/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --c-primary:#0E7C86;
  --c-primary-600:#0B646D;
  --c-primary-100:#E3F1F2;
  --c-accent:#F26B3A;
  --c-accent-600:#D95526;
  --c-deep:#0B2B2F;
  --c-deep-2:#123B40;
  --c-bg:#F6F9FA;
  --c-surface:#FFFFFF;
  --c-text:#12262A;
  --c-muted:#4A6570;
  --c-faint:#8AA0A8;
  --c-border:#E2EBED;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(11,43,47,.06), 0 12px 28px rgba(11,43,47,.08);
  --sh-2:0 6px 14px rgba(11,43,47,.10), 0 22px 48px rgba(11,43,47,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1224px;
}
/* ===== 基础重置 ===== */
*,*::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-text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
::selection{background:rgba(14,124,134,.18)}
.grid-container{max-width:var(--maxw);padding-left:24px;padding-right:24px}
.grid-x>.cell{min-width:0}

/* ===== 通用组件 ===== */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--surface{background:var(--c-surface)}
.section--deep{background:var(--c-deep);color:#CFE3E5}
.section--deep h2,.section--deep h3{color:#fff}

.eyebrow{
  display:inline-block;margin-bottom:12px;font-size:13px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--c-primary);
}
.section-head{max-width:780px;margin-bottom:44px}
.section-head h2{font-size:30px;margin-bottom:14px}
.section-head p{color:var(--c-muted);font-size:16px}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;flex-wrap:wrap;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,124,134,.30)}
.btn--primary{background:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,124,134,.28)}
.btn--primary:active{transform:translateY(0)}
.btn--accent{background:var(--c-accent);color:#fff}
.btn--accent:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(242,107,58,.30)}
.btn--accent:active{transform:translateY(0)}
.btn--ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn--outline{border-color:var(--c-border);background:#fff;color:var(--c-primary)}
.btn--outline:hover{border-color:var(--c-primary);background:var(--c-primary-100);color:var(--c-primary);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-100);color:var(--c-primary-600);font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge--accent{background:rgba(242,107,58,.12);color:var(--c-accent-600)}
.badge--soft{background:#EEF4F5;color:var(--c-muted)}
.badge--ghost{background:rgba(255,255,255,.14);color:#DCEAEC}

.chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
}
.chip--live{background:rgba(242,107,58,.16);color:#FFB291;border:1px solid rgba(242,107,58,.42)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(242,107,58,.22)}

.arrow-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.arrow-link i{font-style:normal;transition:transform .2s var(--ease)}
.arrow-link:hover{color:var(--c-accent)}
.arrow-link:hover i{transform:translateX(4px)}
.arrow-link:focus-visible{outline:2px solid rgba(14,124,134,.4);outline-offset:3px;border-radius:6px}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--c-deep);color:#A9C7CB;font-size:13px}
.topbar__inner{display:flex;align-items:center;gap:16px;min-height:38px}
.topbar__note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__note b{color:#fff;font-weight:700}
.topbar__mid{margin-left:auto;color:#7FA7AB;white-space:nowrap}
.topbar__actions{display:flex;align-items:center;gap:14px;margin-left:18px}
.topbar__link{color:#A9C7CB;transition:color .2s var(--ease)}
.topbar__link:hover{color:#fff}
.topbar__btn{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:12.5px;font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.topbar__btn:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px)}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-border);backdrop-filter:blur(10px);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(11,43,47,.08)}
.site-header__inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-.01em;color:var(--c-text)}
.brand:hover{color:var(--c-primary)}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,#0E7C86,#12A6AE);color:#fff;font-size:12.5px;font-weight:800;letter-spacing:.06em;
}
.mainnav{margin-left:auto}
.mainnav__list{display:flex;align-items:center;gap:4px}
.mainnav__link{
  position:relative;display:block;padding:10px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--c-muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.mainnav__link:hover{color:var(--c-primary);background:var(--c-primary-100)}
.mainnav__link:focus-visible{outline:2px solid rgba(14,124,134,.4);outline-offset:2px}
.mainnav__link.is-active{color:var(--c-primary);font-weight:700}
.mainnav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--c-primary);
}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:8px}
.search-box{
  display:flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--c-border);border-radius:var(--r-pill);
  background:#F4F8F9;color:var(--c-faint);font-size:13.5px;min-width:186px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.search-box:hover{border-color:var(--c-primary);background:#fff;color:var(--c-muted)}
.search-box svg{flex:0 0 auto;width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-border);background:#fff;
  padding:11px 10px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-text);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--c-deep);color:#fff}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.52}
.hero__veil{position:absolute;inset:0;background:linear-gradient(108deg,rgba(11,43,47,.95) 0%,rgba(11,43,47,.82) 46%,rgba(11,43,47,.52) 100%)}
.hero__inner{position:relative;z-index:2;padding-top:72px;padding-bottom:64px}
.hero__row{align-items:center}
.hero__copy{color:#fff}
.hero h1{
  margin:20px 0 16px;font-size:42px;line-height:1.22;font-weight:800;color:#fff;max-width:15em;
}
.hero__sub{max-width:34em;font-size:16.5px;line-height:1.85;color:#B7D3D6}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__metrics{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.metric strong{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.3}
.metric span{font-size:13px;color:#8FB2B6}
.hero__kv{position:relative}
.hero__kv img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 24px 60px rgba(0,0,0,.38)}
.hero__kv-tag{
  position:absolute;left:18px;bottom:18px;padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(11,43,47,.82);color:#EAF6F7;font-size:13px;font-weight:600;backdrop-filter:blur(6px);
}

/* ===== 进度轨道 ===== */
.hero__track{position:relative;margin-top:60px}
.track__rail{position:absolute;top:7px;left:8px;right:8px;height:2px;border-radius:2px;background:rgba(255,255,255,.16)}
.track__rail span{display:block;height:100%;width:64%;border-radius:2px;background:linear-gradient(90deg,#12A6AE,var(--c-accent))}
.track__step{position:relative;padding-top:32px;padding-right:16px}
.track__step::before{
  content:"";position:absolute;top:0;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--c-deep-2);border:2px solid rgba(255,255,255,.28);
}
.track__step.is-done::before{background:var(--c-primary);border-color:#46C3CB}
.track__step.is-doing::before{background:var(--c-accent);border-color:#FFA07B;box-shadow:0 0 0 6px rgba(242,107,58,.18)}
.track__step b{display:block;color:#fff;font-size:15px;font-weight:700;margin-bottom:4px}
.track__step em{display:block;font-style:normal;font-size:13px;color:#8FB2B6}

/* ===== 交错图文 ===== */
.zrow{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:40px 0}
.zrow + .zrow{border-top:1px solid var(--c-border)}
.zrow--flip .zrow__media{order:2}
.zrow__media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.zrow__body h3{font-size:26px;margin:16px 0 14px}
.zrow__body p{color:var(--c-muted);margin-bottom:18px}

/* ===== 奖励卡片 ===== */
.reward-card{
  height:100%;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,124,134,.35)}
.reward-card__media{position:relative}
.reward-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.reward-card__rank{
  position:absolute;right:12px;top:12px;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(11,43,47,.82);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.reward-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.reward-card__body h3{font-size:19px}
.reward-card__body p{color:var(--c-muted);font-size:14.5px;line-height:1.7}

/* ===== 任务时间轴 ===== */
.timeline{position:relative;padding-top:12px}
.timeline__rail{position:absolute;top:22px;left:8px;right:8px;height:2px;border-radius:2px;background:var(--c-border)}
.timeline__rail span{display:block;height:100%;width:56%;border-radius:2px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}
.tl-node{position:relative;padding-top:56px}
.tl-node::before{
  content:"";position:absolute;top:15px;left:0;width:16px;height:16px;border-radius:50%;
  background:#fff;border:2px solid var(--c-border);
}
.tl-node.is-done::before{background:var(--c-primary);border-color:var(--c-primary)}
.tl-node.is-doing::before{background:var(--c-accent);border-color:var(--c-accent);box-shadow:0 0 0 6px rgba(242,107,58,.16)}
.tl-node:nth-child(2){margin-top:34px}
.tl-node:nth-child(4){margin-top:34px}
.tl-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);padding:22px;
  box-shadow:var(--sh-1);height:100%;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,124,134,.35)}
.tl-card h3{font-size:18px;margin:12px 0 8px}
.tl-card p{color:var(--c-muted);font-size:14.5px}
.tl-card__time{display:block;margin-top:14px;font-size:13px;color:var(--c-faint)}

/* ===== 最新信息 ===== */
.post-lead{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  height:100%;
}
.post-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,124,134,.35)}
.post-lead__media{display:block;overflow:hidden}
.post-lead__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease)}
.post-lead:hover .post-lead__media img{transform:scale(1.04)}
.post-lead__body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px}
.post-lead__body h3{font-size:22px;line-height:1.4}
.post-lead__body h3 a:hover{color:var(--c-primary)}
.post-lead__body p{color:var(--c-muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.post-mini{
  display:flex;gap:16px;padding:16px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);
  box-shadow:0 2px 6px rgba(11,43,47,.05);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-mini + .post-mini{margin-top:16px}
.post-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:rgba(14,124,134,.35)}
.post-mini__media{flex:0 0 120px}
.post-mini__media img{width:120px;height:90px;object-fit:cover;border-radius:var(--r-sm)}
.post-mini__body{min-width:0;flex:1}
.post-mini__body h4{font-size:17px;line-height:1.45;margin-bottom:6px}
.post-mini__body h4 a:hover{color:var(--c-primary)}
.post-mini__body p{color:var(--c-muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:13px;color:var(--c-faint);flex-wrap:wrap}
.post-meta a{font-weight:600;color:var(--c-primary)}
.post-meta a:hover{color:var(--c-accent)}

