/* roulang page: index */
:root{
  --ink:#0E3A33;
  --ink-soft:#175045;
  --amber:#E07A2B;
  --amber-dark:#C9681F;
  --amber-soft:#F5D9C0;
  --bg:#F6F2EA;
  --surface:#FFFFFF;
  --surface-alt:#EFE9DE;
  --text:#15201E;
  --text-2:#4A5854;
  --text-3:#8A9691;
  --border:#DFD8CB;
  --ok:#6FA287;
  --warn:#C2612F;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 2px 10px rgba(21,32,30,.06);
  --sh-2:0 10px 24px rgba(21,32,30,.12);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  letter-spacing:0;
}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:0;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
::selection{background:var(--amber-soft);color:var(--ink)}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:96px 0}
.section-alt{background:var(--surface-alt)}
.section-white{background:var(--surface)}
.sec-head{margin-bottom:40px}
.sec-head h2{font-size:32px;position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:5px;height:26px;border-radius:3px;background:var(--ink)}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:640px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:600;font-size:15px;border-bottom:1px solid transparent;padding-bottom:2px}
.link-more i{transition:transform .22s ease}
.link-more:hover{color:var(--amber-dark)}
.link-more:hover i{transform:translateX(4px)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;white-space:nowrap;transition:transform .22s ease,background-color .22s ease,color .22s ease,box-shadow .22s ease,border-color .22s ease}
.btn i{font-size:13px}
.btn-primary{background:var(--amber);color:#fff}
.btn-primary:hover{background:var(--amber-dark);transform:translateY(-2px);box-shadow:0 10px 20px rgba(224,122,43,.26);color:#fff}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(14,58,51,.08);color:var(--ink);transform:translateY(-2px)}
.btn-onink{background:var(--amber);color:#fff}
.btn-onink:hover{background:var(--amber-dark);color:#fff;transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{padding:9px 18px;font-size:14px}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.7;background:var(--amber-soft);color:#8A4A14}
.badge-ink{background:rgba(14,58,51,.09);color:var(--ink)}
.badge-ok{background:rgba(111,162,135,.16);color:#3F6C55}
.badge-warn{background:rgba(194,97,47,.14);color:var(--warn)}

/* ===== 浮动 Dock 导航 ===== */
.dock-wrap{position:sticky;top:0;z-index:80;padding:16px 20px 6px;background:linear-gradient(180deg,rgba(246,242,234,.96) 60%,rgba(246,242,234,0));transition:padding .18s ease}
.dock{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:24px;padding:10px 18px;background:rgba(255,255,255,.93);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:20px;box-shadow:var(--sh-1);transition:padding .18s ease,box-shadow .18s ease,min-height .18s ease}
.dock-wrap.is-scrolled{padding-top:8px}
.dock-wrap.is-scrolled .dock{padding:6px 18px;box-shadow:var(--sh-2)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:19px;font-family:Inter,system-ui,sans-serif;line-height:1;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:700;color:var(--ink);font-family:Inter,system-ui,sans-serif;letter-spacing:0}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:0}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{position:relative;padding:8px 12px;border-radius:10px;font-size:15px;color:var(--text-2);font-weight:500}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--ink);transform:scaleX(0);transform-origin:left center;transition:transform .22s ease}
.nav-link:hover{color:var(--ink);background:rgba(14,58,51,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text-2);display:flex;align-items:center;justify-content:center;transition:all .2s ease}
.icon-btn:hover{color:var(--ink);border-color:var(--ink);background:rgba(14,58,51,.04)}
.menu-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--ink);align-items:center;justify-content:center}
.search-panel{max-width:1080px;margin:10px auto 0;display:none}
.search-panel.is-open{display:block}
.search-panel input{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:12px;background:#fff;outline:none}
.search-panel input:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(224,122,43,.22)}
.mobile-panel{display:none;max-width:1080px;margin:10px auto 0;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--sh-2);padding:14px}
.mobile-panel.is-open{display:block}
.mobile-panel .m-title{font-size:12.5px;color:var(--text-3);padding:6px 10px;letter-spacing:0}
.mobile-panel a{display:block;padding:11px 12px;border-radius:12px;font-size:15.5px;color:var(--text-2)}
.mobile-panel a:hover{background:rgba(14,58,51,.05);color:var(--ink)}
.mobile-panel .m-cta{margin-top:10px}
.overlay{position:fixed;inset:0;background:rgba(21,32,30,.35);z-index:70;display:none}
.overlay.is-open{display:block}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:64px 0 88px;background-image:radial-gradient(rgba(14,58,51,.075) 1px,transparent 1px);background-size:18px 18px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{font-size:46px;font-weight:700;line-height:1.25}
.hero .hero-sub{margin-top:20px;font-size:17.5px;color:var(--text-2);max-width:520px}
.hero-btns{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}
.hero-path{margin-top:36px;display:flex;align-items:center;gap:0;flex-wrap:wrap}
.path-node{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.path-dot{width:10px;height:10px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(224,122,43,.16);flex:0 0 auto}
.path-line{width:34px;height:1px;background:var(--border);margin:0 14px}
.hero-visual{position:relative}
.hero-visual .wedge{position:absolute;right:-30px;top:-26px;width:150px;height:150px;background:rgba(14,58,51,.09);border-radius:26px;transform:rotate(-8deg);z-index:0}
.hero-shot{position:relative;z-index:1;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-2);aspect-ratio:16/10}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.hero-float{position:absolute;left:-22px;bottom:-26px;z-index:2;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:16px 18px;min-width:214px}
.hero-float .fl-row{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13.5px;color:var(--text-2)}
.hero-float .fl-row + .fl-row{margin-top:10px;padding-top:10px;border-top:1px dashed var(--border)}
.hero-float .fl-row b{color:var(--ink);font-weight:600;font-size:14px}

/* ===== 信任条 ===== */
.trust{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{padding:32px 26px;position:relative}
.trust-item + .trust-item::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:1px;background:var(--border)}
.trust-item .t-num{font-family:Inter,system-ui,sans-serif;font-size:29px;font-weight:700;color:var(--ink);line-height:1.2}
.trust-item .t-num span{font-size:15px;font-weight:600;color:var(--text-3);margin-left:4px}
.trust-item .t-label{margin-top:6px;font-size:14.5px;color:var(--text-2)}

