/* 斯言网络 base.css — 朴素企业风 */
:root {
  --c-primary: #2d6a4f;
  --c-primary-light: #e9f5ef;
  --c-primary-dark: #1b4332;
  --c-accent: #d4880f;
  --c-accent-light: #fef8ec;
  --c-bg: #f9f8f5;
  --c-card: #fff;
  --c-border: #e2e0db;
  --c-text: #2c2c2c;
  --c-text-light: #6b6b6b;
  --c-text-muted: #a8a8a8;
  --c-success: #2ea44f;
  --c-danger: #c93a31;
  --c-warn: #e8a317;
  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 2px 6px rgba(0,0,0,.07);
  --font-base: 'Noto Sans SC',-apple-system,'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --w-max: 1140px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:var(--font-base);color:var(--c-text);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.wrap{width:min(100%,var(--w-max));margin:0 auto;padding:0 clamp(14px,4vw,26px)}
.section{padding:clamp(30px,5.5vw,52px) 0}
.section-title{font-size:clamp(1.12rem,2.4vw,1.4rem);font-weight:600;margin-bottom:7px;color:var(--c-text)}
.section-desc{color:var(--c-text-light);font-size:.88rem;margin-bottom:20px}
.btn{display:inline-flex;align-items:center;gap:5px;padding:8px 18px;border-radius:var(--radius);font-size:.87rem;font-weight:500;cursor:pointer;border:1px solid transparent;transition:background .2s,border-color .2s}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-light)}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-accent:hover{background:#b8740b;color:#fff}
.badge{display:inline-block;padding:2px 7px;border-radius:3px;font-size:.71rem;font-weight:600;line-height:1.4}
.badge-hot{background:#fde8e8;color:#c93a31}
.badge-new{background:#dbeafe;color:#2563eb}
.price{color:var(--c-accent);font-weight:700}
.price-orig{color:var(--c-text-muted);text-decoration:line-through;font-size:.81rem;margin-left:5px}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:54px}
.logo{display:flex;align-items:center;gap:7px;font-weight:700;font-size:1.06rem;color:var(--c-text)}
.logo img{width:30px;height:30px}
.nav{display:flex;gap:3px}
.nav a{padding:5px 11px;font-size:.87rem;color:var(--c-text);border-radius:var(--radius)}
.nav a:hover,.nav a.active{color:var(--c-primary);background:var(--c-primary-light)}
.nav-search{display:flex;align-items:center;position:relative}
.nav-search input{width:170px;padding:6px 11px 6px 30px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:.83rem;outline:none;transition:border-color .2s}
.nav-search input:focus{border-color:var(--c-primary)}
.nav-search svg{position:absolute;left:8px;width:14px;height:14px;color:var(--c-text-muted)}
.search-dropdown{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow-md);display:none;max-height:260px;overflow-y:auto;z-index:200}
.search-dropdown.show{display:block}
.search-dropdown a{display:block;padding:7px 11px;font-size:.83rem;border-bottom:1px solid #f5f5f5}
.search-dropdown a:hover{background:var(--c-primary-light)}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:5px}
.hamburger svg{width:22px;height:22px;color:var(--c-text)}
.mobile-menu{display:none;position:fixed;top:54px;left:0;right:0;bottom:0;background:#fff;z-index:99;padding:14px;overflow-y:auto}
.mobile-menu.show{display:block}
.mobile-menu a{display:block;padding:11px 14px;font-size:1rem;border-bottom:1px solid #f5f5f5}

/* footer */
.site-footer{background:#fff;border-top:1px solid var(--c-border);padding:clamp(22px,4vw,38px) 0 14px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:22px;margin-bottom:22px}
.footer-col h4{font-size:.9rem;font-weight:600;margin-bottom:9px}
.footer-col a,.footer-col p{font-size:.81rem;color:var(--c-text-light);display:block;margin-bottom:5px}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{border-top:1px solid var(--c-border);padding-top:12px;text-align:center;font-size:.74rem;color:var(--c-text-muted)}
.footer-bottom a{color:var(--c-text-muted)}

/* cards */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s}
.card:hover{box-shadow:var(--shadow-md)}
.card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:#f0ede8}
.card-img img{width:100%;height:100%;object-fit:contain;padding:6px;background:#f9f8f5}
.card-img .badge{position:absolute;top:7px;left:7px}
.card-body{padding:11px 13px}
.card-title{font-size:.92rem;font-weight:600;margin-bottom:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-desc{font-size:.79rem;color:var(--c-text-light);margin-bottom:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-price{display:flex;align-items:baseline;gap:4px;margin-bottom:5px}
.card-stats{display:flex;gap:10px;font-size:.73rem;color:var(--c-text-muted)}
.card-stats span{display:flex;align-items:center;gap:2px}

/* hero */
.hero{background:linear-gradient(140deg,var(--c-primary),var(--c-primary-dark));color:#fff;padding:clamp(34px,7vw,60px) 0}
.hero h1{font-size:clamp(1.25rem,3.8vw,1.9rem);font-weight:700;margin-bottom:9px}
.hero p{font-size:clamp(.86rem,1.9vw,1.02rem);opacity:.9;margin-bottom:16px;max-width:520px}
.hero .btn{background:var(--c-accent);border-color:var(--c-accent);color:#fff}

