/* roulang page: index */
:root{
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1EEE7;
  --c-ink:#12211E;
  --c-body:#33413D;
  --c-muted:#6B7A75;
  --c-line:#E4E1D8;
  --c-primary:#0B5B4D;
  --c-primary-dark:#073D34;
  --c-primary-soft:#E6F0ED;
  --c-accent:#E2A038;
  --c-accent-dark:#C9862A;
  --c-danger:#C0452F;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(12,32,28,.22);
  --sh-3:0 22px 48px -24px rgba(12,32,28,.30);
  --section-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent-dark);text-decoration:underline;text-underline-offset:3px;}
button{font:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.28;letter-spacing:-.01em;}
h2{font-size:clamp(22px,2.4vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
body.no-scroll{overflow:hidden;}

/* ---------- 布局容器 ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.row{max-width:1200px;margin-left:auto;margin-right:auto;}
.row .row{margin-left:-16px;margin-right:-16px;}
.column,.columns{padding-left:16px;padding-right:16px;}
.section{padding:var(--section-y) 0;}
.section--soft{background:var(--c-surface-2);}
.section--tight{padding-top:56px;padding-bottom:56px;}
.section__head{max-width:760px;margin-bottom:44px;}
.section__eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--c-primary);font-weight:600;margin-bottom:14px;text-transform:uppercase;}
.section__eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent);display:inline-block;}
.section__title{margin-bottom:14px;}
.section__desc{color:var(--c-muted);font-size:16px;line-height:1.8;max-width:660px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-dark);color:#D8E6E2;font-size:13px;line-height:1.5;}
.topbar__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;min-height:36px;padding-top:4px;padding-bottom:4px;}
.topbar__left{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.topbar__site{color:#9FBDB6;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.topbar__tip{color:#CFE0DC;}
.topbar__link{color:#F1EEE7;display:inline-flex;align-items:center;gap:6px;font-weight:500;}
.topbar__link:hover{color:var(--c-accent);text-decoration:none;}
.topbar__arrow{font-size:14px;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;padding-top:10px;padding-bottom:10px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand__mark{width:40px;height:40px;border-radius:10px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;letter-spacing:.02em;flex:0 0 40px;}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__name{font-size:19px;font-weight:700;color:var(--c-ink);}
.brand__sub{font-size:12px;color:var(--c-muted);letter-spacing:.02em;}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav__link{position:relative;display:inline-block;padding:8px 10px;font-size:15px;color:var(--c-body);border-radius:var(--r-sm);}
.nav__link::after{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;background:transparent;border-radius:2px;transition:background .18s ease;}
.nav__link:hover{color:var(--c-primary);text-decoration:none;background:var(--c-primary-soft);}
.nav__link.is-active{color:var(--c-primary);font-weight:600;}
.nav__link.is-active::after{background:var(--c-primary);}
.header__actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-pill);align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;}
.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-surface);padding:10px 0 22px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer__list a{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 4px;border-bottom:1px solid var(--c-line);color:var(--c-ink);font-size:16px;}
.mobile-drawer__list a:hover{text-decoration:none;color:var(--c-primary);}
.mobile-drawer__meta{margin-top:18px;font-size:13px;color:var(--c-muted);line-height:1.8;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:var(--r-md);border:1px solid transparent;font-size:16px;font-weight:600;line-height:1;text-decoration:none;transition:all .18s ease;}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-accent-dark);border-color:var(--c-accent-dark);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14.5px;border-radius:var(--r-sm);}
.btn--block{width:100%;}
.text-link{font-size:15px;font-weight:600;color:var(--c-primary);}
.text-link:hover{color:var(--c-accent-dark);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 64px;background:var(--c-bg);}
.hero::after{content:"";position:absolute;top:-120px;right:-140px;width:40%;height:130%;background:var(--c-primary-soft);transform:skewX(-12deg);opacity:.6;z-index:0;}
.hero__row{position:relative;z-index:1;}
.hero__title{margin-bottom:18px;}
.hero__title em{font-style:normal;color:var(--c-primary);}
.hero__lead{font-size:18px;line-height:1.8;color:var(--c-body);max-width:520px;margin-bottom:26px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero__facts{display:flex;flex-wrap:wrap;border-top:1px solid var(--c-line);padding-top:20px;}
.fact{flex:1 1 140px;padding:6px 18px 6px 0;border-right:1px solid var(--c-line);margin-right:18px;}
.fact:last-child{border-right:0;margin-right:0;padding-right:0;}
.fact__k{display:block;font-size:13px;color:var(--c-muted);margin-bottom:4px;}
.fact__v{display:block;font-size:15.5px;color:var(--c-ink);font-weight:600;font-variant-numeric:tabular-nums;}
.hero__media{position:relative;margin-top:8px;}
.hero__media::before{content:"";position:absolute;top:16px;left:16px;right:-16px;bottom:-16px;border-radius:var(--r-lg);background:rgba(11,91,77,.08);z-index:0;}
.hero__media img{position:relative;z-index:1;width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--c-line);background:var(--c-surface-2);}

/* ---------- 通用卡片 ---------- */
.feat-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;height:100%;transition:all .18s ease;}
.feat-card:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);}
.feat-card__body{padding:22px 24px 26px;}
.feat-card__title{margin-bottom:10px;}
.feat-card__text{font-size:15.5px;color:var(--c-body);line-height:1.8;}
.feat-card__media{aspect-ratio:4/3;background:var(--c-surface-2);overflow:hidden;}
.feat-card__media img{width:100%;height:100%;object-fit:cover;}
.feat-card--lead .feat-card__title{font-size:22px;}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;line-height:1;padding:6px 10px;border-radius:var(--r-pill);background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.badge--accent{background:#FCF1DD;color:var(--c-accent-dark);}
.badge--outline{background:transparent;border:1px solid var(--c-line);color:var(--c-muted);}

/* ---------- 能力矩阵 ---------- */
.matrix__list{margin-top:26px;}
.matrix__item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--c-line);}
.matrix__num{flex:0 0 34px;height:34px;border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1;}
.matrix__item h3{font-size:17px;margin-bottom:4px;}
.matrix__item p{font-size:15px;color:var(--c-muted);line-height:1.75;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;}
.timeline__item{display:grid;grid-template-columns:96px 24px 1fr;gap:0 16px;padding-bottom:20px;}
.timeline__time{font-size:13px;color:var(--c-muted);text-align:right;padding-top:20px;font-variant-numeric:tabular-nums;}
.timeline__rail{position:relative;display:flex;justify-content:center;}
.timeline__rail::before{content:"";position:absolute;top:26px;bottom:-20px;width:1px;background:var(--c-line);}
.timeline__item:last-child .timeline__rail::before{display:none;}
.timeline__dot{width:12px;height:12px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-soft);margin-top:22px;position:relative;z-index:1;}
.timeline__card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 24px;box-shadow:var(--sh-1);transition:all .18s ease;}
.timeline__card:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);}
.timeline__card h3{margin-bottom:8px;}
.timeline__card p{font-size:15.5px;line-height:1.8;margin-bottom:10px;}
.timeline__tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 票种 ---------- */
.plans{margin-top:8px;}
.plan{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;transition:all .18s ease;}
.plan:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,91,77,.35);}
.plan--featured{border-color:var(--c-primary);box-shadow:var(--sh-3);transform:translateY(-8px);}
.plan--featured:hover{transform:translateY(-11px);}
.plan__flag{position:absolute;top:-13px;left:24px;background:var(--c-primary);color:#fff;font-size:13px;font-weight:600;line-height:1;padding:7px 14px;border-radius:var(--r-pill);}
.plan__name{font-size:20px;font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.plan__price{font-size:28px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px;}
.plan__price span{font-size:14px;font-weight:500;color:var(--c-muted);}
.plan__note{font-size:14px;color:var(--c-muted);margin-bottom:18px;}
.plan__list{border-top:1px solid var(--c-line);margin-bottom:22px;flex:1;}
.plan__item{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.7;padding:11px 0;border-bottom:1px dashed var(--c-line);}
.plan__item::before{content:"";flex:0 0 16px;height:16px;margin-top:5px;border-radius:50%;background:var(--c-primary-soft);border:1px solid var(--c-primary);}
.plan__item--off{color:var(--c-muted);}
.plan__item--off::before{background:transparent;border-color:var(--c-line);}

