/* ============================================================
   尊悦汽服 · 全站样式（多页共用）
   ============================================================ */
:root{
  --blue:#2563eb; --blue-d:#1e3a8a; --teal:#0d9488; --teal-d:#0f766e;
  --ink:#0f172a; --slate:#475569; --mute:#94a3b8; --line:#e2e8f0;
  --bg:#f8fafc; --card:#ffffff; --warn:#b45309; --warnbg:#fffbeb; --red:#dc2626; --redbg:#fef2f2;
  --shadow:0 10px 30px rgba(15,23,42,.08); --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:.25s;cursor:pointer;border:0}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,99,235,.36)}
.btn-ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
.btn-ghost:hover{background:var(--blue);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px)}
.sec{padding:84px 0}
.sec-head{text-align:center;max-width:780px;margin:0 auto 48px}
.sec-head .tag{display:inline-block;color:var(--teal);font-weight:700;letter-spacing:2px;font-size:13px;margin-bottom:10px}
.sec-head h2{font-size:34px;font-weight:800;letter-spacing:-.5px}
.sec-head p{color:var(--slate);margin-top:12px;font-size:16px}
.bg-white{background:#fff}
.bg-slate{background:#f1f5f9}

/* ---------------- NAV ---------------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px}
.brand img{width:38px;height:38px;border-radius:10px}
.brand small{display:block;font-size:11px;color:var(--mute);font-weight:500;letter-spacing:1px}
.menu{display:flex;gap:24px;font-size:15px;font-weight:500}
.menu a{color:var(--slate);transition:.2s;position:relative}
.menu a:hover,.menu a.active{color:var(--blue)}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-23px;height:3px;background:var(--blue);border-radius:3px}
.nav-cta{display:flex;gap:12px;align-items:center}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:0}
.burger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px}

/* ---------------- HERO (首页) ---------------- */
.hero{position:relative;overflow:hidden;background:
    radial-gradient(1200px 500px at 80% -10%,rgba(13,148,136,.18),transparent),
    radial-gradient(900px 500px at 0% 0%,rgba(37,99,235,.18),transparent),
    linear-gradient(180deg,#eef4ff,#f8fafc)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:70px 20px 56px}
.hero h1{font-size:44px;line-height:1.18;font-weight:900;letter-spacing:-1px}
.hero h1 .hl{background:linear-gradient(135deg,var(--blue),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:var(--slate);font-size:18px;margin:18px 0 22px}
.hero .values{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero .values span{background:#fff;border:1px solid var(--line);padding:6px 14px;border-radius:999px;font-size:13px;color:var(--slate);font-weight:600}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.hero-media img{width:100%;height:400px;object-fit:cover}
.hero-media .cap{position:absolute;left:0;right:0;bottom:0;padding:26px 22px 18px;background:linear-gradient(transparent,rgba(2,6,23,.82));color:#fff;font-size:14px}

/* ---------------- INFO STRIP ---------------- */
.infostrip{background:#0f172a;color:#fff}
.infostrip .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;padding:22px 0;font-size:14.5px}
.infostrip .it{display:flex;gap:10px;align-items:center}
.infostrip .it b{color:#5eead4}
.infostrip a{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ---------------- STATS ---------------- */
.stats{background:linear-gradient(135deg,#1e3a8a,#0f766e);color:#fff}
.stats .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;padding:34px 0}
.stats .num{font-size:32px;font-weight:900}
.stats .lab{color:#cbd5e1;font-size:13.5px;margin-top:4px}

/* ---------------- PAGE HERO (子页) ---------------- */
.page-hero{position:relative;color:#fff;background:linear-gradient(135deg,#0f172a,#1e3a8a 55%,#0f766e);padding:58px 0 52px;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(800px 320px at 85% -10%,rgba(20,184,166,.28),transparent)}
.page-hero .wrap{position:relative;z-index:1}
.page-hero .crumb{font-size:13px;color:#94a3b8;margin-bottom:14px}
.page-hero .crumb a{color:#5eead4}
.page-hero h1{font-size:38px;font-weight:900;letter-spacing:-1px;max-width:900px}
.page-hero .sub{color:#cbd5e1;margin-top:14px;font-size:17px;max-width:780px}
.page-hero .hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.page-hero .hero-badges span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:6px 14px;border-radius:999px;font-size:13px}
.page-hero .hero-cta{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}

/* ---------------- CARDS / SERVICES ---------------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s;position:relative;overflow:hidden;display:flex;flex-direction:column}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd9f5}
.svc .ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(13,148,136,.12));margin-bottom:14px}
.svc h3{font-size:19px;margin-bottom:8px}
.svc p{color:var(--slate);font-size:14px;margin-bottom:12px}
.svc ul{list-style:none;font-size:13.5px;color:var(--slate);display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.svc ul li{padding-left:18px;position:relative}
.svc ul li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}
.svc .more{margin-top:auto;color:var(--blue);font-weight:700;font-size:14px}
.svc .badge{position:absolute;top:18px;right:18px;font-size:11px;background:#eef4ff;color:var(--blue);padding:3px 10px;border-radius:999px;font-weight:700}

