%;}
.data-cat .col-source{width:8%;}

.third-section{margin-top:34px;}
.third-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:14px;}
.third-head h2{margin:0;font-size:19px;line-height:1.4;color:var(--ink);font-weight:700;}
.third-head>span{font-size:13px;color:var(--ink-3);white-space:nowrap;}
.third-head b{color:var(--primary);font-family:var(--num);font-weight:700;}
table.third-table{min-width:920px;table-layout:fixed;}
.third-table .col-product{width:38%;}
.third-table .col-industry{width:10%;}
.third-table .col-publisher{width:17%;}
.third-table .col-date{width:12%;}
.third-table .col-access{width:12%;}
.third-table .col-action{width:11%;}
.third-table tbody td{vertical-align:middle;}
.third-title{color:var(--ink);font-weight:700;line-height:1.55;}
.third-title:hover{color:var(--primary);}
.third-summary{margin-top:6px;font-size:12.5px;color:var(--ink-3);line-height:1.7;}
.third-publisher{font-weight:600;}
.empty{padding:56px 24px;text-align:center;color:var(--ink-3);font-size:14px;}

/* --- 13. 标签 --------------------------------------------- */
.tag{
  display:inline-block;font-size:12px;font-weight:600;line-height:1.5;
  padding:3px 9px;border-radius:var(--r-sm);white-space:nowrap;
  background:var(--surface-3);color:var(--ink-2);
}
.tag-b{background:var(--primary-light);color:var(--primary);border:1px solid var(--primary-border);}
.tag-t{background:#fff;color:var(--ink-2);border:1px solid var(--line);}
.tag-w{background:var(--warn-bg);color:var(--warn-ink);border:1px solid var(--warn-line);}
.tags{display:flex;flex-wrap:wrap;gap:7px;}

/* --- 14. 提示框 ------------------------------------------- */
.note{
  border:1px solid var(--line);border-left:4px solid var(--primary);
  border-radius:var(--r);background:var(--surface-2);
  padding:16px 20px;font-size:13.5px;color:var(--ink-2);
  box-shadow:var(--sh-sm);
}
.note b{color:var(--ink);}
.note p:last-child{margin-bottom:0;}
.note-warn{background:var(--warn-bg);border-color:var(--warn-line);border-left-color:#d97706;color:var(--warn-ink);}
.note-ok{background:var(--ok-bg);border-color:var(--ok-line);border-left-color:var(--ok-ink);color:var(--ok-ink);}

/* --- 15. 表单 --------------------------------------------- */
.formcard{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-1);
  padding:34px 32px;
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 20px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink);}
.field label .req{color:var(--err-ink);margin-left:2px;}
.field .hint{font-size:12px;color:var(--ink-3);}
.field input,.field select,.field textarea{
  padding:10px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--ink);width:100%;font-size:14px;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.field textarea{min-height:100px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,81,68,0.12);
}
.field .err{font-size:12px;color:var(--err-ink);display:none;}
.field.invalid input,.field.invalid select,.field.invalid textarea{
  border-color:var(--err-line);background:var(--err-bg);
}
.field.invalid .err{display:block;}
.check{display:flex;gap:8px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);}
.check input{width:auto;margin-top:4px;flex-shrink:0;}
.form-foot{
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.form-msg{display:none;margin-bottom:18px;}
.form-msg.on{display:block;}

/* --- 16. 资费卡片 ----------------------------------------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  background:#fff;padding:34px 28px;border:1px solid var(--line);
  border-radius:var(--r-xl);box-shadow:var(--sh-sm);position:relative;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.plan:hover{border-color:var(--primary-border);box-shadow:var(--sh-hover);transform:translateY(-2px);}
.plan.hot{
  border:2px solid var(--primary);box-shadow:0 12px 24px -4px rgba(15,81,68,0.14);
  background:linear-gradient(180deg,#fff 0%,#f0fdf9 100%);
}
.plan-flag{
  position:absolute;top:-13px;right:24px;background:var(--primary);color:#fff;
  font-size:12px;font-weight:700;padding:4px 14px;border-radius:var(--r-pill);
  letter-spacing:.02em;box-shadow:var(--sh-sm);
}
.plan h3{font-size:21px;font-weight:700;margin-bottom:6px;color:var(--ink);}
.plan .desc{font-size:14px;color:var(--ink-3);margin-bottom:24px;min-height:3.2em;line-height:1.65;}
.plan .price{
  font-family:var(--num);font-size:46px;font-weight:800;color:var(--ink);
  line-height:1.05;letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.plan.hot .price{color:var(--primary);}
.plan .price sup{font-size:20px;font-weight:600;vertical-align:top;margin-right:2px;color:var(--ink-2);}
.plan .price sub{font-size:14px;font-weight:500;color:var(--ink-3);vertical-align:baseline;margin-left:4px;}
.plan .was{font-size:13px;color:var(--ink-4);text-decoration:line-through;font-family:var(--num);margin-top:8px;}
.plan ul{list-style:none;padding:0;margin:26px 0 0;}
.plan li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);margin-bottom:10px;line-height:1.65;}
.plan li::before{
  content:"✓";position:absolute;left:0;top:0;font-weight:800;color:var(--primary);font-size:13px;
}

