/* roulang page: index */
:root{
  --c-bg:#FAF8F5;
  --c-surface:#FFFFFF;
  --c-ink:#14171A;
  --c-ink-2:#5A6068;
  --c-line:#E8E2DA;
  --c-brand:#FF6B35;
  --c-brand-deep:#D94E1F;
  --c-accent:#0B6E6E;
  --c-accent-soft:#E6F2F1;
  --c-dark:#101314;
  --c-ok:#1F8A5B;
  --c-err:#D93A2B;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,23,26,.04);
  --sh-2:0 18px 34px -22px rgba(20,23,26,.22);
  --fs-h1:42px;
  --fs-h2:30px;
  --fs-h3:21px;
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease;}
a:visited{color:var(--c-ink);}
a:hover{color:var(--c-brand);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-brand);outline-offset:2px;
}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-.4px;line-height:1.3;}
p{margin:0 0 20px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.tabular{font-variant-numeric:tabular-nums;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,245,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.topbar-inner{
  display:flex;align-items:center;gap:24px;
  min-height:66px;padding:10px 0;
}
.brand{
  display:flex;align-items:center;gap:10px;
  flex:0 0 auto;font-weight:800;font-size:19px;letter-spacing:-.3px;
}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 8px 18px -10px rgba(255,107,53,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text small{font-size:11px;font-weight:500;color:var(--c-ink-2);letter-spacing:2px;}
.brand-text strong{font-size:19px;font-weight:800;}
.topbar-search{
  flex:1 1 auto;max-width:330px;margin-left:auto;
  position:relative;
}
.topbar-search input{
  width:100%;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  padding:0 44px 0 18px;font-size:14.5px;color:var(--c-ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.topbar-search input::placeholder{color:#9AA0A6;}
.topbar-search input:focus{
  border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(255,107,53,.12);
}
.topbar-search i{
  position:absolute;right:17px;top:50%;transform:translateY(-50%);
  color:var(--c-ink-2);font-size:14px;pointer-events:none;
}
.topbar-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.topbar-tel{
  font-size:13.5px;color:var(--c-ink-2);display:flex;align-items:center;gap:6px;
}
.topbar-tel i{color:var(--c-accent);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 14px 26px -16px rgba(255,107,53,.95);}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 18px 30px -16px rgba(217,78,31,.95);}
.btn-secondary{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-line);}
.btn-secondary:hover{background:var(--c-accent-soft);color:var(--c-accent);border-color:#BFDDDB;transform:translateY(-1px);}
.btn-ghost{
  background:transparent;color:var(--c-brand);padding:0;height:auto;
}
.btn-ghost:hover{color:var(--c-brand-deep);}
.btn-ghost i{transition:transform .18s ease;}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);
  font-size:16px;cursor:pointer;
}

/* 频道行 */
.channelbar{
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
}
.channel-scroll{
  display:flex;align-items:center;gap:8px;
  height:50px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.ch{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--c-ink-2);white-space:nowrap;
  border:1px solid transparent;transition:all .18s ease;
}
.ch:hover{background:var(--c-accent-soft);color:var(--c-accent);}
.ch.active{background:var(--c-dark);color:#fff;font-weight:600;}
.ch.active:hover{background:var(--c-dark);color:#fff;}

.mobile-drawer{
  display:none;border-top:1px solid var(--c-line);background:var(--c-surface);
  padding:12px 0 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer .btn{margin-top:18px;}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:64px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(880px 420px at 82% 8%,rgba(11,110,110,.10),transparent 62%),
    radial-gradient(620px 380px at 6% 78%,rgba(255,107,53,.12),transparent 65%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-accent-soft);color:var(--c-accent);
  font-size:13px;font-weight:600;margin-bottom:22px;
}
.eyebrow i{font-size:12px;}
.hero h1{
  font-size:var(--fs-h1);line-height:1.24;letter-spacing:-.8px;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(180deg,transparent 62%,rgba(255,107,53,.28) 62%);
}
.hero-sub{
  font-size:17px;color:var(--c-ink-2);line-height:1.9;margin-bottom:30px;max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trust-pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12.5px;background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink-2);
}
.pill i{color:var(--c-ok);font-size:11px;}
.pill-brand{background:rgba(255,107,53,.12);border-color:rgba(255,107,53,.28);color:var(--c-brand-deep);}
.pill-accent{background:var(--c-accent-soft);border-color:#C9E3E1;color:var(--c-accent);}

.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/10;background:#EFEBE4;box-shadow:var(--sh-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(16,19,20,.42),rgba(16,19,20,.16) 55%,rgba(16,19,20,.55));
}
.hero-caption{
  position:absolute;left:22px;bottom:20px;right:22px;color:#fff;z-index:2;
}
.hero-caption strong{display:block;font-size:19px;font-weight:700;margin-bottom:4px;}
.hero-caption span{font-size:13px;opacity:.86;}
.float-card{
  position:absolute;right:-14px;bottom:-22px;z-index:3;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:16px 20px;box-shadow:var(--sh-2);
  min-width:190px;
}
.float-card .num{font-size:30px;font-weight:800;color:var(--c-brand);line-height:1.1;}
.float-card .lab{font-size:12.5px;color:var(--c-ink-2);margin-top:2px;}

/* ===== 指标看板 ===== */
.metrics-wrap{position:relative;z-index:5;margin-top:-64px;}
.metrics{
  background:var(--c-dark);border-radius:var(--r-lg);
  padding:36px 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  box-shadow:0 26px 50px -34px rgba(16,19,20,.75);
}
.metric{border-left:1px solid rgba(255,255,255,.12);padding-left:24px;}
.metric:first-child{border-left:0;padding-left:0;}
.metric .num{
  font-size:46px;font-weight:800;line-height:1;letter-spacing:-1.4px;
  color:#fff;font-variant-numeric:tabular-nums;
}
.metric .num small{font-size:15px;font-weight:600;margin-left:4px;letter-spacing:0;}
.metric .num.orange{color:var(--c-brand);}
.metric .num.teal{color:#4FC3BE;}
.metric p{font-size:13.5px;color:#9AA0A6;margin:10px 0 0;line-height:1.7;}

/* ===== 通用板块 ===== */
.section{padding:80px 0;}
.section-alt{background:var(--c-surface);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.section-head .tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--c-brand);margin-bottom:10px;
}
.section-head .tag::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--c-brand);display:block;
}
.section-head h2{font-size:var(--fs-h2);letter-spacing:-.6px;}
.section-head p{
  font-size:15px;color:var(--c-ink-2);margin:10px 0 0;max-width:640px;line-height:1.8;
}
.section-head .head-link{flex:0 0 auto;}

