/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --primary:#14485C;
  --primary-mid:#1B6076;
  --primary-light:#E4EEF1;
  --accent:#E8611F;
  --accent-light:#FDEBE0;
  --green:#2E8B7E;
  --ink:#10262E;
  --muted:#62727B;
  --line:#E3E7E6;
  --warn:#B85C4B;
  --r-btn:10px;
  --r-card:14px;
  --r-img:20px;
  --r-input:10px;
  --sh-sm:0 1px 2px rgba(16,38,46,.06);
  --sh-md:0 6px 18px -8px rgba(16,38,46,.14);
  --sh-lg:0 18px 40px -20px rgba(16,38,46,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1180px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--primary-mid);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--accent)}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{cursor:pointer;background:none;border:0;padding:0}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
[id]{scroll-margin-top:72px}

/* ============ 通用标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;letter-spacing:.01em;font-weight:700;color:var(--ink)}
.sec-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px}
.sec-head--center{flex-direction:column;align-items:center;text-align:center}
.more-link{font-size:14.5px;color:var(--primary-mid);border-bottom:1px solid transparent;transition:border-color .18s var(--ease),color .18s var(--ease)}
.more-link:hover{border-bottom-color:var(--accent);color:var(--accent)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--sh-sm)}
.btn--primary:hover{background:#D2551A;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn--solid{background:var(--primary);color:#fff}
.btn--solid:hover{background:#0F3A4B;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--primary)}
.btn--ghost:hover{border-color:var(--primary-mid);color:var(--primary);transform:translateY(-1px);box-shadow:var(--sh-sm)}
.btn--light{background:#fff;color:var(--primary)}
.btn--light:hover{background:var(--primary-light);color:var(--primary)}
.btn--block{width:100%}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.55;cursor:not-allowed}

/* ============ 标签 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;letter-spacing:.06em;
  background:var(--primary-light);color:var(--primary);font-weight:600;
}
.pill--accent{background:var(--accent-light);color:#B84A11}
.pill--green{background:#E3F3EF;color:#1F6B60}

/* ============ 头部 ============ */
.brand-bar{background:#fff;border-bottom:1px solid var(--line)}
.brand-bar__inner{
  position:relative;display:flex;align-items:center;gap:24px;min-height:64px;
}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--primary)}
.logo:hover{color:var(--primary)}
.logo__mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;
  background:linear-gradient(160deg,var(--primary-mid),var(--primary));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:0;
}
.logo__text{font-size:17.5px;font-weight:700;line-height:1.25;letter-spacing:.01em;white-space:nowrap}
.search-box{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;gap:10px;
  height:42px;padding:0 16px;border-radius:999px;background:#F1F3F2;
  border:1px solid transparent;transition:background-color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(20,72,92,.10)}
.search-box svg{flex:0 0 16px;color:var(--muted)}
.search-box input{flex:1;border:0;background:transparent;font-size:14.5px;outline:none;min-width:0}
.search-box input::placeholder{color:#95A1A7}
.search-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;color:var(--primary);background:#fff}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.brand-actions .btn{min-height:42px;padding:0 18px;font-size:15px}

.channel-tabs{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease);
}
.channel-tabs.is-stuck{box-shadow:0 6px 16px -12px rgba(16,38,46,.35)}
.tab-nav{
  position:relative;display:flex;align-items:center;gap:6px;
  height:48px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tab-nav::-webkit-scrollbar{display:none}
.tab-nav::before,.tab-nav::after{content:"";position:absolute;top:0;bottom:0;width:24px;pointer-events:none;z-index:2}
.tab-nav::before{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0))}
.tab-nav::after{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0))}
.tab{
  flex:0 0 auto;padding:7px 17px;border-radius:999px;font-size:14.5px;
  color:var(--muted);font-weight:500;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.tab:hover{background:var(--primary-light);color:var(--primary)}
.tab.is-active{background:var(--primary);color:#fff;font-weight:600}
.tab.is-active:hover{background:var(--primary);color:#fff}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 84px;background:var(--bg)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(20,72,92,.05) 0 1px,transparent 1px 16px);
}
.hero>.container{position:relative;z-index:1}
.hero__grid{align-items:center}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--primary);letter-spacing:.04em;
  box-shadow:var(--sh-sm);margin-bottom:20px;
}
.hero__eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.hero h1{
  font-size:clamp(32px,4.2vw,48px);line-height:1.24;font-weight:800;letter-spacing:.01em;
  color:var(--ink);margin-bottom:18px;
}
.hero__sub{font-size:17px;color:var(--muted);line-height:1.75;max-width:520px;margin-bottom:30px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:38px}
.hero__stats{display:flex;flex-wrap:wrap;gap:14px 34px;padding-top:26px;border-top:1px solid var(--line);max-width:560px}
.hero__stats li{display:flex;flex-direction:column;gap:2px}
.hero__stats strong{font-size:22px;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3}
.hero__stats span{font-size:13.5px;color:var(--muted)}
.hero__media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-lg);aspect-ratio:7/5;background:var(--primary-light)}
.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;background:rgba(20,72,92,.07);pointer-events:none}
.hero__badge{
  position:absolute;left:20px;bottom:20px;z-index:2;background:rgba(255,255,255,.95);
  border-radius:12px;padding:10px 16px;font-size:13.5px;color:var(--primary);font-weight:600;
  box-shadow:var(--sh-md);
}

/* ============ 权益阶梯 ============ */
.ladder-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ladder{display:flex;flex-direction:column;gap:14px}
.ladder__item{
  display:flex;align-items:center;gap:22px;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary-light);
  border-radius:var(--r-card);padding:20px 26px;box-shadow:var(--sh-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.ladder__item:hover{transform:translateX(3px);box-shadow:var(--sh-md);border-left-color:var(--accent)}
.ladder__item:nth-child(1){width:82%;border-left-color:#C7DBE1}
.ladder__item:nth-child(2){width:88%;border-left-color:#9EC0CB}
.ladder__item:nth-child(3){width:94%;border-left-color:var(--primary-mid)}
.ladder__item:nth-child(4){width:100%;border-left-color:var(--accent)}
.ladder__no{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);font-weight:700;font-size:17px;font-variant-numeric:tabular-nums;
}
.ladder__item:nth-child(4) .ladder__no{background:var(--accent-light);color:#B84A11}
.ladder__body{flex:1;min-width:0}
.ladder__body h3{font-size:19px;font-weight:700;line-height:1.35;margin-bottom:4px}
.ladder__body p{font-size:14.5px;color:var(--muted);line-height:1.7}
.ladder__tag{flex:0 0 auto}

/* ============ 套餐对比 ============ */
.plans{align-items:stretch}
.plan{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 24px;box-shadow:var(--sh-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.plan:hover{box-shadow:var(--sh-md)}
.plan--featured{border-top:3px solid var(--accent);box-shadow:var(--sh-md)}
.plan__flag{
  position:absolute;top:-1px;right:20px;background:var(--accent);color:#fff;
  font-size:12.5px;letter-spacing:.06em;font-weight:600;padding:4px 12px;border-radius:0 0 10px 10px;
}
.plan__name{font-size:20px;font-weight:700;line-height:1.35}
.plan__meta{font-size:13.5px;color:var(--muted);margin-top:4px}
.plan__price{font-size:15px;color:var(--primary);font-weight:600;margin:14px 0 18px;padding-bottom:18px;border-bottom:1px dashed var(--line)}
.plan__price em{font-style:normal;font-size:26px;font-variant-numeric:tabular-nums;margin-right:4px}
.plan__list{flex:1;display:flex;flex-direction:column;gap:11px;margin-bottom:22px}
.plan__list li{display:flex;gap:10px;font-size:14.5px;color:#31474F;line-height:1.7}
.plan__list li::before{
  content:"";flex:0 0 16px;width:16px;height:16px;margin-top:6px;border-radius:50%;
  background:var(--primary-light) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.4l2.6 2.6L12 5.6' stroke='%2314485C' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;
}
.plan--featured .plan__list li::before{
  background-color:var(--accent-light);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.4l2.6 2.6L12 5.6' stroke='%23E8611F' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* ============ 限时入口条 ============ */
.urgent-wrap{padding:0 0 88px}
.urgent{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(120deg,#14485C 0%,#1B6076 100%);
  border-radius:var(--r-card);padding:26px 34px;min-height:104px;color:#fff;box-shadow:var(--sh-md);
}
.urgent__text h2{font-size:clamp(19px,2vw,24px);color:#fff;font-weight:700;line-height:1.4}
.urgent__text p{margin-top:6px;font-size:14px;color:rgba(255,255,255,.78)}
.urgent__right{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.countdown{display:flex;align-items:flex-start;gap:8px}
.cd-unit{display:flex;flex-direction:column;align-items:center;gap:6px}
.cd-box{
  width:50px;height:50px;border-radius:10px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;
}
.cd-unit span{font-size:11.5px;letter-spacing:.06em;color:rgba(255,255,255,.7)}
.cd-sep{font-size:20px;font-weight:700;color:rgba(255,255,255,.45);padding-top:11px}