/* --- 17. 流程步骤 ----------------------------------------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  position:relative;padding:24px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);
}
.step .n{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:var(--r-sm);background:var(--primary-light);
  font-family:var(--num);font-size:13px;font-weight:700;color:var(--primary);
  margin-bottom:12px;border:1px solid var(--primary-border);
}
.step h3{font-size:15.5px;font-weight:700;margin-bottom:6px;color:var(--ink);}
.step p{font-size:13px;color:var(--ink-3);margin-bottom:0;line-height:1.65;}

/* --- 18. 主体信息 ----------------------------------------- */
.infocard{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);overflow:hidden;
}
.ic-head{
  padding:15px 22px;background:#f8fafc;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
}
.ic-head b{font-size:14.5px;font-weight:700;color:var(--ink);}
.ic-body{padding:6px 22px 14px;}
.ic-body dl{margin:0;}
.ic-body div{
  display:grid;grid-template-columns:140px 1fr;gap:18px;
  padding:12px 0;border-bottom:1px solid var(--line-2);
}
.ic-body div:last-child{border-bottom:0;}
.ic-body dt{font-size:13px;color:var(--ink-3);margin:0;}
.ic-body dd{font-size:13.5px;color:var(--ink);margin:0;font-weight:500;}

/* --- 19. 法律文档页 --------------------------------------- */
.doc{
  display:grid;grid-template-columns:220px minmax(0,720px);
  gap:48px;align-items:start;justify-content:center;
  max-width:1100px;margin:0 auto;
}
.doc .meta{
  grid-column:1/-1;
  font-size:12.5px;color:var(--ink-3);font-family:var(--num);
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:6px;
}
.doc-nav{
  position:sticky;top:calc(var(--head-h) + 24px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:16px;box-shadow:var(--sh-sm);
}
.doc-nav>b{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.08em;margin:0 0 10px 8px;font-weight:700;}
.doc-nav ol{margin:0;padding-left:1.4em;}
.doc-nav li{font-size:13px;margin-bottom:8px;line-height:1.5;}
.doc-nav a{color:var(--ink-2);}
.doc-nav a:hover{color:var(--primary);}
.doc-nav a.on{color:var(--primary);font-weight:700;}
.doc-main{min-width:0;}
.doc-main h1{font-size:26px;margin:0 0 16px;letter-spacing:-.015em;font-weight:800;color:var(--ink);}
.doc-main h2{
  font-size:20px;margin:34px 0 12px;scroll-margin-top:calc(var(--head-h) + 20px);
  padding-top:10px;border-top:1px solid var(--line-2);color:var(--ink);font-weight:700;
}
.doc-main h2:first-of-type{margin-top:0;border-top:0;padding-top:0;}
.doc-main p,.doc-main li{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* --- 20. FAQ ---------------------------------------------- */
.faq{max-width:860px;}
.faq details{
  border:1px solid var(--line);background:#fff;border-radius:var(--r);
  margin-bottom:10px;overflow:hidden;box-shadow:var(--sh-sm);
}
.faq details[open]{border-color:var(--primary-border);}
.faq summary{
  padding:16px 20px;font-size:15px;font-weight:600;cursor:pointer;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"";width:7px;height:7px;flex-shrink:0;
  border-right:1.5px solid var(--ink-3);border-bottom:1.5px solid var(--ink-3);
  transform:rotate(45deg);transition:transform .18s;margin-bottom:3px;
}
.faq details[open] summary::after{transform:rotate(-135deg);margin-bottom:0;}
.faq summary:hover{background:#f8fafc;}
.faq .ans{padding:0 20px 18px;font-size:14px;color:var(--ink-2);border-top:1px solid var(--line-2);padding-top:14px;}
.faq .ans p:last-child{margin-bottom:0;}

/* --- 21. 引导区 ------------------------------------------- */
.cta{
  background:linear-gradient(135deg,#0a2923 0%,#0f5144 50%,#0d9488 100%);color:#fff;
  border-radius:var(--r-xl);padding:48px 52px;box-shadow:var(--sh-3);
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
}
.cta h2{font-size:24px;margin-bottom:8px;color:#fff;font-weight:700;}
.cta p{color:rgba(255,255,255,.9);margin:0;font-size:14.5px;max-width:42em;line-height:1.75;}