/* 链接卡片（服务总览） */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.link-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.link-card:hover{transform:translateY(-4px);border-color:#cdd9f5}
.link-card img{width:100%;height:196px;object-fit:cover}
.link-card .lc-body{padding:20px}
.link-card .cat{font-size:12px;color:var(--teal);font-weight:700;letter-spacing:1px}
.link-card h3{font-size:19px;margin:6px 0 8px}
.link-card p{color:var(--slate);font-size:14px}
.link-card .more{color:var(--blue);font-weight:700;font-size:14px;margin-top:12px;display:inline-block}

/* ---------------- TIMELINE ---------------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.tl{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;position:relative}
.tl .no{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
.tl h4,.tl h3{font-size:16px;margin-bottom:6px}
.tl p{font-size:13px;color:var(--slate)}
.tl::after{content:"→";position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--mute);font-size:18px}
.tl:last-child::after{display:none}

/* ---------------- PRICING ---------------- */
.tabs{display:flex;justify-content:center;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.tab{padding:10px 20px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600;cursor:pointer;color:var(--slate);transition:.2s}
.tab.active{background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;border-color:transparent}
.ptable{display:none}.ptable.active{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tbl{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:13px 16px;text-align:center;font-size:14.5px;border-bottom:1px solid var(--line)}
thead th{background:#0f172a;color:#fff;font-weight:700;white-space:nowrap}
tbody tr:nth-child(even){background:#f8fafc}
td:first-child,th:first-child{text-align:left;font-weight:600}
.note{background:var(--warnbg);border:1px solid #fde68a;color:var(--warn);border-radius:12px;padding:13px 18px;margin-top:16px;font-size:14px}
.note.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
.pkg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pkg{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center;transition:.25s}
.pkg:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pkg .p{font-size:28px;font-weight:900;color:var(--blue)}
.pkg .p small{font-size:13px;color:var(--mute);font-weight:600}
.pkg h4,.pkg h3{margin:6px 0 12px;font-size:16px}
.pkg ul{list-style:none;font-size:13px;color:var(--slate);text-align:left;display:flex;flex-direction:column;gap:6px}
.pkg ul li{padding-left:16px;position:relative}
.pkg ul li::before{content:"·";position:absolute;left:4px;color:var(--teal);font-weight:800}

/* ---------------- COMPARE TABLE ---------------- */
.cmp-wrap{overflow:auto;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.cmp{width:100%;border-collapse:collapse;min-width:680px}
.cmp th,.cmp td{padding:14px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.cmp thead th{background:#0f172a;color:#fff}
.cmp thead th.bad{background:#4b5563}
.cmp thead th.good{background:linear-gradient(135deg,#0d9488,#2563eb)}
.cmp td:first-child{color:var(--slate);font-weight:600;width:22%}
.cmp .g{color:var(--teal);font-weight:600}
.cmp .b{color:var(--red)}
.cmp tbody tr:nth-child(even){background:#f8fafc}

/* ---------------- CHECK / FEATURE ---------------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.check .step{font-size:12px;font-weight:800;color:var(--teal);letter-spacing:1px}
.check h4,.check h3{font-size:18px;margin:8px 0 10px}
.check p{font-size:14px;color:var(--slate)}
.check .pill{display:inline-block;margin-top:12px;font-size:12.5px;background:#ecfdf5;color:#047857;padding:4px 12px;border-radius:999px;font-weight:600}
.check .pill.no{background:var(--redbg);color:var(--red)}
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.feat .f{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.feat .f b{display:block;margin-bottom:4px}
.feat .f span{color:var(--slate);font-size:14px}

/* ---------------- WHY ---------------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.why{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.why .lv{position:absolute;top:16px;right:16px;font-size:11px;font-weight:800;padding:3px 9px;border-radius:999px}
.lv.s{background:#dcfce7;color:#166534}.lv.a{background:#dbeafe;color:#1e40af}
.why .ic{font-size:26px;margin-bottom:10px}
.why h4,.why h3{font-size:17px;margin-bottom:6px}
.why p{font-size:13.5px;color:var(--slate)}

/* ---------------- REDLINE ---------------- */
.redline{background:var(--redbg);border:1px solid #fecaca;border-radius:var(--radius);padding:30px}
.redline h3{color:var(--red);font-size:20px;margin-bottom:8px}
.redline > p{color:#7f1d1d;font-size:14.5px;margin-bottom:18px}
.redline .items{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.rl{background:#fff;border-radius:12px;padding:16px;font-size:13.5px;color:var(--slate);border:1px solid #fecaca}
.rl b{display:block;color:var(--red);font-size:15px;margin-bottom:4px}