/* ============ 资讯列表 ============ */
.post-list{margin-top:0}
.post-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md)}
.post-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--primary-light)}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card:hover .post-card__media img{transform:scale(1.02)}
.post-card__body{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px;gap:10px}
.post-card__title{
  font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__title a{color:inherit}
.post-card__title a:hover{color:var(--primary-mid)}
.post-card__excerpt{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.post-card__time{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.post-card__read{font-size:14px;font-weight:600;color:var(--primary-mid);display:inline-flex;align-items:center;gap:4px}
.post-card__read::after{content:"";width:0;height:0;border-left:5px solid currentColor;border-top:4px solid transparent;border-bottom:4px solid transparent;transition:transform .18s var(--ease)}
.post-card:hover .post-card__read{color:var(--accent)}
.post-card:hover .post-card__read::after{transform:translateX(3px)}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;border:1px dashed #CBD6D6;border-radius:var(--r-card);background:#fff;text-align:center;
}
.empty-state__icon{width:52px;height:52px;border-radius:14px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:22px;font-weight:700}
.empty-state p{color:var(--muted);font-size:15px}
.empty-state .btn{margin-top:6px}

/* ============ 数据与反馈 ============ */
.proof-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proof-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.proof-stat{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);padding:22px 20px}
.proof-stat strong{display:block;font-size:27px;color:var(--primary);line-height:1.3;font-variant-numeric:tabular-nums}
.proof-stat span{font-size:14px;color:var(--muted)}
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.quote{background:var(--bg);border-radius:var(--r-card);padding:26px 24px;border:1px solid var(--line)}
.quote p{font-size:15.5px;line-height:1.85;color:#31474F}
.quote footer{margin-top:16px;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ============ 咨询表单 ============ */
.consult{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--sh-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:#31474F;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-input);border:1px solid #D8DFDF;background:#fff;
  padding:0 14px;font-size:15px;outline:none;appearance:none;-webkit-appearance:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.75;resize:vertical}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 6.5l4 4 4-4' stroke='%2362727B' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(20,72,92,.10)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--warn);box-shadow:0 0 0 3px rgba(184,92,75,.10)}
.field__tip{display:none;font-size:13px;color:var(--warn);margin-top:6px}
.field.has-error .field__tip{display:block}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-sm)}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:16px}
.side-list{display:flex;flex-direction:column;gap:16px}
.side-list li{display:flex;gap:12px}
.side-list .side-ico{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:13px;font-weight:700;
}
.side-list strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:2px}
.side-list p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ FAQ ============ */
.faq-section{background:#fff;border-top:1px solid var(--line)}
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line);border-left:3px solid transparent;transition:border-color .2s var(--ease),background-color .2s var(--ease)}
.faq__item[open]{border-left-color:var(--accent);background:#FCFDFD}
.faq__q{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 20px 20px 18px;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:color .18s var(--ease);
}
.faq__q::-webkit-details-marker{display:none}
.faq__q:hover{color:var(--primary-mid)}
.faq__q::after{
  content:"";flex:0 0 16px;width:16px;height:16px;
  background:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 3v10M3 8h10' stroke='%2362727B' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") center/14px no-repeat;
  transition:transform .2s var(--ease);
}
.faq__item[open] .faq__q::after{
  transform:rotate(45deg);
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 3v10M3 8h10' stroke='%23E8611F' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
}
.faq__a{padding:0 20px 22px 18px;font-size:15px;line-height:1.8;color:var(--muted);max-width:820px}

/* ============ 页脚 ============ */
.site-footer{background:#F1F3F2;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand .logo__mark{width:34px;height:34px;flex:0 0 34px;font-size:18px}
.footer-brand strong{font-size:16.5px;color:var(--primary);line-height:1.3}
.footer-col h4{font-size:14.5px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:.02em}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.8;max-width:330px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--muted);transition:color .18s var(--ease)}
.footer-col ul a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.footer-bottom .to-top{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--primary);
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 16px;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.footer-bottom .to-top:hover{border-color:var(--primary-mid);color:var(--accent);transform:translateY(-1px)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:68px 0}
  .hero{padding:56px 0 64px}
  .hero__grid{row-gap:38px}
  .hero__media{aspect-ratio:16/10}
  .hero__stats{max-width:none}
  .consult{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .proof-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .brand-bar__inner{gap:14px;min-height:58px}
  .logo__text{font-size:16px;white-space:normal}
  .search-box{display:none}
  .search-toggle{display:flex}
  .search-box.is-open{
    display:flex;position:absolute;top:100%;left:12px;right:12px;margin-top:8px;max-width:none;
    background:#fff;border:1px solid var(--line);box-shadow:var(--sh-md);z-index:120;
  }
  .brand-actions .btn--ghost{display:none}
  .ladder__item{width:100%!important}
  .quotes{grid-template-columns:1fr}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .sec-head{margin-bottom:26px}
  .hero{padding:44px 0 52px}
  .hero h1{font-size:clamp(27px,7.6vw,34px)}
  .hero__sub{font-size:15.5px}
  .hero__cta .btn{flex:1 1 100%}
  .hero__stats{gap:14px 24px}
  .plan--featured{transform:none}
  .urgent{padding:22px 20px;flex-direction:column;align-items:flex-start}
  .urgent__right{width:100%;justify-content:space-between}
  .proof-stats{grid-template-columns:1fr 1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .faq__q{font-size:15.5px;padding:17px 12px 17px 14px}
  .faq__a{padding:0 14px 20px 14px}
  .form-card{padding:24px 20px}
  .ladder__item{padding:18px 18px;gap:16px}
  .plan{padding:22px 20px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .grid-x{margin-left:-8px;margin-right:-8px}
  .grid-x>.cell{padding-left:8px;padding-right:8px}
  .logo__mark{width:32px;height:32px;flex:0 0 32px;font-size:17px}
  .logo__text{font-size:15px}
  .brand-actions .btn{padding:0 14px;font-size:14.5px}
  .hero__stats{flex-direction:column;gap:12px}
  .hero__stats li{flex-direction:row;align-items:baseline;gap:10px}
  .proof-stats{grid-template-columns:1fr}
  .cd-box{width:42px;height:42px;font-size:18px}
  .urgent__right{gap:14px}
  .urgent .btn{width:100%}
  .post-card__body{padding:16px 16px 18px}
  .post-card__title{font-size:16.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg:#F6F7F5;
  --surface:#FFFFFF;
  --primary-900:#14485C;
  --primary:#1B6076;
  --primary-100:#CFE0E6;
  --primary-50:#E4EEF1;
  --accent:#E8611F;
  --accent-600:#CE4F13;
  --accent-50:#FDEBE0;
  --jade:#2E8B7E;
  --jade-50:#E4F1EE;
  --text:#10262E;
  --muted:#62727B;
  --line:#E3E7E6;
  --line-soft:#EDF0EF;
  --radius-xs:8px;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(16,38,46,.06);
  --shadow-md:0 6px 18px -8px rgba(16,38,46,.14);
  --shadow-lg:0 18px 40px -20px rgba(16,38,46,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.button,button.button{background:transparent;border:0;color:inherit;padding:0;margin:0;font-size:1rem;border-radius:0;box-shadow:none}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
[id]{scroll-margin-top:72px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -12px rgba(232,97,31,.95)}
.btn--primary:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:#fff;color:var(--primary-900);border-color:var(--primary-100)}
.btn--ghost:hover{border-color:var(--primary);background:var(--primary-50)}
.btn--dark{background:var(--primary-900);color:#fff}
.btn--dark:hover{background:#0F3A4B;transform:translateY(-1px)}
.btn--light{background:#fff;color:var(--primary-900)}
.btn--light:hover{background:var(--primary-50)}
.btn--lg{height:48px;padding:0 26px;font-size:16px}
.btn--block{width:100%}

