:root{
  --pink:#ff7fa3; --blue:#6aa8ef; --brand:#ff6f97;
  --ink:#2b2f38; --muted:#7c8392; --line:#edeef2; --bg:#ffffff;
  --soft:#f7f8fb; --soft2:#f1f3f8; --ok:#2faa6a; --warn:#e08a1e;
  --shadow:0 6px 24px rgba(40,50,80,.08); --radius:16px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.7; font-size:15px; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
.icon{width:18px;height:18px;display:inline-block;vertical-align:-3px;flex:0 0 auto}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:54px 0}
.section--soft{background:var(--soft)}
.muted{color:var(--muted)}
.center{text-align:center}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:6px;justify-content:center;border:none;cursor:pointer;
  padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;transition:.18s;font-family:inherit}
.btn--primary{background:linear-gradient(120deg,var(--pink),var(--blue));color:#fff;box-shadow:0 8px 20px rgba(255,111,151,.28)}
.btn--primary:hover{filter:brightness(1.04);transform:translateY(-1px)}
.btn--ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{border-color:var(--pink);color:var(--brand)}
.btn--sm{padding:8px 16px;font-size:14px}
.btn--block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* 页头 */
.hdr-bar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.hdr-inner{max-width:var(--maxw);margin:0 auto;padding:0 20px;height:66px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.brand__name{letter-spacing:1px}
.logo-mark{width:38px;height:38px;display:inline-flex;border-radius:11px;overflow:hidden;flex:0 0 auto}
.logo-mark svg{width:100%;height:100%}
.hdr-nav{display:flex;gap:6px;margin-left:8px}
.hdr-nav a{padding:8px 12px;border-radius:10px;font-size:15px;color:#41464f;font-weight:500}
.hdr-nav a:hover{background:var(--soft2);color:var(--brand)}
.hdr-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.hdr-search{display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.hdr-search input{border:none;background:transparent;outline:none;padding:8px 14px;width:170px;font-size:14px;font-family:inherit}
.hdr-search button{background:transparent;border:none;cursor:pointer;padding:8px 12px 8px 4px;color:var(--muted);display:flex}
.hdr-cart{position:relative;color:var(--ink);display:flex}
.hdr-cart__badge{position:absolute;top:-6px;right:-8px;background:var(--brand);color:#fff;font-size:11px;
  min-width:18px;height:18px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 4px}
.user-menu{position:relative}
.user-menu__btn{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 12px;cursor:pointer;font-family:inherit;font-size:14px;color:var(--ink)}
.user-menu__panel{position:absolute;right:0;top:48px;background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);min-width:160px;padding:8px;display:none;flex-direction:column;z-index:120}
.user-menu__panel.open{display:flex}
.user-menu__panel a,.user-menu__panel button{text-align:left;padding:9px 12px;border-radius:9px;font-size:14px;
  color:var(--ink);background:#fff;border:none;cursor:pointer;font-family:inherit}
.user-menu__panel a:hover,.user-menu__panel button:hover{background:var(--soft2);color:var(--brand)}
.hdr-menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px;cursor:pointer;color:var(--ink)}

/* 页脚 */
#site-footer{background:#222632;color:#c9cedb;margin-top:40px}
.ft-inner{max-width:var(--maxw);margin:0 auto;padding:46px 20px 30px;display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.ft-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.ft-col a{display:block;color:#aeb4c2;font-size:14px;padding:5px 0}
.ft-col a:hover{color:#fff}
.ft-about{font-size:13.5px;color:#aeb4c2;margin:14px 0}
.ft-contact{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#aeb4c2;margin:6px 0}
.ft-contact .icon{width:16px;height:16px;color:var(--pink)}
.ft-bottom{border-top:1px solid #333845;padding:16px 0}
.ft-bottom__inner{max-width:var(--maxw);margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;
  align-items:center;font-size:13px;color:#9aa0af;flex-wrap:wrap;gap:8px}
.ft-icp{color:#9aa0af}
.ft-icp:hover{color:#fff}