/* ---------------- CASE ---------------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.case img{width:100%;height:190px;object-fit:cover}
.case .body{padding:20px}
.case .body .cat{font-size:12px;color:var(--teal);font-weight:700;letter-spacing:1px}
.case .body h4,.case .body h3{font-size:17px;margin:6px 0 10px}
.case .body p{font-size:14px;color:var(--slate)}
.case .body .res{margin-top:12px;font-size:13px;color:var(--blue);font-weight:600}

/* ---------------- BEFORE / AFTER 对比滑块 ---------------- */
.ba-wrap{max-width:940px;margin:0 auto}
.ba{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);user-select:none;aspect-ratio:16/10;background:#0f172a}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba .after-img{clip-path:inset(0 0 0 50%)}
.ba .bar{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;transform:translateX(-50%);pointer-events:none;box-shadow:0 0 10px rgba(0,0,0,.5)}
.ba .bar::after{content:"⇄";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:#fff;color:#0f172a;display:grid;place-items:center;font-size:18px;box-shadow:0 4px 14px rgba(0,0,0,.35)}
.ba .lbl{position:absolute;top:12px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:rgba(15,23,42,.72);color:#fff;pointer-events:none}
.ba .lbl.b{left:12px}.ba .lbl.a{right:12px;background:linear-gradient(135deg,#0d9488,#2563eb)}
.ba input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0;z-index:3}
.pairs{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:26px}
.pair{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.pair .dual{display:grid;grid-template-columns:1fr 1fr;position:relative}
.pair .dual figure{position:relative;margin:0}
.pair .dual img{width:100%;height:200px;object-fit:cover}
.pair .dual .tag{position:absolute;top:10px;left:10px;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;background:rgba(15,23,42,.72);color:#fff}
.pair .dual .after .tag{background:linear-gradient(135deg,#0d9488,#2563eb);left:auto;right:10px}
.pair .pc{padding:14px 18px;font-size:14px;color:var(--slate)}
.pair .pc b{color:var(--ink)}

/* ---------------- PROSE ---------------- */
.prose h2{font-size:26px;margin:8px 0 14px;font-weight:800}
.prose h3{font-size:19px;margin:22px 0 8px}
.prose p{color:var(--slate);margin-bottom:14px}
.prose ul{margin:0 0 16px 20px;color:var(--slate)}
.prose li{margin-bottom:6px}
.prose strong{color:var(--ink)}

/* ---------------- METRICS ---------------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metrics .m{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.metrics .m .num{font-size:32px;font-weight:900;color:var(--blue)}
.metrics .m .lab{color:var(--slate);font-size:13.5px;margin-top:6px}

/* ---------------- TEAM ---------------- */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.team-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.team-card img{width:100%;height:300px;object-fit:cover}
.team-card .tc{padding:18px}
.team-card h4{font-size:17px}
.team-card .role{color:var(--teal);font-size:13px;font-weight:700;margin:4px 0 8px}
.team-card p{font-size:13.5px;color:var(--slate)}

/* ---------------- CTA BAND ---------------- */
.cta-band{background:linear-gradient(135deg,#1e3a8a,#0f766e);color:#fff;border-radius:var(--radius);padding:36px;display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.cta-band h3,.cta-band h2{font-size:24px;font-weight:800}
.cta-band p{color:#cbd5e1;margin-top:8px}

/* ---------------- FAQ ---------------- */
.faq{max-width:860px;margin:0 auto}
.qa{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.qa h4,.qa h3{padding:18px 22px;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;gap:14px;align-items:center;font-weight:700}
.qa h4::after,.qa h3::after{content:"+";color:var(--blue);font-size:22px;font-weight:400;transition:.2s}
.qa.open h4::after,.qa.open h3::after{transform:rotate(45deg)}
.qa .a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.qa.open .a{max-height:1000px}
.qa .a p{padding:0 22px 20px;color:var(--slate);font-size:14.5px}

/* ---------------- CONTACT ---------------- */
.contact{background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff}
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact h2{font-size:30px;font-weight:800}
.contact p.sub{color:#94a3b8;margin:12px 0 24px}
.cinfo{display:flex;flex-direction:column;gap:16px}
.cinfo .row{display:flex;gap:14px;align-items:flex-start}
.cinfo .row .ic{width:42px;height:42px;border-radius:11px;background:rgba(37,99,235,.28);display:grid;place-items:center;font-size:20px;flex:none}
.cinfo .row b{display:block;font-size:15px}
.cinfo .row span{color:#94a3b8;font-size:14px}
.cinfo a{color:#5eead4;font-weight:700;font-size:17px}
.mapbtns{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.mapbtns a{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:10px 20px;border-radius:999px;font-size:14px;transition:.2s}
.mapbtns a:hover{background:rgba(255,255,255,.2)}

