/* roulang page: index */
:root{
  --ink:#123B3A;
  --ink-deep:#0B2A29;
  --coral:#FF6B4A;
  --coral-deep:#E85B3B;
  --coral-soft:#FFE7E1;
  --coral-light:#FFB4A0;
  --mint:#5FC9B8;
  --mint-soft:#E4F5F1;
  --bg:#F7F3EC;
  --sand:#EFE7DA;
  --card:#FFFFFF;
  --text:#1F2A2A;
  --text-2:#5C6B6A;
  --line:#E2DCD1;
  --card-line:#EDE6DA;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-1:0 4px 16px rgba(18,59,58,.06);
  --shadow-2:0 14px 34px rgba(18,59,58,.12);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--coral);}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:76px;display:flex;align-items:center;
  background:rgba(247,243,236,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.45);
  box-shadow:0 6px 20px rgba(18,59,58,.08);
  transition:height .26s ease-out,background .26s ease-out,box-shadow .26s ease-out;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(247,243,236,.95);
  box-shadow:0 10px 26px rgba(18,59,58,.14);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;transition:font-size .26s ease-out;}
.brand:hover{color:var(--ink);}
.site-header.is-scrolled .brand{font-size:18px;}
.brand-mark{width:34px;height:34px;flex:none;display:grid;place-items:center;color:var(--ink);}
.brand-mark svg{width:100%;height:100%;display:block;}
.brand-suffix{font-size:.8em;font-weight:700;letter-spacing:.02em;margin-left:2px;color:var(--ink);}
.brand:hover .brand-suffix{color:var(--coral);}
.nav-links{display:flex;align-items:center;gap:2px;margin:0;padding:0;}
.nav-links a{
  position:relative;display:inline-block;
  padding:9px 13px;font-size:15px;font-weight:500;color:var(--ink);
  border-radius:10px;transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--coral);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;
  background:transparent;border:1px solid rgba(18,59,58,.18);border-radius:12px;
  color:var(--ink);cursor:pointer;transition:background .2s,border-color .2s,color .2s;
}
.icon-btn:hover{background:rgba(18,59,58,.07);border-color:rgba(18,59,58,.3);color:var(--ink);}
.icon-btn svg{width:19px;height:19px;}
.btn-coral{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border:0;border-radius:var(--radius-btn);
  background:var(--coral);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-coral:hover{background:var(--coral-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,91,59,.30);}
.btn-coral:active{transform:translateY(0);box-shadow:none;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-outline-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-outline-light:active{transform:translateY(0);}
.hamburger{display:none;}

/* 搜索条 */
.search-bar{
  position:fixed;top:76px;left:0;right:0;z-index:999;
  background:rgba(247,243,236,.97);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 28px rgba(18,59,58,.10);
  max-height:0;overflow:hidden;opacity:0;pointer-events:none;
  transition:max-height .28s ease-out,opacity .28s ease-out,padding .28s ease-out;
}
.search-bar.open{max-height:120px;opacity:1;pointer-events:auto;padding:16px 0;}
.search-form{display:flex;gap:12px;align-items:center;}
.search-form input{
  flex:1;min-height:46px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form input::placeholder{color:#9AA6A5;}
.search-form input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,107,74,.18);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:990;background:var(--ink);
  padding:100px 24px 32px;overflow-y:auto;
  transform:translateX(102%);transition:transform .3s ease-out;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-links li{border-bottom:1px solid rgba(255,255,255,.10);}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:17px;color:#fff;font-weight:500;
}
.drawer-links a:hover{color:var(--coral-light);}
.drawer-links span{color:rgba(255,255,255,.4);font-size:18px;}
.drawer-cta{width:100%;margin-top:28px;}
.drawer-brand{margin-top:26px;font-size:15px;font-weight:700;color:rgba(255,255,255,.6);letter-spacing:.02em;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  min-height:640px;display:flex;align-items:center;
  padding:140px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(11,42,41,.92) 0%,rgba(11,42,41,.66) 52%,rgba(11,42,41,.34) 100%);
}
.hero > .wrap{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(95,201,184,.18);border:1px solid rgba(95,201,184,.42);color:#CDEFE9;
  margin-bottom:20px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block;}
.hero h1{
  color:#fff;font-size:clamp(30px,4vw,52px);font-weight:700;
  line-height:1.25;letter-spacing:-.01em;margin-bottom:18px;
}
.hero-sub{color:rgba(255,255,255,.86);font-size:18px;line-height:1.7;max-width:520px;margin-bottom:24px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.hero-badges span{
  display:inline-block;padding:5px 14px;border-radius:999px;font-size:13px;
  color:#EAF6F3;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-cards{display:grid;gap:0;}
.hero-card{
  margin:0;background:#fff;padding:6px;border-radius:18px;
  box-shadow:0 20px 44px rgba(0,0,0,.30);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;background:var(--sand);}
.hero-card figcaption{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 10px 6px;font-size:13px;font-weight:600;color:var(--ink);
}
.hero-card figcaption em{font-style:normal;color:var(--text-2);font-weight:500;font-size:12px;}
.hero-card-a{width:94%;}
.hero-card-b{width:76%;justify-self:end;margin-top:-30px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--sand);}
.section-line{border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head-left{min-width:0;}
.section-title{
  position:relative;padding-left:16px;
  font-size:32px;font-weight:700;color:var(--ink);line-height:1.28;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--coral);
}
.section-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:620px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);}
.text-link:hover{color:var(--coral);text-decoration:underline;text-underline-offset:4px;}

/* ============ 合集目录 ============ */
.collections{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.col-item{
  grid-column:span 2;
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  min-height:208px;padding:26px 24px;
  background:var(--card);border:1px solid var(--card-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);color:inherit;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.col-item:nth-child(4),.col-item:nth-child(5){grid-column:span 3;}
.col-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#E3D8C6;color:inherit;}
.col-num{font-size:40px;font-weight:800;line-height:1;letter-spacing:.02em;color:var(--mint);transition:color .22s ease-out;}
.col-item:hover .col-num{color:var(--coral);}
.col-item h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.col-item p{font-size:14px;color:var(--text-2);line-height:1.75;}
.col-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);align-self:flex-end;}
.col-item:hover .col-more{color:var(--coral);}

/* ============ 精选条目 ============ */
.featured-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.feature-card{
  display:grid;grid-template-columns:172px minmax(0,1fr);gap:20px;align-items:start;
  padding:16px;background:var(--card);border:1px solid var(--card-line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);color:inherit;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:inherit;}
.feature-card img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;background:var(--sand);
}
.feature-body{min-width:0;display:flex;flex-direction:column;gap:8px;height:100%;}
.badge-mint{
  display:inline-block;align-self:flex-start;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--mint-soft);color:var(--ink);
}
.badge-coral{
  display:inline-block;align-self:flex-start;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--coral-soft);color:#B8402A;
}
.feature-card h3{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.feature-card:hover h3{color:var(--coral);}
.feature-card p{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.feature-meta{
  display:flex;align-items:center;gap:10px;margin-top:auto;
  font-size:13px;color:var(--text-2);
}
.feature-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.feature-meta .go{color:var(--ink);font-weight:600;}
.feature-card:hover .feature-meta .go{color:var(--coral);}

/* ============ 访问要点 ============ */
.points{display:grid;border-top:1px solid var(--line);}
.point-row{
  display:grid;grid-template-columns:88px 240px minmax(0,1fr);gap:24px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.point-num{font-size:26px;font-weight:800;color:var(--mint);letter-spacing:.02em;line-height:1;}
.point-row h3{font-size:18px;font-weight:600;}
.point-row p{font-size:15px;color:var(--text-2);line-height:1.75;}

