/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#D8452B;
  --c-primary-deep:#C23A22;
  --c-primary-dark:#9E2C17;
  --c-gold:#E8A03A;
  --c-gold-soft:#FBE7C6;
  --c-teal:#1F5F52;
  --c-bg:#FDF8F3;
  --c-bg-2:#F7EFE7;
  --c-card:#FFFFFF;
  --t-main:#1B1512;
  --t-sub:#5C5149;
  --t-mute:#8C817A;
  --line:#EADFD4;
  --ring:rgba(216,69,43,.18);
  --grad-brand:linear-gradient(120deg,#D8452B 0%,#EE7B2E 55%,#E8A03A 100%);
  --grad-dark:linear-gradient(140deg,#2A1A14 0%,#4A2A1C 100%);
  --sh-1:0 1px 2px rgba(60,32,18,.05),0 2px 8px rgba(60,32,18,.05);
  --sh-2:0 6px 20px rgba(60,32,18,.08);
  --sh-3:0 16px 40px rgba(60,32,18,.12);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --r-pill:999px;
  --section:88px;
  --container:1200px;
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t-main);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:0 0 0 4px var(--ring);border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* ============ 容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:var(--section) 0}
.section-tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.sec-head p{color:var(--t-sub);font-size:15px;margin-top:8px;max-width:52em}
.sec-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;padding-bottom:2px}
.sec-link:hover{border-bottom-color:var(--c-primary)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary-dark);background:var(--c-gold-soft);border-radius:var(--r-pill);padding:6px 14px;letter-spacing:.02em}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(253,248,243,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(253,248,243,.94)}
.nav{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 4px 12px rgba(216,69,43,.28);
}
.brand-text{display:flex;align-items:baseline;gap:5px;line-height:1}
.brand-name{font-size:17px;font-weight:800;color:var(--t-main);letter-spacing:-.01em}
.brand-sub{font-size:11px;font-weight:600;color:var(--c-primary);background:var(--c-gold-soft);padding:3px 6px;border-radius:6px}
.nav-list{display:flex;align-items:center;gap:26px;margin-left:14px}
.nav-list a{
  position:relative;font-size:15px;font-weight:500;color:var(--t-sub);
  padding:6px 0;white-space:nowrap;
}
.nav-list a:hover{color:var(--t-main)}
.nav-list a.active{color:var(--c-primary);font-weight:600}
.nav-list a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  position:relative;display:flex;align-items:center;gap:8px;
  height:40px;width:220px;padding:0 10px 0 14px;
  background:var(--c-bg-2);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:width .25s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.nav-search i{font-size:13px;color:var(--t-mute)}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--t-main)}
.nav-search input::placeholder{color:var(--t-mute)}
.nav-search .kbd{
  font-size:11px;color:var(--t-sub);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;flex-shrink:0;
}
.nav-search:focus-within{
  width:300px;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 4px var(--ring);
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--t-sub);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(232,160,58,.10)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--t-main);place-items:center;font-size:16px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;line-height:1;border-radius:var(--r-pill);
  padding:0 26px;height:48px;transition:transform .2s ease,box-shadow .2s ease,background .25s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(216,69,43,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);background:linear-gradient(120deg,#C23A22 0%,#EE7B2E 50%,#E8A03A 100%)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--t-main);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);background:rgba(232,160,58,.10);transform:translateY(-1px)}
.btn-lg{height:52px;font-size:16px;padding:0 32px}
.btn-sm{height:40px;font-size:14px;padding:0 20px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{background:#EFE7DF;color:#A99C92;box-shadow:none;cursor:not-allowed;transform:none;border-color:transparent}
.nav-cta{height:40px;font-size:14px;padding:0 20px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(42,26,20,.86) 0%,rgba(74,42,28,.72) 46%,rgba(216,69,43,.55) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px 420px at 88% 8%,rgba(232,160,58,.28),transparent 62%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;min-height:520px;padding:72px 0 80px}
.hero h1{
  font-size:clamp(32px,5vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  max-width:16em;
}
.hero-sub{margin-top:20px;font-size:18px;line-height:1.8;color:rgba(255,255,255,.88);max-width:34em}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-actions .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.38);color:#fff;backdrop-filter:blur(6px)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.22);border-color:#fff;color:#fff}
.hero-note{margin-top:22px;font-size:13px;color:rgba(255,255,255,.72);display:flex;flex-wrap:wrap;gap:8px 20px}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note i{color:var(--c-gold)}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--r-l);box-shadow:var(--sh-3);aspect-ratio:16/10;width:100%;object-fit:cover;border:1px solid rgba(255,255,255,.22)}
.float-card{
  position:absolute;right:-14px;bottom:-24px;width:220px;
  background:#fff;color:var(--t-main);border-radius:var(--r-m);
  padding:16px 18px;box-shadow:var(--sh-3);transform:rotate(-2deg);
  border:1px solid var(--line);
}
.float-card .fc-num{font-size:28px;font-weight:800;color:var(--c-primary);line-height:1.1}
.float-card .fc-txt{font-size:12px;color:var(--t-mute);margin-top:4px;line-height:1.6}

/* ============ 徽章条 ============ */
.badge-strip{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:28px 32px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:-46px;position:relative;z-index:5;
}
.badge-item{display:flex;gap:14px;align-items:flex-start}
.badge-bar{width:3px;border-radius:3px;background:var(--c-primary);align-self:stretch;min-height:44px;flex-shrink:0}
.badge-item:nth-child(even) .badge-bar{background:var(--c-gold)}
.badge-num{font-size:30px;font-weight:800;color:var(--t-main);line-height:1.1;letter-spacing:-.02em}
.badge-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--c-primary);margin-left:4px}
.badge-txt{font-size:12.5px;color:var(--t-mute);line-height:1.65;margin-top:6px}