/* ---------- 报名 CTA ---------- */
.cta{background:var(--c-primary-dark);color:#D8E6E2;padding:76px 0;}
.cta h2{color:#fff;margin-bottom:16px;}
.cta__text{font-size:16px;line-height:1.85;color:#CFE0DC;margin-bottom:24px;}
.cta__points{display:flex;flex-direction:column;gap:10px;font-size:15px;}
.cta__points li{display:flex;gap:10px;align-items:flex-start;}
.cta__points li::before{content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:50%;background:var(--c-accent);}
.form-card{background:var(--c-surface);border-radius:var(--r-lg);padding:28px 26px 30px;box-shadow:var(--sh-3);}
.form-card__title{font-size:18px;margin-bottom:6px;}
.form-card__sub{font-size:14px;color:var(--c-muted);margin-bottom:20px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;}
.field--full{grid-column:1 / -1;}
.field__label{font-size:14px;color:var(--c-body);margin-bottom:6px;font-weight:500;}
.field__label .req{color:var(--c-primary);margin-left:2px;}
.input,.select,.textarea{width:100%;border:1px solid var(--c-line);border-radius:var(--r-sm);background:var(--c-surface);font-size:15px;color:var(--c-ink);padding:0 14px;min-height:48px;line-height:48px;transition:border-color .18s ease,box-shadow .18s ease;}
.textarea{min-height:104px;line-height:1.7;padding:12px 14px;resize:vertical;}
.select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-muted) 50%),linear-gradient(135deg,var(--c-muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,91,77,.12);}
.field.is-error .input,.field.is-error .select,.field.is-error .textarea{border-color:var(--c-danger);box-shadow:0 0 0 3px rgba(192,69,47,.1);}
.field__error{display:none;font-size:13px;color:var(--c-danger);margin-top:6px;}
.field.is-error .field__error{display:block;}
.form-actions{grid-column:1 / -1;display:flex;justify-content:flex-end;margin-top:4px;}
.form-success{display:none;background:var(--c-primary-soft);border:1px solid rgba(11,91,77,.25);border-radius:var(--r-md);padding:22px;text-align:center;}
.form-success.is-shown{display:block;}
.form-success h3{margin-bottom:8px;}
.form-success p{font-size:15px;color:var(--c-body);margin-bottom:16px;}

/* ---------- 资讯列表 ---------- */
.post-card{display:flex;flex-direction:column;height:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:all .18s ease;text-decoration:none;}
.post-card:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);text-decoration:none;}
.post-card__media{aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;}
.post-card__media img{width:100%;height:100%;object-fit:cover;}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card__title{font-size:18px;line-height:1.55;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.post-card:hover .post-card__title{color:var(--c-primary);}
.post-card__text{font-size:14.5px;color:var(--c-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);font-size:13.5px;color:var(--c-muted);font-variant-numeric:tabular-nums;}
.empty{min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-surface);color:var(--c-muted);font-size:15px;text-align:center;padding:24px;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq__item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;}
.faq__item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::after{content:"+";font-size:22px;line-height:1;color:var(--c-primary);transition:transform .2s ease;flex:0 0 auto;}
.faq__item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq__body{padding:16px 20px;background:var(--c-surface-2);font-size:16px;line-height:1.8;color:var(--c-body);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:#BFD3CE;padding:64px 0 0;}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:16px;}
.footer__brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer__mark{width:38px;height:38px;border-radius:10px;background:#fff;color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;}
.footer__name{font-size:18px;font-weight:700;color:#fff;}
.footer__desc{font-size:14px;line-height:1.85;color:#9FBDB6;max-width:280px;margin-bottom:14px;}
.footer__meta{font-size:13.5px;color:#9FBDB6;line-height:1.9;font-variant-numeric:tabular-nums;}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{color:#CFE0DC;font-size:14.5px;}
.footer__links a:hover{color:var(--c-accent);}
.footer__bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;font-size:13px;color:#8FAFA9;}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  :root{--section-y:88px;}
}
@media (min-width:1440px){
  :root{--section-y:104px;}
}
@media (max-width:1023px){
  :root{--section-y:64px;}
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .header__inner{min-height:64px;}
  .hero{padding:52px 0 48px;}
  .hero::after{width:52%;opacity:.45;}
  .hero__media{margin-top:34px;}
  .hero__media::before{right:-10px;bottom:-10px;}
  .column,.columns{padding-left:12px;padding-right:12px;}
  .row{padding-left:8px;padding-right:8px;}
  .cta{padding:56px 0;}
  .form-card{margin-top:28px;}
}
@media (max-width:767px){
  .plan--featured{transform:none;}
  .plan--featured:hover{transform:translateY(-3px);}
}
@media (max-width:639px){
  :root{--section-y:44px;}
  body{font-size:16px;}
  .hero__lead{font-size:16.5px;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .fact{flex:1 1 100%;border-right:0;margin-right:0;padding-right:0;border-bottom:1px solid var(--c-line);padding-bottom:12px;margin-bottom:12px;}
  .fact:last-child{border-bottom:0;margin-bottom:0;}
  .timeline__item{grid-template-columns:1fr;gap:8px;padding-bottom:26px;}
  .timeline__time{text-align:left;padding-top:0;font-weight:600;color:var(--c-primary);}
  .timeline__rail{display:none;}
  .timeline__card{padding:18px;}
  .form-grid{grid-template-columns:1fr;}
  .form-actions{justify-content:stretch;}
  .form-actions .btn{width:100%;}
  .plans .plan{margin-bottom:16px;}
  .section__head{margin-bottom:30px;}
}
@media (max-width:519px){
  .brand__sub{display:none;}
  .topbar__tip{display:none;}
  .topbar__arrow{display:none;}
  .topbar{font-size:12px;}
}

/* roulang page: category1 */
:root{
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1EEE7;
  --c-ink:#12211E;
  --c-body:#33413D;
  --c-muted:#6B7A75;
  --c-line:#E4E1D8;
  --c-primary:#0B5B4D;
  --c-primary-dark:#073D34;
  --c-primary-soft:#E6F0ED;
  --c-accent:#E2A038;
  --c-accent-dark:#C9862A;
  --c-danger:#C0452F;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(12,32,28,.22);
  --sh-3:0 22px 48px -24px rgba(12,32,28,.30);
  --sec:88px;
}

/* ---------- reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:3px;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.28;letter-spacing:-.01em;}
h2{font-size:clamp(22px,2.4vw,32px);line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
table{border-collapse:collapse;width:100%;}
::selection{background:rgba(226,160,56,.32);}

/* ---------- layout ---------- */
.container{width:100%;max-width:1264px;margin:0 auto;padding:0 20px;}
.row{max-width:1224px;margin-left:auto;margin-right:auto;}
.row::before,.row::after{content:" ";display:table;}
.row::after{clear:both;}
.column,.columns{padding-left:12px;padding-right:12px;}
.section{padding:var(--sec) 0;}
.section--surface{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section__head{max-width:760px;margin-bottom:40px;}
.section__head p{font-size:17px;color:var(--c-body);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--c-primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:3px;height:14px;background:var(--c-accent);border-radius:2px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;background:transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  font-family:inherit;text-align:center;
}
.btn:hover{text-decoration:none;}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line);}
.btn--ghost:hover{border-color:var(--c-accent-dark);color:var(--c-accent-dark);background:var(--c-primary-soft);}
.btn--accent{background:var(--c-accent);color:#073D34;box-shadow:var(--sh-1);}
.btn--accent:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--sm{height:40px;padding:0 18px;font-size:15px;}
.btn--onDark{background:#fff;color:var(--c-primary-dark);}
.btn--onDark:hover{background:var(--c-accent);color:#073D34;}
.btn--ghostOnDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn--ghostOnDark:hover{border-color:var(--c-accent);color:var(--c-accent);background:rgba(255,255,255,.06);}

/* ---------- tag ---------- */
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);
  color:var(--c-primary);font-size:13px;font-weight:600;white-space:nowrap;
}
.tag--accent{background:rgba(226,160,56,.18);color:#8A5A12;}
.tag--outline{background:transparent;border:1px solid var(--c-line);color:var(--c-muted);}

/* ---------- topbar ---------- */
.topbar{background:var(--c-primary-dark);color:rgba(255,255,255,.82);font-size:13px;line-height:1.5;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap;}
.topbar__left{display:flex;align-items:center;gap:10px;}
.topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none;}
.topbar__right a{color:rgba(255,255,255,.9);font-size:13px;display:inline-flex;align-items:center;gap:6px;}
.topbar__right a:hover{color:var(--c-accent);text-decoration:none;}
.topbar__arrow{font-size:14px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand:hover{text-decoration:none;}
.brand__mark{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.02em;
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:17px;font-weight:700;color:var(--c-ink);}
.brand__sub{font-size:12px;color:var(--c-muted);letter-spacing:.02em;}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav__link{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:500;color:var(--c-body);
  border-radius:var(--r-sm);
}
.nav__link:hover{color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none;}
.nav__link.is-active{color:var(--c-primary);font-weight:600;}
.nav__link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.header__actions{display:flex;align-items:center;gap:12px;flex:none;}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;inset:0;background:var(--c-surface);z-index:70;
  padding:20px;overflow-y:auto;display:none;
}
.drawer.is-open{display:block;}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer__close{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-surface);font-size:20px;line-height:1;color:var(--c-ink);cursor:pointer;
}
.drawer__nav{display:flex;flex-direction:column;border-top:1px solid var(--c-line);}
.drawer__nav a{
  min-height:52px;display:flex;align-items:center;justify-content:space-between;
  padding:0 4px;border-bottom:1px solid var(--c-line);
  color:var(--c-body);font-size:16px;
}
.drawer__nav a:hover,.drawer__nav a.is-active{color:var(--c-primary);text-decoration:none;}
.drawer__foot{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.drawer__note{font-size:13px;color:var(--c-muted);line-height:1.7;}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--c-primary-soft);
  border-bottom:1px solid var(--c-line);
  padding:32px 0 64px;
}
.cat-hero::after{
  content:"";position:absolute;top:-20%;right:-8%;width:36%;height:140%;
  background:rgba(11,91,77,.07);transform:skewX(-12deg);pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.breadcrumb{font-size:14px;color:var(--c-muted);margin-bottom:20px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb__sep{color:var(--c-line);}
.breadcrumb [aria-current]{color:var(--c-ink);font-weight:600;}
.cat-hero__lead{font-size:18px;line-height:1.8;max-width:34em;margin:20px 0 0;color:var(--c-body);}
.cat-hero__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cat-hero__media{margin:36px 0 0;}
.cat-hero__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid rgba(11,91,77,.16);
  background:var(--c-surface-2);box-shadow:var(--sh-2);
}