.empty-state{
  background:#fff;border:1px dashed var(--c-border);border-radius:var(--r-lg);padding:56px 24px;text-align:center;
}
.empty-state__mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;border:2px dashed var(--c-primary);
  opacity:.5;position:relative;
}
.empty-state__mark::after{content:"";position:absolute;inset:14px;border-radius:50%;background:var(--c-primary-100)}
.empty-state h3{font-size:19px;margin-bottom:8px}
.empty-state p{color:var(--c-muted);margin-bottom:20px}

/* ===== 数据与口碑 ===== */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);padding:26px 24px;
  box-shadow:var(--sh-1);
}
.stat-card strong{display:block;font-size:32px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em}
.stat-card span{display:block;margin-top:6px;font-size:14px;color:var(--c-muted)}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.voice{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:16px;
}
.voice p{color:var(--c-muted);font-size:14.5px;line-height:1.8}
.voice__who{display:flex;align-items:center;gap:12px;margin-top:auto}
.voice__avatar{
  width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#0E7C86,#12A6AE);
  color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.voice__who b{display:block;font-size:14.5px}
.voice__who em{font-style:normal;font-size:12.5px;color:var(--c-faint)}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq__item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--sh-1);
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq__item[open]{border-color:rgba(14,124,134,.4);box-shadow:var(--sh-2)}
.faq__item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:16px;font-weight:700;color:var(--c-text);transition:color .2s var(--ease);
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{color:var(--c-primary)}
.faq__item summary:focus-visible{outline:2px solid rgba(14,124,134,.4);outline-offset:-4px}
.faq__item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease);
}
.faq__item[open] summary{color:var(--c-primary)}
.faq__item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq__body{padding:0 24px 22px;color:var(--c-muted);font-size:15px;line-height:1.85}

/* ===== CTA 收尾 ===== */
.cta-band{position:relative;overflow:hidden;background:var(--c-deep);color:#fff}
.cta-band__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34}
.cta-band__veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,43,47,.94),rgba(14,124,134,.72))}
.cta-band__inner{position:relative;z-index:2;padding:84px 24px;text-align:center}
.cta-band h2{font-size:32px;color:#fff;margin-bottom:16px}
.cta-band p{max-width:640px;margin:0 auto;color:#C6DFE1;font-size:16px}
.cta-band__actions{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;margin-top:32px}
.cta-band__hint{margin-top:22px;font-size:13.5px;color:#8FB2B6}

/* ===== 页脚 ===== */
.site-footer{background:#082124;color:#9DBCC0;font-size:14.5px}
.site-footer__main{padding:64px 0 44px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand__mark{width:34px;height:34px;font-size:12px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;letter-spacing:.02em}
.site-footer p{line-height:1.85;color:#8FB0B4}
.footer-links li + li{margin-top:10px}
.footer-links a{color:#9DBCC0;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:var(--c-accent);padding-left:4px}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;color:#8FB0B4}
.footer-contact b{color:#DCEAEC;font-weight:600}
.site-footer__bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#7FA0A4;
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .section{padding:64px 0}
  .hero h1{font-size:34px}
  .hero__inner{padding-top:56px;padding-bottom:52px}
  .mainnav{
    position:fixed;top:0;left:0;right:0;bottom:0;z-index:70;margin:0;
    background:#fff;padding:96px 24px 32px;overflow-y:auto;
    transform:translateX(-102%);transition:transform .3s var(--ease);
  }
  .mainnav.is-open{transform:translateX(0)}
  .mainnav__list{flex-direction:column;align-items:stretch;gap:0}
  .mainnav__link{padding:16px 4px;font-size:16.5px;border-bottom:1px solid var(--c-border);border-radius:0}
  .mainnav__link:hover{background:transparent}
  .mainnav__link.is-active::after{display:none}
  .mainnav__link.is-active{color:var(--c-primary)}
  .nav-toggle{display:flex}
  .header-tools{margin-left:auto}
  .search-box{display:none}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:760px){
  .topbar__mid{display:none}
  .topbar__actions .topbar__link{display:none}
  .site-header__inner{min-height:64px;gap:12px}
  .brand{font-size:19px}
  .brand__mark{width:32px;height:32px;border-radius:10px;font-size:11.5px}
  .header-cta{display:none}
  .hero h1{font-size:27px;line-height:1.3;margin:16px 0 14px}
  .hero__sub{font-size:15.5px}
  .hero__metrics{gap:24px;margin-top:28px}
  .metric strong{font-size:22px}
  .hero__cta .btn{width:100%}
  .zrow{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .zrow--flip .zrow__media{order:0}
  .zrow__body h3{font-size:22px}
  .section-head h2{font-size:24px}
  .section-head{margin-bottom:32px}
  .hero__track{margin-top:40px}
  .track__step{padding-top:26px;margin-bottom:20px}
  .track__rail{display:none}
  .track__step::before{position:static;display:block;margin-bottom:10px}
  .timeline__rail{display:none}
  .tl-node{padding-top:0;margin-top:0 !important;margin-bottom:20px}
  .tl-node::before{position:static;display:block;margin-bottom:12px}
  .cta-band__inner{padding:64px 24px}
  .cta-band h2{font-size:24px}
  .cta-band__actions .btn{width:100%}
  .post-mini__media{flex:0 0 96px}
  .post-mini__media img{width:96px;height:80px}
  .site-footer__main{padding:48px 0 32px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer__bottom{justify-content:flex-start}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px}
  .stat-band{grid-template-columns:1fr}
  .post-mini{flex-direction:column}
  .post-mini__media{flex:none}
  .post-mini__media img{width:100%;height:150px}
  .hero__kv img{aspect-ratio:16/11}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand:#0E7C86;
  --brand-600:#0B6670;
  --brand-700:#0A4C54;
  --brand-050:#E6F3F4;
  --accent:#F26B3A;
  --accent-600:#D9531F;
  --bg:#F6F9FA;
  --surface:#FFFFFF;
  --deep:#0B2B2F;
  --ink:#12262A;
  --ink-2:#4A6570;
  --ink-3:#8AA0A8;
  --line:#E2EBED;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 6px rgba(11,43,47,.06);
  --shadow-md:0 2px 6px rgba(11,43,47,.06), 0 12px 28px rgba(11,43,47,.08);
  --shadow-lg:0 4px 10px rgba(11,43,47,.08), 0 20px 44px rgba(11,43,47,.12);
  --ease:cubic-bezier(.32,.72,.28,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28;color:var(--ink);}
p{margin:0;}
input,textarea{font:inherit;}
::selection{background:var(--brand);color:#fff;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid rgba(14,124,134,.45);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media screen and (max-width:640px){.grid-container{padding:0 16px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--deep);color:#C9DEE1;font-size:13px;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar__left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar__dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none;box-shadow:0 0 0 3px rgba(242,107,58,.22);}
.topbar__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__right{display:flex;align-items:center;gap:14px;flex:none;}
.topbar__link{color:#C9DEE1;border-bottom:1px dashed rgba(201,222,225,.45);}
.topbar__link:hover{color:#fff;border-bottom-color:#fff;}
.topbar__mini{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;transition:background .2s var(--ease),transform .2s var(--ease);
}
.topbar__mini:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
@media screen and (max-width:900px){
  .topbar__right .topbar__link{display:none;}
}
@media screen and (max-width:640px){
  .topbar__text{font-size:12px;}
  .topbar__mini{display:none;}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(11,43,47,.08);}
.site-header__inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-700) 100%);
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(14,124,134,.28);
}
.brand__text{font-size:21px;font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.mainnav{flex:1 1 auto;min-width:0;}
.mainnav__list{display:flex;align-items:center;gap:6px;}
.mainnav__link{
  position:relative;display:inline-block;
  padding:24px 14px;font-size:15px;font-weight:500;color:var(--ink-2);
}
.mainnav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.mainnav__link:hover{color:var(--brand);}
.mainnav__link:hover::after{transform:scaleX(1);}
.mainnav__link.is-active{color:var(--ink);font-weight:700;}
.mainnav__link.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;flex:none;}
.search-box{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border:1px solid var(--line);border-radius:999px;
  color:var(--ink-3);font-size:13px;background:#fff;min-width:180px;
}
.search-box svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;flex:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;line-height:1;white-space:nowrap;
  padding:14px 26px;font-size:15px;border:1.5px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,107,58,.26);}
.btn--primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,107,58,.32);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{border-color:rgba(14,124,134,.35);color:var(--brand-600);background:transparent;}
.btn--ghost:hover{background:var(--brand-050);border-color:var(--brand);color:var(--brand-700);transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--brand-700);border-color:rgba(255,255,255,.5);}
.btn--light:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-2px);}
.btn--outline-light{border-color:rgba(255,255,255,.55);color:#fff;}
.btn--outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn--block{width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

@media screen and (max-width:1024px){
  .search-box{display:none;}
  .mainnav{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    max-height:0;overflow:hidden;transition:max-height .3s var(--ease);
  }
  .mainnav.is-open{max-height:520px;}
  .mainnav__list{flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;}
  .mainnav__link{
    display:block;padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line);
  }
  .mainnav__link::after{display:none;}
  .mainnav__link.is-active{color:var(--brand);}
  .nav-toggle{display:flex;}
  .site-header__inner{min-height:64px;gap:12px;}
}
@media screen and (max-width:640px){
  .brand__text{font-size:18px;}
  .header-cta{display:none;}
}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(11,43,47,.94) 0%,rgba(11,43,47,.78) 48%,rgba(14,124,134,.62) 100%);
}
.article-hero__inner{position:relative;padding:34px 0 56px;}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.78);}
.crumbs a{color:rgba(255,255,255,.78);}
.crumbs a:hover{color:#fff;}
.crumbs__sep{opacity:.5;}
.crumbs__now{color:#fff;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero__cat{
  display:inline-flex;align-items:center;gap:7px;margin-top:22px;
  background:rgba(242,107,58,.16);border:1px solid rgba(242,107,58,.5);color:#FFD3C1;
  font-size:13px;font-weight:600;padding:5px 14px;border-radius:999px;
}
.article-hero h1{
  margin-top:16px;color:#fff;font-size:38px;line-height:1.28;max-width:22em;
  letter-spacing:-.015em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:20px;
  font-size:13.5px;color:rgba(255,255,255,.8);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--accent);font-size:13px;}
@media screen and (max-width:768px){
  .article-hero__inner{padding:26px 0 40px;}
  .article-hero h1{font-size:28px;}
}

