/* roulang page: index */
:root{
  --paper:#f6f4ef;
  --inkc:#14161a;
  --brandy:#17604f;
  --accentq:#cf5b3f;
  --mutedx:#6b7078;
  --linec:#e3ded4;
  --cardbg:#ffffff;
  --rds:14px;
  --shd:0 10px 30px rgba(20,22,26,.09);
  --sp:clamp(52px,7vw,92px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--inkc);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,p,ul,figure{margin:0;padding:0}

/* 顶栏 */
.zietb-head{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--linec)}
.zietb-bar{max-width:1180px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:22px}
.zietb-logo{display:flex;align-items:center;gap:10px;flex:none;min-height:44px}
.zietb-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,#1d7a63,#0d3a30);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:700;letter-spacing:.02em}
.zietb-name{font-size:19px;font-weight:800;letter-spacing:.02em}
.zietb-nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.zietb-nav::-webkit-scrollbar{display:none}
.zietb-nav a{padding:0 14px;min-height:44px;display:inline-flex;align-items:center;border-radius:999px;font-size:15px;color:#33383f;white-space:nowrap;transition:background .22s,color .22s}
.zietb-nav a:hover,.zietb-nav a:focus-visible{background:#eae6dd;color:var(--brandy);outline:none}

/* 首屏 */
.zietb-hero{position:relative;background:#0d1a16 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;text-align:center;padding:clamp(60px,9vw,110px) 24px clamp(56px,8vw,92px)}
.zietb-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,20,17,.82),rgba(9,20,17,.93))}
.zietb-hero-in{position:relative;max-width:820px;margin:0 auto}
.zietb-kicker{font-size:13px;letter-spacing:.24em;color:#9fd3c2;font-weight:700;margin-bottom:16px}
.zietb-h1{font-size:clamp(30px,5.4vw,56px);line-height:1.16;letter-spacing:-.02em;margin-bottom:20px;font-weight:800}
.zietb-lede{font-size:clamp(14.5px,1.6vw,16.5px);color:#d5ded9;max-width:660px;margin:0 auto}
.zietb-search{display:flex;gap:8px;max-width:540px;margin:28px auto 0;background:#fff;padding:7px;border-radius:999px;box-shadow:0 16px 40px rgba(0,0,0,.28)}
.zietb-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:#14161a;font-size:15px;padding:0 16px;min-height:44px;border-radius:999px}
.zietb-search button{border:0;cursor:pointer;background:var(--brandy);color:#fff;font-weight:700;font-size:15px;padding:0 24px;min-height:44px;border-radius:999px;transition:background .2s,transform .2s}
.zietb-search button:hover{background:#0f4a3c;transform:translateY(-1px)}
.zietb-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.zietb-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:18px}
.zietb-chips a{min-height:40px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;border:1px solid rgba(255,255,255,.3);font-size:14px;color:#e6efe9;transition:background .2s,border-color .2s}
.zietb-chips a:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.55)}
.zietb-hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.zietb-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 26px;border-radius:999px;background:var(--accentq);color:#fff;font-weight:700;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s}
.zietb-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(207,91,63,.35);background:#b94e34}
.zietb-btn--ghost{background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff}
.zietb-btn--ghost:hover{background:rgba(255,255,255,.14);box-shadow:none}

/* 通用板块 */
.zietb-sec{padding:var(--sp) 0;scroll-margin-top:80px}
.zietb-sec--alt{background:#fff;border-top:1px solid var(--linec);border-bottom:1px solid var(--linec)}
.zietb-wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.zietb-shead{max-width:760px;margin-bottom:34px}
.zietb-eyebrow{font-size:12.5px;letter-spacing:.22em;color:var(--brandy);font-weight:800;margin-bottom:10px}
.zietb-h2{font-size:clamp(23px,3.2vw,33px);line-height:1.25;letter-spacing:-.01em;margin-bottom:12px}
.zietb-desc{color:var(--mutedx);font-size:15.5px}

