/* ==========================================================================
   筑家 ZHUJIA HOME · 官网样式表
   品牌色：筑红 #C8503C / 墨青 #1B3B36 / 暖白 #F8F4EE / 砂灰 #E4DACE
   ========================================================================== */

:root{
  --ink:#1B3B36;
  --ink-soft:#37564F;
  --ink-mute:#7C8F8A;
  --terra:#C8503C;
  --terra-dark:#A8402F;
  --terra-soft:#E08A5F;
  --cream:#F8F4EE;
  --cream-deep:#F1EBE2;
  --paper:#FFFFFF;
  --sand:#E4DACE;
  --line:#EAE3DA;
  --dark:#16211F;

  --shadow-sm:0 2px 10px -4px rgba(27,59,54,.14);
  --shadow:0 14px 34px -18px rgba(27,59,54,.32);
  --shadow-lg:0 30px 60px -30px rgba(27,59,54,.42);

  --r-sm:10px;
  --r:14px;
  --r-lg:20px;

  --wrap:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;line-height:1.8;color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font:inherit;color:inherit;outline:none}
button{cursor:pointer;border:none;background:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.en{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;letter-spacing:.3em;font-size:11px;font-weight:600}

/* ---------- 顶栏 ---------- */
.topbar{position:relative;z-index:110;background:var(--dark);color:#9DBBAF;font-size:12.5px;line-height:40px}
.topbar .wrap{display:flex;align-items:center;gap:20px}
.topbar a:hover{color:#F1E9DE}
.topbar .tb-right{margin-left:auto;display:flex;align-items:center;gap:18px}
.topbar .tb-tel{color:#F1E9DE;font-weight:600;letter-spacing:.04em}
.topbar .tb-tel span{color:var(--terra-soft);font-weight:700}
.topbar .divider{width:1px;height:12px;background:rgba(255,255,255,.18)}
.city{position:relative;display:inline-flex;align-items:center}
.city-btn{display:inline-flex;align-items:center;gap:5px;background:none;border:0;padding:0;color:inherit;font:inherit;letter-spacing:inherit;cursor:pointer}
.city-btn:hover{color:#F1E9DE}
.city-btn svg{transition:transform .22s}
.city.open .city-btn svg{transform:rotate(180deg)}
.city-list{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--shadow);padding:6px;display:none;z-index:130;max-height:272px;overflow-y:auto;min-width:100px}
.city.open .city-list{display:block}
.city-list li{list-style:none;line-height:1.5;font-size:13px;color:var(--ink-soft);padding:7px 16px;border-radius:7px;cursor:pointer;white-space:nowrap;text-align:center;transition:background .16s,color .16s}
.city-list li:hover{background:var(--cream);color:var(--terra)}
.city-list li.sel{color:var(--terra);font-weight:700;background:var(--cream)}

/* ---------- 头部 ---------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.header.scrolled{box-shadow:0 6px 26px -14px rgba(27,59,54,.3)}
.header .wrap{display:flex;align-items:center;gap:38px;height:76px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo .logo-mark{width:42px;height:42px;flex:none}
.logo .logo-zh{font-size:23px;font-weight:800;letter-spacing:.08em;line-height:1}
.logo .logo-lat{font-size:8px;letter-spacing:.3em;color:var(--ink-mute);font-weight:600;margin-top:3px}

.nav{display:flex;gap:32px;font-size:15px;color:var(--ink-soft)}
.nav a{position:relative;padding:6px 0;transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--terra);transition:right .28s ease}
.nav a:hover{color:var(--terra)}
.nav a:hover::after{right:0}
.nav a.on{color:var(--terra);font-weight:600}
.nav a.on::after{right:0}