/* ===== 服务矩阵 ===== */
.matrix{display:grid;grid-template-columns:7fr 5fr;gap:22px;align-items:stretch;}
.matrix-lead{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.matrix-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DBD3C8;color:var(--c-ink);}
.matrix-lead .pic{aspect-ratio:16/10;overflow:hidden;background:#EFEBE4;}
.matrix-lead .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.matrix-lead:hover .pic img{transform:scale(1.03);}
.matrix-lead .body{padding:26px 26px 28px;}
.matrix-lead .idx{
  font-size:13px;font-weight:700;color:var(--c-brand);letter-spacing:1px;margin-bottom:10px;display:block;
}
.matrix-lead h3{font-size:24px;margin-bottom:12px;}
.matrix-lead p{font-size:15px;color:var(--c-ink-2);line-height:1.85;}
.matrix-side{display:flex;flex-direction:column;gap:16px;}
.bar-card{
  flex:1;display:flex;align-items:center;gap:18px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.bar-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DBD3C8;color:var(--c-ink);}
.bar-card .ico{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:grid;place-items:center;font-size:17px;
  background:var(--c-accent-soft);color:var(--c-accent);
}
.bar-card:nth-child(2) .ico{background:rgba(255,107,53,.12);color:var(--c-brand-deep);}
.bar-card:nth-child(3) .ico{background:#EFEBE4;color:var(--c-ink);}
.bar-card .txt{flex:1 1 auto;min-width:0;}
.bar-card h3{font-size:17.5px;margin-bottom:5px;}
.bar-card p{font-size:13.5px;color:var(--c-ink-2);line-height:1.7;margin:0;}
.bar-card .arrow{color:var(--c-ink-2);flex:0 0 auto;transition:transform .2s ease,color .2s ease;}
.bar-card:hover .arrow{color:var(--c-brand);transform:translateX(4px);}

/* ===== 结果对比 ===== */
.compare{
  background:var(--c-accent-soft);
  border-top:1px solid #D3E7E5;border-bottom:1px solid #D3E7E5;
  padding:76px 0;
  position:relative;
}
.compare::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(11,110,110,.05) 0 1px,transparent 1px 14px);
}
.compare .container{position:relative;}
.compare-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px;}
.compare-item{
  background:var(--c-surface);border-radius:var(--r-card);padding:24px;
  border:1px solid #D3E7E5;box-shadow:var(--sh-1);
}
.compare-item h3{font-size:18px;margin-bottom:18px;}
.bar-row{margin-bottom:14px;}
.bar-row .bar-top{
  display:flex;justify-content:space-between;font-size:13px;color:var(--c-ink-2);margin-bottom:7px;
}
.bar-track{height:10px;border-radius:var(--r-pill);background:#EFEBE4;overflow:hidden;}
.bar-fill{height:100%;border-radius:var(--r-pill);transition:width .6s ease;}
.bar-fill.base{background:#C9C2B8;}
.bar-fill.goal{background:var(--c-brand);}
.bar-row.alt .bar-fill.goal{background:var(--c-accent);}
.compare-note{font-size:13px;color:var(--c-ink-2);margin-top:10px;line-height:1.7;}

/* ===== 最新信息 ===== */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:26px;}
.news-main{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DBD3C8;color:var(--c-ink);}
.news-main .pic{aspect-ratio:16/10;overflow:hidden;background:#EFEBE4;}
.news-main .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-main:hover .pic img{transform:scale(1.03);}
.news-main .body{padding:24px 26px 28px;}
.news-main h3{font-size:22px;margin:14px 0 12px;line-height:1.45;}
.news-main .summary{font-size:15px;color:var(--c-ink-2);line-height:1.85;margin-bottom:16px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-ink-2);}
.news-list{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:8px 24px;box-shadow:var(--sh-1);height:100%;
}
.news-item{
  display:block;padding:19px 0;border-bottom:1px solid var(--c-line);
  transition:color .18s ease;
}
.news-list li:last-child .news-item{border-bottom:0;}
.news-item:hover h3{color:var(--c-brand);}
.news-item h3{font-size:17px;line-height:1.6;margin:0 0 8px;transition:color .18s ease;}
.news-item .snippet{font-size:13.5px;color:var(--c-ink-2);line-height:1.75;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-item .meta-row{font-size:12.5px;}
.empty-state{
  background:var(--c-surface);border:1px dashed #D8D0C4;border-radius:var(--r-card);
  padding:52px 24px;text-align:center;color:var(--c-ink-2);
}
.empty-state i{font-size:26px;color:#C9C2B8;display:block;margin-bottom:14px;}
.empty-state p{font-size:15px;margin-bottom:16px;}

/* ===== 证据 / 声音 ===== */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.proof-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.proof-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.proof-card .stars{color:var(--c-brand);font-size:13px;letter-spacing:2px;margin-bottom:14px;}
.proof-card p{font-size:15px;line-height:1.85;color:var(--c-ink);margin-bottom:18px;}
.proof-person{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:var(--c-accent-soft);color:var(--c-accent);
  display:grid;place-items:center;font-weight:700;font-size:15px;
}
.proof-person strong{display:block;font-size:14.5px;}
.proof-person span{font-size:12.5px;color:var(--c-ink-2);}

/* ===== FAQ ===== */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion .accordion-title{
  border:0;padding:20px 56px 20px 24px;font-size:17px;font-weight:700;color:var(--c-ink);
  line-height:1.6;position:relative;background:transparent;transition:color .18s ease;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:transparent;color:var(--c-brand);}
.accordion .accordion-title::before{
  content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:15px;color:var(--c-ink-2);transition:transform .22s ease,color .22s ease;
  border:0;margin:0;width:auto;height:auto;background:transparent;
}
.accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);color:var(--c-brand);}
.accordion .accordion-content{
  border:0;padding:0 24px 20px;background:#FBFAF8;color:var(--c-ink-2);
  font-size:15.5px;line-height:1.85;
}
.accordion .accordion-content p{margin-bottom:12px;}