/* ---------- 主体布局 ---------- */
.page-main{padding:56px 0 72px;}
.article-layout{align-items:flex-start;}
.article-main{min-width:0;}
.article-side{min-width:0;}
@media screen and (max-width:1024px){
  .article-side{margin-top:34px;}
}

/* ---------- 正文卡片 ---------- */
.reader-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:36px 40px;
}
.article-body{max-width:780px;font-size:16.5px;line-height:1.9;color:#1B3439;}
.article-body > * + *{margin-top:20px;}
.article-body p{color:#22454B;}
.article-body h2{
  position:relative;font-size:26px;margin-top:44px;padding-left:16px;line-height:1.35;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:5px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--accent) 100%);
}
.article-body h3{font-size:20px;margin-top:32px;font-weight:600;}
.article-body ul,.article-body ol{padding-left:0;margin-top:14px;}
.article-body li{
  position:relative;padding-left:22px;margin-top:10px;color:#22454B;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:2px;
  background:var(--brand);transform:rotate(45deg);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:0;
  font-size:13px;font-weight:700;color:var(--brand);
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-left:4px solid var(--accent);
  background:var(--brand-050);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#1B3439;
}
.article-body blockquote p{color:#1B3439;font-size:16px;}
.article-body img{border-radius:12px;margin:26px auto;box-shadow:var(--shadow-sm);}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(14,124,134,.35);}
.article-body a:hover{color:var(--accent-600);border-bottom-color:var(--accent-600);}
.article-body table{width:100%;border-collapse:collapse;margin-top:22px;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--brand-050);color:var(--brand-700);font-weight:600;}
.article-body code{
  background:#F1F5F6;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px;
}
.empty-state{
  text-align:center;padding:46px 24px;border:1px dashed var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,#FBFDFD 0%,#F4F9FA 100%);
}
.empty-state__icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand);
}
.empty-state h2{font-size:22px;}
.empty-state p{color:var(--ink-2);margin-top:10px;}
.empty-state .btn{margin-top:22px;}

@media screen and (max-width:768px){
  .reader-card{padding:24px 20px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:18px;}
}

/* ---------- 标签 / 翻页 ---------- */
.tagbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);}
.tagbar__label{font-size:13.5px;color:var(--ink-3);font-weight:600;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-050);color:var(--brand-700);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.tag--accent{background:rgba(242,107,58,.12);color:var(--accent-600);}
.tag--accent:hover{background:var(--accent);color:#fff;}

.postnav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px;}
.postnav__item{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.postnav__item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,124,134,.35);color:inherit;}
.postnav__k{font-size:12.5px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;}
.postnav__t{display:block;margin-top:6px;font-size:16px;font-weight:700;color:var(--ink);}
.postnav__item:hover .postnav__t{color:var(--brand);}
.postnav__item--next{text-align:right;}
@media screen and (max-width:640px){.postnav{grid-template-columns:1fr;}.postnav__item--next{text-align:left;}}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:22px 22px 24px;
}
.side-card + .side-card{margin-top:22px;}
.side-card__title{
  display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;margin-bottom:14px;
}
.side-card__title::before{
  content:"";width:4px;height:16px;border-radius:3px;background:var(--brand);flex:none;
}
.side-nav li + li{border-top:1px solid var(--line);}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 2px;font-size:15px;color:var(--ink-2);
}
.side-nav a:hover{color:var(--brand);}
.side-nav a i{font-size:12px;color:var(--ink-3);transition:transform .2s var(--ease);}
.side-nav a:hover i{color:var(--accent);transform:translateX(3px);}
.side-card--deep{background:linear-gradient(160deg,var(--deep) 0%,#0E4A52 100%);border-color:transparent;color:#D5E7E9;}
.side-card--deep .side-card__title{color:#fff;}
.side-card--deep .side-card__title::before{background:var(--accent);}
.side-card--deep p{font-size:14.5px;color:rgba(213,231,233,.86);}
.side-card--deep .btn{margin-top:16px;}
.side-steps li{display:flex;gap:12px;padding:10px 0;font-size:14.5px;color:var(--ink-2);}
.side-steps li + li{border-top:1px dashed var(--line);}
.side-steps b{
  flex:none;width:24px;height:24px;border-radius:8px;background:var(--brand-050);color:var(--brand-700);
  font-size:12.5px;display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.side-note{
  background:var(--brand-050);border:1px solid rgba(14,124,134,.18);border-radius:var(--radius-sm);
  padding:14px 16px;font-size:13.5px;color:var(--brand-700);margin-top:16px;line-height:1.7;
}

/* ---------- 相关推荐 ---------- */
.section{padding:0 0 72px;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section__title{font-size:28px;}
.section__title span{display:block;font-size:14px;font-weight:500;color:var(--ink-3);margin-top:8px;letter-spacing:0;}
.section__more{font-size:14.5px;font-weight:600;color:var(--brand-600);white-space:nowrap;}
.section__more:hover{color:var(--accent-600);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rec-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(14,124,134,.35);color:inherit;}
.rec-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9F1F2;}
.rec-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.rec-card:hover .rec-card__media img{transform:scale(1.05);}
.rec-card__badge{
  position:absolute;left:14px;top:14px;background:rgba(11,43,47,.78);color:#fff;
  font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px;backdrop-filter:blur(4px);
}
.rec-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-card__title{font-size:18px;font-weight:700;line-height:1.45;}
.rec-card__desc{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.rec-card__foot i{color:var(--brand);transition:transform .2s var(--ease);}
.rec-card:hover .rec-card__foot i{transform:translateX(4px);color:var(--accent);}
@media screen and (max-width:1024px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media screen and (max-width:640px){.card-grid{grid-template-columns:1fr;}.section__title{font-size:23px;}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item + .faq-item{margin-top:14px;}
.faq-item[open]{border-color:rgba(14,124,134,.35);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{color:var(--brand-600);}
.faq-item summary i{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--brand-050);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.faq-item[open] summary i{transform:rotate(180deg);background:var(--accent);color:#fff;}
.faq-item__body{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 84px;}
.cta-box{
  position:relative;overflow:hidden;border-radius:20px;color:#fff;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.cta-box::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,43,47,.95) 0%,rgba(14,124,134,.86) 100%);
}
.cta-box__inner{position:relative;padding:56px 52px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-box h2{color:#fff;font-size:30px;max-width:20em;}
.cta-box p{margin-top:12px;color:rgba(255,255,255,.85);font-size:15.5px;max-width:44em;}
.cta-box__actions{display:flex;flex-wrap:wrap;gap:14px;}
@media screen and (max-width:768px){
  .cta-box__inner{padding:36px 22px;}
  .cta-box h2{font-size:23px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#B9D2D5;margin-top:auto;}
.site-footer__main{padding:60px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:#9CBCBF;max-width:36em;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-links li + li,.footer-contact li + li{margin-top:11px;}
.footer-links a{font-size:14px;color:#9CBCBF;}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{display:flex;flex-direction:column;gap:3px;font-size:14px;}
.footer-contact span{color:#7FA3A7;font-size:12.5px;}
.footer-contact b{color:#DCEBED;font-weight:600;}
.site-footer__bottom{
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:#7FA3A7;
}
@media screen and (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media screen and (max-width:640px){.footer-grid{grid-template-columns:1fr;}.site-footer__main{padding:44px 0 30px;}}

/* roulang page: category1 */
:root{
  --c-primary:#0E7C86;
  --c-primary-dark:#0A5F67;
  --c-primary-soft:rgba(14,124,134,.10);
  --c-accent:#F26B3A;
  --c-accent-dark:#D9531F;
  --bg:#F6F9FA;
  --surface:#FFFFFF;
  --ink:#12262A;
  --ink-2:#4A6570;
  --ink-3:#8AA0A8;
  --line:#E2EBED;
  --dark:#0B2B2F;
  --radius:14px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow-sm:0 2px 6px rgba(11,43,47,.06);
  --shadow-md:0 2px 6px rgba(11,43,47,.06),0 12px 28px rgba(11,43,47,.08);
  --shadow-lg:0 6px 16px rgba(11,43,47,.10),0 24px 48px rgba(11,43,47,.12);
  --font:"system-ui","-apple-system","PingFang SC","Microsoft YaHei",sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--c-primary)}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid rgba(14,124,134,.4);outline-offset:2px;border-radius:4px}