/* ---------- 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;font-weight:600;line-height:1;
}
.pill--jade{background:var(--jade-50);color:#1F6C61}
.pill--accent{background:var(--accent-50);color:#B5450F}
.pill--primary{background:var(--primary-50);color:var(--primary-900)}
.pill--light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.32)}

/* ---------- 头部 ---------- */
.site-header{position:relative;z-index:120;background:#fff}
.brand-bar{border-bottom:1px solid var(--line);background:#fff}
.brand-bar__inner{
  display:flex;align-items:center;gap:20px;height:64px;
  max-width:1180px;margin:0 auto;padding:0 24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  display:grid;place-items:center;font-size:17px;font-weight:800;color:#fff;
  background:linear-gradient(140deg,var(--primary-900),var(--primary));
  box-shadow:var(--shadow-sm);
}
.logo__text{font-size:17px;font-weight:700;color:var(--primary-900);letter-spacing:.01em;white-space:nowrap}
.search-box{
  display:flex;align-items:center;gap:8px;flex:1 1 320px;max-width:420px;height:42px;
  padding:0 16px;background:#F1F3F1;border:1px solid transparent;border-radius:999px;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search-box svg{flex:0 0 auto;color:var(--muted)}
.search-box input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:#93A1A7}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,96,118,.12)}
.search-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:999px;border:1px solid var(--line);color:var(--primary-900);background:#fff;
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.search-toggle:hover{background:var(--primary-50);border-color:var(--primary-100)}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}

.channel-tabs{position:sticky;top:0;z-index:110;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--dur) var(--ease)}
.channel-tabs.is-stuck{box-shadow:var(--shadow-md)}
.tab-nav{
  display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;
  max-width:1180px;margin:0 auto;padding:0 24px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tab-nav::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:999px;font-size:14px;color:var(--muted);border:1px solid transparent;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.tab:hover{color:var(--primary-900);background:var(--primary-50)}
.tab.is-active{background:var(--primary-900);color:#fff;font-weight:600}
.tab.is-active:hover{background:var(--primary-900);color:#fff}

/* ---------- 内页头图 ---------- */
.page-hero{
  position:relative;background-color:var(--primary-900);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{content:"";position:absolute;inset:0;background:rgba(20,72,92,.88)}
.page-hero__inner{position:relative;z-index:2;padding:26px 0 30px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:0;font-size:13.5px;color:rgba(255,255,255,.78)}
.breadcrumb li{display:inline-flex;align-items:center;min-width:0}
.breadcrumb li+li::before{content:"/";margin:0 10px;color:rgba(255,255,255,.4)}
.breadcrumb a{color:rgba(255,255,255,.95);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb .is-current{color:rgba(255,255,255,.62);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章 ---------- */
.article-section{padding:56px 0 8px}
.article-shell{
  max-width:860px;margin:0 auto;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);padding:40px 48px 44px;
}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--line-soft)}
.article-head h1{
  font-size:clamp(26px,3.5vw,38px);line-height:1.3;font-weight:750;
  color:var(--primary-900);margin:14px 0 16px;letter-spacing:-.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--primary-100);display:inline-block}

.article-body{max-width:780px;font-size:17px;line-height:1.85;color:var(--text);padding-top:28px;word-break:break-word}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.35;font-weight:700;color:var(--primary-900);
  margin:2.1em 0 .85em;padding-left:16px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--accent)}
.article-body h3{font-size:19px;line-height:1.4;font-weight:700;color:var(--primary-900);margin:1.7em 0 .7em}
.article-body h4{font-size:17px;font-weight:700;margin:1.5em 0 .6em}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(27,96,118,.35);transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.article-body a:hover{color:var(--accent);border-bottom-width:2px;border-color:var(--accent)}
.article-body strong{font-weight:700;color:var(--primary-900)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--jade)}
.article-body img{border-radius:12px;margin:1.5em 0 .7em;width:100%}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--primary);
  background:var(--primary-50);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#20454F;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--primary-50);color:var(--primary-900);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:#F1F3F1;border-radius:6px;padding:2px 6px;font-size:15px}

.article-cta{
  margin:38px 0 0;padding:24px 26px;background:var(--primary-50);
  border:1px solid #D5E4E8;border-radius:var(--radius-md);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.article-cta__text{max-width:520px}
.article-cta__text h2{font-size:19px;font-weight:700;color:var(--primary-900);margin-bottom:6px}
.article-cta__text p{font-size:15px;color:var(--muted);line-height:1.7}

.article-back{
  margin-top:28px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:8px 26px;font-size:14.5px;
}
.article-back a{color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:color var(--dur) var(--ease)}
.article-back a:hover{color:var(--accent)}
.article-back a::before{content:"←";font-size:15px}

