/* roulang page: index */
:root{
  --brand:#F04E23;--brand-deep:#C93C16;--brand-light:#FF7A4D;
  --accent:#0FB5A0;--accent-soft:rgba(15,181,160,.10);
  --ink:#14161A;--ink-2:#3A3F47;--muted:#6B7280;
  --line:#E4E1DB;--line-soft:#EFECE6;--bg:#F6F4F0;--card:#FFFFFF;--panel:#14161A;
  --warn:#F5A524;--danger:#E5484D;
  --radius:18px;--radius-sm:12px;--radius-lg:22px;
  --shadow:0 1px 2px rgba(20,22,26,.04),0 12px 32px -14px rgba(20,22,26,.14);
  --shadow-hover:0 2px 8px rgba(20,22,26,.06),0 24px 44px -18px rgba(20,22,26,.22);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",system-ui,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-cn);font-size:16px;line-height:1.75;color:var(--ink-2);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 10% 12%,rgba(240,78,35,.055),transparent 42%),
    radial-gradient(circle at 90% 6%,rgba(15,181,160,.05),transparent 38%);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;font-weight:700}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:12px;border:1.5px solid transparent;
  font-weight:600;font-size:15px;line-height:1.2;cursor:pointer;
  transition:all .22s cubic-bezier(.22,.61,.36,1);white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px -8px rgba(240,78,35,.6)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(240,78,35,.14),0 12px 24px -10px rgba(240,78,35,.7)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(255,255,255,.18)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.text-link{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:600;font-size:14px}
.text-link i{transition:transform .2s ease}
.text-link:hover i{transform:translateX(3px)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;padding:12px 0;
  background:linear-gradient(180deg,rgba(246,244,240,.95),rgba(246,244,240,.72));
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:10px 12px;box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:800;font-size:16px;letter-spacing:-.4px;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.14);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.2px}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:.4px}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:12px;
  background:#F6F4F0;border:1px solid transparent;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .2s ease;
}
.nav-card i{font-size:12px;color:var(--muted);transition:transform .2s ease,color .2s ease}
.nav-card:hover{background:rgba(240,78,35,.09);color:var(--brand)}
.nav-card:hover i{color:var(--brand);transform:translateX(2px) rotate(-6deg)}
.nav-card.active{background:rgba(240,78,35,.12);border-color:rgba(240,78,35,.35);color:var(--brand-deep)}
.nav-card.active i{color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#F6F4F0;color:var(--ink);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.mobile-menu{display:none;margin-top:10px}
.mobile-menu.open{display:block}
.mobile-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);
}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-grid .nav-card{justify-content:flex-start;padding:12px 14px;background:#F6F4F0}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--panel);color:#fff;padding:66px 0 78px}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,22,26,.94) 0%,rgba(20,22,26,.82) 46%,rgba(20,22,26,.62) 100%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  font-size:13px;font-weight:600;letter-spacing:.6px;color:rgba(255,255,255,.88);margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.hero h1{
  color:#fff;font-size:clamp(2.05rem,4.6vw,3.6rem);font-weight:800;line-height:1.1;letter-spacing:-.01em;
  max-width:15em;
}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-badges li{
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;
  color:rgba(255,255,255,.85);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
}
.hero-card{
  background:#fff;border-radius:var(--radius-lg);padding:26px;color:var(--ink-2);
  box-shadow:0 30px 60px -22px rgba(0,0,0,.55);
}
.hero-card h2{font-size:15px;font-weight:700;letter-spacing:.4px;color:var(--muted);text-transform:none}
.hero-card .stat-list{margin-top:18px;display:flex;flex-direction:column;gap:16px}
.hero-card .stat{display:flex;flex-direction:column;gap:2px;padding-bottom:14px;border-bottom:1px dashed var(--line-soft)}
.hero-card .stat:last-child{border-bottom:0;padding-bottom:0}
.hero-card .stat strong{font-family:var(--font-num);font-size:30px;font-weight:800;color:var(--brand);line-height:1.1}
.hero-card .stat span{font-size:13px;color:var(--muted)}
@media(min-width:1024px){
  .hero{padding:82px 0 92px;min-height:84vh;display:flex;align-items:center}
  .hero-inner{grid-template-columns:1.35fr .8fr}
  .hero{padding:88px 0 96px}
}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.4px;color:var(--brand);
  padding:5px 12px;border-radius:999px;background:rgba(240,78,35,.09);margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;letter-spacing:-.01em;max-width:22em}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:40em}
.section-alt{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}

/* ---------- 阶梯 ---------- */
.ladder{display:grid;grid-template-columns:1fr;gap:20px;align-items:end}
.rung{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rung:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,78,35,.35)}
.rung-no{font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:1.6px;color:var(--muted)}
.rung h3{margin-top:8px;font-size:1.3rem;font-weight:700}
.rung > p{margin-top:8px;font-size:14px;color:var(--muted);min-height:44px}
.rung ul{margin-top:16px;border-top:1px dashed var(--line-soft);padding-top:16px;display:flex;flex-direction:column;gap:10px}
.rung ul li{display:flex;gap:9px;font-size:14px;color:var(--ink-2)}
.rung ul li i{color:var(--accent);margin-top:5px;font-size:11px}
.rung-mid{border-color:rgba(240,78,35,.3)}
.rung-top{border-color:rgba(240,78,35,.5);box-shadow:0 1px 2px rgba(20,22,26,.04),0 20px 44px -18px rgba(240,78,35,.35)}
@media(min-width:768px){
  .ladder{grid-template-columns:repeat(3,1fr)}
  .rung:nth-child(1){min-height:300px}
  .rung:nth-child(2){min-height:340px;background:linear-gradient(180deg,#fff 60%,rgba(240,78,35,.045))}
  .rung:nth-child(3){min-height:380px;background:linear-gradient(180deg,#fff 45%,rgba(240,78,35,.09))}
}

/* ---------- 服务能力 ---------- */
.cap-grid{display:grid;grid-template-columns:1fr;gap:20px}
.cap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cap:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,78,35,.3)}
.cap-ico{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(240,78,35,.1);color:var(--brand);font-size:18px;margin-bottom:18px;
  transition:transform .25s ease;
}
.cap:hover .cap-ico{transform:rotate(-8deg) translateY(-2px)}
.cap h3{font-size:1.12rem;font-weight:700}
.cap p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.cap .tagline{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-soft);font-size:13px;color:var(--muted)}
@media(min-width:768px){.cap-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cap-grid{grid-template-columns:repeat(4,1fr)}}

/* ---------- 套餐对比 ---------- */
.plans{display:grid;grid-template-columns:1fr;gap:20px}
.plan{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;
  display:flex;flex-direction:column;box-shadow:var(--shadow);position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.plan-name{font-size:1.05rem;font-weight:700}
.plan-desc{margin-top:6px;font-size:13px;color:var(--muted);min-height:40px}
.plan-price{margin-top:18px;display:flex;align-items:baseline;gap:6px;color:var(--ink)}
.plan-price b{font-family:var(--font-num);font-size:34px;font-weight:800;letter-spacing:-.5px}
.plan-price span{font-size:13px;color:var(--muted)}
.plan-list{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line-soft);display:flex;flex-direction:column;gap:12px;flex:1}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.plan-list li i{font-size:12px;margin-top:5px}
.plan-list li.on i{color:var(--accent)}
.plan-list li.off{color:#9CA3AF}
.plan-list li.off i{color:#D1D5DB}
.plan .btn{margin-top:24px}
.plan-reco{border:1.5px solid var(--brand);box-shadow:0 1px 2px rgba(20,22,26,.04),0 22px 46px -20px rgba(240,78,35,.45)}
.plan-flag{
  position:absolute;top:-13px;left:28px;padding:4px 13px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:12px;font-weight:700;letter-spacing:.6px;
}
@media(min-width:900px){.plans{grid-template-columns:repeat(3,1fr)}}