/* ===== 三步上手 ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;margin-top:8px}
.steps::before{content:"";position:absolute;left:8%;right:8%;top:46px;border-top:2px dashed var(--border);z-index:0}
.step-card{position:relative;z-index:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-card:nth-child(2){margin-top:16px}
.step-no{font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;color:#fff;background:var(--ink);width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;letter-spacing:0}
.step-card h3{margin-top:20px;font-size:20px}
.step-card p{margin-top:12px;color:var(--text-2);font-size:15px}
.step-tag{margin-top:18px;display:inline-flex}

/* ===== 案例证明 ===== */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:stretch}
.case-main{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease}
.case-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.case-main .cm-img{aspect-ratio:3/2;overflow:hidden}
.case-main .cm-img img{width:100%;height:100%;object-fit:cover}
.case-main .cm-body{padding:26px}
.case-main h3{font-size:22px;margin-top:14px}
.case-main p{margin-top:12px;color:var(--text-2);font-size:15px}
.case-figures{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:18px;border-top:1px dashed var(--border);padding-top:20px}
.case-figures .cf b{display:block;font-family:Inter,system-ui,sans-serif;font-size:23px;color:var(--ink);font-weight:700}
.case-figures .cf span{font-size:13.5px;color:var(--text-3)}
.case-side{display:flex;flex-direction:column;gap:28px}
.case-mini{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);display:flex;gap:18px;transition:transform .22s ease,box-shadow .22s ease}
.case-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.case-mini .cmi-img{width:104px;flex:0 0 auto;aspect-ratio:1/1;border-radius:var(--r-img);overflow:hidden}
.case-mini .cmi-img img{width:100%;height:100%;object-fit:cover}
.case-mini h4{font-size:17px;margin-top:8px}
.case-mini p{margin-top:8px;font-size:14.5px;color:var(--text-2)}
.case-mini .cmi-meta{margin-top:10px;font-size:13px;color:var(--text-3)}

/* ===== 最新信息 ===== */
.news-feature{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;height:100%;transition:transform .22s ease,box-shadow .22s ease}
.news-feature:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-feature .nf-img{aspect-ratio:16/10;overflow:hidden}
.news-feature .nf-img img{width:100%;height:100%;object-fit:cover}
.news-feature .nf-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-feature h3{font-size:22px;margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature p{margin-top:12px;color:var(--text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--text-3)}
.card-meta .go{color:var(--ink);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-meta .go i{transition:transform .22s ease}
.news-feature:hover .card-meta .go i,
.news-item:hover .card-meta .go i{transform:translateX(4px)}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease;flex:1}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-item h4{font-size:17px;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{margin-top:8px;font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .card-meta{padding-top:14px}
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:26px;align-items:stretch}
.empty-state{background:var(--surface);border:1px dashed var(--border);border-radius:var(--r-card);padding:48px 24px;text-align:center}
.empty-state i{font-size:26px;color:var(--text-3)}
.empty-state p{margin:14px 0 20px;color:var(--text-2);font-size:15px}

/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.faq-intro h2{font-size:32px;line-height:1.3}
.faq-intro p{margin-top:18px;color:var(--text-2);font-size:15.5px}
.faq-intro .btn{margin-top:26px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:background-color .22s ease,border-color .22s ease}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--text);min-height:44px;border-left:3px solid transparent;transition:border-color .22s ease}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open{background:#FBF7F0}
.faq-item.is-open .faq-q{border-left-color:var(--amber)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px 25px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ===== CTA 通栏 ===== */
.cta-band{background:var(--ink);border-radius:24px;padding:56px;position:relative;overflow:hidden;color:#fff}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;background:rgba(224,122,43,.18)}
.cta-band h2{color:#fff;font-size:32px}
.cta-band .cta-sub{margin-top:14px;color:rgba(255,255,255,.78);font-size:16px;max-width:560px}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.cta-btns{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:rgba(255,255,255,.8)}
.field input,.field textarea{width:100%;padding:12px 14px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.45)}
.field input:focus,.field textarea:focus{border-color:var(--amber);box-shadow:0 0 0 2px rgba(224,122,43,.4)}
.form-tip{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.76);margin-top:0;padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 4fr;gap:48px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.6)}
.site-footer .f-desc{margin-top:18px;font-size:14.5px;line-height:1.85;max-width:340px;color:rgba(255,255,255,.68)}
.f-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.f-links li + li{margin-top:10px}
.f-links a{font-size:14.5px;color:rgba(255,255,255,.72)}
.f-links a:hover{color:var(--amber-soft)}
.f-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:12px;color:rgba(255,255,255,.72)}
.f-contact i{color:var(--amber);margin-top:6px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.55)}

/* ===== 通用卡片 ===== */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.img-cover{border-radius:var(--r-img);overflow:hidden;background:rgba(14,58,51,.08);border:1px solid var(--border)}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .dock-nav{display:none}
  .menu-toggle{display:flex}
  .hero{padding:40px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .hero h1{font-size:34px}
  .news-grid,.case-grid,.faq-grid,.cta-inner{grid-template-columns:1fr}
  .faq-grid{gap:32px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item:nth-child(3)::before{display:none}
  .steps{grid-template-columns:1fr}
  .steps::before{display:none}
  .step-card:nth-child(2){margin-top:0}
  .cta-band{padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media screen and (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .sec-head h2,.faq-intro h2,.cta-band h2{font-size:24px}
  .hero h1{font-size:29px}
  .hero .hero-sub{font-size:16px}
  .hero-float{position:static;margin-top:16px;left:0;bottom:0}
  .hero-visual .wedge{display:none}
  .trust-item{padding:24px 18px}
  .trust-item .t-num{font-size:24px}
  .form-grid{grid-template-columns:1fr}
  .case-figures{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:520px){
  .dock-wrap{padding:10px 12px 4px}
  .dock{padding:8px 12px;gap:10px;border-radius:16px}
  .brand-text em{display:none}
  .dock-actions .btn{padding:10px 14px;font-size:13.5px}
  .hero-btns .btn{width:100%}
  .trust-grid{grid-template-columns:1fr}
  .trust-item + .trust-item::before{display:none}
  .trust-item{border-top:1px solid var(--border)}
  .trust-item:first-child{border-top:0}
  .footer-grid{grid-template-columns:1fr}
  .case-mini{flex-direction:column}
  .case-mini .cmi-img{width:100%;aspect-ratio:16/10}
}