.empty-state{
  text-align:center;padding:48px 20px;border:1px dashed var(--line);
  border-radius:var(--radius-md);background:#FAFBFA;
}
.empty-state__icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:var(--primary-50);color:var(--primary);
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--primary-900);margin-bottom:8px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.eyebrow{font-size:12.5px;letter-spacing:.14em;font-weight:700;color:var(--jade);text-transform:uppercase;margin-bottom:8px}
.section-head h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;font-weight:750;color:var(--primary-900)}
.link-more{font-size:14.5px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:color var(--dur) var(--ease),gap var(--dur) var(--ease)}
.link-more:hover{color:var(--accent);gap:10px}
.rec-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary-100)}
.rec-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9EDEC}
.rec-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.rec-card:hover .rec-card__media img{transform:scale(1.02)}
.rec-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rec-card__body h3{font-size:17px;line-height:1.45;font-weight:700;color:var(--primary-900)}
.rec-card__body p{font-size:14.5px;line-height:1.72;color:var(--muted);flex:1 1 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F3F1;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.15fr;gap:36px;padding:56px 0 40px}
.footer-brand__logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand__logo .logo__mark{width:32px;height:32px;font-size:16px}
.footer-brand__logo .logo__text{font-size:16px;color:var(--primary-900);white-space:normal}
.footer-brand p{font-size:14.5px;line-height:1.8;color:var(--muted);max-width:330px}
.footer-col h3{font-size:15px;font-weight:700;color:var(--primary-900);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:var(--muted);transition:color var(--dur) var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col li{font-size:14.5px;color:var(--muted);line-height:1.7}
.footer-bar{border-top:1px solid var(--line)}
.footer-bar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 24px;max-width:1180px;margin:0 auto;font-size:13.5px;color:var(--muted);
}
.footer-bar__inner .to-top{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--primary-900);
  font-size:13.5px;font-weight:600;
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.footer-bar__inner .to-top:hover{border-color:var(--primary);background:var(--primary-50)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 20px}
  .brand-bar__inner,.tab-nav{padding-left:20px;padding-right:20px}
}
@media (max-width:1024px){
  .search-box{max-width:300px;flex:1 1 200px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-shell{padding:34px 32px 38px}
}
@media (max-width:900px){
  .search-box{display:none}
  .search-toggle{display:inline-flex}
  .brand-bar__inner{height:58px;gap:12px;flex-wrap:wrap}
  .brand-bar__inner.search-open{height:auto;padding-top:10px;padding-bottom:10px}
  .brand-bar__inner.search-open .search-box{display:flex;order:9;flex:1 1 100%;max-width:none;height:40px}
  .brand-actions .btn--ghost{display:none}
}
@media (max-width:768px){
  .article-section{padding:34px 0 4px}
  .article-shell{padding:26px 20px 30px;border-radius:12px}
  .article-body{font-size:16.5px;padding-top:22px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .page-hero__inner{padding:20px 0 22px}
  .breadcrumb .is-current{max-width:200px}
  .related{padding:52px 0 64px}
  .article-cta{padding:20px}
  .article-cta .btn{width:100%}
  .rec-card__body{padding:16px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .brand-bar__inner,.tab-nav{padding-left:16px;padding-right:16px}
  .logo__mark{width:30px;height:30px;font-size:15px}
  .logo__text{font-size:14px;line-height:1.15;white-space:normal;max-width:4.6em}
  .brand-actions .btn--primary{height:38px;padding:0 14px;font-size:14px}
  .tab-nav{height:46px;gap:6px}
  .tab{height:30px;padding:0 13px;font-size:13.5px}
  .article-head h1{font-size:23px}
  .article-meta{font-size:13px;gap:8px 16px}
  .article-body{font-size:16px;line-height:1.8}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 28px;gap:28px}
  .footer-bar__inner{padding:18px 16px;justify-content:flex-start}
  .rec-card__media{aspect-ratio:2/1}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --primary:#14485C;
  --primary-mid:#1B6076;
  --primary-light:#E4EEF1;
  --accent:#E8611F;
  --accent-dark:#D2551A;
  --accent-light:#FDEBE0;
  --jade:#2E8B7E;
  --jade-light:#E4F2EF;
  --text:#10262E;
  --muted:#62727B;
  --line:#E3E7E6;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-img:20px;
  --shadow-sm:0 1px 2px rgba(16,38,46,.06);
  --shadow-md:0 6px 18px -8px rgba(16,38,46,.14);
  --shadow-lg:0 18px 40px -20px rgba(16,38,46,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{background:none;border:0;cursor:pointer;font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary-mid);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 头部 ---------- */
.site-header{position:relative;z-index:120}
.brand-bar{background:#fff;border-bottom:1px solid var(--line);position:relative}
.brand-bar__inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-mid) 100%);
  color:#fff;font-size:19px;font-weight:700;line-height:36px;text-align:center;
  flex:0 0 36px;
}
.logo__text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--primary);white-space:nowrap}
.search-box{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:400px;min-width:220px;
  height:40px;padding:0 16px;
  background:#F2F4F3;border:1px solid transparent;border-radius:999px;
  color:var(--muted);transition:border-color .2s var(--ease),background .2s var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--primary-mid)}
.search-box input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--text);min-width:0;
}
.search-box input::placeholder{color:#93A0A6}
.search-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--primary);
  border:1px solid var(--line);background:#fff;
}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm)}
.btn--primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn--ghost{background:#fff;color:var(--primary);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--primary-mid);color:var(--primary-mid);transform:translateY(-1px)}
.btn--solid{background:var(--primary);color:#fff}
.btn--solid:hover{background:#0F3948;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--lg{height:48px;padding:0 26px;font-size:16px}
.btn--block{width:100%}

.channel-tabs{
  position:sticky;top:0;z-index:100;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.channel-tabs.is-stuck{box-shadow:0 4px 14px -10px rgba(16,38,46,.35)}
.tab-nav{
  display:flex;align-items:center;gap:8px;
  height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.tab-nav::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;padding:6px 16px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tab:hover{background:#EFF4F5;color:var(--primary)}
.tab.is-active{background:var(--primary-light);color:var(--primary);font-weight:600}

/* ---------- 面包屑 ---------- */
.crumb-wrap{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);padding:14px 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary-mid);text-decoration:underline}
.crumb__sep{color:#B6C0C3}
.crumb__current{color:#8D999E}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;
  background:linear-gradient(180deg,#FFFFFF 0%,#F4F7F7 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;
  opacity:.06;pointer-events:none;
}
.cat-hero__inner{
  position:relative;
  display:flex;align-items:center;
  min-height:clamp(430px,54vh,600px);
  padding:52px 0 60px;
}
.cat-hero__grid{display:flex;flex-wrap:wrap;align-items:center;gap:40px;width:100%}
.cat-hero__text{flex:1 1 480px;min-width:300px}
.cat-hero__media{flex:0 1 420px;min-width:280px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.06em;font-weight:600;
  color:var(--primary-mid);background:var(--primary-light);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.28;font-weight:800;letter-spacing:-.01em;color:var(--primary);
  margin-bottom:16px;
}
.cat-hero__lead{font-size:17px;color:var(--muted);line-height:1.85;max-width:560px}
.cat-hero__sub{
  font-size:20px;font-weight:600;color:var(--accent);
  margin-bottom:14px;line-height:1.5;
}
.cat-hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-stats{
  display:flex;gap:34px;flex-wrap:wrap;
  margin-top:30px;padding-top:24px;border-top:1px solid var(--line);
}
.hero-stat__num{font-size:24px;font-weight:800;color:var(--primary);line-height:1.2}
.hero-stat__num small{font-size:14px;font-weight:600;margin-left:2px}
.hero-stat__label{font-size:13px;color:var(--muted);margin-top:4px}
.hero-media{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  box-shadow:var(--shadow-lg);aspect-ratio:7/5;background:var(--primary-light);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(20,72,92,.08)}

/* ---------- 锚点条 ---------- */
.anchor-strip{background:#fff;border-bottom:1px solid var(--line)}
.anchor-bar{
  display:flex;align-items:center;gap:10px;
  padding:14px 0;overflow-x:auto;scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar__label{
  flex:0 0 auto;font-size:12.5px;letter-spacing:.06em;font-weight:600;
  color:var(--muted);padding-right:6px;
}
.anchor-pill{
  flex:0 0 auto;padding:6px 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--primary);white-space:nowrap;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.anchor-pill:hover{background:var(--primary-light);border-color:transparent;color:var(--primary)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;scroll-margin-top:72px}
.section--tight{padding:56px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(22px,2.3vw,30px);font-weight:750;line-height:1.3;
  color:var(--primary);letter-spacing:-.005em;
}
.section-head h2::after{
  content:"";display:block;width:44px;height:3px;border-radius:2px;
  background:var(--accent);margin-top:12px;
}
.section-head__desc{font-size:15px;color:var(--muted);max-width:560px;margin-top:10px}
.section-head--center{flex-direction:column;align-items:center;text-align:center}
.section-head--center h2::after{margin-left:auto;margin-right:auto}
.link-more{
  font-size:14.5px;font-weight:600;color:var(--primary-mid);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- 双栏 ---------- */
.cat-split{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px}
.cat-split > .cell{padding-left:16px;padding-right:16px}
.cat-main{flex:1 1 620px;min-width:280px}
.cat-side{flex:0 1 330px;min-width:260px}

/* ---------- 要点块 ---------- */
.value-list{display:flex;flex-direction:column;gap:14px}
.value-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.value-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D5DEDD}
.value-item__num{
  flex:0 0 44px;height:44px;border-radius:12px;
  background:var(--primary-light);color:var(--primary);
  font-size:16px;font-weight:800;line-height:44px;text-align:center;
  font-variant-numeric:tabular-nums;
}
.value-item h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:6px;line-height:1.45}
.value-item p{font-size:15px;color:var(--muted);line-height:1.8}
.value-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;letter-spacing:.06em;font-weight:600;
  padding:3px 11px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);white-space:nowrap;
}
.tag--accent{background:var(--accent-light);color:#B84512}
.tag--jade{background:var(--jade-light);color:#1F6E63}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--muted)}