/* 首页 hero */
.hero{background:linear-gradient(120deg,#fff0f4,#eef4ff);padding:64px 0 56px}
.hero__grid{max-width:var(--maxw);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.hero h1{font-size:38px;line-height:1.25;margin-bottom:16px}
.hero h1 .hl{background:linear-gradient(120deg,var(--pink),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#5b6270;font-size:16px;max-width:520px;margin-bottom:22px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.2s}
.mod-card:hover{transform:translateY(-3px)}
.mod-card__icon{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(120deg,#fff0f4,#eaf2ff);color:var(--brand);margin-bottom:12px}
.mod-card__icon svg{width:26px;height:26px}
.mod-card h3{font-size:17px;margin-bottom:6px}
.mod-card p{font-size:13.5px;color:var(--muted);margin:0}

/* 区块标题 */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:26px;gap:16px;flex-wrap:wrap}
.sec-head h2{font-size:26px}
.sec-head .sub{color:var(--muted);font-size:14px;margin-top:6px}
.sec-head a.more{color:var(--brand);font-weight:600;font-size:14px}

/* 卡片网格 */
.grid{display:grid;gap:20px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s;display:block}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}

/* 商品卡 */
.product-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.product-card__media img{width:100%;height:100%;object-fit:cover}
.product-card__body{padding:14px 16px 16px}
.product-card__cat{display:inline-block;font-size:12px;color:var(--brand);background:#fff0f4;padding:2px 10px;border-radius:999px;margin-bottom:8px}
.product-card__name{font-size:15.5px;line-height:1.4;height:43px;overflow:hidden;font-weight:600}
.product-card__meta{font-size:12.5px;color:var(--muted);margin:8px 0}
.product-card__price{display:flex;align-items:baseline;gap:8px}
.price-now{color:var(--brand);font-size:19px;font-weight:800}
.price-old{color:#b3b8c2;font-size:13px;text-decoration:line-through}

/* 资讯卡 */
.info-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.info-card__media img{width:100%;height:100%;object-fit:cover}
.info-card__body{padding:14px 16px 16px}
.info-card__cat{display:inline-block;font-size:12px;color:var(--blue);background:#eaf2ff;padding:2px 10px;border-radius:999px;margin-bottom:8px}
.info-card__title{font-size:15.5px;line-height:1.4;height:43px;overflow:hidden;font-weight:600}
.info-card__pub{font-size:12.5px;color:var(--muted);margin:8px 0 4px}
.info-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:10px;font-size:12.5px;color:var(--muted)}
.info-card__more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:3px}
.info-card__more svg{width:15px;height:15px}

/* 筛选条 */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.chip{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);cursor:pointer;font-size:14px;color:#4a5160}
.chip.active{background:linear-gradient(120deg,var(--pink),var(--blue));color:#fff;border-color:transparent}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.search-inline{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;overflow:hidden;flex:1;min-width:220px;max-width:360px}
.search-inline input{border:none;outline:none;padding:10px 16px;width:100%;font-family:inherit;font-size:14px}
.search-inline button{background:#fff;border:none;cursor:pointer;padding:10px 14px;color:var(--muted);display:flex}

/* 面包屑 */
.crumb{padding:16px 0;font-size:13.5px;color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb span{margin:0 8px}

/* 商品详情 */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.pd-media__stage{background:var(--soft);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;
  min-height:340px;padding:18px;border:1px solid var(--line)}
.pd-media__stage img{max-width:100%;max-height:480px;width:auto;height:auto;object-fit:contain;border-radius:10px}
.pd-thumbs{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.pd-thumbs img{width:74px;height:74px;object-fit:cover;border-radius:10px;border:2px solid transparent;cursor:pointer;background:var(--soft)}
.pd-thumbs img.on{border-color:var(--brand)}
.pd-info h1{font-size:25px;margin-bottom:12px}
.pd-info__cat{display:inline-block;font-size:12px;color:var(--brand);background:#fff0f4;padding:3px 12px;border-radius:999px;margin-bottom:14px}
.pd-price{display:flex;align-items:baseline;gap:12px;margin:14px 0}
.pd-price .now{color:var(--brand);font-size:30px;font-weight:800}
.pd-price .old{color:#b3b8c2;text-decoration:line-through}
.pd-price .tag{font-size:12px;background:#eaf2ff;color:var(--blue);padding:3px 10px;border-radius:999px}
.pd-buy{display:flex;gap:12px;align-items:center;margin:20px 0}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.qty button{width:38px;height:42px;border:none;background:#fff;font-size:18px;cursor:pointer;color:var(--ink)}
.qty input{width:52px;height:42px;border:none;text-align:center;border-left:1px solid var(--line);border-right:1px solid var(--line);font-family:inherit}
.pd-merchant{background:var(--soft);border-radius:14px;padding:16px;margin:18px 0;display:flex;align-items:center;gap:14px}
.pd-merchant__avatar{width:46px;height:46px;border-radius:12px;background:linear-gradient(120deg,var(--pink),var(--blue));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:0 0 auto}
.pd-merchant__name{font-weight:700}
.pd-merchant__meta{font-size:13px;color:var(--muted)}
.spec-table{width:100%;border-collapse:collapse;margin-top:8px}
.spec-table td{border:1px solid var(--line);padding:10px 14px;font-size:14px}
.spec-table td.sk{background:var(--soft);color:var(--muted);width:30%}
.pd-detail{padding-top:26px}
.pd-detail h3{font-size:19px;margin-bottom:12px}
.pd-detail p{color:#4a5160;margin:0 0 12px}