/* ===== CTA 表单 ===== */
.cta-section{
  background:var(--c-dark);color:#fff;padding:80px 0;position:relative;overflow:hidden;
}
.cta-section::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.28),transparent 68%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.cta-copy h2{color:#fff;font-size:var(--fs-h2);margin-bottom:18px;letter-spacing:-.6px;}
.cta-copy p{color:#9AA0A6;font-size:15.5px;line-height:1.9;}
.cta-points{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:11px;font-size:15px;color:#D5D9DD;line-height:1.7;}
.cta-points i{color:var(--c-brand);margin-top:5px;font-size:13px;}
.cta-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:#9AA0A6;}
.cta-contact strong{color:#fff;font-size:17px;font-weight:700;}
.form-card{
  background:var(--c-surface);border-radius:16px;padding:32px;box-shadow:0 30px 60px -40px rgba(0,0,0,.9);
  color:var(--c-ink);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:10px;border:1px solid var(--c-line);
  background:#FBFAF8;padding:0 14px;font-size:15px;color:var(--c-ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:118px;padding:13px 14px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8A9099 50%),linear-gradient(135deg,#8A9099 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 4px rgba(255,107,53,.12);outline:none;
}
.field .hint{font-size:12px;color:var(--c-ink-2);margin-top:6px;}
.field.error input,.field.error textarea,.field.error select{border-color:var(--c-err);}
.field.error .hint{color:var(--c-err);}
.form-note{font-size:12.5px;color:var(--c-ink-2);margin-top:14px;line-height:1.7;}
.form-success{
  display:none;margin-top:16px;padding:13px 16px;border-radius:10px;
  background:rgba(31,138,91,.1);border:1px solid rgba(31,138,91,.3);
  color:var(--c-ok);font-size:14px;
}
.form-success.show{display:block;}

/* ===== Footer ===== */
.site-footer{background:var(--c-dark);color:#9AA0A6;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{color:#fff;font-size:18px;font-weight:800;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:0;}
.site-footer p{font-size:13.5px;line-height:1.85;color:#9AA0A6;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#9AA0A6;font-size:14px;}
.footer-links a:hover{color:var(--c-brand);}
.footer-info li{font-size:13.5px;line-height:1.9;margin-bottom:8px;color:#9AA0A6;}
.footer-info i{color:var(--c-accent);width:16px;margin-right:6px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#7C838A;
}
.footer-bottom a{color:#7C838A;}
.footer-bottom a:hover{color:var(--c-brand);}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  :root{--fs-h1:34px;--fs-h2:26px;}
  .hero{padding:48px 0 84px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-sub{max-width:none;}
  .metrics{grid-template-columns:1fr 1fr;gap:24px 20px;padding:30px 26px;}
  .metric:nth-child(3){border-left:0;padding-left:0;}
  .matrix{grid-template-columns:1fr;}
  .compare-list{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
  .compare{padding:60px 0;}
}
@media screen and (max-width:767px){
  .topbar-search{display:none;}
  .topbar-tel{display:none;}
  .menu-toggle{display:inline-grid;place-items:center;}
  .topbar-actions .btn{display:none;}
  .hero h1{font-size:29px;letter-spacing:-.4px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .metrics{grid-template-columns:1fr 1fr;gap:20px 16px;padding:26px 20px;}
  .metric{padding-left:0;border-left:0;}
  .metric .num{font-size:36px;}
  .compare-list{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr;}
  .float-card{right:12px;bottom:-18px;min-width:160px;padding:12px 16px;}
  .float-card .num{font-size:24px;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .section{padding:48px 0;}
  .container{padding:0 16px;}
  .cta-section{padding:56px 0;}
  .hero-actions .btn{width:100%;}
}
@media screen and (max-width:519px){
  body{font-size:15.5px;}
  .hero h1{font-size:26px;}
  .metrics{grid-template-columns:1fr;}
  .brand-text small{display:none;}
  .news-main h3{font-size:19px;}
}

/* roulang page: article */
:root{
  --c-bg:#FAF8F5;
  --c-surface:#FFFFFF;
  --c-ink:#14171A;
  --c-ink-2:#5A6068;
  --c-line:#E8E2DA;
  --c-brand:#FF6B35;
  --c-brand-deep:#D94E1F;
  --c-accent:#0B6E6E;
  --c-accent-soft:#E6F2F1;
  --c-dark:#101314;
  --c-ok:#1F8A5B;
  --c-err:#D93A2B;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,23,26,.04);
  --sh-2:0 18px 34px -22px rgba(20,23,26,.22);
  --w-max:1180px;
  --topbar-h:65px;
  --channel-h:48px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-ink);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:visited{color:var(--c-ink)}
a:hover{color:var(--c-brand)}
p{margin:0 0 20px}
h1,h2,h3,h4,h5{font-family:inherit;color:var(--c-ink);margin:0}
ul,ol{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
.container{width:100%;max-width:var(--w-max);margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}
.cell{min-width:0;min-height:0}
.row-tight{margin-left:-12px;margin-right:-12px}
.row-tight>.cell{padding-left:12px;padding-right:12px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,248,245,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.topbar{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--c-brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.5px;box-shadow:0 8px 18px -12px rgba(255,107,53,.9)}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.3px}
.brand-text small{font-size:10.5px;color:var(--c-ink-2);letter-spacing:3px}
.search-box{margin-left:auto;position:relative;flex:0 1 300px}
.search-box input{width:100%;height:40px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;padding:0 44px 0 18px;font-size:14px;outline:none;transition:border-color .18s,box-shadow .18s}
.search-box input::placeholder{color:#9AA0A6}
.search-box input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,107,53,.14)}
.search-box i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--c-ink-2);font-size:14px;pointer-events:none}
.head-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.head-link{font-size:14px;color:var(--c-ink-2)}
.head-link:hover{color:var(--c-brand)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle:hover{background:var(--c-accent-soft);color:var(--c-accent)}

.channelbar{position:sticky;top:var(--topbar-h);z-index:55;background:#fff;border-bottom:1px solid var(--c-line)}
.channel-scroll{display:flex;align-items:center;gap:8px;height:var(--channel-h);overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none}
.ch{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 16px;border-radius:var(--r-pill);font-size:14.5px;color:var(--c-ink-2);white-space:nowrap;flex:0 0 auto;border:1px solid transparent}
.ch:hover{background:var(--c-accent-soft);color:var(--c-accent)}
.ch.active{background:var(--c-ink);color:#fff;border-color:var(--c-ink)}
.ch.active:visited{color:#fff}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .18s ease;white-space:nowrap}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 12px 24px -16px rgba(255,107,53,.9)}
.btn-primary:hover,.btn-primary:focus{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -16px rgba(217,78,31,.9)}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn-outline:hover{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.ghost-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-accent)}
.ghost-link i{transition:transform .2s ease}
.ghost-link:hover{color:var(--c-brand)}
.ghost-link:hover i{transform:translateX(4px)}

/* ---------- mobile drawer ---------- */
.mobile-drawer{position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:#fff;z-index:90;transform:translateX(102%);transition:transform .26s ease;box-shadow:-24px 0 60px -30px rgba(20,23,26,.4);display:flex;flex-direction:column;padding:20px;gap:4px}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line);margin-bottom:12px}
.drawer-title{font-weight:800;font-size:16px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--c-line);background:#fff;cursor:pointer;font-size:16px}
.drawer-close:hover{background:#FBFAF8}
.drawer-nav a{display:block;padding:14px 12px;border-radius:12px;font-size:16.5px;font-weight:600}
.drawer-nav a:hover{background:var(--c-accent-soft);color:var(--c-accent)}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line)}
.drawer-mask{position:fixed;inset:0;background:rgba(16,19,20,.42);z-index:85;opacity:0;pointer-events:none;transition:opacity .26s ease}
.drawer-mask.open{opacity:1;pointer-events:auto}
body.drawer-open{overflow:hidden}