/* ============ 最新信息（CMS） ============ */
.news-list{display:grid;border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:24px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--line);color:inherit;
  transition:background .2s ease;
}
.news-item:hover{color:inherit;}
.news-main{min-width:0;}
.news-item h3{
  font-size:18px;font-weight:600;line-height:1.55;margin:10px 0 8px;
  transition:color .2s ease;
}
.news-item:hover h3{color:var(--coral);}
.news-item p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;text-align:right;}
.news-side time{font-size:13px;color:var(--text-2);}
.news-more{font-size:14px;font-weight:600;color:var(--ink);transition:color .2s ease;}
.news-item:hover .news-more{color:var(--coral);}
.empty-state{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1.5px dashed #D8CFBF;border-radius:16px;margin:28px 0 4px;padding:32px 20px;text-align:center;
}
.empty-state svg{width:34px;height:34px;color:#B9AE9B;}
.empty-state p{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ============ 相关推荐 ============ */
.related-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:14px;scrollbar-width:thin;
}
.related-track::-webkit-scrollbar{height:6px;}
.related-track::-webkit-scrollbar-thumb{background:#D8CFBF;border-radius:999px;}
.related-card{
  flex:0 0 calc((100% - 60px) / 4);scroll-snap-align:start;
  display:flex;flex-direction:column;gap:10px;
  padding:22px;background:var(--card);border:1px solid var(--card-line);
  border-radius:16px;box-shadow:var(--shadow-1);color:inherit;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:inherit;}
.related-card .idx{font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--mint);}
.related-card h3{
  font-size:16px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.related-card:hover h3{color:var(--coral);}
.related-card span{font-size:13px;color:var(--text-2);margin-top:auto;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-deep) 100%);
  padding:60px 0;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(95,201,184,.30) 1px,transparent 1px);
  background-size:18px 18px;opacity:.28;pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:30px;font-weight:700;line-height:1.35;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.74);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq{
  --bs-accordion-bg:#fff;
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-radius:18px;
  --bs-accordion-inner-border-radius:18px;
  --bs-accordion-btn-padding-x:22px;
  --bs-accordion-btn-padding-y:18px;
  --bs-accordion-btn-color:var(--ink);
  --bs-accordion-btn-bg:#fff;
  --bs-accordion-active-color:var(--ink);
  --bs-accordion-active-bg:#fff;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-body-padding-x:22px;
  --bs-accordion-body-padding-y:0px;
}
.faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:18px !important;
  margin-bottom:12px;overflow:hidden;
}
.faq .accordion-button{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  background:#fff;box-shadow:none;border-radius:18px !important;
}
.faq .accordion-button:not(.collapsed){
  background:#fff;color:var(--ink);
  box-shadow:inset 3px 0 0 var(--coral);
}
.faq .accordion-button:focus{box-shadow:none;}
.faq .accordion-button:focus-visible{outline:2px solid var(--coral);outline-offset:-2px;}
.faq .accordion-button::after{
  width:22px;height:22px;flex:none;
  background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(var(--ink),var(--ink));
  background-size:12px 2px,2px 12px;
  background-position:center,center;
  background-repeat:no-repeat;
  border-radius:50%;
  transition:transform .22s ease-out,background-size .22s ease-out;
}
.faq .accordion-button:not(.collapsed)::after{
  background-size:12px 2px,12px 2px;
  transform:rotate(180deg);
}
.faq .accordion-body{padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:rgba(255,255,255,.72);padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;white-space:nowrap;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-suffix{color:#fff;font-size:.8em;font-weight:700;}
.footer-desc{margin-top:16px;font-size:13px;line-height:1.85;color:rgba(255,255,255,.68);max-width:280px;}
.footer-col h4{
  position:relative;font-size:14px;font-weight:700;color:#fff;
  margin:0 0 18px;padding-bottom:12px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;border-radius:2px;background:var(--coral);}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  display:inline-block;font-size:13px;color:rgba(255,255,255,.72);
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-note{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:16px;}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe input{
  flex:1;min-width:150px;min-height:44px;padding:0 14px;
  border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.24);
  background:#fff;color:var(--text);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input::placeholder{color:#9AA6A5;}
.subscribe input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(95,201,184,.28);}
.subscribe .btn-coral{min-height:44px;padding:0 18px;font-size:14px;flex:none;}
.privacy-note{margin-top:10px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .section{padding:72px 0;}
  .section-title{font-size:28px;}
  .hero h1{font-size:44px;}
  .nav-links a{padding:9px 10px;font-size:14px;}
  .point-row{grid-template-columns:70px 200px minmax(0,1fr);}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-actions .btn-coral{display:none;}
  .hamburger{display:grid;}
  .hero{padding:120px 0 72px;min-height:auto;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-card-a{width:100%;}
  .hero-card-b{display:none;}
  .section{padding:64px 0;}
  .collections{grid-template-columns:repeat(4,1fr);}
  .col-item{grid-column:span 2;}
  .col-item:nth-child(4),.col-item:nth-child(5){grid-column:span 2;}
  .featured-grid{grid-template-columns:1fr;}
  .related-card{flex:0 0 calc((100% - 20px) / 2);}
  .point-row{grid-template-columns:56px minmax(0,1fr);gap:16px;}
  .point-row p{grid-column:2;}
  .news-item{grid-template-columns:1fr;gap:12px;}
  .news-side{flex-direction:row;align-items:center;justify-content:space-between;text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner h2{font-size:26px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .site-header{height:64px;}
  .site-header.is-scrolled{height:58px;}
  .brand{font-size:16px;}
  .site-header.is-scrolled .brand{font-size:15px;}
  .brand-mark{width:28px;height:28px;}
  .hero{padding:104px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn-coral,.hero-actions .btn-outline-light{width:100%;}
  .section{padding:52px 0;}
  .section-title{font-size:24px;padding-left:14px;}
  .section-desc{font-size:14px;}
  .collections{grid-template-columns:1fr;}
  .col-item,.col-item:nth-child(4),.col-item:nth-child(5){grid-column:span 1;min-height:auto;}
  .col-num{font-size:34px;}
  .feature-card{grid-template-columns:1fr;}
  .feature-card img{aspect-ratio:16/10;}
  .related-card{flex:0 0 78%;}
  .cta-band{padding:44px 0;}
  .cta-inner h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-coral,.cta-actions .btn-outline-light{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .point-row{grid-template-columns:44px minmax(0,1fr);}
}
@media (max-width:479px){
  .hero h1{font-size:27px;}
  .btn-coral,.btn-outline,.btn-outline-light{width:100%;}
  .search-form{flex-direction:column;align-items:stretch;}
  .search-form .btn-coral{width:100%;}
}

/* roulang page: article */
:root{
  --ink:#123B3A;
  --ink-deep:#0B2A29;
  --coral:#FF6B4A;
  --coral-deep:#E85B3B;
  --coral-soft:#FFE7E1;
  --coral-line:#FFB4A0;
  --mint:#5FC9B8;
  --mint-soft:#E4F5F1;
  --bg:#F7F3EC;
  --sand:#EFE7DA;
  --card:#FFFFFF;
  --text:#1F2A2A;
  --muted:#5C6B6A;
  --line:#E2DCD1;
  --line-soft:#EDE6DA;
  --r-card:18px;
  --r-btn:12px;
  --shadow-card:0 4px 16px rgba(18,59,58,.06);
  --shadow-hover:0 14px 34px rgba(18,59,58,.12);
  --ease:220ms ease-out;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--coral)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,243,236,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(226,220,209,.85);
  box-shadow:0 6px 20px rgba(18,59,58,.08);
  transition:background 260ms ease-out,box-shadow 260ms ease-out;
}
.site-header.is-scrolled{
  background:rgba(247,243,236,.96);
  box-shadow:0 10px 28px rgba(18,59,58,.14);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height 260ms ease-out}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;
  transition:font-size 260ms ease-out;
}
.site-header.is-scrolled .brand{font-size:17.5px}
.brand-mark{display:inline-flex;color:var(--ink)}
.brand-mark svg{width:30px;height:30px;display:block}
.brand-suffix{margin-left:1px}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);
  transition:color var(--ease),background var(--ease);
}
.nav-links a:hover{color:var(--coral);background:rgba(255,107,74,.07)}
.nav-links a.active{font-weight:600;color:var(--ink)}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--coral);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--coral);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.btn-coral,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  border:1.5px solid transparent;transition:all var(--ease);
}
.btn-coral{background:var(--coral);color:#fff;border-color:var(--coral)}
.btn-coral:hover{background:var(--coral-deep);border-color:var(--coral-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(232,91,59,.28)}
.btn-coral:active{transform:translateY(0);box-shadow:none}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(18,59,58,.2)}
.btn-line:active{transform:translateY(0);box-shadow:none}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:#fff;border:1px solid var(--line);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:all var(--ease);
}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:all 240ms ease-out}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.search-panel{
  position:absolute;left:0;right:0;top:100%;
  padding:0 24px;max-height:0;overflow:hidden;opacity:0;
  background:rgba(247,243,236,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:max-height 260ms ease-out,opacity 200ms ease-out,padding 260ms ease-out;
}
.search-panel.is-open{max-height:120px;opacity:1;padding:16px 24px}
.search-inner{max-width:1200px;margin:0 auto;display:flex;gap:10px}
.search-inner input{
  flex:1;min-height:46px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;
}
.search-inner input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,107,74,.25)}
.mobile-drawer{
  position:fixed;inset:0;z-index:200;background:var(--ink);color:#fff;
  transform:translateX(100%);transition:transform 280ms ease-out;
  display:flex;flex-direction:column;padding:22px 20px 28px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:800}
.drawer-brand .brand-mark{color:var(--coral)}
.drawer-brand .brand-mark svg{width:26px;height:26px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.26);
  background:transparent;color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;color:#fff;font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--coral)}
.drawer-links a::after{content:"›";font-size:20px;opacity:.6}
.drawer-cta{margin-top:22px;display:block;width:100%;text-align:center}
.drawer-foot{margin-top:14px;font-size:12px;color:rgba(255,255,255,.55)}

/* ---------- page ---------- */
.page-main{padding-bottom:70px}
.crumbs{padding-top:24px;font-size:13px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;margin:0;min-height:24px}
.crumbs li{display:inline-flex;align-items:center;gap:8px;max-width:100%}
.crumbs li+li::before{content:"›";color:#B6ADA0}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--coral)}
.crumbs .current{color:#9A9184;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding:18px 0 26px;border-bottom:1px solid var(--line)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--mint-soft);color:var(--ink);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge.coral{background:var(--coral-soft);color:#B33A21}
.article-head h1{
  margin:14px 0 16px;
  font-size:42px;line-height:1.3;font-weight:700;
  word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.meta-row .dot{width:1px;height:12px;background:var(--line);display:inline-block}
.meta-row strong{color:var(--ink);font-weight:600}

.article-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;
  padding-top:34px;align-items:start;
}
.article-body{
  font-size:16px;line-height:1.95;color:var(--text);
  max-width:760px;word-break:break-word;
}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  font-size:26px;line-height:1.45;font-weight:700;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--coral);
}
.article-body h3{font-size:20px;font-weight:600;margin:24px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:18px 0 10px}
.article-body a{color:var(--ink);border-bottom:1px solid var(--coral-line)}
.article-body a:hover{color:var(--coral);border-bottom-color:var(--coral)}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.15em}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--mint);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  background:var(--sand);border-left:4px solid var(--ink);
  border-radius:0 12px 12px 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:18px 0 10px}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:20px 0;display:block;overflow-x:auto;
  border:1px solid var(--line);border-radius:12px;font-size:15px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px;text-align:left;white-space:nowrap}
.article-body th{background:var(--sand);font-weight:600;color:var(--ink)}
.article-body code{background:var(--sand);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

.article-side{position:sticky;top:96px;align-self:start}
.side-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-card);margin-bottom:18px;
}
.side-card h4{
  font-size:15px;font-weight:600;padding-bottom:10px;margin-bottom:12px;
  position:relative;
}
.side-card h4::after{
  content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;
  background:var(--coral);border-radius:2px;
}
.side-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:10px}
.toc{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc a{
  display:block;padding:7px 10px;font-size:14px;line-height:1.55;color:var(--muted);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:all var(--ease);
}
.toc a:hover{color:var(--ink);background:var(--bg)}
.toc a.is-active{color:var(--coral);border-left-color:var(--coral);background:#FBF6EE;font-weight:600}
.side-list{display:flex;flex-direction:column;gap:10px}
.side-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink);
  padding-bottom:10px;border-bottom:1px dashed var(--line);
}
.side-list a:last-child{border-bottom:none;padding-bottom:0}
.side-list a:hover{color:var(--coral)}
.side-list span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.side-card .btn-line{width:100%;margin-top:4px}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:240px;padding:32px 20px;text-align:center;
  border:1.5px dashed #D8CFBF;border-radius:16px;background:#FBF6EE;
}
.empty-state svg{width:34px;height:34px;color:#B6ADA0}
.empty-state p{font-size:15px;color:var(--muted)}
.empty-state a{color:var(--ink);font-weight:600;border-bottom:1px solid var(--coral)}

