/* ============================================================
   老域名回收网 · 前台样式（科技极简主题）
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Inter:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root{
  --ink:#18150f; --navy:#14233f; --gold:#b58a3c; --gold-dark:#8d6828;
  --muted:#7b746a; --paper:#faf8f3; --surface:#f0ece3; --line:#e3dfd7;
  --blue:#2e76c7; --blue-soft:#eef5ff; --white:#fff;
  --serif:'Noto Serif SC',Georgia,serif;
  --sans:'DM Sans','PingFang SC','Microsoft YaHei',sans-serif;
}

/* 老域名回收网 · 科技极简前台主题 */
:root{
  --canvas:#eff1f5;--world:#0f172a;--accent:#1e40ff;--ink:#0f172a;
  --muted:#64748b;--line:rgba(15,23,42,.11);--paper:#eff1f5;--surface:#fff;
  --gold:var(--accent);--gold-dark:#1836d9;--serif:'Space Grotesk','PingFang SC','Microsoft YaHei',sans-serif;
  --sans:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
}
body{background:var(--canvas);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55}
.container{width:min(1180px,calc(100% - 48px));max-width:1180px}
.front-header{background:rgba(239,241,245,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.front-nav{height:68px;gap:24px}
.front-brand{font-family:var(--serif);font-size:20px;font-weight:700;gap:9px;color:var(--ink)}
.front-brand-mark{width:30px;height:30px;background:var(--accent);border-radius:8px;font-family:var(--sans);font-size:14px}
.front-brand em{color:var(--accent)}
.front-nav-links{gap:4px;color:var(--muted);font-size:13px}
.front-nav-links a{padding:8px 13px;border-radius:8px}
.front-nav-links a::after{display:none}
.front-nav-links a:hover,.front-nav-links a.active{color:var(--ink);background:rgba(15,23,42,.06)}
.nav-cta{min-height:38px;padding:0 17px;background:var(--accent);border-radius:8px;font-size:13px}
.nav-cta:hover{background:#1836d9}
.front-menu{color:var(--ink)}
.btn{min-height:42px;padding:0 19px;border-radius:8px;font-size:13px}
.btn-primary{background:var(--accent)}
.btn-primary:hover{background:#1836d9}
.btn-dark{background:var(--world)}
.btn-light{color:var(--accent);background:#fff;border-color:var(--line)}
.btn-light:hover{color:var(--ink);border-color:var(--accent);background:#fff}
.sm-hero{padding:88px 24px 72px;background:var(--canvas);text-align:center;position:relative;overflow:hidden}
.sm-hero-inner{max-width:960px;margin:0 auto}
.sm-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;box-shadow:0 2px 8px rgba(15,23,42,.04)}
.sm-badge i{width:6px;height:6px;background:#22c55e;border-radius:50%;display:block}
.sm-hero h1{margin:27px 0 22px;font:700 clamp(40px,6vw,72px)/1.06 var(--serif);letter-spacing:-.04em}
.sm-hero h1 span{color:var(--accent)}
.sm-hero p{max-width:590px;margin:0 auto 34px;color:var(--muted);font-size:16px;line-height:1.8}
.sm-search{display:flex;max-width:630px;margin:0 auto;padding:5px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 26px rgba(15,23,42,.08)}
.sm-search input{flex:1;min-width:0;padding:13px 17px;border:0;outline:0;background:transparent;color:var(--ink);font-size:14px}
.sm-search button{padding:13px 22px;background:var(--accent);color:#fff;border-radius:8px;font-size:13px;font-weight:700}
.sm-search button:hover{background:#1836d9}
.sm-trust{display:flex;justify-content:center;gap:46px;margin-top:48px;flex-wrap:wrap}
.sm-trust div{text-align:center;min-width:86px}
.sm-trust strong{display:block;font:700 25px/1.1 var(--sans);letter-spacing:-.03em}
.sm-trust span{display:block;margin-top:5px;color:var(--muted);font-size:11px}
.sm-section{max-width:1280px;margin:0 auto;padding:72px clamp(24px,5vw,80px)}
.sm-section-head{position:relative;margin-bottom:38px}
.sm-section-head.centered{text-align:center}
.sm-eyebrow{font:600 11px/1 var(--sans);color:var(--accent);letter-spacing:.12em}
.sm-section-head h2{margin:12px 0 0;font:700 clamp(28px,3.5vw,44px)/1.12 var(--serif);letter-spacing:-.035em}
.sm-outline-btn{position:absolute;right:0;bottom:2px;padding:9px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--accent);font-size:12px;font-weight:600}
.sm-outline-btn:hover{border-color:var(--accent);color:var(--ink)}
.sm-service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.sm-service-card{position:relative;display:block;min-height:210px;padding:30px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:transform .25s,box-shadow .25s,border-color .25s}
.sm-service-card:hover{transform:translateY(-3px);border-color:rgba(30,64,255,.35);box-shadow:0 14px 35px rgba(15,23,42,.09)}
.sm-service-icon{display:grid;place-items:center;width:48px;height:48px;margin-bottom:20px;border-radius:10px;background:rgba(30,64,255,.09);color:var(--accent)}
.sm-service-card h3{margin:0 0 9px;font:600 20px/1.25 var(--serif)}
.sm-service-card p{max-width:420px;margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.sm-arrow{position:absolute;right:28px;bottom:25px;color:var(--muted);font-size:21px;transition:transform .2s,color .2s}
.sm-service-card:hover .sm-arrow{color:var(--accent);transform:translateX(4px)}
.sm-lots{max-width:none;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sm-lots .sm-section-head,.sm-lots .sm-lot-grid{max-width:1120px;margin-left:auto;margin-right:auto}
.sm-lot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sm-lot-card{display:block;padding:22px;background:var(--canvas);border:1px solid var(--line);border-radius:10px;transition:border-color .2s,box-shadow .2s,transform .2s}
.sm-lot-card:hover{border-color:rgba(30,64,255,.35);box-shadow:0 8px 24px rgba(15,23,42,.07);transform:translateY(-2px)}
.sm-lot-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;color:var(--accent);font-size:11px}
.sm-lot-top span{padding:4px 9px;background:rgba(30,64,255,.1);border-radius:6px;font-weight:700;letter-spacing:.08em}
.sm-lot-top b{color:var(--muted);font-size:11px;font-weight:500}
.sm-domain{font:700 22px/1.2 var(--serif);letter-spacing:-.02em}
.sm-lot-desc{min-height:42px;margin-top:7px;color:var(--muted);font-size:12px;line-height:1.7}
.sm-lot-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.sm-lot-bottom strong{font:700 18px/1 var(--sans)}
.sm-lot-bottom span{color:var(--muted);font-size:10px;text-align:right}
.sm-process{max-width:1000px}
.sm-process-list{position:relative;margin-top:38px}
.sm-process-list:before{content:'';position:absolute;left:27px;top:11px;bottom:11px;width:2px;background:var(--line)}
.sm-process-step{position:relative;display:flex;gap:26px;padding:20px 0}
.sm-process-step>span{position:relative;z-index:1;display:grid;place-items:center;width:56px;height:56px;flex:none;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--accent);font:700 16px/1 var(--sans)}
.sm-process-step h3{margin:6px 0 7px;font:600 18px/1.25 var(--serif)}
.sm-process-step p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.sm-calc{padding:72px clamp(24px,5vw,80px);background:var(--world);color:#fff}
.sm-calc-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
.sm-calc .sm-eyebrow{color:rgba(255,255,255,.5)}
.sm-calc h2{margin:16px 0 18px;font:700 clamp(29px,3.5vw,45px)/1.15 var(--serif);letter-spacing:-.03em}
.sm-calc p{max-width:400px;margin:0;color:rgba(255,255,255,.58);font-size:14px;line-height:1.8}
.sm-calc-box{padding:28px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:12px}
.sm-calc-box label{display:block;margin-bottom:10px;color:rgba(255,255,255,.5);font:600 11px/1 var(--sans);letter-spacing:.12em}
.sm-calc-input{display:flex;gap:8px}
.sm-calc-input input{flex:1;min-width:0;padding:13px 14px;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:8px;outline:0;font:14px var(--sans)}
.sm-calc-input input:focus{border-color:var(--accent)}
.sm-calc-input button{padding:0 18px;background:var(--accent);color:#fff;border-radius:8px;font-size:12px;font-weight:700}
.sm-calc-note{display:flex;justify-content:space-between;gap:8px;margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.5);font-size:11px}
.sm-market{max-width:1280px}
.sm-market-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.sm-market-grid>div{padding:20px;background:#fff;border:1px solid var(--line);border-radius:10px}
.sm-market-grid span,.sm-market-grid em{display:block;color:var(--muted);font-size:11px;font-style:normal}
.sm-market-grid strong{display:block;margin:12px 0 8px;font:700 25px/1 var(--sans);letter-spacing:-.03em}
.sm-articles{max-width:1280px;padding-top:30px}
.sm-article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sm-article-card{display:flex;flex-direction:column;min-height:230px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:10px}
.sm-article-meta{color:var(--accent);font-size:11px}
.sm-article-card h3{margin:19px 0 9px;font:600 19px/1.35 var(--serif)}
.sm-article-card h3 a:hover{color:var(--accent)}
.sm-article-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.sm-read{margin-top:auto;padding-top:16px;color:var(--accent);font-size:12px;font-weight:700}
.sm-cta{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:48px max(24px,calc((100% - 1120px)/2));background:var(--world);color:#fff}
.sm-cta h2{margin:0 0 7px;font:700 clamp(23px,2.8vw,34px)/1.2 var(--serif)}
.sm-cta p{margin:0;color:rgba(255,255,255,.56);font-size:13px}
.sm-primary-btn{min-height:44px;padding:0 20px;background:var(--accent);color:#fff;border-radius:8px;font-size:13px;font-weight:700;white-space:nowrap}
.sm-primary-btn:hover{background:#4b65ff}
/* 旧页面组件统一到新主题 */
.page-hero{padding:54px clamp(24px,5vw,80px);background:#fff;border-bottom:1px solid var(--line)}
.page-hero .container{max-width:1120px}
.page-hero h1{margin:14px 0 12px;font:700 clamp(32px,4.5vw,54px)/1.1 var(--serif);letter-spacing:-.035em}
.page-hero p{max-width:700px;font-size:15px;line-height:1.8}
.front-section{padding:72px clamp(24px,5vw,80px);border-top:1px solid var(--line)}
.front-section.alt{background:#fff}
.front-section-head h2{font:700 clamp(28px,3.5vw,44px)/1.12 var(--serif);letter-spacing:-.035em}
.front-service-grid{gap:18px;border:0}
.front-service{padding:28px;background:#fff;border:1px solid var(--line);border-radius:10px;min-height:200px}
.front-service:hover{background:#fff;border-color:rgba(30,64,255,.35);box-shadow:0 12px 30px rgba(15,23,42,.08)}
.front-service .num{color:var(--accent)}
.front-service h3{margin:25px 0 9px;font:600 19px/1.25 var(--serif)}
.front-service p,.case p,.article-card p{font-size:13px;line-height:1.75}
.case,.article-card,.service-detail,.step-card,.guarantee,.dim-item,.price-table-wrap,.contact-card{background:#fff;border-color:var(--line);border-radius:10px}
.case h3,.article-card h3{font:600 20px/1.3 var(--serif)}
.case-top,.article-meta,.article-kicker{color:var(--accent);font-size:11px}
.filter-chip{border-radius:8px;background:#fff;padding:8px 14px}
.filter-chip.active,.filter-chip:hover{background:var(--accent);border-color:var(--accent)}
.search-box{border-radius:8px}
.breadcrumb-bar{background:#fff;border-color:var(--line)}
.article-page{padding:38px 0 58px}
.article-head h1{font-size:clamp(28px,3.8vw,44px)}
.rich-content{font-size:17px;line-height:1.9}
.article-tail-cta{background:#fff;border:1px solid var(--line);border-radius:10px}
.front-footer{background:var(--world);color:rgba(255,255,255,.72)}
.front-footer h4{color:#fff}
.front-footer a:not(.front-brand){color:rgba(255,255,255,.5)}
.front-footer a:not(.front-brand):hover{color:#fff}
.front-footer-bottom{border-color:rgba(255,255,255,.1)}
.front-brand.light{color:#fff}
.front-brand.light .front-brand-mark{background:var(--accent)}
.service-fab{background:var(--accent);box-shadow:0 10px 25px rgba(30,64,255,.26)}
.service-fab:hover{background:#1836d9}
.service-panel{border-color:var(--line);border-radius:12px;box-shadow:0 18px 42px rgba(15,23,42,.18)}
.service-action{border-color:var(--line);border-radius:8px;background:#f8fafc}
.service-action:hover{border-color:rgba(30,64,255,.35);background:#f1f4ff}
.copy-toast{background:rgba(15,23,42,.95)}
@media(max-width:960px){
  .sm-lot-grid,.sm-article-grid{grid-template-columns:repeat(2,1fr)}
  .sm-calc-inner{grid-template-columns:1fr;gap:34px}
  .sm-market-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
  .container{width:calc(100% - 32px)}
  .sm-hero{padding:58px 16px 48px}
  .sm-hero h1{font-size:clamp(38px,12vw,54px)}
  .sm-search{display:block;padding:6px;border-radius:10px}
  .sm-search input{width:100%;padding:12px 13px}
  .sm-search button{width:100%;padding:12px}
  .sm-trust{gap:23px;margin-top:36px}
  .sm-trust strong{font-size:21px}
  .sm-section{padding:54px 16px}
  .sm-section-head{margin-bottom:27px}
  .sm-section-head h2{font-size:30px}
  .sm-outline-btn{position:static;display:inline-flex;margin-top:14px}
  .sm-service-grid,.sm-lot-grid,.sm-article-grid{grid-template-columns:1fr}
  .sm-service-card{min-height:190px;padding:25px}
  .sm-lots .sm-section-head,.sm-lots .sm-lot-grid{max-width:none}
  .sm-process-step{gap:17px}
  .sm-process-step>span{width:48px;height:48px}
  .sm-calc{padding:54px 16px}
  .sm-calc-input{display:block}
  .sm-calc-input input{width:100%;height:44px}
  .sm-calc-input button{width:100%;height:44px;margin-top:8px}
  .sm-calc-note{display:block}
  .sm-calc-note span{display:inline-block;margin:0 12px 5px 0}
  .sm-market-grid{grid-template-columns:1fr 1fr}
  .sm-cta{display:block;padding:38px 16px;text-align:center}
  .sm-primary-btn{margin-top:18px}
  .page-hero{padding:42px 16px}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer;border:0}
img{max-width:100%;height:auto}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.container.narrow{max-width:1180px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--gold-dark);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--gold)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:5px;font-size:14px;font-weight:700;transition:.2s;cursor:pointer}
.btn-primary{color:#fff;background:var(--gold)}
.btn-primary:hover{background:var(--gold-dark);transform:translateY(-1px)}
.btn-dark{color:#fff;background:var(--ink)}
.btn-dark:hover{background:#3b3024}
.btn-light{color:#244f80;background:#fff;border-color:#cbd9ed}
.btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}