/* ---------- 横向条目 ---------- */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;gap:18px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D5DEDD}
.news-thumb{
  flex:0 0 160px;width:160px;height:100px;border-radius:10px;
  overflow:hidden;background:var(--primary-light);position:relative;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-item:hover .news-thumb img{transform:scale(1.03)}
.news-body{flex:1 1 auto;min-width:0}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.news-time{font-size:13px;color:var(--muted)}
.news-item h3{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text);
  margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item:hover h3{color:var(--primary-mid)}
.news-item p{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:10px}
.news-foot .link-more{font-size:14px}

/* ---------- 侧栏 ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:72px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px 20px;box-shadow:var(--shadow-sm);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--primary);
  letter-spacing:.02em;margin-bottom:14px;
}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  font-size:14.5px;color:var(--muted);padding:9px 10px;border-radius:8px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.side-nav a::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:#C4CFD2;transition:background .2s var(--ease);
}
.side-nav a:hover{background:var(--primary-light);color:var(--primary)}
.side-nav a:hover::before{background:var(--accent)}
.side-consult{
  background:linear-gradient(160deg,var(--primary) 0%,var(--primary-mid) 100%);
  border:0;color:#fff;box-shadow:var(--shadow-md);
}
.side-consult h3{color:#fff}
.side-consult p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:16px}
.side-consult .btn{width:100%}
.side-consult__note{
  font-size:13px;color:rgba(255,255,255,.7);margin-top:12px;
  display:flex;align-items:center;gap:6px;
}
.side-consult__note::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#7FD6C6;flex:0 0 6px;
}

/* ---------- 节奏时间线 ---------- */
.flow{
  display:flex;gap:0;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;box-shadow:var(--shadow-sm);
}
.flow-step{
  flex:1 1 200px;min-width:180px;padding:0 20px;
  border-left:1px solid var(--line);position:relative;
}
.flow-step:first-child{border-left:0;padding-left:0}
.flow-step__idx{
  font-size:12.5px;letter-spacing:.06em;font-weight:700;color:var(--accent);
  margin-bottom:10px;
}
.flow-step h3{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:8px;line-height:1.45}
.flow-step p{font-size:14.5px;color:var(--muted);line-height:1.78}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion.faq-list{
  border:0;background:transparent;border-top:1px solid var(--line);
}
.accordion.faq-list .accordion-item{
  border-bottom:1px solid var(--line);border-left:0;border-right:0;border-top:0;
  background:transparent;
}
.accordion.faq-list .accordion-title{
  position:relative;
  padding:20px 52px 20px 18px;
  font-size:16.5px;font-weight:600;color:var(--text);line-height:1.55;
  border:0;background:transparent;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.accordion.faq-list .accordion-title:hover{background:#F3F6F6;color:var(--primary)}
.accordion.faq-list .accordion-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--accent);
  transition:height .2s var(--ease);
}
.accordion.faq-list .accordion-item.is-active .accordion-title::before{height:26px}
.accordion.faq-list .accordion-title::after{
  content:"";position:absolute;right:20px;top:50%;
  width:12px;height:12px;margin-top:-6px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .2s var(--ease);
}
.accordion.faq-list .accordion-item.is-active .accordion-title::after{
  transform:rotate(-135deg);border-color:var(--accent);
}
.accordion.faq-list .accordion-content{
  border:0;background:transparent;
  padding:0 52px 22px 18px;color:var(--muted);
  font-size:15px;line-height:1.85;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,#0F3948 0%,var(--primary) 55%,#1B6076 100%);
  color:#fff;scroll-margin-top:72px;
}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;padding:52px 24px;
}
.cta-band__title{font-size:clamp(20px,2.2vw,26px);font-weight:750;line-height:1.4;margin-bottom:10px}
.cta-band__text{font-size:15px;color:rgba(255,255,255,.8);max-width:600px;line-height:1.8}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#EFF1EF;border-top:1px solid var(--line);padding-top:56px;margin-top:0}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:32px;padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:320px}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--primary);
  letter-spacing:.04em;margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:var(--muted)}
.footer-col a:hover{color:var(--accent)}
.footer-col li{font-size:14.5px;color:var(--muted);line-height:1.7}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0 26px;
}
.footer-bottom p{font-size:13.5px;color:#7C898E}
.back-top{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:13.5px;color:var(--primary);font-weight:600;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.back-top:hover{border-color:var(--primary-mid);color:var(--primary-mid);transform:translateY(-1px)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cat-side{flex:1 1 100%}
  .side-stack{position:static}
  .cat-hero__grid{gap:32px}
  .flow-step{border-left:0;border-top:1px solid var(--line);padding:20px 0 0;flex:1 1 100%}
  .flow-step:first-child{border-top:0;padding-top:0}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .brand-bar__inner{height:56px;gap:12px}
  .logo__text{font-size:15.5px}
  .brand-actions .btn--ghost{display:none}
  .search-box{
    display:none;position:absolute;left:0;right:0;top:100%;
    max-width:none;border-radius:0;height:56px;
    background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    border-left:0;border-right:0;
  }
  .search-box.is-open{display:flex}
  .search-toggle{display:inline-flex;order:3;margin-left:auto}
  .brand-actions{margin-left:0}
  .brand-actions .btn--primary{height:38px;padding:0 16px;font-size:14px}
  .cat-hero__inner{min-height:auto;padding:36px 0 44px}
  .cat-hero h1{font-size:28px}
  .cat-hero__sub{font-size:17px}
  .cat-hero__media{flex:1 1 100%;width:100%}
  .hero-stats{gap:22px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .cat-split{margin-left:0;margin-right:0}
  .cat-split > .cell{padding-left:0;padding-right:0}
  .cat-main,.cat-side{flex:1 1 100%}
  .cat-side{margin-top:28px}
  .news-item{flex-direction:column;gap:12px}
  .news-thumb{flex:0 0 auto;width:100%;height:170px}
  .value-item{padding:18px}
  .cta-band__inner{padding:40px 16px}
  .cta-band__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .accordion.faq-list .accordion-title{padding:16px 44px 16px 14px;font-size:15.5px}
  .accordion.faq-list .accordion-content{padding:0 44px 18px 14px}
}
@media (max-width:560px){
  .cat-hero__actions{flex-direction:column;align-items:stretch}
  .cat-hero__actions .btn{width:100%}
  .hero-stat__num{font-size:20px}
  .section-head h2{font-size:21px}
  .news-thumb{height:150px}
  .tab{padding:6px 13px;font-size:13.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --brand-900:#14485C;
  --brand-700:#1B6076;
  --brand-100:#E4EEF1;
  --accent:#E8611F;
  --accent-dark:#D2551A;
  --accent-soft:#FDEBE0;
  --jade:#2E8B7E;
  --jade-soft:#E3F2EF;
  --ink:#10262E;
  --muted:#62727B;
  --line:#E3E7E6;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,38,46,.06);
  --sh-md:0 6px 18px -8px rgba(16,38,46,.14);
  --sh-lg:0 18px 40px -20px rgba(16,38,46,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:88px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color .18s var(--ease),text-decoration-color .18s var(--ease)}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-900);color:#fff;padding:10px 16px;border-radius:0 0 var(--r-sm) 0;z-index:999}
.skip-link:focus{left:0;color:#fff}

/* ============ 布局容器 ============ */
.container,.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.section--alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{max-width:720px;margin-bottom:44px}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.06em;
  font-weight:600;
  color:var(--brand-700);
  background:var(--brand-100);
  padding:4px 12px;
  border-radius:var(--r-pill);
  margin-bottom:14px;
}
h2.section__title{
  font-size:clamp(24px,2.4vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--brand-900);
}
.section__desc{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85}
[id]{scroll-margin-top:96px}