.grid-container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.grid-padding-x{margin-left:-16px;margin-right:-16px}
.grid-padding-x>.cell{padding-left:16px;padding-right:16px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--dark);color:#BFD9DD;font-size:13px;min-height:38px;display:flex;align-items:center}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:38px}
.topbar__note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em}
.topbar__right{display:flex;align-items:center;gap:16px;flex:none}
.topbar__link{color:#BFD9DD}
.topbar__link:hover{color:#fff}
.topbar .btn--accent{box-shadow:none}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .24s ease}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(11,43,47,.08)}
.site-header__inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--c-primary),#159AA3);
  color:#fff;display:grid;place-items:center;
  font-size:15px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 6px 14px rgba(14,124,134,.28);
}
.brand__text{font-size:21px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.mainnav{margin-left:auto}
.mainnav__list{display:flex;align-items:center;gap:2px}
.mainnav__link{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:8px;white-space:nowrap;
}
.mainnav__link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.mainnav__link.is-active{color:var(--c-primary)}
.mainnav__link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;
  border-radius:3px;background:var(--c-primary);
}
.header-tools{display:flex;align-items:center;gap:12px;flex:none}
.search-box{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border:1px solid var(--line);border-radius:999px;
  color:var(--ink-3);font-size:13.5px;background:#F8FCFC;white-space:nowrap;
}
.search-box svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff}
.nav-toggle span{display:block;width:18px;height:2px;margin:4px auto;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:10px;font-size:15px;font-weight:700;line-height:1.2;
  padding:12px 24px;border:1.5px solid transparent;white-space:nowrap;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 18px rgba(14,124,134,.24)}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(14,124,134,.3)}
.btn--primary:active{transform:translateY(0)}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 18px rgba(242,107,58,.26)}
.btn--accent:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px)}
.btn--accent:active{transform:translateY(0)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:rgba(14,124,134,.42);color:var(--c-primary);background:#F2FAFA}
.btn--onDark{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.42);color:#fff}
.btn--onDark:hover{background:#fff;color:var(--dark);border-color:#fff}
.btn--sm{padding:9px 16px;font-size:14px;border-radius:9px}
.btn--xs{padding:6px 13px;font-size:12.5px;border-radius:999px}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 18px;font-size:13.5px;color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#C6D7DA}

/* ============ 分类 Banner ============ */
.page-banner{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#FFFFFF 0%,#F1F9FA 100%);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 44px 40px;box-shadow:var(--shadow-sm);
}
.page-banner::before{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,124,134,.14),rgba(14,124,134,0) 70%);
}
.page-banner::after{
  content:"";position:absolute;left:44px;bottom:-40px;width:160px;height:160px;border-radius:50%;
  border:1px dashed rgba(242,107,58,.28);
}
.page-banner__inner{position:relative;z-index:2;max-width:760px}
.page-banner .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:16px;letter-spacing:.02em;
}
.page-banner h1{font-size:40px;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.page-banner h1 em{font-style:normal;color:var(--c-primary)}
.page-banner__desc{font-size:16.5px;color:var(--ink-2);max-width:640px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:#fff;border:1px solid rgba(14,124,134,.22);border-radius:999px;padding:6px 14px;
}
.tag--accent{color:var(--c-accent-dark);border-color:rgba(242,107,58,.28)}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
.section--tight{padding:36px 0 56px}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.section__title{font-size:28px;font-weight:800;letter-spacing:-.02em;position:relative;padding-left:16px}
.section__title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
}
.section__desc{color:var(--ink-2);font-size:15px;margin-top:10px;padding-left:16px;max-width:680px}
.section__link{font-size:14.5px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.section__link::after{content:"→";transition:transform .2s ease}
.section__link:hover::after{transform:translateX(4px)}

/* ============ 首屏 左图右要点 ============ */
.hero-split{padding-top:34px}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
}
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 30px 26px;box-shadow:var(--shadow-sm);height:100%}
.hero-panel h2{font-size:23px;font-weight:800;margin-bottom:8px}
.hero-panel__sub{font-size:14.5px;color:var(--ink-2);margin-bottom:20px}
.point-list{display:grid;gap:12px}
.point{
  display:flex;gap:14px;padding:15px 16px;border-radius:12px;
  background:#FAFDFD;border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.point:hover{transform:translateY(-2px);border-color:rgba(14,124,134,.35);box-shadow:var(--shadow-sm);background:#fff}
.point__idx{
  flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#fff;background:var(--c-primary);
}
.point:nth-child(2n) .point__idx{background:var(--c-accent)}
.point__title{font-size:15.5px;font-weight:700;margin-bottom:2px}
.point__text{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ============ 机制要点卡 ============ */
.mechanism-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.m-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,124,134,.3)}
.m-card__no{font-size:13px;font-weight:800;color:var(--c-accent);letter-spacing:.08em;margin-bottom:12px}
.m-card__title{font-size:18px;font-weight:700;margin-bottom:9px}
.m-card__text{font-size:14.2px;color:var(--ink-2);line-height:1.75;flex:1}
.m-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{font-size:12.5px;font-weight:600;color:var(--ink-2);background:#F1F7F8;border-radius:999px;padding:4px 11px}

/* ============ 四步流程 ============ */
.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(14,124,134,.32);box-shadow:var(--shadow-md)}
.step::after{
  content:"";position:absolute;top:44px;right:-20px;width:20px;height:2px;
  background:linear-gradient(90deg,rgba(14,124,134,.4),rgba(14,124,134,.05));
}
.step:last-child::after{display:none}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:26px;padding:0 10px;border-radius:999px;
  font-size:12.5px;font-weight:800;letter-spacing:.06em;
  color:var(--c-primary);background:var(--c-primary-soft);margin-bottom:14px;
}
.step__title{font-size:18px;font-weight:700;margin-bottom:8px}
.step__text{font-size:14.2px;color:var(--ink-2);line-height:1.75}

/* ============ 适用场景 ============ */
.scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.s-card{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.s-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,124,134,.3)}
.s-card__img{flex:none;width:150px}
.s-card__img img{width:150px;height:150px;object-fit:cover;border-radius:12px}
.s-card__body{display:flex;flex-direction:column}
.s-card__badge{align-self:flex-start;font-size:12px;font-weight:700;color:var(--c-accent-dark);background:#FEF0EA;border-radius:999px;padding:4px 11px;margin-bottom:10px}
.s-card__title{font-size:18px;font-weight:700;margin-bottom:8px}
.s-card__text{font-size:14.2px;color:var(--ink-2);line-height:1.75}