/* ---------- article hero ---------- */
.article-hero{padding:30px 0 0;background:linear-gradient(180deg,#FFFFFF 0%,rgba(250,248,245,0) 100%)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-2);line-height:1.7}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{color:#C9C2B8}
.breadcrumb .current{color:#8A9099;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:20px 0 26px;max-width:900px}
.article-head h1{font-size:38px;line-height:1.32;font-weight:800;letter-spacing:-.6px;margin:16px 0 18px}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--c-ink-2)}
.pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.2px}
.pill-cat{background:var(--c-accent);color:#fff}
.pill-cat:visited{color:#fff}
.pill-soft{background:var(--c-accent-soft);color:var(--c-accent)}
.pill-brand{background:rgba(255,107,53,.12);color:var(--c-brand-deep)}
.hero-cover{margin:0 0 34px;border-radius:var(--r-lg);overflow:hidden;background:#EFEBE4;box-shadow:var(--sh-2)}
.hero-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- layout ---------- */
.article-layout{margin-left:-14px;margin-right:-14px;align-items:flex-start}
.article-layout>.cell{padding-left:14px;padding-right:14px}

/* ---------- article body ---------- */
.article-body{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:34px 40px;box-shadow:var(--sh-1);max-width:820px;overflow-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 22px;line-height:1.9}
.article-body h2{font-size:27px;font-weight:800;line-height:1.4;letter-spacing:-.3px;margin:42px 0 18px;padding-left:14px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--c-brand)}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body li{margin-bottom:10px;line-height:1.9}
.article-body ul li::marker{color:var(--c-brand);font-size:1.05em}
.article-body ol li::marker{color:var(--c-brand);font-weight:700}
.article-body blockquote{margin:26px 0;padding:18px 22px;background:#FBFAF8;border-left:3px solid var(--c-brand);border-radius:0 12px 12px 0;color:var(--c-ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption,.article-body .caption{text-align:center;font-size:13px;color:var(--c-ink-2);margin-top:10px;line-height:1.7}
.article-body a{color:var(--c-accent);border-bottom:1px solid rgba(11,110,110,.32)}
.article-body a:hover{color:var(--c-brand);border-bottom-color:var(--c-brand)}
.article-body strong{font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:34px 0}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;line-height:1.7}
.article-body th{background:#FBFAF8;font-weight:700}
.article-body pre{background:var(--c-dark);color:#E8E2DA;padding:18px 20px;border-radius:12px;overflow:auto;font-size:14px;line-height:1.7}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#F2EDE6;padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre code{background:none;padding:0;color:inherit}
.empty-state{text-align:center;padding:56px 30px}
.empty-state i{font-size:34px;color:#C9C2B8;margin-bottom:12px;display:block}
.empty-state p{font-size:16px;color:var(--c-ink-2);margin:0 0 20px}

/* ---------- sidebar ---------- */
.side{display:grid;gap:20px}
.side-sticky{position:sticky;top:calc(var(--topbar-h) + var(--channel-h) + 20px)}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card>h3{font-size:16px;font-weight:800;margin:0 0 16px;display:flex;align-items:center;gap:9px}
.side-card>h3::before{content:"";width:4px;height:16px;border-radius:4px;background:var(--c-brand);flex:0 0 auto}
.rel-list{list-style:none;padding:0;margin:0}
.rel-list li{padding:12px 0;border-bottom:1px dashed var(--c-line)}
.rel-list li:last-child{border-bottom:0;padding-bottom:0}
.rel-list li:first-child{padding-top:0}
.rel-list a{font-size:15px;font-weight:600;line-height:1.6;display:block}
.rel-list time{font-size:12.5px;color:#8A9099;display:block;margin-top:4px}
.rel-feature a.rel-thumb{display:block;border-radius:12px;overflow:hidden;background:#EFEBE4;margin-bottom:10px}
.rel-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.rel-feature a.rel-thumb:hover img{transform:scale(1.03)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);font-size:13px}
.tag:hover{background:var(--c-accent);color:#fff}

/* ---------- related ---------- */
.section{padding:64px 0}
.section-head{margin-bottom:30px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--c-accent);text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:30px;font-weight:800;letter-spacing:-.5px;line-height:1.35}
.section-head p{margin:12px 0 0;color:var(--c-ink-2);font-size:15.5px;max-width:720px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD4C9}
.rel-card:visited{color:var(--c-ink)}
.rel-media{overflow:hidden;background:#EFEBE4}
.rel-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:18px;font-weight:700;line-height:1.55}
.rel-body p{margin:0;font-size:14.5px;color:var(--c-ink-2);line-height:1.75}
.rel-body .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8A9099;margin-top:auto}

/* ---------- pager ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.pager-item{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pager-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD4C9}
.pager-item:visited{color:var(--c-ink)}
.pager-item span{font-size:13px;color:var(--c-ink-2)}
.pager-item strong{font-size:17px;font-weight:700;line-height:1.5}
.pager-item.next{text-align:right;align-items:flex-end}

/* ---------- cta ---------- */
.cta-band{background:var(--c-dark);border-radius:var(--r-lg);padding:44px 46px;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between}
.cta-band h2{color:#fff;font-size:27px;font-weight:800;letter-spacing:-.4px;line-height:1.4;margin-bottom:10px}
.cta-band p{color:#A8AEB4;margin:0;font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:#E6E3DE;padding:64px 0 26px;margin-top:70px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:12px}
.footer-brand strong{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.2px}
.site-footer p{color:#9AA0A6;font-size:14px;line-height:1.8;margin:0}
.site-footer h4{font-size:14.5px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.4px}
.footer-links,.footer-info{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer-links a{font-size:14px;color:#C7CCD1}
.footer-links a:hover{color:var(--c-brand)}
.footer-info li{font-size:14px;color:#9AA0A6;display:flex;gap:9px;align-items:flex-start;line-height:1.7}
.footer-info i{color:var(--c-accent-soft);margin-top:4px}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:#9AA0A6}
.footer-bottom a{color:#9AA0A6}
.footer-bottom a:hover{color:var(--c-brand)}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  :root{--topbar-h:57px}
  .container{padding:0 20px}
  .topbar{height:56px;gap:14px}
  .search-box{display:none}
  .head-actions .head-link{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .section{padding:56px 0}
  .article-head h1{font-size:31px}
  .article-body{padding:30px 28px;max-width:none}
  .side-sticky{position:static}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px 32px}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .brand-text strong{font-size:16px}
  .article-hero{padding:22px 0 0}
  .article-head{padding:16px 0 22px}
  .article-head h1{font-size:27px;line-height:1.38}
  .article-layout{margin-left:0;margin-right:0}
  .article-layout>.cell{padding-left:0;padding-right:0}
  .article-body{padding:24px 20px;border-radius:var(--r-card)}
  .article-body h2{font-size:22px;margin:34px 0 16px}
  .article-body h3{font-size:18.5px}
  .section{padding:46px 0}
  .section-head h2{font-size:24px}
  .pager{grid-template-columns:1fr}
  .pager-item.next{text-align:left;align-items:flex-start}
  .rel-grid{display:flex;gap:16px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory}
  .rel-card{flex:0 0 80%;scroll-snap-align:start}
  .cta-band{padding:30px 24px;border-radius:var(--r-card)}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 22px;margin-top:52px}
  .footer-bottom{margin-top:32px}
}
@media screen and (max-width:519px){
  .article-head h1{font-size:24px}
  .breadcrumb .current{max-width:26ch}
  .article-body{padding:20px 16px}
  .rel-card{flex:0 0 88%}
  .btn{padding:0 20px;font-size:14.5px}
}