/* ============ 按钮系统 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  text-decoration:none;
  white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px -8px rgba(232,97,31,.6)}
.btn--primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:#fff;color:var(--brand-900);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px)}
.btn--dark{background:var(--brand-900);color:#fff}
.btn--dark:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn--block{width:100%}
.btn--lg{height:50px;padding:0 28px;font-size:16px}

/* ============ 头部 ============ */
.site-header{position:relative;z-index:110}
.brand-bar{background:#fff;border-bottom:1px solid var(--line)}
.brand-bar__inner{display:flex;align-items:center;gap:18px;height:64px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--brand-900);font-weight:700}
.logo:hover{color:var(--brand-900)}
.logo__mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  background:var(--brand-900);
  color:#fff;font-size:16px;font-weight:700;letter-spacing:0;
}
.logo__text{font-size:17px;letter-spacing:.01em;white-space:nowrap}
.search-box{
  display:flex;align-items:center;gap:8px;
  flex:0 1 400px;
  height:40px;
  margin-left:auto;
  padding:0 16px;
  background:#F1F3F2;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  color:var(--muted);
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.search-box:focus-within{border-color:var(--brand-700);background:#fff}
.search-box svg{flex:0 0 auto}
.search-box input{
  flex:1 1 auto;min-width:0;
  border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--ink);
}
.search-box input::placeholder{color:#8C9AA1}
.search-toggle{
  display:none;
  margin-left:auto;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  color:var(--brand-900);
  background:#F1F3F2;
}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:14px}

/* 频道 Tabs */
.channel-tabs{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.channel-tabs.is-stuck{box-shadow:var(--sh-sm)}
.channel-tabs::before,
.channel-tabs::after{
  content:"";position:absolute;top:0;bottom:1px;width:26px;pointer-events:none;z-index:2;
}
.channel-tabs::before{left:0;background:linear-gradient(to right,#fff 20%,rgba(255,255,255,0))}
.channel-tabs::after{right:0;background:linear-gradient(to left,#fff 20%,rgba(255,255,255,0))}
.tab-nav{
  display:flex;align-items:center;gap:8px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.tab-nav::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:32px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.tab:hover{background:var(--brand-100);color:var(--brand-900)}
.tab.is-active{background:var(--brand-900);color:#fff;font-weight:600}
.tab.is-active:hover{background:var(--brand-900);color:#fff}

/* ============ H1 区 ============ */
.page-hero{
  position:relative;
  background:
    linear-gradient(180deg,rgba(228,238,241,.55),rgba(246,247,245,0)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:56px 0 72px;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(135deg,rgba(20,72,92,.05) 0 2px,transparent 2px 14px);
  opacity:.5;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb span[aria-current]{color:#93A2A9}
.page-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.page-hero__title{
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.015em;
  color:var(--brand-900);
  margin-top:6px;
}
.page-hero__sub{
  margin-top:16px;
  font-size:18px;font-weight:600;color:var(--brand-700);
}
.page-hero__text{
  margin-top:12px;max-width:560px;
  font-size:16px;line-height:1.85;color:var(--muted);
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px}
.hero-badge{display:flex;flex-direction:column;gap:2px}
.hero-badge__num{font-size:22px;font-weight:800;color:var(--brand-900);letter-spacing:-.01em}
.hero-badge__label{font-size:13px;color:var(--muted)}
.page-hero__figure{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);aspect-ratio:4/3;background:var(--brand-100)}
.page-hero__figure img{width:100%;height:100%;object-fit:cover}
.page-hero__figure::after{content:"";position:absolute;inset:0;background:rgba(27,96,118,.07)}

/* 锚点 pill 条 */
.anchor-bar{background:#fff;border-bottom:1px solid var(--line)}
.anchor-bar__inner{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-top:14px;padding-bottom:14px;
}
.anchor-bar__label{font-size:13px;color:var(--muted);margin-right:4px}
.anchor-link{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-size:14px;color:var(--brand-900);background:#fff;
  transition:border-color .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease);
}
.anchor-link:hover{border-color:var(--brand-700);background:var(--brand-100);color:var(--brand-900)}
.anchor-link i{font-size:12px;color:var(--accent)}

/* ============ 权益阶梯 ============ */
.ladder{display:flex;flex-direction:column;gap:14px}
.ladder__item{
  display:flex;align-items:center;gap:26px;
  padding:20px 30px;
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--brand-100);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-left-color .2s var(--ease);
}
.ladder__item:hover{box-shadow:var(--sh-md);transform:translateX(3px);border-left-color:var(--accent)}
.ladder__item:nth-child(1){min-height:86px;margin-right:132px}
.ladder__item:nth-child(2){min-height:104px;margin-right:88px}
.ladder__item:nth-child(3){min-height:122px;margin-right:44px}
.ladder__item:nth-child(4){min-height:140px;margin-right:0;background:var(--brand-900);border-color:var(--brand-900);border-left-color:var(--accent)}
.ladder__num{
  flex:0 0 auto;
  font-size:26px;font-weight:800;letter-spacing:-.02em;
  color:var(--brand-100);
  font-variant-numeric:tabular-nums;
}
.ladder__body{flex:1 1 auto;min-width:0}
.ladder__name{font-size:19px;font-weight:700;color:var(--brand-900);line-height:1.4}
.ladder__desc{font-size:14.5px;color:var(--muted);margin-top:4px;line-height:1.7}
.ladder__fit{font-size:13px;color:#93A2A9;margin-top:4px}
.ladder__tags{display:flex;flex-wrap:wrap;gap:8px;flex:0 0 auto}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  background:var(--brand-100);color:var(--brand-700);
}
.tag--accent{background:var(--accent-soft);color:var(--accent)}
.tag--jade{background:var(--jade-soft);color:var(--jade)}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.ladder__item:nth-child(4) .ladder__num{color:rgba(255,255,255,.28)}
.ladder__item:nth-child(4) .ladder__name{color:#fff}
.ladder__item:nth-child(4) .ladder__desc{color:rgba(255,255,255,.72)}
.ladder__item:nth-child(4) .ladder__fit{color:rgba(255,255,255,.5)}
.ladder__item:nth-child(4) .tag{background:rgba(255,255,255,.14);color:#fff}
.ladder__item:nth-child(4) .tag--accent{background:var(--accent);color:#fff}

/* ============ 套餐对比 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;padding-top:12px}
.plan{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px 24px;
  box-shadow:var(--sh-sm);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.plan:hover{box-shadow:var(--sh-md)}
.plan--featured{
  transform:translateY(-12px);
  border-top:3px solid var(--accent);
  box-shadow:var(--sh-md);
}
.plan--featured:hover{transform:translateY(-14px)}
.plan__badge{
  position:absolute;top:14px;right:14px;
  height:24px;padding:0 10px;
  display:inline-flex;align-items:center;
  border-radius:var(--r-pill);
  background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.plan__name{font-size:20px;font-weight:700;color:var(--brand-900)}
.plan__lead{font-size:14px;color:var(--muted);margin-top:6px;min-height:44px;line-height:1.7}
.plan__price{
  margin-top:16px;padding-top:16px;
  border-top:1px dashed var(--line);
  display:flex;align-items:baseline;gap:8px;
}
.plan__price strong{font-size:26px;font-weight:800;color:var(--brand-900);font-variant-numeric:tabular-nums}
.plan__price span{font-size:13px;color:var(--muted)}
.plan__rows{margin-top:18px;border-top:1px solid var(--line)}
.plan__row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
}
.plan__row dt{color:var(--muted);flex:0 0 auto}
.plan__row dd{margin:0;font-weight:600;color:var(--brand-900);text-align:right}
.plan__row dd.is-off{color:#A9B4B9;font-weight:500}
.plan__cta{margin-top:22px}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;
  padding:22px 0 22px 18px;
  text-align:left;
  font-size:16.5px;font-weight:600;color:var(--brand-900);
  transition:color .18s var(--ease);
}
.faq__q:hover{color:var(--brand-700)}
.faq__q::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  border-radius:2px;background:transparent;
  transition:background-color .18s var(--ease);
}
.faq__item.is-open .faq__q::before{background:var(--accent)}
.faq__icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  font-size:12px;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
}
.faq__item.is-open .faq__icon{background:var(--accent);color:#fff;transform:rotate(45deg)}
.faq__a{
  max-height:0;overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq__a p{
  padding:0 40px 24px 18px;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ============ 咨询表单 ============ */
.consult{display:grid;grid-template-columns:1.45fr 1fr;gap:32px;align-items:start}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 26px 26px;
  box-shadow:var(--sh-md);
}
.form-card__title{font-size:20px;font-weight:700;color:var(--brand-900)}
.form-card__hint{font-size:14px;color:var(--muted);margin-top:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--brand-900)}
.field .req{color:var(--accent);margin-left:2px}
.field input,
.field select,
.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  font-size:15px;color:var(--ink);
  outline:none;
  appearance:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%2362727B' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:38px;
}
.field input:focus,
.field select:focus,
.field textarea:focus{border-color:var(--brand-700);box-shadow:0 0 0 2px rgba(27,96,118,.16)}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{border-color:#C2705A;box-shadow:0 0 0 2px rgba(194,112,90,.14)}
.field__error{font-size:12.5px;color:#B25B45;display:none}
.field.has-error .field__error{display:block}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-note{font-size:12.5px;color:#93A2A9}
.form-success{
  display:none;
  margin-top:18px;padding:14px 16px;
  border-radius:var(--r-sm);
  background:var(--jade-soft);color:#1F6A5F;
  font-size:14px;font-weight:600;
}
.form-success.is-visible{display:block}