/* ---------- split ---------- */
.split{padding:var(--sec) 0;}
.split + .split{padding-top:0;}
.split__media{position:relative;margin-bottom:28px;}
.split__media::before{
  content:"";position:absolute;top:-12px;left:-12px;width:64px;height:64px;
  border-top:3px solid var(--c-accent);border-left:3px solid var(--c-accent);
  border-radius:4px;pointer-events:none;
}
.split__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--c-line);
  background:var(--c-surface-2);box-shadow:var(--sh-1);
}
.split__body p{font-size:17px;line-height:1.85;color:var(--c-body);margin-top:16px;}
.points{list-style:none;margin:24px 0 0;padding:0;}
.points li{
  position:relative;padding-left:26px;font-size:16px;line-height:1.75;
  color:var(--c-body);margin-bottom:14px;
}
.points li:last-child{margin-bottom:0;}
.points li::before{
  content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 0 3px rgba(11,91,77,.14);
}
.points--grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;}
.points--grid li{margin-bottom:0;}

/* ---------- matrix ---------- */
.matrix{
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  background:var(--c-surface);overflow:hidden;box-shadow:var(--sh-1);
}
.matrix__row{
  display:grid;grid-template-columns:210px 1fr 150px;gap:24px;
  align-items:center;padding:22px 26px;border-bottom:1px solid var(--c-line);
  transition:background-color .18s ease;
}
.matrix__row:last-child{border-bottom:0;}
.matrix__row:hover{background:var(--c-surface-2);}
.matrix__name{font-size:17px;font-weight:600;color:var(--c-ink);}
.matrix__desc{font-size:16px;color:var(--c-body);line-height:1.75;}
.matrix__meta{text-align:right;}
.matrix__foot{
  margin-top:16px;font-size:14px;color:var(--c-muted);line-height:1.75;
}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.stat:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);}
.stat__num{font-size:34px;font-weight:700;color:var(--c-primary);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat__label{font-size:15px;color:var(--c-body);margin-top:8px;font-weight:600;}
.stat__note{font-size:13px;color:var(--c-muted);margin-top:6px;line-height:1.7;}

/* ---------- roles ---------- */
.roles{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.role{
  display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.role:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);}
.role__num{
  flex:none;width:44px;height:44px;border-radius:var(--r-md);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.role h3{margin-bottom:8px;}
.role p{font-size:15px;line-height:1.8;color:var(--c-body);margin:0;}

/* ---------- cta mid ---------- */
.cta-mid{background:var(--c-primary-dark);color:rgba(255,255,255,.82);padding:72px 0;}
.cta-mid h2{color:#fff;}
.cta-mid__eyebrow{color:var(--c-accent);}
.cta-mid__eyebrow::before{background:var(--c-accent);}
.cta-mid__text p{color:rgba(255,255,255,.78);font-size:17px;line-height:1.85;margin-top:16px;}
.cta-mid__facts{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:10px;}
.cta-mid__facts li{
  position:relative;padding-left:22px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.7;
}
.cta-mid__facts li::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--c-accent);
}
.form-card{
  background:var(--c-surface);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-3);border:1px solid rgba(255,255,255,.1);
}
.form-card__title{font-size:18px;font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.form-card__sub{font-size:14px;color:var(--c-muted);margin-bottom:20px;line-height:1.7;}

/* ---------- form ---------- */
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-body);margin-bottom:7px;}
.req{color:var(--c-accent);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-surface);color:var(--c-ink);
  font-size:16px;font-family:inherit;line-height:1.5;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:92px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{
  appearance:none;-webkit-appearance:none;
  padding-right:40px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236B7A75' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,91,77,.12);
}
.form__submit{margin-top:6px;text-align:right;}
.form__submit .btn{min-width:200px;}
.form__hint{font-size:13px;color:var(--c-muted);margin-top:12px;line-height:1.7;}

/* ---------- cta strip ---------- */
.cta-strip{
  background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:34px 0;
}
.cta-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-strip__text h3{margin-bottom:6px;}
.cta-strip__text p{font-size:15px;color:var(--c-muted);margin:0;line-height:1.7;}
.cta-strip__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;}
.site-footer h3{color:#fff;font-size:16px;font-weight:700;margin:0 0 16px;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-accent);
  color:#073D34;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;flex:none;
}
.footer__name{color:#fff;font-size:17px;font-weight:700;}
.footer__desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 16px;}
.footer__meta{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6);font-variant-numeric:tabular-nums;}
.footer__links{display:flex;flex-direction:column;}
.footer__links a{
  display:inline-block;padding:6px 0;font-size:15px;
  color:rgba(255,255,255,.76);
}
.footer__links a:hover{color:var(--c-accent);text-decoration:none;}
.footer__bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 24px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.56);line-height:1.7;
}

/* ---------- breakpoints ---------- */
@media (min-width:1024px){
  .container{padding:0 32px;}
  .column,.columns{padding-left:16px;padding-right:16px;}
  .row{max-width:1232px;}
  .cta-mid{padding:84px 0;}
  .cat-hero{padding:40px 0 80px;}
  .cat-hero__media{margin-top:0;}
  .split__media{margin-bottom:0;}
}
@media (min-width:1440px){
  :root{--sec:104px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  .nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .header__cta-desktop{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .matrix__row{grid-template-columns:180px 1fr 130px;gap:18px;padding:20px 22px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .roles{grid-template-columns:1fr;}
  .matrix__row{grid-template-columns:1fr;gap:10px;padding:20px;}
  .matrix__meta{text-align:left;}
  .points--grid{grid-template-columns:1fr;}
  .section__head{margin-bottom:28px;}
}
@media (max-width:639px){
  :root{--sec:44px;}
  .topbar{font-size:12px;}
  .topbar__arrow{display:none;}
  .topbar__inner{gap:8px;}
  .header__inner{min-height:64px;}
  .brand__sub{display:none;}
  .cat-hero{padding:24px 0 48px;}
  .cat-hero__lead{font-size:16px;}
  .cat-hero__actions .btn{width:100%;}
  .stats{grid-template-columns:1fr;gap:14px;}
  .cta-mid{padding:52px 0;}
  .form-card{padding:22px;}
  .form__submit{text-align:left;}
  .form__submit .btn{width:100%;height:52px;}
  .cta-strip__actions{width:100%;}
  .cta-strip__actions .btn{width:100%;}
  .split__media::before{top:-8px;left:-8px;width:44px;height:44px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1EEE7;
  --c-ink:#12211E;
  --c-body:#33413D;
  --c-muted:#6B7A75;
  --c-line:#E4E1D8;
  --c-primary:#0B5B4D;
  --c-primary-dark:#073D34;
  --c-primary-soft:#E6F0ED;
  --c-accent:#E2A038;
  --c-accent-dark:#C9862A;
  --c-danger:#C0452F;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(12,32,28,.22);
  --sh-3:0 22px 48px -24px rgba(12,32,28,.30);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;height:auto;display:block;border:0;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.28;letter-spacing:-0.01em;}
h2{font-size:clamp(22px,2.4vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease;}
a:hover{color:var(--c-accent-dark);text-decoration:underline;text-underline-offset:3px;}
ul,ol{margin:0 0 1.15em;padding-left:1.35em;}
li{margin-bottom:8px;line-height:1.9;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.num,.meta-num{font-variant-numeric:tabular-nums;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
.row{max-width:none;margin-left:-6px;margin-right:-6px;}
.row .column,.row .columns{padding-left:6px;padding-right:6px;}
@media (min-width:1024px){
  .container{padding:0 32px;}
  .row{margin-left:-8px;margin-right:-8px;}
  .row .column,.row .columns{padding-left:8px;padding-right:8px;}
}
@media (min-width:1440px){
  :root{--sec-y:104px;}
}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-primary-dark);color:#CFE0DA;font-size:13px;line-height:1.6;}
.topbar__inner{display:flex;align-items:center;gap:16px;min-height:36px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px;}
.topbar__site{font-weight:600;letter-spacing:.02em;color:#fff;}
.topbar__note{color:#A9C4BC;flex:1 1 auto;}
.topbar__cta{color:var(--c-accent);font-weight:600;white-space:nowrap;}
.topbar__cta:hover{color:#fff;text-decoration:none;}
@media (max-width:639px){
  .topbar{font-size:12px;}
  .topbar__cta i{display:none;}
}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow 180ms ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header__inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand__mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--sh-1);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.brand__sub{font-size:12px;color:var(--c-muted);}
.nav{display:none;align-items:center;gap:26px;margin-left:auto;}
.nav__link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--c-body);
  padding:6px 0;white-space:nowrap;
}
.nav__link:hover{color:var(--c-primary);text-decoration:none;}
.nav__link.is-active{color:var(--c-primary);font-weight:600;}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.header__actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-toggle{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all 180ms ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
@media (min-width:1024px){
  .nav{display:flex;}
  .header__actions{margin-left:0;}
  .nav-toggle{display:none;}
}
@media (max-width:1023px){
  .header__inner{min-height:64px;}
  .header__actions .btn{display:none;}
}
.drawer{
  display:none;
  position:fixed;left:0;right:0;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-3);
  padding:72px 20px 28px;
  max-height:100vh;overflow-y:auto;
}
.drawer.is-open{display:block;animation:drawerIn 200ms ease;}
@keyframes drawerIn{from{transform:translateY(-14px);opacity:0;}to{transform:translateY(0);opacity:1;}}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer__title{font-size:13px;color:var(--c-muted);letter-spacing:.08em;}
.drawer__close{
  width:36px;height:36px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:transparent;color:var(--c-ink);cursor:pointer;
}
.drawer__list{list-style:none;margin:0 0 20px;padding:0;}
.drawer__list li{margin:0;border-bottom:1px solid var(--c-line);}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:16px;color:var(--c-ink);font-weight:500;
}
.drawer__list a:hover{color:var(--c-primary);text-decoration:none;}
.drawer__list a i{color:var(--c-muted);font-size:13px;}
.drawer__meta{font-size:13px;color:var(--c-muted);line-height:1.9;margin-bottom:18px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background 180ms ease,color 180ms ease,border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-2);}
.btn--accent{background:var(--c-accent);color:#2A1C05;box-shadow:var(--sh-1);}
.btn--accent:hover{background:var(--c-accent-dark);color:#fff;box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn--ghost:hover{border-color:var(--c-accent-dark);color:var(--c-accent-dark);background:var(--c-primary-soft);}
.btn--light{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.32);color:#fff;}
.btn--light:hover{background:rgba(255,255,255,.18);color:#fff;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--c-primary-soft);color:var(--c-primary);
  border:1px solid rgba(11,91,77,.14);
}
.badge--accent{background:#FBF0DC;color:#8A5C13;border-color:rgba(226,160,56,.35);}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--c-body);
  background:var(--c-surface);border:1px solid var(--c-line);
  transition:all 180ms ease;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none;background:var(--c-primary-soft);}