/* ============ 数据条 ============ */
.stats-band{
  background:var(--dark);border-radius:var(--radius-lg);padding:40px 36px;
  position:relative;overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,107,58,.24),rgba(242,107,58,0) 70%);
}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{color:#DCEAEC}
.stat__num{font-size:34px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.1}
.stat__num span{font-size:16px;font-weight:600;color:#7FC4CA;margin-left:4px}
.stat__label{font-size:14px;margin-top:8px;color:#A8C6CA;line-height:1.6}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:rgba(14,124,134,.35);box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-arrow{
  flex:none;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line);
  position:relative;transition:transform .24s ease,border-color .24s ease,background-color .24s ease;
}
.faq-arrow::before,.faq-arrow::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-arrow::before{width:10px;height:2px}
.faq-arrow::after{width:2px;height:10px;transition:opacity .24s ease}
.faq-item[open] .faq-arrow{transform:rotate(180deg);background:var(--c-primary-soft);border-color:rgba(14,124,134,.4)}
.faq-item[open] .faq-arrow::after{opacity:0}
.faq-item__a{padding:0 24px 22px;background:#FAFDFD}
.faq-item__a p{font-size:14.8px;color:var(--ink-2);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(135deg,#0B2B2F 0%,#0E5A61 55%,#0E7C86 100%);
  border-radius:24px;padding:52px 48px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
}
.cta-band__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:14px;letter-spacing:-.02em}
.cta-band p{color:#C6E0E3;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-form{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:26px 24px;backdrop-filter:blur(2px);
}
.cta-form h3{font-size:17px;color:#fff;margin-bottom:6px}
.cta-form p{font-size:13.6px;color:#B7D6DA;margin-bottom:16px}
.cta-form label{display:block;font-size:13px;font-weight:600;color:#CFE6E9;margin-bottom:8px}
.cta-form input{
  width:100%;height:46px;border-radius:10px;border:1.5px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.94);color:var(--ink);padding:0 14px;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:#8AA0A8}
.cta-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(242,107,58,.25)}
.cta-form button{width:100%;margin-top:14px}
.cta-note{font-size:12.6px;color:#9FC2C7;margin-top:12px;line-height:1.6}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#A8C6CA;margin-top:64px}
.site-footer__main{padding:56px 24px 40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;margin-bottom:16px}
.footer-brand .brand__mark{width:34px;height:34px;font-size:13px;border-radius:10px}
.site-footer p{font-size:14px;line-height:1.85;color:#9BB9BE;max-width:420px}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:#A8C6CA}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact{display:grid;gap:12px}
.footer-contact li{display:flex;justify-content:space-between;gap:14px;font-size:13.8px;border-bottom:1px dashed rgba(255,255,255,.12);padding-bottom:9px}
.footer-contact span{color:#8FADB2}
.footer-contact b{color:#E3F1F2;font-weight:600}
.site-footer__bottom{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:20px 24px 28px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#84A3A8;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .page-banner h1{font-size:32px}
  .mechanism-grid{grid-template-columns:repeat(2,1fr)}
  .step-row{grid-template-columns:repeat(2,1fr);gap:18px}
  .step::after{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-band__grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .search-box{display:none}
}
@media screen and (max-width:900px){
  .mainnav{
    position:absolute;left:0;right:0;top:100%;margin:0;display:none;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 18px 30px rgba(11,43,47,.12);padding:10px 16px 18px;
  }
  .mainnav.is-open{display:block}
  .mainnav__list{flex-direction:column;align-items:stretch;gap:0}
  .mainnav__list li{border-bottom:1px solid var(--line)}
  .mainnav__list li:last-child{border-bottom:0}
  .mainnav__link{display:flex;align-items:center;min-height:50px;padding:12px 6px;font-size:15.5px;border-radius:0}
  .mainnav__link.is-active::after{left:6px;right:auto;width:22px;bottom:8px}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .site-header__inner{gap:12px;height:64px}
  .brand__text{font-size:19px}
}
@media screen and (max-width:768px){
  .grid-container{padding-left:16px;padding-right:16px}
  .topbar__note{font-size:12.4px}
  .page-banner{padding:30px 24px}
  .page-banner h1{font-size:27px}
  .page-banner__desc{font-size:15px}
  .section{padding:42px 0}
  .section__title{font-size:23px}
  .section__desc{font-size:14.2px}
  .scenario-grid{grid-template-columns:1fr}
  .s-card{flex-direction:column}
  .s-card__img,.s-card__img img{width:100%;height:190px}
  .stats-band{padding:30px 24px}
  .stat__num{font-size:28px}
  .cta-band{padding:34px 24px;border-radius:18px}
  .cta-band h2{font-size:24px}
  .faq-item summary{padding:17px 18px;font-size:15px}
  .faq-item__a{padding:0 18px 18px}
  .site-footer__main{padding:42px 16px 30px}
}
@media screen and (max-width:520px){
  body{font-size:15.5px}
  .topbar__link{display:none}
  .mechanism-grid{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr;gap:22px}
  .stat{border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:14px}
  .stat:last-child{border-bottom:0;padding-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer__bottom{flex-direction:column;gap:8px}
  .cta-actions .btn{width:100%}
  .hero-panel{padding:22px 20px}
  .brand__text{font-size:18px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E7C86;
  --c-primary-dark:#0A5F67;
  --c-primary-soft:#E7F3F4;
  --c-accent:#F26B3A;
  --c-accent-dark:#D9531F;
  --c-dark:#0B2B2F;
  --bg:#F6F9FA;
  --surface:#FFFFFF;
  --text:#12262A;
  --muted:#4A6570;
  --weak:#8AA0A8;
  --line:#E2EBED;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 6px rgba(11,43,47,.06);
  --shadow-md:0 2px 6px rgba(11,43,47,.06), 0 12px 28px rgba(11,43,47,.08);
  --shadow-lg:0 6px 14px rgba(11,43,47,.08), 0 22px 46px rgba(11,43,47,.12);
  --font:"system-ui","-apple-system","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.32;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
:focus-visible{outline:2px solid rgba(14,124,134,.55);outline-offset:2px;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(11,43,47,.08);}
.site-header__inner{display:flex;align-items:center;gap:28px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary) 0%,#12A0A9 100%);color:#fff;font-weight:800;font-size:15px;
  letter-spacing:.02em;box-shadow:0 4px 12px rgba(14,124,134,.3);
}
.brand__text{font-size:21px;font-weight:700;color:var(--text);letter-spacing:-.02em;}
.brand:hover .brand__text{color:var(--c-primary);}
.mainnav{flex:1 1 auto;}
.mainnav__list{display:flex;align-items:center;gap:6px;}
.mainnav__link{
  display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:var(--muted);
  border-radius:var(--radius-sm);position:relative;transition:color .2s ease,background-color .2s ease;
}
.mainnav__link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.mainnav__link.is-active{color:var(--c-primary);font-weight:700;}
.mainnav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--c-primary);
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--line);
  border-radius:22px;color:var(--weak);font-size:14px;background:#F9FCFC;white-space:nowrap;
}
.search-box svg{width:16px;height:16px;fill:none;stroke:var(--weak);stroke-width:2;stroke-linecap:round;}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);
  padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;
  border-radius:var(--radius-sm);font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,124,134,.3);}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(14,124,134,.26);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,124,134,.32);}
.btn--primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(14,124,134,.28);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(242,107,58,.28);}
.btn--accent:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);}
.btn--accent:active{transform:translateY(0);}
.btn--outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn--outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-2px);}
.btn--ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.65);color:#fff;}
.btn--ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.01em;background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.tag--accent{background:#FDEDE6;color:var(--c-accent-dark);}
.tag--dark{background:rgba(255,255,255,.16);color:#EAF6F7;border:1px solid rgba(255,255,255,.28);}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* ============ 首屏 Banner ============ */
.page-banner{position:relative;overflow:hidden;background:var(--c-dark);color:#fff;}
.page-banner__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45;}
.page-banner__veil{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(11,43,47,.94) 0%,rgba(11,43,47,.72) 52%,rgba(14,124,134,.52) 100%);
}
.page-banner__inner{position:relative;z-index:2;padding-top:66px;padding-bottom:58px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:#fff;}
.crumbs span{color:rgba(255,255,255,.4);}
.crumbs em{font-style:normal;color:#fff;}
.page-banner h1{
  color:#fff;font-size:42px;font-weight:800;letter-spacing:-.02em;margin:16px 0 0;max-width:19em;
}
.page-banner__lead{
  margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:46em;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stat-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px;}
.stat-strip li{
  flex:1 1 150px;min-width:140px;padding:16px 18px;border-radius:var(--radius);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(2px);
}
.stat-strip b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2;}
.stat-strip span{display:block;font-size:13px;color:rgba(255,255,255,.76);margin-top:4px;}

/* ============ 板块通用 ============ */
.section{padding:78px 0;}
.section--tight{padding:62px 0;}
.section--alt{background:#fff;}
.section--dark{background:var(--c-dark);color:#E8F1F2;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:30px;font-weight:700;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--c-accent);margin-bottom:10px;
}
.section-head--center .eyebrow{display:block;}

/* ============ 双列权益卡片 ============ */
.ecard{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.ecard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(14,124,134,.32);}
.ecard__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E8F1F2;}
.ecard__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.ecard:hover .ecard__media img{transform:scale(1.04);}
.ecard__badge{position:absolute;left:14px;top:14px;}
.ecard__corner{
  position:absolute;right:14px;bottom:14px;padding:5px 12px;border-radius:999px;
  background:rgba(11,43,47,.82);color:#fff;font-size:12.5px;font-weight:600;
}
.ecard__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.ecard__body h3{font-size:20px;font-weight:700;}
.ecard__body p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8;}
.ecard__meta{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--weak);
}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--c-primary);}
.arrow-link::after{content:"→";transition:transform .2s ease;}
.arrow-link:hover::after{transform:translateX(4px);}

/* ============ 领取流程 横向滚动 ============ */
.flow-scroller{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.flow-scroller::-webkit-scrollbar{height:8px;}
.flow-scroller::-webkit-scrollbar-thumb{background:rgba(14,124,134,.28);border-radius:8px;}
.flow-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,124,134,.3);}
.flow-card__num{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:800;font-size:16px;letter-spacing:.02em;
}
.flow-card h3{margin-top:18px;font-size:19px;}
.flow-card p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8;}
.flow-card__hint{margin-top:16px;font-size:13px;color:var(--weak);}
.flow-tip{
  margin-top:10px;padding:16px 20px;border-radius:var(--radius);background:#FFF4EF;border:1px solid #FBD9CB;
  color:#8C3A18;font-size:14.5px;
}

/* ============ 档位对比 ============ */
.tier{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.tier--hot{border-color:rgba(242,107,58,.45);box-shadow:0 2px 6px rgba(242,107,58,.08),0 16px 34px rgba(242,107,58,.12);}
.tier__name{font-size:20px;font-weight:700;}
.tier__level{margin-top:6px;font-size:13px;color:var(--weak);}
.tier__value{margin-top:18px;font-size:15px;color:var(--muted);}
.tier__value b{font-size:30px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em;margin-right:4px;}
.tier--hot .tier__value b{color:var(--c-accent);}
.tier ul{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.tier li{position:relative;padding-left:24px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.tier li::before{
  content:"";position:absolute;left:0;top:8px;width:12px;height:7px;border-left:2px solid var(--c-primary);
  border-bottom:2px solid var(--c-primary);transform:rotate(-45deg);
}
.tier__foot{margin-top:auto;padding-top:24px;}

/* ============ 到账与自查 ============ */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-sm);height:100%;
}
.check-panel h3{font-size:20px;}
.check-panel > p{margin-top:10px;color:var(--muted);font-size:14.5px;}
.status-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.status-list li{
  display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:var(--radius-sm);
  background:#F8FBFB;border:1px solid var(--line);font-size:14.5px;color:var(--muted);
}
.dot{flex:0 0 auto;width:9px;height:9px;border-radius:50%;margin-top:8px;}
.dot--ok{background:#17A673;}
.dot--wait{background:var(--c-accent);}
.dot--off{background:#B7C6CB;}
.status-list b{display:block;color:var(--text);font-size:15px;margin-bottom:2px;}
.step-list{counter-reset:step;margin-top:20px;display:flex;flex-direction:column;gap:14px;}
.step-list li{
  position:relative;padding-left:44px;font-size:14.5px;color:var(--muted);line-height:1.75;
}
.step-list li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;width:30px;height:30px;border-radius:9px;background:var(--c-primary-soft);
  color:var(--c-primary-dark);font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.step-list b{color:var(--text);}