.trust{
  background:var(--brand-900);
  color:#fff;
  border-radius:var(--r-md);
  padding:28px 26px;
  box-shadow:var(--sh-md);
}
.trust__title{font-size:18px;font-weight:700}
.trust__list{margin-top:20px;display:flex;flex-direction:column;gap:18px}
.trust__item{display:flex;gap:14px;align-items:flex-start}
.trust__icon{
  flex:0 0 36px;width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.12);
  color:#fff;font-size:15px;
}
.trust__label{font-size:12.5px;letter-spacing:.06em;color:rgba(255,255,255,.6)}
.trust__value{font-size:15px;font-weight:600;margin-top:2px}
.trust__value small{display:block;font-weight:400;font-size:13px;color:rgba(255,255,255,.66);margin-top:2px;line-height:1.65}
.trust__foot{
  margin-top:24px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.16);
  font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.75;
}

/* ============ 页脚 ============ */
.site-footer{background:#F1F3F2;border-top:1px solid var(--line);margin-top:0}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-top:64px;padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--muted);max-width:320px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-col h3{font-size:14px;font-weight:700;color:var(--brand-900);letter-spacing:.02em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85}
.footer-bottom{border-top:1px solid var(--line)}
.footer-bottom__inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:20px;
  font-size:13px;color:var(--muted);
}
.footer-bottom__inner p{margin:0}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;font-size:13px;color:var(--brand-900);
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.to-top:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .ladder__item:nth-child(1){margin-right:96px}
  .ladder__item:nth-child(2){margin-right:64px}
  .ladder__item:nth-child(3){margin-right:32px}
}
@media (max-width:1024px){
  :root{--space-section:72px}
  .page-hero__grid{grid-template-columns:1fr;gap:32px}
  .page-hero__figure{order:2;aspect-ratio:16/9}
  .page-hero__text{max-width:none}
  .search-box{display:none}
  .search-toggle{display:inline-flex}
  .search-box.is-open{
    display:flex;position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
    z-index:130;margin:0;flex:1 1 auto;
    box-shadow:var(--sh-md);background:#fff;border-color:var(--brand-700);
  }
  .ladder__item,
  .ladder__item:nth-child(1),
  .ladder__item:nth-child(2),
  .ladder__item:nth-child(3),
  .ladder__item:nth-child(4){margin-right:0}
  .consult{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .plans{grid-template-columns:1fr;gap:20px;padding-top:0}
  .plan--featured{transform:none}
  .plan--featured:hover{transform:translateY(-1px)}
  .plan__lead{min-height:0}
}
@media (max-width:768px){
  :root{--space-section:56px}
  .container,.grid-container{padding-left:16px;padding-right:16px}
  .brand-bar__inner{height:56px;gap:12px}
  .logo__text{font-size:15px;white-space:normal;line-height:1.2}
  .logo__mark{width:30px;height:30px;flex-basis:30px;font-size:14px}
  .brand-actions .btn--ghost{display:none}
  .brand-actions{margin-left:8px}
  .brand-actions .btn{height:38px;padding:0 16px;font-size:14px}
  .page-hero{padding:32px 0 48px}
  .page-hero__sub{font-size:16px}
  .hero-badges{gap:20px;margin-top:24px}
  .hero-badge__num{font-size:19px}
  .ladder__item{flex-wrap:wrap;gap:14px;padding:18px 20px}
  .ladder__num{font-size:20px}
  .ladder__tags{width:100%}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px 18px}
  .trust{padding:22px 18px}
  .form-actions .btn{width:100%}
  .faq__a p{padding-right:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:48px;padding-bottom:32px}
  .footer-brand p{max-width:none}
}
@media (max-width:520px){
  .page-hero__title{font-size:26px}
  .section__desc{font-size:15px}
  .btn{font-size:14.5px}
  .anchor-bar__inner{gap:8px}
  .anchor-link{height:32px;padding:0 13px;font-size:13px}
  .plan__price strong{font-size:23px}
  .footer-bottom__inner{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --primary:#14485C;
  --primary-mid:#1B6076;
  --primary-light:#E4EEF1;
  --accent:#E8611F;
  --accent-dark:#D2551A;
  --accent-light:#FDEBE0;
  --jade:#2E8B7E;
  --text:#10262E;
  --muted:#62727B;
  --line:#E3E7E6;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(16,38,46,.06);
  --shadow-md:0 6px 18px -8px rgba(16,38,46,.14);
  --shadow-lg:0 18px 40px -20px rgba(16,38,46,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;vertical-align:middle}
img{display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--primary-mid);outline-offset:2px;border-radius:4px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* 容器与栅格 */
.grid-container{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-x{display:flex;flex-wrap:wrap}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:42px;padding:0 20px;border-radius:10px;
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -12px rgba(232,97,31,.9)}
.btn--primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--primary)}
.btn--ghost:hover{border-color:var(--primary-mid);color:var(--primary-mid);transform:translateY(-1px)}
.btn--light{background:#fff;color:var(--primary)}
.btn--light:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn--outline-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);transform:translateY(-1px)}
.btn--block{width:100%}

/* 头部 */
.site-header{background:#fff;position:relative;z-index:120}
.brand-bar{border-bottom:1px solid var(--line)}
.brand-bar__inner{
  position:relative;display:flex;align-items:center;gap:20px;
  height:64px;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:700;letter-spacing:.02em;flex:0 0 auto;
}
.logo__text{font-size:18px;font-weight:700;color:var(--primary);letter-spacing:.01em;white-space:nowrap}
.search-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  color:var(--primary);background:#fff;flex:0 0 auto;
}
.search-toggle:hover{background:var(--primary-light)}
.search-box{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:999px;
  background:#F1F3F1;border:1px solid transparent;color:var(--muted);
  transition:border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--primary-mid);box-shadow:0 0 0 3px rgba(27,96,118,.10)}
.search-box input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--text)}
.search-box input::placeholder{color:#93A0A6}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

/* 频道 Tabs */
.channel-tabs{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease)}
.channel-tabs.is-stuck{box-shadow:var(--shadow-sm)}
.tab-nav{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-behavior:smooth;
}
.tab-nav::-webkit-scrollbar{display:none}
.tab{
  padding:7px 16px;border-radius:999px;font-size:14.5px;color:var(--muted);
  white-space:nowrap;border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.tab:hover{color:var(--primary);background:var(--primary-light)}
.tab.is-active{background:var(--primary);color:#fff;font-weight:600}
.tab.is-active:hover{background:var(--primary);color:#fff}