.header .hd-right{margin-left:auto;display:flex;align-items:center;gap:18px}
.hd-tel{text-align:right;line-height:1.25}
.hd-tel .k{font-size:11px;color:var(--ink-mute);letter-spacing:.08em}
.hd-tel .v{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-sm);font-weight:600;transition:all .22s;white-space:nowrap;cursor:pointer}
.btn-p{background:var(--terra);color:#fff;padding:12px 26px;font-size:15px;box-shadow:0 8px 20px -10px rgba(200,80,60,.7)}
.btn-p:hover{background:var(--terra-dark);transform:translateY(-1px)}
.btn-d{background:var(--ink);color:#fff;padding:12px 26px;font-size:15px}
.btn-d:hover{background:#24493F;transform:translateY(-1px)}
.btn-o{border:1.5px solid var(--sand);color:var(--ink-soft);padding:11px 24px;font-size:15px;background:#fff}
.btn-o:hover{border-color:var(--terra);color:var(--terra)}
.btn-lg{padding:15px 34px;font-size:16px;border-radius:12px}
.btn-sm{padding:9px 18px;font-size:13.5px}

.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center}
.burger span{display:block;width:16px;height:1.6px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--ink)}
.burger span::before{top:-5px}.burger span::after{top:5px}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--dark);overflow:hidden;color:#F1E9DE}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.52}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(22,33,31,.94) 0%,rgba(22,33,31,.82) 42%,rgba(22,33,31,.34) 100%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;padding-top:76px;padding-bottom:76px}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.18em;color:var(--terra-soft);font-weight:600;border:1px solid rgba(224,138,95,.4);border-radius:100px;padding:6px 16px}
.hero h1{font-size:58px;line-height:1.22;font-weight:800;letter-spacing:.02em;margin:26px 0 0}
.hero h1 em{font-style:normal;color:var(--terra-soft)}
.hero-sub{margin-top:20px;font-size:16px;color:#A9C3B8;max-width:460px;line-height:1.85}
.hero-pts{margin-top:30px;display:flex;gap:26px;flex-wrap:wrap}
.hero-pts div{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#C4D6CE}
.hero-pts i{width:16px;height:16px;border-radius:50%;background:rgba(224,138,95,.2);display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:10px;color:var(--terra-soft)}
.hero-stats{margin-top:40px;display:flex;gap:44px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:26px}
.hero-stats b{display:block;font-size:30px;font-weight:800;color:#F1E9DE;letter-spacing:.01em;line-height:1.1}
.hero-stats b i{font-style:normal;font-size:15px;font-weight:600;color:var(--terra-soft);margin-left:2px}
.hero-stats span{font-size:12.5px;color:#8FA8A2}

/* 报价表单 */
.quote-form{background:var(--paper);border-radius:var(--r-lg);padding:32px 32px 28px;box-shadow:var(--shadow-lg)}
.qf-head{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.qf-head h3{font-size:22px;font-weight:800;letter-spacing:.02em}
.qf-head .free{font-size:12px;color:#fff;background:var(--terra);border-radius:100px;padding:3px 11px;font-weight:600}
.qf-tip{font-size:12.5px;color:var(--ink-mute);margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--ink-mute);margin-bottom:7px;font-weight:600;letter-spacing:.04em}
.field input,.field select{width:100%;height:48px;border:1.5px solid var(--line);background:var(--cream);border-radius:var(--r-sm);padding:0 14px;font-size:14.5px;transition:all .2s}
.field input:focus,.field select:focus{border-color:var(--terra);background:#fff;box-shadow:0 0 0 3px rgba(200,80,60,.1)}
.field select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%237C8F8A' stroke-width='1.8' fill='none' stroke-linecap='round'/></svg>");background-repeat:no-repeat;background-position:right 14px center}
.field-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.qf-btn{width:100%;margin-top:6px;height:50px;font-size:16px;border-radius:var(--r-sm)}
.qf-note{margin-top:12px;font-size:11.5px;color:var(--ink-mute);text-align:center;line-height:1.6}
.qf-note b{color:var(--ink-soft)}

