/* ============================================================
   找无人机 zhaowurenji.com — 全站样式 V3（天蓝色 · 高级感）
   版心 1380px · 移动端自适应 · CSS 变量驱动
   ============================================================ */
:root{
  /* 品牌色 */
  --sky-50:#f0f9ff; --sky-100:#e0f2fe; --sky-200:#bae6fd; --sky-300:#7dd3fc;
  --sky-400:#38bdf8; --sky-500:#0ea5e9; --sky-600:#0284c7; --sky-700:#0369a1;
  --sky-800:#075985; --sky-900:#0c4a6e;
  --brand:var(--sky-500); --brand-deep:var(--sky-700);
  --ink:#0b1526; --ink-2:#334155; --ink-3:#64748b; --line:#e2e8f0;
  --bg:#f6fafd; --card:#ffffff;
  --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
  --grad-hero:linear-gradient(135deg,#0c4a6e 0%,#0369a1 45%,#0ea5e9 100%);
  --grad-btn:linear-gradient(135deg,#38bdf8,#0284c7);
  --shadow-sm:0 1px 2px rgba(11,21,38,.05),0 2px 8px rgba(2,132,199,.06);
  --shadow-md:0 4px 16px rgba(2,132,199,.10),0 2px 6px rgba(11,21,38,.05);
  --shadow-lg:0 16px 48px rgba(2,132,199,.16),0 4px 14px rgba(11,21,38,.06);
  --r-sm:10px; --r-md:16px; --r-lg:22px;
  --wrap:1380px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--sky-700);text-decoration:none;transition:color .18s}
a:hover{color:var(--sky-500)}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:.6em 0}
ul,ol{padding-left:1.4em;margin:.6em 0}
li{margin:.3em 0}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}
code{font-family:var(--mono);font-size:.86em;background:var(--sky-50);color:var(--sky-800);padding:.15em .45em;border-radius:6px}
pre{background:#0c1a2b;color:#dbeafe;padding:20px 22px;border-radius:var(--r-md);overflow-x:auto;font-size:13px;line-height:1.7}
pre code{background:none;color:inherit;padding:0}
strong{font-weight:650;color:var(--ink)}
::selection{background:var(--sky-200)}

/* ---------- 布局 ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.wrap-narrow{max-width:960px;margin:0 auto;padding:0 32px}
.section{padding:32px 0}
.section-tight{padding:32px 0}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:8px 14px;border-radius:8px}
main{min-height:55vh;padding-bottom:8px}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(2,132,199,.10);
}
.head-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo img{height:44px;width:auto}
.logo img.mark{height:42px}
.nav{display:flex;align-items:center;gap:2px;flex:1}
.nav>div{position:relative}
.nav .top-link{
  display:flex;align-items:center;gap:5px;padding:9px 14px;border-radius:10px;
  color:var(--ink-2);font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap;
}
.nav .top-link:hover,.nav .top-link.on{background:var(--sky-50);color:var(--sky-700)}
.nav .top-link .caret{font-size:10px;opacity:.55;transform:translateY(1px)}
.dropdown{
  position:absolute;top:calc(100% + 8px);left:0;min-width:230px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:all .18s ease;
}
.nav>div:hover .dropdown,.nav>div:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:9px 14px;border-radius:9px;color:var(--ink-2);font-size:14.5px}
.dropdown a:hover{background:var(--sky-50);color:var(--sky-700)}
.dropdown a small{display:block;color:var(--ink-3);font-size:12px;font-weight:400}
.head-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger svg{display:block}

/* 移动端抽屉 */
.m-drawer{display:none}
@media (max-width:1080px){
  .head-inner{height:64px}
  .logo img{height:36px}
  .nav{display:none}
  .burger{display:block}
  .head-actions .btn{display:none}
  .m-drawer{
    display:block;position:fixed;inset:64px 0 0;background:#fff;z-index:49;
    overflow-y:auto;padding:18px 20px 60px;transform:translateX(100%);transition:transform .25s ease;
  }
  .m-drawer.open{transform:translateX(0)}
  .m-group{border-bottom:1px solid var(--line);padding:6px 0}
  .m-group>b{display:block;padding:12px 4px 6px;color:var(--ink-3);font-size:13px;letter-spacing:.06em}
  .m-group a{display:block;padding:10px 8px;color:var(--ink);font-weight:600;font-size:16px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad-btn);color:#fff;font-weight:650;font-size:15.5px;
  padding:13px 26px;border-radius:12px;border:0;cursor:pointer;
  box-shadow:0 6px 18px rgba(2,132,199,.30);transition:all .18s;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(2,132,199,.38);color:#fff}
.btn-lg{padding:16px 34px;font-size:17px;border-radius:14px}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px;box-shadow:none}
.btn-ghost{background:#fff;color:var(--sky-700);border:1.5px solid var(--sky-200);box-shadow:none}
.btn-ghost:hover{border-color:var(--sky-400);background:var(--sky-50);color:var(--sky-800)}
.btn-line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);box-shadow:none}
.btn-line:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- Hero ---------- */
.hero{
  background:var(--grad-hero);color:#fff;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(700px 340px at 85% -10%,rgba(125,211,252,.35),transparent 60%),
    radial-gradient(560px 300px at 8% 110%,rgba(14,165,233,.35),transparent 60%);
}
.hero .wrap{position:relative;z-index:1;padding-top:76px;padding-bottom:76px}
.hero h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.02em;margin-bottom:14px;color:#fff}
.hero .sub{font-size:clamp(15px,1.6vw,19px);color:var(--sky-100);max-width:720px}
.hero .crumb{font-size:13.5px;color:var(--sky-200);margin-bottom:18px}
.hero .crumb a{color:var(--sky-200)}
.hero .crumb a:hover{color:#fff}
.hero-plain{padding-top:52px;padding-bottom:52px}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow-sm);transition:all .2s ease;position:relative;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--sky-200)}
a.card{display:block;color:inherit}
a.card:hover{color:inherit}
.card h3{font-size:17.5px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--ink-3);margin:0}
.card .tag{
  display:inline-block;font-size:12px;font-weight:650;color:var(--sky-700);
  background:var(--sky-50);border:1px solid var(--sky-100);border-radius:999px;padding:2px 11px;margin-bottom:12px;
}
.card .go{position:absolute;top:22px;right:22px;color:var(--sky-300);font-weight:700;transition:transform .2s}
a.card:hover .go{transform:translateX(3px);color:var(--sky-500)}