/* roulang page: article */
:root{
  --ink:#0E3A33;
  --ink-soft:#145045;
  --amber:#E07A2B;
  --amber-dark:#C9681F;
  --amber-tint:#F5D9C0;
  --bg:#F6F2EA;
  --bg-alt:#EFE9DE;
  --bg-soft:#FBF7F0;
  --white:#FFFFFF;
  --text:#15201E;
  --text-2:#4A5854;
  --text-3:#8A9691;
  --border:#DFD8CB;
  --ok:#6FA287;
  --warn:#C2612F;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 2px 10px rgba(21,32,30,.06);
  --shadow-2:0 10px 24px rgba(21,32,30,.12);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:96px;
  --tr:220ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--amber);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:0;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 var(--sp-4);width:100%;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ Dock 导航 ============ */
.dock-wrap{position:sticky;top:0;z-index:60;padding:16px 20px 8px;transition:padding var(--tr);}
.dock-wrap.is-stuck{padding:8px 16px 6px;}
.dock{
  max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:18px;
  padding:12px 16px 12px 18px;border-radius:20px;
  background:rgba(255,255,255,.88);backdrop-filter:blur(10px);
  border:1px solid var(--border);box-shadow:var(--shadow-1);
  transition:box-shadow var(--tr),padding var(--tr),border-radius var(--tr);
}
.dock-wrap.is-stuck .dock{padding:8px 14px 8px 16px;box-shadow:var(--shadow-2);}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;
  background:var(--ink);color:#FFF;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:20px;line-height:1;font-family:Inter,system-ui,sans-serif;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.14);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);font-family:Inter,system-ui,sans-serif;letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-2);letter-spacing:.02em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;font-size:15px;color:var(--text-2);
  white-space:nowrap;transition:color var(--tr),background var(--tr);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform 180ms ease-out;
}
.nav-link:hover{color:var(--ink);background:rgba(14,58,51,.05);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:#FFF;
  color:var(--text-2);cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:color var(--tr),border-color var(--tr),background var(--tr);
}
.icon-btn:hover{color:var(--amber);border-color:var(--amber-tint);background:var(--bg-soft);}
.menu-btn{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:#FFF;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-decoration:none;line-height:1.4;
  transition:background var(--tr),color var(--tr),transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.btn-primary{background:var(--amber);color:#FFF;}
.btn-primary:hover{background:var(--amber-dark);color:#FFF;transform:translateY(-2px);box-shadow:0 8px 18px rgba(224,122,43,.28);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(14,58,51,.08);color:var(--ink);}
.btn-light{background:#FFF;color:var(--ink);border-color:var(--border);}
.btn-light:hover{color:var(--amber);border-color:var(--amber-tint);background:var(--bg-soft);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--amber);font-weight:600;font-size:15px;}
.btn-text i{transition:transform var(--tr);}
.btn-text:hover i{transform:translateX(4px);}

/* 移动端面板 */
.mobile-panel{
  display:none;max-width:1080px;margin:10px auto 0;background:#FFF;border:1px solid var(--border);
  border-radius:20px;box-shadow:var(--shadow-2);padding:18px;
}
.mobile-panel.is-open{display:block;animation:fadeDown 180ms ease-out;}
@keyframes fadeDown{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
.mp-title{font-size:12px;color:var(--text-3);letter-spacing:.08em;margin:6px 0 8px;}
.mp-link{display:block;padding:12px 10px;border-radius:10px;font-size:15px;color:var(--text-2);}
.mp-link:hover,.mp-link.is-active{background:var(--bg-alt);color:var(--ink);}
.mp-cta{margin-top:12px;display:block;}
.mp-cta .btn{width:100%;}
.nav-mask{position:fixed;inset:0;background:rgba(21,32,30,.35);z-index:50;display:none;}
.nav-mask.is-open{display:block;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:18px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--amber);}
.breadcrumb .sep{color:var(--border);}
.breadcrumb .cur{color:var(--text-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-head{padding:26px 0 30px;}
.article-head-inner{
  background:#FFF;border:1px solid var(--border);border-radius:20px;padding:34px 36px 30px;
  box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.article-head-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:36px;
  background:linear-gradient(135deg,rgba(14,58,51,.10),rgba(224,122,43,.10));transform:rotate(18deg);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--amber-tint);color:#8A4A14;
}
.article-head h1{
  font-size:40px;line-height:1.35;font-weight:700;margin:16px 0 14px;position:relative;z-index:1;
  max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--text-3);position:relative;z-index:1;}
.article-meta i{color:var(--amber);margin-right:6px;}
.head-rule{height:1px;background:var(--border);margin:26px 0 0;position:relative;z-index:1;}

/* ============ 布局 ============ */
.main-area{padding:22px 0 72px;}
.layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:start;}
.article-card{
  background:#FFF;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:38px 40px;box-shadow:var(--shadow-1);
}
.article-content{max-width:760px;font-size:16.5px;line-height:1.9;color:var(--text);}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;font-size:27px;line-height:1.45;font-weight:600;color:var(--ink);
  margin:44px 0 18px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:1.05em;border-radius:2px;background:var(--ink);
}
.article-content h3{font-size:20px;line-height:1.5;margin:32px 0 12px;color:var(--ink);}
.article-content h4{font-size:17px;margin:24px 0 10px;}
.article-content ul,.article-content ol{margin:0 0 1.2em 1.3em;line-height:1.9;}
.article-content ul li{list-style:disc;margin-bottom:.45em;}
.article-content ol li{list-style:decimal;margin-bottom:.45em;}
.article-content img{border-radius:var(--radius-img);margin:20px 0 10px;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;background:rgba(14,58,51,.06);
  border-left:3px solid var(--ink);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content a{color:var(--amber);border-bottom:1px solid var(--amber-tint);}
.article-content a:hover{color:var(--amber-dark);}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left;}
.article-content th{background:var(--bg-alt);font-weight:600;}
.article-content code{background:var(--bg-alt);padding:2px 6px;border-radius:6px;font-size:14px;}