/* ---------- 限时入口 ---------- */
.flash{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--panel);
  color:#fff;padding:38px 30px;display:grid;gap:28px;
}
.flash-bg{position:absolute;inset:0;z-index:0}
.flash-bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.flash-inner{position:relative;z-index:1;display:grid;gap:26px;align-items:center}
.flash h2{color:#fff;font-size:clamp(1.35rem,2.6vw,1.9rem);font-weight:700}
.flash p{margin-top:10px;color:rgba(255,255,255,.72);font-size:14.5px;max-width:32em}
.countdown{display:flex;gap:12px}
.cd-cell{
  min-width:78px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:12px 10px;text-align:center;
}
.cd-cell b{display:block;font-family:var(--font-num);font-size:28px;font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.cd-cell span{display:block;margin-top:5px;font-size:11px;letter-spacing:1px;color:rgba(255,255,255,.6)}
.cd-cell b.pulse{animation:pulse .12s ease}
@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.09)}100%{transform:scale(1)}}
.flash-note{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.55)}
@media(min-width:900px){
  .flash{padding:52px 48px}
  .flash-inner{grid-template-columns:1fr auto}
}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:1fr;gap:22px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,78,35,.32)}
.post-cover{aspect-ratio:16/10;overflow:hidden;background:#EFECE6}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.post-card:hover .post-cover img{transform:scale(1.05)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.badge{
  align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--accent-soft);color:#0A8C7C;margin-bottom:12px;
}
.post-body h3{font-size:1.03rem;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.post-card:hover .post-body h3{color:var(--brand)}
.post-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);
}
.post-meta .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.post-card:hover .post-meta .go i{transform:translateX(3px)}
.post-meta .go i{transition:transform .2s ease}
.empty-state{
  grid-column:1/-1;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:30px;color:#C9C4BB;margin-bottom:14px;display:block}
.empty-state p{font-size:14.5px;margin-bottom:18px}
@media(min-width:700px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(240,78,35,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;gap:16px;
  font-size:15.5px;font-weight:600;color:var(--ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16%;height:68%;width:4px;border-radius:0 4px 4px 0;
  background:var(--brand);transform:scaleY(0);transform-origin:center;transition:transform .2s ease;
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary .q{flex:1}
.faq-item summary .plus{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;background:#F6F4F0;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-answer{padding:0 24px 22px 24px;font-size:14.5px;color:var(--ink-2);line-height:1.85;border-top:1px dashed var(--line-soft);padding-top:16px}
.faq-side{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow);position:sticky;top:96px;
}
.faq-side img{border-radius:14px;aspect-ratio:16/10;object-fit:cover;width:100%}
.faq-side h3{margin-top:18px;font-size:1.08rem;font-weight:700}
.faq-side p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}
.faq-side ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.faq-side ul li{display:flex;gap:9px;font-size:13.5px;color:var(--ink-2)}
.faq-side ul li i{color:var(--brand);font-size:11px;margin-top:5px}
@media(min-width:1024px){.faq-grid{grid-template-columns:.95fr 1fr}}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr;gap:26px}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow)}
.form-row{margin-bottom:18px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field label{font-size:13px;font-weight:600;color:var(--muted)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:#FCFBF9;color:var(--ink);font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-field textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-field input:hover,.form-field select:hover,.form-field textarea:hover{border-color:#CFC9BF}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(240,78,35,.14);
}
.form-field select{
  appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:38px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.form-submit{margin-top:6px}
.form-tip{margin-top:14px;font-size:12.5px;color:var(--muted)}
.form-msg{margin-top:14px;font-size:14px;color:#0A8C7C;display:none}
.form-msg.show{display:block}
.trust-card{background:var(--panel);color:rgba(255,255,255,.8);border-radius:var(--radius-lg);padding:30px;position:relative;overflow:hidden}
.trust-card h3{color:#fff;font-size:1.15rem;font-weight:700}
.trust-card > p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.trust-steps{margin-top:24px;display:flex;flex-direction:column;gap:18px}
.trust-step{display:flex;gap:14px}
.trust-step .n{
  width:30px;height:30px;flex-shrink:0;border-radius:9px;background:rgba(240,78,35,.9);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-weight:700;font-size:13px;
}
.trust-step b{display:block;color:#fff;font-size:14.5px;font-weight:600}
.trust-step span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.7}
.trust-foot{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:rgba(255,255,255,.62)}
.trust-foot span{display:inline-flex;align-items:center;gap:8px}
.trust-foot i{color:var(--brand-light);font-size:12px}
@media(min-width:1024px){.contact-grid{grid-template-columns:1.1fr .85fr}}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background:linear-gradient(115deg,var(--brand),var(--brand-deep));
  border-radius:var(--radius-lg);padding:38px 30px;color:#fff;
  display:grid;gap:24px;align-items:center;
  box-shadow:0 26px 50px -24px rgba(240,78,35,.65);
}
.cta-band h2{color:#fff;font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:700}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.85);max-width:34em}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-band{grid-template-columns:1fr auto;padding:46px 48px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel);color:rgba(255,255,255,.62);margin-top:80px;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:30em}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:13.5px}
.footer-contact span{display:inline-flex;align-items:center;gap:9px;color:rgba(255,255,255,.7)}
.footer-contact i{color:var(--brand-light);font-size:12px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.5px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.62);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.45);
}
@media(min-width:700px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
@media(min-width:1024px){.site-footer{padding:76px 0 34px}}

/* ---------- 入场动效 ---------- */
html.js-anim .reveal{opacity:0;transform:translateY(16px)}
html.js-anim .reveal.in{
  opacity:1;transform:none;
  transition:opacity .42s cubic-bezier(.22,.61,.36,1),transform .42s cubic-bezier(.22,.61,.36,1);
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html.js-anim .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式导航 ---------- */
@media(max-width:1023px){
  .nav-cards{display:none}
  .nav-toggle{display:flex}
  .nav-cta .btn{display:none}
  .nav-panel{justify-content:space-between}
  .hero-badges li{font-size:12.5px}
}
@media(max-width:520px){
  .brand-text small{display:none}
  .hero{padding:48px 0 56px}
  .hero-actions .btn{width:100%}
  .cd-cell{min-width:64px;padding:10px 8px}
  .cd-cell b{font-size:23px}
  .section{padding:56px 0}
  .form-card,.trust-card,.faq-side{padding:22px}
}

/* roulang page: article */
:root{
  --brand:#F04E23;
  --brand-deep:#C93C16;
  --brand-soft:#FF7A4D;
  --accent:#0FB5A0;
  --warn:#F5A524;
  --danger:#E5484D;
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7280;
  --line:#E4E1DB;
  --bg:#F6F4F0;
  --card:#FFFFFF;
  --dark:#14161A;
  --radius-s:12px;
  --radius-m:16px;
  --radius-l:20px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(20,22,26,.04), 0 12px 32px -14px rgba(20,22,26,.14);
  --shadow-2:0 2px 6px rgba(20,22,26,.06), 0 20px 44px -18px rgba(20,22,26,.22);
  --font: "HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-num: "Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  background-image:radial-gradient(circle at 12% 0%, rgba(240,78,35,.06), transparent 46%), radial-gradient(circle at 92% 6%, rgba(15,181,160,.06), transparent 42%);
  background-repeat:no-repeat;
}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-s);border:1.5px solid transparent;
  font-weight:600;font-size:15px;line-height:1;padding:14px 26px;
  cursor:pointer;transition:all .22s cubic-bezier(.22,.61,.36,1);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -10px rgba(240,78,35,.7)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(240,78,35,.14),0 12px 26px -12px rgba(201,60,22,.8)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:#FFEFE9;color:var(--brand-deep);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--brand);padding:10px 4px;font-weight:600}
.btn-ghost i{transition:transform .2s ease}
.btn-ghost:hover i{transform:translateX(3px)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-block{display:flex;width:100%}

/* ---------- 品牌 ---------- */
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-family:var(--font-num);font-weight:800;font-size:16px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:17px;color:var(--ink);font-weight:800;letter-spacing:-.01em}
.brand-text small{font-size:11.5px;color:var(--muted);letter-spacing:.02em}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:12px 16px;
  box-shadow:var(--shadow-1);
}
.nav-cards{display:none;flex:1;align-items:center;gap:8px;justify-content:center}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--radius-s);
  background:#F7F5F1;border:1px solid transparent;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .2s cubic-bezier(.22,.61,.36,1);
}
.nav-card i{font-size:13px;color:var(--muted);transition:transform .2s ease,color .2s ease}
.nav-card:hover{background:#FFEDE6;color:var(--brand);border-color:rgba(240,78,35,.22)}
.nav-card:hover i{color:var(--brand);transform:translateY(-2px) rotate(-6deg)}
.nav-card.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.nav-card.active i{color:#fff}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;cursor:pointer;transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mobile-menu{display:none;margin-top:10px}
.mobile-menu.open{display:block}
.mobile-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:16px;box-shadow:var(--shadow-2);
}
.mobile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.mobile-grid .nav-card{justify-content:flex-start;width:100%}
@media (min-width:1024px){
  .nav-cards{display:flex}
  .nav-toggle{display:none}
  .mobile-menu{display:none !important}
  .brand-text b{font-size:18px}
}