/* ---------- 通用区块 ---------- */
.sec{padding:92px 0}
.sec.alt{background:var(--cream)}
.sec.tight{padding:70px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 54px}
.sec-head.left{text-align:left;margin-left:0}
.sec-kicker{font-size:12px;letter-spacing:.24em;color:var(--terra);font-weight:700;text-transform:uppercase}
.sec-head h2{font-size:36px;font-weight:800;letter-spacing:.02em;margin:14px 0 0;line-height:1.35}
.sec-head p{margin-top:16px;color:var(--ink-mute);font-size:15px}
.sec-more{text-align:center;margin-top:48px}

/* ---------- 快捷入口 ---------- */
.entries{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:-58px;position:relative;z-index:20}
.entry{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px 14px;text-align:center;box-shadow:var(--shadow-sm);transition:all .26s}
.entry:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--sand)}
.entry .ico{width:46px;height:46px;margin:0 auto 14px;border-radius:13px;background:var(--cream);display:flex;align-items:center;justify-content:center;transition:all .26s}
.entry:hover .ico{background:var(--terra)}
.entry .ico svg{width:23px;height:23px;stroke:var(--terra);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:stroke .26s}
.entry:hover .ico svg{stroke:#fff}
.entry b{display:block;font-size:14.5px;font-weight:600}
.entry span{display:block;font-size:11.5px;color:var(--ink-mute);margin-top:4px}

/* ---------- 报价计算器 ---------- */
.calc{display:grid;grid-template-columns:1.15fr .85fr;gap:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.calc-l{padding:44px 46px}
.calc-l h3{font-size:24px;font-weight:800;margin-bottom:8px}
.calc-l>p{color:var(--ink-mute);font-size:14px;margin-bottom:30px}
.calc-row{margin-bottom:24px}
.calc-row>label{display:block;font-size:13px;font-weight:600;color:var(--ink-soft);margin-bottom:12px;letter-spacing:.03em}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{border:1.5px solid var(--line);background:#fff;border-radius:var(--r-sm);padding:10px 20px;font-size:14px;color:var(--ink-soft);transition:all .2s}
.seg button:hover{border-color:var(--terra-soft);color:var(--terra)}
.seg button.on{background:var(--terra);border-color:var(--terra);color:#fff;font-weight:600;box-shadow:0 6px 16px -8px rgba(200,80,60,.8)}
.area-input{display:flex;align-items:center;gap:14px}
.area-input input[type=range]{flex:1;-webkit-appearance:none;height:4px;border-radius:4px;background:var(--sand);outline:none}
.area-input input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--terra);border:3px solid #fff;box-shadow:0 2px 8px rgba(200,80,60,.5);cursor:pointer}
.area-box{display:flex;align-items:baseline;gap:4px;background:var(--cream);border-radius:var(--r-sm);padding:6px 16px;border:1.5px solid var(--line)}
.area-box input{width:62px;height:34px;border:none;background:none;font-size:19px;font-weight:800;text-align:right;color:var(--terra);padding:0}
.area-box span{font-size:13px;color:var(--ink-mute)}

.calc-r{background:var(--dark);color:#F1E9DE;padding:44px 40px;display:flex;flex-direction:column;justify-content:center}
.calc-r .k{font-size:12px;letter-spacing:.18em;color:#8FA8A2;font-weight:600}
.calc-price{font-size:46px;font-weight:800;letter-spacing:.01em;margin:10px 0 4px;line-height:1.15;color:#F1E9DE}
.calc-price i{font-style:normal;font-size:20px;color:var(--terra-soft);margin-right:4px}
.calc-price s{text-decoration:none;font-size:19px;color:#8FA8A2;font-weight:600;margin:0 4px}
.calc-r .unit{font-size:13px;color:#8FA8A2}
.calc-list{margin-top:28px;border-top:1px solid rgba(255,255,255,.12);padding-top:22px}
.calc-list div{display:flex;justify-content:space-between;font-size:13.5px;padding:8px 0;color:#A9C3B8}
.calc-list div b{color:#F1E9DE;font-weight:600}
.calc-r .btn{width:100%;margin-top:26px}
.calc-note{margin-top:12px;font-size:11.5px;color:#6E8880;line-height:1.6}