/* ---------------- FORM ---------------- */
.cform{background:#fff;color:var(--ink);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.cform h3{font-size:18px;margin-bottom:16px}
.form-field{margin-bottom:13px}
.form-field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:var(--slate)}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;background:#f8fafc;color:var(--ink)}
.form-field textarea{min-height:96px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:2px solid rgba(37,99,235,.25);border-color:var(--blue)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.req{color:var(--red)}
.form-msg{margin-top:12px;font-size:14px;padding:12px 14px;border-radius:10px;display:none;line-height:1.6}
.form-msg.ok{display:block;background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.form-msg.err{display:block;background:var(--redbg);color:var(--red);border:1px solid #fecaca}
.form-hint{font-size:12.5px;color:var(--mute);margin-top:10px;text-align:center}
.cform .btn{width:100%;justify-content:center}

/* ---------------- FLOAT / FOOTER ---------------- */
.float{position:fixed;right:22px;bottom:26px;z-index:60;display:flex;flex-direction:column;gap:12px}
.float a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:22px;box-shadow:0 10px 24px rgba(15,23,42,.25);transition:.2s}
.float a:hover{transform:translateY(-3px)}
.float .call{background:linear-gradient(135deg,#0d9488,#2563eb);color:#fff}
.float .wx{background:#fff;color:#0f172a;border:1px solid var(--line)}
.float .top{background:#334155;color:#fff;font-size:16px;display:none}
.float .top.show{display:grid}
footer{background:#020617;color:#94a3b8;padding:40px 0 26px;font-size:14px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;text-align:left;margin-bottom:24px}
footer h4,footer h2{color:#e2e8f0;font-size:15px;margin-bottom:10px}
footer a{display:block;color:#94a3b8;padding:3px 0;font-size:13.5px}
footer a:hover{color:#5eead4}
footer .cp{border-top:1px solid #1e293b;padding-top:18px;text-align:center;font-size:13px}
.foot-note{margin-top:8px;font-size:12.5px;color:#64748b}

/* ---------------- LIGHTBOX ---------------- */
.lb{position:fixed;inset:0;background:rgba(2,6,23,.92);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.lb.open{display:flex}
.lb img{max-width:92%;max-height:88vh;border-radius:12px}
.lb .cap{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:#fff;font-size:15px}
.lb .x{position:absolute;top:20px;right:26px;font-size:34px;color:#fff;cursor:pointer;background:none;border:0}

/* ---------------- GALLERY ---------------- */
.gtabs{display:flex;justify-content:center;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.gtab{padding:10px 22px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600;cursor:pointer;color:var(--slate);transition:.2s}
.gtab.active{background:var(--blue);color:#fff;border-color:transparent}
.gal-grid{display:none;grid-template-columns:repeat(4,1fr);gap:14px}
.gal-grid.active{display:grid;animation:fade .3s ease}
.gal-grid img{width:100%;height:180px;object-fit:cover;border-radius:12px;cursor:pointer;transition:.25s;border:1px solid var(--line)}
.gal-grid img:hover{transform:scale(1.03);box-shadow:var(--shadow)}

/* ---------------- RESPONSIVE ---------------- */
@media(max-width:1080px){
  .hero .wrap,.contact .wrap{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .menu{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:0;max-height:0;overflow:hidden;transition:.3s;border-bottom:1px solid var(--line)}
  .menu.open{max-height:70vh;overflow:auto}
  .menu a{padding:15px 24px;border-bottom:1px solid var(--line);width:100%}
  .menu a.active::after{display:none}
  .burger{display:flex}
  .nav-cta .btn-ghost{display:none}
  .svc-grid,.case-grid,.why-grid,.check-grid,.link-grid,.team-grid,.metrics{grid-template-columns:1fr 1fr}
  .pkg-grid,.gal-grid,.stats .grid4,.feat,.pairs{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr}
  .tl::after{display:none}
  .redline .items{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr 1fr}
  .sec{padding:58px 0}.sec-head h2{font-size:27px}
  .page-hero h1{font-size:28px}
}
@media(max-width:560px){
  .svc-grid,.case-grid,.why-grid,.pkg-grid,.gal-grid,.stats .grid4,.check-grid,.redline .items,
  .link-grid,.team-grid,.metrics,.feat,.pairs,.form-row,footer .cols{grid-template-columns:1fr}
  .hero-media img{height:260px}
  body{font-size:15.5px}
}


/* ============ 移动端底部快捷操作条 ============ */
.mbar{display:none}
@media(max-width:768px){
  body{padding-bottom:74px}
  .mbar{display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:80;
    padding:9px 12px calc(9px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);
    backdrop-filter:blur(12px);border-top:1px solid var(--line)}
  .mbar-btn{flex:1;text-align:center;padding:12px 8px;border-radius:11px;font-weight:700;font-size:14.5px}
  .mbar-btn.ghost{background:#eff6ff;color:var(--blue);border:1px solid #bfdbfe}
  .mbar-btn.primary{background:linear-gradient(135deg,#0d9488,#2563eb);color:#fff}
  .float{bottom:86px}
}