/* ---------- 面包屑 ---------- */
.crumb{padding:26px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C7C3BB}
.crumb .current{color:var(--ink);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:24px 0 8px}
.article-head h1{
  font-size:clamp(1.75rem,3.6vw,2.9rem);
  font-weight:800;line-height:1.2;letter-spacing:-.015em;
  max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(15,181,160,.1);color:#0B8B7B;border:1px solid rgba(15,181,160,.2);
}
.chip-plain{background:#F3F1EC;color:var(--ink-2);border-color:var(--line)}
.meta-time{font-family:var(--font-num);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.rule{height:1px;background:var(--line);border:0;margin:22px 0 0}

/* ---------- 布局 ---------- */
.section{padding:60px 0}
@media (min-width:1024px){.section{padding:80px 0}}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;padding:36px 0 8px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 330px;gap:48px;padding:44px 0 8px}
}
.article-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px 20px;box-shadow:var(--shadow-1);
}
@media (min-width:768px){.article-main{padding:40px 44px}}

/* ---------- 正文排版 ---------- */
.article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--ink-2)}
.article-body > * + *{margin-top:1.2em}
.article-body p{font-size:17px;line-height:1.9;color:var(--ink-2)}
.article-body h2{
  position:relative;font-size:clamp(1.32rem,2.2vw,1.65rem);font-weight:700;line-height:1.35;
  padding-left:16px;margin-top:2em;margin-bottom:.7em;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-soft));
}
.article-body h3{font-size:1.2rem;font-weight:700;margin-top:1.6em;margin-bottom:.6em;color:var(--ink)}
.article-body h4{font-size:1.05rem;font-weight:600;margin-top:1.4em;color:var(--ink)}
.article-body a{color:var(--brand-deep);font-weight:600;border-bottom:1px solid rgba(240,78,35,.35);transition:all .2s ease}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-left:4px solid var(--brand);
  background:#FFF4EF;border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--ink-2);
}
.article-body blockquote p{margin:0;font-size:16.5px}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);opacity:.85;
}
.article-body ol{counter-reset:item;list-style:none}
.article-body ol li{position:relative;padding-left:32px;margin:.6em 0;counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.32em;
  width:22px;height:22px;border-radius:7px;background:#FFEDE6;color:var(--brand-deep);
  font-family:var(--font-num);font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-body strong{color:var(--ink);font-weight:700}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden}
.article-body th{background:#F7F5F1;text-align:left;padding:12px 14px;font-weight:600;color:var(--ink)}
.article-body td{padding:12px 14px;border-top:1px solid var(--line)}
.empty-state{text-align:center;padding:56px 20px}
.empty-state i{font-size:34px;color:var(--brand);opacity:.6}
.empty-state p{margin:16px 0 22px;font-size:17px;color:var(--ink)}

/* ---------- 标签 / 继续浏览 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;background:#F7F5F1;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-2);transition:all .2s ease;
}
.tag:hover{background:#FFEDE6;border-color:rgba(240,78,35,.3);color:var(--brand-deep);transform:translateY(-2px)}
.np-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:28px}
@media (min-width:768px){.np-grid{grid-template-columns:1fr 1fr}}
.np-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 20px;transition:all .24s cubic-bezier(.22,.61,.36,1);display:block;
}
.np-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(240,78,35,.3)}
.np-card small{font-size:12.5px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.np-card b{display:block;margin-top:8px;font-size:16px;color:var(--ink);font-weight:700}
.np-card:hover b{color:var(--brand)}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:18px}
@media (min-width:1024px){
  .article-side{position:sticky;top:104px;align-self:start}
}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3 i{color:var(--brand);font-size:13px}
.toc{display:flex;flex-direction:column;gap:4px}
.toc a{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);
  padding:9px 10px;border-radius:10px;border-left:3px solid transparent;transition:all .2s ease;
}
.toc a::before{content:"";width:6px;height:6px;border-radius:2px;background:#CFCAC2;transition:background .2s ease}
.toc a:hover{background:#F7F5F1;color:var(--brand);border-left-color:var(--brand)}
.toc a:hover::before{background:var(--brand)}
.hot-list{display:flex;flex-direction:column;gap:12px}
.hot-item{display:flex;gap:12px;align-items:flex-start;transition:transform .2s ease}
.hot-item:hover{transform:translateX(3px)}
.hot-item span.num{
  flex:0 0 24px;height:24px;border-radius:8px;background:#F3F1EC;color:var(--muted);
  font-family:var(--font-num);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.hot-item:nth-child(1) span.num{background:var(--brand);color:#fff}
.hot-item:nth-child(2) span.num{background:#FFDDD2;color:var(--brand-deep)}
.hot-item b{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;display:block}
.hot-item:hover b{color:var(--brand)}
.hot-item small{font-size:12px;color:var(--muted)}
.side-cta{
  background:linear-gradient(150deg,#1B1E24 0%,#14161A 100%);
  border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-m);
  padding:24px 20px;color:#fff;
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:10px}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.75;margin-bottom:18px}