/* roulang page: category1 */
:root{
  --c-bg:#FAF8F5;
  --c-surface:#FFFFFF;
  --c-ink:#14171A;
  --c-ink-2:#5A6068;
  --c-line:#E8E2DA;
  --c-brand:#FF6B35;
  --c-brand-deep:#D94E1F;
  --c-accent:#0B6E6E;
  --c-accent-soft:#E6F2F1;
  --c-dark:#101314;
  --c-ok:#1F8A5B;
  --c-err:#D93A2B;
  --r-card:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,23,26,.04);
  --sh-2:0 18px 34px -22px rgba(20,23,26,.22);
  --container:1180px;
}

/* ---------- 基础 reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--c-brand)}
a:visited{color:inherit}
h1,h2,h3,h4,h5,p,ul,ol,figure,form{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px}
::selection{background:rgba(255,107,53,.22)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 容器与栅格 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{flex:0 0 auto;min-width:0;padding-left:12px;padding-right:12px;margin-bottom:24px}
.grid-x.tight>.cell{margin-bottom:16px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;white-space:nowrap;transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease}
.btn i{font-size:13px}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover,.btn-primary:focus{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover,.btn-ghost:focus{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-dark{background:var(--c-dark);color:#fff}
.btn-dark:hover,.btn-dark:focus{background:#000;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.ghost-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-accent);transition:transform .2s ease,color .2s ease}
.ghost-link:hover{color:var(--c-brand);transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1}
.pill-accent{background:var(--c-accent-soft);color:var(--c-accent)}
.pill-brand{background:var(--c-brand);color:#fff}
.pill-line{border:1px solid var(--c-line);color:var(--c-ink-2);background:#fff}
.pill-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.2)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(250,248,245,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line)}
.topbar-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--c-dark);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.5px}
.brand-text{display:flex;align-items:baseline}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:-.3px}
.brand-text em{font-style:normal;font-size:12px;color:var(--c-ink-2);margin-left:5px}
.search{position:relative;flex:1 1 auto;max-width:320px;margin-left:auto}
.search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:13px;color:#9AA0A6}
.search input{width:100%;height:42px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;padding:0 16px 0 40px;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease}
.search input::placeholder{color:#A7ADB3}
.search input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,107,53,.14)}
.topbar-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.topbar-tel{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--c-ink-2)}
.topbar-tel:hover{color:var(--c-brand)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:16px;align-items:center;justify-content:center}

.channelbar{background:#fff;border-top:1px solid var(--c-line)}
.channel-scroll{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none}
.ch{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;padding:7px 16px;border-radius:var(--r-pill);font-size:15px;color:var(--c-ink-2);transition:background-color .2s ease,color .2s ease}
.ch i{font-size:12.5px}
.ch:hover{background:var(--c-accent-soft);color:var(--c-accent)}
.ch.active{background:var(--c-dark);color:#fff}
.ch.active:hover{background:#000;color:#fff}

.drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:14px 0 22px}
.drawer.open{display:block}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:17px;font-weight:600;border-bottom:1px solid var(--c-line)}
.drawer-list a i{color:var(--c-ink-2);font-size:13px}
.drawer-cta{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}
.drawer-cta .btn{flex:1 1 160px}

/* ---------- 页面首屏 ---------- */
.page-hero{position:relative;background-color:#1b1f20;background-image:url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center;color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(16,19,20,.92) 8%,rgba(16,19,20,.72) 48%,rgba(16,19,20,.5) 100%)}
.page-hero .container{position:relative;z-index:2}
.page-hero-inner{padding:44px 0 86px;max-width:760px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#B9BFC4;margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:#D8DCE0}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .cur{color:#8E959B}
.page-hero h1{font-size:42px;line-height:1.24;font-weight:700;letter-spacing:-.5px;margin:18px 0 18px}
.page-hero .lead{font-size:16.5px;color:#D3D8DC;max-width:620px;line-height:1.85}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-badges span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#E4E7E9;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);padding:6px 14px}
.hero-badges i{color:var(--c-brand);font-size:12px}

/* ---------- 深墨指标看板 ---------- */
.metric-strip{position:relative;z-index:5;margin-top:-52px}
.metric-panel{background:var(--c-dark);border-radius:var(--r-lg);padding:32px 32px 14px;box-shadow:0 26px 46px -30px rgba(16,19,20,.65)}
.metric{text-align:left}
.metric .num{font-size:46px;font-weight:800;line-height:1.1;letter-spacing:-1px;font-variant-numeric:tabular-nums;color:var(--c-brand)}
.metric .num.alt{color:#4FC7C0}
.metric .num .unit{font-size:15px;font-weight:600;color:#9AA0A6;margin-left:6px;letter-spacing:0}
.metric .cap{font-size:13.5px;color:#9AA0A6;margin-top:8px;line-height:1.7}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section.tint{background:var(--c-accent-soft)}
.section.plain{background:#fff}
.section-head{margin-bottom:34px;max-width:720px}
.tagline{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:1px;text-transform:uppercase}
.tagline::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--c-brand)}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.4px;margin:14px 0 12px}
.section-head p{color:var(--c-ink-2);font-size:15.5px}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* ---------- 卡片 ---------- */
.tile{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.tile:hover{transform:translateY(-2px);border-color:#DAD3C9;box-shadow:var(--sh-2)}
.tile h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.45}
.tile p{color:var(--c-ink-2);font-size:14.8px}
.tile-num{display:inline-block;font-size:13px;font-weight:800;color:var(--c-brand);letter-spacing:1px;font-variant-numeric:tabular-nums;margin-bottom:12px}
.tile-img{overflow:hidden}
.tile-img .thumb{position:relative;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:#EFEBE4;margin-bottom:18px}
.tile-img .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.tile:hover .tile-img .thumb img{transform:scale(1.03)}