/* ============ 文章 / 知识页 ============ */
.article{max-width:820px;margin:0 auto}
.article .lead{font-size:17.5px;color:var(--ink);background:#f8fafc;border-left:4px solid var(--teal);
  padding:16px 20px;border-radius:10px;margin-bottom:24px}
.article h2{font-size:25px;font-weight:800;margin:30px 0 12px;letter-spacing:-.3px}
.article h3{font-size:19px;font-weight:700;margin:20px 0 8px}
.article p{color:var(--slate);margin-bottom:14px}
.article ul,.article ol{margin:0 0 16px 22px;color:var(--slate)}
.article li{margin-bottom:7px}
.article strong{color:var(--ink)}
.article figure{margin:20px 0}
.article img{border-radius:14px;border:1px solid var(--line);width:100%}
.article figcaption{font-size:13px;color:var(--mute);text-align:center;margin-top:8px}
.article .tip{background:#eff6ff;border-left:4px solid var(--blue);color:#1e40af;padding:14px 18px;
  border-radius:10px;margin:18px 0;font-size:14.5px}
.article .warn{background:var(--warnbg);border-left:4px solid var(--warn);color:var(--warn);padding:14px 18px;
  border-radius:10px;margin:18px 0;font-size:14.5px}
.article .toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:0 0 26px}
.article .toc b{display:block;margin-bottom:8px}
.article .toc a{display:block;color:var(--blue);font-size:14.5px;padding:3px 0}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:820px;margin:34px auto 0}
@media(max-width:768px){.related{grid-template-columns:1fr}}
/* ============================================================
   首页「超级版」增强（仅首页使用，类名以 sx 前缀，不影响其他页面）
   ============================================================ */

/* ---------- 全屏 Hero ---------- */
.sx-hero{position:relative;overflow:hidden;background:#08101f;isolation:isolate}
.sx-hero-bg{position:absolute;inset:0;z-index:-1}
.sx-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.46;transform:scale(1.04)}
.sx-hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(6,11,22,.95) 0%,rgba(6,11,22,.86) 42%,rgba(6,11,22,.42) 100%),
             radial-gradient(900px 420px at 88% 8%,rgba(13,148,136,.35),transparent)}
.sx-hero .wrap{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding:92px 20px 108px}
.sx-eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#dbe7f6;font-size:13px;font-weight:600;backdrop-filter:blur(8px)}
.sx-eyebrow i{width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 0 4px rgba(52,211,153,.22)}
.sx-hero h1{color:#fff;font-size:clamp(30px,4.3vw,52px);line-height:1.14;font-weight:900;letter-spacing:-1px;margin:20px 0 16px}
.sx-hero h1 .g{background:linear-gradient(96deg,#7dd3fc,#34d399);-webkit-background-clip:text;background-clip:text;color:transparent}
.sx-hero .sx-lead{color:#c6d4e7;font-size:clamp(15px,1.35vw,17.5px);line-height:1.9;max-width:660px}
.sx-hero .sx-lead strong{color:#fff;font-weight:700}
.sx-chips{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}
.sx-chips span{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.17);color:#d8e4f4;
  padding:7px 14px;border-radius:10px;font-size:13px;font-weight:500}
.sx-hero .hero-cta{display:flex;gap:13px;flex-wrap:wrap}
.sx-hero .hero-cta .btn{padding:14px 28px}
.sx-hero .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.42)}
.sx-hero .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* Hero 右侧信息卡 */
.sx-card{background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.16);border-radius:20px;
  padding:24px;backdrop-filter:blur(14px);box-shadow:0 30px 70px rgba(0,0,0,.4)}
.sx-card h3,.sx-card h2{color:#fff;font-size:16px;margin-bottom:6px}
.sx-card .sub{color:#9db0ca;font-size:12.5px;margin-bottom:16px}
.sx-card .li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.15)}
.sx-card .li:last-of-type{border-bottom:0}
.sx-card .li .k{font-size:17px;line-height:1.4;flex:none}
.sx-card .li .v{color:#c8d6e9;font-size:13.8px;line-height:1.65}
.sx-card .li .v b{color:#fff;display:block;font-size:14.5px;margin-bottom:2px}
.sx-card .li .v a{color:#7dd3fc;font-weight:700}
.sx-card .btn{width:100%;justify-content:center;margin-top:16px}