/* ============ 页面头部 ============ */
.article-hero{
  background:linear-gradient(180deg,var(--c-primary-soft) 0%,rgba(230,240,237,.35) 78%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:26px 0 44px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--c-muted);margin-bottom:20px;line-height:1.8;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:none;}
.breadcrumb span.sep{color:#BFC7C2;}
.breadcrumb .current{color:var(--c-body);font-weight:500;}
.article-head{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start;}
.article-head__main{flex:1 1 520px;min-width:0;}
.article-head__side{flex:0 0 auto;}
.article-head h1{margin:16px 0 18px;max-width:920px;}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:14px;color:var(--c-muted);font-variant-numeric:tabular-nums;
}
.article-meta i{color:var(--c-primary);margin-right:6px;}

/* ============ 主体布局 ============ */
.article-main{padding:56px 0 0;}
.article-layout{display:flex;flex-wrap:wrap;}
.article-body{
  max-width:760px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:38px 34px;
  box-shadow:var(--sh-1);
}
.article-layout__aside{display:none;}
@media (max-width:1023px){
  .article-body{padding:28px 20px;border-radius:var(--r-md);}
}
@media (min-width:1200px){
  .article-layout__aside{display:block;position:sticky;top:96px;align-self:flex-start;}
}

/* ============ 正文排版 ============ */
.prose{font-size:17px;line-height:1.9;color:var(--c-body);max-width:42em;}
.prose h2{
  position:relative;padding-left:14px;
  margin:2.4em 0 .8em;font-size:clamp(21px,2vw,26px);line-height:1.4;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.38em;
  width:4px;height:.86em;border-radius:2px;background:var(--c-primary);
}
.prose h3{margin:1.8em 0 .5em;font-size:20px;color:var(--c-ink);}
.prose h2:first-child,.prose h3:first-child{margin-top:0;}
.prose p{margin:0 0 1.15em;}
.prose a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.prose a:hover{color:var(--c-accent-dark);}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.2em;}
.prose ul li::marker{color:var(--c-primary);}
.prose ol li::marker{color:var(--c-primary);font-weight:600;}
.prose blockquote{
  margin:1.6em 0;padding:20px 24px;
  border-left:3px solid var(--c-primary);
  background:var(--c-surface-2);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:18px;color:var(--c-ink);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-md);margin:1.6em 0 10px;width:100%;}
.prose figure{margin:1.6em 0;}
.prose figcaption,.prose .caption{
  text-align:center;font-size:13px;color:var(--c-muted);line-height:1.7;
}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0;}
.prose table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;
}
.prose th{background:var(--c-surface-2);font-weight:600;color:var(--c-ink);text-align:left;}
.prose th,.prose td{padding:12px 16px;border:1px solid var(--c-line);line-height:1.75;}
.prose pre{
  background:var(--c-surface-2);border:1px solid var(--c-line);
  border-radius:var(--r-sm);padding:16px 18px;overflow-x:auto;
  font-size:13px;line-height:1.75;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.prose code{
  background:var(--c-surface-2);border-radius:4px;padding:2px 6px;
  font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.prose pre code{background:none;padding:0;}
@media (max-width:639px){
  .prose{font-size:16.5px;}
  .prose table{display:block;overflow-x:auto;white-space:nowrap;}
}

/* 空态 */
.empty-state{
  min-height:180px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;gap:12px;
  padding:40px 20px;background:var(--c-surface-2);
  border:1px dashed var(--c-line);border-radius:var(--r-md);
}
.empty-state i{font-size:40px;color:var(--c-primary);opacity:.55;}
.empty-state h2{font-size:22px;}
.empty-state p{color:var(--c-muted);font-size:15px;margin:0;}

/* 标签行 */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--c-line);
}
.article-tags__label{font-size:14px;color:var(--c-muted);margin-right:2px;}

/* 侧栏 */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
  margin-bottom:20px;
}
.side-card h3{font-size:17px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--c-muted);line-height:1.8;margin-bottom:16px;}
.side-card--signup{background:var(--c-primary-soft);border-color:rgba(11,91,77,.18);}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{margin:0;border-bottom:1px dashed var(--c-line);}
.side-list li:last-child{border-bottom:0;}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 0;font-size:15px;line-height:1.7;color:var(--c-body);font-weight:500;
}
.side-list a:hover{color:var(--c-primary);text-decoration:none;}
.side-list .num{
  flex:0 0 auto;width:20px;font-size:13px;color:var(--c-primary);font-weight:700;
  font-variant-numeric:tabular-nums;line-height:1.9;
}

/* ============ 相关推荐 ============ */
.related{padding:var(--sec-y) 0 0;}
.section-head{margin-bottom:28px;}
.section-head h2{margin-bottom:10px;}
.section-head p{color:var(--c-muted);font-size:15px;max-width:640px;margin:0;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  height:100%;display:flex;flex-direction:column;
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);}
.card__media{
  position:relative;aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;
}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card__body h3{
  font-size:17px;line-height:1.55;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card__body h3{color:var(--c-primary);}
.card__excerpt{
  font-size:15px;line-height:1.8;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin:0;
}
.card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;
}
.card__foot i{color:var(--c-primary);}
.card__link{position:absolute;inset:0;z-index:2;}
.card--wrap{position:relative;}

/* ============ 底部 CTA ============ */
.cta-band{
  margin-top:var(--sec-y);
  background:var(--c-primary-dark);
  color:#D8E6E1;
  padding:64px 0;
}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:#A9C4BC;font-size:16px;line-height:1.85;margin:0;max-width:560px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-start;}
@media (min-width:1024px){
  .cta-band__actions{justify-content:flex-end;}
}
.cta-band__list{
  list-style:none;margin:18px 0 0;padding:0;
  display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;color:#A9C4BC;
}
.cta-band__list li{margin:0;display:flex;align-items:center;gap:8px;}
.cta-band__list i{color:var(--c-accent);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-dark);color:#B9CFC9;
  padding:60px 0 0;font-size:15px;
  border-top:1px solid rgba(255,255,255,.08);
}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.02em;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer__mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-accent);
  color:#2A1C05;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;
}
.footer__name{font-size:17px;font-weight:700;color:#fff;}
.footer__desc{color:#A9C4BC;font-size:14px;line-height:1.85;margin:0 0 14px;max-width:320px;}
.footer__meta{font-size:14px;color:#8FA9A2;line-height:1.9;font-variant-numeric:tabular-nums;}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{color:#B9CFC9;font-size:14px;}
.footer__links a:hover{color:var(--c-accent);text-decoration:none;}
.footer__bottom{
  margin-top:48px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;
  font-size:13px;color:#8FA9A2;line-height:1.8;
}
@media (max-width:1023px){
  .site-footer{padding-top:44px;}
  .site-footer .column{margin-bottom:28px;}
  .footer__bottom{margin-top:16px;}
}