/* ---------- 卡片网格 ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-label{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:10px;
}
.sec-label::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--brand)}
.sec-head h2{font-size:clamp(1.45rem,2.6vw,2.05rem);font-weight:700;line-height:1.3}
.sec-head p{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:62ch}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .26s cubic-bezier(.22,.61,.36,1),box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(240,78,35,.28)}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEBE5}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.card:hover .card-cover img{transform:scale(1.045)}
.card-cover .badge{
  position:absolute;left:12px;top:12px;padding:5px 11px;border-radius:999px;
  background:rgba(15,181,160,.92);color:#fff;font-size:12px;font-weight:600;backdrop-filter:blur(4px);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink);transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{
  margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.card-foot i{color:var(--brand);transition:transform .2s ease}
.card:hover .card-foot i{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);padding:12px 20px;box-shadow:var(--shadow-1)}
@media (min-width:768px){.faq-wrap{padding:16px 28px}}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;gap:14px;padding:20px 0;
  font-size:16px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-q::before{content:"";width:4px;height:18px;border-radius:2px;background:#DEDAD3;transition:background .2s ease}
.faq-item.open .faq-q{color:var(--brand-deep)}
.faq-item.open .faq-q::before{background:var(--brand)}
.faq-q .plus{
  margin-left:auto;flex:0 0 26px;width:26px;height:26px;border-radius:9px;background:#F3F1EC;
  color:var(--ink-2);display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 0 20px 18px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- CTA 通栏 ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  background:linear-gradient(120deg,#1B1E24 0%,#14161A 62%,#251712 100%);
  border:1px solid rgba(255,255,255,.08);
  padding:38px 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-banner::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.4),transparent 68%);
}
.cta-banner h2{color:#fff;font-size:clamp(1.35rem,2.4vw,1.9rem);position:relative;z-index:1}
.cta-banner p{color:rgba(255,255,255,.68);font-size:14.5px;margin-top:10px;max-width:56ch;position:relative;z-index:1}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.6);margin-top:80px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.site-footer .brand-mark{box-shadow:none}
.site-footer .brand-text b{color:#fff}
.site-footer .brand-text small{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:18px;max-width:44ch}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:20px;font-size:13.5px}
.footer-contact span{display:flex;align-items:center;gap:9px}
.footer-contact i{color:var(--brand-soft)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--brand-soft);transform:translateX(3px)}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s cubic-bezier(.22,.61,.36,1),transform .42s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#F04E23;
  --brand-deep:#C93C16;
  --brand-soft:#FF7A4D;
  --brand-tint:rgba(240,78,35,.08);
  --accent:#0FB5A0;
  --accent-tint:rgba(15,181,160,.12);
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7280;
  --line:#E4E1DB;
  --bg:#F6F4F0;
  --card:#FFFFFF;
  --panel:#14161A;
  --warn:#F5A524;
  --danger:#E5484D;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:26px;
  --sh-1:0 1px 2px rgba(20,22,26,.04), 0 12px 32px -14px rgba(20,22,26,.14);
  --sh-2:0 2px 6px rgba(20,22,26,.06), 0 24px 52px -20px rgba(20,22,26,.24);
  --sec:clamp(56px,7vw,104px);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-2);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);font-weight:600;font-size:15px;line-height:1.2;
  padding:14px 28px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .22s cubic-bezier(.22,.61,.36,1),background-color .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease}
.btn i{transition:transform .22s ease}
.btn.btn-primary{background:var(--brand);color:#fff}
.btn.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(240,78,35,.14)}
.btn.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn.btn-light:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.btn.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn.btn-outline-light:hover{background:#fff;border-color:#fff;color:var(--ink);transform:translateY(-2px)}
.btn.btn-sm{padding:10px 18px;font-size:14px}
.btn.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14.5px}
.text-link:hover{color:var(--brand-deep)}
.text-link:hover i{transform:translateX(3px)}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 13px;font-size:12.5px;font-weight:600;letter-spacing:.02em}
.badge-accent{background:var(--accent-tint);color:#0a8d7c}
.badge-brand{background:var(--brand-tint);color:var(--brand-deep)}
.badge-plain{background:#fff;border:1px solid var(--line);color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;border-radius:999px;
  background:var(--accent-tint);color:#0a8d7c;font-size:12.5px;font-weight:700;
  padding:5px 13px;letter-spacing:.04em;margin-bottom:16px}
.h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.22}
.h3{font-size:1.25rem;font-weight:600;line-height:1.4}
.lead{color:var(--muted);font-size:16px;line-height:1.8}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .26s cubic-bezier(.22,.61,.36,1),box-shadow .26s ease,border-color .26s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,78,35,.24)}
.section{padding:var(--sec) 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.section-head .head-text{max-width:660px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);padding:14px 0 10px;
  box-shadow:0 1px 0 rgba(228,225,219,.9)}
.nav-panel{display:flex;align-items:center;gap:18px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:10px 14px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:var(--r-sm);
  background:var(--brand);color:#fff;font-family:var(--font-num);font-weight:800;font-size:15px;letter-spacing:.02em}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{color:var(--ink);font-size:15.5px;font-weight:800;letter-spacing:-.005em}
.brand-text small{color:var(--muted);font-size:11.5px;font-weight:500;letter-spacing:.02em}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap}
.nav-card{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:var(--r-sm);
  border:1px solid transparent;background:var(--bg);color:var(--ink-2);
  font-size:14px;font-weight:600;white-space:nowrap}
.nav-card i{font-size:13px;color:var(--muted);transition:transform .22s ease,color .22s ease}
.nav-card:hover{background:var(--brand-tint);border-color:rgba(240,78,35,.2);color:var(--brand-deep)}
.nav-card:hover i{color:var(--brand);transform:translate(2px,-2px)}
.nav-card.active{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-card.active i{color:#fff}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:var(--r-sm);background:var(--ink);color:#fff;font-size:16px}
.nav-toggle:hover{background:var(--panel)}
.mobile-menu{display:none;margin-top:10px}
.mobile-menu.open{display:block}
.mobile-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:14px}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-grid .nav-card{justify-content:center;padding:12px 10px}
@media (max-width:1080px){
  .nav-cards{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{justify-content:space-between}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-size:10px;color:#B9B4AC}

/* ---------- Hero ---------- */
.hero{padding-top:28px}
.hero-panel{position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:clamp(30px,5vw,64px);border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(rgba(20,22,26,.88),rgba(20,22,26,.76)),
  url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .85fr;
  gap:clamp(24px,4vw,56px);align-items:center}
.hero-copy .eyebrow{background:rgba(240,78,35,.18);color:#FFB9A2}
.hero-title{color:#fff;font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800;line-height:1.1;letter-spacing:-.015em}
.hero-title span{color:var(--brand-soft)}
.hero-sub{margin-top:20px;color:rgba(255,255,255,.78);font-size:clamp(15px,1.4vw,17px);line-height:1.85;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.micro-badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;
  padding:6px 14px;font-size:12.5px;font-weight:600;color:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06)}
.micro-badge i{color:var(--brand-soft);font-size:12px}
.hero-card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:24px}
.hero-card h2{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:6px}
.hero-card .hint{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;border-bottom:1px dashed var(--line)}
.stat-row:last-child{border-bottom:0;padding-bottom:0}
.stat-row:first-of-type{padding-top:0}
.stat-label{font-size:14px;color:var(--ink-2);font-weight:600}
.stat-value{font-family:var(--font-num);font-weight:800;font-size:19px;color:var(--brand);font-variant-numeric:tabular-nums}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
}

/* ---------- 图文交替段 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.split + .split{margin-top:clamp(44px,6vw,84px)}
.split-media{position:relative;padding:10px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.split-media img{width:100%;height:100%;min-height:280px;object-fit:cover;border-radius:14px}
.split-media .media-tag{position:absolute;left:22px;top:22px}
.split-body h3{margin-bottom:14px}
.split-body p{color:var(--ink-2);line-height:1.85}
.check-list{margin-top:22px;border-top:1px solid var(--line)}
.check-list li{display:flex;gap:11px;align-items:flex-start;padding:12px 0;
  border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2)}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--accent);font-size:14px;margin-top:5px;flex:0 0 auto}
.split.reverse .split-media{order:2}
@media (max-width:860px){
  .split,.split.reverse{grid-template-columns:1fr}
  .split.reverse .split-media{order:0}
}

/* ---------- 网格与卡片 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1080px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}

.icon-card{padding:24px;display:flex;flex-direction:column;gap:12px;height:100%}
.icon-badge{display:grid;place-items:center;width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--brand-tint);color:var(--brand);font-size:17px}
.icon-card p{font-size:14.5px;color:var(--muted);line-height:1.8}

.qa-card{padding:24px;height:100%;display:flex;flex-direction:column;gap:10px}
.qa-card .qa-q{display:flex;gap:11px;align-items:flex-start;font-size:16px;font-weight:700;color:var(--ink)}
.qa-card .qa-q i{color:var(--brand);font-size:15px;margin-top:5px}
.qa-card .qa-a{font-size:14.5px;color:var(--muted);line-height:1.85;padding-left:26px}
.qa-card::before{content:"";position:absolute}

/* 内容卡片 */
.post-card{overflow:hidden;display:flex;flex-direction:column}
.post-card .thumb{position:relative;padding:10px 10px 0}
.post-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px}
.post-card .thumb .badge{position:absolute;left:22px;top:22px;background:var(--accent-tint);color:#0a8d7c}
.post-card .pc-body{padding:18px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:17px;font-weight:700;line-height:1.45;color:var(--ink)}
.post-card:hover h3{color:var(--brand)}
.post-card .pc-desc{font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card .pc-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.post-card .pc-meta .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.post-card:hover .pc-meta .go i{transform:translateX(3px)}
.post-card .pc-meta .go i{transition:transform .22s ease}

/* ---------- 深色 CTA ---------- */
.cta-band{background:var(--panel);border-radius:var(--r-lg);padding:clamp(28px,4vw,52px);
  display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center;
  border:1px solid rgba(255,255,255,.08)}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.4vw,2rem);font-weight:700;line-height:1.3}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.7);font-size:15px;line-height:1.8;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:860px){.cta-band{grid-template-columns:1fr}}

.helper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
@media (max-width:860px){.helper-grid{grid-template-columns:1fr}}
.helper-card{padding:22px;display:flex;gap:14px;align-items:flex-start}
.helper-card i{color:var(--brand);font-size:18px;margin-top:3px}
.helper-card b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.helper-card span{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel);color:rgba(255,255,255,.72);padding:72px 0 30px;margin-top:clamp(56px,7vw,104px)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer .brand-text b{color:#fff}
.site-footer .brand-text small{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:420px}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.footer-contact span{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--brand-soft);font-size:13px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6)}
.footer-col a:hover{color:var(--brand-soft)}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);
  transition:opacity .42s cubic-bezier(.22,.61,.36,1),transform .42s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
}