/* --- 22. 页脚 --------------------------------------------- */
.foot{
  background:var(--deep);color:rgba(255,255,255,.7);font-size:13px;
  border-top:0;
}
.foot a{color:rgba(255,255,255,.7);}
.foot a:hover{color:#fff;}
.foot-top{
  display:grid;grid-template-columns:1.8fr 1fr 1fr;gap:48px;
  padding:54px 0 40px;
}
.foot h4{font-size:13.5px;color:#fff;margin-bottom:14px;font-weight:700;letter-spacing:.02em;}
.foot ul{list-style:none;padding:0;margin:0;}
.foot li{margin-bottom:9px;}
.foot .fbrand{display:flex;align-items:center;margin-bottom:16px;}
.foot .brand-mark{color:#fff;font-size:18px;font-weight:700;line-height:1.5;white-space:normal;}
.foot .brand-mark::before{background:#2dd4bf;}
.foot .fdesc{font-size:12.5px;line-height:1.85;max-width:34em;margin-bottom:0;color:rgba(255,255,255,.55);}
.foot-info{
  display:grid;grid-template-columns:96px 1fr;gap:24px;align-items:start;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
}
.foot-info h4{margin:2px 0 0;}
.foot-info dl{margin:0;display:flex;flex-wrap:wrap;gap:8px 32px;}
.foot-info dl div{display:flex;gap:7px;font-size:12.5px;}
.foot-info dt{color:rgba(255,255,255,.45);flex-shrink:0;margin:0;}
.foot-info dd{margin:0;color:#fff;}

.foot-bar{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.45);
}
.foot-bar a{color:rgba(255,255,255,.5);}
.foot-bar a:hover{color:#fff;text-decoration:none;}
.foot-bar .lic{display:flex;flex-wrap:wrap;gap:6px 18px;}

/* --- 23. 响应式 ------------------------------------------- */
@media (max-width:1040px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 360px;gap:36px;}
  .foot-top{grid-template-columns:1fr 1fr;gap:36px;}
  .foot-top>div:first-child{grid-column:1/-1;}
}
@media (max-width:900px){
  h1{font-size:30px;}
  h2{font-size:21px;}
  .sect{padding:54px 0;}
  .sect-tight{padding:42px 0;}
  .pagehead{padding:34px 0 32px;}
  .pagehead h1{font-size:27px;}
  .hero-grid{grid-template-columns:1fr;padding:44px 0 48px;gap:32px;}
  .hero h1{font-size:28px;line-height:1.25;}
  .band-grid{grid-template-columns:1fr 1fr;}
  .band-item{padding:20px;}
  .band-item:nth-child(2n+1){border-left:0;padding-left:0;}
  .band-item:nth-child(n+3){border-top:1px solid var(--line);}
  .grid-2,.grid-3,.grid-4,.plans{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr 1fr;gap:18px;}
  .cta{padding:32px 24px;}
  .doc{grid-template-columns:1fr;gap:0;}
  .doc-nav{position:static;margin-bottom:24px;padding:16px 20px;}
  .doc-nav ol{columns:2;column-gap:24px;}
  .head-act{display:none;}
  .navtoggle{display:grid;margin-left:auto;}
  .nav .m-only{display:flex;}
  .nav{
    display:none;position:absolute;top:var(--head-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;height:auto;
    background:#fff;box-shadow:var(--sh-2);
    border-bottom:1px solid var(--line);padding:8px var(--gut) 16px;
  }
  .nav.open{display:flex;}
  .nav a{padding:10px 8px;height:auto;color:var(--ink);border-radius:var(--r-sm);}
  .nav a:hover{background:var(--surface-2);}
  .nav a[aria-current="page"]{background:var(--primary-light);color:var(--primary);}
}
@media (max-width:600px){
  :root{--gut:16px;--head-h:64px;}
  .brand-mark{font-size:15px;}
  h1{font-size:25px;}
  .hero h1{font-size:26px;}
  .topline .wrap>:first-child{display:none;}
  .topline .wrap{justify-content:flex-end;}
  .band-grid{grid-template-columns:1fr;}
  .band-item{border-left:0;padding-left:0;}
  .band-item+.band-item{border-top:1px solid var(--line);}
  .formcard{padding:22px 16px;}
  .steps{grid-template-columns:1fr;}
  .ic-body div{grid-template-columns:1fr;gap:4px;}
  .foot-top{grid-template-columns:1fr;gap:24px;}
  .foot-info{grid-template-columns:1fr;gap:8px;}
  .foot-info dl{flex-direction:column;gap:6px;}
  .plan,.card{padding:22px 18px;}
  .cta{padding:28px 20px;}
}