/* 购物车 */
.cart-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.cart-table th,.cart-table td{padding:15px 13px;text-align:left;border-bottom:1px solid var(--line);word-break:break-word}
.cart-table th{background:var(--soft);font-size:14px;color:#4a5160}
.cart-table td:last-child{text-align:right}
.cart-item{display:flex;gap:14px;align-items:center}
.cart-item img{width:84px;height:84px;object-fit:cover;border-radius:10px;background:var(--soft);flex:0 0 auto}
.cart-item__name{font-weight:600}
.cart-item__sub{font-size:12.5px;color:var(--muted)}
.cart-summary{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-top:20px}
.cart-summary__row{display:flex;justify-content:space-between;padding:8px 0;font-size:15px}
.cart-summary__total{font-size:22px;font-weight:800;color:var(--brand)}
.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}
.empty-state__icon{width:64px;height:64px;margin:0 auto 16px;color:var(--brand);opacity:.5}
.empty-state__icon svg{width:64px;height:64px}
.link{color:var(--brand);font-weight:600}

/* 表单 / 鉴权 */
.auth-wrap{max-width:440px;margin:50px auto;padding:0 20px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.auth-card h2{font-size:23px;margin-bottom:6px}
.auth-card .sub{color:var(--muted);margin-bottom:22px;font-size:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;margin-bottom:7px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;
  font-size:15px;font-family:inherit;outline:none;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--pink)}
.field textarea{min-height:140px;resize:vertical}
.agree{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:#4a5160;margin:6px 0 4px;line-height:1.6}
.agree input{margin-top:4px;width:16px;height:16px;flex:0 0 auto}
.agree a{color:var(--brand)}
.auth-alt{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}
.auth-alt a{color:var(--brand);font-weight:600}
.err-line{color:#d8453b;font-size:13.5px;min-height:20px;margin-top:4px}

/* 资讯详情 */
.art{max-width:860px;margin:0 auto}
.art-head h1{font-size:27px;margin:14px 0}
.art-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13.5px;margin-bottom:18px}
.art-meta .ic{color:var(--brand);display:inline-flex;vertical-align:-3px}
.art-cover{border-radius:var(--radius);overflow:hidden;margin:8px 0 22px;border:1px solid var(--line)}
.art-body{font-size:15.5px;color:#3a4150}
.art-body p{margin:0 0 16px}
.art-body b{color:var(--ink)}
.contact-card{background:var(--soft);border-radius:14px;padding:18px;margin:24px 0;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.contact-card__avatar{width:50px;height:50px;border-radius:13px;background:linear-gradient(120deg,var(--pink),var(--blue));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;flex:0 0 auto}
.contact-card__name{font-weight:700}
.contact-card__row{font-size:14px;color:#4a5160;display:flex;align-items:center;gap:7px;margin-top:3px}
.contact-card__row .ic{color:var(--brand);display:flex}
.contact-card__phone-full{color:var(--brand);font-weight:800}
.btn-login-tip{background:#fff7e9;color:#9a6a12;border:1px solid #f3e0bb;border-radius:10px;padding:10px 14px;font-size:13.5px;margin-top:10px}

/* 通用面板 / 列表 */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.panel h3{font-size:19px;margin-bottom:14px}
.list-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.list-row:last-child{border-bottom:none}
.tag-sm{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--soft2);color:#4a5160}
.tag-sm.ok{background:#e6f6ee;color:var(--ok)}
.tag-sm.warn{background:#fbeed7;color:var(--warn)}
.tag-sm.gray{background:#eef0f4;color:#8a90a0}

