/* ============================================================
   v2 视觉精修层（放在样式表最后，用于覆盖与统一全站观感）
   目标：更"专业门店"的质感——更克制的配色、更清晰的信息层级、
        更精致的卡片与留白、更顺滑的动效、更舒服的手机端。
   ============================================================ */
:root{
  --blue:#1d4ed8; --blue-d:#122a6b; --teal:#0e9f8f; --teal-d:#0b7d70;
  --ink:#0b1523; --slate:#4b5b70; --mute:#8a99ad; --line:#e7edf6;
  --bg:#f7f9fc;
  --sh-sm:0 1px 2px rgba(11,21,35,.04),0 6px 18px rgba(11,21,35,.05);
  --sh-md:0 1px 2px rgba(11,21,35,.04),0 10px 30px rgba(11,21,35,.07);
  --sh-lg:0 2px 8px rgba(11,21,35,.06),0 26px 64px rgba(11,21,35,.13);
  --r-sm:10px; --r:14px; --r-lg:18px; --r-xl:24px;
  --radius:18px;
}
body{font-size:16.5px;line-height:1.78;color:#26364a}

/* ---------- 版式节奏 ---------- */
.sec{padding:clamp(58px,7vw,96px) 0}
.sec-head{margin-bottom:clamp(30px,3.6vw,52px);max-width:820px}
.sec-head .tag{display:inline-flex;align-items:center;gap:8px;background:#eef4ff;border:1px solid #d9e6ff;
  color:var(--blue);padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  letter-spacing:1.2px;margin-bottom:14px}
.sec-head h2{font-size:clamp(26px,3.05vw,38px);line-height:1.22;letter-spacing:-.8px}
.sec-head p{font-size:16.5px;color:var(--slate);max-width:680px;margin-left:auto;margin-right:auto}

/* ---------- 顶部导航 ---------- */
header{border-bottom:1px solid var(--line);transition:box-shadow .3s,background .3s}
header.scrolled{box-shadow:0 2px 20px rgba(11,21,35,.08)}
.nav{height:64px}
.menu{gap:4px;font-size:14.6px;font-weight:600}
.menu a{padding:9px 12px;border-radius:10px;transition:.2s}
.menu a:hover{background:#f1f6ff;color:var(--blue)}
.menu a.active::after{bottom:-20px;height:2.5px}
.brand{font-size:19px;letter-spacing:-.3px}
.brand img{width:36px;height:36px;border-radius:11px;box-shadow:0 4px 12px rgba(29,78,216,.22)}

/* ---------- 按钮 ---------- */
.btn{border-radius:12px;padding:12px 22px;font-size:14.6px;font-weight:700;letter-spacing:.1px}
.btn-primary{box-shadow:0 8px 22px rgba(29,78,216,.26)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{border-width:1.5px}
.btn-ghost:hover{background:var(--blue);border-color:var(--blue)}

/* ---------- 首页 Hero：更亮更"门店感" ---------- */
.sx-hero{background:#071022}
.sx-hero-bg img{opacity:.74;filter:saturate(1.06) contrast(1.02)}
.sx-hero-bg::after{background:
  linear-gradient(94deg,rgba(6,12,24,.94) 0%,rgba(6,12,24,.83) 36%,rgba(6,12,24,.34) 70%,rgba(6,12,24,.12) 100%),
  radial-gradient(740px 420px at 92% 8%,rgba(14,159,143,.32),transparent 68%)}
.sx-hero > .wrap{padding:clamp(62px,7.6vw,104px) 20px clamp(74px,9vw,118px)}
/* 注意：只能用「直接子代」选择器 —— 底部数据条本身也带 class="wrap row"，
   若用后代选择器会把 hero 的内边距套到数据条上（手机端会被撑出大片空白）。 */
.sx-metrics .row{padding:0 20px;margin:0 auto}
.sx-hero h1{font-size:clamp(30px,4.15vw,54px);line-height:1.12;letter-spacing:-1.6px;text-wrap:balance}
.sx-hero .sx-lead{max-width:600px;color:#cfdcec;font-size:clamp(15px,1.3vw,17px);line-height:1.85}
.sx-eyebrow{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);letter-spacing:.3px}
.sx-chips{gap:9px}
.sx-chips span{border-radius:999px;padding:7px 15px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.sx-card{background:rgba(10,19,34,.58);border:1px solid rgba(255,255,255,.15);border-radius:22px;
  box-shadow:0 30px 80px rgba(0,0,0,.46)}
.sx-card .li .v{font-size:13.9px}
.sx-card .li{padding:12px 0}
.sx-metrics{background:rgba(4,9,18,.72)}
.sx-metrics .m b{font-size:24px}