/* roulang page: category2 */
:root{
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1EEE7;
  --c-ink:#12211E;
  --c-body:#33413D;
  --c-muted:#6B7A75;
  --c-line:#E4E1D8;
  --c-primary:#0B5B4D;
  --c-primary-dark:#073D34;
  --c-primary-soft:#E6F0ED;
  --c-accent:#E2A038;
  --c-accent-dark:#C9862A;
  --c-danger:#C0452F;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(12,32,28,.22);
  --sh-3:0 22px 48px -24px rgba(12,32,28,.30);
  --section-gap:88px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.28}
h2{font-size:clamp(22px,2.4vw,32px);line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease}
a:hover{color:var(--c-accent-dark);text-decoration:underline;text-underline-offset:3px}
ul,ol{list-style:none;margin:0;padding:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;
}
.row{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:12px;padding-right:12px}
.row .column{padding-left:16px;padding-right:16px}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-dark);color:#D9E7E3;font-size:13px}
.topbar__inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:36px;
  display:flex;align-items:center;gap:18px;justify-content:space-between;
}
.topbar__left{display:flex;align-items:center;gap:18px;min-width:0}
.topbar__domain{font-weight:600;color:#FFFFFF;letter-spacing:.02em}
.topbar__tip{color:#AFC6C0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__action{color:var(--c-accent);font-weight:600;white-space:nowrap}
.topbar__action:hover{color:#F0BE6C;text-decoration:none}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60}
.nav-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow 200ms ease}
.nav-bar.is-scrolled{box-shadow:var(--sh-2)}
.nav-bar__inner{
  max-width:1200px;margin:0 auto;padding:0 24px;min-height:72px;
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand:hover{text-decoration:none}
.brand__mark{
  width:38px;height:38px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;letter-spacing:.02em;
  box-shadow:inset 0 -8px 12px -10px rgba(0,0,0,.5);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:17px;font-weight:700;color:var(--c-ink)}
.brand__sub{font-size:12px;color:var(--c-muted);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__link{
  display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;color:var(--c-body);border-bottom:2px solid transparent;font-weight:500;
}
.nav__link:hover{color:var(--c-primary);text-decoration:none;background:var(--c-surface-2)}
.nav__link.is-active{color:var(--c-primary);font-weight:600;border-bottom-color:var(--c-primary)}
.nav__cta{flex:none}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-surface);align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{
  display:none;border-top:1px solid var(--c-line);background:var(--c-surface);
}
.drawer.is-open{display:block}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 24px;
  border-bottom:1px solid var(--c-line);color:var(--c-body);font-size:16px;
}
.drawer__link.is-active{color:var(--c-primary);font-weight:600}
.drawer__link:hover{background:var(--c-surface-2);text-decoration:none}
.drawer__foot{padding:18px 24px 24px}
.drawer__tip{font-size:13px;color:var(--c-muted);margin-bottom:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color 180ms ease,color 180ms ease,border-color 180ms ease,box-shadow 180ms ease,transform 180ms ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line)}
.btn--ghost:hover{border-color:var(--c-accent-dark);color:var(--c-accent-dark);background:var(--c-primary-soft);transform:translateY(-1px)}
.btn--accent{background:var(--c-accent);color:#231A08;box-shadow:var(--sh-1)}
.btn--accent:hover{background:var(--c-accent-dark);color:#231A08;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;line-height:1;
  background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;white-space:nowrap;
}
.chip--accent{background:#FBEEDA;color:#8A5A10}
.chip--line{background:transparent;border:1px solid var(--c-line);color:var(--c-muted);font-weight:500}

/* ---------- 板块 ---------- */
.section{padding:var(--section-gap) 0}
.section--soft{background:var(--c-surface-2)}
.section--surface{background:var(--c-surface)}
.section__head{max-width:820px;margin-bottom:40px}
.section__title{margin-bottom:14px}
.section__lead{font-size:16px;color:var(--c-muted);line-height:1.8;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:block}

/* ---------- 分类页头图 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-bg);border-bottom:1px solid var(--c-line)}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-90px;width:560px;height:420px;
  background:var(--c-primary-soft);border-radius:36px;transform:rotate(-9deg);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(var(--c-ink) 1px,transparent 1px),linear-gradient(90deg,var(--c-ink) 1px,transparent 1px);
  background-size:56px 56px;
}
.page-hero__inner{position:relative;z-index:2;padding:44px 0 64px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:22px}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span[aria-current]{color:var(--c-ink)}
.page-hero__grid{display:flex;gap:48px;align-items:center;flex-wrap:wrap}
.page-hero__copy{flex:1 1 520px;min-width:280px}
.page-hero__title{margin-bottom:16px;max-width:16em}
.page-hero__lead{font-size:17px;line-height:1.85;color:var(--c-body);max-width:34em;margin-bottom:24px}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.page-hero__media{flex:1 1 420px;min-width:280px}
.media-frame{
  position:relative;border-radius:var(--r-lg);border:1px solid var(--c-line);
  background:var(--c-surface-2);overflow:hidden;box-shadow:var(--sh-2);
}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:10px;border:6px solid rgba(11,91,77,.08);border-radius:var(--r-md);pointer-events:none;
}
.keyinfo{
  display:flex;flex-wrap:wrap;border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.keyinfo__item{
  flex:1 1 150px;padding:14px 20px 14px 0;border-right:1px solid var(--c-line);min-width:140px;
}
.keyinfo__item:last-child{border-right:0}
.keyinfo__k{display:block;font-size:13px;color:var(--c-muted);margin-bottom:2px}
.keyinfo__v{font-size:16px;font-weight:600;color:var(--c-ink)}

/* ---------- 时间线 ---------- */
.timeline{max-width:940px;margin:0 auto}
.timeline__item{
  display:grid;grid-template-columns:96px 28px 1fr;align-items:start;
  padding-bottom:20px;
}
.timeline__item:last-child{padding-bottom:0}
.timeline__time{
  font-size:13px;color:var(--c-muted);text-align:right;padding-top:22px;
  font-variant-numeric:tabular-nums;font-weight:600;letter-spacing:.02em;
}
.timeline__marker{position:relative;display:flex;justify-content:center;padding-top:24px;height:100%}
.timeline__marker::before{
  content:"";position:absolute;top:0;bottom:-20px;left:50%;width:1px;background:var(--c-line);transform:translateX(-50%);
}
.timeline__item:last-child .timeline__marker::before{display:none}
.timeline__dot{
  position:relative;z-index:2;width:12px;height:12px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 0 2px var(--c-primary-soft);
}
.timeline__card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--sh-1);transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.timeline__card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,91,77,.35)}
.timeline__title{margin-bottom:8px}
.timeline__desc{font-size:15px;line-height:1.8;color:var(--c-body);margin-bottom:12px}
.timeline__tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- CTA 深色条 ---------- */
.cta-band{background:var(--c-primary-dark);color:#DCEAE6}
.cta-band__inner{padding:64px 0;display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.cta-band__copy{flex:1 1 480px;min-width:280px}
.cta-band__title{color:#fff;margin-bottom:14px}
.cta-band__text{color:#B9CFC9;font-size:16px;line-height:1.85;max-width:40em;margin:0}
.cta-band__actions{flex:0 0 auto;display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn--ghost{border-color:rgba(255,255,255,.35);color:#fff}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.10);border-color:var(--c-accent);color:#fff}
.cta-band__facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:22px}
.cta-band__fact{font-size:14px;color:#A9C4BD}
.cta-band__fact strong{display:block;font-size:20px;color:#fff;font-variant-numeric:tabular-nums}

/* ---------- 嘉宾网格 ---------- */
.speaker-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.speaker-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,91,77,.35)}
.speaker-card__media{background:var(--c-surface-2)}
.speaker-card__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.speaker-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.speaker-card__name{font-size:19px;font-weight:700;color:var(--c-ink);margin:0}
.speaker-card__role{font-size:14px;color:var(--c-muted);margin:0}
.speaker-card__text{font-size:15px;line-height:1.8;margin:0}
.speaker-card__foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);font-size:14px;color:var(--c-primary);font-weight:600}

/* ---------- 准备清单 ---------- */
.prep-list{display:flex;flex-direction:column;gap:14px}
.prep-item{
  display:flex;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:18px 22px;box-shadow:var(--sh-1);
}
.prep-item__num{
  flex:none;width:34px;height:34px;border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.prep-item h3{font-size:17px;margin-bottom:4px}
.prep-item p{font-size:15px;line-height:1.8;margin:0}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 26px 28px;box-shadow:var(--sh-1);
}
.side-card h3{margin-bottom:12px}
.side-list li{
  display:flex;gap:10px;font-size:15px;line-height:1.8;padding:9px 0;border-bottom:1px dashed var(--c-line);
}
.side-list li:last-child{border-bottom:0}
.side-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:11px}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq__item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq__item[open]{border-color:rgba(11,91,77,.35)}
.faq__q{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq__q::-webkit-details-marker{display:none}
.faq__icon{
  flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--c-line);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;transition:transform 200ms ease,background-color 180ms ease;
}
.faq__item[open] .faq__icon{transform:rotate(180deg);background:var(--c-primary-soft);border-color:var(--c-primary-soft)}
.faq__a{padding:0 22px 20px;font-size:16px;line-height:1.8;background:var(--c-surface);color:var(--c-body)}