.article-foot{
  display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
}
.section-block{padding-top:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{
  font-size:28px;font-weight:700;position:relative;padding-left:14px;line-height:1.4;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--coral);border-radius:2px;
}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;padding-left:14px}
.section-head .link-more{font-size:14px;font-weight:600;white-space:nowrap;border-bottom:1px solid var(--coral-line);padding-bottom:2px}
.section-head .link-more:hover{color:var(--coral);border-bottom-color:var(--coral)}

.rec-card{
  display:block;height:100%;background:var(--card);
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#DCD3C4}
.rec-card .badge{margin-bottom:12px}
.rec-card h3{font-size:17px;font-weight:600;line-height:1.55}
.rec-card:hover h3{color:var(--coral)}
.rec-card p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.75}
.rec-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:12px;color:var(--muted)}
.rec-meta .arrow{color:var(--coral);font-weight:700}

.continue-bar{
  margin-top:56px;padding:34px 32px;border-radius:var(--r-card);
  background:var(--sand);border:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.continue-bar h2{font-size:24px;font-weight:700;line-height:1.4}
.continue-bar p{font-size:14px;color:var(--muted);margin-top:6px;max-width:520px}
.continue-bar .actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{
  margin-top:70px;color:#fff;
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800}
.footer-brand .brand-mark{color:var(--coral)}
.footer-brand .brand-mark svg{width:28px;height:28px}
.footer-desc{font-size:13px;line-height:1.8;color:rgba(255,255,255,.7);margin-top:14px;max-width:280px}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;position:relative;padding-bottom:8px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:2px;background:var(--coral);border-radius:2px}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:13px;color:rgba(255,255,255,.72);display:inline-block;transition:all var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-note{font-size:13px;color:rgba(255,255,255,.7);line-height:1.75;margin-bottom:12px}
.subscribe{display:flex;gap:8px}
.subscribe input{
  flex:1;min-width:0;min-height:44px;padding:0 12px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:#fff;color:var(--text);font-size:14px;
}
.subscribe input:focus{outline:none;border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,107,74,.3)}
.subscribe .btn-coral{flex:0 0 auto;padding:10px 16px;min-height:44px}
.privacy-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:10px;line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:18px 0 22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.6);
}

.back-top{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:46px;height:46px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-card);cursor:pointer;opacity:0;pointer-events:none;
  transition:all var(--ease);
}
.back-top.is-show{opacity:1;pointer-events:auto}
.back-top:hover{color:var(--coral);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.back-top svg{width:18px;height:18px}

@media (max-width:1199px){
  .nav-links a{font-size:14px;padding:8px 9px}
  .article-head h1{font-size:38px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .burger{display:flex}
  .nav-tools{margin-left:auto}
  .article-grid{grid-template-columns:1fr;gap:30px}
  .article-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .side-card{margin-bottom:0}
  .article-body{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .wrap{padding:0 18px}
  .brand{font-size:15px}
  .brand-mark svg{width:26px;height:26px}
  .nav-inner{height:64px;gap:12px}
  .nav-tools .btn-coral{display:none}
  .article-head{padding-top:14px}
  .article-head h1{font-size:30px;line-height:1.35;margin:12px 0 14px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:18px}
  .article-side{grid-template-columns:1fr}
  .article-foot{justify-content:stretch}
  .article-foot .btn-line{flex:1}
  .section-head h2{font-size:23px}
  .continue-bar{padding:26px 20px}
  .continue-bar h2{font-size:20px}
  .continue-bar .actions{width:100%}
  .continue-bar .actions .btn-coral,.continue-bar .actions .btn-line{flex:1}
  .crumbs .current{max-width:26ch}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
  .article-head h1{font-size:26px}
  .meta-row{font-size:12px;gap:8px}
  .article-side{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .subscribe{flex-direction:column}
  .subscribe .btn-coral{width:100%}
  .continue-bar .actions .btn-coral,.continue-bar .actions .btn-line{width:100%}
  .article-foot .btn-line{width:100%}
}

/* roulang page: category1 */
:root{
  --ink:#123B3A;
  --ink-deep:#0B2A29;
  --coral:#FF6B4A;
  --coral-deep:#E85B3B;
  --coral-soft:#FFE7E1;
  --peach:#FFB4A0;
  --mint:#5FC9B8;
  --mint-soft:#E4F5F1;
  --bg:#F7F3EC;
  --sand:#EFE7DA;
  --card:#FFFFFF;
  --text:#1F2A2A;
  --muted:#5C6B6A;
  --line:#E2DCD1;
  --line-soft:#EDE6DA;
  --shadow-sm:0 4px 16px rgba(18,59,58,.06);
  --shadow-lg:0 14px 34px rgba(18,59,58,.12);
  --r-card:18px;
  --r-btn:12px;
  --r-img:16px;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--coral)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--sand{background:var(--sand)}
.section-title{
  position:relative;
  font-size:32px;
  line-height:1.3;
  padding-left:18px;
  margin-bottom:12px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--coral);
}
.section-sub{color:var(--muted);font-size:15px;margin-bottom:40px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-head .section-sub{margin-bottom:0}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(247,243,236,.52);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.45);
  box-shadow:0 6px 20px rgba(18,59,58,.08);
  transition:background .26s ease-out,box-shadow .26s ease-out;
}
.site-header.is-scrolled{
  background:rgba(247,243,236,.94);
  box-shadow:0 10px 28px rgba(18,59,58,.14);
}
.nav-inner{
  display:flex;align-items:center;gap:20px;
  height:76px;
  transition:height .26s ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;color:var(--ink);transition:color .2s ease-out}
.brand-mark svg{width:32px;height:32px;display:block}
.brand:hover .brand-mark{color:var(--coral)}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;transition:font-size .26s ease-out;
}
.site-header.is-scrolled .brand-text{font-size:17px}
.brand-suffix{color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  border-radius:999px;
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--coral);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-links a:hover{color:var(--coral)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:42px;height:42px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);border:1px solid transparent;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.icon-btn:hover{background:rgba(18,59,58,.08);color:var(--coral)}
.icon-btn svg{width:19px;height:19px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--coral);color:#fff;border:1px solid var(--coral);box-shadow:0 6px 18px rgba(255,107,74,.24)}
.btn-primary:hover{background:var(--coral-deep);border-color:var(--coral-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,91,59,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(232,91,59,.24)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.nav-cta{height:42px;padding:0 20px;font-size:14px}

/* 搜索条 */
.search-bar{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease-out;
  background:rgba(247,243,236,.96);
  border-top:1px solid transparent;
}
.search-bar.open{max-height:96px;border-top-color:var(--line-soft)}
.search-inner{display:flex;gap:12px;padding:14px 0}
.search-inner input{
  flex:1;height:46px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.search-inner input::placeholder{color:#9AA5A4}
.search-inner input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,107,74,.18)}

/* 汉堡与抽屉 */
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s ease-out,opacity .24s ease-out}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:0;z-index:1100;
  background:var(--ink);
  padding:24px 22px 32px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .3s ease-out;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-top .brand-text{color:#fff;font-size:17px}
.drawer-close{width:44px;height:44px;border-radius:12px;color:#fff;font-size:22px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;
  color:rgba(255,255,255,.9);font-size:16px;font-weight:500;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a::after{content:"›";font-size:20px;color:var(--mint)}
.drawer-nav a.active{color:#fff;font-weight:700}
.drawer-nav a.active::after{color:var(--coral)}
.drawer-foot{margin-top:auto;padding-top:28px}
.drawer-foot .btn{width:100%}
.drawer-brand{margin-top:16px;text-align:center;color:rgba(255,255,255,.55);font-size:12px;letter-spacing:.04em}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 72px;
  min-height:320px;
  display:flex;align-items:center;
  background:
    radial-gradient(circle at 88% 18%,rgba(95,201,184,.24),transparent 46%),
    linear-gradient(120deg,#E8F1EF 0%,#DDEDE9 52%,#F1F4EC 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(18,59,58,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.05;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  border-radius:50%;border:1px solid rgba(18,59,58,.12);
  box-shadow:0 0 0 40px rgba(18,59,58,.03),0 0 0 80px rgba(18,59,58,.02);
  pointer-events:none;
}
.hero .wrap{position:relative;z-index:2}
.crumbs{margin-bottom:22px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"›";color:#A9B4B2}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--coral)}
.crumbs .current{color:var(--ink);font-weight:600}
.hero h1{
  font-size:46px;line-height:1.24;letter-spacing:-.01em;
  max-width:820px;margin-bottom:18px;
}
.hero h1 .accent{color:var(--coral)}
.hero-desc{max-width:620px;font-size:17px;color:#3C4A49;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.01em;
  background:var(--mint-soft);color:var(--ink);
}
.pill--coral{background:var(--coral-soft);color:#B5402A}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.hero-hint{font-size:13px;color:var(--muted)}

/* ---------- 目录网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.index-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  padding:28px 26px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  color:var(--text);
}
.index-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
  border-color:var(--line);
  color:var(--text);
}
.index-num{
  display:block;font-size:40px;font-weight:800;letter-spacing:.02em;
  line-height:1;color:var(--mint);margin-bottom:18px;
  transition:color .22s ease-out;
}
.index-card:hover .index-num{color:var(--coral)}
.index-card h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.5}
.index-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:20px}
.index-arrow{
  margin-top:auto;font-size:13px;font-weight:600;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
}
.index-card:hover .index-arrow{color:var(--coral)}
.index-arrow span{transition:transform .22s ease-out}
.index-card:hover .index-arrow span{transform:translateX(4px)}