/* 步骤条 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:10px 0 28px}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;position:relative}
.step__no{width:30px;height:30px;border-radius:50%;background:linear-gradient(120deg,var(--pink),var(--blue));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:10px}
.step h4{font-size:15.5px;margin-bottom:6px}
.step p{font-size:13px;color:var(--muted);margin:0}

/* 费用方案 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.plan.hot{border-color:var(--brand);box-shadow:0 10px 30px rgba(255,111,151,.16)}
.plan__badge{position:absolute;top:-12px;left:24px;background:var(--brand);color:#fff;font-size:12px;padding:3px 12px;border-radius:999px}
.plan h3{font-size:18px}
.plan__fee{font-size:26px;font-weight:800;color:var(--brand);margin:10px 0}
.plan__fee small{font-size:13px;color:var(--muted);font-weight:500}
.plan__note{font-size:13px;color:var(--muted);margin-bottom:14px}
.plan ul{list-style:none;padding:0;margin:0 0 18px}
.plan li{padding:6px 0;font-size:14px;display:flex;gap:8px;align-items:center}
.plan li svg{width:17px;height:17px;color:var(--ok);flex:0 0 auto}

/* 后台 */
.admin-wrap{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start}
.admin-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;position:sticky;top:84px}
.admin-side a{display:block;padding:11px 14px;border-radius:10px;color:#4a5160;font-weight:500;font-size:14.5px}
.admin-side a.active,.admin-side a:hover{background:var(--soft2);color:var(--brand)}
.admin-main{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;min-height:420px}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat{background:var(--soft);border-radius:14px;padding:18px}
.stat__n{font-size:26px;font-weight:800;color:var(--brand)}
.stat__l{font-size:13px;color:var(--muted)}
.tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.tab{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);cursor:pointer;font-size:14px}
.tab.active{background:var(--soft2);color:var(--brand);border-color:transparent}
.review-item{border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px}
.review-item__top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.review-item__title{font-weight:700;font-size:15.5px}
.review-item__meta{font-size:12.5px;color:var(--muted);margin:6px 0}
.review-item__actions{display:flex;gap:8px;margin-top:10px}
.mini-btn{padding:7px 14px;border-radius:9px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:13.5px;font-family:inherit}
.mini-btn.ok{background:var(--ok);color:#fff;border-color:transparent}
.mini-btn.bad{background:#d8453b;color:#fff;border-color:transparent}
.mini-btn.ghost:hover{border-color:var(--pink);color:var(--brand)}

/* 关于 / 文字页 */
.prose{max-width:880px;margin:0 auto}
.prose h2{font-size:22px;margin:26px 0 12px}
.prose p{color:#4a5160;margin:0 0 14px}
.prose ul{padding-left:22px;color:#4a5160}
.prose li{margin:6px 0}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:16px 0}
.info-box{background:var(--soft);border-radius:12px;padding:16px}
.info-box b{color:var(--ink)}

/* 轻提示 */
.bar-toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);background:#2b2f38;color:#fff;
  padding:12px 22px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:300}
.bar-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 店铺列表 */
.shop-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;gap:16px;align-items:center}
.shop-card__logo{width:58px;height:58px;border-radius:14px;background:linear-gradient(120deg,var(--pink),var(--blue));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;flex:0 0 auto}
.shop-card__name{font-weight:700;font-size:16px}
.shop-card__meta{font-size:13px;color:var(--muted);margin-top:4px}

/* 响应式 */
@media (max-width:980px){
  .hero__grid{grid-template-columns:1fr}
  .ft-inner{grid-template-columns:1fr 1fr}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .pd{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .admin-wrap{grid-template-columns:1fr}
  .admin-side{position:static;display:flex;flex-wrap:wrap;gap:6px}
  .admin-side a{flex:1 1 auto;text-align:center}
  .stat-cards{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .hdr-nav{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;padding:10px 20px;gap:2px}
  .hdr-nav.open{display:flex}
  .hdr-menu-btn{display:flex}
  .hdr-search{display:none}
  .hero h1{font-size:28px}
  .grid--4,.grid--3{grid-template-columns:1fr}
  .ft-inner{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stat-cards{grid-template-columns:1fr 1fr}
}