/* 顶部导航 */
.front-header{position:sticky;top:0;z-index:30;background:rgba(250,248,243,.94);border-bottom:1px solid rgba(24,21,15,.12);backdrop-filter:blur(14px)}
.front-nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.front-brand{display:inline-flex;align-items:center;gap:10px;font:700 20px/1 var(--serif);white-space:nowrap}
.front-brand-mark{display:grid;place-items:center;width:32px;height:32px;color:#fff;background:var(--ink);font:700 14px/1 var(--serif)}
.front-brand em{color:var(--gold-dark);font-style:normal}
.front-brand.light .front-brand-mark{background:var(--gold)}
.front-nav-links{display:flex;align-items:center;gap:26px;color:var(--muted);font-size:14px}
.front-nav-links a{position:relative;padding:26px 0}
.front-nav-links a::after{content:'';position:absolute;right:100%;bottom:17px;left:0;height:1px;background:var(--gold);transition:.2s}
.front-nav-links a:hover,.front-nav-links a.active{color:var(--ink)}
.front-nav-links a:hover::after,.front-nav-links a.active::after{right:0}
.nav-cta{min-height:40px;padding:0 18px;color:#fff;background:var(--gold);border-radius:5px;font-size:13px;font-weight:700}
.nav-cta:hover{background:var(--gold-dark)}
.front-menu{display:none;background:transparent;color:var(--ink)}