/* ---------- 案例 ---------- */
.filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:38px}
.filters button{border:1.5px solid var(--line);background:#fff;border-radius:100px;padding:9px 22px;font-size:14px;color:var(--ink-soft);transition:all .2s}
.filters button:hover{border-color:var(--terra-soft);color:var(--terra)}
.filters button.on{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}

.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:all .3s;cursor:pointer}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--sand)}
.case-img{position:relative;overflow:hidden;aspect-ratio:3/2;background:var(--cream-deep)}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.case:hover .case-img img{transform:scale(1.06)}
.case-tag{position:absolute;left:14px;top:14px;background:rgba(22,33,31,.82);color:#F1E9DE;font-size:12px;border-radius:100px;padding:5px 13px;backdrop-filter:blur(4px);letter-spacing:.04em}
.case-body{padding:22px 22px 24px}
.case-body h3{font-size:17.5px;font-weight:700;letter-spacing:.01em}
.case-meta{margin-top:16px;display:flex;gap:0;border-top:1px dashed var(--line);padding-top:16px}
.case-meta div{flex:1;text-align:center;border-right:1px solid var(--line)}
.case-meta div:last-child{border-right:none}
.case-meta b{display:block;font-size:15px;font-weight:700;color:var(--terra);letter-spacing:.01em}
.case-meta span{font-size:11.5px;color:var(--ink-mute)}

/* ---------- 工艺 ---------- */
.craft{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.craft-img{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.craft-img img{width:100%;aspect-ratio:3/2;object-fit:cover}
.craft-img .badge{position:absolute;left:22px;bottom:22px;background:rgba(255,255,255,.95);border-radius:var(--r);padding:16px 22px;box-shadow:var(--shadow)}
.craft-img .badge b{display:block;font-size:24px;font-weight:800;color:var(--terra);line-height:1.2}
.craft-img .badge span{font-size:12.5px;color:var(--ink-mute)}
.steps{display:flex;flex-direction:column;gap:2px}
.step{display:flex;gap:20px;padding:20px 22px;border-radius:var(--r);transition:all .25s;cursor:default}
.step:hover{background:var(--paper);box-shadow:var(--shadow-sm)}
.step-n{flex:none;width:42px;height:42px;border-radius:12px;background:var(--cream);color:var(--terra);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;transition:all .25s}
.step:hover .step-n{background:var(--terra);color:#fff}
.step h4{font-size:16.5px;font-weight:700;margin-bottom:5px}
.step p{font-size:13.5px;color:var(--ink-mute);line-height:1.75}

/* ---------- 装修流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.flow::before{content:"";position:absolute;left:8%;right:8%;top:32px;height:1.5px;background:repeating-linear-gradient(90deg,var(--sand) 0 8px,transparent 8px 16px)}
.flow-item{text-align:center;position:relative;padding:0 12px}
.flow-n{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;background:var(--paper);border:1.5px solid var(--sand);display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;color:var(--terra);position:relative;z-index:2;transition:all .3s}
.flow-item:hover .flow-n{background:var(--terra);border-color:var(--terra);color:#fff;transform:scale(1.06)}
.flow-item h4{font-size:16px;font-weight:700;margin-bottom:8px}
.flow-item p{font-size:13px;color:var(--ink-mute);line-height:1.7}

/* ---------- 优势 ---------- */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;transition:all .28s}
.why-card:hover{border-color:var(--terra);box-shadow:var(--shadow);transform:translateY(-4px)}
.why-card .num{font-size:40px;font-weight:800;color:var(--terra);line-height:1;letter-spacing:-.01em}
.why-card .num i{font-style:normal;font-size:16px;font-weight:700;margin-left:2px}
.why-card h4{font-size:16px;font-weight:700;margin:18px 0 10px}
.why-card p{font-size:13.5px;color:var(--ink-mute);line-height:1.78}

