/* roulang page: index */
:root{
  --primary:#2A2350;
  --ink:#17132A;
  --accent:#E3A83A;
  --accent-d:#CF9526;
  --secondary:#5B7C99;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --line:#E4DFD6;
  --t1:#1F1B2E;
  --t2:#5A5570;
  --t3:#8B8698;
  --inv:#F4F1EA;
  --ok:#2F7D63;
  --warn:#B4762A;
  --err:#B4453C;
  --r-s:6px; --r-m:10px; --r-l:14px; --r-xl:20px; --r-pill:999px;
  --sh1:0 1px 2px rgba(23,19,42,.05);
  --sh2:0 12px 28px rgba(23,19,42,.10);
  --sh3:0 18px 40px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;overflow-x:hidden;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);color:var(--t1);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid rgba(227,168,58,.55);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--ink);padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- Shell ---------- */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:240px;background:var(--ink);
  display:none;flex-direction:column;padding:22px 16px 20px;z-index:50;overflow-y:auto;
}
@media(min-width:1024px){.app-sidebar{display:flex}}
.brand-link{display:flex;align-items:center;gap:10px;padding:6px 8px 18px}
.brand-mark{width:32px;height:32px;border-radius:10px;background:rgba(227,168,58,.14);display:flex;align-items:center;justify-content:center;flex:0 0 32px}
.brand-text{font-size:16px;font-weight:700;color:var(--inv);letter-spacing:.01em;display:flex;align-items:center;gap:5px}
.brand-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:8px;
  color:rgba(244,241,234,.72);font-size:14.5px;transition:background .2s ease,color .2s ease;
}
.side-nav a svg{flex:0 0 18px;opacity:.78}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side-nav a.is-active{background:rgba(255,255,255,.06);color:#fff;font-weight:600}
.side-nav a.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--accent)}
.side-nav a.is-active svg{opacity:1}
.side-cta{margin-top:20px}
.side-foot{margin-top:auto;padding-top:24px;border-top:1px solid rgba(244,241,234,.12);font-size:13px;line-height:1.7;color:rgba(244,241,234,.55)}
.side-foot p{margin-bottom:4px}

.mobile-bar{
  position:sticky;top:0;z-index:60;height:56px;background:var(--ink);
  display:flex;align-items:center;justify-content:space-between;padding:0 16px;
}
@media(min-width:1024px){.mobile-bar{display:none}}
.hamburger{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(244,241,234,.22);border-radius:10px;cursor:pointer}
.hamburger span{display:block;width:18px;height:2px;background:var(--inv);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--inv);border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

.drawer-mask{position:fixed;inset:0;background:rgba(23,19,42,.55);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:70}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;max-width:86vw;background:var(--ink);
  transform:translateX(100%);transition:transform .22s ease;z-index:80;display:flex;flex-direction:column;
  padding:20px 16px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;margin-bottom:8px;border-bottom:1px solid rgba(244,241,234,.12)}
.drawer-close{width:44px;height:44px;background:transparent;border:1px solid rgba(244,241,234,.22);border-radius:10px;color:var(--inv);cursor:pointer;line-height:1}
.drawer-foot{margin-top:auto;padding-top:20px}

.page-shell{margin-left:0;display:flex;flex-direction:column;min-height:100vh}
@media(min-width:1024px){.page-shell{margin-left:240px}}
.topline{display:none;height:36px;background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--t2)}
@media(min-width:1024px){.topline{display:flex;align-items:center;justify-content:space-between;padding:0 40px}}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.wrap{padding:0 40px}}
.section{padding:48px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section--tight{padding:40px 0}
.section--dark{background:var(--ink);color:var(--inv)}
.section--white{background:var(--surface)}