/* ---------- 卡片体系统一 ---------- */
.link-card,.sx-case,.why,.pkg,.case,.team-card,.sx-price .p{
  border-radius:var(--r-lg);border:1px solid var(--line);background:#fff}
.link-card{box-shadow:none;overflow:hidden;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s}
.link-card:hover{transform:translateY(-5px);box-shadow:var(--sh-lg);border-color:#cadcfb}
.link-card img{overflow:hidden;transition:transform .55s cubic-bezier(.2,.7,.2,1)}
.link-card:hover img{transform:scale(1.045)}
.link-card .lc-body{padding:20px 20px 22px}
.link-card h3{font-size:18.5px;letter-spacing:-.35px;line-height:1.4}
.link-card p{font-size:14.2px;color:var(--slate);line-height:1.72}
.link-card .cat{font-size:11.5px;letter-spacing:1.5px;color:var(--teal-d)}

.sx-quick a{border-radius:var(--r-lg);padding:18px}
.sx-quick a:hover{border-color:#cadcfb}
.sx-quick h4,.sx-quick h3{font-size:15.5px}
.sx-quick p{font-size:13px;line-height:1.55}
.sx-quick .ic{border-radius:14px;background:linear-gradient(135deg,#e8f1ff,#e6fbf5)}

.sx-case{border-radius:var(--r-lg);overflow:hidden}
.sx-case:hover{transform:translateY(-5px);box-shadow:var(--sh-lg)}
.sx-case img{transition:transform .55s cubic-bezier(.2,.7,.2,1)}
.sx-case:hover img{transform:scale(1.045)}
.sx-case h4,.sx-case h3{font-size:16.5px}
.sx-case p{font-size:13.6px}

.why{padding:24px 22px;transition:.28s}
.why:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#cadcfb}
.why .lv{font-size:10.5px;letter-spacing:.5px;opacity:.95}
.why h4,.why h3{font-size:17px;letter-spacing:-.3px}
.why p{font-size:13.6px;line-height:1.7}

/* ---------- 价格速览卡 ---------- */
.sx-price .p{padding:24px 22px;position:relative;overflow:hidden;transition:.28s}
.sx-price .p::after{content:"";position:absolute;left:0;right:0;top:0;height:4px;border-radius:4px 4px 0 0;
  background:linear-gradient(90deg,var(--blue),var(--teal));opacity:0;transition:.25s}
.sx-price .p:hover::after{opacity:1}
.sx-price .p:hover{transform:translateY(-5px);box-shadow:var(--sh-lg)}
.sx-price .p .n{font-size:12.5px;letter-spacing:1px;color:var(--teal-d);font-weight:700}
.sx-price .p .v{font-size:30px;letter-spacing:-1px;margin:10px 0 6px}
.sx-price .p ul{font-size:13.4px;line-height:1.7}

/* ---------- 表格 / FAQ / 提示大卡 ---------- */
.qa{border-radius:var(--r);box-shadow:0 1px 2px rgba(11,21,35,.03)}
.qa h4,.qa h3{font-size:16.2px;padding:19px 22px;letter-spacing:-.2px}
.qa:hover h4,.qa:hover h3{color:var(--blue)}
.wtable-wrap{border-radius:var(--r-lg);box-shadow:var(--sh-md)}
.arrive{border-radius:var(--r-xl);box-shadow:var(--sh-md)}
.cta-band{border-radius:var(--r-xl);box-shadow:var(--sh-lg)}