/* ---------- 要点清单 ---------- */
.checklist-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
}
.checklist{
  position:relative;
  padding-left:30px;
  border-left:2px solid var(--line);
}
.check-item{
  position:relative;
  padding-bottom:26px;
  padding-left:34px;
}
.check-item:last-child{padding-bottom:0}
.check-item .tick{
  position:absolute;left:0;top:4px;
  width:22px;height:22px;border-radius:50%;
  background:var(--mint-soft);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);
}
.check-item .tick svg{width:12px;height:12px}
.check-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--muted);line-height:1.78;margin:0}
.quote-card{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--shadow-sm);
  align-self:start;
}
.quote-card .lbl{
  display:inline-flex;padding:4px 12px;border-radius:999px;
  background:var(--sand);color:var(--ink);font-size:12px;font-weight:600;margin-bottom:18px;
}
.quote-card h3{font-size:20px;margin-bottom:14px}
.quote-card p{font-size:15px;color:var(--muted);line-height:1.85}
.quote-card .divider{height:1px;background:var(--line);margin:22px 0}
.meta-line{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted)}
.meta-line span{display:inline-flex;align-items:center;gap:6px}
.dot{width:5px;height:5px;border-radius:50%;background:var(--mint);display:inline-block}

/* ---------- 图文块 ---------- */
.feature-split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.feature-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow-sm);
  background:var(--sand);
  aspect-ratio:16/10;
}
.feature-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.feature-body h2{margin-bottom:16px}
.feature-body p{font-size:15.5px;color:#3E4C4B;line-height:1.85}
.feature-list{margin-top:22px;display:grid;gap:12px}
.feature-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--muted);
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--peach);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:24px;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link:hover{color:var(--coral);border-bottom-color:var(--coral)}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.faq-acc .accordion-item:last-child{margin-bottom:0}
.faq-acc .accordion-button{
  background:var(--card);
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  padding:20px 56px 20px 24px;
  border:0;
  box-shadow:none;
  border-radius:var(--r-card);
  position:relative;
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--card);
  color:var(--ink);
  box-shadow:none;
  border-left:3px solid var(--coral);
  padding-left:21px;
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--coral);outline-offset:-4px}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;
  transform:translateY(-50%);background:none;transition:transform .2s ease-out;
  border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
  rotate:45deg;margin:0;border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  rotate:225deg;
  border-color:var(--coral);
}
.faq-acc .accordion-body{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
}
.faq-acc .accordion-body strong{color:var(--ink)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-deep) 100%);
  border-radius:0;
  padding:72px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:26px 26px;opacity:.05;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:rgba(255,255,255,.86);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr 1fr 1.15fr;gap:40px}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:800;margin-bottom:16px;
}
.footer-brand .brand-mark{color:var(--mint)}
.footer-brand .brand-mark svg{width:30px;height:30px}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:260px;margin:0}
.footer-col h4{
  position:relative;color:#fff;font-size:14px;font-weight:700;
  padding-bottom:12px;margin-bottom:18px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--coral);border-radius:2px;
}
.footer-links{display:grid;gap:11px}
.footer-links a{
  font-size:13px;color:rgba(255,255,255,.72);
  transition:color .2s ease-out,transform .2s ease-out;
  display:inline-block;
}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-note{font-size:13px;color:rgba(255,255,255,.6);line-height:1.75;margin-bottom:16px}
.subscribe{display:flex;gap:8px}
.subscribe input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);
  background:#fff;color:var(--text);font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.subscribe input::placeholder{color:#9AA5A4}
.subscribe input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(255,107,74,.28)}
.btn-coral{
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--coral);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s ease-out,transform .2s ease-out;
}
.btn-coral:hover{background:var(--coral-deep);transform:translateY(-2px)}
.privacy-note{font-size:12px;color:rgba(255,255,255,.45);margin:10px 0 0}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:40px}
  .nav-links a{padding:8px 10px;font-size:14px}
  .nav-links a::after{left:10px;right:10px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:66px}
  .section{padding:64px 0}
  .hero{padding:126px 0 60px;min-height:auto}
  .hero h1{font-size:34px}
  .section-title{font-size:26px}
  .checklist-wrap{grid-template-columns:1fr;gap:36px}
  .feature-split{grid-template-columns:1fr;gap:32px}
  .feature-media{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-inner h2{font-size:26px}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .section{padding:52px 0}
  .hero h1{font-size:30px}
  .hero-desc{font-size:15.5px}
  .grid-3{grid-template-columns:1fr;gap:16px}
  .index-card{padding:24px 22px 20px}
  .index-num{font-size:34px;margin-bottom:14px}
  .section-title{font-size:24px}
  .section-sub{font-size:14px;margin-bottom:28px}
  .faq-acc .accordion-button{font-size:16px;padding:18px 50px 18px 20px}
  .faq-acc .accordion-button:not(.collapsed){padding-left:17px}
  .cta-band{padding:52px 0}
  .cta-inner h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .brand-mark svg{width:28px;height:28px}
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .hero-hint{width:100%}
  .checklist{padding-left:20px}
  .check-item{padding-left:32px;padding-bottom:22px}
  .quote-card{padding:24px}
  .subscribe{flex-wrap:wrap}
  .subscribe .btn-coral{width:100%}
}

/* roulang page: category3 */
:root{
  --ink:#123B3A;
  --ink-deep:#0B2A29;
  --coral:#FF6B4A;
  --coral-dark:#E85B3B;
  --coral-soft:#FFE7E1;
  --coral-pale:#FFB4A0;
  --mint:#5FC9B8;
  --mint-soft:#E4F5F1;
  --bg:#F7F3EC;
  --sand:#EFE7DA;
  --card:#FFFFFF;
  --text:#1F2A2A;
  --muted:#5C6B6A;
  --line:#E2DCD1;
  --line-soft:#EDE6DA;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-card:0 4px 16px rgba(18,59,58,.06);
  --shadow-hover:0 14px 34px rgba(18,59,58,.12);
  --ease:220ms ease-out;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--coral);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--coral);
  outline-offset:2px;
  border-radius:4px;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;letter-spacing:.01em;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 6px 16px rgba(255,107,74,.24);}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,91,59,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(232,91,59,.22);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-plain{background:var(--card);color:var(--ink);border:1.5px solid var(--line);}
.btn-plain:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.text-link{font-weight:600;font-size:15px;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--coral);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}

/* ---------- 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--mint-soft);color:var(--ink);
}
.chip-coral{background:var(--coral-soft);color:#8E3A25;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(247,243,236,.56);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.45);
  box-shadow:0 6px 20px rgba(18,59,58,.08);
  transition:background 260ms ease-out,box-shadow 260ms ease-out;
}
.site-header.is-scrolled{
  background:rgba(247,243,236,.95);
  box-shadow:0 10px 26px rgba(18,59,58,.13);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;
  transition:height 260ms ease-out;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);flex-shrink:0;}
.brand-mark{width:34px;height:34px;color:var(--ink);display:block;flex-shrink:0;transition:width 260ms ease-out,height 260ms ease-out;}
.brand-mark svg{width:100%;height:100%;display:block;}
.site-header.is-scrolled .brand-mark{width:29px;height:29px;}
.brand-text{font-size:19px;letter-spacing:.01em;line-height:1;transition:font-size 260ms ease-out;white-space:nowrap;}
.site-header.is-scrolled .brand-text{font-size:17px;}
.brand-suffix{color:var(--coral);margin-left:2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 13px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);
  transition:color var(--ease),background var(--ease);
}
.nav-links a:hover{color:var(--coral);}
.nav-links a.active{font-weight:600;color:var(--ink);}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--coral);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:rgba(18,59,58,.07);color:var(--coral);}
.header-actions .btn{min-height:42px;padding:0 18px;font-size:14px;}
.burger{width:42px;height:42px;display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;border-radius:10px;}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform 220ms ease-out,opacity 180ms ease-out;}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 搜索条 */
.search-bar{
  max-height:0;overflow:hidden;
  transition:max-height 240ms ease-out,opacity 200ms ease-out;
  opacity:0;
  border-top:1px solid transparent;
}
.site-header.search-open .search-bar{max-height:96px;opacity:1;border-top-color:rgba(226,220,209,.7);}
.search-inner{display:flex;gap:10px;padding:14px 0 18px;}
.search-inner input{
  flex:1;min-height:46px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;
}
.search-inner input::placeholder{color:#9AA6A4;}
.search-inner input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,107,74,.28);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:890;
  background:var(--ink);color:#fff;
  padding:96px 24px 32px;
  display:none;flex-direction:column;
  overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  color:#fff;font-size:17px;line-height:52px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer a:last-of-type{border-bottom:none;}
.drawer a::after{content:"›";color:var(--coral-pale);font-size:22px;line-height:1;}
.drawer a.active{color:var(--coral-pale);font-weight:600;}
.drawer-cta{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn-primary{width:100%;}
.drawer-brand{margin-top:24px;font-size:14px;color:rgba(255,255,255,.6);letter-spacing:.02em;}
body.drawer-locked{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:24px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"›";color:#B9B0A1;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--coral);}
.crumbs .current{color:#8B9795;}

/* ---------- Hero ---------- */
.qa-hero{
  position:relative;
  margin-top:20px;
  padding:64px 0 58px;
  background-color:var(--bg);
  background-image:radial-gradient(circle,rgba(18,59,58,.075) 1px,transparent 1px);
  background-size:19px 19px;
  border-bottom:1px solid var(--line);
}
.qa-hero-inner{max-width:820px;}
.qa-hero .chip{margin-bottom:20px;}
.qa-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.24;
  margin-bottom:18px;
  letter-spacing:-.012em;
}
.qa-hero h1 .accent{color:var(--coral);}
.qa-hero p.lead{
  font-size:17px;color:var(--muted);max-width:660px;margin-bottom:26px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.hero-meta .chip{background:#fff;border:1px solid var(--line);color:var(--ink);}
.hero-meta .chip .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block;}