/* 图标圆片 */
.ico{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--sky-100),var(--sky-50));color:var(--sky-600);
  font-size:22px;margin-bottom:16px;border:1px solid var(--sky-100);
}

/* ---------- 区块标题 ---------- */
.sec-head{margin-bottom:34px}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--sky-600);
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px;
}
.sec-head .kicker::before{content:"";width:22px;height:2px;background:var(--sky-400);border-radius:2px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px)}
.sec-head p{color:var(--ink-3);max-width:760px;margin:0}
.sec-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;box-shadow:var(--shadow-sm)}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th,td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--sky-50);color:var(--sky-900);font-weight:650;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafdff}
td .pill{font-size:12.5px;font-weight:650;border-radius:999px;padding:2px 10px;white-space:nowrap}
.pill-ok{background:#f0fdf4;color:#15803d}
.pill-warn{background:#fffbeb;color:#b45309}
.pill-bad{background:#fef2f2;color:#b91c1c}
.pill-sky{background:var(--sky-50);color:var(--sky-700)}

/* ---------- 提示条 / 徽章 ---------- */
.note{
  display:flex;gap:12px;background:var(--sky-50);border:1px solid var(--sky-100);
  border-radius:var(--r-md);padding:16px 20px;font-size:14.5px;color:var(--ink-2);
}
.note b{color:var(--sky-800)}
.note.warn{background:#fffbeb;border-color:#fde68a}
.note.warn b{color:#92400e}
.kbadge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:650;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff;
  border-radius:999px;padding:4px 14px;
}

/* ---------- 表单 ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-weight:650;font-size:14.5px;margin-bottom:7px;color:var(--ink-2)}
.field label em{color:var(--bad);font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:11px;
  font:inherit;font-size:15px;background:#fff;color:var(--ink);transition:border .15s,box-shadow .15s;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--sky-400);box-shadow:0 0 0 4px rgba(14,165,233,.14);
}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-md);padding:34px}
.form-msg{margin-top:14px;font-size:14.5px;border-radius:10px;padding:12px 16px;display:none}
.form-msg.ok{display:block;background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}
.form-msg.err{display:block;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}

/* ---------- FAQ ---------- */
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:17px 22px;font-weight:650;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--sky-400);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-a{padding:0 22px 18px;color:var(--ink-3);font-size:14.5px}

/* ---------- 面包屑（页内） ---------- */
.crumbs{font-size:13.5px;color:var(--ink-3);padding:18px 0 0}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--sky-600)}

/* ---------- 统计数字 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-md);padding:22px;backdrop-filter:blur(6px)}
.stat b{display:block;font-size:clamp(24px,2.6vw,34px);color:#fff;letter-spacing:-.02em}
.stat span{font-size:13.5px;color:var(--sky-100)}

/* ---------- 页脚 ---------- */
.site-foot{background:#0c1a2b;color:#94a3b8;margin-top:24px}
.foot-inner{display:grid;grid-template-columns:1.3fr 2fr;gap:48px;padding:56px 32px 40px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.foot-brand img{height:38px;background:#fff;border-radius:9px;padding:5px}
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.site-foot h4{color:#e2e8f0;font-size:14px;letter-spacing:.08em;margin-bottom:14px}
.site-foot a{display:block;color:#94a3b8;font-size:13.5px;padding:4px 0}
.site-foot a:hover{color:#7dd3fc}
.legal{border-top:1px solid rgba(148,163,184,.16);padding:20px 32px;display:flex;gap:20px;flex-wrap:wrap;font-size:12.5px;color:#64748b}

/* ---------- 长文排版 ---------- */
.prose{max-width:860px}
.prose h2{font-size:24px;margin:40px 0 14px;padding-left:14px;border-left:4px solid var(--sky-400)}
.prose h3{font-size:18.5px;margin:28px 0 10px}
.prose blockquote{margin:18px 0;padding:14px 20px;background:var(--sky-50);border-left:4px solid var(--sky-300);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2)}
.prose table{font-size:14px}

/* ---------- 杂项 ---------- */
.muted{color:var(--ink-3)}
.small{font-size:13.5px}
.pill-list{display:flex;flex-wrap:wrap;gap:10px}
.pill-list a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 18px;font-size:14px;color:var(--ink-2);transition:all .15s}
.pill-list a:hover{border-color:var(--sky-400);color:var(--sky-700);background:var(--sky-50)}
.divider-dot{color:var(--sky-300)}
.cta-band{
  background:var(--grad-hero);border-radius:var(--r-lg);color:#fff;text-align:center;
  padding:56px 32px;position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 240px at 80% 0%,rgba(125,211,252,.35),transparent 60%)}
.cta-band>*{position:relative}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-band p{color:var(--sky-100)}
.status-tag{display:inline-block;font-size:12.5px;font-weight:700;border-radius:8px;padding:3px 10px}
.st-ok{background:#f0fdf4;color:#16a34a}
.st-warn{background:#fffbeb;color:#d97706}
.st-bad{background:#fef2f2;color:#dc2626}
.st-free{background:var(--sky-50);color:var(--sky-700)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .wrap,.wrap-narrow{padding:0 20px}
  .g2,.g3{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr}
  .section{padding:40px 0}
  .hero .wrap{padding-top:52px;padding-bottom:52px}
  .foot-inner{grid-template-columns:1fr;gap:30px;padding:40px 20px 30px}
  .foot-cols{grid-template-columns:repeat(2,1fr)}
  .legal{padding:18px 20px}
  .form-card{padding:24px 20px}
  .stats{grid-template-columns:repeat(2,1fr)}
}

/* ============================================================
   门户化改造 V3.1：紧凑头部 / 广告位 / 占位图 / 列表流
   ============================================================ */