/* ---------- 页脚 ---------- */
footer{background:#070e1a;padding:56px 0 28px}
footer .cols{gap:34px;margin-bottom:30px}
footer h4,footer h2{color:#fff;font-size:14.5px;letter-spacing:.5px;margin-bottom:14px}
footer a{color:#98a9c0;padding:5px 0;font-size:13.8px;transition:color .2s,transform .2s}
footer a:hover{color:#fff;transform:translateX(2px)}
footer .cp{border-top:1px solid rgba(255,255,255,.09);margin-top:0;padding-top:20px;font-size:12.8px}
.foot-note{color:#5f7189}

/* ---------- 滚动进场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);will-change:opacity,transform}
.reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .75s cubic-bezier(.2,.7,.2,1)}

/* ---------- 手机端打磨 ---------- */
@media (max-width:900px){
  body{font-size:16px;line-height:1.75}
  .sec{padding:56px 0}
  .sec-head{margin-bottom:30px}
  .sec-head h2{font-size:25px;letter-spacing:-.5px}
  .sec-head p{font-size:15.4px}
  .sx-hero h1{font-size:29px;letter-spacing:-1px}
  .sx-hero > .wrap{padding:54px 18px 46px}
  .sx-hero .sx-lead{font-size:15px;line-height:1.8}
  .sx-card{padding:20px;border-radius:18px}
  .btn{padding:13px 20px}
  .mbar-btn{padding:13px 8px}
  .wtable-hint::after{content:"  ← 左右滑动查看全部 →";color:var(--blue);font-weight:800;display:block;margin-top:4px}
  .article h2{font-size:22px}
  /* 手机端底部操作条已含「预约 / 一键拨打」，右下浮动按钮只保留「回到顶部」，避免遮挡内容 */
  .float .wx,.float .call{display:none}
  .float{right:14px;bottom:88px;gap:8px}
  .float .top{width:42px;height:42px;line-height:42px;font-size:18px}
}
@media (max-width:560px){
  .sx-quick p{font-size:12.6px}
  .link-card img{height:186px}
  .sx-price .p .v{font-size:27px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   报价估算器（quote.html）
   ============================================================ */
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(18px,2.4vw,30px);
  box-shadow:var(--sh-md);margin:22px 0}
.calc .step{margin:0 0 20px}
.calc .step > b{display:block;font-size:14px;font-weight:800;color:var(--slate);margin-bottom:10px;letter-spacing:.2px}
.calc .opts{display:flex;flex-wrap:wrap;gap:10px}
.calc .opt{background:#f6f9ff;border:1.5px solid #e3ecfb;border-radius:12px;padding:11px 16px;
  font-size:14.2px;font-weight:700;color:var(--slate);cursor:pointer;transition:.2s;line-height:1.35}
.calc .opt small{display:block;font-size:11.5px;font-weight:500;color:var(--mute);margin-top:2px}
.calc .opt:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-1px)}
.calc .opt.on{background:linear-gradient(135deg,var(--blue),#2f7bea);border-color:transparent;color:#fff;
  box-shadow:0 8px 20px rgba(29,78,216,.26)}
.calc .opt.on small{color:rgba(255,255,255,.85)}
.calc .result{margin-top:6px;background:linear-gradient(135deg,#f1f7ff,#eefcf8);border:1px solid #d7ebff;
  border-radius:18px;padding:20px 22px;transition:.3s}
.calc .result .num{font-size:32px;font-weight:900;color:var(--blue-d);letter-spacing:-1.2px;line-height:1.2;margin-top:4px}
.calc .result ul{margin:12px 0 0 18px;color:var(--slate)}
.calc .result li{font-size:13.6px;line-height:1.7;margin-bottom:4px}
.calc .hint{font-size:12.8px;color:var(--mute);line-height:1.7;margin-top:14px}
@media (max-width:700px){
  .calc .result .num{font-size:26px}
  .calc .opts{gap:8px}
  .calc .opt{padding:10px 13px;font-size:13.6px}
}