/* 空态 */
.empty-state{text-align:center;padding:56px 20px;}
.empty-icon{
  width:64px;height:64px;border-radius:18px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;
  background:rgba(14,58,51,.08);color:var(--ink);font-size:26px;
}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;}
.side-card{background:#FFF;border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);}
.side-title{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--amber);}
.side-list li+li{margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);}
.side-item{display:ball;display:flex;gap:12px;align-items:flex-start;}
.side-item img{width:74px;height:54px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.side-item h4{font-size:14.5px;line-height:1.55;font-weight:600;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-item span{font-size:12.5px;color:var(--text-3);}
.side-item:hover h4{color:var(--amber);}
.cat-list li+li{margin-top:8px;}
.cat-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:10px;background:var(--bg-alt);font-size:14.5px;color:var(--text-2);
  transition:background var(--tr),color var(--tr);
}
.cat-list a:hover{background:var(--ink);color:#FFF;}
.cat-list a i{font-size:12px;}
.side-cta{
  background:var(--ink);color:#FFF;border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);
}
.side-cta h4{font-size:17px;color:#FFF;margin-bottom:8px;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.76);line-height:1.75;margin-bottom:16px;}
.side-cta .btn{width:100%;}

/* ============ 文末 ============ */
.article-foot{border-top:1px solid var(--border);margin-top:40px;padding-top:26px;}
.foot-cats{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--text-3);}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  background:var(--bg-alt);color:var(--text-2);font-size:13.5px;transition:background var(--tr),color var(--tr);
}
.chip:hover{background:var(--ink);color:#FFF;}

.related-section{padding:0 0 64px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.sec-head h2{font-size:30px;color:var(--ink);position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1em;border-radius:2px;background:var(--amber);}
.sec-head p{font-size:14.5px;color:var(--text-2);margin-top:8px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:#FFF;border:1px solid var(--border);border-radius:var(--radius-card);padding:0 0 22px;
  box-shadow:var(--shadow-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
  overflow:hidden;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--amber-tint);}
.card-media{width:100%;aspect-ratio:16/10;overflow:hidden;background:rgba(14,58,51,.08);}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 320ms ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 0;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:18px;line-height:1.5;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14.5px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;padding-top:16px;font-size:13px;color:var(--text-3);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.card-meta i{margin-right:6px;color:var(--amber);}
.card-arrow{color:var(--amber);transition:transform var(--tr);}
.card:hover .card-arrow{transform:translateX(4px);}

/* 上一篇 / 下一篇 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:0 0 72px;}
.pager-card{
  background:#FFF;border:1px solid var(--border);border-radius:var(--radius-card);padding:22px 24px;
  box-shadow:var(--shadow-1);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.pager-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--amber-tint);}
.pager-card span{font-size:13px;color:var(--text-3);display:block;margin-bottom:8px;}
.pager-card strong{font-size:16px;font-weight:600;line-height:1.55;display:block;}
.pager-card.is-next{text-align:right;}
.pager-card.is-next strong{color:var(--ink);}

/* CTA 通栏 */
.cta-band{
  background:var(--ink);border-radius:24px;padding:48px 44px;color:#FFF;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 14px 34px rgba(14,58,51,.20);
}
.cta-band h2{color:#FFF;font-size:30px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#FFF;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#FFF;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);margin-top:84px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#FFF;}
.footer-brand .brand-text strong{color:#FFF;}
.footer-brand .brand-text em{color:rgba(255,255,255,.62);}
.f-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.f-title{font-size:14px;font-weight:600;color:#FFF;margin-bottom:16px;}
.f-links li+li{margin-top:10px;}
.f-links a{font-size:14px;color:rgba(255,255,255,.72);}
.f-links a:hover{color:var(--amber-tint);}
.f-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;align-items:flex-start;}
.f-contact i{color:var(--amber-tint);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .dock-nav{display:none;}
  .menu-btn{display:flex;}
  .layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .sidebar{position:static;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-head h1{font-size:32px;}
  .article-card{padding:30px 28px;}
  .cta-band{padding:38px 30px;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .dock-wrap{padding:12px 14px 6px;}
  .dock{padding:10px 12px;border-radius:18px;gap:12px;}
  .dock-actions .btn-primary{display:none;}
  .article-head h1{font-size:28px;}
  .article-content{font-size:16px;}
  .article-content h2{font-size:23px;}
  .article-card{padding:24px 20px;}
  .article-head-inner{padding:24px 20px;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager-card.is-next{text-align:left;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{border-radius:20px;padding:32px 22px;}
  .cta-band h2{font-size:23px;}
  .cta-actions .btn{width:100%;}
  .sec-head h2{font-size:24px;}
  .site-footer{margin-top:56px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E3A33;
  --c-primary-soft:rgba(14,58,51,.08);
  --c-primary-mid:rgba(14,58,51,.16);
  --c-accent:#E07A2B;
  --c-accent-dark:#C9681F;
  --c-accent-soft:#F5D9C0;
  --c-bg:#F6F2EA;
  --c-bg-alt:#EFE9DE;
  --c-white:#FFFFFF;
  --c-text:#15201E;
  --c-text-sub:#4A5854;
  --c-text-weak:#8A9691;
  --c-border:#DFD8CB;
  --c-ok:#6FA287;
  --c-warn:#C2612F;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 2px 10px rgba(21,32,30,.06);
  --sh-hover:0 10px 24px rgba(21,32,30,.12);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;font-weight:400;
  letter-spacing:0;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--c-accent)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;
}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
strong{font-weight:700}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--sp-4)}
.section{padding:var(--sp-7) 0}
.section--alt{background:var(--c-bg-alt)}
.section--white{background:var(--c-white)}
.sec-head{max-width:820px;margin-bottom:var(--sp-5)}
.sec-head h2{
  font-size:32px;line-height:1.35;font-weight:600;position:relative;padding-left:16px;margin-bottom:var(--sp-2);
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);
}
.sec-head p{color:var(--c-text-sub);font-size:16px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-primary);background:var(--c-primary-soft);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:var(--sp-2);
}
.eyebrow i{color:var(--c-accent)}