/* ---------- 双排头部 ---------- */
.topbar{background:var(--grad-hero);color:#fff;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:32px}
.topbar a{color:var(--sky-100)}
.topbar a:hover{color:#fff}
.head-search{display:flex;align-items:center;gap:14px;flex:1;max-width:560px;margin:0 24px}
.head-search input{
  flex:1;height:40px;border:2px solid var(--sky-200);border-radius:10px 0 0 10px;
  padding:0 14px;font-size:14px;outline:none;background:#fff;color:var(--ink);
}
.head-search input:focus{border-color:var(--sky-400)}
.head-search button{
  height:40px;padding:0 20px;border:0;border-radius:0 10px 10px 0;
  background:var(--grad-btn);color:#fff;font-weight:650;cursor:pointer;font-size:14px;
}
.head-search .hot{font-size:12px;color:var(--ink-3);white-space:nowrap}
.head-search .hot a{color:var(--sky-600)}
.head-main{background:#fff;border-bottom:2px solid var(--sky-500)}
.head-main .wrap{display:flex;align-items:center;gap:18px;height:58px}
.nav-flat{display:flex;align-items:center;gap:0;flex:1;overflow-x:auto;scrollbar-width:none}
.nav-flat::-webkit-scrollbar{display:none}
.nav-flat a{
  padding:8px 18px;border-radius:8px;color:var(--ink-2);font-weight:600;font-size:15px;white-space:nowrap;
}
.nav-flat a:hover{background:var(--sky-50);color:var(--sky-700)}
.nav-flat a.on{background:var(--sky-500);color:#fff}
.nav-flat a.hot::after{content:"HOT";font-size:9px;color:#fff;background:var(--bad);border-radius:4px;padding:1px 4px;margin-left:4px;vertical-align:2px}

/* ---------- 紧凑 Hero ---------- */
.hero-compact{padding:0;background:var(--grad-hero);color:#fff;position:relative;overflow:hidden}
.hero-compact::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 85% -20%,rgba(125,211,252,.35),transparent 60%)}
.hero-compact .wrap{position:relative;z-index:1;padding:26px 32px}
.hero-compact h1{font-size:clamp(20px,2.4vw,28px);margin:0 0 6px;color:#fff}
.hero-compact .sub{font-size:14px;color:var(--sky-100);margin:0;max-width:none}
.hero-compact .crumb{font-size:12.5px;color:var(--sky-200);margin-bottom:8px}
.hero-compact .crumb a{color:var(--sky-200)}
.hero-mini .wrap{padding:16px 32px}

/* 旧 hero 覆盖为紧凑高度 */
.hero .wrap{padding-top:34px;padding-bottom:34px}
.hero h1{font-size:clamp(20px,2.6vw,30px)}
.hero .sub{font-size:14.5px}
.hero .stats{margin-top:18px;gap:12px}
.hero .stat{padding:12px 16px}
.hero .stat b{font-size:20px}

/* ---------- 广告位 ---------- */
.ad{
  display:flex;align-items:center;justify-content:center;gap:14px;
  background:linear-gradient(135deg,var(--sky-50),#fff);border:1px dashed var(--sky-300);
  border-radius:var(--r-md);color:var(--ink-3);font-size:13.5px;padding:18px 22px;
  position:relative;min-height:74px;
}
.ad::before{
  content:"广告";position:absolute;top:8px;right:10px;font-size:10px;color:var(--sky-400);
  border:1px solid var(--sky-300);border-radius:4px;padding:0 5px;letter-spacing:2px;
}
.ad .ad-cta{color:var(--sky-700);font-weight:650}
.ad-lg{min-height:110px}

/* ---------- 占位图 ---------- */
.ph{
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;
  background:linear-gradient(135deg,var(--sky-100),var(--sky-200));
  color:var(--sky-700);font-weight:650;font-size:13px;border-radius:10px;
  width:100%;aspect-ratio:4/3;
}
.ph.wide{aspect-ratio:16/9}
.ph .ph-ico{font-size:26px;opacity:.7}

/* ---------- 列表流（门户密度） ---------- */
.list-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.list-head{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:2px solid var(--sky-500);background:var(--sky-50)}
.list-head h3{margin:0;font-size:16.5px;display:flex;align-items:center;gap:8px}
.list-head h3::before{content:"";width:4px;height:16px;background:var(--sky-500);border-radius:2px}
.list-head a{font-size:13px}
.rowlist{padding:6px 0}
.rowlist a.row{
  display:flex;align-items:center;gap:12px;padding:11px 20px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);font-size:14.5px;
}
.rowlist a.row:last-child{border-bottom:0}
.rowlist a.row:hover{background:var(--sky-50);color:var(--sky-800)}
.rowlist .row-t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rowlist .row-m{color:var(--ink-3);font-size:12.5px;white-space:nowrap}
.dot{width:5px;height:5px;border-radius:50%;background:var(--sky-400);flex-shrink:0}
.tagmini{font-size:11px;color:var(--sky-700);background:var(--sky-50);border-radius:4px;padding:1px 7px;white-space:nowrap}

/* 数据网格卡（用于机型/ listing 卡片） */
.item-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:all .2s}
.item-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--sky-200)}
.item-card .item-body{padding:14px 16px}
.item-card h4{margin:0 0 4px;font-size:15px}
.item-card .item-meta{font-size:12.5px;color:var(--ink-3)}
.item-card .item-price{color:var(--bad);font-weight:700;font-size:16px}

/* 首页门户网格 */
.portal-grid{display:grid;grid-template-columns:2fr 1fr;gap:22px}
.home-hero{display:grid;grid-template-columns:1.6fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.hh-left{border-right:1px solid var(--line)}
@media (max-width:1080px){
  .head-search{display:none}
  .portal-grid{grid-template-columns:1fr}
  .home-hero{grid-template-columns:1fr}
  .hh-left{border-right:0;border-bottom:1px solid var(--line)}
  .hero-compact .wrap{padding:20px}
}

/* 首页 hero 双栏 → 移动端单栏 */
.hh-grid{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.hh-stats{grid-template-columns:repeat(2,1fr);max-width:340px}
@media (max-width:1080px){
  .hh-grid{grid-template-columns:1fr}
  .hh-stats{max-width:none;grid-template-columns:repeat(4,1fr)}
}
@media (max-width:640px){
  .hh-stats{grid-template-columns:repeat(2,1fr)}
}