/* ---------- Typography ---------- */
.h1{font-family:'Noto Serif SC',"Songti SC",serif;font-size:30px;line-height:1.28;font-weight:700;letter-spacing:-.01em}
@media(min-width:768px){.h1{font-size:38px}}
@media(min-width:1024px){.h1{font-size:44px;line-height:1.25}}
.h2{font-family:'Noto Serif SC',"Songti SC",serif;font-size:22px;line-height:1.3;font-weight:700;margin-bottom:14px}
@media(min-width:1024px){.h2{font-size:30px;margin-bottom:16px}}
.h3{font-size:18px;line-height:1.4;font-weight:700;margin-bottom:8px}
@media(min-width:1024px){.h3{font-size:20px}}
.h4{font-size:16px;font-weight:700;line-height:1.5}
.lead{font-size:16px;line-height:1.85;color:var(--t2)}
.muted{color:var(--t2)}
.faint{color:var(--t3);font-size:13px;line-height:1.6}
.section-head{max-width:760px;margin-bottom:32px}
@media(min-width:1024px){.section-head{margin-bottom:44px}}
.section-head .eyebrow{font-size:13px;letter-spacing:.14em;color:var(--accent-d);font-weight:600;margin-bottom:10px}
.section-head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;max-width:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:10px;font-size:15.5px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .2s ease;text-align:center;
}
@media(max-width:639px){.btn{min-height:44px;padding:0 20px}}
.btn-accent{background:var(--accent);color:var(--ink);box-shadow:var(--sh1)}
.btn-accent:hover{background:var(--accent-d);box-shadow:0 8px 20px rgba(227,168,58,.28);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(42,35,80,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(42,35,80,.12)}
.btn-ghost-inv{background:transparent;border-color:rgba(244,241,234,.42);color:var(--inv)}
.btn-ghost-inv:hover{background:rgba(244,241,234,.08);border-color:var(--inv);transform:translateY(-1px)}
.btn-block{width:100%}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .2s ease,color .2s ease}
.btn-text:hover{border-bottom-color:var(--primary)}
.btn-text .arw{transition:transform .2s ease;display:inline-block}
.btn-text:hover .arw{transform:translateX(3px)}
.btn-text--inv{color:var(--accent)}
.btn-text--inv:hover{border-bottom-color:var(--accent)}

/* ---------- Cards / badges / tags ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:24px;box-shadow:var(--sh1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:rgba(42,35,80,.18)}
@media(max-width:639px){.card{padding:20px}}
.card--accent{border-color:rgba(227,168,58,.55);border-left:4px solid var(--accent)}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
.badge--accent{border:1px solid rgba(227,168,58,.7);color:var(--accent-d);background:rgba(227,168,58,.08)}
.badge--primary{background:rgba(42,35,80,.07);color:var(--primary)}
.badge--ok{background:rgba(47,125,99,.1);color:var(--ok)}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);background:rgba(42,35,80,.05);color:var(--t2);font-size:12.5px;transition:background .2s ease,color .2s ease}
.tag:hover{background:var(--primary);color:var(--inv)}
.divider{height:1px;background:var(--line);border:0;margin:0}
.icon-star{color:var(--accent)}
.num{font-family:'Noto Serif SC',"Songti SC",serif;font-weight:700;color:var(--accent)}
.stat-num{font-family:'Noto Serif SC',"Songti SC",serif;font-size:34px;line-height:1.1;font-weight:700;color:var(--primary)}
@media(min-width:1024px){.stat-num{font-size:40px}}
.stat-label{font-size:13px;color:var(--t3);margin-top:6px}

/* ---------- Hero ---------- */
.hero{padding:40px 0 48px}
@media(min-width:1024px){.hero{padding:56px 0 72px}}
.hero-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh2);background:var(--line);aspect-ratio:16/10}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(23,19,42,.14)}
.hero-badge{position:absolute;right:14px;bottom:14px;z-index:2;background:var(--accent);color:var(--ink);font-size:12.5px;font-weight:700;padding:7px 13px;border-radius:var(--r-pill);box-shadow:0 8px 20px rgba(0,0,0,.25)}
.trust-list{display:grid;gap:14px;margin-top:28px}
@media(min-width:640px){.trust-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}}
.trust-item{border-top:2px solid var(--accent);padding-top:12px}
.trust-item strong{display:block;font-size:14.5px;margin-bottom:2px}
.trust-item span{font-size:13px;color:var(--t2);line-height:1.65;display:block}