/* roulang page: category2 */
:root{
  --brand:#F04E23;
  --brand-deep:#C93C16;
  --brand-soft:#FF7A4D;
  --accent:#0FB5A0;
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7280;
  --line:#E4E1DB;
  --bg:#F6F4F0;
  --card:#FFFFFF;
  --panel:#14161A;
  --warn:#F5A524;
  --danger:#E5484D;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-sm:0 1px 2px rgba(20,22,26,.04), 0 12px 32px -14px rgba(20,22,26,.14);
  --shadow-hover:0 2px 5px rgba(20,22,26,.06), 0 24px 46px -18px rgba(20,22,26,.22);
  --section:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.2}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(240,78,35,.18)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0;
  background:rgba(246,244,240,.86);
  backdrop-filter:saturate(140%) blur(10px);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:12px 16px;
  box-shadow:var(--shadow-sm);
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:44px;height:44px;flex:0 0 auto;
  border-radius:13px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:16px;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(240,78,35,.85);
}
.brand-text b{display:block;font-size:16px;font-weight:800;color:var(--ink);line-height:1.25}
.brand-text small{display:block;font-size:12px;color:var(--muted);font-weight:500;letter-spacing:.2px}
.nav-cards{display:flex;gap:8px;flex:1 1 auto;justify-content:center;flex-wrap:wrap}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:12px;
  background:#FAF8F5;border:1px solid transparent;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.nav-card i{font-size:14px;color:var(--muted);transition:transform .22s var(--ease),color .22s var(--ease)}
.nav-card:hover{background:rgba(240,78,35,.08);color:var(--brand)}
.nav-card:hover i{color:var(--brand);transform:translateY(-2px)}
.nav-card.active{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(240,78,35,.9)}
.nav-card.active i{color:#fff}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{background:var(--ink);color:#fff}
.mobile-menu{display:none;margin-top:12px}
.mobile-menu.open{display:block}
.mobile-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:14px;box-shadow:var(--shadow-sm);
}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-grid .nav-card{justify-content:flex-start}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  padding:14px 28px;
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(240,78,35,.14)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 0 0 4px rgba(255,255,255,.18)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.btn-text i{transition:transform .22s var(--ease)}
.btn-text:hover i{transform:translateX(3px)}

/* ============ 通用板块 ============ */
.section{padding:var(--section) 0}
.section-tight{padding:72px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;letter-spacing:-.01em}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-accent{background:rgba(15,181,160,.12);color:#0A8577}
.badge-brand{background:rgba(240,78,35,.12);color:var(--brand-deep)}
.badge-ink{background:rgba(20,22,26,.06);color:var(--ink-2)}

/* ============ 首屏标题卡 ============ */
.page-hero{
  position:relative;overflow:hidden;
  margin-top:26px;
  border-radius:24px;
  padding:64px 44px;
  color:#fff;
  background-image:linear-gradient(112deg,rgba(20,22,26,.9) 8%,rgba(20,22,26,.62) 58%,rgba(20,22,26,.48)),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-sm);
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(240,78,35,.4),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:600;letter-spacing:.04em;color:#fff;
  margin-bottom:22px;
}
.hero-tag i{color:var(--brand-soft)}
.page-hero h1{
  font-size:clamp(2.1rem,4.6vw,3.5rem);
  font-weight:800;line-height:1.12;letter-spacing:-.01em;color:#fff;
}
.page-hero h1 em{font-style:normal;color:var(--brand-soft)}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.85;
  color:rgba(255,255,255,.82);max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;font-weight:600;color:rgba(255,255,255,.92);
}
.chip i{color:var(--accent)}

/* ============ 规格矩阵卡 ============ */
.matrix-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;
}
.mx-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  display:flex;flex-direction:column;
  overflow:hidden;
}
.mx-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--brand-soft));
  opacity:.85;
}
.mx-card:nth-child(2)::before{background:linear-gradient(90deg,var(--accent),#59D9C7)}
.mx-card:nth-child(3)::before{background:linear-gradient(90deg,var(--ink),#4B525C)}
.mx-card:nth-child(4)::before{background:linear-gradient(90deg,var(--warn),#FFC964)}
.mx-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,78,35,.28)}
.mx-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(240,78,35,.1);color:var(--brand);font-size:19px;margin-bottom:18px;
}
.mx-card:nth-child(2) .mx-icon{background:rgba(15,181,160,.12);color:#0A8577}
.mx-card:nth-child(3) .mx-icon{background:rgba(20,22,26,.07);color:var(--ink)}
.mx-card:nth-child(4) .mx-icon{background:rgba(245,165,36,.14);color:#B4760D}
.mx-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.mx-card>p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:18px}
.mx-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.mx-list li{display:flex;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.6}
.mx-list i{color:var(--accent);font-size:12px;margin-top:6px;flex:0 0 auto}
.mx-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:16px;border-top:1px solid var(--line)}
.mx-foot span{font-size:12.5px;color:var(--muted);font-weight:600}
.mx-foot a{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.mx-foot a i{transition:transform .22s var(--ease)}
.mx-foot a:hover i{transform:translateX(3px)}

/* ============ 中部横向对比条 ============ */
.compare-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.compare-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 28px;border-bottom:1px solid var(--line);background:#FBF9F6;
}
.compare-head h3{font-size:18px;font-weight:700}
.compare-head span{font-size:13px;color:var(--muted)}
.compare-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
}
.compare-cell{
  padding:26px 24px 28px;
  border-right:1px dashed var(--line);
  transition:background .24s var(--ease);
}
.compare-cell:last-child{border-right:0}
.compare-cell:hover{background:#FCFAF7}
.compare-cell .cc-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.compare-cell .cc-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.compare-cell:nth-child(2) .cc-dot{background:var(--accent)}
.compare-cell:nth-child(3) .cc-dot{background:var(--ink)}
.compare-cell:nth-child(4) .cc-dot{background:var(--warn)}
.compare-cell h4{font-size:16px;font-weight:700}
.compare-cell p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;min-height:76px}
.cc-bar{height:6px;border-radius:999px;background:#EFECE6;overflow:hidden;margin-bottom:10px}
.cc-bar i{display:block;height:100%;border-radius:999px;background:var(--brand)}
.compare-cell:nth-child(2) .cc-bar i{background:var(--accent)}
.compare-cell:nth-child(3) .cc-bar i{background:var(--ink-2)}
.compare-cell:nth-child(4) .cc-bar i{background:var(--warn)}
.cc-note{font-size:12.5px;color:var(--muted);font-weight:600}

/* ============ 图文分栏 ============ */
.split{
  display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;
}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;box-shadow:var(--shadow-sm);
}
.split-media .float-card{
  position:absolute;right:-16px;bottom:-22px;
  background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:16px 20px;
  box-shadow:var(--shadow-hover);min-width:190px;
}
.float-card b{display:block;font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.float-card span{font-size:12.5px;color:var(--muted);font-weight:600}
.split-body h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;margin:12px 0 16px}
.split-body>p{color:var(--ink-2);font-size:16px;line-height:1.85;margin-bottom:26px}
.step-list{display:flex;flex-direction:column;gap:16px}
.step-item{
  display:flex;gap:16px;padding:18px 20px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.step-item:hover{transform:translateY(-3px);border-color:rgba(240,78,35,.28);box-shadow:var(--shadow-hover)}
.step-num{
  width:34px;height:34px;flex:0 0 auto;border-radius:11px;
  display:grid;place-items:center;font-size:14px;font-weight:800;
  background:var(--brand);color:#fff;
}
.step-item:nth-child(2) .step-num{background:var(--accent)}
.step-item:nth-child(3) .step-num{background:var(--ink)}
.step-item h4{font-size:15.5px;font-weight:700;margin-bottom:5px}
.step-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ============ 内容卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,78,35,.26)}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:#EFECE6}
.card-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s var(--ease)}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:22px 22px 0;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:16px 22px 20px;margin-top:14px;border-top:1px solid var(--line);
}
.card-foot time{font-size:12.5px;color:var(--muted);font-weight:600}
.card-foot .go{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card-foot .go i{transition:transform .22s var(--ease)}
.card:hover .card-foot .go i{transform:translateX(3px)}

/* ============ FAQ ============ */
.faq{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--brand);transform:scaleY(0);transform-origin:top;
  transition:transform .2s var(--ease);
}
.faq-item.open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{background:#FCFAF7}
.faq-plus{
  width:30px;height:30px;flex:0 0 auto;border-radius:9px;
  display:grid;place-items:center;
  background:rgba(240,78,35,.1);color:var(--brand);font-size:13px;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item.open .faq-plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 26px 24px 26px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:900px}