/* 品牌故事 */
.zietb-story{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,56px);align-items:center}
.zietb-story-txt p+p{margin-top:14px}
.zietb-story-txt .zietb-desc{margin-bottom:0}
.zietb-dots{list-style:none;margin-top:22px;display:grid;gap:10px}
.zietb-dots li{position:relative;padding-left:22px;font-size:14.8px;color:#3a3f47}
.zietb-dots li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brandy)}
.zietb-figure{border-radius:18px;overflow:hidden;box-shadow:var(--shd)}
.zietb-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* 分类频道 */
.zietb-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;list-style:none}
.zietb-cat{background:#fff;border:1px solid var(--linec);border-radius:var(--rds);padding:22px;transition:transform .22s,box-shadow .22s}
.zietb-cat:hover{transform:translateY(-3px);box-shadow:var(--shd)}
.zietb-cat h3{font-size:17px;margin-bottom:8px;color:var(--brandy)}
.zietb-cat p{font-size:14px;color:var(--mutedx)}

/* 卡片网格 */
.zietb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:22px;list-style:none}
.zietb-card{background:var(--cardbg);border:1px solid var(--linec);border-radius:var(--rds);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.zietb-card:hover{transform:translateY(-5px);box-shadow:var(--shd)}
.zietb-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#dfe3e0}
.zietb-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.zietb-card:hover .zietb-thumb img{transform:scale(1.05)}
.zietb-badge{position:absolute;left:10px;top:10px;background:rgba(20,22,26,.8);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px;letter-spacing:.02em}
.zietb-score{position:absolute;right:10px;bottom:10px;background:var(--accentq);color:#fff;font-size:13px;font-weight:800;padding:2px 9px;border-radius:8px;font-variant-numeric:tabular-nums}
.zietb-body{padding:14px 14px 16px}
.zietb-title{font-size:16px;line-height:1.4;margin-bottom:6px}
.zietb-meta{font-size:13.5px;color:var(--mutedx)}

/* 排行榜 */
.zietb-rank{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.zietb-rank li{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed var(--linec)}
.zietb-num{flex:none;width:34px;font-size:18px;font-weight:800;color:#a8aca6;font-variant-numeric:tabular-nums}
.zietb-rank li:nth-child(-n+3) .zietb-num{color:var(--accentq)}
.zietb-rankname{font-weight:700;font-size:15.5px}
.zietb-rankmeta{margin-left:auto;text-align:right;font-size:13px;color:var(--mutedx);white-space:nowrap}

/* 高分列表 */
.zietb-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.zietb-item{display:flex;gap:16px;background:#fff;border:1px solid var(--linec);border-radius:var(--rds);padding:18px;transition:box-shadow .22s,transform .22s}
.zietb-item:hover{transform:translateY(-3px);box-shadow:var(--shd)}
.zietb-pt{flex:none;font-size:20px;font-weight:800;color:var(--accentq);font-variant-numeric:tabular-nums}
.zietb-itemtext strong{display:block;font-size:15.5px;margin-bottom:4px}
.zietb-itemtext span{font-size:14px;color:var(--mutedx)}

/* 专题 */
.zietb-topics{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.zietb-topic{position:relative;min-height:250px;border-radius:18px;overflow:hidden;display:flex;align-items:flex-end;color:#fff;padding:26px}
.zietb-topic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.zietb-topic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,20,17,.12),rgba(10,20,17,.9))}
.zietb-topic-in{position:relative;z-index:2}
.zietb-topic h3{font-size:20px;margin-bottom:8px}
.zietb-topic p{font-size:14px;color:#d6ddd8}

/* 会员权益 */
.zietb-perks{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;list-style:none}
.zietb-perk{background:#fff;border:1px solid var(--linec);border-radius:var(--rds);padding:22px}
.zietb-perk h3{font-size:16px;margin-bottom:8px}
.zietb-perk p{font-size:14px;color:var(--mutedx)}

/* 资讯 */
.zietb-news{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.zietb-news li{display:flex;gap:16px;background:#fff;border:1px solid var(--linec);border-radius:var(--rds);padding:14px;transition:box-shadow .22s}
.zietb-news li:hover{box-shadow:var(--shd)}
.zietb-news img{flex:none;width:118px;height:88px;object-fit:cover;border-radius:10px}
.zietb-newsbody h3{font-size:15.5px;line-height:1.45;margin-bottom:6px}
.zietb-newsbody p{font-size:13.6px;color:var(--mutedx)}
.zietb-time{display:inline-block;margin-top:8px;font-size:12.5px;color:var(--brandy);font-weight:700}