.matrix-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:stretch}
.matrix-main{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease}
.matrix-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.matrix-main .thumb{aspect-ratio:16/10;overflow:hidden;background:#EFEBE4}
.matrix-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.matrix-main:hover .thumb img{transform:scale(1.03)}
.matrix-main .body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.matrix-main h3{font-size:23px;font-weight:700;line-height:1.4}
.matrix-main p{color:var(--c-ink-2);font-size:15px}
.matrix-side{display:flex;flex-direction:column;gap:16px}
.row-card{display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);flex:1;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.row-card:hover{transform:translateY(-2px);border-color:#DAD3C9;box-shadow:var(--sh-2)}
.row-card .no{flex:0 0 auto;width:44px;height:44px;border-radius:13px;background:var(--c-accent-soft);color:var(--c-accent);display:grid;place-items:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}
.row-card .txt{flex:1 1 auto;min-width:0}
.row-card h3{font-size:17px;font-weight:700;margin-bottom:4px}
.row-card p{font-size:14px;color:var(--c-ink-2)}
.row-card .arrow{color:var(--c-brand);font-size:14px;transition:transform .2s ease}
.row-card:hover .arrow{transform:translateX(4px)}

/* ---------- 场景卡 ---------- */
.scene-card{height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scene-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EFEBE4}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .thumb img{transform:scale(1.03)}
.scene-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-card h3{font-size:18.5px;font-weight:700}
.scene-card p{color:var(--c-ink-2);font-size:14.8px;flex:1}
.scene-dark{height:100%;background:var(--c-dark);border-radius:var(--r-card);padding:26px 24px;color:#fff;display:flex;flex-direction:column;gap:12px;transition:transform .25s ease,box-shadow .25s ease}
.scene-dark:hover{transform:translateY(-2px);box-shadow:0 26px 40px -26px rgba(16,19,20,.6)}
.scene-dark h3{font-size:18.5px;font-weight:700;color:#fff}
.scene-dark p{color:#A9B0B5;font-size:14.8px;flex:1}
.scene-dark .ghost-link{color:#4FC7C0}
.scene-dark .ghost-link:hover{color:var(--c-brand)}

/* ---------- 上手流程 ---------- */
.steps-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:38px 32px 18px;box-shadow:var(--sh-1)}
.step{position:relative;padding-left:58px;padding-bottom:26px}
.step .idx{position:absolute;left:0;top:-2px;width:42px;height:42px;border-radius:14px;background:var(--c-dark);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}
.step::after{content:"";position:absolute;left:21px;top:46px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--c-line),rgba(232,226,218,.2))}
.step:last-child::after{display:none}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{color:var(--c-ink-2);font-size:14.8px}
.step .pill{margin-top:12px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#DAD3C9}
.faq-item.open{border-color:rgba(255,107,53,.45);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 22px;font-size:17px;font-weight:700;color:var(--c-ink);background:none}
.faq-q .chev{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--c-accent-soft);color:var(--c-accent);display:grid;place-items:center;font-size:11px;transition:transform .25s ease,background-color .25s ease,color .25s ease}
.faq-item.open .faq-q .chev{transform:rotate(180deg);background:var(--c-brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;background:#FBFAF8}
.faq-a-inner{padding:2px 22px 20px;color:var(--c-ink-2);font-size:15px;line-height:1.85}

/* ---------- 转化表单 ---------- */
.cta-wrap{background:var(--c-dark);border-radius:var(--r-lg);padding:44px 40px;color:#fff;display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:start}
.cta-copy .tagline{color:#4FC7C0}
.cta-copy .tagline::before{background:var(--c-brand)}
.cta-copy h2{font-size:30px;line-height:1.35;font-weight:700;margin:14px 0 16px}
.cta-copy p{color:#A9B0B5;font-size:15px}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:14.8px;color:#D6DADD}
.cta-points i{color:var(--c-brand);margin-top:6px;font-size:12px}
.cta-contact{margin-top:24px;font-size:14px;color:#9AA0A6;line-height:1.9}
.cta-contact strong{color:#fff;font-weight:600}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-2)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:48px;border-radius:10px;border:1px solid var(--c-line);background:#FCFBF9;padding:0 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8E959B 50%),linear-gradient(135deg,#8E959B 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:44px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 3px rgba(255,107,53,.14)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-err);background:#FEF6F5}
.field .msg{display:none;font-size:12px;color:var(--c-err);margin-top:6px}
.field.has-error .msg{display:block}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-foot small{font-size:12.5px;color:#8E959B;line-height:1.7}
.form-note{margin-top:14px;font-size:13px;color:var(--c-ok);display:none}
.form-note.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:var(--c-brand);font-size:12px}
.footer-brand strong{font-size:17px;font-weight:700;color:#fff}
.site-footer p{color:#9AA0A6;font-size:14px;line-height:1.8}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#C2C7CB;font-size:14px}
.footer-links a:hover{color:var(--c-brand)}
.footer-info li{display:flex;gap:9px;align-items:flex-start;color:#9AA0A6;font-size:14px;margin-bottom:10px;line-height:1.7}
.footer-info i{margin-top:6px;font-size:12.5px;color:var(--c-accent)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#9AA0A6}
.footer-bottom a{color:#9AA0A6}
.footer-bottom a:hover{color:var(--c-brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .topbar-inner{height:60px}
  .search{display:none}
  .nav-toggle{display:inline-flex}
  .topbar-actions .btn-primary{display:none}
  .topbar-actions{margin-left:auto}
  .page-hero h1{font-size:34px}
  .page-hero-inner{padding:34px 0 78px}
  .section{padding:64px 0}
  .section-head h2{font-size:26px}
  .matrix-grid{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr;padding:34px 28px;gap:30px}
  .cta-copy h2{font-size:26px}
  .metric .num{font-size:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .grid-x{margin-left:-8px;margin-right:-8px}
  .grid-x>.cell{padding-left:8px;padding-right:8px}
  .page-hero h1{font-size:28px;letter-spacing:-.2px}
  .page-hero .lead{font-size:15.5px}
  .hero-actions .btn{flex:1 1 100%}
  .metric-strip{margin-top:-38px}
  .metric-panel{padding:26px 22px 10px}
  .section{padding:48px 0}
  .section-head h2{font-size:23px}
  .section-head.split{flex-direction:column;align-items:flex-start;gap:14px}
  .matrix-main h3{font-size:20px}
  .row-card{padding:18px}
  .steps-panel{padding:28px 22px 10px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .brand-text em{display:none}
  .brand-text strong{font-size:16.5px}
  .page-hero h1{font-size:25px}
  .metric .num{font-size:34px}
  .tile,.row-card{padding:18px}
  .cta-wrap{padding:26px 20px}
}