/* ---------- 主体布局 ---------- */
.qa-main{padding:64px 0 72px;}
.qa-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.section-head{margin-bottom:28px;}
.section-head h2{
  position:relative;font-size:32px;line-height:1.3;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--coral);
}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;}

.qa-list{border-top:1px solid var(--line);}
.qa-item{
  display:grid;grid-template-columns:58px minmax(0,1fr);gap:20px;
  padding:30px 0;border-bottom:1px solid var(--line);
  scroll-margin-top:110px;
}
.qa-q{
  font-size:30px;font-weight:800;line-height:1.1;letter-spacing:.02em;
  color:var(--mint);
}
.qa-body h3{
  font-size:18px;line-height:1.55;margin-bottom:10px;font-weight:600;
}
.qa-body p{font-size:15.5px;color:var(--muted);line-height:1.85;}
.qa-body .qa-tag{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  padding:22px;
}
.side-card h4{
  font-size:14px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-card h4::before{content:"";width:16px;height:2px;background:var(--coral);border-radius:2px;}
.side-thumb{border-radius:14px;overflow:hidden;margin-bottom:18px;background:var(--sand);}
.side-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.toc{display:flex;flex-direction:column;gap:2px;}
.toc a{
  position:relative;display:block;padding:8px 10px 8px 14px;
  font-size:14px;color:var(--muted);border-left:3px solid transparent;
  border-radius:0 8px 8px 0;line-height:1.55;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.toc a:hover,.toc a:focus-visible{
  color:var(--ink);background:var(--sand);border-left-color:var(--mint);
}
.toc a.active{color:var(--coral);border-left-color:var(--coral);background:var(--coral-soft);font-weight:600;}
.side-note{font-size:13px;color:var(--muted);line-height:1.75;}
.side-card .btn{width:100%;margin-top:14px;}

/* ---------- 帮助卡片 ---------- */
.help-band{padding:0 0 76px;}
.help-card{
  background:var(--sand);
  border:1px solid var(--line);
  border-radius:24px;
  padding:40px;
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;align-items:center;
}
.help-card h2{font-size:28px;line-height:1.35;margin-bottom:12px;}
.help-card p{color:var(--muted);font-size:15.5px;max-width:520px;}
.help-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.help-figure{border-radius:18px;overflow:hidden;background:#fff;border:6px solid #fff;box-shadow:var(--shadow-card);}
.help-figure img{width:100%;aspect-ratio:1/1;object-fit:cover;}

/* ---------- 相关分类 ---------- */
.related-band{padding:0 0 84px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#E0D6C4;}
.related-card .num{
  font-size:24px;font-weight:800;letter-spacing:.02em;color:var(--mint);line-height:1;
}
.related-card:hover .num{color:var(--coral);}
.related-card h3{font-size:17px;font-weight:600;}
.related-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.related-card .text-link{margin-top:auto;font-size:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:rgba(255,255,255,.8);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:19px;margin-bottom:14px;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{width:32px;height:32px;color:#fff;}
.footer-brand .brand-suffix{color:var(--coral-pale);}
.footer-desc{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);max-width:280px;}
.footer-col h4{
  font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:12px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--coral);border-radius:2px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:13px;color:rgba(255,255,255,.72);display:inline-block;
  transition:color var(--ease),transform var(--ease);
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-note{font-size:13px;color:rgba(255,255,255,.66);line-height:1.8;margin-bottom:14px;}
.subscribe{display:flex;gap:8px;}
.subscribe input{
  flex:1;min-width:0;min-height:44px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.2);background:#fff;color:var(--text);font-size:14px;
}
.subscribe input::placeholder{color:#9AA6A4;}
.subscribe input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(255,107,74,.35);}
.subscribe .btn-coral{
  min-height:44px;padding:0 18px;border-radius:var(--radius-btn);
  background:var(--coral);color:#fff;font-size:14px;font-weight:600;
  transition:background var(--ease),transform var(--ease);
}
.subscribe .btn-coral:hover{background:var(--coral-dark);transform:translateY(-1px);}
.privacy-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .wrap{padding:0 22px;}
  .header-inner{gap:18px;}
  .nav-links a{padding:8px 10px;font-size:14px;}
  .qa-hero{padding:52px 0 48px;}
  .qa-layout{grid-template-columns:minmax(0,1fr) 288px;gap:36px;}
  .section-head h2{font-size:28px;}
  .help-card{padding:34px;grid-template-columns:minmax(0,1fr) 240px;gap:30px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .header-actions .btn{display:none;}
  .qa-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .side-col{position:static;order:-1;}
  .toc{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 12px;
  }
  .side-thumb{display:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .help-card{grid-template-columns:minmax(0,1fr);gap:26px;}
  .help-figure{max-width:320px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px;}
  .qa-hero{padding:40px 0 38px;margin-top:12px;}
  .qa-hero p.lead{font-size:16px;}
  .qa-main{padding:44px 0 52px;}
  .qa-item{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:24px 0;}
  .qa-q{font-size:24px;}
  .qa-body h3{font-size:17px;}
  .section-head h2{font-size:24px;}
  .help-band{padding-bottom:52px;}
  .help-card{padding:26px;border-radius:20px;}
  .help-card h2{font-size:23px;}
  .related-band{padding-bottom:56px;}
  .related-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:34px;}
  .footer-desc{max-width:none;}
  .site-footer{padding-top:48px;}
}
@media (max-width:479.98px){
  .hero-meta{gap:8px;}
  .help-actions .btn,.help-actions .btn-ghost{width:100%;}
  .subscribe{flex-direction:column;}
  .subscribe .btn-coral{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .toc{grid-template-columns:minmax(0,1fr);}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink:#123B3A;
  --ink-deep:#0B2A29;
  --ink-soft:#1B5250;
  --coral:#FF6B4A;
  --coral-deep:#E85B3B;
  --coral-soft:#FFE7E1;
  --mint:#5FC9B8;
  --mint-soft:#E4F5F1;
  --bg:#F7F3EC;
  --sand:#EFE7DA;
  --card:#FFFFFF;
  --text:#1F2A2A;
  --muted:#5C6B6A;
  --line:#E2DCD1;
  --line-soft:#EDE6DA;
  --r-lg:18px;
  --r-md:12px;
  --shadow-card:0 4px 16px rgba(18,59,58,.06);
  --shadow-hover:0 14px 34px rgba(18,59,58,.12);
  --t:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--coral)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 6px 16px rgba(255,107,74,.24)}
.btn-coral:hover{background:var(--coral-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,74,.3)}
.btn-coral:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,107,74,.24)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.62)}
.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}

/* ---------- 徽章 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--mint-soft);color:var(--ink);
}
.badge-coral{background:var(--coral-soft);color:#B33A22}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:76px;
  background:rgba(247,243,236,.52);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.45);
  box-shadow:0 6px 20px rgba(18,59,58,.08);
  transition:height .26s ease-out,background .26s ease-out,box-shadow .26s ease-out;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(247,243,236,.94);
  box-shadow:0 10px 28px rgba(18,59,58,.14);
}
.nav-inner{
  display:flex;align-items:center;gap:18px;
  height:100%;max-width:1200px;margin:0 auto;padding:0 24px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;flex:none;
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  transition:font-size .26s ease-out,color var(--t);
}
.brand:hover{color:var(--ink)}
.brand-mark{width:30px;height:30px;flex:none;color:var(--ink);transition:width .26s ease-out,height .26s ease-out}
.brand-suffix{margin-left:2px}
.site-header.is-scrolled .brand{font-size:16px}
.site-header.is-scrolled .brand-mark{width:27px;height:27px}

.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-links a{
  position:relative;padding:8px 13px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);
  transition:color var(--t),background var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--coral);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-links a:hover{color:var(--coral)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{font-weight:600}

.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);background:rgba(255,255,255,.5);
  border:1px solid rgba(18,59,58,.12);
  transition:background var(--t),color var(--t),transform var(--t);
}
.icon-btn:hover{background:#fff;color:var(--coral);transform:translateY(-1px)}
.nav-cta{min-height:42px;padding:0 18px;font-size:14px;border-radius:999px}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid rgba(18,59,58,.14);background:rgba(255,255,255,.55);
}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .26s ease,opacity .2s ease}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 搜索下拉 */
.search-panel{
  position:absolute;top:100%;left:0;right:0;
  display:none;
  background:rgba(247,243,236,.97);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 14px 30px rgba(18,59,58,.1);
  padding:16px 0;
}
.search-panel.is-open{display:block}
.search-form{display:flex;gap:10px;max-width:720px;margin:0 auto;padding:0 24px}
.search-form input{
  flex:1;min-width:0;height:46px;padding:0 16px;
  border-radius:var(--r-md);border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;
}
.search-form input:focus{outline:2px solid var(--coral);outline-offset:2px;border-color:var(--ink)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:320;
  background:var(--ink);color:#fff;
  display:flex;flex-direction:column;overflow-y:auto;
  transform:translateX(100%);
  transition:transform .32s ease;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800}
.drawer-brand:hover{color:#fff}
.drawer-brand .brand-mark{width:28px;height:28px;color:#fff}
.drawer-close{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.24);color:#fff;
}
.drawer-close:hover{background:rgba(255,255,255,.12);color:#fff}
.drawer-nav{padding:10px 0}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 22px;font-size:16px;color:rgba(255,255,255,.88);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.drawer-nav a .arw{color:var(--coral);font-size:15px}
.drawer-foot{padding:22px;margin-top:auto}
.drawer-foot .btn{width:100%}
.drawer-brandline{margin-top:14px;text-align:center;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--bg);
  padding:132px 0 68px;
  border-bottom:1px solid var(--line);
}
.hero-media{
  position:absolute;top:0;right:0;bottom:0;width:46%;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  border-bottom-left-radius:42px;
}
.hero-media::before{
  content:"";position:absolute;inset:0;border-bottom-left-radius:42px;
  background:linear-gradient(90deg,var(--bg) 0%,rgba(247,243,236,.62) 40%,rgba(18,59,58,.2) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:0 24px}
.hero-copy{max-width:640px}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--coral)}
.crumbs .sep{color:#C9C1B3}
.crumbs .current{color:var(--ink);font-weight:600}
.hero h1{
  font-size:clamp(30px,3.6vw,50px);
  line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--ink);
  margin-top:16px;
}
.hero-sub{margin-top:16px;font-size:18px;font-weight:600;color:var(--ink-soft);line-height:1.6}
.hero-desc{margin-top:12px;max-width:560px;color:var(--muted);font-size:15.5px}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-sand{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--mint);margin-bottom:12px;
}
.section-head .kicker::before{content:"";width:20px;height:2px;background:var(--mint);border-radius:2px}
.block-title{
  position:relative;padding-left:18px;
  font-size:clamp(24px,2.4vw,32px);line-height:1.32;font-weight:700;color:var(--ink);
}
.block-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--coral);
}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px}