/* ============ 轮播 ============ */
.showcase-card{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-l);
  padding:18px;box-shadow:var(--sh-2);position:relative;
}
.showcase-card::before{
  content:"";position:absolute;inset:8px;border-radius:18px;border:1px solid rgba(216,69,43,.14);pointer-events:none;
}
.showcase-stage{position:relative;border-radius:18px;overflow:hidden;aspect-ratio:16/9;background:var(--c-bg-2)}
.showcase-stage img{width:100%;height:100%;object-fit:cover;transition:opacity .3s ease,transform .3s ease}
.showcase-stage img.is-fading{opacity:0;transform:translateX(8px)}
.stage-arrow{
  position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--t-main);display:grid;place-items:center;
  box-shadow:var(--sh-2);transition:background .2s ease,color .2s ease;
}
.stage-arrow:hover{background:var(--c-primary);color:#fff}
.stage-arrow.prev{left:16px}
.stage-arrow.next{right:16px}
.stage-caption{
  position:absolute;left:16px;bottom:16px;background:rgba(42,26,20,.78);color:#fff;
  font-size:13px;padding:8px 14px;border-radius:var(--r-pill);backdrop-filter:blur(6px);
}
.thumbs{display:flex;gap:12px;margin-top:16px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.thumb{
  flex:0 0 auto;width:88px;height:56px;border-radius:10px;overflow:hidden;
  border:2px solid transparent;opacity:.62;transition:opacity .2s ease,border-color .2s ease;
}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb:hover{opacity:.9}
.thumb.active{border-color:var(--c-primary);opacity:1}
.dots{display:flex;gap:8px;justify-content:center;margin-top:18px}
.dot{width:8px;height:8px;border-radius:var(--r-pill);background:var(--line);transition:background .2s ease,width .2s ease}
.dot.active{background:var(--c-primary);width:22px}

/* ============ 规格卡组 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.spec-card{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(216,69,43,.35)}
.spec-icon{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--c-gold-soft);color:var(--c-primary-dark);font-size:16px;margin-bottom:14px;
}
.spec-card h3{font-size:15px;font-weight:600;line-height:1.5}
.spec-card p{font-size:13px;color:var(--t-sub);line-height:1.7;margin-top:6px}

/* ============ 评价墙 ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:var(--r-pill);object-fit:cover;border:2px solid var(--c-gold-soft);flex-shrink:0}
.review-name{font-size:15px;font-weight:600;line-height:1.4}
.review-tag{font-size:12px;color:var(--c-primary-dark);background:var(--c-gold-soft);border-radius:var(--r-pill);padding:2px 10px;display:inline-block;margin-top:3px}
.review-body{font-size:14.5px;color:var(--t-sub);line-height:1.8;flex:1}
.review-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--line);padding-top:12px}
.stars{color:var(--c-gold);font-size:12px;display:flex;gap:3px}
.review-foot span{font-size:12px;color:var(--t-mute)}

/* ============ 入口按钮组 ============ */
.entry-block{
  background:var(--c-bg-2);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:52px 40px;text-align:center;
}
.entry-block h2{font-size:clamp(24px,3vw,30px);font-weight:700}
.entry-block > p{color:var(--t-sub);margin-top:12px;font-size:15px}
.entry-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.entry-links{margin-top:18px;font-size:14px}
.entry-links a{border-bottom:1px solid currentColor;padding-bottom:2px}
.tag-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.tag{
  font-size:12px;color:var(--t-sub);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:5px 13px;
}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  background:var(--c-card);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(216,69,43,.3)}
.post-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(120deg,#D8452B,#E8A03A)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-badge{
  position:absolute;top:12px;right:12px;font-size:10px;font-weight:700;color:#3A2410;
  background:var(--c-gold);border-radius:var(--r-pill);padding:3px 9px;letter-spacing:.04em;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.chip{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--c-teal);
  background:rgba(31,95,82,.10);border-radius:var(--r-pill);padding:3px 11px;
}
.post-body h3{font-size:17px;font-weight:600;line-height:1.5}
.post-body h3 a{color:var(--t-main)}
.post-card:hover .post-body h3 a{color:var(--c-primary)}
.post-excerpt{
  font-size:14px;color:var(--t-sub);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t-mute);border-top:1px solid var(--line);padding-top:12px;
}
.post-meta .read{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.post-card.feature{grid-column:span 2;flex-direction:row}
.post-card.feature .post-cover{aspect-ratio:auto;width:46%;flex-shrink:0}
.post-card.feature .post-body{padding:26px 28px}
.post-card.feature .post-excerpt{-webkit-line-clamp:4;font-size:14.5px}
.empty-state{
  grid-column:1/-1;background:var(--c-card);border:1px dashed var(--line);border-radius:var(--r-m);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:30px;color:var(--c-gold);margin-bottom:14px;display:block}
.empty-state p{color:var(--t-sub);font-size:15px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--c-card);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{background:#FFFBF5;border-color:rgba(216,69,43,.35);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;padding:20px 24px;font-size:17px;font-weight:600;color:var(--t-main);
}
.faq-q:hover{color:var(--c-primary)}
.faq-q i{color:var(--c-primary);transition:transform .2s ease;flex-shrink:0;font-size:14px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t-sub)}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-image:linear-gradient(140deg,rgba(42,26,20,.94) 0%,rgba(216,69,43,.82) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:56px;text-align:center;
}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.85)}
.cta-band .btn{margin-top:28px}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--section);
  background-image:linear-gradient(140deg,rgba(42,26,20,.97) 0%,rgba(74,42,28,.94) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  color:rgba(255,255,255,.78);
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand-name{font-size:16px;font-weight:800;color:#fff}
.site-footer p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-gold);margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{font-size:13px;margin-bottom:10px;display:flex;gap:9px;align-items:flex-start;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--c-gold);margin-top:4px;font-size:12px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span{font-size:12.5px;color:rgba(255,255,255,.55)}
.footer-bottom a{font-size:12.5px;color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ============ 移动端抽屉 ============ */
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:var(--c-bg);
  padding:16px 0 24px;
}
.mobile-panel.open{display:block}
.mobile-search{
  display:flex;align-items:center;gap:10px;height:44px;width:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:0 16px;margin-bottom:12px;
}
.mobile-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px var(--ring)}
.mobile-search input{border:0;outline:none;width:100%;background:transparent}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;font-size:15px;color:var(--t-main);border-bottom:1px solid var(--line);
}
.mobile-nav a.active{color:var(--c-primary);font-weight:600}
.mobile-nav a i{color:var(--t-mute);font-size:12px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:56px 0 72px;min-height:auto}
  .hero h1{max-width:none}
  .float-card{right:12px;bottom:-18px}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .post-card.feature{grid-column:span 2;flex-direction:column}
  .post-card.feature .post-cover{width:100%;aspect-ratio:16/9}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .badge-strip{grid-template-columns:repeat(2,1fr);gap:20px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--section:64px}
  .nav-list,.nav-search{display:none}
  .icon-btn{display:none}
  .nav-toggle{display:grid}
  .hero-sub{font-size:17px}
  .cta-band{padding:44px 28px}
}
@media (max-width:767px){
  :root{--section:48px}
  .container{padding:0 20px}
  .badge-strip{padding:22px 20px;margin-top:-32px}
  .badge-num{font-size:26px}
  .spec-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .post-card.feature{grid-column:span 1}
  .review-grid{grid-template-columns:1fr}
  .entry-block{padding:38px 22px}
  .footer-top{grid-template-columns:1fr;gap:26px;padding:48px 0 28px}
  .sec-head{align-items:flex-start;flex-direction:column;gap:12px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner{padding:0 18px 20px}
}
@media (max-width:559px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .entry-actions{flex-direction:column;align-items:stretch}
  .entry-actions .btn{width:100%}
  .float-card{position:static;transform:none;width:100%;margin-top:16px;right:auto;bottom:auto}
  .btn-lg{height:50px;font-size:15px}
}
@media (max-width:399px){
  .badge-strip{grid-template-columns:1fr}
  .brand-sub{display:none}
}