/* roulang page: category2 */
:root{
  --c-bg:#FAF8F5;
  --c-surface:#FFFFFF;
  --c-ink:#14171A;
  --c-ink-2:#5A6068;
  --c-ink-3:#8A9098;
  --c-line:#E8E2DA;
  --c-brand:#FF6B35;
  --c-brand-deep:#D94E1F;
  --c-accent:#0B6E6E;
  --c-accent-light:#3FB8B8;
  --c-accent-soft:#E6F2F1;
  --c-dark:#101314;
  --c-ok:#1F8A5B;
  --c-err:#D93A2B;
  --r-card:14px;
  --r-big:20px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,23,26,.04);
  --sh-2:0 18px 34px -22px rgba(20,23,26,.22);
  --w:1180px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,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:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:visited{color:var(--c-ink);}
a:hover{color:var(--c-brand);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.3px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-tight{padding:64px 0;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 10px 22px -16px rgba(255,107,53,.9);}
.btn-primary:hover{background:var(--c-brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-secondary{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-secondary:hover{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);}
.btn-block{width:100%;}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;height:27px;padding:0 13px;
  border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-accent);
  font-size:12.5px;font-weight:700;letter-spacing:.4px;
}
.eyebrow.brand{background:rgba(255,107,53,.12);color:var(--c-brand-deep);}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:27px;padding:0 13px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
}
.pill-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.pill-brand{background:var(--c-brand);color:#fff;}
.pill-line{border:1px solid var(--c-line);color:var(--c-ink-2);background:#fff;}
.ghost-link{
  display:inline-flex;align-items:center;gap:7px;color:var(--c-brand);
  font-size:14.5px;font-weight:700;
  transition:transform .18s ease,color .18s ease;
}
.ghost-link:hover{color:var(--c-brand-deep);transform:translateX(4px);}
.sec-head{max-width:780px;margin-bottom:30px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin:14px 0 10px;}
.sec-head p{color:var(--c-ink-2);font-size:15.5px;line-height:1.85;}
.divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,248,245,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:66px;}
.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;letter-spacing:-.4px;color:var(--c-ink);flex:0 0 auto;}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-brand),#FFA46E);
  color:#fff;display:grid;place-items:center;font-size:13.5px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 8px 18px -12px rgba(255,107,53,.95);
}
.brand-text{white-space:nowrap;}
.brand-text small{font-size:12px;font-weight:600;color:var(--c-ink-3);margin-left:5px;letter-spacing:.5px;}
.search-box{position:relative;margin-left:auto;width:290px;flex:0 1 auto;}
.search-box i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--c-ink-3);font-size:14px;}
.search-box input{
  width:100%;height:42px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;padding:0 18px 0 42px;font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,107,53,.14);}
.topbar-cta{flex:0 0 auto;height:42px;padding:0 22px;font-size:14.5px;}
.topbar-phone{font-size:13.5px;color:var(--c-ink-2);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.topbar-phone:hover{color:var(--c-accent);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--c-accent);color:var(--c-accent);}

.channelbar{background:#fff;border-bottom:1px solid var(--c-line);}
.channel-scroll{display:flex;gap:8px;align-items:center;overflow-x:auto;padding-top:8px;padding-bottom:8px;scrollbar-width:none;}
.channel-scroll::-webkit-scrollbar{display:none;}
.ch{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14.5px;color:var(--c-ink-2);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.ch:hover{background:var(--c-accent-soft);color:var(--c-accent);}
.ch.active{background:var(--c-ink);color:#fff;}
.ch.active:hover{background:var(--c-ink);color:#fff;}

.mobile-drawer{
  display:none;background:#fff;border-bottom:1px solid var(--c-line);
  padding:16px 0 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .md-list{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.mobile-drawer .md-list a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:16px;font-weight:600;padding:12px 4px;border-bottom:1px solid var(--c-line);color:var(--c-ink);
}
.mobile-drawer .md-list a:hover{color:var(--c-brand);}
.mobile-drawer .md-list a.is-active{color:var(--c-brand);}

/* ---------- 标题区 ---------- */
.cat-hero{
  position:relative;padding:62px 0 38px;overflow:hidden;
  background:
    radial-gradient(1100px 380px at 10% -20%, rgba(255,107,53,.12), transparent 62%),
    radial-gradient(900px 340px at 94% -6%, rgba(11,110,110,.12), transparent 64%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-3);margin-bottom:22px;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:#C9C1B7;}
.breadcrumb .current{color:var(--c-ink-3);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:36px;align-items:end;}
.cat-hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.32;font-weight:800;letter-spacing:-.6px;
  margin:16px 0 18px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-brand);}
.hero-lead{color:var(--c-ink-2);font-size:16px;max-width:640px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.trust-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);
}
.trust-badge i{color:var(--c-accent);font-size:12.5px;}
.filter-pills{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}
.filter-pills .fp{
  height:34px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;font-size:13.5px;color:var(--c-ink-2);
  display:inline-flex;align-items:center;transition:all .18s ease;
}
.filter-pills .fp:hover{border-color:var(--c-accent);color:var(--c-accent);}
.filter-pills .fp.active{background:var(--c-ink);border-color:var(--c-ink);color:#fff;}

/* ---------- 指标看板 ---------- */
.metrics{
  margin-top:36px;background:var(--c-dark);border-radius:var(--r-big);
  padding:30px 28px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.metric .m-top{display:flex;align-items:baseline;gap:6px;}
.metric .m-num{font-size:clamp(28px,3.4vw,46px);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-1px;color:var(--c-brand);line-height:1;}
.metric:nth-child(2) .m-num{color:var(--c-accent-light);}
.metric .m-unit{font-size:13px;color:#9AA0A6;font-weight:600;}
.metric .m-label{margin-top:10px;font-size:13.5px;color:#B9BEC4;line-height:1.7;}

/* ---------- 卡片网格 ---------- */
.masonry{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD4C9;}
.card-thumb{aspect-ratio:16/10;overflow:hidden;background:#EFEBE4;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;}
.card-body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.78;}
.card-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--c-ink-3);}
.card-meta i{margin-right:5px;}
.card-body .ghost-link{margin-top:auto;padding-top:6px;}

.card-feature{grid-column:span 12;display:grid;grid-template-columns:1.12fr 1fr;}
.card-feature .card-thumb{aspect-ratio:auto;height:100%;min-height:320px;}
.card-feature .card-body{padding:32px 34px;justify-content:center;gap:14px;}
.card-feature .card-body h3{font-size:23px;line-height:1.45;}
.card-feature .card-body p{font-size:15.5px;}