/* Hero 底部数据条 */
.sx-metrics{position:absolute;left:0;right:0;bottom:0;background:rgba(5,10,20,.66);
  border-top:1px solid rgba(255,255,255,.1);backdrop-filter:blur(10px)}
.sx-metrics .row{display:grid;grid-template-columns:repeat(4,1fr)}
.sx-metrics .m{padding:17px 8px;text-align:center;border-right:1px solid rgba(255,255,255,.09)}
.sx-metrics .m:last-child{border-right:0}
.sx-metrics .m b{display:block;color:#fff;font-size:23px;font-weight:900;letter-spacing:-.5px}
.sx-metrics .m span{color:#9cb0c9;font-size:12.5px}

/* ---------- 快捷入口 ---------- */
.sx-quick{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sx-quick a{display:flex;gap:13px;align-items:center;padding:17px 16px;border-radius:15px;background:#fff;
  border:1px solid var(--line);transition:.24s;box-shadow:0 2px 8px rgba(15,23,42,.03)}
.sx-quick a:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(15,30,60,.13);border-color:#c3d4ee}
.sx-quick .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:21px;flex:none;
  background:linear-gradient(135deg,#e7f0ff,#e4fbf3)}
.sx-quick h4,.sx-quick h3{font-size:15px;font-weight:700;margin-bottom:3px}
.sx-quick p{font-size:12.5px;color:var(--mute);line-height:1.5}

/* ---------- 案例精选 ---------- */
.sx-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sx-case{border-radius:16px;overflow:hidden;background:#fff;border:1px solid var(--line);transition:.25s;
  display:flex;flex-direction:column}
.sx-case:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(15,30,60,.14)}
.sx-case img{width:100%;height:210px;object-fit:cover}
.sx-case .b{padding:16px 18px 20px}
.sx-case .c{font-size:12px;font-weight:700;color:var(--teal);letter-spacing:1px;margin-bottom:6px}
.sx-case h4,.sx-case h3{font-size:16px;margin-bottom:7px}
.sx-case p{font-size:13.5px;color:var(--slate);line-height:1.75}
.sx-case .r{margin-top:10px;font-size:13px;font-weight:600;color:var(--blue)}

/* ---------- 价格速览 ---------- */
.sx-price{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sx-price .p{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;transition:.25s}
.sx-price .p:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(15,30,60,.12)}
.sx-price .p .n{font-size:13px;color:var(--mute);font-weight:600;letter-spacing:.5px}
.sx-price .p .v{font-size:26px;font-weight:900;color:var(--ink);margin:8px 0 4px;letter-spacing:-.5px}
.sx-price .p .v small{font-size:14px;font-weight:600;color:var(--slate)}
.sx-price .p ul{list-style:none;margin-top:12px;font-size:13px;color:var(--slate)}
.sx-price .p li{padding:4px 0 4px 15px;position:relative}
.sx-price .p li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--teal))}

/* ---------- 客户口碑 ---------- */
.sx-quote{display:grid;grid-template-columns:1.04fr .96fr;gap:30px;align-items:center}
.sx-quote img{width:100%;border-radius:18px;box-shadow:0 20px 50px rgba(10,20,40,.18);border:1px solid var(--line)}
.sx-quote h3,.sx-quote h2{font-size:26px;font-weight:800;margin-bottom:14px}
.sx-quote blockquote{border-left:4px solid var(--teal);padding:2px 0 2px 18px;color:#41536e;font-size:15px;line-height:1.95;margin:0 0 16px}
.sx-quote .tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.sx-quote .tags span{background:#eef6ff;color:var(--blue-d);border:1px solid #d7e6ff;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600}

/* ---------- 画廊分类按钮升级 ---------- */
.sx-gal-head{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.gtabs{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:26px}