/* ---------- 图文交错 ---------- */
.feature-stack{padding-top:8px}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-bottom:1px solid var(--line);
}
.feature-row:last-child{border-bottom:0;padding-bottom:0}
.feature-row.reverse .feature-figure{order:2}
.feature-figure{
  margin:0;border-radius:var(--r-lg);overflow:hidden;
  background:var(--sand);border:1px solid var(--line-soft);
  box-shadow:var(--shadow-card);
  transition:box-shadow var(--t),transform var(--t);
}
.feature-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-row:hover .feature-figure{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.feature-copy h2{
  position:relative;padding-left:16px;
  font-size:clamp(21px,2vw,26px);line-height:1.38;font-weight:700;color:var(--ink);
}
.feature-copy h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--coral);
}
.feature-copy p{margin-top:16px;color:var(--muted);font-size:15.5px;line-height:1.85}
.feature-copy p strong{color:var(--ink);font-weight:700}
.feature-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:24px;
  padding:10px 20px;border-radius:var(--r-md);
  font-size:14.5px;font-weight:600;color:var(--ink);
  border:1.5px solid var(--ink);
  transition:background var(--t),color var(--t),transform var(--t);
}
.feature-link:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.feature-link .arw{transition:transform var(--t)}
.feature-link:hover .arw{transform:translateX(3px)}

/* ---------- 功能速览 ---------- */
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.strip-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--shadow-card);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.strip-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:#E4D9C7}
.strip-card .num{display:block;font-size:14px;font-weight:800;letter-spacing:.02em;color:var(--mint)}
.strip-card h3{margin-top:10px;font-size:17px;font-weight:600;color:var(--ink)}
.strip-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:var(--card);box-shadow:var(--shadow-card);margin-bottom:12px;
  transition:box-shadow var(--t);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--coral)}
.faq-accordion .accordion-item:hover{box-shadow:var(--shadow-hover)}
.faq-accordion .accordion-button{
  position:relative;display:block;width:100%;
  padding:18px 52px 18px 20px;
  background:var(--card);color:var(--ink);
  font-size:16.5px;font-weight:600;line-height:1.6;text-align:left;
  border-radius:var(--r-lg);
  box-shadow:none;
}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;line-height:1;color:var(--coral);
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--ink);background:var(--card)}
.faq-accordion .accordion-button:not(.collapsed)::before{content:"−"}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--coral);outline-offset:-2px}
.faq-accordion .accordion-body{
  padding:0 20px 20px;font-size:15px;color:var(--muted);line-height:1.85;
}
.faq-accordion .accordion-body strong{color:var(--ink)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:#fff;padding:60px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:14px 14px;opacity:.6;pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;
  border-radius:50%;border:1px solid rgba(95,201,184,.22);pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-copy{max-width:620px}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;color:#fff}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.75);font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:48px}
.footer-col h4{
  position:relative;margin:0 0 18px;padding-bottom:10px;
  font-size:14px;font-weight:700;color:#fff;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--coral);border-radius:2px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{width:30px;height:30px;color:#fff}
.footer-desc{margin-top:14px;font-size:13px;line-height:1.85;color:rgba(255,255,255,.68);max-width:300px}
.footer-note{margin:0 0 4px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.68)}
.footer-links{display:grid;gap:10px}
.footer-links a{
  display:inline-block;font-size:13px;color:rgba(255,255,255,.72);
  transition:color var(--t),transform var(--t);
}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.subscribe{display:flex;gap:8px;margin-top:16px}
.subscribe input{
  flex:1;min-width:0;height:44px;padding:0 14px;
  border-radius:var(--r-md);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.96);color:var(--ink);font-size:14px;
}
.subscribe input:focus{outline:2px solid var(--coral);outline-offset:2px;border-color:var(--ink)}
.subscribe .btn-coral{height:44px;padding:0 18px;font-size:14px;border-radius:var(--r-md);box-shadow:none}
.privacy-note{margin-top:10px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .wrap{padding:0 22px}
  .nav-inner{padding:0 22px;gap:12px}
  .nav-links a{padding:8px 10px;font-size:14.5px}
  .nav-links a::after{left:10px;right:10px}
  .feature-row{gap:40px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .burger{display:flex}
  .nav-cta{display:none}
  .hero{padding:118px 0 56px}
  .hero-media{width:100%;opacity:.16;border-bottom-left-radius:0}
  .hero-media::before{border-bottom-left-radius:0;background:linear-gradient(90deg,var(--bg) 0%,rgba(247,243,236,.75) 60%,rgba(247,243,236,.5) 100%)}
  .hero-copy{max-width:100%}
  .hero h1{font-size:clamp(28px,5vw,40px)}
  .section{padding:64px 0}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:44px 0}
  .feature-row.reverse .feature-figure{order:0}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .search-form{max-width:100%}
}
@media (max-width:575px){
  .wrap{padding:0 18px}
  .nav-inner{padding:0 18px}
  .brand{font-size:15px;gap:8px}
  .brand-mark{width:26px;height:26px}
  .site-header.is-scrolled .brand{font-size:15px}
  .hero{padding:108px 0 44px}
  .hero-sub{font-size:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .section{padding:48px 0}
  .strip-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .subscribe{flex-wrap:wrap}
  .subscribe input{width:100%;flex:1 1 100%}
  .subscribe .btn-coral{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .feature-copy h2{font-size:20px}
}

/* roulang page: category4 */
:root{
  --ink:#123B3A;
  --ink-deep:#0B2A29;
  --coral:#FF6B4A;
  --coral-deep:#E85B3B;
  --coral-soft:#FFB4A0;
  --coral-light:#FFE7E1;
  --mint:#5FC9B8;
  --mint-light:#E4F5F1;
  --bg:#F7F3EC;
  --bg-alt:#EFE7DA;
  --card:#FFFFFF;
  --text:#1F2A2A;
  --muted:#5C6B6A;
  --line:#E2DCD1;
  --line-soft:#EDE6DA;
  --radius-card:18px;
  --radius-img:16px;
  --radius-btn:12px;
  --shadow-static:0 4px 16px rgba(18,59,58,.06);
  --shadow-hover:0 14px 34px rgba(18,59,58,.12);
  --ease:220ms ease-out;
  --space-section:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--coral);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* ---------- 按钮 ---------- */
.btn-primary,
.btn-outline,
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;transition:all var(--ease);
}
.btn-primary{background:var(--coral);color:#fff;border-color:var(--coral);}
.btn-primary:hover{background:var(--coral-deep);border-color:var(--coral-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,91,59,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);}
.text-link:hover{color:var(--coral);text-decoration:underline;text-underline-offset:4px;}

/* ---------- 徽章 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.7;
  background:var(--mint-light);color:var(--ink);white-space:nowrap;
}
.badge-pill.is-coral{background:var(--coral-light);color:#B33A21;}
.badge-pill.is-line{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:500;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(247,243,236,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.45);
  box-shadow:0 6px 20px rgba(18,59,58,.08);
  transition:background 260ms ease-out,box-shadow 260ms ease-out,height 260ms ease-out;
}
.site-header.is-scrolled{
  background:rgba(247,243,236,.94);
  box-shadow:0 8px 26px rgba(18,59,58,.14);
}
.nav-inner{
  display:flex;align-items:center;gap:24px;
  height:76px;transition:height 260ms ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.01em;
  transition:font-size 260ms ease-out;
  flex-shrink:0;
}
.site-header.is-scrolled .logo{font-size:17px;}
.logo:hover{color:var(--ink);}
.logo .brand-mark{
  width:34px;height:34px;display:inline-flex;color:var(--ink);
  flex-shrink:0;
}
.logo .brand-mark svg{width:100%;height:100%;}
.logo .brand-suffix{font-weight:700;margin-left:1px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 12px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--coral);border-radius:2px;opacity:0;transform:scaleX(.4);
  transition:opacity var(--ease),transform var(--ease);
}
.nav-links a:hover{color:var(--coral);}
.nav-links a.active{font-weight:700;color:var(--ink);}
.nav-links a.active::after{opacity:1;transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid transparent;
  background:transparent;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{background:rgba(18,59,58,.07);color:var(--coral);}
.nav-cta{min-height:42px;padding:0 18px;font-size:14px;}
.menu-btn{
  display:none;width:44px;height:44px;border:0;background:transparent;
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.menu-btn span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:all 220ms ease-out;}
.menu-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-btn.is-open span:nth-child(2){opacity:0;}
.menu-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.search-panel{
  max-height:0;overflow:hidden;transition:max-height 260ms ease-out;
  background:rgba(247,243,236,.96);
  border-top:1px solid rgba(226,220,209,0);
}
.search-panel.is-open{max-height:120px;border-top-color:var(--line);}
.search-form{display:flex;gap:10px;padding:14px 0 18px;}
.search-form input{
  flex:1;height:46px;padding:0 16px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form input::placeholder{color:#9AA6A5;}
.search-form input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,107,74,.22);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1050;background:var(--ink);color:#fff;
  display:flex;flex-direction:column;padding:24px;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform 300ms ease-out,opacity 300ms ease-out,visibility 300ms;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:15px;font-weight:800;}
.drawer-brand .brand-mark{width:30px;height:30px;display:inline-flex;color:#fff;}
.drawer-brand .brand-mark svg{width:100%;height:100%;}
.drawer-close{width:44px;height:44px;border:1px solid rgba(255,255,255,.3);border-radius:12px;background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;color:#fff;font-size:16px;border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a::after{content:"→";color:var(--coral-soft);font-size:14px;}
.drawer-nav a.active{color:var(--coral-soft);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:14px;}
.drawer-foot .btn-primary{width:100%;}
.drawer-kw{font-size:12px;color:rgba(255,255,255,.6);text-align:center;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb-bar li{display:inline-flex;align-items:center;gap:8px;}
.crumb-bar li+li::before{content:"›";color:#B9B2A5;}
.crumb-bar a{color:var(--muted);}
.crumb-bar a:hover{color:var(--coral);}
.crumb-bar .current{color:var(--ink);font-weight:600;}