/* ============ CTA + 表单 ============ */
.cta-band{
  background:var(--panel);border-radius:24px;
  padding:48px 44px;color:#fff;
  display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-100px;bottom:-140px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,35,.32),transparent 70%);pointer-events:none;
}
.cta-left{position:relative;z-index:2}
.cta-left h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;margin:14px 0 16px}
.cta-left p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85;max-width:460px}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86)}
.cta-points i{color:var(--accent);font-size:13px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.form-card{
  position:relative;z-index:2;
  background:var(--card);border-radius:20px;padding:28px;
  box-shadow:0 24px 50px -24px rgba(0,0,0,.55);
}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.form-card>p{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;
  background:#FCFBF9;padding:0 14px;height:46px;font-size:14.5px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:38px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(240,78,35,.14);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7}
.form-msg{
  display:none;margin-top:14px;padding:11px 14px;border-radius:11px;
  background:rgba(15,181,160,.12);color:#0A8577;font-size:13.5px;font-weight:600;
}
.form-msg.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--panel);color:rgba(255,255,255,.72);margin-top:var(--section);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-top:18px;max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.footer-contact span{font-size:13.5px;color:rgba(255,255,255,.62);display:flex;align-items:center;gap:9px}
.footer-contact i{color:var(--brand-soft)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-col a:hover{color:var(--brand-soft);padding-left:4px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 进入视口动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.show{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ============ 响应式 ============ */
@media(max-width:1180px){
  .nav-cards .nav-card span{display:none}
}
@media(max-width:1024px){
  :root{--section:72px}
  .nav-cards{display:none}
  .nav-toggle{display:grid;place-items:center}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-cell{border-right:0;border-bottom:1px dashed var(--line)}
  .compare-cell:nth-child(odd){border-right:1px dashed var(--line)}
  .compare-cell:nth-last-child(-n+2){border-bottom:0}
  .split{grid-template-columns:1fr;gap:44px}
  .split-media .float-card{right:16px;bottom:-18px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media(max-width:768px){
  .page-hero{padding:48px 26px;border-radius:20px}
  .hero-sub{font-size:15.5px}
  .section-head{margin-bottom:28px}
  .compare-head{padding:20px 22px;flex-direction:column;align-items:flex-start;gap:6px}
  .compare-cell p{min-height:0}
  .mx-card{padding:22px 20px}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:640px){
  :root{--section:56px}
  .brand-text small{display:none}
  .matrix-grid{grid-template-columns:1fr}
  .compare-strip{grid-template-columns:1fr}
  .compare-cell{border-right:0 !important;border-bottom:1px dashed var(--line)}
  .compare-cell:last-child{border-bottom:0}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-band{padding:32px 22px;border-radius:20px}
  .faq-q{font-size:15px;padding:18px 20px}
  .faq-a p{padding:0 20px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand:#F04E23;
  --brand-deep:#C93C16;
  --brand-light:#FF7A4D;
  --accent:#0FB5A0;
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7280;
  --line:#E4E1DB;
  --bg:#F6F4F0;
  --card:#FFFFFF;
  --panel-dark:#14161A;
  --warn:#F5A524;
  --danger:#E5484D;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(20,22,26,.04), 0 12px 32px -14px rgba(20,22,26,.14);
  --shadow-hover:0 2px 4px rgba(20,22,26,.06), 0 22px 40px -16px rgba(20,22,26,.22);
  --hard:4px 4px 0 rgba(20,22,26,.10);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink-2);
  background-color:var(--bg);
  background-image:
    radial-gradient(rgba(20,22,26,.035) 1px, transparent 1px),
    radial-gradient(rgba(20,22,26,.025) 1px, transparent 1px);
  background-size:22px 22px, 22px 22px;
  background-position:0 0, 11px 11px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 10px;background:linear-gradient(180deg,rgba(246,244,240,.96),rgba(246,244,240,.82));backdrop-filter:blur(8px)}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:2px solid var(--ink);border-radius:var(--radius-lg);
  padding:12px 16px;box-shadow:var(--hard);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;
  background:var(--brand);color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  border:2px solid var(--ink);border-radius:12px;box-shadow:2px 2px 0 rgba(20,22,26,.85);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand-text small{font-size:11.5px;color:var(--muted);font-weight:500;letter-spacing:.02em;white-space:nowrap}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1;flex-wrap:wrap}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;color:var(--ink-2);
  background:#F3F1EC;border:1.5px solid transparent;
  transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease;
}
.nav-card i{font-size:13px;color:var(--muted);transition:transform .22s ease,color .22s ease}
.nav-card:hover{background:rgba(240,78,35,.10);color:var(--brand);border-color:rgba(240,78,35,.35)}
.nav-card:hover i{color:var(--brand);transform:translateY(-2px)}
.nav-card.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.nav-card.active i{color:var(--brand-light)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:2px solid var(--ink);background:#fff;color:var(--ink);font-size:16px;
}
.mobile-menu{display:none;margin-top:10px}
.mobile-menu.open{display:block}
.mobile-card{
  background:var(--card);border:2px solid var(--ink);border-radius:var(--radius-lg);
  padding:14px;box-shadow:var(--hard);
}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mobile-grid .nav-card{justify-content:center;padding:11px 8px;font-size:13.5px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{display:flex;width:100%}
.btn-primary{background:var(--brand);color:#fff;border:2px solid var(--ink);box-shadow:3px 3px 0 rgba(20,22,26,.9)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:4px 4px 0 rgba(20,22,26,.9),0 0 0 4px rgba(240,78,35,.14)}
.btn-primary:active{transform:translateY(0);box-shadow:2px 2px 0 rgba(20,22,26,.9);filter:brightness(.96)}
.btn-ghost{background:transparent;color:var(--ink);border:2px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink);border:2px solid var(--ink);box-shadow:3px 3px 0 rgba(0,0,0,.35)}
.btn-light:hover{background:#fff;transform:translateY(-2px);box-shadow:4px 4px 0 rgba(0,0,0,.4)}
.btn-text{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;padding:4px 2px}
.btn-text i{transition:transform .22s ease}
.btn-text:hover i{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand);background:rgba(240,78,35,.10);
  border:1.5px dashed rgba(240,78,35,.45);
  padding:5px 12px;border-radius:999px;
}
.tag-accent{color:#0A7F72;background:rgba(15,181,160,.12);border-color:rgba(15,181,160,.42)}
.h2{font-size:clamp(1.55rem,2.9vw,2.3rem);font-weight:800;line-height:1.2;margin-top:14px}
.sub{color:var(--muted);font-size:15.5px;max-width:640px;margin-top:12px}
.card{
  background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);
  box-shadow:var(--hard);transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s ease;
}
.card:hover{transform:translate(-2px,-4px);box-shadow:6px 8px 0 rgba(20,22,26,.12)}
.cover{border-radius:12px;overflow:hidden;border:1.5px solid var(--line);aspect-ratio:16/10;background:#EFEDE8}
.cover img{width:100%;height:100%;object-fit:cover}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11.5px;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:999px;
  background:rgba(15,181,160,.13);color:#0A7F72;border:1px solid rgba(15,181,160,.32);
}
.badge-warm{background:rgba(240,78,35,.12);color:var(--brand-deep);border-color:rgba(240,78,35,.32)}
.meta{font-size:13px;color:var(--muted);font-weight:500}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 76px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  filter:sepia(.18) saturate(.85);
}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,22,26,.90) 0%,rgba(20,22,26,.78) 46%,rgba(20,22,26,.52) 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.hero .tag{color:#FFD9CB;background:rgba(240,78,35,.20);border-color:rgba(255,122,77,.55)}
.hero h1{
  font-size:clamp(2.15rem,5vw,3.9rem);font-weight:800;line-height:1.08;
  color:#fff;margin:18px 0 0;letter-spacing:-.015em;
}
.hero h1 em{font-style:normal;color:var(--brand-light)}
.hero-lead{color:rgba(255,255,255,.86);font-size:17px;margin-top:20px;max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-badges{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}
.micro{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:rgba(255,255,255,.9);
  padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
}
.micro i{color:var(--accent)}
.log-card{
  background:rgba(255,255,255,.96);border:2px solid var(--ink);border-radius:var(--radius-lg);
  box-shadow:6px 8px 0 rgba(0,0,0,.35);padding:24px;
}
.log-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1.5px dashed var(--line)}
.log-head b{font-size:15.5px;color:var(--ink)}
.log-list{margin-top:14px;display:flex;flex-direction:column;gap:12px}
.log-item{display:flex;align-items:flex-start;gap:11px;font-size:14px;color:var(--ink-2)}
.log-item i{color:var(--brand);margin-top:4px;font-size:13px}
.log-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px;padding-top:16px;border-top:1.5px dashed var(--line)}
.log-stats div{text-align:center}
.log-stats b{display:block;font-size:21px;font-weight:800;color:var(--ink)}
.log-stats span{font-size:12px;color:var(--muted)}