/* ============ Dock 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0 0;background:transparent;transition:padding .18s ease-out}
.site-header.is-stuck{padding-top:8px}
.dock-nav-wrap{
  max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:var(--sp-3);
  background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  border:1px solid var(--c-border);border-radius:20px;
  padding:12px 20px;box-shadow:var(--sh-card);
  transition:height .18s ease-out,box-shadow .18s ease-out,padding .18s ease-out;
  margin-left:20px;margin-right:20px;
}
.site-header.is-stuck .dock-nav-wrap{box-shadow:var(--sh-hover);padding:8px 20px}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
  font-size:20px;font-weight:700;line-height:1;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:var(--font-num);font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--c-text-weak);letter-spacing:.5px}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:var(--sp-2);flex:1 1 auto}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--c-text-sub);transition:color .2s ease-out,background .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft)}
.nav-link.is-active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--c-border);
  color:var(--c-text-sub);display:flex;align-items:center;justify-content:center;
  transition:all .2s ease-out;background:#fff;
}
.icon-btn:hover{color:var(--c-accent);border-color:var(--c-accent);background:var(--c-accent-soft)}
.hamburger{
  display:none;width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--c-border);
  color:var(--c-primary);background:#fff;align-items:center;justify-content:center;
}
.mobile-drawer{display:none}
.mobile-mask{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  text-decoration:none;border:1px solid transparent;
  transition:background .22s ease-out,transform .22s ease-out,color .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(224,122,43,.22)}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(224,122,43,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary);border-color:rgba(255,255,255,.6)}
.btn-light:hover{background:var(--c-accent-soft);color:var(--c-primary);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary)}
.link-more i{transition:transform .22s ease-out}
.link-more:hover{color:var(--c-accent)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 分类页头 ============ */
.cat-hero{
  position:relative;overflow:hidden;background:
    linear-gradient(180deg,rgba(246,242,234,.94),rgba(246,242,234,.98)),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  padding:var(--sp-7) 0 var(--sp-6);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(14,58,51,.13) 1px,transparent 1px);
  background-size:18px 18px;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-weak);margin-bottom:var(--sp-3);flex-wrap:wrap}
.crumb a{color:var(--c-text-weak)}
.crumb a:hover{color:var(--c-accent)}
.crumb span.sep{color:var(--c-border)}
.cat-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--sp-5);align-items:center}
.cat-hero h1{
  font-size:46px;line-height:1.22;font-weight:700;letter-spacing:0;margin-bottom:var(--sp-3);
}
.cat-hero h1 .hl{color:var(--c-accent)}
.cat-hero .lead{font-size:17px;line-height:1.9;color:var(--c-text-sub);max-width:640px}
.cat-hero .lead + .lead{margin-top:var(--sp-2)}
.cat-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:var(--sp-4)}
.cat-hero-media{position:relative}
.cat-hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--c-border);box-shadow:var(--sh-hover);
}
.media-tag{
  position:absolute;left:-14px;bottom:-16px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:14px 18px;box-shadow:var(--sh-card);min-width:200px;
}
.media-tag .mt-k{font-size:12px;color:var(--c-text-weak);display:block;margin-bottom:4px}
.media-tag .mt-v{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--c-primary);display:block;line-height:1.2}
.slash-block{
  position:absolute;right:-18px;top:-18px;width:96px;height:96px;border-radius:20px;
  background:var(--c-primary);opacity:.1;transform:rotate(8deg);z-index:-1;
}

/* ============ 数据条 ============ */
.stat-strip{
  background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);
}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:var(--sp-4) var(--sp-3);border-left:1px solid var(--c-border)}
.stat-item:first-child{border-left:none;padding-left:0}
.stat-item .num{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat-item .num small{font-size:15px;font-weight:600;margin-left:2px}
.stat-item .lbl{font-size:14px;color:var(--c-text-sub);margin-top:6px}

/* ============ 左图右要点 ============ */
.split{display:grid;grid-template-columns:6fr 6fr;gap:var(--sp-5);align-items:start}
.split-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--c-border)}
.split-media .caption{font-size:13px;color:var(--c-text-weak);margin-top:10px;text-align:center}
.point-list{display:flex;flex-direction:column;gap:14px}
.point{
  display:flex;gap:16px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-card);transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.point:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.point .idx{
  flex:0 0 auto;width:36px;height:36px;border-radius:11px;background:var(--c-accent-soft);
  color:var(--c-accent-dark);font-family:var(--font-num);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.point h3{font-size:18px;font-weight:600;margin-bottom:6px}
.point p{font-size:15px;color:var(--c-text-sub);line-height:1.75}
.point .meta{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.tag{
  display:inline-block;font-size:12.5px;font-weight:500;padding:3px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
}
.tag--accent{background:var(--c-accent-soft);color:var(--c-accent-dark)}
.tag--ok{background:rgba(111,162,135,.16);color:#3F6E56}

/* ============ 双列对比条 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3)}
.compare-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:var(--sp-4);box-shadow:var(--sh-card);transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.compare-card.is-feature{border-color:var(--c-accent);background:linear-gradient(180deg,#FFFDFA,#fff)}
.compare-card .cc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:var(--sp-2)}
.compare-card h3{font-size:20px;font-weight:600}
.bar-list{display:flex;flex-direction:column;gap:16px;margin-top:var(--sp-3)}
.bar-item .bar-top{display:flex;justify-content:space-between;font-size:14px;color:var(--c-text-sub);margin-bottom:7px}
.bar-item .bar-top b{font-family:var(--font-num);color:var(--c-primary);font-weight:700}
.bar-track{height:8px;border-radius:var(--r-pill);background:var(--c-bg-alt);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill);background:var(--c-primary);width:0;transition:width .8s ease-out}
.compare-card.is-feature .bar-fill{background:var(--c-accent)}
.cc-note{margin-top:var(--sp-3);padding-top:var(--sp-3);border-top:1px dashed var(--c-border);font-size:14px;color:var(--c-text-sub);line-height:1.75}

/* ============ 流程节点 ============ */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);position:relative}
.flow::before{
  content:"";position:absolute;top:44px;left:8%;right:8%;height:0;
  border-top:2px dashed var(--c-border);z-index:0;
}
.flow-card{
  position:relative;z-index:1;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:var(--sp-4);box-shadow:var(--sh-card);transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.flow-card:nth-child(2){transform:translateY(16px)}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.flow-card:nth-child(2):hover{transform:translateY(13px)}
.flow-card .fnum{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:14px;
  background:var(--c-accent);color:#fff;font-family:var(--font-num);font-weight:700;font-size:16px;
  margin-bottom:var(--sp-2);
}
.flow-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.flow-card p{font-size:15px;color:var(--c-text-sub);line-height:1.78}
.flow-card .fnote{margin-top:14px;font-size:13px;color:var(--c-text-weak);display:flex;align-items:center;gap:6px}