/* Hero */
.front-hero{padding:76px 0 82px;background:var(--surface);border-bottom:1px solid var(--line)}
.front-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:68px}
.front-hero h1{margin:18px 0 20px;font:800 clamp(38px,5.4vw,68px)/1.08 var(--serif);letter-spacing:-.04em}
.front-hero h1 span{color:var(--gold-dark)}
.front-copy{max-width:540px;color:var(--muted);font-size:16px}
.front-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.front-trust{display:grid;grid-template-columns:repeat(3,1fr);max-width:580px;margin-top:46px;border-top:1px solid var(--line)}
.front-trust div{padding:15px 16px 0 0;border-right:1px solid var(--line)}
.front-trust div+div{padding-left:16px}
.front-trust div:last-child{border-right:0}
.front-trust strong{display:block;margin-bottom:3px;font-size:14px}
.front-trust span{color:var(--muted);font-size:12px}
.front-panel{padding:29px;background:#fffdf9;border:1px solid var(--line);box-shadow:15px 16px 0 rgba(181,138,60,.16)}
.front-panel-top{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;padding-bottom:17px;border-bottom:1px solid var(--line);color:var(--muted);font-size:11px;letter-spacing:.11em;text-transform:uppercase}
.panel-live{display:inline-flex;align-items:center;gap:6px;color:#3f765d;letter-spacing:0;text-transform:none}
.panel-live i{width:6px;height:6px;border-radius:50%;background:#3f765d}
.front-panel h2{margin:22px 0 8px;font:700 26px/1.25 var(--serif)}
.front-panel p{margin:0;color:var(--muted);font-size:13px}
.hero-channels{display:grid;gap:10px;margin-top:18px}
.hero-channel{display:block;width:100%;text-align:left;padding:13px 15px;background:var(--paper);border:1px solid var(--line);border-radius:6px;transition:.2s}
.hero-channel:hover{border-color:var(--gold);background:#f8f4eb}
.hero-channel strong{display:block;font-size:14px;color:var(--ink)}
.hero-channel span{font-size:12px;color:var(--muted)}
.front-panel-foot{display:flex;justify-content:space-between;gap:12px;margin-top:16px;color:var(--muted);font-size:11px}

/* 通用区块 */
.front-section{padding:84px 0;border-top:1px solid var(--line)}
.front-section.alt{background:var(--surface)}
.front-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.front-section-head h2{margin:12px 0 0;font:700 clamp(27px,3vw,42px)/1.16 var(--serif);letter-spacing:-.03em}
.front-section-head p{max-width:380px;margin:0;color:var(--muted);font-size:14px}
.center-cta{text-align:center;margin-top:44px}

/* 内页页头 */
.page-hero{padding:64px 0 56px;background:var(--surface);border-bottom:1px solid var(--line)}
.page-hero h1{margin:14px 0 14px;font:800 clamp(32px,4.4vw,52px)/1.1 var(--serif)}
.page-hero p{max-width:720px;margin:0;color:var(--muted);font-size:16px}
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}
.breadcrumb-bar .container{padding-top:8px;padding-bottom:8px}
.breadcrumb-bar a{color:var(--gold-dark)}
.breadcrumb-bar span{color:var(--ink)}

/* 服务卡片 */
.front-service-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.front-service{min-height:210px;padding:27px 23px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.2s;background:#fffdf9}
.front-service:hover{background:#f8f4eb}
.front-service .num{color:var(--gold-dark);font:600 15px/1 var(--serif)}
.front-service h3{margin:30px 0 10px;font:700 21px/1.2 var(--serif)}
.front-service p{margin:0;color:var(--muted);font-size:13px}

/* 估价维度 */
.dim-list{display:grid;gap:14px}
.dim-item{display:flex;gap:22px;padding:24px 26px;background:#fffdf9;border:1px solid var(--line);border-radius:8px}
.dim-num{font:700 30px/1 var(--serif);color:var(--gold);flex:none}
.dim-item h3{margin:0 0 8px;font:700 19px/1.3 var(--serif)}
.dim-item p{margin:0;color:var(--muted);font-size:14px}

/* 价格表 */
.price-table-wrap{overflow-x:auto;background:#fffdf9;border:1px solid var(--line)}
.price-table{width:100%;border-collapse:collapse;min-width:640px}
.price-table th{padding:14px 18px;text-align:left;background:#f6f1e6;color:#5c4321;font-size:13px;border-bottom:1px solid var(--line)}
.price-table td{padding:14px 18px;font-size:14px;border-bottom:1px solid var(--line)}
.price-table tr:last-child td{border-bottom:0}
.price-table td:first-child{font-weight:700}

/* 步骤 */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step-card{position:relative;padding:26px 22px;background:#fffdf9;border:1px solid var(--line);border-radius:8px}
.step-card span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--gold);color:#fff;font:700 17px/1 var(--serif);margin-bottom:16px}
.step-card h3{margin:0 0 8px;font:700 17px/1.3 var(--serif)}
.step-card p{margin:0;color:var(--muted);font-size:13px}

/* FAQ */
.faq-list{display:grid;gap:10px}
.faq-list details{background:#fffdf9;border:1px solid var(--line);border-radius:8px;padding:16px 20px}
.faq-list summary{cursor:pointer;font-weight:700;font-size:15px;list-style:none;position:relative;padding-right:26px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';position:absolute;right:4px;top:0;color:var(--gold-dark);font-size:20px}
.faq-list details[open] summary::after{content:'−'}
.faq-list p{margin:12px 0 0;color:var(--muted);font-size:14px}

/* 服务详情 */
.service-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.service-detail{padding:28px;background:#fffdf9;border:1px solid var(--line);border-radius:8px}
.service-detail h3{margin:0 0 10px;font:700 22px/1.2 var(--serif)}
.service-detail p{margin:0 0 12px;color:var(--muted);font-size:14px}
.service-detail ul{margin:0;padding-left:18px;color:var(--muted);font-size:13px}
.service-detail li{margin-bottom:6px}
.flow-line{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.flow-step{padding:22px 18px;background:#fffdf9;border:1px solid var(--line);margin-right:-1px;text-align:center}
.flow-step span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;border:2px solid var(--gold);color:var(--gold-dark);font-weight:700;margin-bottom:10px}
.flow-step strong{display:block;font:700 15px/1.3 var(--serif);margin-bottom:6px}
.flow-step p{margin:0;font-size:12px;color:var(--muted)}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.guarantee{padding:22px;background:#fffdf9;border:1px solid var(--line);border-radius:8px}
.guarantee h3{margin:0 0 8px;font:700 16px/1.3 var(--serif)}
.guarantee p{margin:0;color:var(--muted);font-size:13px}

/* 案例 / 文章卡片 */
.case-grid,.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.case,.article-card{padding:24px;background:#fffdf9;border:1px solid var(--line)}
.case-top,.article-meta{color:var(--gold-dark);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.case h3,.article-card h3{margin:20px 0 9px;font:700 22px/1.25 var(--serif)}
.article-card-title{display:block;color:inherit}
.article-card-title:hover{color:var(--gold-dark)}
.case p,.article-card p{margin:0;color:var(--muted);font-size:14px}
.case-foot{display:flex;justify-content:space-between;margin-top:20px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.article-card{display:flex;flex-direction:column;min-height:230px}
.article-card h3{font-size:21px}
.article-card a{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:18px;color:var(--gold-dark);font-size:14px;font-weight:700}
.case-link{cursor:pointer;transition:.2s}
.case-link:hover{border-color:var(--gold);transform:translateY(-2px)}
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px}
.filter-chip{padding:8px 18px;border:1px solid var(--line);border-radius:20px;background:#fffdf9;font-size:13px;color:var(--muted)}
.filter-chip.active,.filter-chip:hover{color:#fff;background:var(--gold);border-color:var(--gold)}
.search-box{margin-left:auto;display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.search-box input{height:40px;border:0;padding:0 14px;outline:0;min-width:200px;background:transparent}
.search-box button{padding:0 20px;background:var(--ink);color:#fff;font-size:13px}
.empty-block{padding:70px 20px;text-align:center;color:var(--muted);background:#fffdf9;border:1px dashed var(--line);border-radius:8px}