/* ---------- 横向场景分区 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{padding:22px}
.scene-card .cover{aspect-ratio:16/9;margin-bottom:16px}
.scene-card h3{font-size:1.22rem;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:14.5px;color:var(--muted)}
.scene-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.scene-list li{display:flex;gap:9px;font-size:14px;color:var(--ink-2);align-items:flex-start}
.scene-list li::before{content:"";width:7px;height:7px;flex:0 0 7px;margin-top:9px;background:var(--brand);border-radius:2px}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:19px;top:12px;bottom:14px;width:3px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(240,78,35,.35) 32%,var(--line) 100%);
  border-radius:3px;
}
.step{position:relative;display:grid;grid-template-columns:40px 1fr;gap:22px;padding-bottom:30px}
.step:last-child{padding-bottom:0}
.step-dot{
  width:40px;height:40px;border-radius:50%;
  background:var(--card);border:3px solid var(--brand);
  display:grid;place-items:center;font-weight:800;color:var(--brand);font-size:15px;
  position:relative;z-index:1;
}
.step:last-child .step-dot{background:var(--ink);border-color:var(--ink);color:#fff}
.step-body{
  background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--hard);
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s ease;
}
.step-body:hover{transform:translate(-2px,-4px);box-shadow:6px 8px 0 rgba(20,22,26,.12)}
.step-body h3{font-size:1.14rem;font-weight:700;margin-bottom:7px}
.step-body p{font-size:14.5px;color:var(--muted)}
.step-tip{margin-top:12px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#0A7F72;background:rgba(15,181,160,.12);border:1px dashed rgba(15,181,160,.45);border-radius:10px;padding:7px 12px}

/* ---------- 要点清单 ---------- */
.tips-wrap{background:var(--panel-dark);color:#fff;border-radius:var(--radius-lg);padding:44px 40px;border:2px solid var(--ink);box-shadow:var(--hard)}
.tips-wrap h2{color:#fff}
.tips-wrap .sub{color:rgba(255,255,255,.66)}
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}
.tip-item{background:rgba(255,255,255,.05);border:1.5px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:18px 20px}
.tip-item h4{color:#fff;font-size:15.5px;font-weight:700;display:flex;align-items:center;gap:9px;margin-bottom:7px}
.tip-item h4 i{color:var(--brand-light)}
.tip-item p{font-size:14px;color:rgba(255,255,255,.68)}

/* ---------- 内容卡片 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{padding:14px;display:flex;flex-direction:column}
.post-card .cover{margin-bottom:14px}
.post-card h3{font-size:1.06rem;font-weight:700;line-height:1.45;margin:10px 0 8px;transition:color .2s ease}
.post-card:hover h3{color:var(--brand)}
.post-card p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:16px;padding-top:13px;border-top:1.5px dashed var(--line);display:flex;align-items:center;justify-content:space-between}
.post-foot i{color:var(--brand);transition:transform .22s ease}
.post-card:hover .post-foot i{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-card{padding:22px 24px;border-left:5px solid var(--brand)}
.faq-card h3{font-size:1.06rem;font-weight:700;margin-bottom:9px;display:flex;gap:10px;align-items:flex-start}
.faq-card h3 i{color:var(--brand);font-size:15px;margin-top:4px}
.faq-card p{font-size:14.5px;color:var(--muted)}

/* ---------- 表单 ---------- */
.consult-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.form-card{padding:30px}
.field{margin-bottom:17px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1.5px solid var(--line);border-radius:var(--radius-sm);
  background:#FBFAF8;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 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{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(240,78,35,.14);
}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.trust-card{padding:26px}
.trust-card h3{font-size:1.1rem;font-weight:700;margin-bottom:16px}
.trust-list{display:flex;flex-direction:column;gap:16px}
.trust-list li{display:flex;gap:13px}
.trust-list .dot{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(240,78,35,.12);color:var(--brand);font-size:13px;font-weight:800;border:1.5px solid rgba(240,78,35,.3);
}
.trust-list b{display:block;font-size:14.5px;color:var(--ink);font-weight:700}
.trust-list span{font-size:13.5px;color:var(--muted)}
.trust-note{margin-top:20px;padding-top:16px;border-top:1.5px dashed var(--line);font-size:13.5px;color:var(--muted)}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  background:var(--brand);border:2px solid var(--ink);border-radius:var(--radius-lg);
  padding:40px 42px;display:flex;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:6px 6px 0 rgba(20,22,26,.9);flex-wrap:wrap;
}
.cta-banner h2{color:#fff;font-size:clamp(1.4rem,2.5vw,2rem);font-weight:800;line-height:1.25}
.cta-banner p{color:rgba(255,255,255,.9);font-size:15px;margin-top:10px;max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel-dark);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 26px;border-top:2px solid var(--ink)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand-mark{box-shadow:2px 2px 0 rgba(255,255,255,.28)}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;margin-top:16px;color:rgba(255,255,255,.6);max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:9px;margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--brand-light);margin-right:7px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--brand-light);transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s cubic-bezier(.22,.61,.36,1),transform .42s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .card:hover,.step-body:hover,.btn:hover{transform:none}
}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){
  .nav-cards{gap:6px}
  .nav-card{padding:8px 11px;font-size:13px}
}
@media(max-width:1024px){
  .nav-cards,.nav-cta .btn{display:none}
  .nav-toggle{display:grid;place-items:center}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .scene-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
  .consult-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:72px 0}
}
@media(max-width:768px){
  body{font-size:16px}
  .section{padding:58px 0}
  .section-sm{padding:48px 0}
  .tips-wrap{padding:30px 22px}
  .tips-grid,.faq-grid{grid-template-columns:1fr}
  .cta-banner{padding:30px 24px}
  .hero{padding:44px 0 58px}
  .log-stats{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:560px){
  .scene-grid,.post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .mobile-grid{grid-template-columns:1fr}
  .brand-text small{display:none}
  .step{grid-template-columns:32px 1fr;gap:16px}
  .step-dot{width:32px;height:32px;font-size:13px;border-width:2.5px}
  .timeline::before{left:15px;width:2.5px}
  .cta-banner .btn{width:100%}
  .hero-actions .btn{width:100%}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:13.5px}
  .brand-text b{font-size:15px}
}

/* roulang page: category4 */
:root{
  --brand:#F04E23;
  --brand-deep:#C93C16;
  --brand-light:#FF7A4D;
  --accent:#0FB5A0;
  --ink:#14161A;
  --ink-2:#3A3F47;
  --muted:#6B7280;
  --line:#E4E1DB;
  --bg:#F6F4F0;
  --card:#FFFFFF;
  --panel-dark:#14161A;
  --warn:#F5A524;
  --danger:#E5484D;
  --r-card:18px;
  --r-btn:12px;
  --shadow-1:0 1px 2px rgba(20,22,26,.04), 0 12px 32px -14px rgba(20,22,26,.14);
  --shadow-2:0 2px 6px rgba(20,22,26,.06), 0 22px 46px -18px rgba(20,22,26,.24);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(20,22,26,.045) 1px, transparent 1px);
  background-size:20px 20px;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:var(--font-cn);}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0;
  background:rgba(246,244,240,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(228,225,219,.9);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:10px 14px;
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;flex-shrink:0;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--brand);
  color:#fff;font-family:var(--font-num);font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 8px 18px -10px rgba(240,78,35,.9);
  border:1px solid rgba(20,22,26,.12);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.02em;}
.nav-cards{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:12px;
  font-size:13.5px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-card i{font-size:12px;transition:transform .2s ease;}
.nav-card:hover{background:rgba(240,78,35,.08);color:var(--brand);border-color:rgba(240,78,35,.2);}
.nav-card:hover i{transform:translateY(-2px);}
.nav-card.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 10px 20px -12px rgba(240,78,35,.9);}
.nav-card.active i{color:#fff;}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:40px;height:40px;place-items:center;
  border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.nav-toggle:hover{background:rgba(240,78,35,.08);color:var(--brand);}
.mobile-menu{display:none;margin-top:10px;}
.mobile-menu.open{display:block;}
.mobile-card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:14px;box-shadow:var(--shadow-2);
}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.mobile-grid .nav-card{justify-content:flex-start;border:1px solid var(--line);background:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 14px 28px -18px rgba(240,78,35,.95);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 0 0 4px rgba(240,78,35,.14),0 18px 32px -18px rgba(240,78,35,.95);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-on-dark{background:#fff;color:var(--ink);}
.btn-on-dark:hover{background:var(--brand-light);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:13.5px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(3px);}