/* ---------- Hero（珊瑚浅底条带） ---------- */
.hero-safety{
  background:var(--coral-light);
  border-bottom:1px solid #FFD5CB;
  padding:56px 0 60px;
  position:relative;overflow:hidden;
}
.hero-safety::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(18,59,58,.5) 1px,transparent 1px);
  background-size:18px 18px;opacity:.05;pointer-events:none;
}
.hero-safety .hero-inner{position:relative;max-width:820px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:#B33A21;
  padding:4px 12px;border-radius:999px;background:#fff;border:1px solid #FFCDBF;
  margin-bottom:18px;
}
.hero-safety h1{
  font-size:48px;line-height:1.22;letter-spacing:-.02em;color:var(--ink);
  margin-bottom:16px;
}
.hero-safety h1 .kw{color:var(--ink);}
.hero-safety .hero-sub{font-size:17px;color:#5A4038;max-width:640px;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head h2{
  font-size:32px;line-height:1.3;position:relative;padding-left:16px;margin-bottom:12px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--coral);
}
.section-head p{font-size:15px;color:var(--muted);}

/* ---------- 编号清单 ---------- */
.check-list{display:grid;gap:18px;}
.check-item{
  display:grid;grid-template-columns:78px 1fr;gap:22px;
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--radius-card);
  padding:26px 28px;box-shadow:var(--shadow-static);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#FFD5CB;}
.check-num{
  font-size:34px;font-weight:800;letter-spacing:.02em;color:var(--mint);
  line-height:1;padding-top:4px;
}
.check-item.is-focus .check-num{color:var(--coral);}
.check-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.check-head h3{font-size:20px;font-weight:600;color:var(--ink);}
.check-body p{font-size:15.5px;line-height:1.85;color:#3A4645;margin:0;}
.check-body p+p{margin-top:10px;}

/* ---------- 深色通栏提示条 ---------- */
.dark-strip{
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:#fff;position:relative;overflow:hidden;
  padding:44px 0;
}
.dark-strip::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 0 0 40px rgba(255,255,255,.03),0 0 0 80px rgba(255,255,255,.02);
  pointer-events:none;
}
.dark-strip .strip-inner{display:flex;align-items:center;gap:24px;flex-wrap:wrap;position:relative;}
.strip-icon{
  width:56px;height:56px;border-radius:16px;background:rgba(255,107,74,.16);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--coral-soft);
}
.strip-text{flex:1;min-width:240px;}
.strip-text h2{color:#fff;font-size:22px;margin-bottom:6px;}
.strip-text p{color:rgba(255,255,255,.78);font-size:15px;margin:0;}

/* ---------- 图文核对 ---------- */
.check-visual{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
.check-visual figure{margin:0;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-static);border:1px solid var(--line-soft);background:var(--bg-alt);}
.check-visual figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.check-visual h2{font-size:30px;line-height:1.32;margin-bottom:16px;position:relative;padding-left:16px;}
.check-visual h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--coral);}
.check-visual p{font-size:15.5px;color:#3A4645;}
.mini-list{margin:20px 0 24px;display:grid;gap:12px;}
.mini-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#3A4645;}
.mini-list .tick{
  width:22px;height:22px;flex-shrink:0;border-radius:50%;background:var(--mint-light);
  color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:3px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-static);overflow:hidden;
  border-left:3px solid transparent;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-left-color:var(--coral);box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--coral);line-height:1;flex-shrink:0;
  transition:transform var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(0deg);}
.faq-item summary:hover{color:var(--coral);}
.faq-body{padding:0 24px 22px;font-size:15.5px;color:#3A4645;line-height:1.85;}

/* ---------- 收尾 CTA ---------- */
.cta-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:22px;
  padding:40px;box-shadow:var(--shadow-static);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-card h2{font-size:26px;margin-bottom:8px;}
.cta-card p{color:var(--muted);font-size:15px;margin:0;}
.cta-card .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;margin-bottom:14px;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{width:34px;height:34px;display:inline-flex;color:#fff;flex-shrink:0;}
.footer-brand .brand-mark svg{width:100%;height:100%;}
.footer-brand .brand-suffix{font-weight:700;}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.68);max-width:280px;}
.footer-col h4{
  font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--coral);border-radius:2px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.72);display:inline-block;transition:all var(--ease);}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-note{font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:14px;}
.subscribe{display:flex;gap:8px;margin-bottom:10px;}
.subscribe input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;transition:border-color var(--ease),box-shadow var(--ease);
}
.subscribe input::placeholder{color:rgba(255,255,255,.5);}
.subscribe input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,107,74,.35);}
.btn-coral{
  height:44px;padding:0 18px;border:0;border-radius:12px;background:var(--coral);color:#fff;
  font-size:14px;font-weight:600;cursor:pointer;transition:all var(--ease);flex-shrink:0;
}
.btn-coral:hover{background:var(--coral-deep);transform:translateY(-1px);}
.privacy-note{font-size:12px;color:rgba(255,255,255,.5);margin:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links a{padding:0 9px;font-size:14px;}
  .hero-safety h1{font-size:42px;}
  .section-head h2{font-size:29px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .nav-cta{display:none;}
  .hero-safety{padding:44px 0 48px;}
  .hero-safety h1{font-size:36px;}
  .check-visual{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .check-item{grid-template-columns:62px 1fr;gap:16px;padding:22px;}
  .check-num{font-size:28px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px;}
  :root{--space-section:44px;}
  .site-header .nav-inner{height:64px;}
  .logo{font-size:15px;}
  .site-header.is-scrolled .logo{font-size:15px;}
  .logo .brand-mark{width:28px;height:28px;}
  .hero-safety h1{font-size:30px;line-height:1.28;}
  .hero-safety .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:24px;}
  .check-visual h2{font-size:24px;}
  .check-item{grid-template-columns:1fr;gap:10px;padding:20px 18px;}
  .check-num{font-size:24px;}
  .strip-text h2{font-size:20px;}
  .cta-card{padding:26px 20px;}
  .cta-card h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-primary,.cta-actions .btn-outline{width:100%;}
  .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .faq-item summary{font-size:16px;padding:18px 18px;}
  .faq-body{padding:0 18px 18px;}
  .search-form{flex-direction:column;}
  .search-form .btn-primary{width:100%;}
}
@media (max-width:479.98px){
  .hero-safety h1{font-size:27px;}
  .badge-pill{font-size:11.5px;}
  .check-item{box-shadow:none;border:1px solid var(--line);}
}

/* roulang page: category5 */
:root{
  --ink:#123B3A;
  --ink-deep:#0B2A29;
  --coral:#FF6B4A;
  --coral-deep:#E85B3B;
  --coral-soft:#FFE7E1;
  --mint:#5FC9B8;
  --mint-soft:#E4F5F1;
  --bg:#F7F3EC;
  --sand:#EFE7DA;
  --card:#FFFFFF;
  --text:#1F2A2A;
  --muted:#5C6B6A;
  --line:#E2DCD1;
  --line-soft:#EDE6DA;
  --r-lg:18px;
  --r-md:12px;
  --shadow-1:0 4px 16px rgba(18,59,58,.06);
  --shadow-2:0 14px 34px rgba(18,59,58,.12);
  --ease:cubic-bezier(.25,.6,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans GB","PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--coral)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(247,243,236,.52);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.45);
  box-shadow:0 6px 20px rgba(18,59,58,.08);
  transition:background .26s var(--ease),box-shadow .26s var(--ease);
}
.site-header.is-scrolled{background:rgba(247,243,236,.94);box-shadow:0 10px 28px rgba(18,59,58,.14)}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .26s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:-.01em;transition:font-size .26s var(--ease)}
.brand:hover{color:var(--ink)}
.brand-mark{width:32px;height:32px;display:inline-flex;color:var(--ink);transition:width .26s var(--ease),height .26s var(--ease)}
.brand-mark svg{width:100%;height:100%}
.brand-suffix{margin-left:4px;color:var(--ink)}
.site-header.is-scrolled .brand{font-size:17px}
.site-header.is-scrolled .brand-mark{width:28px;height:28px}
.nav-links{display:flex;align-items:center;gap:26px;margin:0 auto}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--coral);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-links a:hover{color:var(--coral)}
.nav-links a.active{font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(18,59,58,.16);
  background:rgba(255,255,255,.6);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{background:#fff;border-color:var(--ink);color:var(--coral)}
.btn-coral{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:0;border-radius:12px;
  background:var(--coral);color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:0 6px 16px rgba(255,107,74,.24);
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-coral:hover{background:var(--coral-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,107,74,.3)}
.btn-coral:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,107,74,.22)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:12px;
  border:1.5px solid var(--ink);background:transparent;color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.header-cta{min-height:40px;padding:0 18px;font-size:14px}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(18,59,58,.16);border-radius:12px;
  background:rgba(255,255,255,.6);position:relative;cursor:pointer;transition:background .2s var(--ease);
}
.menu-toggle span{position:absolute;left:11px;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.menu-toggle span:nth-child(1){top:15px}
.menu-toggle span:nth-child(2){top:21px}
.menu-toggle span:nth-child(3){top:27px}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.search-panel{max-height:0;overflow:hidden;border-top:1px solid transparent;transition:max-height .26s var(--ease),border-color .26s var(--ease)}
.search-panel.is-open{max-height:110px;border-top-color:rgba(18,59,58,.08)}
.search-inner{display:flex;gap:12px;padding:14px 0}
.search-inner input{
  flex:1;min-width:0;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;padding:0 16px;font-size:15px;color:var(--text);
}
.search-inner input::placeholder{color:#9AA6A4}
.search-inner input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(255,107,74,.18)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:1200;background:var(--ink);color:#fff;
  display:flex;flex-direction:column;padding:20px 22px 28px;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .3s var(--ease),opacity .3s var(--ease),visibility .3s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.16)}
.drawer-brand{color:#fff;font-size:17px}
.drawer-brand:hover{color:#fff}
.drawer-brand .brand-mark{color:#fff}
.drawer-brand .brand-suffix{color:rgba(255,255,255,.86)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.drawer-nav{display:flex;flex-direction:column;margin:10px 0 24px}
.drawer-nav a{
  color:#fff;font-size:17px;line-height:52px;position:relative;
  border-bottom:1px solid rgba(255,255,255,.12);padding-right:24px;
}
.drawer-nav a::after{content:"›";position:absolute;right:0;top:0;color:rgba(255,255,255,.45);font-size:18px}
.drawer-nav a:hover{color:var(--coral-soft)}
.drawer-nav a.active{color:#fff;font-weight:600}
.drawer-nav a.active::before{content:"";position:absolute;left:-22px;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--coral)}
.drawer-cta{width:100%;min-height:48px}