/* ---------- Feature grid ---------- */
.feat-card{display:flex;flex-direction:column;height:100%;overflow:hidden;padding:0}
.feat-cover{aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-l) var(--r-l) 0 0;background:var(--line)}
.feat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.feat-card:hover .feat-cover img{transform:scale(1.03)}
.feat-body{padding:22px;display:flex;flex-direction:column;flex:1}
.feat-body p{font-size:14.5px;color:var(--t2);line-height:1.75;margin-bottom:16px}
.feat-body .btn-text{margin-top:auto;align-self:flex-start}

/* ---------- Ladder ---------- */
.ladder{display:grid;gap:18px}
@media(min-width:640px){.ladder{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.ladder{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-items:start}}
.ladder-item{position:relative;display:flex;flex-direction:column;height:100%}
.ladder-item .lvl{font-family:'Noto Serif SC',"Songti SC",serif;font-size:30px;font-weight:700;color:rgba(42,35,80,.18);line-height:1}
.ladder-item .threshold{font-size:15px;font-weight:700;margin:8px 0 14px;color:var(--primary)}
.benefit-list li{position:relative;padding-left:22px;font-size:14px;color:var(--t2);line-height:1.7;margin-bottom:9px}
.benefit-list li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:2px;background:var(--accent);transform:rotate(45deg)}
.ladder-item .btn-text{margin-top:auto;padding-top:8px;align-self:flex-start}
.ladder-item.is-rec{border-color:rgba(227,168,58,.55);border-left:4px solid var(--accent);background:linear-gradient(180deg,rgba(227,168,58,.06),rgba(255,255,255,0) 40%),var(--surface)}
.rec-flag{position:absolute;top:0;right:0;background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;padding:5px 12px;border-radius:0 var(--r-l) 0 var(--r-l)}

/* ---------- Compare table ---------- */
.compare-scroll{overflow-x:auto;padding-bottom:6px}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;min-width:820px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{background:#FBFAF7;font-weight:700;font-size:15px;color:var(--primary);vertical-align:top}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:nth-child(even){background:rgba(42,35,80,.014)}
.compare-table tbody tr:hover{background:rgba(42,35,80,.03)}
.compare-table .rowhead{width:150px;font-weight:600;color:var(--t2);background:#FBFAF7}
.compare-table .col-rec{background:rgba(42,35,80,.04)}
.compare-table thead .col-rec{box-shadow:inset 0 3px 0 var(--accent)}
.cmp-price{display:block;font-family:'Noto Serif SC',"Songti SC",serif;font-size:19px;color:var(--accent-d);font-weight:700;margin:6px 0 10px}
.cmp-yes{color:var(--accent-d);font-weight:700}
.cmp-no{color:var(--t3)}
.compare-cards{display:grid;gap:16px}
@media(min-width:1024px){.compare-cards{display:none}}
.cmp-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:20px;box-shadow:var(--sh1)}
.cmp-card.is-rec{border-color:rgba(227,168,58,.55);border-left:4px solid var(--accent)}
.cmp-row{display:flex;justify-content:space-between;gap:14px;font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line)}
.cmp-row:last-child{border-bottom:0}
.cmp-row dt{color:var(--t3);flex:0 0 96px}
.cmp-row dd{margin:0;text-align:right;color:var(--t1)}

/* ---------- Limited offer ---------- */
.limited{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--ink);padding:36px 24px;color:var(--inv)}
@media(min-width:1024px){.limited{padding:52px 48px}}
.limited::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(227,168,58,.75),transparent)}
.limited::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(244,241,234,.5) 1px,transparent 1px);background-size:64px 64px;opacity:.06;pointer-events:none}
.countdown{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:340px;margin:22px 0 4px}
@media(min-width:640px){.countdown{grid-template-columns:repeat(4,minmax(0,1fr));max-width:420px}}
.cd-cell{background:rgba(244,241,234,.06);border:1px solid rgba(244,241,234,.14);border-radius:var(--r-m);padding:12px 6px;text-align:center}
.cd-num{font-family:'Noto Serif SC',"Songti SC",serif;font-size:26px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.15}
.cd-cap{font-size:12px;color:rgba(244,241,234,.6);margin-top:2px}