@media (max-width:1080px){
  .sx-cases{grid-template-columns:repeat(2,1fr)}
  .sx-price{grid-template-columns:repeat(2,1fr)}
  .sx-quick{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .sx-hero .wrap{grid-template-columns:1fr;padding:64px 20px 48px;gap:30px}
  .sx-metrics{position:static}
  .sx-metrics .row{grid-template-columns:repeat(2,1fr)}
  .sx-metrics .m{border-right:0;border-bottom:1px solid rgba(255,255,255,.09)}
  .sx-quote{grid-template-columns:1fr;gap:22px}
}
@media (max-width:560px){
  .sx-cases,.sx-price,.sx-quick{grid-template-columns:1fr}
  .sx-hero h1{font-size:28px}
}
/* ============================================================
   健康大洗 · 详细施工项目对照表
   ============================================================ */
.pkg .pkgcnt{margin:-2px 0 12px;font-size:12.5px;font-weight:700;color:var(--teal);
  background:#ecfdf5;border:1px solid #bbf7d0;border-radius:999px;display:inline-block;padding:3px 11px}
.wtable-sec{margin-top:30px}
.wtable-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff;
  box-shadow:var(--shadow);-webkit-overflow-scrolling:touch}
.wtable{width:100%;border-collapse:collapse;font-size:14px;min-width:760px}
.wtable caption{caption-side:top;text-align:left;padding:15px 18px;font-weight:800;color:var(--ink);
  background:linear-gradient(90deg,#eef6ff,#f0fdfa);border-bottom:1px solid var(--line);font-size:14.5px}
.wtable thead th{background:linear-gradient(135deg,#1e3a8a,#0d9488);
  color:#fff;padding:13px 8px;font-weight:700;font-size:12.5px;line-height:1.5;text-align:center;
  vertical-align:top;border:0}
.wtable thead th .tname{display:block;font-weight:600;font-size:12.5px;opacity:.96}
.wtable thead th .tprice{display:block;font-size:20px;font-weight:900;letter-spacing:-.5px;margin-top:5px}
.wtable thead th .tcnt{display:inline-block;margin-top:6px;font-size:11.5px;background:rgba(255,255,255,.22);
  border-radius:999px;padding:2px 10px;font-weight:600}
.wtable th.col-item,.wtable td.col-item{text-align:left;padding-left:18px;width:42%;font-weight:500;color:var(--ink)}
.wtable thead th.col-item{font-size:15px;font-weight:800;color:#fff}
.wtable tbody td{text-align:center;padding:9px 6px;border-bottom:1px solid #eef2f7;font-size:15px}
.wtable tbody tr:nth-child(even){background:#fafcff}
.wtable tbody tr:hover{background:#f0f7ff}
.wtable td.y{color:var(--teal);font-weight:800;font-size:16px}
.wtable td.n{color:#cbd5e1}
.wtable tfoot td{background:#f1f5f9;font-weight:800;padding:13px 6px;text-align:center;
  border-top:2px solid var(--line);font-size:15px}
.wtable tfoot td.col-item{color:var(--blue-d);font-size:14.5px}
.wtable tfoot td.p{color:var(--red)}
.wtable-hint{margin-top:12px;font-size:13px;color:var(--mute);text-align:center}
@media (max-width:700px){
  .wtable{font-size:13px;min-width:640px}
  .wtable th.col-item,.wtable td.col-item{width:38%;padding-left:12px}
  .wtable thead th .tprice{font-size:17px}
  .wtable thead th{position:static}
}

/* ============================================================
   到店指引（进小区 / 下地库）
   ============================================================ */
.arrive-strip{background:linear-gradient(90deg,#fef3c7,#fffbeb 60%,#fef3c7);
  border-top:1px solid #fcd34d;border-bottom:1px solid #fcd34d;padding:14px 0}
.arrive-strip .row{display:flex;gap:10px 16px;align-items:center;justify-content:center;
  flex-wrap:wrap;text-align:center;font-size:14.5px;color:#78350f;font-weight:600;line-height:1.6}
.arrive-strip b{color:#b45309}
.arrive-strip a{color:#b45309;font-weight:800;text-decoration:underline}

.arrive{background:linear-gradient(135deg,#fffbeb,#fff7ed);border:2px solid #fbbf24;
  border-radius:18px;padding:24px 26px;margin:24px 0;box-shadow:var(--shadow)}
.arrive .hd{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;color:#92400e;letter-spacing:-.3px}
.arrive .sub{font-size:14px;color:#a16207;margin-top:6px}
.arrive .warnline{background:#dc2626;color:#fff;border-radius:12px;padding:14px 16px;margin:16px 0;
  font-weight:800;font-size:15px;line-height:1.65}
.arrive ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.arrive ol li{display:flex;gap:12px;align-items:flex-start;font-size:14.8px;color:#3f3f46;
  background:#fff;border:1px solid #fde68a;border-radius:12px;padding:13px 16px;margin:0;line-height:1.7}
.arrive ol li .n{flex:0 0 26px;height:26px;border-radius:50%;background:#f59e0b;color:#fff;font-weight:900;
  display:flex;align-items:center;justify-content:center;font-size:14px;margin-top:2px}
.arrive ol li b{color:#0f172a}
.arrive ol li .say{display:inline-block;background:#fef3c7;border:1px dashed #f59e0b;border-radius:8px;
  padding:2px 10px;font-weight:800;color:#b45309}
.arrive .foot{margin-top:16px;font-size:13.5px;color:#78350f;border-top:1px dashed #fcd34d;padding-top:14px}
.arrive .foot a{color:#b45309;font-weight:800}
@media (max-width:700px){
  .arrive{padding:18px}
  .arrive .hd{font-size:17px}
  .arrive ol li{font-size:14.2px;padding:12px 13px}
}

/* ============================================================
   科普馆（science.html）
   ============================================================ */
.sci-chips{display:flex;flex-wrap:wrap;gap:10px;max-width:900px;margin:0 auto}
.sci-chips a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  font-size:13.5px;color:var(--slate);font-weight:600;transition:.2s}
.sci-chips a:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}