/* 面包屑 */
.crumb-bar{padding:16px 0 0}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary-mid);text-decoration:underline;text-underline-offset:3px}
.crumb span.sep{color:#C4CDCF}
.crumb span.current{color:#8B979C}

/* 首屏 */
.page-hero{
  position:relative;overflow:hidden;background:#fff;
  padding:36px 0 64px;border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(20,72,92,.055) 0 1px,transparent 1px 15px);
}
.page-hero > .grid-container{position:relative;z-index:1}
.hero-grid{align-items:center}
.hero-copy{padding-top:8px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--accent-light);color:#AF4512;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);transform:rotate(45deg)}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(27px,3.4vw,42px);
  line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--text);
}
.hero-sub{margin-top:16px;max-width:560px;font-size:17px;line-height:1.8;color:var(--muted)}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.hero-badges{
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:36px;
}
.hero-badges b{display:block;font-size:23px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-badges span{font-size:13px;color:var(--muted)}

.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.anchor-pills a{
  padding:7px 15px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:13.5px;color:var(--primary);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.anchor-pills a:hover{background:var(--primary-light);border-color:#C9DADE;transform:translateY(-1px)}

.hero-figure{margin-top:36px}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:16/11;background:var(--primary-light);box-shadow:var(--shadow-lg);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(20,72,92,.08)}
.hero-badge-float{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:12px;padding:12px 16px;
  box-shadow:var(--shadow-md);
}
.hero-badge-float b{display:block;font-size:15px;color:var(--primary);font-weight:700}
.hero-badge-float span{font-size:12.5px;color:var(--muted)}

/* 板块通用 */
.section{padding:80px 0}
.section--white{background:#fff;border-top:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.4vw,32px);line-height:1.32;font-weight:700;color:var(--primary);letter-spacing:-.01em}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.85}

/* Z 字图文块 */
.zblocks{padding:24px 0 72px}
.zblock{
  scroll-margin-top:72px;
  padding:52px 0;
  border-bottom:1px solid var(--line);
}
.zblock:last-child{border-bottom:0}
.zblock__row{align-items:center}
.zblock__media{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;
  aspect-ratio:4/3;background:var(--primary-light);box-shadow:var(--shadow-md);
  margin-bottom:26px;
}
.zblock__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.zblock:hover .zblock__media img{transform:scale(1.02)}
.zblock__index{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.12em;color:var(--accent);font-weight:700;
  font-variant-numeric:tabular-nums;
}
.zblock__tag{
  display:inline-block;margin-left:10px;padding:3px 10px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-mid);
  font-size:12px;letter-spacing:.06em;font-weight:600;
}
.zblock__title{
  position:relative;margin-top:16px;padding-left:15px;
  font-size:clamp(21px,2.2vw,28px);line-height:1.38;font-weight:700;color:var(--primary);
}
.zblock__title::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:3px;border-radius:2px;background:var(--accent);
}
.zblock__text{margin-top:16px;font-size:16.5px;line-height:1.85;color:#2B3F48}
.checklist{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.checklist li{position:relative;padding-left:26px;font-size:15.5px;color:var(--text);line-height:1.75}
.checklist li::before{
  content:"";position:absolute;left:2px;top:.62em;
  width:8px;height:8px;border-radius:2px;background:var(--jade);transform:rotate(45deg);
}
.zblock__note{
  margin-top:22px;padding:14px 18px;border-radius:12px;
  background:var(--primary-light);color:var(--primary);
  font-size:14.5px;line-height:1.75;
}

/* 问题墙 */
.qa-wall{padding:80px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.qa-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.qa-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D5E0E1}
.qa-card h3{
  display:flex;gap:10px;align-items:flex-start;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--primary);
}
.qa-card h3 em{
  flex:0 0 auto;font-style:normal;font-size:12.5px;font-weight:700;
  color:var(--accent);font-variant-numeric:tabular-nums;padding-top:3px;letter-spacing:.06em;
}
.qa-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted)}

/* CTA 通栏 */
.cta-band{background:var(--primary);color:#fff;padding:68px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 16px);
}
.cta-band .grid-container{position:relative;z-index:1}
.cta-row{align-items:center}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;color:#fff}
.cta-copy p{margin-top:14px;max-width:600px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.78)}
.cta-meta{margin-top:24px;display:flex;flex-wrap:wrap;gap:24px;font-size:13.5px;color:rgba(255,255,255,.72)}
.cta-meta span{display:inline-flex;align-items:center;gap:8px}
.cta-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--jade)}
.cta-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px}
.cta-panel{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);padding:26px 26px 24px;
}
.cta-panel h3{font-size:15px;font-weight:700;color:#fff;letter-spacing:.02em}
.cta-panel ul{margin-top:14px;display:flex;flex-direction:column;gap:12px}
.cta-panel li{font-size:14px;line-height:1.7;color:rgba(255,255,255,.8);padding-left:18px;position:relative}
.cta-panel li::before{content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;border-radius:2px;background:var(--accent);transform:rotate(45deg)}
.cta-panel .cta-panel__foot{
  margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.62);
}

/* 页脚 */
.site-footer{background:#EEF1EF;border-top:1px solid var(--line);padding:58px 0 0;color:var(--text)}
.footer-grid{padding-bottom:6px}
.footer-col{padding-right:32px;margin-bottom:30px}
.footer-col h3{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col ul a{font-size:14px;color:var(--muted);transition:color .18s var(--ease)}
.footer-col ul a:hover{color:var(--primary-mid);text-decoration:underline;text-underline-offset:3px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo__mark{width:34px;height:34px;font-size:17px}
.footer-brand .logo__text{font-size:17px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--muted);max-width:330px}
.footer-contact li{font-size:14px;color:var(--muted);line-height:1.8}
.footer-bottom{
  margin-top:26px;border-top:1px solid var(--line);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:14px;font-size:13.5px;color:var(--muted);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:13.5px;color:var(--primary);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{background:var(--primary-light);border-color:#C9DADE;transform:translateY(-1px)}

/* 响应式 */
@media (min-width:1024px){
  .hero-grid > .hero-copy{padding-right:48px}
  .hero-figure{margin-top:0}
  .zblock__media{margin-bottom:0}
  .zblock .zblock__text-cell{padding-left:56px}
  .zblock.is-flipped .zblock__media-cell{order:2}
  .zblock.is-flipped .zblock__text-cell{order:1;padding-left:0;padding-right:56px}
}
@media (max-width:1024px){
  .search-box{display:none}
  .search-box.is-open{
    display:flex;position:absolute;left:24px;right:24px;top:56px;
    max-width:none;background:#fff;box-shadow:var(--shadow-md);z-index:130;
  }
  .search-toggle{display:inline-flex;margin-left:auto}
  .brand-actions{margin-left:0}
  .footer-col{padding-right:0}
}
@media (max-width:768px){
  .grid-container,.brand-bar__inner{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .page-hero{padding:24px 0 48px}
  .zblocks{padding:8px 0 48px}
  .zblock{padding:40px 0}
  .qa-wall{padding:56px 0}
  .cta-band{padding:52px 0}
  .qa-grid{grid-template-columns:1fr}
  .hero-badges{gap:24px}
  .hero-badges b{font-size:20px}
  .brand-actions .btn--ghost{display:none}
  .search-box.is-open{left:16px;right:16px}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .logo__mark{width:32px;height:32px;font-size:16px;border-radius:9px}
  .logo__text{font-size:15px}
  .brand-bar__inner{height:56px;gap:12px}
  .tab-nav{height:44px;gap:6px}
  .tab{padding:6px 13px;font-size:13.5px}
  .page-hero h1{font-size:26px}
  .zblock__text{font-size:16px}
  .checklist li{font-size:15px}
  .btn{height:44px;padding:0 18px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .btn--block{width:100%}
  .section-head h2{font-size:23px}
  .footer-bottom{justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}