/* ---------- V3.2 移动端错乱修复 ---------- */
@media (max-width:820px){
  /* 顶部服务条：单行不换行，窄屏只保留左侧提示 */
  .topbar .wrap{height:auto;min-height:30px;padding:5px 16px;gap:10px}
  .topbar span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar span:last-child{white-space:nowrap;flex-shrink:0}
}
@media (max-width:640px){
  .topbar{font-size:11.5px}
  .topbar span:first-child{flex:1;min-width:0}
  /* 广告位：左侧对齐 + 右侧留出角标空间，避免文字与「广告」重叠 */
  .ad{justify-content:flex-start;flex-wrap:wrap;gap:8px;font-size:12.5px;padding:14px 14px;padding-right:46px;text-align:left}
  .ad span:nth-child(2){flex:1;min-width:0}
  .ad .ad-cta{white-space:nowrap}
  /* 快捷入口 8 列太挤 → 手机 4 列 */
  .portal-quick{grid-template-columns:repeat(4,1fr)!important}
}
/* 导航激活项滚动到可视区 */
.nav-flat{scroll-behavior:smooth}

/* ---------- V3.3 间距统一与导航留白 ---------- */
/* 全站区块统一节奏：32px 上下，移动端 22px */
.section,.section-tight{padding:32px 0}
.section:first-of-type{padding-top:28px}
@media (max-width:640px){
  .section,.section-tight{padding:22px 0}
  .hero-compact .wrap{padding:18px 16px}
}
/* 头部导航与顶栏左右留白加大 */
.nav-flat{gap:2px}
.head-main .wrap{padding-top:4px;padding-bottom:4px}
.topbar .wrap{padding-left:22px;padding-right:22px}
.wrap{padding-left:24px;padding-right:24px}
@media (min-width:1440px){.wrap{padding-left:30px;padding-right:30px}}

/* ============================================================
   V3.4 创意 Banner / 广告图片 / 搜索条美化 / 质感升级
   ============================================================ */

/* ---------- 去掉 banner 与栏目行之间的白线 ---------- */
.site-head{border-bottom:0}

/* ---------- 头部搜索条：无缝拼接 + 质感 ---------- */
.head-search{gap:0;max-width:520px}
.head-search input{
  height:42px;border:2px solid var(--sky-200);border-right:0;
  border-radius:10px 0 0 10px;padding:0 16px;font-size:14px;
  box-shadow:inset 0 1px 3px rgba(2,132,199,.06);transition:border-color .2s,box-shadow .2s;
}
.head-search input:focus{border-color:var(--sky-500);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.head-search button{height:42px;padding:0 26px;letter-spacing:2px}

/* ---------- 创意 Banner ---------- */
.hero-compact{padding:0 0 46px}
.hero-compact .wrap{padding-top:30px;padding-bottom:0}
.hero-flex{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center}
.hero-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#e0f2fe;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  border-radius:999px;padding:4px 14px;margin-bottom:14px;backdrop-filter:blur(4px);
}
.hero-compact h1{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin:0 0 8px}
.hero-compact h1 em{font-style:normal;color:#bae6fd}
.hero-compact .sub{font-size:14.5px}
.hero-search{display:flex;max-width:640px;margin-top:18px;border-radius:12px;overflow:hidden;box-shadow:0 10px 30px rgba(2,48,71,.25)}
.hero-search input{flex:1;height:48px;border:0;padding:0 18px;font-size:15px;outline:none}
.hero-search button{height:48px;padding:0 30px;border:0;background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#78350f;font-weight:700;font-size:15.5px;cursor:pointer;letter-spacing:2px}
.hero-search button:hover{filter:brightness(1.06)}
.hero-tags{margin-top:12px;font-size:12.5px;color:var(--sky-200)}
.hero-tags a{color:#e0f2fe;margin-right:10px;border-bottom:1px dashed rgba(255,255,255,.4);padding-bottom:1px}
.hero-tags a:hover{color:#fff;border-color:#fff}

/* 右侧插画 + 悬浮卡 */
.hero-art{position:relative;min-height:250px}
.hero-drone{width:100%;max-width:400px;display:block;filter:drop-shadow(0 18px 28px rgba(2,48,71,.35))}
.prop{animation:spin 1.1s linear infinite}
.prop-b{animation-direction:reverse}
.prop-c{animation-duration:1.4s}
.prop-d{animation-duration:1.4s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.drone-body{animation:float 4.5s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-float{
  position:absolute;display:flex;flex-direction:column;gap:2px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(6px);
  border-radius:14px;padding:10px 16px;box-shadow:0 8px 22px rgba(2,48,71,.22);
  animation:float 5.5s ease-in-out infinite;
}
.hero-float b{font-size:18px;color:var(--sky-800);line-height:1.1}
.hero-float span{font-size:11.5px;color:var(--ink-3);white-space:nowrap}
.hero-float.f1{top:6px;left:-6px}
.hero-float.f2{top:34px;right:-4px;animation-delay:.8s}
.hero-float.f3{bottom:0;left:8px;animation-delay:1.6s}
.hero-float.f4{bottom:26px;right:16px;animation-delay:2.4s}

/* ---------- 广告图片位 ---------- */
.ad-img{display:block;border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .2s,transform .2s}
.ad-img:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.ad-img img{display:block;width:100%;height:auto}
.ad-img.sq{max-width:420px;margin:0 auto}
@media (max-width:1080px){
  .hero-flex{grid-template-columns:1fr;gap:10px}
  .hero-art{display:none}
  .hero-compact{padding-bottom:36px}
}

/* ---------- 整站质感微调 ---------- */
.site-head{box-shadow:0 2px 14px rgba(2,48,71,.06)}
.list-card{box-shadow:var(--shadow-sm)}
.list-card:hover{box-shadow:var(--shadow-md)}
.card{transition:all .2s}
.sec-head h2{letter-spacing:.5px}
.btn{letter-spacing:1px}

/* ---------- V3.5 推荐图文 / 高度对齐 / 间距收紧 ---------- */
/* 区块间距统一收紧为 24px */
.section,.section-tight{padding:24px 0}
@media (max-width:640px){.section,.section-tight{padding:18px 0}}

/* 门户网格内卡片等高对齐 */
.portal-grid{gap:16px;align-items:stretch}
.portal-grid .list-card{height:100%}
.portal-grid > div{min-width:0}
.rowlist a.row{padding:9px 20px}
.portal-grid > div{gap:16px}