/* 文章详情 */
.article-page{padding:24px 0 48px}
.article-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:30px}
.article-kicker{color:var(--gold-dark);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.article-head h1{margin:12px 0;font:800 clamp(26px,3.1vw,38px)/1.25 var(--serif);overflow-wrap:anywhere}
.article-meta-line{color:var(--muted);font-size:13px}
.article-meta-line strong{color:var(--gold-dark)}
.article-summary{margin-top:16px;padding:14px 18px;background:var(--surface);border-left:3px solid var(--gold);color:#5c554b;font-size:14px;border-radius:0 6px 6px 0}
.rich-content{max-width:100%;min-width:0;font-size:17px;line-height:1.85;color:#2b2720;overflow-wrap:anywhere;word-break:break-word}
.rich-content h2{font:700 24px/1.4 var(--serif);margin:32px 0 12px;overflow-wrap:anywhere}
.rich-content h3{font:700 20px/1.4 var(--serif);margin:26px 0 10px;overflow-wrap:anywhere}
.rich-content p{margin:0 0 16px}
.rich-content ul,.rich-content ol{padding-left:24px;margin:0 0 16px}
.rich-content li{margin-bottom:8px}
.rich-content img{display:block;max-width:100%;height:auto;border-radius:8px;margin:10px 0}
.rich-content blockquote{margin:22px 0;padding:16px 22px;background:var(--surface);border-left:3px solid var(--gold);color:#5c554b;border-radius:0 6px 6px 0}
.rich-content table{border-collapse:collapse;width:100%;margin:16px 0}
.rich-content th,.rich-content td{border:1px solid var(--line);padding:10px 14px;font-size:14px}
.rich-content th{background:#f6f1e6}
.rich-content a{color:var(--gold-dark);text-decoration:underline}
.article-tail-cta{margin:32px 0;padding:24px;text-align:center;background:var(--surface);border-radius:10px}
.article-tail-cta p{margin:0 0 14px;font-weight:700;font-size:15px}
.article-actions{display:flex;gap:12px;margin-top:30px}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px;border-top:1px solid var(--line);padding-top:26px}
.pn-item{padding:16px 18px;background:#fffdf9;border:1px solid var(--line);border-radius:8px}
.pn-item span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.pn-item strong{font:700 14px/1.4 var(--serif)}
.pn-item.right{text-align:right}
.pn-item.disabled{opacity:.6}

/* CTA 横幅 */
.cta-band{background:var(--ink);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-inner h2{margin:0 0 8px;font:700 clamp(24px,2.6vw,34px)/1.2 var(--serif)}
.cta-inner p{margin:0;color:#b7aea1}

/* 关于 */
.about-block h2{font:700 26px/1.3 var(--serif);margin:40px 0 16px}
.about-block>p{color:var(--muted);font-size:15px}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px}
.contact-card{display:block;text-align:left;padding:22px;background:#fffdf9;border:1px solid var(--line);border-radius:8px;transition:.2s}
.contact-card:hover{border-color:var(--gold)}
.contact-card strong{display:block;font:700 17px/1.3 var(--serif);margin-bottom:6px}
.contact-card span{color:var(--muted);font-size:13px}

/* 分页 */
.pager{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:40px}
.pager a,.pager .current{min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fffdf9;border-radius:6px;font-size:13px}
.pager .current{background:var(--gold);color:#fff;border-color:var(--gold)}
.pager a:hover{border-color:var(--gold);color:var(--gold-dark)}
.pager-dots{display:inline-flex;align-items:center;padding:0 4px;color:var(--muted)}

/* 404 */
.page-404{text-align:center;padding:90px 0}
.page-404 h1{font:800 88px/1 var(--serif);color:var(--gold);margin:0 0 10px}
.page-404 p{color:var(--muted);margin:0 0 24px}

/* 页脚 */
.front-footer{padding:52px 0 23px;color:#fff;background:var(--ink)}
.front-footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:30px;padding-bottom:38px}
.front-footer-intro{max-width:300px;color:#a79d90;font-size:13px}
.front-footer h4{margin:0 0 14px;color:#d8b46a;font-size:11px;letter-spacing:.15em;text-transform:uppercase}
.front-footer a:not(.front-brand){display:block;margin-bottom:9px;color:#b9b0a4;font-size:13px}
.front-footer a:not(.front-brand):hover{color:#fff}
.front-footer-bottom{display:flex;justify-content:space-between;gap:16px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);color:#898075;font-size:12px}

/* 客服浮窗 */
.service-fab{position:fixed;right:23px;bottom:23px;z-index:42;display:grid;place-items:center;width:54px;height:54px;color:#fff;background:var(--blue);border-radius:50%;box-shadow:0 11px 27px rgba(18,49,87,.27)}
.service-fab:hover{background:#215fa7}
.service-panel{position:fixed;right:23px;bottom:89px;z-index:41;width:310px;padding:20px;background:#fff;border:1px solid #d9e0eb;border-radius:10px;box-shadow:0 16px 38px rgba(21,34,58,.18);opacity:0;transform:translateY(10px);pointer-events:none;transition:.22s}
.service-panel.open{opacity:1;transform:translateY(0);pointer-events:auto}
.service-panel-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;padding-bottom:14px;border-bottom:1px solid #e8ecf1}
.service-panel-head strong{display:block;font:700 18px/1.25 var(--serif);color:var(--navy)}
.service-panel-head span{display:block;margin-top:4px;color:#7b8797;font-size:12px}
.service-close{background:transparent;color:#7b8797}
.service-online{display:flex;align-items:center;gap:7px;margin:13px 0;color:#3f765d;font-size:12px}
.service-online i{width:7px;height:7px;border-radius:50%;background:#3f765d}
.service-actions{display:grid;gap:9px}
.service-action{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 13px;color:var(--navy);background:#f7f9fc;border:1px solid #e2e8f1;border-radius:6px;text-align:left;transition:.2s;cursor:pointer;width:100%}
.service-action:hover{border-color:#a7c5e9;background:var(--blue-soft)}
.service-action-main{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.service-action-main>span:last-child{min-width:0;flex:1}
.action-icon{display:grid;place-items:center;width:32px;height:32px;color:#fff;border-radius:50%;flex:none}
.qq-icon{background:#1297c9}
.wx-icon{background:#21a56f}
.wc-icon{background:#3b6fb6}
.service-action strong{display:block;line-height:1.3}
.service-action small{display:block;color:#8b96a5;font-size:10px;line-height:1.35}
.service-id{flex:none;align-self:flex-end;margin:0 0 2px auto;font-size:12px;line-height:1.35;color:var(--gold-dark);font-weight:700;white-space:nowrap}
.service-foot{margin-top:13px;padding-top:12px;border-top:1px solid #eef1f5;color:#9aa5b3;font-size:11px;line-height:1.6}
.copy-toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);z-index:60;background:rgba(20,35,63,.94);color:#fff;padding:11px 20px;border-radius:6px;font-size:13px;opacity:0;pointer-events:none;transition:.22s}
.copy-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 响应式 */
@media (max-width:960px){
  .front-hero-grid{grid-template-columns:1fr;gap:42px}
  .front-service-grid,.step-grid,.guarantee-grid{grid-template-columns:1fr 1fr}
  .case-grid,.article-grid{grid-template-columns:1fr 1fr}
  .service-detail-grid{grid-template-columns:1fr}
  .flow-line{grid-template-columns:1fr 1fr;gap:10px}
  .flow-step{margin-right:0;border-radius:8px}
  .contact-cards{grid-template-columns:1fr}
  .front-footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:700px){
  .container{width:calc(100% - 32px)}
  .front-nav{height:66px}
  .front-nav-links{position:absolute;top:66px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:9px 16px 14px;background:var(--paper);border-bottom:1px solid var(--line)}
  .front-nav-links.open{display:flex}
  .front-nav-links a{padding:12px 0}
  .front-nav-links a::after{display:none}
  .nav-cta{display:none}
  .front-menu{display:inline-flex}
  .front-hero{padding:48px 0 58px}
  .front-section{padding:60px 0}
  .front-service-grid,.case-grid,.article-grid,.step-grid,.guarantee-grid{grid-template-columns:1fr}
  .front-section-head{display:block;margin-bottom:28px}
  .front-section-head p{margin-top:12px}
  .front-trust{grid-template-columns:1fr;border-top:0}
  .front-trust div{border-right:0;border-bottom:1px solid var(--line);padding:12px 0}
  .front-trust div+div{padding-left:0}
  .search-box{margin-left:0;width:100%}
  .search-box input{flex:1;min-width:0}
  .prev-next{grid-template-columns:1fr}
  .pn-item.right{text-align:left}
  .article-actions{flex-direction:column}
  .article-page{padding:20px 0 36px}
  .article-head{padding-bottom:20px;margin-bottom:22px}
  .article-head h1{margin:9px 0;font-size:clamp(24px,7.8vw,32px);line-height:1.3}
  .article-summary{margin-top:12px;padding:12px 14px;font-size:14px}
  .rich-content{font-size:16px;line-height:1.82}
  .rich-content h2{font-size:22px;margin:26px 0 10px}
  .rich-content h3{font-size:19px;margin:22px 0 8px}
  .front-footer-grid{grid-template-columns:1fr 1fr}
  .front-footer-bottom{display:block}
  .front-footer-bottom span{display:block;margin-top:6px}
  .service-panel{right:16px;bottom:82px;width:calc(100% - 32px)}
  .service-fab{right:16px;bottom:16px}
  .dim-item{flex-direction:column;gap:10px;padding:20px}
  .cta-inner{display:block;text-align:center}
  .cta-inner .btn{margin-top:16px}
}