/* ticker */
.ticker{background:var(--c-primary-light);border-bottom:1px solid var(--c-border);overflow:hidden;height:32px;line-height:32px}
.ticker-inner{display:flex;gap:36px;animation:tickerScroll 28s linear infinite;white-space:nowrap}
.ticker-item{font-size:.77rem;color:var(--c-text-light)}
.ticker-item strong{color:var(--c-primary)}
@keyframes tickerScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* category tabs */
.cat-tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:16px}
.cat-tab{padding:5px 14px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:.83rem;cursor:pointer;background:#fff;transition:all .2s}
.cat-tab:hover,.cat-tab.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* detail */
.detail-header{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-bottom:26px}
.detail-img{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:#f0ede8}
.detail-img img{width:100%;height:100%;object-fit:contain;padding:8px}
.detail-info h1{font-size:clamp(1.08rem,2.8vw,1.45rem);font-weight:700;margin-bottom:7px}
.detail-info .price{font-size:clamp(1.15rem,2.8vw,1.5rem)}
.detail-sells{margin:14px 0}
.detail-sells li{padding:4px 0;font-size:.87rem;display:flex;align-items:flex-start;gap:5px}
.detail-sells li::before{content:'✓';color:var(--c-success);font-weight:700;flex-shrink:0}
.detail-specs{margin:14px 0}
.detail-specs table{width:100%;border-collapse:collapse;font-size:.85rem}
.detail-specs td{padding:6px 11px;border:1px solid var(--c-border)}
.detail-specs td:first-child{background:#f6f5f2;font-weight:500;width:115px}
.detail-btns{display:flex;gap:9px;margin-top:16px}
.review-card{background:#f7f6f3;border:1px solid var(--c-border);border-radius:var(--radius);padding:13px;margin-bottom:9px}
.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}
.review-stars{color:var(--c-warn)}
.review-reply{background:#fff;border-left:3px solid var(--c-primary);padding:7px 11px;margin-top:7px;font-size:.81rem;color:var(--c-text-light)}
.faq-item{border:1px solid var(--c-border);border-radius:var(--radius);margin-bottom:7px;overflow:hidden}
.faq-q{padding:9px 13px;font-weight:500;font-size:.89rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-a{padding:0 13px 9px;font-size:.83rem;color:var(--c-text-light);display:none}
.faq-item.open .faq-a{display:block}

/* form */
.form-group{margin-bottom:13px}
.form-group label{display:block;font-size:.85rem;font-weight:500;margin-bottom:3px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:7px 11px;border:1px solid var(--c-border);border-radius:var(--radius);font-size:.87rem;font-family:var(--font-base);outline:none;transition:border-color .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--c-primary)}
.form-group textarea{resize:vertical;min-height:75px}

/* payment */
.pay-methods{display:flex;flex-direction:column;gap:9px;margin:5px 0 0}
.pay-method{display:flex;align-items:center;gap:9px;padding:13px 15px;border:2px solid var(--c-border);border-radius:5px;cursor:pointer;transition:border-color .2s,background .2s;background:#fff}
.pay-method.selected{border-color:var(--c-primary);background:var(--c-primary-light)}
.pay-method .pay-radio{width:17px;height:17px;border-radius:50%;border:2px solid #ccc;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pay-method.selected .pay-radio{border-color:var(--c-primary)}
.pay-method.selected .pay-radio::after{content:'';width:9px;height:9px;border-radius:50%;background:var(--c-primary)}
.pay-method img{width:30px;height:30px;object-fit:contain;border-radius:3px}
.pay-method span{font-size:.91rem;font-weight:500}
.agree-check{display:flex;align-items:center;gap:7px;margin:14px 0 11px;font-size:.83rem;color:var(--c-text)}
.agree-check input[type=checkbox]{width:15px;height:15px;accent-color:var(--c-primary);cursor:pointer;flex-shrink:0}
.agree-check a{color:var(--c-primary);font-weight:500}
.slider-verify-wrap{margin:11px 0 14px}
.slider-verify-track{position:relative;height:40px;background:#f4f3f0;border-radius:4px;border:1px solid #ddd;overflow:hidden;user-select:none;-webkit-user-select:none}
.slider-verify-track .track-text{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:.83rem;color:#aaa;pointer-events:none}
.slider-verify-track .track-fill{position:absolute;top:0;left:0;width:0;height:100%;background:#d1ecdb;border-radius:4px 0 0 4px;pointer-events:none}
.slider-verify-track .track-handle{position:absolute;top:0;left:0;width:40px;height:100%;background:#fff;border:1px solid #ccc;border-radius:4px;display:flex;align-items:center;justify-content:center;cursor:grab;touch-action:none;z-index:2;font-size:1rem;color:#999;font-weight:700}
.slider-verify-track .track-handle:active{cursor:grabbing}
.slider-verify-track.verified{border-color:var(--c-success)}
.slider-verify-track.verified .track-fill{background:#d4edda}
.slider-verify-track.verified .track-handle{background:var(--c-success);color:#fff;border-color:var(--c-success);cursor:default}
.slider-verify-track.verified .track-text{color:var(--c-success)}
.btn-confirm-pay{width:100%;display:flex;align-items:center;justify-content:center;padding:12px;font-size:1rem;font-weight:600;border:none;border-radius:5px;cursor:pointer;background:linear-gradient(135deg,#3a8f68,#2d6a4f);color:#fff;transition:opacity .2s}
.btn-confirm-pay:hover{opacity:.9}
.btn-confirm-pay:disabled{opacity:.5;cursor:not-allowed}