/* ---------- 评价 ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;position:relative}
.review .quote{font-size:46px;color:var(--sand);line-height:1;font-family:Georgia,serif;position:absolute;right:24px;top:18px}
.review .stars{color:#E0A93F;font-size:13px;letter-spacing:.12em}
.review p{margin-top:14px;font-size:14.5px;color:var(--ink-soft);line-height:1.85;min-height:112px}
.review .who{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);display:flex;align-items:center;gap:12px}
.review .av{width:40px;height:40px;border-radius:50%;background:var(--cream);color:var(--terra);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:none}
.review .who b{display:block;font-size:14px;font-weight:600}
.review .who span{font-size:12px;color:var(--ink-mute)}

/* ---------- 攻略 ---------- */
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.article{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--paper);transition:all .28s;cursor:pointer}
.article:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--sand)}
.article-img{aspect-ratio:16/10;overflow:hidden;background:var(--cream-deep)}
.article-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1)}
.article:hover .article-img img{transform:scale(1.05)}
.article-body{padding:22px 24px 26px}
.article-body .cat{font-size:11.5px;color:var(--terra);letter-spacing:.14em;font-weight:600}
.article-body h3{font-size:16.5px;font-weight:700;margin:10px 0 12px;line-height:1.6}
.article-body p{font-size:13.5px;color:var(--ink-mute);line-height:1.75}
.article-body .meta{margin-top:16px;font-size:12px;color:var(--ink-mute);display:flex;gap:14px}

/* ---------- 底部 CTA ---------- */
.cta{background:var(--ink);color:#F1E9DE;position:relative;overflow:hidden}
.cta .ghost{position:absolute;right:-60px;top:-70px;width:420px;height:420px;opacity:.06}
.cta .ghost svg{width:100%;height:100%}
.cta .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center;padding-top:72px;padding-bottom:72px}
.cta h2{font-size:34px;font-weight:800;letter-spacing:.02em;line-height:1.4}
.cta p{margin-top:14px;color:#A9C3B8;font-size:15px;max-width:520px}
.cta-btns{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.cta .btn-o{border-color:rgba(255,255,255,.28);color:#F1E9DE;background:transparent}
.cta .btn-o:hover{border-color:var(--terra-soft);color:var(--terra-soft)}
.cta-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:30px;width:360px}
.cta-form h4{font-size:17px;font-weight:700;margin-bottom:4px}
.cta-form .s{font-size:12.5px;color:#8FA8A2;margin-bottom:20px}
.cta-form .field input,.cta-form .field select{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#F1E9DE}
.cta-form .field input::placeholder{color:#6E8880}
.cta-form .field label{color:#8FA8A2}
.cta-form .field input:focus,.cta-form .field select:focus{background:rgba(255,255,255,.14);border-color:var(--terra-soft)}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#8FA8A2;font-size:13px;padding:64px 0 0}
.f-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.f-brand .logo{margin-bottom:18px}
.f-brand .logo .logo-zh{color:#F1E9DE}
.f-brand .logo .logo-lat{color:#6E8880}
.f-brand p{font-size:13px;line-height:1.9;max-width:280px}
.f-brand .f-tel{margin-top:20px}
.f-brand .f-tel b{display:block;font-size:24px;font-weight:800;color:#F1E9DE;letter-spacing:.02em}
.f-brand .f-tel span{font-size:12px}
.f-col h4{color:#F1E9DE;font-size:14.5px;font-weight:600;margin-bottom:18px;letter-spacing:.06em}
.f-col li{margin-bottom:11px;font-size:13px}
.f-col a:hover{color:var(--terra-soft)}
.f-qr{text-align:center}
.f-qr .qr{width:104px;height:104px;background:#fff;border-radius:10px;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;padding:8px}
.f-qr .qr svg{width:100%;height:100%}
.f-qr span{font-size:12px}
.f-bottom{padding:22px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:#6E8880}
.f-bottom a:hover{color:#9DBBAF}