/* 老域名回收网最终主题覆盖：保证旧页面组件与首页使用同一套科技极简视觉 */
:root{
  --canvas:#eff1f5;
  --world:#0f172a;
  --accent:#1e40ff;
  --ink:#0f172a;
  --muted:#64748b;
  --line:rgba(15,23,42,.11);
  --paper:#eff1f5;
  --surface:#fff;
  --gold:var(--accent);
  --gold-dark:#1836d9;
  --serif:'Space Grotesk','PingFang SC','Microsoft YaHei',sans-serif;
  --sans:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
}
html{background:var(--canvas)}
body{background:var(--canvas);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6}
.container{width:min(1180px,calc(100% - 48px));max-width:1180px;margin-left:auto;margin-right:auto}
.container.narrow{max-width:920px}
.front-header{background:rgba(239,241,245,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}
.front-nav{height:68px;gap:24px}
.front-brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font:700 20px/1 var(--serif);white-space:nowrap}
.front-brand-mark{width:30px;height:30px;border-radius:8px;background:var(--accent);font:700 14px/1 var(--sans)}
.front-brand em{color:var(--accent);font-style:normal}
.front-nav-links{gap:4px;color:var(--muted);font-size:13px}
.front-nav-links a{padding:8px 13px;border-radius:8px}
.front-nav-links a::after{display:none}
.front-nav-links a:hover,.front-nav-links a.active{color:var(--ink);background:rgba(15,23,42,.06)}
.nav-cta{min-height:38px;padding:0 17px;border-radius:8px;background:var(--accent);font-size:13px}
.nav-cta:hover{background:#1836d9}
.front-menu{display:none;border:0;background:transparent;color:var(--ink)}
.btn{min-height:42px;padding:0 19px;border-radius:8px;font-size:13px}
.btn-primary{background:var(--accent)}
.btn-primary:hover{background:#1836d9}
.btn-dark{background:var(--world)}
.btn-light{color:var(--accent);background:#fff;border-color:var(--line)}
.btn-light:hover{color:var(--ink);border-color:var(--accent);background:#fff}
.front-section{padding:72px clamp(24px,5vw,80px);border-top:1px solid var(--line)}
.front-section.alt{background:#fff}
.front-section-head h2{font:700 clamp(28px,3.5vw,44px)/1.12 var(--serif);letter-spacing:-.035em}
.page-hero{padding:54px clamp(24px,5vw,80px);background:#fff;border-bottom:1px solid var(--line)}
.page-hero .container{max-width:1120px}
.page-hero h1{font:700 clamp(32px,4.5vw,54px)/1.1 var(--serif);letter-spacing:-.035em}
.page-hero p{font-size:15px;line-height:1.8}
.breadcrumb-bar{background:#fff;border-color:var(--line)}
.front-service-grid{gap:18px;border:0}
.front-service{padding:28px;background:#fff;border:1px solid var(--line);border-radius:10px;min-height:200px}
.front-service:hover{background:#fff;border-color:rgba(30,64,255,.35);box-shadow:0 12px 30px rgba(15,23,42,.08)}
.front-service .num,.case-top,.article-meta,.article-kicker{color:var(--accent)}
.front-service h3,.case h3,.article-card h3{font-family:var(--serif)}
.case,.article-card,.service-detail,.step-card,.guarantee,.dim-item,.price-table-wrap,.contact-card{background:#fff;border-color:var(--line);border-radius:10px}
.filter-chip{border-radius:8px;background:#fff}
.filter-chip.active,.filter-chip:hover{background:var(--accent);border-color:var(--accent)}
.search-box{border-color:var(--line);border-radius:8px}
.article-page{padding:38px 0 58px}
.article-head h1{font-size:clamp(28px,3.8vw,44px)}
.rich-content{font-size:17px;line-height:1.9}
.article-tail-cta{background:#fff;border:1px solid var(--line);border-radius:10px}
.front-footer{background:var(--world);color:rgba(255,255,255,.72)}
.front-footer h4{color:#fff}
.front-footer a:not(.front-brand){color:rgba(255,255,255,.5)}
.front-footer a:not(.front-brand):hover{color:#fff}
.front-footer-bottom{border-color:rgba(255,255,255,.1)}
.front-brand.light{color:#fff}
.front-brand.light .front-brand-mark{background:var(--accent)}
.service-fab{background:var(--accent);box-shadow:0 10px 25px rgba(30,64,255,.26)}
.service-fab:hover{background:#1836d9}
.service-panel{border-color:var(--line);border-radius:12px;box-shadow:0 18px 42px rgba(15,23,42,.18)}
.service-action{border-color:var(--line);border-radius:8px;background:#f8fafc}
.service-action:hover{border-color:rgba(30,64,255,.35);background:#f1f4ff}
.copy-toast{background:rgba(15,23,42,.95)}
@media (max-width:960px){
  .sm-lot-grid,.sm-article-grid{grid-template-columns:repeat(2,1fr)}
  .sm-calc-inner{grid-template-columns:1fr;gap:34px}
  .sm-market-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:700px){
  .container{width:calc(100% - 32px)}
  .front-nav{height:66px}
  .front-nav-links{position:absolute;top:66px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:9px 16px 14px;background:var(--paper);border-bottom:1px solid var(--line)}
  .front-nav-links.open{display:flex}
  .front-nav-links a{padding:12px 0}
  .nav-cta{display:none}
  .front-menu{display:inline-flex}
  .front-section{padding:54px 16px}
  .front-service-grid,.case-grid,.article-grid,.step-grid,.guarantee-grid{grid-template-columns:1fr}
  .front-section-head{display:block;margin-bottom:27px}
  .front-section-head p{margin-top:12px}
  .sm-hero{padding:58px 16px 48px}
  .sm-hero h1{font-size:clamp(38px,12vw,54px)}
  .sm-search{display:block;padding:6px;border-radius:10px}
  .sm-search input{width:100%;padding:12px 13px}
  .sm-search button{width:100%;padding:12px}
  .sm-trust{gap:23px;margin-top:36px}
  .sm-service-grid,.sm-lot-grid,.sm-article-grid{grid-template-columns:1fr}
  .sm-calc{padding:54px 16px}
  .sm-calc-input{display:block}
  .sm-calc-input input{width:100%;height:44px}
  .sm-calc-input button{width:100%;height:44px;margin-top:8px}
  .sm-market-grid{grid-template-columns:1fr 1fr}
  .sm-cta{display:block;padding:38px 16px;text-align:center}
  .sm-primary-btn{margin-top:18px}
  .article-page{padding:20px 0 36px}
  .rich-content{font-size:16px;line-height:1.82}
  .front-footer-grid{grid-template-columns:1fr 1fr}
  .front-footer-bottom{display:block}
  .front-footer-bottom span{display:block;margin-top:6px}
}