/* ============ 内容卡列表 ============ */
.entry-list{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.entry-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.entry-card .ec-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.entry-card .ec-body{padding:var(--sp-3);display:flex;flex-direction:column;flex:1 1 auto}
.entry-card h3{font-size:19px;font-weight:600;margin:12px 0 8px;line-height:1.45}
.entry-card p{font-size:15px;color:var(--c-text-sub);line-height:1.75;margin-bottom:var(--sp-3)}
.entry-card .ec-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--c-border);font-size:13px;color:var(--c-text-weak);
}
.entry-card .ec-foot i{transition:transform .22s ease-out}
.entry-card:hover .ec-foot i{transform:translateX(4px);color:var(--c-accent)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:var(--sp-5);align-items:start}
.faq-aside h2{font-size:32px;font-weight:600;line-height:1.35;margin-bottom:var(--sp-2)}
.faq-aside p{color:var(--c-text-sub);font-size:15.5px;line-height:1.85;margin-bottom:var(--sp-3)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--c-border);border-radius:12px;overflow:hidden;
  transition:background .2s ease-out,border-color .2s ease-out;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px 18px 22px;font-size:17px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;transition:transform .22s ease-out,background .22s ease-out;
}
.faq-item[open]{background:#FBF7F0;border-color:var(--c-accent-soft)}
.faq-item[open] summary .ico{transform:rotate(180deg);background:var(--c-accent-soft);color:var(--c-accent-dark)}
.faq-answer{padding:0 22px 20px 22px;border-left:3px solid var(--c-accent);margin-left:0}
.faq-answer p{font-size:15px;color:var(--c-text-sub);line-height:1.85}
.faq-answer p + p{margin-top:10px}

/* ============ 互链 ============ */
.link-cards{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3)}
.link-card{
  display:block;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:var(--sp-4);box-shadow:var(--sh-card);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.link-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--c-accent)}
.link-card h3{font-size:20px;font-weight:600;margin:12px 0 8px}
.link-card p{font-size:15px;color:var(--c-text-sub);line-height:1.75}
.link-card .lc-go{margin-top:var(--sp-3);display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-accent-dark)}
.link-card:hover .lc-go i{transform:translateX(4px)}
.link-card .lc-go i{transition:transform .22s ease-out}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-primary);border-radius:24px;padding:var(--sp-6) var(--sp-5);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(224,122,43,.16);
}
.cta-band .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:var(--sp-5);align-items:center}
.cta-band h2{color:#fff;font-size:32px;font-weight:600;line-height:1.35;margin-bottom:var(--sp-2)}
.cta-band p{color:rgba(255,255,255,.8);font-size:16px;line-height:1.85}
.cta-band .cta-btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:var(--sp-4)}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;color:rgba(255,255,255,.82);font-weight:500}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.07);color:#fff;font-family:inherit;font-size:15px;line-height:1.6;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.45)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(224,122,43,.35);background:rgba(255,255,255,.12);
}
.field--full{grid-column:1 / -1}
.form-hint{font-size:13px;color:rgba(255,255,255,.6);margin-top:10px}
.form-error{font-size:13px;color:#F0A57A;display:none}
.field.has-error input,.field.has-error textarea{border-color:#F0A57A}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary);color:rgba(255,255,255,.82);padding:var(--sp-6) 0 var(--sp-3);margin-top:var(--sp-7)}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 4fr;gap:var(--sp-5);padding-bottom:var(--sp-5)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--sp-2)}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.6)}
.f-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:420px}
.f-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:var(--sp-2)}
.f-links,.f-contact{display:flex;flex-direction:column;gap:12px;font-size:14.5px}
.f-links a{color:rgba(255,255,255,.78)}
.f-links a:hover{color:var(--c-accent-soft)}
.f-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.78);line-height:1.7}
.f-contact i{color:var(--c-accent-soft);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);padding-top:var(--sp-3);
  display:flex;justify-content:space-between;gap:var(--sp-2);flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .container{padding:0 var(--sp-3)}
  .section{padding:var(--sp-6) 0}
  .dock-nav-wrap{margin-left:16px;margin-right:16px;padding:10px 16px}
  .dock-nav{display:none}
  .hamburger{display:inline-flex}
  .dock-actions{margin-left:auto}
  .cat-hero{padding:var(--sp-6) 0 var(--sp-5)}
  .cat-hero-grid{grid-template-columns:1fr;gap:var(--sp-4)}
  .cat-hero h1{font-size:36px}
  .slash-block{display:none}
  .split{grid-template-columns:1fr;gap:var(--sp-4)}
  .faq-layout{grid-template-columns:1fr;gap:var(--sp-4)}
  .cta-band .cta-inner{grid-template-columns:1fr;gap:var(--sp-4)}
  .cta-band .cta-btns{justify-content:flex-start}
  .entry-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-4)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:var(--sp-3)}
  .stat-item:nth-child(3){border-left:none;padding-left:0}
  .flow{grid-template-columns:1fr;gap:var(--sp-2)}
  .flow::before{display:none}
  .flow-card:nth-child(2){transform:none}
  .flow-card:nth-child(2):hover{transform:translateY(-3px)}

  .mobile-drawer{
    display:block;position:fixed;left:16px;right:16px;top:78px;z-index:90;
    background:#fff;border:1px solid var(--c-border);border-radius:18px;box-shadow:var(--sh-hover);
    padding:18px;opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
  }
  .mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .mobile-drawer .md-title{font-size:12.5px;color:var(--c-text-weak);margin:0 0 10px}
  .mobile-drawer .md-links{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
  .mobile-drawer .md-links a{padding:11px 12px;border-radius:var(--r-btn);font-size:15.5px;color:var(--c-text-sub)}
  .mobile-drawer .md-links a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
  .mobile-mask{
    display:block;position:fixed;inset:0;background:rgba(21,32,30,.35);z-index:85;
    opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
  }
  .mobile-mask.is-open{opacity:1;visibility:visible}
}
@media screen and (max-width:640px){
  :root{--sp-5:32px;--sp-6:48px;--sp-7:56px}
  .container{padding:0 20px}
  .brand-text em{display:none}
  .cat-hero h1{font-size:29px;line-height:1.32}
  .cat-hero .lead{font-size:15.5px}
  .cat-hero-actions .btn{width:100%}
  .sec-head h2,.faq-aside h2,.cta-band h2{font-size:24px}
  .compare-grid{grid-template-columns:1fr}
  .entry-list{grid-template-columns:1fr}
  .link-cards{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .stat-item{border-left:none;border-top:1px solid var(--c-border);padding-left:0}
  .stat-item:first-child{border-top:none}
  .cta-band{padding:var(--sp-5) var(--sp-3);border-radius:20px}
  .cta-form{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .dock-nav-wrap{border-radius:16px}
  .media-tag{left:12px;bottom:-14px;padding:10px 14px;min-width:0}
}