/* roulang page: article */
:root{
  --brand:#D8452B;
  --brand-dark:#C23A22;
  --brand-deep:#9E2C17;
  --gold:#E8A03A;
  --gold-soft:#FBE7C6;
  --teal:#1F5F52;
  --bg:#FDF8F3;
  --bg-2:#F7EFE7;
  --card:#FFFFFF;
  --text:#1B1512;
  --text-2:#5C5149;
  --text-3:#8C817A;
  --line:#EADFD4;
  --focus:rgba(216,69,43,.18);
  --grad:linear-gradient(120deg,#D8452B 0%,#EE7B2E 55%,#E8A03A 100%);
  --grad-dark:linear-gradient(140deg,#2A1A14 0%,#4A2A1C 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(60,32,18,.05),0 2px 8px rgba(60,32,18,.05);
  --sh-2:0 6px 20px rgba(60,32,18,.08);
  --sh-3:0 16px 40px rgba(60,32,18,.12);
  --sec:88px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea{font-family:inherit;font-size:15px;color:var(--text)}
:focus-visible{outline:none;box-shadow:0 0 0 4px var(--focus);border-radius:var(--r-sm)}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(253,248,243,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(253,248,243,.94)}
.nav{max-width:1200px;margin:0 auto;padding:0 32px;height:68px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(216,69,43,.28);letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.18em;margin-top:3px}
.nav-list{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav-list a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-list a:hover{color:var(--text)}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.active{color:var(--brand);font-weight:600}
.nav-list a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:220px;padding:0 10px 0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search i{font-size:13px;color:var(--text-3)}
.nav-search input{
  border:0;background:transparent;flex:1;min-width:0;font-size:14px;padding:0;
}
.nav-search input:focus{outline:none}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--focus);width:300px;background:#fff}
.kbd{
  font-size:11px;color:var(--text-2);background:var(--bg-2);border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;line-height:1.6;flex:0 0 auto;
}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--text-2);transition:.2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;border-radius:var(--r-pill);padding:0 22px;height:44px;
  transition:transform .2s ease,box-shadow .2s ease,background .25s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(216,69,43,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(216,69,43,.22)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(232,160,58,.10);color:var(--brand-dark)}
.btn-lg{height:52px;font-size:16px;padding:0 28px}
.btn-sm{height:38px;font-size:13px;padding:0 16px}
.nav-cta{height:40px;padding:0 18px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:16px;place-items:center;
}

/* ---------- 阅读进度条 ---------- */
.read-bar{position:fixed;left:0;top:0;height:3px;width:0;background:var(--grad);z-index:80;transition:width .1s linear}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--bg-2);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:14px 0}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:#C9BDB2}
.crumb .cur{color:var(--text-3)}

/* ---------- 文章头部 ---------- */
.article-head{padding:48px 0 8px;max-width:880px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);background:var(--gold-soft);color:#8A5410;
}
.tag-teal{background:rgba(31,95,82,.10);color:var(--teal)}
.article-head h1{
  font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.28;letter-spacing:-.01em;
  margin:18px 0 0;color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;
  font-size:13px;color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D6C9BD}
.article-meta .num{font-variant-numeric:tabular-nums}

/* ---------- 文章主体布局 ---------- */
.article-main{padding:36px 0 var(--sec)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:40px;min-width:0;
}
.article-cover{
  border-radius:var(--r-md);overflow:hidden;margin-bottom:32px;border:1px solid var(--line);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{max-width:100%;font-size:17px;line-height:1.9;color:#2B231E}
.article-body>*+*{margin-top:1.2em}
.article-body p{color:#2B231E}
.article-body h2{
  font-size:23px;font-weight:700;line-height:1.35;color:var(--text);
  margin-top:2em;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:3px;background:var(--brand);
}
.article-body h3{font-size:19px;font-weight:700;margin-top:1.7em;color:var(--text)}
.article-body ul,.article-body ol{margin-top:1.1em;padding-left:2px}
.article-body li{position:relative;padding-left:22px;line-height:1.9;margin-top:8px;color:#2B231E}
.article-body ul>li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--gold);
}
.article-body ol{counter-reset:li}
.article-body ol>li{counter-increment:li}
.article-body ol>li::before{
  content:counter(li);position:absolute;left:0;top:.42em;width:18px;height:18px;border-radius:50%;
  border:1px solid var(--brand);color:var(--brand);font-size:11px;font-weight:700;
  display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin-top:1.4em;padding:18px 22px;background:var(--bg-2);border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);font-size:16px;
}
.article-body img{border-radius:var(--r-md);box-shadow:var(--sh-1);margin:1.6em auto}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.article-body a:hover{text-decoration-thickness:2px}
.article-body strong{font-weight:700;color:var(--text)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin-top:1.4em;border-radius:var(--r-sm);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-2);font-weight:600}
.article-body code{background:var(--bg-2);border-radius:6px;padding:2px 6px;font-size:14px}

/* 空状态 */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-md);background:var(--bg-2);
}
.empty-state i{font-size:30px;color:var(--gold)}
.empty-state h2{font-size:20px;font-weight:700;margin:16px 0 8px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* 文章尾部 */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag-item{
  font-size:13px;color:var(--text-2);background:var(--bg-2);border:1px solid var(--line);
  padding:6px 14px;border-radius:var(--r-pill);transition:.2s ease;
}
.tag-item:hover{color:var(--brand);border-color:var(--brand);background:#fff}
.foot-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.foot-links .btn{height:44px}