/* ---------- 页面头（内页） ---------- */
.page-head{background:var(--dark);color:#F1E9DE;position:relative;overflow:hidden;padding:66px 0 62px}
.page-head .ghost{position:absolute;right:-40px;bottom:-90px;width:340px;height:340px;opacity:.06}
.page-head .ghost svg{width:100%;height:100%}
.page-head .wrap{position:relative;z-index:2}
.crumb{font-size:12.5px;color:#8FA8A2;margin-bottom:16px}
.crumb a:hover{color:var(--terra-soft)}
.crumb i{font-style:normal;margin:0 8px;opacity:.6}
.page-head h1{font-size:40px;font-weight:800;letter-spacing:.03em}
.page-head p{margin-top:14px;color:#A9C3B8;font-size:15px;max-width:620px}

/* ---------- 大案例卡（案例页） ---------- */
.case-lg{display:grid;grid-template-columns:1.02fr .98fr;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin-bottom:26px;transition:all .3s;cursor:pointer}
.case-lg:hover{box-shadow:var(--shadow-lg);border-color:var(--sand)}
.case-lg .case-img{aspect-ratio:auto}
.case-lg .case-img img{height:100%;min-height:360px}
.case-lg-body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center}
.case-lg-body h3{font-size:22px;font-weight:800;letter-spacing:.01em}
.case-lg-body .loc{font-size:13px;color:var(--ink-mute);margin-top:8px;letter-spacing:.04em}
.case-lg-body p.desc{font-size:14px;color:var(--ink-soft);line-height:1.9;margin:18px 0 22px}
.case-lg-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;margin-bottom:20px}
.case-lg-meta div{background:var(--paper);padding:14px 6px;text-align:center}
.case-lg-meta b{display:block;font-size:16px;font-weight:700;color:var(--terra);line-height:1.3}
.case-lg-meta span{font-size:11.5px;color:var(--ink-mute)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips span{font-size:12.5px;background:var(--cream);border:1px solid var(--line);border-radius:8px;padding:5px 13px;color:var(--ink-soft)}
.empty{text-align:center;padding:70px 0;color:var(--ink-mute);font-size:15px}

/* ---------- 标准表格 ---------- */
.std-table{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.std-table table{width:100%;border-collapse:collapse;font-size:14px}
.std-table th{background:var(--dark);color:#F1E9DE;font-weight:600;font-size:13.5px;text-align:left;padding:16px 22px;letter-spacing:.04em}
.std-table td{padding:16px 22px;border-top:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
.std-table tr:nth-child(even) td{background:var(--cream)}
.std-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.std-table td:nth-child(2){color:var(--terra);font-weight:600}

/* ---------- 步骤条（报价页） ---------- */
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.steps3 .s3{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;position:relative;transition:all .28s}
.steps3 .s3:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--sand)}
.steps3 .s3 .n{font-size:13px;font-weight:800;color:#fff;background:var(--terra);border-radius:8px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.steps3 .s3 h4{font-size:17px;font-weight:700;margin-bottom:10px}
.steps3 .s3 p{font-size:13.5px;color:var(--ink-mute);line-height:1.8}

/* ---------- 清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 34px}
.checklist div{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-soft);padding:12px 0;border-bottom:1px dashed var(--line)}
.checklist div i{flex:none;width:19px;height:19px;border-radius:50%;background:var(--terra);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:11px;margin-top:3px}

/* ---------- 常见问题 ---------- */
.faq{max-width:860px;margin:0 auto}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;overflow:hidden}
.faq-q{padding:20px 26px;font-size:16px;font-weight:600;display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:20px}
.faq-q span:last-child{color:var(--terra);font-size:20px;transition:transform .28s;flex:none;line-height:1}
.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{padding:0 26px 22px;font-size:14px;color:var(--ink-mute);line-height:1.95}