/* roulang page: category2 */
:root{
  --ink:#0E3A33;
  --ink-2:#12463D;
  --amber:#E07A2B;
  --amber-deep:#C9681F;
  --amber-soft:#F5D9C0;
  --paper:#F6F2EA;
  --white:#FFFFFF;
  --alt:#EFE9DE;
  --soft:#FBF7F0;
  --t1:#15201E;
  --t2:#4A5854;
  --t3:#8A9691;
  --line:#DFD8CB;
  --ok:#6FA287;
  --warn:#C2612F;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-btn:10px;
  --sh-1:0 2px 10px rgba(21,32,30,.06);
  --sh-2:0 10px 24px rgba(21,32,30,.12);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--amber-deep);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-alt{background:var(--alt);}
.section-white{background:var(--white);}
.sec-head{margin-bottom:48px;max-width:760px;}
.sec-head h2{font-size:32px;font-weight:600;line-height:1.35;}
.sec-head h2::before{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--ink);margin-bottom:18px;}
.sec-head .sec-desc{margin-top:14px;font-size:16px;color:var(--t2);}
.sec-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;}

/* ---------- 顶部浮动 Dock ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 20px 8px;}
.dock{
  max-width:1080px;
  margin:0 auto;
  height:72px;
  padding:0 16px 0 18px;
  display:flex;
  align-items:center;
  gap:20px;
  background:rgba(255,255,255,.93);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-1);
  transition:height .18s ease,box-shadow .18s ease;
}
.site-header.is-compact .dock{height:60px;box-shadow:var(--sh-2);}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;
  border-radius:11px;
  font-family:var(--font-num);
  font-size:19px;font-weight:700;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15px;font-weight:700;color:var(--t1);letter-spacing:0;}
.brand-text em{font-style:normal;font-size:11px;color:var(--t3);letter-spacing:0;}
.dock-nav{display:flex;align-items:center;justify-content:center;gap:4px;flex:1 1 auto;}
.nav-link{
  position:relative;
  padding:10px 13px;
  font-size:15px;
  color:var(--t2);
  border-radius:8px;
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:0;height:2px;border-radius:2px;
  background:var(--amber);
  transform:translateX(-50%);
  transition:width .2s ease-out;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:22px;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{width:22px;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--t2);border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--alt);color:var(--ink);border-color:var(--line);}
.menu-btn{
  display:none;
  width:38px;height:38px;border-radius:10px;
  align-items:center;justify-content:center;
  color:var(--ink);border:1px solid var(--line);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  text-decoration:none;
  transition:transform .2s ease-out,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 2px 10px rgba(224,122,43,.24);}
.btn-primary:hover{background:var(--amber-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(224,122,43,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:rgba(14,58,51,.08);color:var(--ink);transform:translateY(-2px);}
.btn-link{background:none;padding:6px 0;color:var(--ink);font-weight:600;border:0;}
.btn-link i{transition:transform .2s ease-out;}
.btn-link:hover{color:var(--amber-deep);}
.btn-link:hover i{transform:translateX(4px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;
  border-radius:999px;
  background:var(--amber-soft);
  color:#8A4A16;
  font-size:12.5px;
  font-weight:600;
  line-height:1.6;
}
.badge-ink{background:rgba(14,58,51,.09);color:var(--ink);}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  padding:72px 0 96px;
  background-color:var(--paper);
  background-image:radial-gradient(rgba(14,58,51,.07) 1px,transparent 1px);
  background-size:18px 18px;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--t2);margin-bottom:22px;
}
.eyebrow i{color:var(--amber);}
.page-hero h1{font-size:48px;font-weight:700;line-height:1.22;letter-spacing:0;}
.hero-sub{margin-top:20px;font-size:19px;font-weight:600;color:var(--ink);line-height:1.6;}
.hero-text{margin-top:16px;font-size:16px;color:var(--t2);max-width:600px;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-metrics{
  margin-top:36px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:38px;
}
.hero-metrics li{display:flex;flex-direction:column;gap:2px;}
.hero-metrics strong{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--ink);}
.hero-metrics span{font-size:13.5px;color:var(--t3);}
.hero-media{position:relative;}
.hero-media .slash{
  position:absolute;right:-14px;top:-18px;
  width:130px;height:130px;border-radius:24px;
  background:var(--amber);opacity:.14;
  transform:skewX(-12deg);
}
.hero-media img{
  position:relative;z-index:1;
  width:100%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.float-card{
  position:absolute;left:-28px;bottom:26px;z-index:2;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);
  padding:16px 18px;min-width:216px;
}
.fc-title{font-size:13px;color:var(--t3);}
.fc-row{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:10px;font-size:14px;color:var(--t2);}
.fc-row em{font-style:normal;font-weight:600;color:var(--t1);}
.dot-ok{color:var(--ok);display:inline-flex;align-items:center;gap:6px;}
.dot-ok::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ok);}

/* ---------- 处理流程时间轴 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:22px;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;top:26px;left:7%;right:7%;
  border-top:2px dashed var(--line);
}
.tl-step{position:relative;z-index:1;}
.tl-num{
  display:flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
  color:var(--amber);font-family:var(--font-num);font-size:15px;font-weight:700;
  box-shadow:var(--sh-1);
}
.tl-step h3{margin-top:20px;font-size:18px;font-weight:600;}
.tl-step p{margin-top:8px;font-size:14px;color:var(--t2);line-height:1.75;}

/* ---------- 渠道对比 ---------- */
.compare{
  margin-top:8px;
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;background:#fff;box-shadow:var(--sh-1);
}
.compare-head,.compare-row{display:grid;grid-template-columns:1.05fr 2fr 1.5fr 1.75fr;}
.compare-head{background:var(--alt);font-size:14px;font-weight:600;color:var(--t2);}
.compare-head span{padding:15px 22px;}
.compare-row{border-top:1px solid var(--line);}
.compare-row>div{padding:20px 22px;font-size:15px;color:var(--t2);line-height:1.75;}
.compare-row .c-name{font-weight:600;color:var(--t1);display:flex;flex-direction:column;gap:6px;}
.compare-row .c-name small{font-weight:400;font-size:12.5px;color:var(--t3);}