/* ============================================================
   实用小组件（拍照初判 / 取证清单 / 对症选档）
   ============================================================ */
.wg{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(18px,2.4vw,28px);
  box-shadow:var(--sh-md);margin:20px 0}
.wg h3{font-size:20px;font-weight:800;letter-spacing:-.4px;margin-bottom:6px}
.wg .sub{font-size:14.2px;color:var(--slate);margin-bottom:18px;line-height:1.7}
.wg .field{margin-bottom:14px}
.wg .field > label{display:block;font-size:13.5px;font-weight:700;color:var(--slate);margin-bottom:7px}
.wg input[type=text],.wg select,.wg textarea{width:100%;border:1.5px solid var(--line);border-radius:12px;
  padding:11px 14px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fbfdff;transition:.2s}
.wg input[type=text]:focus,.wg select:focus,.wg textarea:focus{outline:none;border-color:var(--blue);background:#fff;
  box-shadow:0 0 0 4px rgba(29,78,216,.1)}
.wg textarea{min-height:76px;resize:vertical;line-height:1.7}
.wg .grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.wg .drop{border:2px dashed #cfe0fb;border-radius:16px;padding:22px 18px;text-align:center;background:#f7faff;
  cursor:pointer;transition:.2s}
.wg .drop:hover,.wg .drop:focus-visible{border-color:var(--blue);background:#f1f7ff}
.wg .drop b{display:block;font-size:15.5px;color:var(--blue-d);margin-bottom:4px}
.wg .drop span{font-size:13px;color:var(--mute)}
.wg .thumbs{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}
.wg .thumbs img{width:88px;height:88px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.wg .meta{font-size:12.8px;color:var(--mute);margin-top:12px;line-height:1.65}
.wg .out{background:linear-gradient(135deg,#f1f7ff,#eefcf8);border:1px solid #d7ebff;border-radius:16px;
  padding:16px 18px;margin-top:16px;font-size:13.8px;color:#33465e;white-space:pre-wrap;line-height:1.8;
  word-break:break-word}
.wg .acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.wg .chk{display:flex;flex-direction:column;gap:9px}
.wg .chk label{display:flex;gap:11px;align-items:flex-start;padding:12px 14px;border:1.5px solid var(--line);
  border-radius:12px;font-size:14.2px;color:var(--slate);cursor:pointer;transition:.2s;margin:0;line-height:1.6}
.wg .chk label:hover{border-color:#cadcfb;background:#fbfdff}
.wg .chk label.on{border-color:var(--blue);background:#f3f8ff}
.wg .chk input{width:18px;height:18px;margin-top:3px;accent-color:#1d4ed8;flex:none}
.wg .chk label b{color:var(--ink)}
.wg .chk label.on b{color:var(--blue-d)}
.wg .cnt{font-size:12.8px;color:var(--teal-d);font-weight:700;margin:0 0 12px}
.sizeref{display:flex;gap:18px;flex-wrap:wrap;align-items:flex-end;margin-top:10px}
.sizeref .it{text-align:center;font-size:12.3px;color:var(--mute);line-height:1.5}
.sizeref .bar{background:linear-gradient(135deg,#dbeafe,#cffafe);border:1px solid #bfdbfe;border-radius:6px;margin-bottom:6px}
@media (max-width:700px){
  .wg .grid2{grid-template-columns:1fr}
  .wg .thumbs img{width:72px;height:72px}
  .wg h3{font-size:18px}
}

/* 工具箱页 · 工具卡 */
.tgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;transition:.26s}
.tcard:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#cadcfb}
.tcard .ico{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:13px;font-size:21px;
  background:linear-gradient(135deg,#e8f1ff,#e6fbf5);margin-bottom:12px}
.tcard h4,.tcard h3{font-size:16.5px;font-weight:800;letter-spacing:-.3px;margin-bottom:6px}
.tcard p{font-size:13.6px;color:var(--slate);line-height:1.72}
.tcard .more{display:inline-block;margin-top:10px;font-size:13.6px;font-weight:700;color:var(--blue)}
@media (max-width:900px){.tgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.tgrid{grid-template-columns:1fr}}