/* 侧栏 */
.side{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title i{color:var(--brand);font-size:14px}
.side-list li+li{margin-top:12px}
.side-list a{display:block;font-size:14px;color:var(--text-2);line-height:1.7;padding-left:12px;position:relative}
.side-list a::before{
  content:"";position:absolute;left:0;top:.62em;width:2px;height:14px;border-radius:2px;background:var(--line);
  transition:background .2s ease;
}
.side-list a:hover{color:var(--brand)}
.side-list a:hover::before{background:var(--brand)}
.side-fact{display:flex;justify-content:space-between;font-size:13px;color:var(--text-2);padding:8px 0;border-bottom:1px dashed var(--line)}
.side-fact:last-child{border-bottom:0}
.side-fact span:last-child{color:var(--text-3)}

/* ---------- 相关阅读 ---------- */
.related{padding:0 0 var(--sec)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.sec-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25}
.sec-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:60ch}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#E2D3C4}
.card-media{overflow:hidden;background:var(--grad);position:relative}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5}
.card-body h3 a{color:var(--text)}
.card-body h3 a:hover{color:var(--brand)}
.card-body p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);padding-top:6px}
.card-meta .num{font-variant-numeric:tabular-nums}
.card-meta i{color:var(--brand)}

/* ---------- 底部 CTA ---------- */
.cta-band{padding:0 0 var(--sec)}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:56px;
  background:var(--grad-dark);color:#fff;box-shadow:var(--sh-3);
}
.cta-inner::after{
  content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.18;
}
.cta-inner>*{position:relative;z-index:2}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3}
.cta-inner p{color:rgba(255,255,255,.82);font-size:16px;margin-top:14px;max-width:62ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  font-size:12px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.9);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.78);position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.10;
}
.site-footer .container{position:relative;z-index:2}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-name{font-size:16px;font-weight:800;color:#fff}
.footer-col p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.66)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--gold);margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col ul a{font-size:13px;color:rgba(255,255,255,.74);display:inline-block;transition:.2s ease}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:13px;color:rgba(255,255,255,.74);align-items:flex-start}
.footer-contact i{color:var(--gold);margin-top:5px;font-size:12px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  :root{--sec:64px}
  .container,.nav{padding:0 24px}
  .nav-list{
    position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 16px;box-shadow:var(--sh-2);
    display:none;
  }
  .nav-list.open{display:flex}
  .nav-list li a{display:block;line-height:52px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-list a::after{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .nav{padding-right:24px;position:relative}
  .article-card{padding:28px}
  .article-head{padding:36px 0 4px}
  .cta-inner{padding:40px 28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px}
}
@media (max-width:767px){
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .article-body{font-size:16px}
  .article-meta{gap:10px}
  .side{flex-direction:column}
  .sec-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  :root{--sec:48px}
  .container,.nav{padding:0 20px}
  .btn{width:100%}
  .btn.nav-cta,.nav-cta{width:auto}
  .article-card{padding:22px 18px;border-radius:var(--r-md)}
  .cta-inner{padding:32px 20px;border-radius:var(--r-lg)}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .foot-links .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --primary:#D8452B;
  --primary-dark:#C23A22;
  --primary-deep:#9E2C17;
  --gold:#E8A03A;
  --gold-soft:#FBE7C6;
  --teal:#1F5F52;
  --bg:#FDF8F3;
  --bg-2:#F7EFE7;
  --card:#FFFFFF;
  --text:#1B1512;
  --text-2:#5C5149;
  --text-3:#8C817A;
  --line:#EADFD4;
  --ring:rgba(216,69,43,.18);
  --warn:#C9761B;
  --err:#B3352A;
  --grad:linear-gradient(120deg,#D8452B 0%,#EE7B2E 55%,#E8A03A 100%);
  --grad-dark:linear-gradient(140deg,#2A1A14 0%,#4A2A1C 100%);
  --sh1:0 1px 2px rgba(60,32,18,.05),0 2px 8px rgba(60,32,18,.05);
  --sh2:0 6px 20px rgba(60,32,18,.08);
  --sh3:0 16px 40px rgba(60,32,18,.12);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --nav-h:68px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;text-underline-offset:4px;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:none;box-shadow:0 0 0 4px var(--ring);border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:60ch;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--gold-soft);border-radius:999px;padding:6px 14px;
}
.eyebrow i{font-size:12px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(253,248,243,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh1);background:rgba(253,248,243,.94);}
.nav{
  max-width:1200px;margin:0 auto;padding:0 32px;
  height:var(--nav-h);
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:var(--sh1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em;}
.brand-sub{font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.06em;}
.nav-list{display:flex;align-items:center;gap:6px;flex:1;min-width:0;}
.nav-list a{
  display:inline-block;padding:9px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);
  position:relative;
}
.nav-list a:hover{color:var(--text);background:rgba(232,160,58,.10);}
.nav-list a.active{color:var(--primary);font-weight:600;}
.nav-list a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:220px;padding:0 12px;
  border:1px solid var(--line);border-radius:999px;
  background:var(--bg-2);
  transition:width .25s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{
  width:300px;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 4px var(--ring);
}
.kbd{
  font-size:11px;color:var(--text-2);background:#fff;
  border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;flex-shrink:0;
}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px);box-shadow:var(--sh1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;line-height:1;
  border-radius:999px;padding:0 22px;height:48px;
  transition:transform .2s ease,box-shadow .2s ease,background .25s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;cursor:pointer;text-align:center;
}
.btn i{font-size:13px;transition:transform .2s ease;}
.btn:hover i{transform:translateX(2px);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh3);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{color:var(--text);border-color:var(--primary);background:rgba(232,160,58,.10);transform:translateY(-1px);box-shadow:var(--sh1);}
.btn-sm{height:40px;font-size:13px;padding:0 18px;}
.nav-cta{height:40px;font-size:13px;padding:0 18px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  place-items:center;
}
.nav-toggle:hover{color:var(--primary);border-color:var(--primary);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:16px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--text-3);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--grad-dark);
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(216,69,43,.55) 0%,rgba(216,69,43,0) 68%);
  pointer-events:none;
}
.page-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:center;
  padding-top:64px;padding-bottom:64px;
  min-height:300px;
}
.page-hero .crumb,.page-hero .crumb a{color:rgba(255,255,255,.72);}
.page-hero .crumb .current{color:rgba(255,255,255,.9);}
.page-hero .crumb .sep{color:rgba(255,255,255,.32);}
.page-hero h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.18;letter-spacing:-.01em;
  color:#fff;font-weight:800;
}