/* ---------- 问题情形 ---------- */
.issue-grid{display:grid;grid-template-columns:2fr 1fr;gap:56px;align-items:start;}
.issue-list{margin-top:8px;}
.issue-item{
  display:grid;grid-template-columns:auto 1fr;column-gap:16px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.issue-item:first-child{padding-top:0;}
.issue-item i{color:var(--amber);font-size:18px;margin-top:6px;}
.issue-item h3{font-size:17px;font-weight:600;}
.issue-item p{margin-top:6px;font-size:14.5px;color:var(--t2);}
.issue-media{position:relative;}
.issue-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);}
.issue-note{
  margin-top:20px;padding:18px 20px;
  background:rgba(14,58,51,.06);
  border-left:3px solid var(--ink);
  border-radius:0 var(--r-card) var(--r-card) 0;
  font-size:14.5px;color:var(--t2);
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.faq-side h2{font-size:30px;font-weight:600;line-height:1.35;}
.faq-side h2::before{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--ink);margin-bottom:18px;}
.faq-side p{margin-top:16px;color:var(--t2);font-size:15.5px;}
.faq-side .btn{margin-top:26px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:box-shadow .2s ease,background .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.open{background:var(--soft);box-shadow:inset 3px 0 0 var(--amber);}
.faq-q{
  width:100%;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 22px;text-align:left;
  font-size:17px;font-weight:600;color:var(--t1);
}
.faq-q i{color:var(--amber);transition:transform .25s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:300px;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--t2);line-height:1.85;}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.rel-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--ink);}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rel-body{padding:22px 24px 26px;}
.rel-body h3{margin-top:14px;font-size:20px;font-weight:600;}
.rel-body p{margin-top:10px;font-size:15px;color:var(--t2);}
.rel-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;font-size:14.5px;font-weight:600;color:var(--ink);
}
.rel-link i{transition:transform .2s ease-out;}
.rel-card:hover .rel-link i{transform:translateX(4px);}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--ink);
  border-radius:24px;
  padding:56px;
  color:#fff;
  display:grid;
  grid-template-columns:5fr 6fr;
  gap:56px;
  align-items:start;
}
.cta-band h2{font-size:30px;font-weight:600;color:#fff;line-height:1.35;}
.cta-band .cta-desc{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.78);}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.82);}
.cta-points i{color:var(--amber);}
.form-grid{margin-bottom:6px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;
  padding:12px 14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-input);
  color:#fff;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.38);}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--amber);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 2px rgba(224,122,43,.45);
}
.field textarea{resize:vertical;min-height:96px;}
.cell{padding-left:0.9375rem;padding-right:0.9375rem;}
.form-row{margin-left:-0.9375rem;margin-right:-0.9375rem;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.76);padding:72px 0 26px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:56px;}
.site-footer .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text em{color:rgba(255,255,255,.55);}
.f-desc{margin-top:20px;font-size:14.5px;line-height:1.85;max-width:420px;}
.f-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:0;}
.f-links li,.f-contact li{margin-bottom:12px;}
.f-links a{color:rgba(255,255,255,.76);font-size:14.5px;}
.f-links a:hover{color:var(--amber);}
.f-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;line-height:1.7;}
.f-contact i{color:var(--amber);margin-top:6px;}
.footer-bottom{
  margin-top:56px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ---------- 搜索面板 / 移动菜单 ---------- */
.search-panel{
  display:none;
  max-width:1080px;margin:10px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-2);padding:14px 16px;
}
.search-panel.is-open{display:block;}
.search-form{display:flex;align-items:center;gap:12px;}
.search-form i{color:var(--t3);}
.search-form input{
  flex:1;border:1px solid var(--line);border-radius:var(--r-input);
  padding:11px 14px;background:var(--paper);color:var(--t1);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-form input:focus{
  outline:none;background:#fff;border-color:var(--amber);
  box-shadow:0 0 0 2px rgba(224,122,43,.35);
}
.mobile-panel{
  display:none;
  max-width:1080px;margin:10px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-2);padding:22px 20px 24px;
}
.mobile-panel.is-open{display:block;}
.mp-title{font-size:12.5px;color:var(--t3);margin-bottom:10px;}
.mp-link{
  display:block;padding:13px 14px;border-radius:12px;
  font-size:16px;color:var(--t1);margin-bottom:6px;
  transition:background .18s ease,color .18s ease;
}
.mp-link:hover{background:var(--alt);color:var(--ink);}
.mp-link.is-active{background:rgba(14,58,51,.08);color:var(--ink);font-weight:600;}
.mobile-panel .btn{margin-top:14px;}
.overlay{
  position:fixed;inset:0;background:rgba(21,32,30,.35);
  opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:70;
}
.overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dock-nav{display:none;}
  .menu-btn{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .page-hero h1{font-size:36px;}
  .issue-grid{grid-template-columns:1fr;gap:40px;}
  .faq-layout{grid-template-columns:1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;gap:36px;padding:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .timeline{grid-template-columns:repeat(3,1fr);}
  .timeline::before{display:none;}
}
@media (max-width:860px){
  .compare-head{display:none;}
  .compare-row{grid-template-columns:1fr;}
  .compare-row>div{padding:14px 20px;}
  .compare-row>div::before{
    content:attr(data-label);
    display:block;font-size:12px;color:var(--t3);margin-bottom:4px;
  }
  .compare-row>div:first-child{padding-top:20px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero{padding:48px 0 56px;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:17px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-metrics{gap:24px;}
  .sec-head h2{font-size:25px;}
  .sec-head.split{flex-direction:column;align-items:flex-start;gap:18px;}
  .float-card{left:12px;bottom:12px;min-width:190px;padding:14px 16px;}
  .hero-media .slash{width:90px;height:90px;right:-8px;top:-12px;}
  .timeline{grid-template-columns:1fr;gap:0;}
  .timeline::before{
    display:block;left:25px;right:auto;top:12px;bottom:12px;
    border-top:0;border-left:2px dashed var(--line);
  }
  .tl-step{display:grid;grid-template-columns:52px 1fr;column-gap:18px;padding-bottom:28px;}
  .tl-num{grid-row:span 2;}
  .tl-step h3{grid-column:2;margin-top:8px;font-size:17px;}
  .tl-step p{grid-column:2;margin-top:4px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:36px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .faq-q{font-size:16px;padding:15px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .site-footer{margin-top:56px;padding-top:56px;}
}
@media (max-width:520px){
  .dock{padding:0 12px;gap:12px;}
  .brand-text em{display:none;}
  .nav-link{font-size:14px;}
  .page-hero h1{font-size:26px;}
  .hero-metrics{flex-direction:column;gap:14px;}
  .search-form{flex-wrap:wrap;}
  .search-form input{min-width:100%;}
}