/* 编辑推荐（图文） */
.feat-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;margin-top:14px}
.feat-main,.feat-item{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:all .2s}
.feat-main:hover,.feat-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--sky-200)}
.feat-body{padding:16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.feat-main h3{margin:0;font-size:19px;line-height:1.4;color:var(--ink)}
.feat-item h4{margin:0;font-size:15.5px;line-height:1.45;color:var(--ink)}
.feat-main p,.feat-item p{margin:0;font-size:13.5px;color:var(--ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feat-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3)}
.feat-side{display:flex;flex-direction:column;gap:16px}
.feat-side .feat-item{flex:1;flex-direction:row}
.feat-side .feat-item .ph{width:132px;aspect-ratio:auto;align-self:stretch;border-radius:0;flex-shrink:0}
.feat-side .feat-item .ph span{display:none}
.feat-side .feat-item .ph .ph-ico{font-size:30px}
@media (max-width:820px){
  .feat-grid{grid-template-columns:1fr}
  .feat-side .feat-item{flex-direction:row}
}

/* ---------- V3.7 行业推荐新布局 ---------- */
.feat-side .feat-item{flex-direction:row;align-items:flex-start;gap:14px;padding:16px 18px}
.feat-side .feat-item .ph{display:none}
.feat-ico{
  width:46px;height:46px;flex-shrink:0;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--sky-100),var(--sky-200));font-size:22px;
}
.feat-side .feat-item .feat-body{padding:0;gap:6px}
.feat-side .feat-item h4{font-size:15.5px}
.feat-side .feat-item p{font-size:13px;-webkit-line-clamp:2}

/* ---------- V3.8 行业推荐：横向图文列表 ---------- */
.feat-list{display:flex;flex-direction:column;gap:14px;margin-top:14px}
.feat-row{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px;transition:all .2s}
.feat-row:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--sky-200)}
.feat-thumb{width:220px;flex-shrink:0;border-radius:10px;overflow:hidden}
.feat-thumb .ph{aspect-ratio:16/10;border-radius:0;font-size:12.5px}
.feat-thumb .ph-ico{font-size:30px}
.feat-row .feat-body{padding:4px 6px 0 0;display:flex;flex-direction:column;gap:8px}
.feat-row h3{margin:0;font-size:17.5px;line-height:1.4;color:var(--ink)}
.feat-row p{margin:0;font-size:13.5px;color:var(--ink-3);line-height:1.75}
.feat-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3)}
.feat-grid,.feat-main,.feat-side{all:unset}
.feat-grid{display:none}
@media (max-width:820px){
  .feat-row{flex-direction:column;gap:10px}
  .feat-thumb{width:100%}
}

/* ---------- V3.9 行业推荐：左大图 + 右图文列表 ---------- */
.feat-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:14px;margin-top:14px}
.feat-main{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:all .2s}
.feat-main:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--sky-200)}
.feat-main .feat-body{padding:16px 20px;gap:8px}
.feat-main h3{margin:0;font-size:19px;line-height:1.4;color:var(--ink)}
.feat-main p{margin:0;font-size:13.5px;color:var(--ink-3);line-height:1.75}
.feat-main .feat-meta{margin-top:6px}
.feat-side{display:flex;flex-direction:column;gap:14px}
.feat-side .feat-row{flex:1;gap:14px;padding:12px;align-items:center}
.feat-side .feat-thumb{width:120px}
.feat-side .feat-thumb .ph{aspect-ratio:4/3;font-size:11.5px}
.feat-side .feat-thumb .ph-ico{font-size:24px}
.feat-side .feat-row h4{margin:0;font-size:15px;line-height:1.45;color:var(--ink)}
.feat-side .feat-row .feat-body{padding:0;gap:6px}
@media (max-width:820px){.feat-grid{grid-template-columns:1fr}}
/* V3.10 侧列 5 条：压缩行距容纳摘要 */
.feat-side .feat-row{padding:10px 12px;gap:12px}
.feat-side .feat-thumb{width:96px}
.feat-side .feat-thumb .ph{aspect-ratio:4/3}
.feat-side .feat-row h4{font-size:14.5px}
.feat-side .feat-row p{margin:0;font-size:12.5px;color:var(--ink-3);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* V3.11 左卡摘要放开 3 行 */
.feat-main p{-webkit-line-clamp:0;display:block;font-size:14px}

/* ---------- V3.12 商机中心/机构滚动/证书表 ---------- */
/* CAAC 表格 */
.caac-table th,.caac-table td{padding:9px 10px;font-size:13px}
.caac-table .btn{white-space:nowrap;padding:5px 12px;font-size:12.5px}
/* 机构推荐滚动区 */
.scroll-list{height:168px;overflow:hidden;position:relative}
.scroll-inner{display:flex;flex-direction:column;animation:feedScroll 22s linear infinite}
.scroll-list:hover .scroll-inner{animation-play-state:paused}
@keyframes feedScroll{to{transform:translateY(-50%)}}
.scroll-list .row{border-bottom:1px dashed var(--line)}
/* 商机选项卡 */
.biz-tabs{display:flex;gap:4px;flex:1}
.biz-tab{border:0;background:transparent;padding:8px 16px;font-size:14.5px;font-weight:650;color:var(--ink-3);cursor:pointer;border-radius:8px 8px 0 0;border-bottom:2.5px solid transparent}
.biz-tab.on{color:var(--sky-700);border-bottom-color:var(--sky-500);background:var(--sky-50)}
.biz-tabs-head{padding:8px 14px 0}
/* 商机发布卡 */
.biz-post{background:linear-gradient(160deg,var(--sky-700),var(--sky-500));color:#fff;border-radius:var(--r-md);padding:24px 22px;display:flex;flex-direction:column;box-shadow:var(--shadow-md)}
.biz-post h3{margin:0 0 12px;font-size:18px;color:#fff}
.biz-post ol{margin:0 0 16px;padding-left:18px;display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:var(--sky-50);line-height:1.6}
.biz-post .btn{background:#fff;color:var(--sky-700);display:flex}
.grid.g2{grid-template-columns:1fr 1fr}
@media (max-width:820px){.grid.g2{grid-template-columns:1fr}.scroll-list{height:140px}}