/* ---------- News ---------- */
.news-card{display:flex;flex-direction:column;height:100%;padding:0;overflow:hidden}
.news-thumb{display:block;aspect-ratio:16/9;background:var(--line);overflow:hidden;border-radius:var(--r-l) var(--r-l) 0 0}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:17px;line-height:1.5;font-weight:700;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--primary)}
.news-excerpt{font-size:14px;line-height:1.7;color:var(--t2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-top:auto}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3);display:inline-block}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:64px 20px;border:1px dashed var(--line);border-radius:var(--r-l);background:var(--surface)}
.empty-state p{font-size:14px;color:var(--t2);margin:14px 0 10px}

/* ---------- Stats ---------- */
.stats-grid{display:grid;gap:20px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media(min-width:1024px){.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
.quote-card{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--secondary);border-radius:var(--r-l);padding:22px 24px;box-shadow:var(--sh1)}
.quote-card p{font-size:15px;line-height:1.85;color:var(--t2)}
.quote-card footer{margin-top:12px;font-size:13px;color:var(--t3)}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.open{border-color:rgba(42,35,80,.2);box-shadow:var(--sh1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:transparent;border:0;padding:18px 20px;font-size:17px;font-weight:600;cursor:pointer;line-height:1.5}
.faq-icon{flex:0 0 24px;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:15px;line-height:1;transition:background .2s ease}
.faq-item.open .faq-icon{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--t2)}

/* ---------- Form ---------- */
.consult-grid{display:grid;gap:32px}
@media(min-width:1024px){.consult-grid{grid-template-columns:5fr 6fr;gap:48px}}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);padding:26px;box-shadow:var(--sh2)}
@media(min-width:640px){.form-card{padding:32px}}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.req{color:var(--err);margin-left:3px}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;min-height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:var(--r-m);
  background:#FCFBF9;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(227,168,58,.24)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err)}
.field .err-msg{display:none;font-size:12.5px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--t2);line-height:1.6}
.check-line input{width:18px;height:18px;margin-top:3px;flex:0 0 18px;accent-color:var(--accent-d)}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-m);font-size:14px}
.form-msg--ok{background:rgba(47,125,99,.1);color:var(--ok);border:1px solid rgba(47,125,99,.25)}
.form-msg--err{background:rgba(180,69,60,.08);color:var(--err);border:1px solid rgba(180,69,60,.22)}
.contact-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--t2)}
.contact-list li:last-child{border-bottom:0}
.contact-list strong{color:var(--t1);font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(244,241,234,.72);padding:48px 0 28px;margin-top:auto}
@media(min-width:1024px){.site-footer{padding:64px 0 28px}}
.footer-grid{display:grid;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-title{font-size:14px;font-weight:700;color:var(--inv);margin-bottom:14px;letter-spacing:.03em}
.footer-list li{margin-bottom:10px;font-size:14px}
.footer-list a{color:rgba(244,241,234,.68);font-size:14px}
.footer-list a:hover{color:var(--accent)}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(244,241,234,.12);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(244,241,234,.5)}
.to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(244,241,234,.7)}
.to-top:hover{color:var(--accent)}
.scroll-hint{display:none}
@media(max-width:1023px){
  .compare-scroll{position:relative}
  .scroll-hint{display:block;font-size:12.5px;color:var(--t3);margin-top:8px}
}

/* roulang page: category1 */
:root{
  --primary:#2A2350;
  --ink:#17132A;
  --accent:#E3A83A;
  --accent-dark:#CF9526;
  --secondary:#5B7C99;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --line:#E4DFD6;
  --text:#1F1B2E;
  --text-2:#5A5570;
  --text-3:#8B8698;
  --inverse:#F4F1EA;
  --success:#2F7D63;
  --error:#B4453C;
  --r-s:6px;
  --r-m:10px;
  --r-l:14px;
  --r-xl:20px;
  --r-p:999px;
  --shadow-1:0 1px 2px rgba(23,19,42,.05);
  --shadow-2:0 12px 28px rgba(23,19,42,.10);
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid rgba(227,168,58,.85);outline-offset:2px;border-radius:4px;}