/* 页面宽度统一：首页区块与页头共用同一条左右基线 */
.sm-section{width:min(1180px,calc(100% - 48px));max-width:1180px;padding-left:0;padding-right:0}
.sm-lots{width:100%;max-width:none;padding-left:0;padding-right:0}
.sm-lots .sm-section-head,.sm-lots .sm-lot-grid{width:min(1180px,calc(100% - 48px));max-width:1180px}
.sm-process{max-width:1180px}
.sm-calc{padding-left:0;padding-right:0}
.sm-calc-inner{width:min(1180px,calc(100% - 48px));max-width:1180px}
.sm-market,.sm-articles{max-width:1180px}
.sm-cta{padding-left:max(24px,calc((100% - 1180px)/2));padding-right:max(24px,calc((100% - 1180px)/2))}
.container.narrow{max-width:1180px}
.page-hero .container{max-width:1180px}
.sm-process-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:64px;align-items:start}
.sm-process-layout .sm-process-list{margin-top:0}
.sm-process-aside{padding:30px;background:var(--world);color:#fff;border-radius:12px;box-shadow:0 16px 34px rgba(15,23,42,.12)}
.sm-process-aside-label{color:#9eafff;font:600 10px/1 var(--sans);letter-spacing:.14em}
.sm-process-aside h3{margin:16px 0 10px;font:700 24px/1.25 var(--serif);letter-spacing:-.02em}
.sm-process-aside>p{margin:0;color:rgba(255,255,255,.62);font-size:13px;line-height:1.8}
.sm-process-aside ul{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none}
.sm-process-aside li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.82);font-size:12px;line-height:1.55}
.sm-process-aside li span{display:grid;place-items:center;width:22px;height:22px;flex:none;border:1px solid rgba(158,175,255,.55);border-radius:6px;color:#b7c3ff;font:600 10px/1 var(--sans)}
.sm-process-aside-foot{display:flex;justify-content:space-between;gap:12px;margin-top:26px;padding-top:16px;border-top:1px solid rgba(255,255,255,.13);color:rgba(255,255,255,.5);font-size:11px}
.sm-process-aside-foot strong{color:#fff;font-weight:500;text-align:right}
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb-bar .container{display:flex;align-items:center;gap:9px;min-height:48px;padding-top:0;padding-bottom:0;font-size:13px;line-height:1.5;white-space:nowrap;overflow:hidden}
.breadcrumb-bar a{color:var(--accent);font-weight:500}
.breadcrumb-bar a:hover{color:var(--gold-dark)}
.breadcrumb-sep{color:#a2adbd}
.breadcrumb-current{min-width:0;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}
@media (max-width:700px){
  .sm-section{width:100%;padding-left:16px;padding-right:16px}
  .sm-lots{padding-left:16px;padding-right:16px}
  .sm-lots .sm-section-head,.sm-lots .sm-lot-grid{width:100%;max-width:none}
  .sm-calc{padding-left:16px;padding-right:16px}
  .sm-calc-inner{width:100%;max-width:none}
  .sm-process-layout{grid-template-columns:1fr;gap:20px}
  .sm-process-aside{padding:24px}
  .sm-cta{padding-left:16px;padding-right:16px}
  .container.narrow{max-width:none}
  .breadcrumb-bar .container{min-height:44px;font-size:12px;gap:7px}
}

/* 老域名回收网 · 温暖服务风主题 */
:root{
  --canvas:#fdf6ef;
  --world:#3d2314;
  --accent:#e85d2f;
  --accent-soft:#fce8de;
  --ink:#3d2314;
  --muted:#8b7355;
  --line:rgba(61,35,20,.12);
  --paper:#fdf6ef;
  --surface:#fffaf5;
  --gold:var(--accent);
  --gold-dark:#c94c22;
  --blue:#1683b8;
  --blue-soft:#e4f3fb;
  --serif:'DM Sans','PingFang SC','Microsoft YaHei',sans-serif;
  --sans:'DM Sans','PingFang SC','Microsoft YaHei',sans-serif;
}
html{background:var(--canvas)}
body{background:var(--canvas);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6}
.container{width:min(1180px,calc(100% - 48px));max-width:1180px;margin-left:auto;margin-right:auto}
.front-header{background:rgba(253,246,239,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.front-nav{height:76px;gap:18px}
.front-brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font:800 19px/1 var(--sans);white-space:nowrap}
.front-brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font:800 14px/1 var(--sans)}
.front-brand em{color:var(--accent);font-style:normal}
.front-nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;padding:5px;background:#fff;border:1px solid rgba(61,35,20,.08);border-radius:999px;box-shadow:0 3px 14px rgba(61,35,20,.06);color:var(--muted);font-size:13px}
.front-nav-links a{padding:9px 13px;border-radius:999px;color:var(--muted)}
.front-nav-links a::after{display:none}
.front-nav-links a:hover,.front-nav-links a.active{background:var(--accent);color:#fff}
.nav-cta{min-height:42px;padding:0 18px;border-radius:999px;background:var(--ink);color:#fff;font-size:13px;font-weight:700}
.nav-cta:hover{background:var(--accent)}
.front-menu{color:var(--ink)}
.btn{min-height:44px;padding:0 22px;border-radius:999px;font-size:14px}
.btn-primary{background:var(--accent)}
.btn-primary:hover{background:var(--gold-dark)}
.btn-dark{background:var(--ink)}
.btn-light{color:var(--accent);background:#fff;border-color:var(--line)}
.btn-light:hover{color:#fff;background:var(--accent);border-color:var(--accent)}