/* ---------- hero ---------- */
.hero-center{
  position:relative;margin-top:-76px;padding:calc(76px + 30px) 0 76px;text-align:center;
  background:
    radial-gradient(rgba(18,59,58,.055) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(180deg,#FBF8F2 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.hero-center::after{
  content:"";position:absolute;left:50%;bottom:-150px;width:640px;height:300px;
  transform:translateX(-50%);border-radius:50%;
  border:1px solid rgba(95,201,184,.32);pointer-events:none;
}
.hero-wrap{position:relative;z-index:1}
.breadcrumb-nav{margin-bottom:26px;text-align:left}
.breadcrumb-list{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb-list li+li::before{content:"›";margin-right:8px;color:#BDB4A5}
.breadcrumb-list a{color:var(--muted)}
.breadcrumb-list a:hover{color:var(--coral)}
.breadcrumb-list li[aria-current] span,.breadcrumb-list li[aria-current]{color:var(--ink);font-weight:500}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--mint-soft);color:var(--ink);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.hero-center h1{
  font-size:clamp(28px,4vw,46px);line-height:1.28;font-weight:700;
  max-width:860px;margin:18px auto 0;
}
.hero-lead{max-width:640px;margin:18px auto 0;color:var(--muted);font-size:16.5px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.hero-badges li{
  padding:5px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:var(--ink);box-shadow:var(--shadow-1);
}
.hero-badges li.is-coral{background:var(--coral-soft);border-color:transparent;color:#A8391F}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section-sand{background:var(--sand);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{margin-bottom:34px;max-width:720px}
.h2-bar{position:relative;padding-left:16px;font-size:32px;line-height:1.32;font-weight:700}
.h2-bar::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--coral)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- overview ---------- */
.overview-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.ticket{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.ticket:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.ticket-media{aspect-ratio:16/10;background:var(--sand);overflow:hidden}
.ticket-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-lg) var(--r-lg) 0 0}
.ticket-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.ticket-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge-mint{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--mint-soft);color:var(--ink);font-size:12px;font-weight:600}
.badge-coral{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--coral-soft);color:#A8391F;font-size:12px;font-weight:600}
.ticket-body h2{font-size:24px;line-height:1.4;font-weight:700}
.ticket-body p{color:var(--muted);font-size:15px;line-height:1.85}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);margin-top:auto}
.link-arrow::after{content:"→";transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--coral);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.link-arrow:hover::after{transform:translateX(3px)}
.facts{display:grid;gap:16px}
.fact{
  background:var(--card);border:1px solid var(--line-soft);border-radius:16px;
  padding:20px 22px;display:flex;align-items:center;gap:18px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.fact:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.fact-num{font-size:26px;font-weight:800;letter-spacing:.02em;color:var(--mint);min-width:82px;line-height:1.1}
.fact:nth-child(2) .fact-num{color:var(--coral)}
.fact:nth-child(3) .fact-num{color:var(--ink)}
.fact-body h3{font-size:16px;font-weight:600;margin-bottom:4px}
.fact-body p{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:36px;margin-top:6px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--mint) 0%,rgba(95,201,184,.18) 100%);
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:-36px;top:22px;width:20px;height:20px;border-radius:50%;
  background:var(--card);border:2px solid var(--mint);transition:all .22s var(--ease);
}
.tl-item.is-current .tl-dot{background:var(--coral);border-color:var(--coral);box-shadow:0 0 0 5px rgba(255,107,74,.16)}
.tl-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DED5C6}
.tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.tl-date{font-size:13px;color:var(--muted);letter-spacing:.02em}
.tl-card h3{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:8px;transition:color .2s var(--ease)}
.tl-card:hover h3{color:var(--coral)}
.tl-card p{font-size:15px;color:var(--muted);line-height:1.85}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.tl-scope{font-size:12.5px;color:#7C8A88}

/* ---------- notice band ---------- */
.notice-band{
  position:relative;overflow:hidden;border-radius:22px;padding:36px 40px;color:#fff;
  background-image:linear-gradient(100deg,rgba(18,59,58,.96) 0%,rgba(11,42,41,.94) 60%,rgba(11,42,41,.86) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
}
.notice-icon{
  width:52px;height:52px;border-radius:16px;background:rgba(255,107,74,.18);
  border:1px solid rgba(255,107,74,.45);display:flex;align-items:center;justify-content:center;
  color:var(--coral);flex:0 0 auto;
}
.notice-icon svg{width:24px;height:24px}
.notice-text{flex:1 1 380px;min-width:0}
.notice-text h2{color:#fff;font-size:22px;line-height:1.45;font-weight:700}
.notice-text p{color:rgba(255,255,255,.74);font-size:14.5px;line-height:1.85;margin-top:8px}
.notice-band .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.notice-band .btn-ghost:hover{background:#fff;color:var(--ink)}

/* ---------- faq ---------- */
.faq-accordion{display:grid;gap:12px}
.faq-accordion .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-accordion .accordion-button{
  width:100%;display:flex;align-items:center;gap:12px;text-align:left;
  background:var(--card);color:var(--ink);font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 22px;border:0;border-radius:var(--r-lg);box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--card);color:var(--ink);box-shadow:inset 3px 0 0 var(--coral);
}
.faq-accordion .accordion-button:focus{box-shadow:inset 3px 0 0 var(--coral);border-color:transparent}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--coral);outline-offset:2px}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button::before{
  content:"+";order:2;margin-left:auto;font-size:22px;font-weight:400;
  color:var(--coral);line-height:1;
}
.faq-accordion .accordion-button:not(.collapsed)::before{content:"−"}
.faq-accordion .accordion-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.9}

/* ---------- final cta ---------- */
.cta-card{
  background:var(--card);border:1px solid var(--line);border-radius:22px;
  padding:46px 40px;text-align:center;box-shadow:var(--shadow-1);
}
.cta-card h2{font-size:28px;line-height:1.4;font-weight:700}
.cta-card p{max-width:560px;margin:14px auto 0;color:var(--muted);font-size:15px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.text-line{display:inline-block;margin-top:20px;font-size:13.5px;color:var(--muted);border-bottom:1px solid transparent}
.text-line:hover{color:var(--coral);border-bottom-color:var(--coral)}

/* ---------- footer ---------- */
.site-footer{background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);color:rgba(255,255,255,.72);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:19px}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{width:30px;height:30px;color:#fff}
.footer-brand .brand-suffix{color:rgba(255,255,255,.86);margin-left:4px}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:290px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--coral)}
.footer-links{list-style:none;display:grid;gap:10px}
.footer-links a{font-size:13px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-note{font-size:13px;color:rgba(255,255,255,.62);line-height:1.7;margin-bottom:14px}
.subscribe{display:flex;gap:8px}
.subscribe input{
  flex:1;min-width:0;height:42px;border-radius:12px;padding:0 12px;font-size:13px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;
}
.subscribe input::placeholder{color:rgba(255,255,255,.5)}
.subscribe input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,107,74,.3)}
.subscribe .btn-coral{min-height:42px;padding:0 16px;font-size:13px;box-shadow:none}
.privacy-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{padding:0 22px}
  .nav-links{gap:20px}
  .nav-links a{font-size:14.5px}
  .h2-bar{font-size:29px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .menu-toggle{display:block}
  .header-cta{display:none}
  .section{padding:64px 0}
  .overview-grid{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr}
  .fact:first-child{grid-column:1 / -1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-card{padding:38px 26px}
}
@media (max-width:767px){
  .header-inner{height:68px;gap:12px}
  .site-header.is-scrolled .header-inner{height:60px}
  .hero-center{margin-top:-68px;padding:calc(68px + 22px) 0 54px}
  .section{padding:52px 0}
  .h2-bar{font-size:24px;padding-left:14px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:12px}
  .fact-num{min-width:70px;font-size:22px}
  .facts{grid-template-columns:1fr}
  .fact:first-child{grid-column:auto}
  .timeline{padding-left:28px}
  .tl-dot{left:-28px;top:20px;width:16px;height:16px}
  .timeline::before{left:7px}
  .tl-card{padding:18px 18px}
  .tl-card h3{font-size:17px}
  .notice-band{padding:26px 22px;gap:18px}
  .notice-text h2{font-size:19px}
  .cta-card h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;gap:8px}
  .search-panel.is-open{max-height:130px}
  .search-inner{flex-wrap:wrap}
}
@media (max-width:479px){
  .wrap{padding:0 18px}
  .hero-center h1{font-size:28px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn-coral,.hero-actions .btn-ghost{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn-coral,.cta-actions .btn-ghost{width:100%}
  .fact{box-shadow:none;border-color:var(--line)}
  .tl-card{box-shadow:none;border-color:var(--line)}
  .ticket{box-shadow:none;border-color:var(--line)}
  .subscribe{flex-wrap:wrap}
  .subscribe .btn-coral{width:100%}
}