.page-hero p.lead{
  margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:34em;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  font-size:12px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:6px 14px;
}
.page-hero-media{
  position:relative;margin:0;border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh3);border:1px solid rgba(255,255,255,.18);
  aspect-ratio:16/10;background:var(--grad);
}
.page-hero-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 双栏目录 + 长文 ---------- */
.layout{
  display:grid;grid-template-columns:260px minmax(0,1fr);gap:44px;
  align-items:start;
}
.toc{
  position:sticky;top:calc(var(--nav-h) + 24px);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px;box-shadow:var(--sh1);
}
.toc h2{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--text);}
.toc a{
  display:block;font-size:14px;line-height:28px;color:var(--text-2);
  border-left:2px solid transparent;padding-left:12px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.toc a:hover{color:var(--primary);}
.toc a.active{color:var(--primary);border-left-color:var(--primary);font-weight:600;background:rgba(232,160,58,.08);}
.toc-note{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:12px;line-height:1.7;color:var(--text-3);
}
.article-body{max-width:820px;}
.article-body section{scroll-margin-top:calc(var(--nav-h) + 24px);padding-bottom:8px;}
.article-body section + section{margin-top:56px;}
.article-body h2{
  font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.35;
  padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h2 + p{margin-top:18px;}
.article-body h3{font-size:18px;font-weight:600;line-height:1.5;}
.article-body p{color:var(--text-2);margin-top:16px;}
.article-body p strong{color:var(--text);font-weight:600;}
.plain-list{margin-top:18px;display:grid;gap:10px;}
.plain-list li{
  position:relative;padding-left:24px;color:var(--text-2);font-size:15px;line-height:1.8;
}
.plain-list li::before{
  content:"";position:absolute;left:6px;top:12px;
  width:8px;height:8px;border-radius:999px;background:var(--gold);
}
.steps{margin-top:24px;display:grid;gap:16px;}
.step{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px 22px;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:#E3D3C4;}
.step-num{
  flex-shrink:0;width:42px;height:42px;border-radius:999px;
  display:grid;place-items:center;
  border:2px solid var(--primary);color:var(--primary);
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  background:rgba(216,69,43,.06);
}
.step-body h3{font-size:17px;font-weight:600;}
.step-body p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--text-2);}
.callout{
  margin-top:24px;padding:18px 22px;border-radius:var(--r-m);
  background:var(--gold-soft);border-left:3px solid var(--primary);
  font-size:14.5px;line-height:1.8;color:#6B4326;
}
.callout strong{color:var(--primary-deep);}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px 22px;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.check-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(31,95,82,.10);color:var(--teal);font-size:18px;margin-bottom:16px;
}
.check-card h3{font-size:16px;font-weight:600;}
.check-card p{margin-top:8px;font-size:13.5px;line-height:1.8;color:var(--text-2);}
.check-card .tag{
  display:inline-block;margin-top:14px;font-size:11px;font-weight:600;
  color:var(--teal);background:rgba(31,95,82,.10);border-radius:999px;padding:4px 10px;
}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.scene-card{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.scene-card figure{margin:0;aspect-ratio:1/1;overflow:hidden;background:var(--grad);}
.scene-card figure img{width:100%;height:100%;object-fit:cover;}
.scene-body{padding:20px 22px 20px 0;}
.scene-body h3{font-size:16.5px;font-weight:600;}
.scene-body p{margin-top:8px;font-size:13.5px;line-height:1.8;color:var(--text-2);}
.scene-body .tag{
  display:inline-block;margin-top:12px;font-size:11px;font-weight:600;
  color:var(--primary);background:rgba(216,69,43,.08);border-radius:999px;padding:4px 10px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:22px 24px;box-shadow:var(--sh1);
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.faq-item:hover{border-color:#E3D3C4;box-shadow:var(--sh2);}
.faq-q{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:14px;font-weight:800;
}
.faq-item h3{font-size:16.5px;font-weight:600;line-height:1.6;}
.faq-item p{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--text-2);}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--grad-dark);color:#fff;
  padding:56px;box-shadow:var(--sh3);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.22;
}
.cta-band-inner{position:relative;z-index:2;max-width:660px;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.25;}
.cta-band p{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.84);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32);}
.cta-band .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.5);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;margin-top:88px;
  background:var(--grad-dark);color:rgba(255,255,255,.82);
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.12;
}
.footer-top{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-name{font-size:16px;font-weight:800;color:#fff;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--gold);margin-bottom:18px;
}
.footer-col p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);max-width:34em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  font-size:13px;color:rgba(255,255,255,.74);
  display:inline-block;transition:color .2s ease,transform .2s ease;
}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13px;line-height:1.75;color:rgba(255,255,255,.74);
}
.footer-contact i{color:var(--gold);margin-top:5px;font-size:12px;flex-shrink:0;}
.footer-bottom{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 32px;font-size:12.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78);font-size:12.5px;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:1fr;}
  .toc{position:static;margin-bottom:8px;}
  .toc ul{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;}
  .toc a{border-left:0;border-bottom:2px solid transparent;padding-left:8px;border-radius:6px;}
  .toc a.active{border-left:0;border-bottom-color:var(--primary);}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .container,.nav{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-list{
    position:absolute;left:0;right:0;top:var(--nav-h);
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    box-shadow:var(--sh2);padding:12px 24px 20px;
    display:none;
  }
  body.nav-open .nav-list{display:flex;}
  .nav-list a{display:block;line-height:52px;padding:0 8px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-list a.active::after{display:none;}
  .nav-toggle{display:grid;}
  .nav-search{width:180px;}
  .nav-search:focus-within{width:220px;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;padding-top:48px;padding-bottom:48px;}
  .page-hero-media{aspect-ratio:16/9;}
  .scene-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767px){
  .container,.nav{padding:0 20px;}
  .section{padding:48px 0;}
  .site-footer{margin-top:48px;}
  .nav-search{display:none;}
  body.nav-open .nav-list{padding-top:16px;}
  .nav-list .nav-search-inline{display:flex;}
  .nav-right{gap:10px;}
  .nav-cta{display:none;}
  .toc ul{grid-template-columns:1fr 1fr;}
  .check-grid{grid-template-columns:1fr;}
  .scene-card{grid-template-columns:1fr;}
  .scene-card figure{aspect-ratio:16/9;}
  .scene-body{padding:0 20px 22px;}
  .faq-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .step{flex-direction:column;gap:12px;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .page-hero h1{font-size:26px;}
  .page-hero p.lead{font-size:15.5px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-actions .btn{width:100%;}
  .toc ul{grid-template-columns:1fr;}
  .btn{height:46px;}
}