/* ============ 通用区块 ============ */
.section{padding:88px 0;}
.section-alt{background:rgba(255,255,255,.55);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head .head-main{max-width:640px;}
.section-head .rule{flex:1;min-width:40px;border-top:1px dashed var(--line);margin-bottom:12px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--brand);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.2;margin-top:10px;letter-spacing:-.01em;}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);}
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(240,78,35,.22);}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(15,181,160,.12);color:#0B8C7C;
}
.badge-brand{background:rgba(240,78,35,.12);color:var(--brand-deep);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ 分类首屏 ============ */
.cat-hero{position:relative;overflow:hidden;padding:72px 0 80px;background:var(--panel-dark);}
.cat-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.55;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(20,22,26,.94) 0%,rgba(20,22,26,.82) 42%,rgba(20,22,26,.46) 100%);
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.45fr .95fr;gap:36px;align-items:center;}
.cat-hero .eyebrow{color:var(--brand-light);}
.cat-hero .eyebrow::before{background:var(--brand-light);}
.cat-hero h1{
  color:#fff;margin-top:14px;
  font-size:clamp(2rem,4.6vw,3.5rem);font-weight:800;line-height:1.08;letter-spacing:-.01em;
}
.cat-hero .lead{color:rgba(255,255,255,.78);font-size:16.5px;line-height:1.85;margin-top:20px;max-width:640px;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-badges{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap;}
.hero-badges li{
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
}
.stat-card{
  background:#fff;border-radius:var(--r-card);padding:26px;
  box-shadow:var(--shadow-2);border:1px solid rgba(255,255,255,.5);
}
.stat-card h3{font-size:15px;font-weight:700;letter-spacing:.02em;}
.stat-card .stat-note{font-size:12.5px;color:var(--muted);margin-top:6px;}
.stat-list{margin-top:18px;display:flex;flex-direction:column;gap:14px;}
.stat-list li{display:flex;align-items:flex-start;gap:12px;padding-bottom:14px;border-bottom:1px dashed var(--line);}
.stat-list li:last-child{border-bottom:0;padding-bottom:0;}
.stat-list .ico{
  width:34px;height:34px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  background:rgba(240,78,35,.1);color:var(--brand);font-size:13px;
}
.stat-list .t{font-size:14px;font-weight:600;color:var(--ink);}
.stat-list .d{font-size:12.5px;color:var(--muted);margin-top:2px;line-height:1.6;}

/* ============ 简介卡 ============ */
.overview-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;}
.overview-text h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.overview-text p{margin-top:16px;font-size:15.5px;color:var(--ink-2);line-height:1.85;}
.point-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;}
.point-list i{color:var(--accent);margin-top:5px;font-size:13px;}
.overview-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.overview-media img{width:100%;height:340px;object-fit:cover;}
.overview-media .float-tag{
  position:absolute;left:18px;bottom:18px;
  background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-2);
  font-size:13px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;gap:8px;
}
.overview-media .float-tag i{color:var(--brand);}

/* ============ 福利类别速览 ============ */
.type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.type-card{padding:24px 24px 22px;position:relative;overflow:hidden;}
.type-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--brand);opacity:.85;}
.type-top{display:flex;align-items:center;gap:12px;}
.type-top .ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(240,78,35,.1);color:var(--brand);font-size:15px;
}
.type-top h3{font-size:16.5px;font-weight:700;}
.type-card p{margin-top:14px;font-size:14px;color:var(--ink-2);line-height:1.8;}
.type-meta{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:32px;align-items:start;}
.faq-aside{padding:26px;position:sticky;top:100px;}
.faq-aside h3{font-size:17px;font-weight:700;}
.faq-aside p{margin-top:12px;font-size:14px;color:var(--ink-2);line-height:1.8;}
.faq-aside .aside-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.faq-aside .aside-list li{display:flex;gap:10px;font-size:13.5px;color:var(--ink-2);}
.faq-aside .aside-list i{color:var(--accent);margin-top:5px;font-size:12px;}
.faq-card{padding:8px 22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);}
.faq-item{border-bottom:1px dashed var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 20px 16px;background:transparent;border:0;border-left:4px solid transparent;
  text-align:left;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--ink);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-item.open .faq-q{border-left-color:var(--brand);color:var(--brand-deep);}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;font-size:11px;
  background:rgba(20,22,26,.05);color:var(--ink-2);
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{padding:0 0 20px 16px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ============ 相关内容 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{display:flex;flex-direction:column;overflow:hidden;}
.rel-thumb{position:relative;overflow:hidden;border-radius:14px;margin:12px 12px 0;}
.rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(15,181,160,.92);color:#fff;}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.rel-body h3{font-size:16px;font-weight:700;line-height:1.45;transition:color .2s ease;}
.rel-card:hover .rel-body h3{color:var(--brand);}
.rel-body p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);font-family:var(--font-num);
}
.rel-meta i{color:var(--brand);}

/* ============ 咨询区 ============ */
.consult-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start;}
.consult-card{padding:28px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;
  padding:12px 14px;font-size:14.5px;color:var(--ink);line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease;appearance:none;
}
.field input,.field select{height:46px;}
.field textarea{resize:vertical;min-height:110px;}
.field input::placeholder,.field textarea::placeholder{color:#A3A7AE;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(240,78,35,.14);
}
.field select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;}
.form-hint{margin-top:14px;font-size:13px;font-weight:600;color:#0B8C7C;
  background:rgba(15,181,160,.1);border-radius:10px;padding:10px 14px;}
.trust-card{padding:26px;background:var(--panel-dark);border-color:rgba(255,255,255,.08);color:rgba(255,255,255,.72);}
.trust-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.16);}
.trust-card h3{color:#fff;font-size:17px;font-weight:700;}
.trust-card > p{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
.step-list{margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.step-list li{display:flex;gap:14px;}
.step-list .step-no{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;font-family:var(--font-num);font-size:12.5px;font-weight:700;
  background:var(--brand);color:#fff;
}
.step-list .t{color:#fff;font-size:14px;font-weight:600;}
.step-list .d{font-size:13px;color:rgba(255,255,255,.62);margin-top:3px;line-height:1.7;}
.trust-note{
  margin-top:22px;padding-top:18px;border-top:1px dashed rgba(255,255,255,.16);
  display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.68);
}
.trust-note i{color:var(--brand-light);}

/* ============ 通栏 CTA ============ */
.cta-banner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:38px 40px;border-radius:20px;
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;box-shadow:0 24px 48px -28px rgba(201,60,22,.9);
}
.cta-banner h2{color:#fff;font-size:clamp(1.3rem,2.4vw,1.9rem);font-weight:700;letter-spacing:-.01em;}
.cta-banner p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.85);max-width:620px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--panel-dark);color:rgba(255,255,255,.66);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.footer-brand p{margin-top:18px;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:380px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:9px;font-size:13px;color:rgba(255,255,255,.62);}
.footer-contact i{color:var(--brand-light);margin-right:8px;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.62);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--brand-light);padding-left:3px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);font-family:var(--font-num);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s cubic-bezier(.22,.61,.36,1),transform .42s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-cards{display:none;}
  .nav-toggle{display:grid;}
  .nav-cta{margin-left:auto;}
  .cat-hero-inner{grid-template-columns:1fr;}
  .overview-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .consult-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section{padding:60px 0;}
  .cat-hero{padding:52px 0 60px;}
  .cat-hero .lead{font-size:15.5px;}
  .type-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .overview-media img{height:250px;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:30px 24px;}
  .cta-banner .btn{width:100%;}
  .hero-actions .btn{flex:1 1 auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .brand-text small{display:none;}
  .mobile-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .faq-card{padding:6px 16px;}
  .faq-q{font-size:14.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}