/* ============ 适用场景 ============ */
.scene{
  height:100%;padding:24px 22px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,124,134,.3);}
.scene__icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:#FDEDE6;color:var(--c-accent-dark);font-weight:800;font-size:16px;
}
.scene h3{margin-top:16px;font-size:18px;}
.scene p{margin-top:8px;color:var(--muted);font-size:14.5px;line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(14,124,134,.32);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;padding:20px 58px 20px 24px;
  font-size:16px;font-weight:600;color:var(--text);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:26px;top:24px;width:9px;height:9px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);background:#FBFDFD;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-dark);color:#fff;border-radius:20px;
}
.cta-band__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;}
.cta-band__veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,43,47,.96) 0%,rgba(14,124,134,.72) 100%);}
.cta-band__inner{position:relative;z-index:2;padding:48px 44px;}
.cta-band h2{color:#fff;font-size:30px;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.84);font-size:15.5px;max-width:40em;}
.cta-form{margin-top:26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:rgba(255,255,255,.82);font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.1);color:#fff;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.5);}
.field select option{color:#12262A;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:#7FD6DC;background:rgba(255,255,255,.16);box-shadow:0 0 0 3px rgba(127,214,220,.22);
}
.cta-form__submit{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.cta-form__note{font-size:13px;color:rgba(255,255,255,.68);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#B9CDD0;margin-top:0;}
.site-footer__main{padding-top:58px;padding-bottom:40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:700;}
.site-footer p{margin-top:16px;font-size:14px;line-height:1.85;color:#9FB7BB;max-width:34em;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;}
.footer-links a{color:#B9CDD0;}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;flex-direction:column;gap:2px;}
.footer-contact span{font-size:12.5px;color:#7E9BA0;}
.footer-contact b{color:#DFECEE;font-weight:600;font-size:14px;}
.site-footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:22px;padding-bottom:26px;display:flex;
  flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7E9BA0;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .site-header__inner{min-height:64px;gap:16px;}
  .search-box{display:none;}
  .mainnav{
    position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(11,43,47,.12);display:none;max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .mainnav.is-open{display:block;}
  .mainnav__list{flex-direction:column;align-items:stretch;gap:0;padding:6px 0 14px;}
  .mainnav__link{display:block;padding:15px 24px;border-bottom:1px solid var(--line);border-radius:0;font-size:15.5px;}
  .mainnav__link.is-active::after{left:24px;right:auto;width:22px;bottom:8px;}
  .nav-toggle{display:flex;}
  .page-banner h1{font-size:34px;}
  .page-banner__inner{padding-top:52px;padding-bottom:46px;}
  .section{padding:60px 0;}
  .section--tight{padding:50px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band__inner{padding:38px 28px;}
}
@media screen and (max-width:768px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .page-banner h1{font-size:29px;}
  .page-banner__lead{font-size:15.5px;}
  .stat-strip li{flex:1 1 calc(50% - 12px);min-width:0;}
  .section-head h2{font-size:24px;}
  .cta-band h2{font-size:24px;}
  .cta-form{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer__bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
  .brand__text{font-size:18px;}
  .brand__mark{width:34px;height:34px;font-size:13px;}
  .header-cta{display:none;}
  .page-banner h1{font-size:25px;}
  .page-banner__inner{padding-top:40px;padding-bottom:38px;}
  .banner-actions .btn{width:100%;}
  .flow-card{flex:0 0 84%;}
  .ecard__body{padding:18px 18px 20px;}
  .cta-band{border-radius:14px;}
  .cta-band__inner{padding:30px 20px;}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15px;}
  .faq-answer{padding:0 18px 18px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#0E7C86;
  --c-primary-dark:#0A616A;
  --c-primary-soft:#E4F2F3;
  --c-accent:#F26B3A;
  --c-accent-dark:#D9552A;
  --c-accent-soft:#FDEEE7;
  --c-bg:#F6F9FA;
  --c-surface:#FFFFFF;
  --c-dark:#0B2B2F;
  --c-text:#12262A;
  --c-text-sub:#4A6570;
  --c-text-mute:#8AA0A8;
  --c-border:#E2EBED;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:14px;
  --r-xl:20px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(11,43,47,.06), 0 12px 28px rgba(11,43,47,.08);
  --sh-2:0 4px 12px rgba(11,43,47,.10), 0 22px 44px rgba(11,43,47,.14);
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --t-fast:180ms ease-out;
  --t-mid:240ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--c-text);}
p{color:var(--c-text-sub);}
:focus-visible{outline:2px solid rgba(14,124,134,.55);outline-offset:2px;border-radius:4px;}

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

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-dark);color:#CFE3E5;font-size:13px;}
.topbar__inner{display:flex;align-items:center;gap:20px;min-height:36px;}
.topbar__note{display:flex;align-items:center;gap:8px;color:#EAF5F6;}
.topbar__note::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none;}
.topbar__meta{color:#87A7AC;}
.topbar__actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.topbar__link{color:#CFE3E5;border-bottom:1px solid transparent;transition:color var(--t-fast),border-color var(--t-fast);}
.topbar__link:hover{color:#fff;border-color:var(--c-accent);}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow var(--t-mid);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(11,43,47,.08);}
.site-header__inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),#12A0A0);
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(14,124,134,.32);
}
.brand__text{font-size:21px;font-weight:800;letter-spacing:-.02em;color:var(--c-text);white-space:nowrap;}
.mainnav{flex:1;min-width:0;}
.mainnav__list{display:flex;align-items:center;gap:4px;}
.mainnav__link{
  display:block;position:relative;padding:10px 12px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:var(--c-text-sub);white-space:nowrap;
  transition:color var(--t-fast),background var(--t-fast);
}
.mainnav__link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.mainnav__link.is-active{color:var(--c-primary);}
.mainnav__link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;background:var(--c-primary);
}
.header-tools{display:flex;align-items:center;gap:12px;flex:none;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--c-border);border-radius:var(--r-pill);
  background:#FBFDFD;color:var(--c-text-mute);font-size:13px;white-space:nowrap;
}
.search-box svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--c-border);background:#fff;
  padding:11px 10px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-text);transition:transform var(--t-fast),opacity var(--t-fast);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:10px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;
  transition:transform var(--t-fast),background var(--t-fast),color var(--t-fast),border-color var(--t-fast),box-shadow var(--t-fast);
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(14,124,134,.26);}
.btn--primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,124,134,.32);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(242,107,58,.28);}
.btn--accent:hover{background:var(--c-accent-dark);transform:translateY(-2px);}
.btn--ghost{border-color:rgba(14,124,134,.42);color:var(--c-primary);background:transparent;}
.btn--ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);transform:translateY(-2px);}
.btn--light{border-color:rgba(255,255,255,.5);color:#fff;}
.btn--light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--xs{padding:6px 14px;font-size:12.5px;border-radius:var(--r-pill);}
.btn--lg{padding:15px 32px;font-size:16px;}
.btn:active{transform:translateY(0);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;line-height:1.6;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.badge--accent{background:var(--c-accent-soft);color:var(--c-accent-dark);}
.badge--muted{background:#EEF4F5;color:var(--c-text-sub);}
.badge--dark{background:rgba(255,255,255,.16);color:#fff;}

/* ============ 分类 Banner ============ */
.page-banner{position:relative;overflow:hidden;background:var(--c-dark);}
.page-banner__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,43,47,.94) 0%,rgba(11,43,47,.78) 46%,rgba(14,124,134,.55) 100%);
}
.page-banner__inner{position:relative;z-index:2;padding:64px 0 60px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9FBEC2;margin-bottom:20px;}
.breadcrumb a{color:#CFE3E5;border-bottom:1px solid transparent;transition:color var(--t-fast),border-color var(--t-fast);}
.breadcrumb a:hover{color:#fff;border-color:var(--c-accent);}
.breadcrumb span.sep{color:#5C8186;}
.page-banner h1{
  color:#fff;font-size:38px;line-height:1.28;max-width:840px;
}
.page-banner__lead{
  margin-top:16px;max-width:720px;color:#C3DBDE;font-size:16px;
}
.page-banner__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.page-banner__stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:34px;
  border-top:1px solid rgba(255,255,255,.16);
}
.page-banner__stat{padding:18px 34px 0 0;margin-right:34px;border-right:1px solid rgba(255,255,255,.14);}
.page-banner__stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.page-banner__stat b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.page-banner__stat span{font-size:13px;color:#9FBEC2;}

/* ============ 板块通用 ============ */
.section{padding:76px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head__eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;
}
.section-head__eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-accent);}
.section-head h2{font-size:28px;}
.section-head__desc{margin-top:14px;font-size:15.5px;}

/* ============ 错落卡片瀑布 ============ */
.stagger-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.stagger-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  transition:transform var(--t-mid),box-shadow var(--t-mid),border-color var(--t-mid);
}
.stagger-card:nth-child(2),.stagger-card:nth-child(5){margin-top:34px;}
.stagger-card:nth-child(3),.stagger-card:nth-child(6){margin-top:68px;}
.stagger-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,124,134,.34);}
.stagger-card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#DDE9EA;}
.stagger-card__media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-mid);}
.stagger-card:hover .stagger-card__media img{transform:scale(1.04);}
.stagger-card__tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--c-primary-dark);}
.stagger-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.stagger-card__body h3{font-size:19px;}
.stagger-card__body p{font-size:14.5px;line-height:1.7;}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--c-border);
  font-size:13px;color:var(--c-text-mute);
}
.card-meta b{color:var(--c-primary);font-weight:700;}

/* ============ 首日时间线 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.timeline::before{
  content:"";position:absolute;left:22px;right:22px;top:19px;height:2px;
  background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary) 62%,var(--c-border) 62%,var(--c-border) 100%);
}
.timeline__item{position:relative;padding-top:56px;}
.timeline__dot{
  position:absolute;top:8px;left:0;width:24px;height:24px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);z-index:2;
}
.timeline__item.is-next .timeline__dot{border-color:var(--c-accent);}
.timeline__item.is-wait .timeline__dot{border-color:#B9CDD1;}
.timeline__card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:18px 18px 20px;box-shadow:var(--sh-1);height:100%;
  transition:transform var(--t-mid),box-shadow var(--t-mid);
}
.timeline__card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.timeline__card h3{font-size:16.5px;margin:10px 0 8px;}
.timeline__card p{font-size:13.8px;line-height:1.7;}
.timeline__no{font-size:12.5px;font-weight:800;color:var(--c-primary);letter-spacing:.06em;}

/* ============ 清单双列 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.split__media{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/11;background:#DDE9EA;}
.split__media img{width:100%;height:100%;object-fit:cover;}
.check-list{display:grid;gap:14px;margin-top:26px;}
.check-list li{
  display:flex;gap:14px;padding:16px 18px;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--r-md);
  transition:border-color var(--t-fast),transform var(--t-fast),box-shadow var(--t-fast);
}
.check-list li:hover{border-color:rgba(14,124,134,.36);transform:translateX(3px);box-shadow:var(--sh-1);}
.check-list__ico{
  width:26px;height:26px;flex:none;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:13px;font-weight:800;
}
.check-list li.warn .check-list__ico{background:var(--c-accent-soft);color:var(--c-accent-dark);}
.check-list strong{display:block;font-size:15.5px;margin-bottom:2px;}
.check-list p{font-size:14px;line-height:1.7;}