/* roulang page: category2 */
:root{
  --primary:#D8452B;
  --primary-dark:#C23A22;
  --primary-deep:#9E2C17;
  --gold:#E8A03A;
  --gold-soft:#FBE7C6;
  --teal:#1F5F52;
  --bg:#FDF8F3;
  --bg-alt:#F7EFE7;
  --card:#FFFFFF;
  --text:#1B1512;
  --text-sub:#5C5149;
  --text-muted:#8C817A;
  --line:#EADFD4;
  --focus:rgba(216,69,43,.18);
  --grad:linear-gradient(120deg,#D8452B 0%,#EE7B2E 55%,#E8A03A 100%);
  --grad-dark:linear-gradient(140deg,#2A1A14 0%,#4A2A1C 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh1:0 1px 2px rgba(60,32,18,.05),0 2px 8px rgba(60,32,18,.05);
  --sh2:0 6px 20px rgba(60,32,18,.08);
  --sh3:0 16px 40px rgba(60,32,18,.12);
  --container:1200px;
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--primary);text-decoration:none;text-underline-offset:4px;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--primary-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.tabular{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(253,248,243,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh1);background:rgba(253,248,243,.94)}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:17px;font-weight:800;
  box-shadow:var(--sh2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:16px;font-weight:800;letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--text-muted);letter-spacing:.14em;margin-top:2px}
.nav-list{display:flex;align-items:center;gap:4px;margin:0 auto 0 8px}
.nav-list a{
  display:block;padding:8px 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--text-sub);
  position:relative;transition:color .2s ease,background .2s ease;
}
.nav-list a:hover{color:var(--primary);background:rgba(232,160,58,.12)}
.nav-list a.active{color:var(--primary);font-weight:600}
.nav-list a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 8px 0 14px;
  border-radius:999px;border:1px solid var(--line);
  background:var(--bg-alt);
  transition:width .28s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.nav-search i{font-size:13px;color:var(--text-muted)}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;font-size:13.5px;outline:none;
}
.nav-search input::placeholder{color:var(--text-muted)}
.nav-search:focus-within{
  width:300px;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 4px var(--focus);
}
.kbd{
  font-size:11px;padding:2px 7px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text-muted);
  flex-shrink:0;
}
.icon-btn{
  width:40px;height:40px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;color:var(--text-sub);
  border:1px solid var(--line);background:#fff;transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;font-size:14px;
  padding:0 22px;height:48px;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh3);background:linear-gradient(120deg,#EE7B2E 0%,#D8452B 100%)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(232,160,58,.10)}
.btn-lg{height:52px;padding:0 28px;font-size:15.5px}
.nav-cta{height:40px;padding:0 18px;font-size:13.5px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  color:var(--text-sub);border:1px solid var(--line);background:#fff;
}
.nav-toggle:hover{color:var(--primary);border-color:var(--primary)}

/* ---------- 内页窄幅 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 56px;
  background-color:#2A1A14;
  background-image:linear-gradient(120deg,rgba(42,26,20,.92) 0%,rgba(42,26,20,.72) 55%,rgba(216,69,43,.55) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;top:-160px;right:-120px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(232,160,58,.30) 0%,rgba(232,160,58,0) 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.55}
.crumb .current{color:rgba(255,255,255,.62)}
.hero-grid{display:grid;grid-template-columns:1fr 400px;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(251,231,198,.16);color:var(--gold-soft);
  border:1px solid rgba(232,160,58,.35);margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(26px,3.6vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
  max-width:20em;
}
.page-hero p.lead{
  margin-top:16px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.84);max-width:32em;
}
.hero-thumb{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.22);
  box-shadow:var(--sh3);aspect-ratio:4/3;background:rgba(255,255,255,.08);
}
.hero-thumb img{width:100%;height:100%}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.section-head p{color:var(--text-sub);font-size:16px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--gold-soft);color:#8A5A12;
}
.tag-teal{background:rgba(31,95,82,.10);color:var(--teal)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 规格卡组 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.spec-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 26px;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.spec-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(216,69,43,.09);color:var(--primary);font-size:18px;margin-bottom:18px;
}
.spec-value{font-size:32px;font-weight:800;color:var(--primary);line-height:1.1;letter-spacing:-.02em}
.spec-value small{font-size:14px;font-weight:600;color:var(--text-sub);margin-left:6px;letter-spacing:0}
.spec-name{font-size:15px;font-weight:600;margin:10px 0 6px}
.spec-desc{font-size:13.5px;color:var(--text-sub);line-height:1.75}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:11px;top:12px;bottom:12px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding-left:52px;margin-bottom:22px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:4px;top:16px;width:16px;height:16px;border-radius:50%;
  background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px rgba(216,69,43,.20);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(216,69,43,.35)}
.tl-step{font-size:12.5px;font-weight:700;color:var(--gold);letter-spacing:.08em}
.tl-card h3{font-size:18px;margin:6px 0 8px}
.tl-card p{font-size:14.5px;color:var(--text-sub)}

/* ---------- 对照卡 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 28px;box-shadow:var(--sh1);
}
.compare-card.good{border-top:4px solid var(--teal)}
.compare-card.warn{border-top:4px solid var(--gold)}
.compare-card h3{font-size:20px;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.compare-card h3 i{font-size:16px}
.compare-card.good h3 i{color:var(--teal)}
.compare-card.warn h3 i{color:#C9761B}
.compare-card > p{color:var(--text-sub);font-size:14.5px;margin-bottom:16px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list i{margin-top:6px;font-size:13px;flex-shrink:0}
.good .check-list i{color:var(--teal)}
.warn .check-list i{color:#C9761B}
.check-list span{font-size:14.5px;color:var(--text-sub)}

/* ---------- 自检清单 ---------- */
.selfcheck{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.check-item .num{
  width:30px;height:30px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-size:13.5px;font-weight:700;
  color:var(--primary);border:2px solid rgba(216,69,43,.35);background:#FFF7F3;
}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:13.8px;color:var(--text-sub)}