/* 首页 Hero */
.ld-hero{padding:56px 0 86px;background:var(--canvas);overflow:hidden}
.ld-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(430px,.92fr);align-items:center;gap:70px;width:min(1180px,calc(100% - 48px));margin:0 auto}
.ld-hero-copy{padding:20px 0 8px}
.ld-hello{display:inline-flex;align-items:center;gap:9px;padding:8px 16px;background:var(--accent-soft);border-radius:999px;color:var(--accent);font-size:13px;font-weight:700}
.ld-status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(232,93,47,.12)}
.ld-hero h1{margin:25px 0 22px;font:800 clamp(40px,5.2vw,68px)/1.1 var(--sans);letter-spacing:-.045em}
.ld-hero h1 span{color:var(--accent)}
.ld-hero-copy>p{max-width:520px;margin:0 0 32px;color:var(--muted);font-size:16px;line-height:1.85}
.ld-hero-actions{display:flex;align-items:center;gap:13px;flex-wrap:wrap}
.ld-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;padding:0 25px;border:0;border-radius:999px;font-size:14px;font-weight:800;cursor:pointer;transition:transform .22s,background .22s,box-shadow .22s}
.ld-btn span{font-size:18px;line-height:1}
.ld-btn:hover{transform:translateY(-2px)}
.ld-btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(232,93,47,.24)}
.ld-btn-primary:hover{background:var(--gold-dark);box-shadow:0 10px 26px rgba(232,93,47,.3)}
.ld-btn-secondary{background:#fff;color:var(--ink);box-shadow:0 4px 16px rgba(61,35,20,.08)}
.ld-btn-secondary:hover{color:var(--accent)}
.ld-hero-trust{display:flex;align-items:center;gap:12px;margin-top:30px;color:var(--muted);font-size:12px}
.ld-hero-trust i{width:4px;height:4px;border-radius:50%;background:#d7b69d}
.ld-hero-visual{position:relative;min-height:432px;background:#f9e3d5;border-radius:34px;border:1px solid rgba(232,93,47,.1);overflow:hidden}
.ld-hero-visual::before{content:'';position:absolute;inset:28px;border:1px solid rgba(232,93,47,.14);border-radius:26px}
.ld-hero-visual::after{content:'';position:absolute;right:-58px;bottom:-72px;width:230px;height:230px;border:34px solid rgba(255,255,255,.38);border-radius:50%}
.ld-hero-grid{position:absolute;top:50%;left:50%;width:220px;height:220px;transform:translate(-50%,-50%);border:1px solid rgba(232,93,47,.18);border-radius:50%;box-shadow:0 0 0 26px rgba(255,255,255,.16),0 0 0 52px rgba(232,93,47,.06)}
.ld-float-card{position:absolute;z-index:2;width:235px;padding:18px 19px;background:#fff;border-radius:20px;box-shadow:0 14px 34px rgba(61,35,20,.12)}
.ld-float-top{top:39px;right:30px}
.ld-float-bottom{bottom:41px;left:30px}
.ld-card-icon{display:grid;place-items:center;width:43px;height:43px;margin-bottom:12px;border-radius:13px}
.ld-card-icon-orange{background:var(--accent-soft);color:var(--accent)}
.ld-card-icon-green{background:#dcf5e5;color:#199b58}
.ld-float-card strong{display:block;font-size:16px;font-weight:800}
.ld-float-card small{display:block;margin-top:5px;color:var(--muted);font-size:11px;line-height:1.45}
.ld-float-stat{position:absolute;z-index:3;top:170px;left:50%;display:flex;align-items:center;gap:12px;padding:18px 21px;transform:translateX(-50%);background:var(--ink);border-radius:19px;color:#fff;box-shadow:0 14px 30px rgba(61,35,20,.2)}
.ld-float-stat b{color:#ffc16d;font-size:29px;line-height:1;font-weight:800;white-space:nowrap}
.ld-float-stat span{color:rgba(255,255,255,.72);font-size:11px;line-height:1.45;white-space:nowrap}
.ld-hero-stamp{position:absolute;right:39px;bottom:48px;z-index:3;padding:10px 13px;border:1px solid rgba(61,35,20,.1);border-radius:10px;background:rgba(255,255,255,.58);color:var(--muted);font-size:10px;line-height:1.25;text-align:center;transform:rotate(-6deg)}
.ld-hero-stamp span{display:block;color:var(--accent);font-weight:800}
.ld-hero-stamp strong{display:block;margin-top:3px;font-size:11px;color:var(--ink)}

/* 首页通用区块 */
.ld-section{width:min(1180px,calc(100% - 48px));margin:0 auto;padding:82px 0}
.ld-section-tight{padding-top:74px;padding-bottom:74px}
.ld-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:42px}
.ld-section-head.centered{display:block;text-align:center}
.ld-eyebrow{display:inline-block;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.08em}
.ld-section-head h2{margin:12px 0 0;font:800 clamp(28px,3.5vw,42px)/1.2 var(--sans);letter-spacing:-.035em}
.ld-section-head>p{max-width:320px;margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.ld-text-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:13px;font-weight:800;white-space:nowrap}
.ld-text-link b{font-size:18px;transition:transform .2s}
.ld-text-link:hover b{transform:translateX(3px)}
.ld-services{padding-top:82px}
.ld-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}
.ld-service-card{position:relative;display:flex;flex-direction:column;min-height:265px;padding:29px 28px;background:#fff;border:1px solid rgba(61,35,20,.09);border-radius:24px;box-shadow:0 5px 18px rgba(61,35,20,.035);transition:transform .25s,box-shadow .25s,border-color .25s}
.ld-service-card:hover{transform:translateY(-5px);border-color:rgba(232,93,47,.28);box-shadow:0 16px 34px rgba(61,35,20,.1)}
.ld-service-index{position:absolute;top:25px;right:27px;color:#cdb9a5;font-size:11px;font-weight:800}
.ld-service-icon{display:grid;place-items:center;width:55px;height:55px;margin-bottom:23px;border-radius:17px}
.ld-service-icon.orange{background:var(--accent-soft);color:var(--accent)}
.ld-service-icon.blue{background:#e2f2fb;color:#1683b8}
.ld-service-icon.green{background:#dcf5e5;color:#199b58}
.ld-service-card h3{margin:0 0 10px;font-size:20px;font-weight:800}
.ld-service-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
.ld-service-link{display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:19px;color:var(--accent);font-size:12px;font-weight:800}
.ld-service-link b{font-size:17px;transition:transform .2s}
.ld-service-card:hover .ld-service-link b{transform:translateX(4px)}

/* 成交案例 */
.ld-cases{background:#fff;border-top:1px solid rgba(61,35,20,.06);border-bottom:1px solid rgba(61,35,20,.06)}
.ld-case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.ld-case-card{display:block;padding:22px 22px 19px;border-radius:20px;transition:transform .22s,box-shadow .22s}
.ld-case-card:hover{transform:translateY(-4px);box-shadow:0 12px 25px rgba(61,35,20,.09)}
.ld-case-card.tone-1{background:#fff1e9}.ld-case-card.tone-2{background:#eaf5fb}.ld-case-card.tone-3{background:#edf7ef}
.ld-case-top{display:flex;justify-content:space-between;align-items:center;color:var(--accent);font-size:11px;font-weight:800}
.ld-case-top small{color:var(--muted);font-size:11px;font-weight:600}
.ld-domain{display:block;margin:20px 0 8px;font-size:23px;line-height:1.2;letter-spacing:-.02em}
.ld-case-card p{min-height:39px;margin:0;color:var(--muted);font-size:12px;line-height:1.65}
.ld-case-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;margin-top:19px;padding-top:13px;border-top:1px solid rgba(61,35,20,.1)}
.ld-case-foot b{color:var(--accent);font-size:19px}.ld-case-foot span{color:var(--muted);font-size:10px}.ld-case-foot i{font-style:normal;font-size:16px}
.ld-empty{padding:28px;border:1px dashed rgba(61,35,20,.18);border-radius:16px;color:var(--muted);font-size:13px;text-align:center}

/* 交易流程 */
.ld-process{padding-top:84px;padding-bottom:88px}
.ld-process .ld-section-head{margin-bottom:42px}
.ld-process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ld-process-step{position:relative;padding:26px 22px 22px;background:#fff;border:1px solid rgba(61,35,20,.09);border-radius:20px}
.ld-process-step>span{display:grid;place-items:center;width:42px;height:42px;margin-bottom:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:13px;font-weight:800}
.ld-process-step:nth-child(2)>span{background:#1683b8}.ld-process-step:nth-child(3)>span{background:#199b58}.ld-process-step:nth-child(4)>span{background:#8d6dc5}
.ld-process-step h3{margin:0 0 8px;font-size:16px;font-weight:800}.ld-process-step p{margin:0;color:var(--muted);font-size:12px;line-height:1.75}

/* 估价 CTA */
.ld-appraise{padding:80px 0;background:var(--world);color:#fff}
.ld-appraise-inner{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:72px;width:min(1180px,calc(100% - 48px));margin:0 auto}
.ld-appraise .ld-eyebrow{color:#ffb36e}.ld-appraise-copy h2{margin:14px 0 16px;font:800 clamp(29px,3.8vw,46px)/1.18 var(--sans);letter-spacing:-.035em}.ld-appraise-copy h2 em{color:#ffb36e;font-style:normal}.ld-appraise-copy>p{max-width:470px;margin:0;color:rgba(255,255,255,.64);font-size:14px;line-height:1.85}
.ld-check-list{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:25px;color:rgba(255,255,255,.72);font-size:12px}.ld-check-list span{display:inline-flex;align-items:center;gap:7px}.ld-check-list b{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:#ffb36e;color:var(--world);font-size:11px}
.ld-appraise-box{padding:28px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:22px}.ld-appraise-box label{display:block;margin-bottom:12px;color:rgba(255,255,255,.55);font-size:11px;font-weight:800;letter-spacing:.16em}.ld-input-row{display:flex;gap:8px}.ld-input-row input{flex:1;min-width:0;height:50px;padding:0 15px;border:1px solid rgba(255,255,255,.14);border-radius:10px;background:rgba(255,255,255,.09);outline:0;color:#fff;font:14px var(--sans)}.ld-input-row input::placeholder{color:rgba(255,255,255,.4)}.ld-input-row input:focus{border-color:#ffb36e}.ld-input-row button{height:50px;padding:0 17px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-size:12px;font-weight:800;cursor:pointer}.ld-input-row button:hover{background:#f47748}.ld-appraise-box>small{display:block;margin-top:14px;color:rgba(255,255,255,.45);font-size:11px}