/* ============ 数据条 ============ */
.stats-band{background:var(--c-dark);color:#fff;border-radius:var(--r-xl);padding:40px 30px;}
.stats-band__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stats-band__item b{display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;color:#fff;}
.stats-band__item b em{font-style:normal;font-size:16px;color:var(--c-accent);margin-left:2px;}
.stats-band__item span{display:block;margin-top:6px;font-size:13.5px;color:#9FBEC2;}
.stats-band__note{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;color:#9FBEC2;text-align:center;}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;max-width:920px;}
.faq__item{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.faq__item:hover{border-color:rgba(14,124,134,.32);}
.faq__item.is-open{border-color:rgba(14,124,134,.46);box-shadow:var(--sh-1);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:700;color:var(--c-text);
  transition:color var(--t-fast);
}
.faq__q:hover{color:var(--c-primary);}
.faq__item.is-open .faq__q{color:var(--c-primary);}
.faq__icon{position:relative;width:16px;height:16px;flex:none;}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform var(--t-mid),opacity var(--t-mid);
}
.faq__icon::before{left:0;top:7px;width:16px;height:2px;}
.faq__icon::after{top:0;left:7px;width:2px;height:16px;}
.faq__item.is-open .faq__icon::after{transform:scaleY(0);opacity:0;}
.faq__a{max-height:0;overflow:hidden;transition:max-height var(--t-mid);background:#FAFDFD;}
.faq__a p{padding:0 22px 20px;font-size:14.8px;line-height:1.85;}
.faq__a .faq__inner{padding-top:2px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-primary);color:#fff;
  border-radius:var(--r-xl);padding:52px 46px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-band::before{
  content:"";position:absolute;right:90px;bottom:-110px;width:200px;height:200px;border-radius:50%;
  border:26px solid rgba(242,107,58,.28);
}
.cta-band__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;}
.cta-band p{color:rgba(255,255,255,.88);margin-top:14px;font-size:15px;}
.cta-band__form{display:grid;gap:12px;}
.cta-band__form label{font-size:13.5px;color:rgba(255,255,255,.86);}
.cta-band__input{
  height:46px;width:100%;border-radius:10px;border:1.5px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.14);color:#fff;padding:0 16px;font-size:15px;
  transition:border-color var(--t-fast),background var(--t-fast),box-shadow var(--t-fast);
}
.cta-band__input::placeholder{color:rgba(255,255,255,.6);}
.cta-band__input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.22);box-shadow:0 0 0 3px rgba(255,255,255,.18);}
.cta-band__hint{font-size:12.5px;color:rgba(255,255,255,.72);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#B7CED1;margin-top:0;}
.site-footer__main{padding:60px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;margin-bottom:16px;}
.site-footer p{color:#9FBEC2;font-size:14px;line-height:1.85;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#B7CED1;transition:color var(--t-fast),transform var(--t-fast);display:inline-block;}
.footer-links a:hover{color:var(--c-accent);transform:translateX(3px);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;border-bottom:1px dashed rgba(255,255,255,.12);padding-bottom:10px;}
.footer-contact span{color:#87A7AC;}
.footer-contact b{color:#E8F3F4;font-weight:600;}
.site-footer__bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#87A7AC;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .mainnav{
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--c-border);
    box-shadow:0 18px 30px rgba(11,43,47,.12);
    max-height:0;overflow:hidden;transition:max-height var(--t-mid);
  }
  .mainnav.is-open{max-height:520px;}
  .mainnav__list{flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;}
  .mainnav__link{padding:15px 8px;font-size:16px;border-bottom:1px solid var(--c-border);border-radius:0;}
  .mainnav__link.is-active::after{left:8px;right:auto;width:44px;}
  .stagger-grid{grid-template-columns:repeat(2,1fr);}
  .stagger-card:nth-child(2),.stagger-card:nth-child(4),.stagger-card:nth-child(6){margin-top:26px;}
  .stagger-card:nth-child(3),.stagger-card:nth-child(5){margin-top:0;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .timeline::before{display:none;}
  .split{grid-template-columns:1fr;gap:28px;}
  .stats-band__grid{grid-template-columns:repeat(2,1fr);gap:30px 20px;}
  .cta-band__inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-banner__inner{padding:52px 0 48px;}
  .page-banner h1{font-size:32px;}
}
@media screen and (max-width:640px){
  body{font-size:15.5px;}
  .topbar__meta{display:none;}
  .topbar__inner{min-height:34px;}
  .site-header__inner{min-height:64px;gap:12px;}
  .brand__text{font-size:19px;}
  .brand__mark{width:34px;height:34px;border-radius:10px;font-size:13px;}
  .header-cta{padding:8px 14px;font-size:13px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:23px;}
  .section-head__desc{font-size:14.8px;}
  .page-banner__inner{padding:40px 0 38px;}
  .page-banner h1{font-size:26px;}
  .page-banner__lead{font-size:14.8px;}
  .page-banner__stat{padding-right:22px;margin-right:22px;}
  .page-banner__stat b{font-size:21px;}
  .page-banner__stat span{font-size:12px;}
  .stagger-grid{grid-template-columns:1fr;}
  .stagger-card:nth-child(n){margin-top:0;}
  .timeline{grid-template-columns:1fr;}
  .stats-band{padding:30px 20px;}
  .stats-band__item b{font-size:26px;}
  .cta-band{padding:34px 22px;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer__bottom{flex-direction:column;}
  .faq__q{font-size:15px;padding:16px 18px;}
  .faq__a p{padding:0 18px 18px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E7C86;
  --c-primary-d:#0A5F68;
  --c-primary-s:#E4F2F3;
  --c-accent:#F26B3A;
  --c-accent-d:#D6552A;
  --c-bg:#F6F9FA;
  --c-surface:#FFFFFF;
  --c-dark:#0B2B2F;
  --c-dark-2:#123B40;
  --c-text:#12262A;
  --c-text-2:#4A6570;
  --c-text-3:#8AA0A8;
  --c-border:#E2EBED;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-1:0 2px 6px rgba(11,43,47,.06),0 12px 28px rgba(11,43,47,.08);
  --shadow-2:0 6px 16px rgba(11,43,47,.10),0 22px 44px rgba(11,43,47,.13);
  --maxw:1200px;
  --gap:24px;
  --font:"system-ui","-apple-system","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--c-primary);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.3;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid rgba(14,124,134,.45);outline-offset:2px;border-radius:6px;}
.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.grid-container--wide{max-width:1320px;}

/* ---------- 顶部信息条 ---------- */
.site-topbar{background:var(--c-dark);color:#CFE3E5;font-size:13px;}
.site-topbar__inner{display:flex;align-items:center;gap:24px;min-height:36px;padding-top:6px;padding-bottom:6px;}
.site-topbar__lead{display:flex;align-items:center;gap:8px;font-weight:600;color:#EAF5F6;}
.site-topbar__lead i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;box-shadow:0 0 0 4px rgba(242,107,58,.22);}
.site-topbar__note{color:#9FBDC1;}
.site-topbar__tools{margin-left:auto;display:flex;align-items:center;gap:18px;}
.site-topbar__tools a{color:#CFE3E5;border-bottom:1px solid rgba(207,227,229,.35);padding-bottom:1px;}
.site-topbar__tools a:hover{color:#fff;border-color:var(--c-accent);}
.topbar-btn{background:var(--c-accent);color:#fff;border-radius:var(--radius-pill);padding:5px 14px;font-weight:600;font-size:12.5px;transition:background .2s ease,transform .2s ease;}
.topbar-btn:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-border);backdrop-filter:blur(8px);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(11,43,47,.08);}
.site-header__inner{display:flex;align-items:center;gap:28px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,var(--c-primary),#12A0A8);color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(14,124,134,.28);}
.brand__text{font-size:21px;font-weight:800;letter-spacing:-.02em;}
.mainnav__list{display:flex;align-items:center;gap:4px;}
.mainnav__link{display:inline-block;position:relative;padding:10px 14px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;color:var(--c-text-2);transition:color .2s ease,background .2s ease;}
.mainnav__link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;}
.mainnav__link:hover{color:var(--c-primary);background:var(--c-primary-s);}
.mainnav__link:hover::after,.mainnav__link.is-active::after{transform:scaleX(1);}
.mainnav__link.is-active{color:var(--c-primary);background:var(--c-primary-s);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border:1px solid var(--c-border);border-radius:var(--radius-pill);color:var(--c-text-3);font-size:13.5px;background:#FBFDFD;min-width:190px;}
.search-box svg{width:16px;height:16px;fill:none;stroke:var(--c-text-3);stroke-width:1.8;stroke-linecap:round;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);padding:12px 24px;font-weight:700;font-size:15px;line-height:1;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;border:1.5px solid transparent;}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 18px rgba(14,124,134,.24);}
.btn--primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 18px rgba(242,107,58,.26);}
.btn--accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px);}
.btn--ghost{border-color:rgba(14,124,134,.4);color:var(--c-primary);background:#fff;}
.btn--ghost:hover{background:var(--c-primary-s);border-color:var(--c-primary);color:var(--c-primary-d);}
.btn--light{background:#fff;color:var(--c-dark);}
.btn--light:hover{background:#EAF5F6;color:var(--c-dark);}
.btn--sm{padding:9px 18px;font-size:14px;border-radius:var(--radius-pill);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-border);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-text);transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 通用板块 ---------- */
main{display:block;}
.section{padding:76px 0;}
.section--tight{padding:56px 0;}
.section--soft{background:#EEF5F6;}
.section--dark{background:var(--c-dark);color:#DCEDEF;}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head__title h2{font-size:28px;}
.section-head__title p{margin-top:8px;color:var(--c-text-2);font-size:15px;max-width:720px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-primary);background:var(--c-primary-s);border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:14px;}
.eyebrow--accent{color:var(--c-accent-d);background:#FDEDE6;}
.link-more{color:var(--c-primary);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more:hover{gap:10px;color:var(--c-primary-d);}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:var(--radius-pill);background:var(--c-primary-s);color:var(--c-primary-d);}
.badge--accent{background:#FDEDE6;color:var(--c-accent-d);}
.badge--live{background:#E3F6EE;color:#127A54;}
.badge--wait{background:#EDF1F3;color:#5C737B;}
.badge--soon{background:#FFF3DE;color:#9A6415;}