/* 保障条 */
.zietb-safe{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.zietb-safe li{position:relative;padding-left:26px;font-size:14.5px;color:#3a3f47}
.zietb-safe li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brandy);font-weight:800}

/* 口碑 */
.zietb-voices{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.zietb-voice{background:#fff;border:1px solid var(--linec);border-radius:var(--rds);padding:22px}
.zietb-voice p{font-size:15px;margin-bottom:12px}
.zietb-voice span{font-size:13.5px;color:var(--mutedx)}

/* 问答 */
.zietb-faq{display:grid;gap:12px;max-width:880px}
.zietb-faq details{background:#fff;border:1px solid var(--linec);border-radius:12px;padding:2px 18px;transition:border-color .2s}
.zietb-faq details[open]{border-color:#c9d6cf}
.zietb-faq summary{cursor:pointer;list-style:none;display:flex;align-items:center;min-height:46px;padding:12px 0;font-weight:700;font-size:15.5px}
.zietb-faq summary::-webkit-details-marker{display:none}
.zietb-faq summary::after{content:"+";margin-left:auto;color:var(--brandy);font-weight:800}
.zietb-faq details[open] summary::after{content:"–"}
.zietb-faq p{font-size:14.5px;color:var(--mutedx);padding-bottom:16px}

/* 收口 */
.zietb-cta{background:linear-gradient(135deg,#124236,#0a261f);color:#fff;border-radius:20px;padding:clamp(30px,5vw,56px);text-align:center}
.zietb-cta h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px}
.zietb-cta p{color:#c6d5cd;font-size:15px;max-width:620px;margin:0 auto 26px}

/* 页脚 */
.zietb-foot{background:#14161a;color:#c3c9c4;padding:58px 0 0}
.zietb-foot-grid{max-width:1180px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.zietb-foot h3{color:#fff;font-size:15px;margin-bottom:14px}
.zietb-foot p{font-size:14px;color:#9aa19b}
.zietb-foot ul{list-style:none;display:grid;gap:10px}
.zietb-foot a{font-size:14px;color:#c3c9c4;transition:color .2s}
.zietb-foot a:hover{color:#fff}
.zietb-copy{border-top:1px solid #262a2f;margin-top:42px;padding:20px 24px;text-align:center;font-size:13px;color:#828a83}

/* 响应式 */
@media (max-width:1024px){
  .zietb-cats{grid-template-columns:repeat(2,1fr)}
  .zietb-perks,.zietb-safe{grid-template-columns:repeat(2,1fr)}
  .zietb-voices{grid-template-columns:repeat(2,1fr)}
  .zietb-story{grid-template-columns:1fr}
  .zietb-figure img{aspect-ratio:16/9}
  .zietb-foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .zietb-bar{padding:8px 16px;gap:12px}
  .zietb-nav a{padding:0 11px;font-size:14px}
  .zietb-wrap,.zietb-hero{padding-left:18px;padding-right:18px}
  .zietb-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .zietb-list,.zietb-news,.zietb-topics,.zietb-rank{grid-template-columns:1fr}
  .zietb-voices{grid-template-columns:1fr}
  .zietb-search{flex-wrap:nowrap}
}
@media (max-width:520px){
  .zietb-cats,.zietb-perks,.zietb-safe{grid-template-columns:1fr}
  .zietb-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .zietb-body{padding:12px 12px 14px}
  .zietb-title{font-size:14.5px}
  .zietb-meta{font-size:12.5px}
  .zietb-news li{flex-direction:column}
  .zietb-news img{width:100%;height:140px}
  .zietb-search{padding:6px;border-radius:16px}
  .zietb-search button{padding:0 16px}
  .zietb-hero-btns{flex-direction:column;align-items:stretch}
  .zietb-foot-grid{grid-template-columns:1fr}
  .zietb-rankmeta{font-size:12px}
}