/* ---------- 问答网格 ---------- */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.qa-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 24px;box-shadow:var(--sh1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.qa-card:hover{border-color:rgba(216,69,43,.35);box-shadow:var(--sh2);transform:translateY(-3px)}
.qa-card h3{font-size:17px;display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
.qa-card h3 i{color:var(--primary);font-size:15px;margin-top:5px;flex-shrink:0}
.qa-card p{font-size:14.5px;color:var(--text-sub)}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:56px 48px;color:#fff;
  background-color:#2A1A14;
  background-image:linear-gradient(140deg,rgba(42,26,20,.94) 0%,rgba(74,42,28,.82) 60%,rgba(216,69,43,.72) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  box-shadow:var(--sh3);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.84);max-width:44em;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-band .btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.32)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  font-size:12.5px;padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.9);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section);
  color:#F4E9E1;
  background-color:#2A1A14;
  background-image:linear-gradient(140deg,rgba(42,26,20,.96) 0%,rgba(74,42,28,.94) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;
  padding:64px 0 40px;
}
.footer-col h4{font-size:14px;color:var(--gold);margin-bottom:16px;letter-spacing:.04em}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-name{font-size:16px;font-weight:800;color:#fff}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(244,233,225,.72);max-width:34em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:13.5px;color:rgba(244,233,225,.76);
  transition:color .2s ease,transform .2s ease;
  display:inline-block;
}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:rgba(244,233,225,.76)}
.footer-contact i{margin-top:6px;color:var(--gold);font-size:12.5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:20px 0 30px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(244,233,225,.66);
}
.footer-bottom a{color:rgba(244,233,225,.8)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--section:72px}
  .container{padding:0 24px}
  .nav-search{width:180px}
  .hero-grid{grid-template-columns:1fr 320px;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .spec-grid{grid-template-columns:repeat(3,1fr);gap:16px}
}
@media (max-width:991px){
  :root{--section:64px}
  .nav-list{
    position:absolute;left:0;right:0;top:68px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    box-shadow:var(--sh2);padding:8px 16px 16px;margin:0;
    display:none;
  }
  .nav-list.is-open{display:flex}
  .nav-list a{padding:0 12px;height:52px;display:flex;align-items:center;border-bottom:1px solid var(--line);border-radius:0;font-size:15.5px}
  .nav-list a.active::after{display:none}
  .nav-list li:last-child a{border-bottom:0}
  .nav-toggle{display:grid;place-items:center}
  .nav-search{display:none}
  .nav-list.is-open .mobile-search{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-thumb{aspect-ratio:16/9}
  .spec-grid{grid-template-columns:1fr 1fr}
  .compare-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .selfcheck{grid-template-columns:1fr}
  .cta-band{padding:40px 28px;border-radius:var(--r-lg)}
}
@media (max-width:767px){
  :root{--section:52px}
  .nav-cta{display:none}
  .page-hero{padding:36px 0 42px}
  .spec-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .spec-value{font-size:28px}
  .cta-actions .btn{width:100%}
  .brand-sub{letter-spacing:.08em}
}

/* roulang page: category3 */
:root{
  --primary:#D8452B;
  --primary-dark:#C23A22;
  --primary-deep:#9E2C17;
  --accent:#E8A03A;
  --accent-soft:#FBE7C6;
  --teal:#1F5F52;
  --bg:#FDF8F3;
  --bg-2:#F7EFE7;
  --card:#FFFFFF;
  --text:#1B1512;
  --text-2:#5C5149;
  --text-3:#8C817A;
  --line:#EADFD4;
  --focus:rgba(216,69,43,.18);
  --grad:linear-gradient(120deg,#D8452B 0%,#EE7B2E 55%,#E8A03A 100%);
  --grad-dark:linear-gradient(140deg,#2A1A14 0%,#4A2A1C 100%);
  --sh1:0 1px 2px rgba(60,32,18,.05),0 2px 8px rgba(60,32,18,.05);
  --sh2:0 6px 20px rgba(60,32,18,.08);
  --sh3:0 16px 40px rgba(60,32,18,.12);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-xl:32px;
  --gap:24px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--primary-dark);}
button{font:inherit;color:inherit;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 4px var(--focus);border-radius:var(--r-s);}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.tabular{font-variant-numeric:tabular-nums;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(253,248,243,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{
  box-shadow:var(--sh1);
  background:rgba(253,248,243,.94);
}
.nav{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;
  font-weight:800;
  font-size:18px;
  display:grid;
  place-items:center;
  box-shadow:var(--sh1);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:color .18s ease,background .18s ease;
}
.nav-list a:hover{color:var(--primary);background:rgba(232,160,58,.12);}
.nav-list a.active{color:var(--primary);font-weight:600;}
.nav-list a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:22px;height:2px;
  border-radius:2px;
  background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  width:220px;
  padding:0 10px 0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg-2);
  color:var(--text-3);
  transition:width .22s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.nav-search i{font-size:13px;}
.nav-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  font-size:13px;
  outline:none;
  color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search .kbd{
  font-size:11px;
  padding:1px 7px;
  border-radius:999px;
  background:rgba(234,223,212,.7);
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.nav-search:focus-within{
  width:300px;
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px var(--focus);
}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--text-2);
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:999px;
  font-weight:600;
  font-size:14px;
  padding:0 22px;
  height:44px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh3);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh1);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);background:rgba(232,160,58,.10);color:var(--primary-dark);}
.btn-lg{height:52px;font-size:16px;padding:0 30px;}
.nav-cta{height:40px;padding:0 18px;}
.nav-cta i{font-size:12px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--text);
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- buttons & tags ---------- */
.text-link{
  color:var(--primary);
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  transition:text-underline-offset .18s ease,color .18s ease;
}
.text-link:hover{color:var(--primary-dark);text-underline-offset:6px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--accent-soft);
  color:#7A4A12;
}
.tag-teal{background:rgba(31,95,82,.12);color:var(--teal);}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--text-2);font-weight:500;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(120deg,rgba(42,26,20,.78),rgba(74,42,28,.62)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:36px 0 52px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  top:-140px;right:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(232,160,58,.28),rgba(232,160,58,0) 70%);
  pointer-events:none;
}
.breadcrumb{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.78);
  margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:rgba(255,255,255,.66);}
.page-hero-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
}
.page-hero .lead{
  margin-top:16px;
  max-width:34em;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.88);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-actions .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff;}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.22);border-color:#fff;color:#fff;}
.page-hero-figure{
  margin:0;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.28);
  box-shadow:var(--sh3);
  aspect-ratio:16/10;
  background:var(--grad);
}
.page-hero-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:32px;
}

/* ---------- quick entry cards ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.quick-card{
  display:block;
  padding:22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--sh1);
  color:var(--text);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(216,69,43,.35);color:var(--text);}
.quick-icon{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  background:var(--accent-soft);
  color:var(--primary-deep);
  font-size:16px;
  margin-bottom:14px;
}
.quick-card h3{font-size:16px;font-weight:700;line-height:1.4;}
.quick-card p{margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.7;}
.quick-card .quick-more{margin-top:14px;font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}