/* ---------- 底部报名条 ---------- */
.signup-strip{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.signup-strip__inner{padding:44px 0;display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.signup-strip h2{font-size:22px;margin-bottom:6px}
.signup-strip p{margin:0;color:var(--c-muted);font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:#C6D8D3;padding:64px 0 0;font-size:15px}
.site-footer h3{color:#fff;font-size:15px;font-weight:600;letter-spacing:.04em;margin-bottom:16px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.footer__name{font-size:17px;font-weight:700;color:#fff}
.footer__desc{color:#A9C4BD;font-size:14px;line-height:1.8;margin-bottom:16px;max-width:26em}
.footer__meta{font-size:13px;color:#8FAEA7;line-height:1.9}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__links a{color:#C6D8D3;font-size:14px}
.footer__links a:hover{color:var(--c-accent)}
.footer__bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FAEA7;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--section-gap:64px}
  .nav,.nav__cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-bar__inner{gap:16px}
  .timeline__item{grid-template-columns:72px 24px 1fr}
  .page-hero::before{width:420px;height:320px;right:-140px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .topbar__inner{height:auto;padding:8px 16px;flex-wrap:wrap;gap:6px 14px}
  .topbar__tip{font-size:12px;flex:1 1 100%}
  .page-hero__inner{padding:32px 0 48px}
  .page-hero__grid{gap:28px}
  .cta-band__inner{padding:48px 0}
  .footer__bottom{margin-top:32px}
}
@media (max-width:639px){
  :root{--section-gap:44px}
  .row{padding-left:8px;padding-right:8px}
  .row .column{padding-left:12px;padding-right:12px}
  .timeline__item{grid-template-columns:1fr;padding-bottom:16px}
  .timeline__time{text-align:left;padding:0 0 6px 0;font-size:13px}
  .timeline__marker{display:none}
  .keyinfo__item{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--c-line);padding:12px 0}
  .keyinfo__item:last-child{border-bottom:0}
  .btn{width:100%}
  .page-hero__actions{gap:10px}
  .cta-band__actions{width:100%}
  .signup-strip__inner{padding:32px 0}
}

/* roulang page: category4 */
:root{
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1EEE7;
  --c-ink:#12211E;
  --c-body:#33413D;
  --c-muted:#6B7A75;
  --c-line:#E4E1D8;
  --c-primary:#0B5B4D;
  --c-primary-dark:#073D34;
  --c-primary-soft:#E6F0ED;
  --c-accent:#E2A038;
  --c-accent-dark:#C9862A;
  --c-danger:#C0452F;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(12,32,28,.22);
  --sh-3:0 22px 48px -24px rgba(12,32,28,.30);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-bg);
}
h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:700;}
p{margin:0 0 1.15em;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-accent-dark);text-decoration:underline;text-underline-offset:3px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.row{max-width:1200px;}
.row .row{max-width:none;margin-left:-12px;margin-right:-12px;}
.column,.columns{padding-left:12px;padding-right:12px;float:left;}
@media screen and (min-width:1024px){
  .column,.columns{padding-left:16px;padding-right:16px;}
  :root{--sec:88px;}
}
::selection{background:var(--c-primary);color:#fff;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-primary-dark);
  color:#D8E6E2;
  font-size:13px;
  line-height:1.7;
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:36px;
  gap:16px;
  padding:4px 0;
}
.topbar__note{color:#BFD6D0;}
.topbar__action{color:#F0E3CB;font-weight:600;}
.topbar__action:hover{color:var(--c-accent);text-decoration:none;}
.topbar__arrow{margin-left:4px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--c-surface);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-wrap{border-bottom:1px solid var(--c-line);background:var(--c-surface);}
.nav-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand__mark{
  width:38px;height:38px;border-radius:var(--r-md);
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__name{font-size:18px;font-weight:700;color:var(--c-ink);}
.brand__sub{font-size:12px;color:var(--c-muted);letter-spacing:.04em;}
.nav{display:flex;align-items:center;gap:26px;}
.nav__link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--c-body);
  padding:24px 0;
  text-decoration:none;
  white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav__link:hover{color:var(--c-primary);text-decoration:none;}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--c-primary);}
.nav__link.is-active::after{transform:scaleX(1);}
.nav-bar__cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  background:var(--c-surface);
  color:var(--c-ink);
  font-size:16px;
  cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-line);}
.btn--ghost:hover{background:var(--c-primary-soft);border-color:var(--c-accent-dark);color:var(--c-accent-dark);transform:translateY(-1px);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(0);box-shadow:var(--sh-1);}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:14px;color:var(--c-muted);padding:22px 0 0;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs__sep{margin:0 8px;color:var(--c-line);}
.crumbs__now{color:var(--c-ink);font-weight:600;}

/* ---------- 分类头图区 ---------- */
.page-hero{
  position:relative;
  background:var(--c-primary-soft);
  padding:36px 0 56px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;right:-120px;top:-80px;width:340px;height:340px;
  background:rgba(11,91,77,.07);
  transform:rotate(18deg);
  pointer-events:none;
}
.page-hero__grid{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  gap:44px;
  margin-top:18px;
}
.page-hero__text{flex:1 1 0;min-width:0;}
.page-hero__tag{
  display:inline-block;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--c-surface);
  border:1px solid rgba(11,91,77,.22);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
}
h1.page-hero__title{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.28;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.page-hero__lead{
  font-size:17px;
  line-height:1.85;
  color:var(--c-body);
  max-width:42em;
  margin-bottom:24px;
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;}
.page-hero__media{
  flex:0 0 42%;
  max-width:460px;
}
.media{
  position:relative;
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.media img{width:100%;height:100%;object-fit:cover;}
.media--hero{aspect-ratio:16/12;}
.media--wide{aspect-ratio:16/10;}
.media--square{aspect-ratio:4/3;}
.media--offset::before{
  content:"";position:absolute;inset:0;transform:translate(10px,10px);
  border:6px solid rgba(11,91,77,.08);border-radius:var(--r-lg);
  z-index:-1;
}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec) 0;}
.section--tight{padding:56px 0;}
.section__head{max-width:760px;margin-bottom:36px;}
.section__eyebrow{
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:10px;
}
h2.section__title{
  font-size:clamp(22px,2.4vw,32px);
  line-height:1.35;
  margin-bottom:14px;
}
.section__desc{font-size:16px;color:var(--c-body);margin:0;}
.text-muted{color:var(--c-muted);}

/* ---------- 支持横条 ---------- */
.support-strip{
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  background:var(--c-surface);
}
.support-strip__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.support-strip__item{
  padding:26px 22px;
  border-left:1px solid var(--c-line);
}
.support-strip__item:first-child{border-left:none;}
.support-strip__label{font-size:13px;color:var(--c-muted);margin-bottom:6px;}
.support-strip__value{font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.5;}
.support-strip__hint{font-size:14px;color:var(--c-muted);margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;}
.faq-group__title{
  font-size:20px;
  line-height:1.5;
  margin-bottom:16px;
  padding-left:14px;
  border-left:4px solid var(--c-primary);
}
.faq-group__title span{color:var(--c-muted);font-size:14px;font-weight:500;margin-left:8px;}
.qa{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.qa[open]{border-color:rgba(11,91,77,.35);box-shadow:var(--sh-1);}
.qa summary{
  list-style:none;
  cursor:pointer;
  padding:16px 48px 16px 20px;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.6;
  position:relative;
}
.qa summary::-webkit-details-marker{display:none;}
.qa summary::after{
  content:"+";
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:600;color:var(--c-primary);
  transition:transform .2s ease;
  line-height:1;
}
.qa[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.qa summary:hover{color:var(--c-primary);}
.qa__body{
  background:var(--c-surface-2);
  border-radius:0 0 var(--r-md) var(--r-md);
  padding:16px 20px;
  font-size:16px;
  line-height:1.8;
  color:var(--c-body);
}
.qa__body p:last-child{margin-bottom:0;}

/* ---------- 图文两栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split--reverse .split__media{order:2;}
.step-list{counter-reset:step;margin-top:8px;}
.step-list li{
  position:relative;
  padding-left:46px;
  padding-bottom:20px;
  font-size:16px;
  line-height:1.8;
}
.step-list li:last-child{padding-bottom:0;}
.step-list li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  width:30px;height:30px;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-list li strong{color:var(--c-ink);display:block;font-size:17px;margin-bottom:2px;}