/* 反馈、知识与收尾 */
.ld-reviews{padding-top:80px}.ld-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.ld-review-card{padding:25px 24px 22px;background:#fff;border:1px solid rgba(61,35,20,.09);border-radius:20px}.ld-stars{margin-bottom:14px;color:#f2a51f;font-size:15px;letter-spacing:2px}.ld-review-card p{min-height:88px;margin:0 0 21px;color:var(--ink);font-size:13px;line-height:1.8}.ld-review-card>div:last-child{display:flex;align-items:baseline;gap:10px;padding-top:13px;border-top:1px solid var(--line)}.ld-review-card b{font-size:13px}.ld-review-card span{color:var(--muted);font-size:11px}
.ld-knowledge{padding-top:72px}.ld-knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.ld-knowledge-card{display:flex;flex-direction:column;min-height:225px;padding:23px 22px;background:#fff;border:1px solid rgba(61,35,20,.09);border-radius:19px}.ld-knowledge-card>span{color:var(--accent);font-size:11px}.ld-knowledge-card h3{margin:18px 0 10px;font-size:18px;line-height:1.4}.ld-knowledge-card h3 a:hover{color:var(--accent)}.ld-knowledge-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.75}.ld-knowledge-card>a{margin-top:auto;padding-top:16px;color:var(--accent);font-size:12px;font-weight:800}.ld-knowledge-card>a b{font-size:16px}
.ld-final-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:55px max(24px,calc((100% - 1180px)/2));background:var(--accent-soft)}.ld-final-cta .ld-eyebrow{color:var(--accent)}.ld-final-cta h2{margin:10px 0 7px;font-size:30px;line-height:1.25}.ld-final-cta p{margin:0;color:var(--muted);font-size:13px}

/* 内页同主题 */
.page-hero{padding:62px 0;background:#fffaf5;border-bottom:1px solid var(--line)}.page-hero .container{max-width:1180px}.page-hero h1{margin:14px 0 12px;font:800 clamp(34px,4.6vw,56px)/1.1 var(--sans);letter-spacing:-.04em}.page-hero p{max-width:700px;font-size:15px;line-height:1.85;color:var(--muted)}
.front-section{padding:76px 0;background:var(--canvas);border-top:1px solid var(--line)}.front-section.alt{background:#fff}.front-section-head h2{font-family:var(--sans)}
.front-service,.case,.article-card,.service-detail,.step-card,.guarantee,.dim-item,.price-table-wrap,.contact-card{background:#fff;border-color:var(--line);border-radius:18px}.front-service:hover{background:#fff;border-color:rgba(232,93,47,.35);box-shadow:0 12px 30px rgba(61,35,20,.08)}
.front-service .num,.case-top,.article-meta,.article-kicker{color:var(--accent)}.front-service h3,.case h3,.article-card h3{font-family:var(--sans)}
.filter-chip{border-radius:999px;background:#fff;border-color:var(--line);padding:8px 15px}.filter-chip.active,.filter-chip:hover{background:var(--accent);border-color:var(--accent);color:#fff}.search-box{border-color:var(--line);border-radius:999px}
.breadcrumb-bar{background:#fff;border-color:var(--line)}.article-page{padding:42px 0 64px}.article-head h1{font-size:clamp(30px,4vw,46px)}.rich-content{font-size:17px;line-height:1.95}.article-tail-cta{background:#fff;border-color:var(--line);border-radius:18px}
.front-footer{background:var(--world);color:rgba(255,255,255,.72)}.front-footer h4{color:#ffb36e}.front-footer a:not(.front-brand){color:rgba(255,255,255,.56)}.front-footer a:not(.front-brand):hover{color:#fff}.front-footer-bottom{border-color:rgba(255,255,255,.14)}.front-brand.light{color:#fff}.front-brand.light .front-brand-mark{background:var(--accent)}
.service-fab{background:var(--accent);box-shadow:0 10px 25px rgba(232,93,47,.28)}.service-fab:hover{background:var(--gold-dark)}.service-panel{border-color:var(--line);border-radius:20px;box-shadow:0 18px 42px rgba(61,35,20,.18)}.service-action{border-color:var(--line);border-radius:12px;background:#fffaf7}.service-action:hover{border-color:rgba(232,93,47,.35);background:var(--accent-soft)}.service-id{color:var(--accent)}

@media (max-width:960px){
  .ld-hero-inner{grid-template-columns:1fr;gap:42px}.ld-hero-copy{text-align:center}.ld-hero-copy>p{margin-left:auto;margin-right:auto}.ld-hero-actions,.ld-hero-trust{justify-content:center}.ld-hero-visual{max-width:600px;width:100%;margin:0 auto}.ld-service-grid{grid-template-columns:repeat(3,1fr)}.ld-process-grid{grid-template-columns:repeat(2,1fr)}.ld-appraise-inner{gap:38px}.ld-knowledge-grid,.ld-review-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:700px){
  .container,.ld-section,.ld-hero-inner,.ld-appraise-inner{width:calc(100% - 32px)}.front-nav{height:68px}.front-brand{font-size:17px}.front-brand-mark{width:30px;height:30px}.front-nav-links{position:absolute;top:68px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:9px 16px 14px;background:var(--paper);border-radius:0;box-shadow:none}.front-nav-links.open{display:flex}.front-nav-links a{padding:12px 4px;border-radius:8px}.nav-cta{display:none}.front-menu{display:inline-flex}
  .ld-hero{padding:40px 0 58px}.ld-hero h1{font-size:clamp(37px,11.5vw,54px)}.ld-hero-copy>p{font-size:14px}.ld-hero-visual{min-height:370px;border-radius:25px}.ld-hero-visual::before{inset:17px;border-radius:19px}.ld-float-card{width:205px;padding:15px;border-radius:17px}.ld-float-top{top:27px;right:18px}.ld-float-bottom{bottom:25px;left:18px}.ld-float-stat{top:147px;padding:14px 16px}.ld-float-stat b{font-size:24px}.ld-hero-stamp{right:20px;bottom:26px}.ld-section{padding:58px 0}.ld-section-head{display:block;margin-bottom:28px}.ld-section-head>p{margin-top:12px}.ld-section-head h2{font-size:30px}.ld-text-link{margin-top:16px}.ld-service-grid,.ld-case-grid,.ld-review-grid,.ld-knowledge-grid{grid-template-columns:1fr}.ld-service-card{min-height:230px}.ld-case-card p{min-height:0}.ld-process{padding:60px 0}.ld-process-grid{grid-template-columns:1fr}.ld-appraise{padding:58px 0}.ld-appraise-inner{grid-template-columns:1fr;gap:34px}.ld-appraise-copy h2{font-size:31px}.ld-input-row{display:block}.ld-input-row input,.ld-input-row button{width:100%}.ld-input-row button{margin-top:8px}.ld-check-list{display:grid;gap:10px}.ld-final-cta{display:block;padding:42px 16px;text-align:center}.ld-final-cta h2{font-size:25px}.ld-final-cta .ld-btn{margin-top:19px}.page-hero{padding:43px 0}.front-section{padding:58px 0}.service-panel{right:16px;bottom:82px;width:calc(100% - 32px)}.service-fab{right:16px;bottom:16px}
}

/* 头部咨询按钮与底部人工估价按钮保持同一尺寸 */
@media (min-width:701px){
  .nav-cta{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 25px;border:0;border-radius:999px;color:#fff;background:var(--accent);font-size:14px;font-weight:800;cursor:pointer;white-space:nowrap}
}