/* ---------- help layout ---------- */
.help-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;}
.faq-group{margin-bottom:36px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.group-head .bar{width:4px;height:22px;border-radius:2px;background:var(--primary);flex:0 0 auto;}
.group-head h2{font-size:21px;font-weight:700;}
.group-head span{font-size:13px;color:var(--text-3);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh1);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.faq-item.open{
  background:var(--bg-2);
  border-color:rgba(216,69,43,.45);
  box-shadow:var(--sh2);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  border:0;
  background:transparent;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--text);
  border-radius:14px;
}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:12px;
  color:var(--text-2);
  background:#fff;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.open .faq-icon{
  transform:rotate(180deg);
  background:var(--grad);
  border-color:transparent;
  color:#fff;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-item.open .faq-a{max-height:520px;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-a-inner ul{margin-top:10px;display:flex;flex-direction:column;gap:6px;}
.faq-a-inner li{position:relative;padding-left:16px;}
.faq-a-inner li::before{
  content:"";
  position:absolute;
  left:2px;top:12px;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--accent);
}

/* ---------- sidebar ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:22px;
  box-shadow:var(--sh1);
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;}
.side-list{display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  font-size:14px;
  color:var(--text-2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease;
}
.side-list a i{font-size:11px;color:var(--text-3);}
.side-list a:hover{color:var(--primary);background:rgba(232,160,58,.10);transform:translateX(2px);}
.side-list a.current{color:var(--primary);border-left-color:var(--primary);background:rgba(232,160,58,.12);font-weight:600;}
.side-list a.current i{color:var(--primary);}
.side-tip{
  margin-top:16px;
  padding:12px 14px;
  border-radius:var(--r-s);
  background:var(--bg-2);
  font-size:13px;
  line-height:1.7;
  color:var(--text-2);
}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px;}
.form-field label{font-size:13px;font-weight:600;color:var(--text-2);}
.form-field input,
.form-field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-s);
  background:#fff;
  padding:0 12px;
  height:44px;
  font-size:14px;
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-field textarea{height:auto;min-height:96px;padding:10px 12px;line-height:1.7;resize:vertical;}
.form-field input:focus,
.form-field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--focus);}
.form-field input::placeholder,
.form-field textarea::placeholder{color:var(--text-3);}
.form-submit{width:100%;border:0;}
.form-note{margin-top:10px;font-size:12px;color:var(--text-3);line-height:1.6;}
.form-success{
  display:none;
  align-items:center;
  gap:10px;
  margin-top:14px;
  padding:12px 14px;
  border-radius:var(--r-s);
  background:rgba(31,95,82,.10);
  border:1px solid rgba(31,95,82,.28);
  color:var(--teal);
  font-size:13.5px;
  font-weight:600;
}
.form-success.show{display:flex;}
.form-success i{font-size:15px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.step-card{
  position:relative;
  padding:26px 24px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.step-num{
  width:34px;height:34px;
  border-radius:50%;
  border:2px solid var(--primary);
  color:var(--primary);
  display:grid;place-items:center;
  font-size:14px;
  font-weight:800;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- notice strip ---------- */
.notice-strip{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:24px 26px;
  border-radius:var(--r-m);
  background:var(--bg-2);
  border:1px dashed var(--line);
}
.notice-strip i{
  font-size:20px;
  color:var(--accent);
  margin-top:3px;
}
.notice-strip h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.notice-strip p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  margin:0 0 var(--sec);
  padding:56px;
  border-radius:var(--r-xl);
  background-image:linear-gradient(140deg,rgba(42,26,20,.92),rgba(74,42,28,.82)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-100px;bottom:-160px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(216,69,43,.35),rgba(216,69,43,0) 70%);
}
.cta-band-inner{position:relative;z-index:1;max-width:680px;}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);font-weight:800;line-height:1.3;}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* ---------- footer ---------- */
.site-footer{
  background-image:linear-gradient(140deg,rgba(42,26,20,.96),rgba(74,42,28,.94)),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:rgba(255,255,255,.78);
  padding:64px 0 26px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:32px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-name{color:#fff;font-size:16px;font-weight:800;}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.72);}
.footer-col h4{
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:13px;
  color:rgba(255,255,255,.75);
  transition:color .18s ease,transform .18s ease;
  display:inline-block;
}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  line-height:1.75;
  color:rgba(255,255,255,.75);
}
.footer-contact i{margin-top:4px;color:var(--accent);font-size:13px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:12.5px;
  color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.75);}
.footer-bottom a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .help-layout{grid-template-columns:minmax(0,1fr) 300px;}
}
@media (max-width:1024px){
  .quick-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:992px){
  .container{padding:0 24px;}
  .nav{gap:12px;}
  .nav-list{
    position:absolute;
    top:100%;
    left:-24px;
    right:-24px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh2);
    padding:76px 24px 16px;
    z-index:3;
  }
  .nav-open .nav-list{display:flex;}
  .nav-list a{
    display:block;
    height:52px;
    line-height:52px;
    padding:0 4px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .nav-list li:last-child a{border-bottom:0;}
  .nav-list a.active::after{display:none;}
  .nav-search{
    display:none;
  }
  .nav-open .nav-search{
    display:flex;
    position:absolute;
    top:calc(100% + 12px);
    left:0;
    right:0;
    width:auto;
    z-index:4;
    background:#fff;
  }
  .nav-open .nav-search:focus-within{width:auto;}
  .nav-toggle{display:grid;place-items:center;}
  .page-hero-inner{grid-template-columns:1fr;gap:26px;}
  .page-hero-figure{max-width:520px;}
  .help-layout{grid-template-columns:1fr;}
  .side-col{position:static;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:40px 28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:768px){
  :root{--sec:64px;}
  .section{padding:var(--sec) 0;}
  .quick-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .nav-cta{display:none;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:560px){
  :root{--sec:48px;}
  .container{padding:0 20px;}
  .quick-grid{grid-template-columns:1fr;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a-inner{padding:0 18px 18px;}
  .side-card{padding:18px;}
  .cta-band{padding:32px 20px;border-radius:24px;}
  .cta-band .cta-actions .btn{width:100%;}
  .page-hero{padding:26px 0 40px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:400px){
  .nav-cta{display:none;}
  .icon-btn{display:none;}
  .nav-open .nav-search{left:0;right:0;}
  .btn{width:100%;}
  .brand-sub{font-size:10px;}
}