/* ---------- 联系表单 ---------- */
.contact{
  background:var(--c-primary-soft);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.contact__grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.contact__intro h2{font-size:clamp(22px,2.4vw,32px);line-height:1.35;margin-bottom:14px;}
.contact__intro p{font-size:16px;line-height:1.85;}
.contact__list{margin:24px 0 28px;}
.contact__list li{
  font-size:15px;
  color:var(--c-body);
  padding:12px 0;
  border-bottom:1px dashed var(--c-line);
  display:flex;gap:10px;align-items:flex-start;
}
.contact__list li i{color:var(--c-primary);margin-top:6px;}
.form-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:32px;
}
.form-card__title{font-size:20px;margin-bottom:6px;}
.form-card__note{font-size:14px;color:var(--c-muted);margin-bottom:24px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;}
.field--full{grid-column:1 / -1;}
.field label{
  font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;
}
.field label .req{color:var(--c-accent);margin-left:3px;}
.field input,
.field select,
.field textarea{
  width:100%;
  font-family:inherit;
  font-size:15px;
  color:var(--c-body);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:0 14px;
  height:48px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-muted) 50%),linear-gradient(135deg,var(--c-muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:42px;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(11,91,77,.12);
}
.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown){border-color:var(--c-danger);}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-body);line-height:1.7;}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);}
.form-actions{display:flex;justify-content:flex-end;margin-top:24px;}
.form-actions .btn{min-width:220px;}
.form-success{
  background:var(--c-primary-soft);
  border:1px solid rgba(11,91,77,.24);
  border-radius:var(--r-md);
  padding:24px;
  text-align:center;
}
.form-success i{font-size:26px;color:var(--c-primary);}
.form-success h3{font-size:18px;margin:12px 0 8px;}
.form-success p{font-size:15px;color:var(--c-body);margin-bottom:18px;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.stat-strip__item{
  padding:28px 26px;
  border-left:1px solid var(--c-line);
}
.stat-strip__item:first-child{border-left:none;}
.stat-strip__num{
  font-size:26px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.stat-strip__text{font-size:14px;color:var(--c-muted);margin-top:6px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-dark);
  color:#BFD6D0;
  padding:64px 0 0;
}
.site-footer h3{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;
}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__mark{
  width:34px;height:34px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.12);
  color:#fff;font-weight:700;font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;
}
.footer__name{font-size:17px;font-weight:700;color:#fff;}
.footer__desc{font-size:14px;line-height:1.8;color:#A9C4BD;margin-bottom:16px;}
.footer__meta{font-size:13px;line-height:1.9;color:#93B2AA;}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{font-size:14px;color:#BFD6D0;}
.footer__links a:hover{color:var(--c-accent);}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:48px;
  padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#93B2AA;
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:80;
  background:var(--c-surface);
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer__close{
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);font-size:16px;cursor:pointer;
}
.drawer__nav{display:flex;flex-direction:column;}
.drawer__nav a{
  height:52px;display:flex;align-items:center;
  border-bottom:1px solid var(--c-line);
  font-size:16px;font-weight:600;color:var(--c-body);
}
.drawer__nav a.is-active{color:var(--c-primary);}
.drawer__note{
  margin-top:20px;padding:16px;border-radius:var(--r-md);
  background:var(--c-surface-2);font-size:13px;line-height:1.8;color:var(--c-muted);
}
body.is-locked{overflow:hidden;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--sec:64px;}
  .nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-bar{min-height:64px;}
  .nav-bar__cta{display:none;}
  .page-hero__grid{flex-direction:column;align-items:stretch;gap:28px;}
  .page-hero__media{flex:none;max-width:100%;width:100%;}
  .faq-layout{grid-template-columns:1fr;gap:0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split--reverse .split__media{order:0;}
  .contact__grid{grid-template-columns:1fr;gap:32px;}
  .support-strip__grid{grid-template-columns:1fr 1fr;}
  .support-strip__item{border-top:1px solid var(--c-line);}
  .support-strip__item:nth-child(1),
  .support-strip__item:nth-child(2){border-top:none;}
  .support-strip__item:nth-child(odd){border-left:none;}
  .site-footer{padding-top:48px;}
}
@media screen and (max-width:639px){
  :root{--sec:44px;}
  body{font-size:16px;}
  .topbar{font-size:12px;}
  .topbar__arrow{display:none;}
  .topbar__inner{flex-direction:column;align-items:flex-start;gap:2px;padding:6px 0;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .form-actions{justify-content:stretch;}
  .form-actions .btn{width:100%;height:52px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip__item{border-left:none;border-top:1px solid var(--c-line);}
  .stat-strip__item:first-child{border-top:none;}
  .page-hero{padding:24px 0 44px;}
  .support-strip__grid{grid-template-columns:1fr;}
  .support-strip__item{border-left:none;border-top:1px solid var(--c-line);padding:20px 18px;}
  .support-strip__item:first-child{border-top:none;}
  .footer__bottom{flex-direction:column;}
}
@media screen and (min-width:1440px){
  :root{--sec:104px;}
}

/* roulang page: category3 */
:root{
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1EEE7;
  --c-ink:#12211E;
  --c-body:#33413D;
  --c-muted:#6B7A75;
  --c-line:#E4E1D8;
  --c-primary:#0B5B4D;
  --c-primary-dark:#073D34;
  --c-primary-soft:#E6F0ED;
  --c-accent:#E2A038;
  --c-accent-dark:#C9862A;
  --c-danger:#C0452F;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(12,32,28,.22);
  --sh-3:0 22px 48px -24px rgba(12,32,28,.30);
  --container:1200px;
  --sp-xl:88px;
  --sp-lg:64px;
  --sp-md:44px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent-dark);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;}
li{margin-bottom:8px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ Foundation 覆盖 ============ */
.row{max-width:var(--container);margin-left:auto;margin-right:auto;}
.row .row{max-width:none;}
.column,.columns{padding-left:12px;padding-right:12px;}
@media screen and (min-width:1024px){
  .column,.columns{padding-left:16px;padding-right:16px;}
}
.button,button.button{
  background:var(--c-primary);color:#fff;border-radius:var(--r-md);font-weight:600;
  padding:12px 24px;border:1px solid var(--c-primary);
}
.button:hover,button.button:hover{background:var(--c-primary-dark);color:#fff;}
.accordion{border:0;background:transparent;}
.accordion-title{border:0;}
[type=text],[type=email],[type=tel],[type=number],select,textarea{
  height:auto;margin:0;border-radius:var(--r-sm);box-shadow:none;
}

/* ============ 通用 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media screen and (min-width:1024px){.container{padding:0 32px;}}
.section{padding:var(--sp-xl) 0;}
.section--tight{padding:var(--sp-lg) 0;}
.section--soft{background:var(--c-surface-2);}
.section__head{max-width:760px;margin-bottom:40px;}
.section__eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);padding:4px 14px;margin-bottom:16px;
}
.section__title{font-size:clamp(22px,2.4vw,32px);line-height:1.35;margin:0 0 14px;}
.section__lead{color:var(--c-muted);font-size:16px;margin:0;max-width:66ch;}
.badge{
  display:inline-block;font-size:13px;line-height:1.6;padding:2px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);border:1px solid rgba(11,91,77,.16);
}
.badge--accent{background:#FBF0DC;color:var(--c-accent-dark);border-color:rgba(226,160,56,.32);}
.divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;line-height:1.2;padding:14px 26px;border-radius:var(--r-md);
  border:1px solid transparent;cursor:pointer;transition:all .18s ease;text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn--primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn--outline:hover{background:var(--c-primary-soft);border-color:var(--c-accent-dark);color:var(--c-accent-dark);transform:translateY(-1px);}
.btn--accent{background:var(--c-accent);color:#1E1608;border-color:var(--c-accent);}
.btn--accent:hover{background:var(--c-accent-dark);color:#1E1608;}
.btn--sm{padding:10px 18px;font-size:15px;}
.btn--block{width:100%;}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-primary-dark);color:#D8E5E1;font-size:13px;line-height:1.7;}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:36px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap;
}
.topbar__left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.topbar__host{font-variant-numeric:tabular-nums;letter-spacing:.02em;color:#fff;opacity:.9;}
.topbar__tip{color:#B9CEC9;}
.topbar__link{color:#fff;font-weight:600;text-decoration:none;white-space:nowrap;}
.topbar__link:hover{color:var(--c-accent);text-decoration:none;}
@media screen and (max-width:639px){
  .topbar{font-size:12px;}
  .topbar__arrow{display:none;}
  .topbar__tip{display:none;}
}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--c-ink);}
.brand:hover{text-decoration:none;color:var(--c-ink);}
.brand__mark{
  width:40px;height:40px;border-radius:var(--r-md);background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
  letter-spacing:.02em;box-shadow:var(--sh-1);flex:0 0 auto;
}
.brand__name{display:block;font-size:19px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.brand__sub{display:block;font-size:12px;color:var(--c-muted);line-height:1.4;}
.nav{display:flex;align-items:center;gap:4px;}
.nav__link{
  position:relative;display:inline-block;padding:24px 14px;font-size:15.5px;font-weight:500;
  color:var(--c-body);text-decoration:none;transition:color .18s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;background:transparent;
  border-radius:2px;transition:background .18s ease;
}
.nav__link:hover{color:var(--c-primary);text-decoration:none;}
.nav__link:hover::after{background:rgba(11,91,77,.28);}
.nav__link.is-active{color:var(--c-primary);font-weight:700;}
.nav__link.is-active::after{background:var(--c-primary);}
.header__actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);align-items:center;justify-content:center;font-size:15px;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
@media screen and (max-width:1023px){
  .nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header__actions .btn--primary{display:none;}
  .brand__sub{display:none;}
}
@media screen and (max-width:520px){
  .brand__name{font-size:17px;}
  .brand__mark{width:36px;height:36px;font-size:15px;}
}

/* ============ 移动抽屉 ============ */
.drawer{
  display:none;position:fixed;inset:0;z-index:80;background:var(--c-surface);
  padding:18px 20px 36px;overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer__close{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);font-size:16px;
}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 4px;
  font-size:16.5px;color:var(--c-ink);text-decoration:none;border-bottom:1px solid var(--c-line);
}
.drawer__link:hover{color:var(--c-primary);text-decoration:none;}
.drawer__link.is-active{color:var(--c-primary);font-weight:700;}
.drawer__meta{margin-top:22px;font-size:13.5px;color:var(--c-muted);line-height:1.9;}
.drawer__cta{margin-top:18px;}

/* ============ 分类页头图 ============ */
.cat-hero{
  position:relative;background:var(--c-primary-soft);border-bottom:1px solid var(--c-line);
  padding:36px 0 56px;overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;top:0;right:0;width:38%;height:100%;
  background:linear-gradient(180deg,rgba(11,91,77,.07),rgba(11,91,77,0));pointer-events:none;
}
.cat-hero__grid{display:flex;align-items:center;gap:40px;position:relative;}
.cat-hero__text{flex:1 1 56%;min-width:0;}
.cat-hero__media{flex:1 1 44%;min-width:0;}
.cat-hero__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--c-line);box-shadow:var(--sh-2);background:var(--c-surface-2);
}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.28;letter-spacing:-.01em;margin:14px 0 16px;
}
.cat-hero__lead{font-size:17px;line-height:1.85;color:var(--c-body);max-width:56ch;margin-bottom:22px;}
.cat-hero__facts{display:flex;flex-wrap:wrap;gap:10px;}
.breadcrumb{font-size:14px;color:var(--c-muted);line-height:1.7;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{margin:0 8px;color:#B6C0BB;}
.breadcrumb .current{color:var(--c-body);}
@media screen and (max-width:1023px){
  .cat-hero__grid{flex-direction:column;align-items:stretch;gap:26px;}
  .cat-hero__media{order:2;}
}
@media screen and (max-width:639px){
  .cat-hero{padding:26px 0 40px;}
}