/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.about-info h2{font-size:1.12rem;margin-bottom:9px}
.about-info p{font-size:.87rem;color:var(--c-text-light);margin-bottom:7px}
.about-table{width:100%;border-collapse:collapse;margin:12px 0}
.about-table td{padding:6px 0;font-size:.85rem;border-bottom:1px solid #f0ede8}
.about-table td:first-child{color:var(--c-text-light);width:88px}
.news-list .news-item{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid #f0ede8}
.news-item-img{width:115px;height:76px;border-radius:var(--radius);overflow:hidden;flex-shrink:0;background:#f0ede8}
.news-item-img img{width:100%;height:100%;object-fit:cover}
.news-item-body h3{font-size:.92rem;font-weight:500;margin-bottom:3px}
.news-item-body p{font-size:.81rem;color:var(--c-text-light)}
.news-item-body .date{font-size:.75rem;color:var(--c-text-muted);margin-top:3px}

/* career */
.job-card{border:1px solid var(--c-border);border-radius:var(--radius);padding:15px;margin-bottom:11px;border-left:3px solid var(--c-primary)}
.job-card h3{font-size:.98rem;font-weight:600;margin-bottom:3px}
.job-card .salary{color:var(--c-accent);font-weight:600;font-size:.92rem}
.job-card .tags{display:flex;gap:5px;margin:7px 0;flex-wrap:wrap}
.job-card .tags span{background:#f4f3f0;padding:2px 7px;border-radius:3px;font-size:.75rem;color:var(--c-text-light)}

/* breadcrumb */
.breadcrumb{padding:9px 0;font-size:.81rem;color:var(--c-text-muted)}
.breadcrumb a{color:var(--c-text-light)}
.breadcrumb span{margin:0 5px}

/* float buttons */
.float-btn{position:fixed;right:14px;width:40px;height:40px;border-radius:50%;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-md);z-index:90;border:none;transition:background .2s}
.float-btn:hover{background:var(--c-primary-dark)}
.float-btn svg{width:18px;height:18px}
#backToTop{bottom:76px}
#onlineChat{bottom:124px}

/* mobile bar */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--c-border);z-index:100;padding:5px 0 env(safe-area-inset-bottom,5px)}
.mobile-bar-inner{display:flex;justify-content:space-around;align-items:center}
.mobile-bar a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.67rem;color:var(--c-text-light);padding:3px 0}
.mobile-bar a.active{color:var(--c-primary)}
.mobile-bar a svg{width:19px;height:19px}

/* cookie bar */
.cookie-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--c-border);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;z-index:200;box-shadow:0 -2px 8px rgba(0,0,0,.06);font-size:.82rem;color:var(--c-text-light)}
.cookie-bar.hidden{display:none}

noscript{display:block;padding:18px;font-size:.89rem;color:var(--c-text);line-height:1.8}

/* stat cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin:18px 0}
.stat-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:16px;text-align:center}
.stat-num{font-size:1.6rem;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat-label{font-size:.78rem;color:var(--c-text-light);margin-top:3px}

/* timeline */
.timeline{position:relative;padding-left:22px;border-left:2px solid var(--c-border)}
.timeline-item{position:relative;padding-bottom:20px}
.timeline-item::before{content:'';position:absolute;left:-27px;top:4px;width:10px;height:10px;border-radius:50%;background:var(--c-primary);border:2px solid #fff}
.timeline-item h4{font-size:.9rem;font-weight:600;margin-bottom:3px}
.timeline-item p{font-size:.83rem;color:var(--c-text-light)}
.timeline-item .date{font-size:.76rem;color:var(--c-text-muted)}

/* credential cards */
.cred-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.cred-card{border:1px dashed var(--c-border);border-radius:var(--radius);padding:20px;text-align:center;background:#fdfcfa}
.cred-card h4{font-size:.88rem;font-weight:600;margin-bottom:4px}
.cred-card p{font-size:.78rem;color:var(--c-text-muted)}

@media(max-width:768px){
  .header-inner{padding:0 11px}
  .nav{display:none}
  .nav-search{display:none}
  .hamburger{display:block}
  .mobile-bar{display:block}
  .detail-header{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .cards-grid{grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:9px}
  .card-body{padding:7px 9px}
  body{padding-bottom:56px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .cards-grid{grid-template-columns:1fr 1fr;gap:7px}
  .card-title{font-size:.83rem}
  .footer-grid{grid-template-columns:1fr}
}