/* 首页快捷入口 6 项：改 3 列更整齐 */
.sx-quick{grid-template-columns:repeat(3,1fr)}
@media (max-width:1080px){.sx-quick{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.sx-quick{grid-template-columns:1fr}}
/* sx-quick-6 */


/* 桌面端导航紧凑排布（10 项不换行） */
@media (min-width:1081px){
  .menu{gap:2px;font-size:14px}
  .menu a{padding:8px 10px}
  .nav-cta .btn{padding:11px 18px;font-size:14px}
}

/* 案例库筛选条 */
.cfilter{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(16px,2vw,24px);
  box-shadow:var(--sh-md)}
.cf-row{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap;padding:8px 0}
.cf-row + .cf-row{border-top:1px dashed #eef2f7}
.cf-label{flex:0 0 72px;font-size:13.5px;font-weight:800;color:var(--slate);padding-top:9px}
.cf-tabs{justify-content:flex-start;margin-bottom:0;gap:8px}
.cf-tabs .gtab{padding:8px 15px;font-size:13.6px}
.cf-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px dashed #eef2f7;padding-top:14px;margin-top:4px}
.cfcount{font-size:13.8px;color:var(--slate)}
.cfcount b{color:var(--blue-d);font-weight:800}
.cftip{margin-top:12px;font-size:13.2px;color:var(--mute);line-height:1.7}
.case-hidden{display:none !important}
.cf-empty{text-align:center;color:var(--mute);font-size:14.5px;padding:28px 12px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-lg)}
@media (max-width:700px){
  .cf-label{flex:0 0 100%;padding-top:0;margin-bottom:2px}
  .cf-tabs .gtab{padding:7px 12px;font-size:13px}
}


/* ============================================================
   打印样式（价目表 / 交接单 / 文章都能直接打印或存 PDF）
   ============================================================ */
.print-btn{background:#fff;border:1.5px solid var(--line);color:var(--slate)}
.print-btn:hover{border-color:var(--blue);color:var(--blue)}
@media print{
  header,.float,.mbar,.lb,.arrive-strip,.cta-band,.related,.print-btn,
  .page-hero .hero-cta,.page-hero .hero-badges,.toc,.cfilter{display:none !important}
  body{background:#fff !important;color:#000;font-size:11.5pt;line-height:1.5}
  .sec{padding:0 0 10pt !important;background:#fff !important}
  .sec + .sec{border-top:1px solid #ddd;padding-top:10pt !important}
  .page-hero{background:#fff !important;color:#000 !important;padding:0 0 10pt !important}
  .page-hero::after{display:none !important}
  .page-hero h1{color:#000;font-size:18pt;letter-spacing:0}
  .page-hero .sub,.page-hero .crumb{color:#333 !important}
  .sec-head h2,.article h2{font-size:14pt}
  .wg,.calc,.qa,.wtable-wrap,.arrive,.sci-fig,.cmp{box-shadow:none !important;border-color:#bbb !important;
    break-inside:avoid;page-break-inside:avoid}
  .wtable{min-width:0 !important;font-size:8.6pt}
  .wtable thead th{background:#eee !important;color:#000 !important;font-size:8.4pt}
  .wtable td,.wtable th{padding:3pt 4pt !important}
  .wtable-wrap{overflow:visible !important}
  .wtable caption{background:#f3f4f6 !important;color:#000}
  a{color:#000 !important;text-decoration:none}
  .reveal{opacity:1 !important;transform:none !important}
  .out,.result{background:#f7f7f7 !important}
  footer{background:#fff !important;color:#333 !important;padding:10pt 0 0 !important}
  footer h2{color:#000 !important;font-size:11pt}
  footer a{color:#333 !important}
}