/* ---------- V3.13 滚动机构排版修复 ---------- */
.scroll-list .row{display:flex;align-items:center;gap:10px;padding:10px 20px;white-space:nowrap}
.scroll-list .row-t{overflow:hidden;text-overflow:ellipsis;min-width:0}
.scroll-list .tagmini{margin-left:auto;flex-shrink:0}
.cert-table-scroll th,.cert-table-scroll td{white-space:nowrap}

/* ---------- V3.14 滚动区 3 条一组 + 深色入驻按钮 ---------- */
.scroll-list{height:129px} /* 3 行 × 43px */
.scroll-list .row{height:40px;box-sizing:border-box}
.scroll-inner{transition:transform .5s}
.btn-dark{background:var(--sky-700);color:#fff}
.btn-dark:hover{background:var(--sky-800)}

/* ---------- V3.15 证书表/滚动区调整 ---------- */
/* 表格垂直居中 + 降行高 */
.caac-table th,.caac-table td{vertical-align:middle!important;padding:7px 10px}
.caac-table tbody tr{height:auto}
.caac-table .btn{padding:4px 12px}
.caac-table a{color:var(--sky-700)}
.org-link{font-weight:650}
/* 分割条：5px 圆角蓝色渐变 */
.cert-divider{height:5px;border-radius:3px;background:linear-gradient(90deg,var(--sky-600),var(--sky-300));margin:0 16px}
/* 不间断滚动 */
.scroll-list{height:120px}
.scroll-inner{animation:feedScroll 26s linear infinite;transition:none!important}
.scroll-list:hover .scroll-inner{animation-play-state:paused}
@keyframes feedScroll{to{transform:translateY(-50%)}}
/* 左右卡等高、底部对齐 */
.portal-grid{align-items:stretch}



/* V3.16 证书卡固定行 40px */
.cert-card .rowlist a.row{padding:9px 20px;height:40px;box-sizing:border-box}
.caac-table th{padding:8px 10px}
.caac-table td{padding:6px 10px}

/* ---------- V3.17 头部城市选择 / 细节调整 ---------- */
/* 分割条上下留距 */
.cert-divider{margin:10px 16px}
/* 帮我推荐按钮白字 */
.rec-btn{background:var(--sky-500);color:#fff!important;font-weight:650}
.rec-btn:hover{background:var(--sky-600)}
/* 头部城市选择 */
.head-city-row{display:flex;align-items:center}
.city-sel{position:relative;margin-left:14px}
.city-sel summary{list-style:none;cursor:pointer;font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:6px;white-space:nowrap;padding:8px 10px;border-radius:9px;border:1px solid transparent}
.city-sel summary::-webkit-details-marker{display:none}
.city-sel summary:hover{background:var(--sky-50)}
.city-sel summary b{color:var(--sky-700);font-size:14px}
.city-sel .caret{font-size:11.5px;color:var(--ink-3)}
.city-menu{position:absolute;top:calc(100% + 6px);left:0;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-md);padding:8px;min-width:160px;z-index:60;display:flex;flex-direction:column}
.city-menu a{padding:8px 12px;border-radius:8px;font-size:13.5px;color:var(--ink-2)}
.city-menu a:hover{background:var(--sky-50);color:var(--sky-700)}
/* 搜索框靠右 */
.head-search{margin-left:auto;margin-right:16px}

/* ---------- V3.18 城市选择：两行显示 ---------- */
.city-sel summary{flex-direction:column;align-items:flex-start;gap:1px;line-height:1.25;padding:6px 10px}
.city-sel .cs-top{display:block;font-size:12px;color:var(--ink-3);white-space:nowrap}
.city-sel .cs-top b{color:var(--sky-700);font-size:13.5px}
.city-sel .cs-sub{display:block;font-size:11.5px;color:var(--sky-600);white-space:nowrap}

/* ---------- V3.19 城市区分竖线 + 切换按钮 ---------- */
.city-sel{border-left:1.5px solid var(--line);padding-left:16px;margin-left:16px}
.city-sel summary{padding:2px 0;background:none!important}
.city-sel .cs-sub{margin-top:5px;background:var(--sky-50);color:var(--sky-700);border-radius:999px;padding:3px 12px;font-size:11.5px;font-weight:600;align-self:flex-start;border:1px solid var(--sky-200)}
.city-sel .cs-sub:hover{background:var(--sky-100)}

/* ---------- V3.20 行业推荐右侧 5 条紧凑排布 ---------- */
.feat-side{gap:10px}
.feat-side .feat-row{padding:8px 12px;gap:12px;align-items:flex-start}
.feat-side .feat-ico,.feat-side .feat-thumb{width:64px;flex-shrink:0}
.feat-side .feat-thumb .ph{aspect-ratio:1;height:64px;border-radius:10px}
.feat-side .feat-thumb .ph .ph-ico{font-size:20px}
.feat-side .feat-thumb .ph span:last-child{display:none}
.feat-side .feat-row h4{font-size:14px;margin:0 0 3px}
.feat-side .feat-row p{font-size:12px;line-height:1.55;-webkit-line-clamp:2}
.feat-side .feat-row .feat-meta{margin-top:4px}

/* ---------- V3.21 侧列摘要单行 ---------- */
.feat-side .feat-row p{-webkit-line-clamp:1;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}

/* ---------- V3.22 左卡大图铺满（16:9 比例，与右侧等高） ---------- */
.feat-main{display:flex;flex-direction:column}
.feat-main > .ph{aspect-ratio:16/9;flex:1;border-radius:0;min-height:0}
.feat-main .feat-body{flex:0 0 auto}

/* ---------- V3.23 右列缩略图 16:9 且与内容等高 ---------- */
.feat-side .feat-row{align-items:stretch}
.feat-side .feat-thumb,.feat-side .feat-ico{width:104px;flex-shrink:0;align-self:stretch}
.feat-side .feat-thumb .ph{height:100%;aspect-ratio:auto;min-height:100%;border-radius:10px}
.feat-side .feat-thumb .ph .ph-ico{font-size:22px}
.feat-side .feat-row .feat-body{justify-content:center}

/* ---------- V3.24 列表行左右留距（全站统一） ---------- */
.rowlist a.row{padding-left:24px;padding-right:24px}
.list-head{padding-left:24px;padding-right:24px}
.scroll-list .row{padding-left:24px;padding-right:24px}
.feat-row{padding-left:4px}
.list-card{padding:0}
.list-head h3{margin-left:0}
.cert-card .rowlist a.row{padding-left:24px;padding-right:24px}