/* ---------- 悬浮工具 ---------- */
.float{position:fixed;right:22px;bottom:26px;z-index:200;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.float-btn{width:52px;height:52px;border-radius:15px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .24s;position:relative}
.float-btn:hover{transform:translateY(-3px);border-color:var(--terra)}
.float-btn svg{width:21px;height:21px;stroke:var(--ink);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:stroke .24s}
.float-btn:hover svg{stroke:var(--terra)}
.float-btn .tip{position:absolute;right:64px;white-space:nowrap;background:var(--ink);color:#fff;font-size:12.5px;padding:7px 14px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .2s}
.float-btn:hover .tip{opacity:1}
.float-btn.primary{background:var(--terra);border-color:var(--terra);width:auto;padding:0 20px;height:52px;gap:9px}
.float-btn.primary svg{stroke:#fff}
.float-btn.primary span{color:#fff;font-weight:600;font-size:14.5px}
.float-btn.primary:hover{background:var(--terra-dark);border-color:var(--terra-dark)}
#toTop{opacity:0;pointer-events:none;transition:opacity .3s,transform .24s}
#toTop.show{opacity:1;pointer-events:auto}

/* ---------- 提示条 ---------- */
.toast{position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:14px 28px;border-radius:12px;font-size:14.5px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:all .35s;z-index:999;display:flex;align-items:center;gap:10px}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast i{font-style:normal;color:#7ED0A8;font-size:16px}

/* ---------- 动画 ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero .wrap{grid-template-columns:1fr;gap:44px}
  .hero h1{font-size:46px}
  .entries{grid-template-columns:repeat(3,1fr);margin-top:-40px}
  .cases,.articles,.reviews,.why{grid-template-columns:repeat(2,1fr)}
  .calc{grid-template-columns:1fr}
  .craft{grid-template-columns:1fr;gap:36px}
  .flow{grid-template-columns:repeat(3,1fr);gap:34px 0}
  .flow::before{display:none}
  .cta .wrap{grid-template-columns:1fr}
  .cta-form{width:100%}
  .f-top{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav{display:none}
  .header .wrap{gap:16px;height:66px}
  .hd-tel{display:none}
  .burger{display:flex}
  .topbar{display:none}
  .hero h1{font-size:36px}
  .hero .wrap{padding-top:52px;padding-bottom:56px}
  .sec{padding:62px 0}
  .sec-head h2{font-size:27px}
  .cases,.articles,.reviews,.why,.entries{grid-template-columns:1fr}
  .entries{margin-top:-24px;gap:12px}
  .entry{padding:18px 14px;display:flex;align-items:center;gap:14px;text-align:left}
  .entry .ico{margin:0;width:40px;height:40px}
  .flow{grid-template-columns:1fr;gap:0}
  .flow-item{display:flex;gap:18px;text-align:left;padding:16px 0}
  .flow-n{margin:0;width:52px;height:52px;flex:none;font-size:16px}
  .calc-l{padding:30px 24px}
  .calc-r{padding:34px 24px}
  .calc-price{font-size:36px}
  .float{right:14px;bottom:16px}
}

/* 移动端菜单 */
.mobile-nav{position:fixed;inset:0;background:var(--paper);z-index:300;padding:24px 28px;display:none;flex-direction:column}
.mobile-nav.open{display:flex}
.mn-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:34px}
.mn-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink-mute)}
.mobile-nav a{font-size:19px;font-weight:600;padding:18px 0;border-bottom:1px solid var(--line)}
.mobile-nav a.on{color:var(--terra)}
.mobile-nav .btn{margin-top:28px}

/* ---------- 内页响应式补充 ---------- */
@media (max-width:1080px){
  .steps3{grid-template-columns:1fr}
  .case-lg{grid-template-columns:1fr}
  .case-lg .case-img img{min-height:280px}
}
@media (max-width:820px){
  .case-lg-body{padding:26px 24px}
  .case-lg-body h3{font-size:19px}
  .case-lg-meta{grid-template-columns:repeat(2,1fr)}
  .checklist{grid-template-columns:1fr;gap:0}
  .std-table{overflow-x:auto}
  .std-table table{min-width:640px}
  .std-table th,.std-table td{padding:13px 16px}
  .faq-q{font-size:15px;padding:17px 20px}
  .faq-a p{padding:0 20px 20px}
}

/* ---------- 电话拨号链接（跟随父级样式，不做蓝链） ---------- */
a[href^="tel:"]{color:inherit;text-decoration:none;cursor:pointer}
a[href^="tel:"]:hover{opacity:.82}