/* ---------- 分类 Banner ---------- */
.cat-banner{background:linear-gradient(180deg,#F1F8F9 0%,#F6F9FA 100%);border-bottom:1px solid var(--c-border);padding:56px 0 48px;position:relative;overflow:hidden;}
.cat-banner::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;border:1px dashed rgba(14,124,134,.28);}
.cat-banner__grid{display:grid;grid-template-columns:1.35fr .9fr;gap:48px;align-items:center;position:relative;z-index:2;}
.crumb{font-size:13.5px;color:var(--c-text-3);display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{color:#B9CCD0;}
.cat-banner h1{font-size:40px;line-height:1.22;}
.cat-banner h1 em{font-style:normal;color:var(--c-primary);}
.cat-banner__desc{margin-top:18px;font-size:16.5px;color:var(--c-text-2);max-width:620px;}
.cat-banner__actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cat-banner__figure{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-2);}
.cat-banner__figure img{width:100%;height:320px;object-fit:cover;}
.cat-banner__figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 20px;font-size:13px;color:#E6F2F3;background:linear-gradient(180deg,rgba(11,43,47,0),rgba(11,43,47,.82));}
.banner-stats{margin-top:32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:680px;}
.banner-stat{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow-1);}
.banner-stat b{display:block;font-size:22px;color:var(--c-primary-d);letter-spacing:-.02em;}
.banner-stat span{font-size:13px;color:var(--c-text-3);}

/* ---------- 实时状态条 ---------- */
.statusbar{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:20px 24px;display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:-38px;position:relative;z-index:5;}
.statusbar__live{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14.5px;color:var(--c-primary-d);}
.statusbar__live i{width:9px;height:9px;border-radius:50%;background:#1AA46B;box-shadow:0 0 0 5px rgba(26,164,107,.18);}
.statusbar__items{display:flex;gap:28px;flex-wrap:wrap;margin-left:auto;}
.statusbar__items div{font-size:13.5px;color:var(--c-text-2);}
.statusbar__items b{display:block;font-size:15.5px;color:var(--c-text);}

/* ---------- 三行横向条目 ---------- */
.rowlist{display:flex;flex-direction:column;gap:16px;}
.rowitem{display:grid;grid-template-columns:78px 1fr 56px;align-items:center;gap:24px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.rowitem:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,124,134,.35);}
.rowitem__num{font-size:24px;font-weight:800;color:var(--c-primary);background:var(--c-primary-s);border-radius:12px;width:60px;height:60px;display:flex;align-items:center;justify-content:center;letter-spacing:-.02em;}
.rowitem__head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.rowitem__head h3{font-size:19px;}
.rowitem__body p{margin-top:8px;color:var(--c-text-2);font-size:14.5px;}
.rowitem__meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--c-text-3);}
.rowitem__meta li{display:flex;align-items:center;gap:6px;}
.rowitem__meta li b{color:var(--c-text-2);font-weight:600;}
.rowitem__arrow{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--c-border);display:flex;align-items:center;justify-content:center;color:var(--c-primary);transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.rowitem__arrow svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.rowitem:hover .rowitem__arrow{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateX(3px);}

/* ---------- 周节奏时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:14px;position:relative;margin-top:8px;}
.timeline::before{content:"";position:absolute;left:4%;right:4%;top:19px;height:2px;background:linear-gradient(90deg,rgba(14,124,134,.6),rgba(242,107,58,.5));}
.tl-node{position:relative;text-align:center;padding-top:0;}
.tl-node__dot{width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--c-text-3);margin:13px auto 14px;position:relative;z-index:2;}
.tl-node--done .tl-node__dot{border-color:var(--c-primary);background:var(--c-primary);}
.tl-node--now .tl-node__dot{border-color:var(--c-accent);background:var(--c-accent);box-shadow:0 0 0 6px rgba(242,107,58,.16);}
.tl-node__card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:12px;padding:14px 12px;box-shadow:var(--shadow-1);min-height:132px;}
.tl-node__card b{display:block;font-size:15px;}
.tl-node__card span{display:block;margin-top:6px;font-size:12.5px;color:var(--c-text-3);line-height:1.6;}

/* ---------- 双列说明 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.split__figure{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-2);}
.split__figure img{width:100%;height:360px;object-fit:cover;}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--c-border);}
.check-list li:last-child{border-bottom:0;}
.check-list i{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-primary-s);color:var(--c-primary-d);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;font-style:normal;margin-top:3px;}
.check-list b{display:block;font-size:16px;}
.check-list p{font-size:14px;color:var(--c-text-2);margin-top:4px;}

/* ---------- 目标卡 ---------- */
.goal-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.goal-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;}
.goal-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.goal-card__tag{margin-bottom:14px;}
.goal-card b{font-size:26px;letter-spacing:-.02em;color:var(--c-primary-d);display:block;}
.goal-card span{font-size:13.5px;color:var(--c-text-3);}
.goal-card p{margin-top:14px;font-size:14px;color:var(--c-text-2);}
.goal-card__bar{margin-top:16px;height:8px;border-radius:6px;background:#EDF3F4;overflow:hidden;}
.goal-card__bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--c-primary),#25AFB7);}
.goal-card__bar i.acc{background:linear-gradient(90deg,var(--c-accent),#F79B6E);}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease;}
.faq-item.is-open{border-color:rgba(14,124,134,.4);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--c-text);}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-q i{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-s);color:var(--c-primary-d);display:flex;align-items:center;justify-content:center;font-style:normal;font-size:16px;font-weight:800;transition:transform .25s ease,background .25s ease,color .25s ease;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a__inner{padding:0 24px 22px;color:var(--c-text-2);font-size:14.5px;background:linear-gradient(180deg,rgba(228,242,243,.5),rgba(228,242,243,0));}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-dark);color:#DCEDEF;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;left:-90px;bottom:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(14,124,134,.55),rgba(14,124,134,0) 70%);}
.cta-band__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:2;}
.cta-band h2{font-size:30px;color:#fff;}
.cta-band p{margin-top:14px;color:#A9C7CB;max-width:560px;}
.cta-band__actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;}
.cta-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:26px;}
.cta-form label{display:block;font-size:13.5px;color:#BBD6D9;margin-bottom:8px;}
.cta-form input{width:100%;height:46px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;padding:0 14px;margin-bottom:16px;transition:border-color .2s ease,box-shadow .2s ease;}
.cta-form input::placeholder{color:#8FB0B5;}
.cta-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(242,107,58,.25);}
.cta-form .btn{width:100%;}
.cta-form small{display:block;margin-top:12px;color:#8FB0B5;font-size:12.5px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#B8D1D5;font-size:14px;}
.site-footer__main{padding:60px 24px 40px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px;}
.site-footer p{color:#93B3B8;font-size:13.5px;line-height:1.85;max-width:360px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#A9C7CB;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--c-accent);padding-left:4px;}
.footer-contact li{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.12);font-size:13.5px;}
.footer-contact li span{color:#8FB0B5;}
.footer-contact li b{color:#DCEDEF;font-weight:600;}
.site-footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#7FA0A5;}
.site-footer__bottom a:hover{color:var(--c-accent);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .site-header__inner{gap:16px;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .mainnav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--c-border);box-shadow:0 18px 30px rgba(11,43,47,.12);max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .mainnav.is-open{max-height:520px;}
  .mainnav__list{flex-direction:column;align-items:stretch;padding:12px 16px 20px;}
  .mainnav__link{padding:14px 12px;border-bottom:1px solid var(--c-border);border-radius:0;font-size:16px;}
  .mainnav__link::after{display:none;}
  .mainnav__link.is-active{background:var(--c-primary-s);border-radius:10px;border-bottom-color:transparent;}
  .mainnav li:last-child .mainnav__link{border-bottom:0;}
  .cat-banner__grid{grid-template-columns:1fr;gap:32px;}
  .cat-banner h1{font-size:34px;}
  .timeline{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:22px;}
  .timeline::before{display:none;}
  .goal-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:32px;}
  .cta-band__grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head__title h2{font-size:23px;}
  .site-topbar__note{display:none;}
  .site-topbar__tools a{display:none;}
  .cat-banner{padding:40px 0 36px;}
  .cat-banner h1{font-size:29px;}
  .cat-banner__desc{font-size:15.5px;}
  .cat-banner__figure img{height:240px;}
  .banner-stats{grid-template-columns:1fr;gap:12px;}
  .rowitem{grid-template-columns:56px 1fr;gap:16px;padding:20px 18px;}
  .rowitem__num{width:48px;height:48px;font-size:19px;border-radius:10px;}
  .rowitem__arrow{display:none;}
  .statusbar{padding:18px;gap:16px;margin-top:-28px;}
  .statusbar__items{margin-left:0;gap:18px 26px;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split__figure img{height:250px;}
  .goal-grid{grid-template-columns:1fr;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer__main{padding:44px 24px 28px;}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .brand__text{font-size:18px;}
  .btn{padding:11px 18px;font-size:14.5px;}
  .cat-banner h1{font-size:25px;}
  .timeline{grid-template-columns:1fr;}
  .tl-node__card{min-height:auto;}
  .faq-q{font-size:15px;padding:18px;}
  .faq-a__inner{padding:0 18px 18px;}
  .site-footer__bottom{flex-direction:column;}
}