/* ---------- V3.25 分隔虚线不顶头（左右内缩） ---------- */
.rowlist a.row{border-bottom:0;position:relative}
.rowlist a.row:not(:last-child)::after{
  content:"";position:absolute;left:24px;right:24px;bottom:0;height:0;
  border-bottom:1px dashed var(--line);pointer-events:none;
}
.rowlist a.row:last-child::after{display:none}
.scroll-list .row{border-bottom:0;position:relative}
.scroll-list .row::after{
  content:"";position:absolute;left:24px;right:24px;bottom:0;
  border-bottom:1px dashed var(--line);
}

/* ---------- V3.26 左右分栏筛选（左固定分类 + 右内容） ---------- */
.filter-layout{display:grid;grid-template-columns:212px 1fr;gap:22px;align-items:stretch;padding-top:0}
.filter-side{position:relative}
/* 左侧分类固定显示：卡片吸附在视口内，内容超长时在卡片内滚动 */
.filter-side-inner{
  position:sticky;top:192px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 12px;box-shadow:var(--shadow-sm);
  max-height:calc(100vh - 208px);display:flex;flex-direction:column;
}
.filter-nav{display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1;min-height:0;scrollbar-width:thin}
.filter-title{margin:0 0 10px;font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:1px;padding-left:8px;flex-shrink:0}
.filter-item{
  display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;
  border:0;background:transparent;text-align:left;cursor:pointer;
  padding:9px 12px;border-radius:9px;font-size:14px;color:var(--ink-2);font-weight:600;
  transition:all .16s;
}
.filter-item:hover{background:var(--sky-50);color:var(--sky-700)}
.filter-item.on{background:var(--sky-500);color:#fff}
.filter-item em{font-style:normal;font-size:11.5px;color:var(--ink-3);font-weight:500}
.filter-item.on em{color:#e0f2fe}
.filter-post{display:block;margin-top:12px;text-align:center;padding:9px;border-radius:9px;background:var(--sky-50);color:var(--sky-700);font-weight:650;font-size:13.5px;border:1px dashed var(--sky-300)}
.filter-post:hover{background:var(--sky-100)}
.filter-main{min-width:0}
.filter-empty{display:none;padding:40px;text-align:center;color:var(--ink-3);background:#fff;border:1px dashed var(--line);border-radius:var(--r-md)}
@media (max-width:820px){
  .filter-layout{grid-template-columns:1fr;gap:14px}
  .filter-side-inner{position:static;padding:12px;max-height:none;display:block}
  .filter-title{margin-bottom:8px}
  .filter-nav{flex-direction:row;overflow-x:auto;max-height:none;gap:6px;padding-bottom:2px}
  .filter-item{white-space:nowrap;padding:7px 14px;border:1px solid var(--line);width:auto}
  .filter-post{display:none}
}

/* ---------- V3.27 列表行左侧留距加大 ---------- */
.item-card .item-body{padding-left:20px;padding-right:20px}
.list-card{padding-left:0}
.rowlist a.row{padding-left:30px}
.scroll-list .row{padding-left:30px}
.cert-card .rowlist a.row{padding-left:30px}

/* V3.28 行业推荐左卡文字左留距 */
.feat-main .feat-body{padding:18px 24px}

/* ---------- V3.29 工具卡重设计 + 需求横幅 ---------- */
.tool-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 22px 16px;display:flex;flex-direction:column;gap:10px;
  transition:all .2s;
}
.tool-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--sky-400),var(--sky-200));opacity:0;transition:opacity .2s;
}
.tool-card:hover{border-color:var(--sky-300);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.tool-card:hover::before{opacity:1}
.tool-card:hover{background:linear-gradient(180deg,var(--sky-50),#fff 42%)}
.tc-top{display:flex;align-items:center;gap:12px}
.tc-ico{width:44px;height:44px;border-radius:12px;background:var(--sky-50);border:1px solid var(--sky-100);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.tool-card h3{margin:0;font-size:16px;color:var(--ink)}
.tc-desc{margin:0;font-size:13px;line-height:1.75;color:var(--ink-3);flex:1}
.tc-meta{font-size:12px;color:var(--sky-700);background:var(--sky-50);border-radius:6px;padding:4px 10px;align-self:flex-start;font-weight:600}
/* 需求横幅 */
.req-banner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:linear-gradient(135deg,var(--sky-100),var(--sky-200));border:1px solid var(--sky-300);border-radius:var(--r-md);
  padding:22px 28px;text-align:left;transition:all .2s;
}
.req-banner:hover{background:linear-gradient(135deg,var(--sky-200),var(--sky-300));transform:translateY(-2px);box-shadow:var(--shadow-md)}
.req-banner b{display:block;font-size:17.5px;color:var(--sky-800);margin-bottom:4px;white-space:nowrap}
.req-banner span{font-size:13.5px;color:var(--sky-700);line-height:1.6}
.req-banner .req-arrow{font-size:14px;color:var(--sky-700);font-weight:700;white-space:nowrap;background:#fff;border-radius:999px;padding:10px 18px}
/* 侧栏换文案按钮 */
.filter-dev{display:block;margin-top:12px;text-align:center;background:var(--sky-100);color:var(--sky-800);border-radius:12px;padding:13px 12px;font-weight:650;border:1px solid var(--sky-200)}
.filter-dev:hover{background:var(--sky-200);border-color:var(--sky-300)}
.filter-dev b{display:block;font-size:13.5px;color:var(--sky-800);text-align:center}
.filter-dev span{display:block;font-size:12px;color:var(--sky-600);margin-top:4px;text-align:center}

/* ================= V3.30 工具详情页（左分类 + 右工具栏） ================= */
.tool-page{background:
  radial-gradient(900px 380px at 15% -60px,rgba(186,230,253,.55),transparent 70%),
  linear-gradient(180deg,#f4fafe,#ffffff 420px);
  border-top:1px solid #eef6fc;padding-top:26px}
.tp-main{display:flex;flex-direction:column;gap:16px}