.card-mid{grid-column:span 3;}
.card-tone{
  grid-column:span 4;padding:26px;justify-content:space-between;gap:16px;
  background:var(--c-accent-soft);border-color:transparent;
}
.card-tone h3{font-size:18px;line-height:1.5;}
.card-tone p{font-size:14.5px;color:#3D5656;line-height:1.78;}
.card-tone.is-dark{background:var(--c-dark);}
.card-tone.is-dark h3{color:#fff;}
.card-tone.is-dark p{color:#B9BEC4;}
.card-tone.is-dark .ghost-link{color:var(--c-accent-light);}
.card-tone.is-dark .ghost-link:hover{color:#fff;}
.card-tone.is-plain{background:#fff;border-color:var(--c-line);}

/* ---------- 类型速览 ---------- */
.type-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:40px;align-items:start;}
.type-side h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin:14px 0 14px;}
.type-side p{color:var(--c-ink-2);font-size:15.5px;margin-bottom:22px;}
.type-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.type-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.type-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD4C9;}
.type-card .t-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,107,53,.12);color:var(--c-brand-deep);font-size:17px;margin-bottom:14px;
}
.type-card:nth-child(even) .t-ico{background:var(--c-accent-soft);color:var(--c-accent);}
.type-card h3{font-size:17px;margin-bottom:8px;}
.type-card p{font-size:14.5px;color:var(--c-ink-2);line-height:1.78;}

/* ---------- 流程 ---------- */
.flow-band{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
  position:relative;background:#FBFAF8;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:#fff;}
.step .num{font-size:13px;font-weight:800;color:var(--c-brand);letter-spacing:1.5px;}
.step h3{font-size:17px;margin:12px 0 8px;}
.step p{font-size:14.5px;color:var(--c-ink-2);line-height:1.78;}
.step::after{
  content:"";position:absolute;right:-11px;top:50px;width:22px;height:1px;background:var(--c-line);
}
.steps .step:last-child::after{display:none;}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:34px;align-items:stretch;}
.scene-media{
  position:relative;border-radius:var(--r-big);overflow:hidden;min-height:360px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  display:flex;align-items:flex-end;
}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,19,20,.32) 0%,rgba(16,19,20,.78) 100%);
}
.scene-media-inner{position:relative;z-index:2;padding:34px;color:#fff;}
.scene-media-inner h3{font-size:22px;line-height:1.45;margin:12px 0 10px;}
.scene-media-inner p{font-size:14.5px;color:rgba(255,255,255,.82);max-width:520px;}
.scene-media-inner .pill{background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(4px);}
.scene-list{display:flex;flex-direction:column;justify-content:center;}
.scene-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--c-line);}
.scene-item:first-child{padding-top:0;}
.scene-item:last-child{border-bottom:0;padding-bottom:0;}
.scene-ico{
  width:38px;height:38px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
  background:var(--c-accent-soft);color:var(--c-accent);font-size:15px;
}
.scene-item h4{font-size:16.5px;margin-bottom:4px;}
.scene-item p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{border:0;background:transparent;margin:0;}
.faq-list .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-list .accordion-title{
  font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.55;
  padding:20px 56px 20px 24px;border:0;background:#fff;position:relative;
  transition:color .18s ease,background-color .18s ease;
}
.faq-list .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  color:var(--c-ink-3);font-size:13px;transition:transform .2s ease,color .2s ease;
}
.faq-list .accordion-item.is-active .accordion-title{color:var(--c-brand);}
.faq-list .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);color:var(--c-brand);}
.faq-list .accordion-title:hover{color:var(--c-brand);background:#FCFAF7;}
.faq-list .accordion-content{
  background:#FBFAF8;border:0;border-top:1px solid var(--c-line);
  padding:18px 24px 22px;color:var(--c-ink-2);font-size:15px;line-height:1.88;
}

/* ---------- 咨询表单 ---------- */
.cta-block{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-big);
  box-shadow:var(--sh-1);padding:40px;
}
.cta-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:40px;align-items:start;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin:14px 0 14px;}
.cta-copy p{color:var(--c-ink-2);font-size:15.5px;margin-bottom:20px;}
.cta-points{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:24px;}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink-2);line-height:1.7;}
.cta-points i{color:var(--c-ok);margin-top:5px;font-size:13px;}
.cta-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--c-ink-2);}
.cta-contact span{display:inline-flex;align-items:center;gap:8px;}
.cta-contact i{color:var(--c-accent);}
.form-card{background:#FDFCFA;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px;letter-spacing:.2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#fff;padding:0 14px;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;line-height:1.75;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,107,53,.14);
}
.field .hint{display:block;font-size:12px;color:var(--c-ink-3);margin-top:6px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-size:12.5px;color:var(--c-ink-3);margin-top:14px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:66px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand strong{font-size:17px;font-weight:800;letter-spacing:-.3px;}
.site-footer p{color:#B9BEC4;font-size:14px;line-height:1.85;}
.site-footer h4{font-size:15px;margin-bottom:16px;color:#fff;}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#B9BEC4;font-size:14px;}
.footer-links a:hover{color:var(--c-brand);}
.footer-info{list-style:none;display:flex;flex-direction:column;gap:10px;color:#B9BEC4;font-size:14px;}
.footer-info i{margin-right:8px;color:var(--c-accent-light);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding:20px 0 28px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  color:#9AA0A6;font-size:12.5px;
}
.footer-bottom a{color:#9AA0A6;}
.footer-bottom a:hover{color:var(--c-brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:26px;}
  .filter-pills{justify-content:flex-start;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .card-mid{grid-column:span 6;}
  .card-tone{grid-column:span 6;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .type-grid{grid-template-columns:1fr;gap:28px;}
  .scene-grid{grid-template-columns:1fr;gap:26px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .search-box{width:220px;}
}
@media (max-width:860px){
  .search-box,.topbar-phone{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .topbar-cta{margin-left:12px;}
  .card-feature{grid-template-columns:1fr;}
  .card-feature .card-thumb{min-height:230px;aspect-ratio:16/9;}
  .card-feature .card-body{padding:24px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-tight{padding:44px 0;}
  .cat-hero{padding:40px 0 26px;}
  .metrics{grid-template-columns:1fr 1fr;padding:24px 20px;gap:18px;}
  .card-mid,.card-tone{grid-column:span 12;}
  .type-cards{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .cta-block{padding:24px 20px;}
  .form-card{padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-text small{display:none;}
  .hero-trust{gap:8px;}
}
@media (max-width:380px){
  .metrics{grid-template-columns:1fr;}
}