.sci-kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0 8px}
.sci-kpi .k{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}
.sci-kpi .k b{display:block;font-size:24px;font-weight:900;color:var(--blue-d);letter-spacing:-.5px}
.sci-kpi .k span{font-size:12.5px;color:var(--mute);display:block;margin-top:4px;line-height:1.5}

/* 漆面分层可视化 */
.sci-layer{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:22px 0;box-shadow:var(--shadow)}
.sci-layer .row{display:flex;align-items:center;gap:14px;padding:9px 0;border-bottom:1px dashed #eef2f7}
.sci-layer .row:last-child{border-bottom:0}
.sci-layer .sw{width:56px;height:26px;border-radius:7px;flex:0 0 auto;border:1px solid rgba(15,23,42,.12)}
.sci-layer .nm{font-weight:700;font-size:14.5px;flex:0 0 96px}
.sci-layer .th{font-size:13px;color:var(--mute);flex:0 0 92px;font-variant-numeric:tabular-nums}
.sci-layer .ds{font-size:13.5px;color:var(--slate)}
.sci-layer .note{font-size:12.5px;color:var(--mute);margin-top:12px;border-top:1px solid var(--line);padding-top:12px}

/* 通用对照表 */
.cmp{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;margin:20px 0}
.cmp th,.cmp td{padding:11px 14px;border-bottom:1px solid #eef2f7;text-align:left;vertical-align:top}
.cmp thead th{background:linear-gradient(135deg,#1e3a8a,#0d9488);color:#fff;font-size:13px;font-weight:700}
.cmp tbody tr:nth-child(even){background:#fafcff}
.cmp td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.cmp .ok{color:var(--teal);font-weight:700}
.cmp .no{color:var(--red);font-weight:700}

/* 误区 vs 真相 */
.myth-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
.myth{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;border-left:5px solid var(--red)}
.myth .tagx{font-size:12px;font-weight:800;color:var(--red);letter-spacing:1px}
.myth h4,.myth h3{font-size:15.5px;margin:6px 0 8px}
.myth p{font-size:13.8px;color:var(--slate)}
.myth.truth{border-left-color:var(--teal)}
.myth.truth .tagx{color:var(--teal-d)}

/* 术语词典 */
.gloss{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 0}
.gloss .g{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.gloss .g b{display:block;font-size:14.5px;color:var(--blue-d);margin-bottom:3px}
.gloss .g span{font-size:13.5px;color:var(--slate)}

/* 自测小工具 */
.tool{background:linear-gradient(135deg,#eff6ff,#f0fdfa);border:1px solid #dbeafe;border-radius:18px;
  padding:24px;margin:26px 0}
.tool h3{font-size:19px;font-weight:800;margin-bottom:6px}
.tool .q{font-size:14px;color:var(--slate);margin:16px 0 8px;font-weight:600}
.tool .opts{display:flex;flex-wrap:wrap;gap:9px}
.tool .opt{background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:9px 15px;font-size:13.5px;
  cursor:pointer;color:var(--slate);font-weight:600;transition:.2s}
.tool .opt:hover{border-color:var(--blue)}
.tool .opt.on{background:var(--blue);border-color:var(--blue);color:#fff}
.tool .out{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  font-size:14.2px;color:var(--slate);min-height:64px}
.tool .out b{color:var(--ink)}
.tool .out .v{display:inline-block;margin-top:8px;font-weight:800;padding:4px 12px;border-radius:999px;font-size:13px}
.tool .out .v.good{background:#ecfdf5;color:var(--teal-d)}
.tool .out .v.mid{background:var(--warnbg);color:var(--warn)}
.tool .out .v.bad{background:var(--redbg);color:var(--red)}

.sci-fig{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;margin:22px 0;box-shadow:var(--shadow)}
.sci-fig svg{width:100%;height:auto;display:block}
.sci-fig figcaption{font-size:13px;color:var(--mute);text-align:center;margin-top:10px}

@media (max-width:900px){
  .sci-kpi{grid-template-columns:1fr 1fr}
  .myth-grid,.gloss{grid-template-columns:1fr}
  .sci-layer .row{flex-wrap:wrap;gap:8px}
  .sci-layer .nm,.sci-layer .th{flex:0 0 auto}
}


/* ============ 无障碍 / 体验优化 ============ */
html{scroll-padding-top:80px}          /* 锚点跳转不被吸顶导航遮挡 */
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:#fff;color:var(--blue);
  padding:12px 18px;border-radius:0 0 12px 0;font-weight:800;box-shadow:var(--shadow)}
.skip:focus{left:0}
a:focus-visible,button:focus-visible,.tab:focus-visible,.gtab:focus-visible,
.qa h4:focus-visible,.qa h3:focus-visible,.tool .opt:focus-visible,[tabindex]:focus-visible{
  outline:3px solid rgba(37,99,235,.55);outline-offset:2px;border-radius:6px}