/* ============ 准备清单 ============ */
.prep-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;height:100%;box-shadow:var(--sh-1);transition:all .18s ease;
}
.prep-card:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);}
.prep-card h3{font-size:20px;line-height:1.5;margin-bottom:8px;}
.prep-card > p{font-size:15px;color:var(--c-muted);margin-bottom:18px;}
.check-list{list-style:none;margin:0;padding:0;}
.check-list li{
  display:flex;gap:12px;padding:12px 0;border-top:1px dashed var(--c-line);
  font-size:15.5px;line-height:1.8;margin:0;
}
.check-list li:first-child{border-top:0;}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:var(--r-pill);background:var(--c-primary-soft);
  color:var(--c-primary);font-size:13px;display:flex;align-items:center;justify-content:center;
  margin-top:4px;font-weight:700;
}
.check-list strong{color:var(--c-ink);font-weight:600;}

/* ============ 四步流程条 ============ */
.steps{display:flex;gap:20px;align-items:stretch;}
.step{
  flex:1 1 25%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 22px;position:relative;box-shadow:var(--sh-1);transition:all .18s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);}
.step__num{
  font-size:15px;font-weight:700;letter-spacing:.08em;color:var(--c-accent-dark);
  font-variant-numeric:tabular-nums;display:block;margin-bottom:14px;
}
.step__line{height:2px;background:var(--c-primary-soft);border-radius:2px;margin-bottom:18px;position:relative;}
.step__line::after{content:"";position:absolute;left:0;top:0;height:2px;width:36px;background:var(--c-primary);border-radius:2px;}
.step h3{font-size:19px;line-height:1.5;margin-bottom:8px;}
.step p{font-size:15px;line-height:1.8;color:var(--c-body);margin-bottom:14px;}
.step .badge{font-size:12.5px;}
@media screen and (max-width:1023px){
  .steps{flex-wrap:wrap;}
  .step{flex:1 1 46%;}
}
@media screen and (max-width:639px){
  .steps{flex-direction:column;gap:14px;}
  .step{flex:1 1 auto;}
}

/* ============ 单栏图文说明 ============ */
.detail{max-width:880px;margin:0 auto;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.detail__figure{margin:0;border-bottom:1px solid var(--c-line);background:var(--c-surface-2);}
.detail__figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.detail__figure figcaption{font-size:13px;color:var(--c-muted);text-align:center;padding:12px 20px;}
.detail__body{padding:34px clamp(20px,4vw,44px) 38px;}
.detail__body h3{font-size:20px;line-height:1.5;margin:1.8em 0 .5em;}
.detail__body h3:first-child{margin-top:0;}
.detail__body p{font-size:16.5px;line-height:1.9;}
.quote{
  border-left:3px solid var(--c-primary);background:var(--c-surface-2);
  padding:20px 24px;border-radius:0 var(--r-md) var(--r-md) 0;font-size:17px;line-height:1.85;
  color:var(--c-ink);margin:24px 0;
}
.detail__list{list-style:none;padding:0;margin:0 0 8px;}
.detail__list li{
  position:relative;padding-left:20px;font-size:16px;line-height:1.9;
}
.detail__list li::before{
  content:"";position:absolute;left:0;top:.78em;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);
}

/* ============ 节点时间线 ============ */
.nodes{max-width:880px;margin:0 auto;}
.node{display:flex;gap:24px;position:relative;padding-bottom:22px;}
.node:last-child{padding-bottom:0;}
.node__time{
  flex:0 0 96px;text-align:right;font-size:13.5px;color:var(--c-muted);line-height:1.7;
  padding-top:20px;font-variant-numeric:tabular-nums;
}
.node__axis{position:relative;flex:0 0 16px;display:flex;justify-content:center;}
.node__axis::before{
  content:"";position:absolute;top:0;bottom:0;width:1px;background:var(--c-line);
}
.node:first-child .node__axis::before{top:28px;}
.node:last-child .node__axis::before{bottom:calc(100% - 28px);}
.node__dot{
  position:relative;width:12px;height:12px;border-radius:50%;background:var(--c-primary);
  box-shadow:0 0 0 3px var(--c-primary-soft);margin-top:26px;z-index:1;
}
.node__card{
  flex:1 1 auto;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--sh-1);transition:all .18s ease;
}
.node__card:hover{transform:translateY(-3px);border-color:rgba(11,91,77,.35);box-shadow:var(--sh-2);}
.node__card h3{font-size:19px;line-height:1.5;margin-bottom:6px;}
.node__card p{font-size:15px;line-height:1.8;margin:0 0 10px;}
.node__card p:last-child{margin-bottom:0;}
@media screen and (max-width:639px){
  .node{flex-direction:column;gap:8px;padding-bottom:18px;}
  .node__time{flex:none;text-align:left;padding-top:0;font-weight:600;color:var(--c-primary);}
  .node__axis{display:none;}
  .node__dot{display:none;}
}

/* ============ 报名 CTA 与表单 ============ */
.cta-band{background:var(--c-primary-dark);color:#E4EEEA;padding:88px 0;}
.cta-band__grid{display:flex;gap:48px;align-items:flex-start;}
.cta-band__text{flex:0 0 41.6%;}
.cta-band__form{flex:1 1 auto;min-width:0;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.4;margin-bottom:16px;}
.cta-band p{color:#C6D8D3;font-size:16px;line-height:1.9;}
.cta-points{list-style:none;padding:0;margin:24px 0 0;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:#D8E5E1;line-height:1.8;margin-bottom:10px;}
.cta-points .tick{color:var(--c-accent);font-weight:700;}
.form-card{
  background:var(--c-surface);border-radius:var(--r-lg);padding:30px clamp(20px,3vw,34px);
  box-shadow:var(--sh-3);color:var(--c-body);
}
.form-card__title{font-size:20px;margin-bottom:6px;}
.form-card__note{font-size:14px;color:var(--c-muted);margin-bottom:22px;}
.form__grid{display:flex;flex-wrap:wrap;margin:0 -10px;}
.field{padding:0 10px 16px;flex:0 0 50%;max-width:50%;}
.field--full{flex:0 0 100%;max-width:100%;}
.field__label{display:block;font-size:14px;color:var(--c-ink);font-weight:600;margin-bottom:7px;}
.field__label .req{color:var(--c-accent-dark);margin-left:2px;}
.field__input{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-surface);color:var(--c-ink);font-size:15.5px;transition:all .18s ease;
}
textarea.field__input{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
select.field__input{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230B5B4D' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.field__input:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,91,77,.12);
}
.field.has-error .field__input{border-color:var(--c-danger);}
.field__error{display:none;font-size:13px;color:var(--c-danger);margin-top:6px;line-height:1.6;}
.field.has-error .field__error{display:block;}
.form__foot{display:flex;justify-content:flex-end;padding:4px 10px 0;}
.form__hint{font-size:13px;color:var(--c-muted);margin:14px 10px 0;line-height:1.7;}
.form-success{
  display:none;background:var(--c-primary-soft);border:1px solid rgba(11,91,77,.2);
  border-radius:var(--r-md);padding:26px 24px;text-align:left;
}
.form-success.is-visible{display:block;}
.form-success h3{font-size:19px;margin-bottom:8px;color:var(--c-primary-dark);}
.form-success p{font-size:15px;color:var(--c-body);margin-bottom:16px;}
@media screen and (max-width:1023px){
  .cta-band__grid{flex-direction:column;gap:32px;}
  .cta-band__text,.cta-band__form{flex:1 1 auto;width:100%;}
}
@media screen and (max-width:639px){
  .cta-band{padding:56px 0;}
  .field{flex:0 0 100%;max-width:100%;}
  .form__foot .btn{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-dark);color:#C6D8D3;padding:64px 0 0;font-size:15px;}
.site-footer .row{margin-bottom:0;}
.site-footer h3{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600;}
.footer__brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer__mark{
  width:38px;height:38px;border-radius:var(--r-md);background:rgba(255,255,255,.1);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.footer__name{font-size:18px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.footer__desc{font-size:14.5px;line-height:1.85;color:#AFC6C1;margin-bottom:14px;}
.footer__meta{font-size:13.5px;line-height:1.9;color:#94ADA7;font-variant-numeric:tabular-nums;}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{color:#C6D8D3;font-size:14.5px;text-decoration:none;}
.footer__links a:hover{color:var(--c-accent);text-decoration:none;}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:20px 0 26px;
  font-size:13px;color:#8FA8A2;
}
@media screen and (max-width:1023px){
  .site-footer{padding-top:48px;}
  .site-footer .column{margin-bottom:28px;}
}

/* ============ 通用小工具 ============ */
.mt-32{margin-top:32px;}
.mt-20{margin-top:20px;}
.text-center{text-align:center;}
.muted{color:var(--c-muted);}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}