/* 左侧分类 */
.tp-side{padding:16px 12px 14px}
.tp-cat{padding-bottom:8px;margin-bottom:8px;border-bottom:1px dashed var(--line)}
.tp-cat:last-child{border-bottom:0;margin-bottom:0}
.tp-cat-label{display:block;font-size:11.5px;letter-spacing:1.2px;color:var(--ink-3);font-weight:600;padding:0 10px 6px}
.tp-link{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:9px;font-size:13.5px;font-weight:600;color:var(--ink-2);transition:all .15s}
.tp-link:hover{background:var(--sky-50);color:var(--sky-700)}
.tp-link.on{background:linear-gradient(135deg,var(--sky-100),#fff);color:var(--sky-800);box-shadow:inset 0 0 0 1px var(--sky-200)}
.tp-link.on::after{content:"";width:3px;height:14px;border-radius:2px;background:var(--sky-500);margin-left:auto}
.tp-ico{font-size:13px;line-height:1;width:16px;text-align:center;flex-shrink:0}

/* 面包屑 */
.tp-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.tp-crumb a{color:var(--ink-3)}
.tp-crumb a:hover{color:var(--sky-600)}
.tp-crumb span{color:#cbd5e1}
.tp-crumb b{color:var(--ink-2);font-weight:600}

/* 工具页头 */
.tp-hero{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:26px 30px 24px;color:#fff;
  background:linear-gradient(120deg,#0b3a56 0%,#0c5b86 46%,#0f8fc4 100%);
  box-shadow:0 14px 36px rgba(3,105,161,.20)}
.tp-hero-glow{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(360px 200px at 88% -10%,rgba(125,211,252,.55),transparent 70%),
    radial-gradient(280px 180px at 72% 120%,rgba(56,189,248,.30),transparent 70%);
}
.tp-hero::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 0 0 26px rgba(255,255,255,.05)}
.tp-hero-top{position:relative;display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.tp-badge{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px)}
.tp-tag{font-size:12px;font-weight:650;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);color:#e0f2fe}
.tp-free{font-size:11.5px;color:#bae6fd;letter-spacing:.5px}
.tp-hero h1{position:relative;margin:0 0 8px;font-size:clamp(22px,2.1vw,28px);letter-spacing:-.01em;color:#fff}
.tp-sub{position:relative;margin:0;font-size:14px;line-height:1.75;color:#d7ecfa;max-width:760px}
.tp-meta{position:relative;display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:16px 0 0;padding:0}
.tp-meta li{display:flex;align-items:center;gap:6px;font-size:12.5px;color:#e6f4fd;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:5px 12px}

/* 工具面板 */
.tp-body{display:flex;flex-direction:column;gap:16px}
.tp-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-md);overflow:hidden}
.tp-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 24px;border-bottom:1px solid #eef2f7;
  background:linear-gradient(180deg,#fbfdff,#fff)}
.tp-panel-head h3{margin:0;font-size:15.5px;display:flex;align-items:center;gap:8px}
.tp-panel-head h3::before{content:"";width:4px;height:15px;border-radius:2px;background:linear-gradient(180deg,var(--sky-400),var(--sky-600))}
.tp-panel-head em{font-style:normal;font-size:12px;color:var(--ink-3)}
.tp-panel-body{padding:22px 24px 24px}
.tp-panel-body .field:last-child{margin-bottom:0}
.tp-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line)}
.tp-actions .btn{min-width:200px}
.tp-actions p{margin:0;font-size:12.5px;color:var(--ink-3);flex:1;min-width:180px}

/* 结果区 */
.tp-result{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--sky-200);
  background:linear-gradient(140deg,#f2fbff,#ffffff 60%);box-shadow:var(--shadow-md);padding:24px 26px}
.tp-result::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-btn)}
.tp-result h3{margin:0 0 10px;font-size:17px;color:var(--sky-900)}
.tp-result .big{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--sky-700);line-height:1.2}
.tp-result .row{font-size:14px;color:var(--ink-2);line-height:1.9}
.tp-result p{margin:0 0 6px;font-size:14px;color:var(--ink-2);line-height:1.85}
.tp-result p:last-child{margin-bottom:0}
.tp-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:4px 0 14px}
.tp-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.tp-card span{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:6px}
.tp-card b{font-size:22px;letter-spacing:-.02em;color:var(--ink)}
.tp-card.win{border-color:var(--sky-300);background:linear-gradient(180deg,var(--sky-50),#fff)}
.tp-card.win b{color:var(--sky-700)}
.tp-verdict{display:flex;gap:10px;align-items:flex-start;font-size:14px;font-weight:650;color:var(--sky-800);
  background:var(--sky-50);border:1px solid var(--sky-200);border-radius:12px;padding:12px 16px;line-height:1.7}

/* 步骤条 / 说明块 */
.tp-steps{list-style:none;margin:0;padding:0;counter-reset:s}
.tp-steps li{position:relative;padding:0 0 18px 44px;counter-increment:s}
.tp-steps li:last-child{padding-bottom:0}
.tp-steps li::before{content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;background:var(--grad-btn);box-shadow:0 4px 10px rgba(14,165,233,.25)}
.tp-steps li::after{content:"";position:absolute;left:13.5px;top:32px;bottom:4px;width:1px;background:linear-gradient(180deg,var(--sky-200),transparent)}
.tp-steps li:last-child::after{display:none}
.tp-steps b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:3px}
.tp-steps p{margin:0;font-size:13.5px;color:var(--ink-3);line-height:1.75}

/* 相关工具 */
.tp-related{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 22px;box-shadow:var(--shadow-sm)}
.tp-related h3{margin:0 0 12px;font-size:14.5px;color:var(--ink)}
.tp-rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.tp-rel{display:flex;align-items:center;gap:8px;padding:11px 14px;border-radius:12px;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--ink-2);transition:all .16s}
.tp-rel:hover{border-color:var(--sky-300);background:var(--sky-50);color:var(--sky-800);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.tp-rel b{font-weight:650}
.tp-rel i{margin-left:auto;font-style:normal;font-size:11.5px;color:var(--ink-3)}

@media (max-width:900px){
  .tp-cards{grid-template-columns:1fr}
  .tp-hero{padding:22px 20px}
  .tp-panel-head,.tp-panel-body{padding-left:18px;padding-right:18px}
  .tool-page{padding-top:16px}
}