/* ---------- shell ---------- */
.side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);color:var(--inverse);
  display:flex;flex-direction:column;
  padding:26px 16px 20px;z-index:60;overflow-y:auto;
}
.side-logo{display:flex;align-items:center;gap:10px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.09);}
.side-logo .mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(150deg,rgba(227,168,58,.9),rgba(42,35,80,.9));
  display:flex;align-items:center;justify-content:center;
}
.side-logo .mark svg{width:18px;height:18px;stroke:#17132A;}
.side-logo .wordmark{font-size:16px;font-weight:700;letter-spacing:.01em;color:#F4F1EA;line-height:1.3;}
.side-logo .wordmark i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);margin-left:5px;vertical-align:middle;}
.side-logo .sub{font-size:12px;color:rgba(244,241,234,.55);margin-top:2px;}
.side-nav{margin-top:20px;display:flex;flex-direction:column;gap:4px;}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;border-radius:8px;
  font-size:14.5px;color:rgba(244,241,234,.78);
  transition:background .2s ease,color .2s ease;
  position:relative;
}
.side-nav a svg{flex:0 0 18px;stroke:rgba(244,241,234,.7);}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-nav a:hover svg{stroke:var(--accent);}
.side-nav a.is-active{background:rgba(255,255,255,.06);color:#fff;font-weight:600;}
.side-nav a.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  background:var(--accent);border-radius:3px;
}
.side-nav a.is-active svg{stroke:var(--accent);}
.side-cta{margin-top:22px;}
.side-foot{
  margin-top:auto;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
  font-size:12.5px;line-height:1.9;color:rgba(244,241,234,.52);
}
.side-foot strong{display:block;color:rgba(244,241,234,.82);font-size:12.5px;font-weight:600;margin-bottom:4px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:var(--accent-dark);box-shadow:0 8px 20px rgba(227,168,58,.28);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(23,19,42,.25);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:rgba(42,35,80,.06);}
.btn-light{background:transparent;border-color:rgba(244,241,234,.55);color:#F4F1EA;}
.btn-light:hover{background:rgba(244,241,234,.12);border-color:#F4F1EA;}
.btn-block{width:100%;}
.side-cta .btn{min-height:44px;font-size:14.5px;padding:0 16px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--primary);min-height:44px;
  border-bottom:1px solid rgba(42,35,80,.25);
  transition:color .2s ease,border-color .2s ease,text-underline-offset .2s ease;
}
.btn-text svg{transition:transform .2s ease;}
.btn-text:hover{color:var(--accent-dark);border-color:rgba(207,149,38,.6);text-underline-offset:4px;}
.btn-text:hover svg{transform:translateX(3px);}

/* ---------- topbar & drawer ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:var(--ink);color:#F4F1EA;align-items:center;justify-content:space-between;
  padding:0 16px;box-shadow:0 2px 12px rgba(23,19,42,.28);
}
.topbar .brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;}
.topbar .brand i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);}
.burger{
  width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:transparent;border:0;cursor:pointer;
}
.burger span{display:block;width:20px;height:1.7px;background:#F4F1EA;border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.mask{
  position:fixed;inset:0;background:rgba(23,19,42,.55);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.mask.show{opacity:1;visibility:visible;}
body.nav-open{overflow:hidden;}

/* ---------- layout ---------- */
.main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;}
.info-bar{
  height:36px;display:flex;align-items:center;gap:18px;
  background:rgba(42,35,80,.045);border-bottom:1px solid var(--line);
  padding:0 40px;font-size:13px;color:var(--text-2);
}
.info-bar span{display:inline-flex;align-items:center;gap:6px;}
.info-bar .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px;}
.section{padding:72px 0;}
.section.tight{padding:48px 0;}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;color:var(--secondary);font-weight:600;
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);}
h1{font-family:"Noto Serif SC","Songti SC",serif;font-size:44px;line-height:1.25;letter-spacing:-.01em;}
h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:30px;line-height:1.3;}
h3{font-size:20px;line-height:1.4;}
.lede{font-size:17px;line-height:1.9;color:var(--text-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin:14px 0 12px;}
.section-head p{color:var(--text-2);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}

/* ---------- breadcrumb & head ---------- */
.crumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--accent-dark);}
.crumb .sep{color:var(--line);}
.crumb .now{color:var(--text-3);}

.page-head{padding:40px 0 0;}
.page-head h1{margin:18px 0 18px;max-width:900px;}
.page-head .lede{max-width:760px;}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.banner{
  position:relative;margin-top:36px;border-radius:var(--r-xl);overflow:hidden;
  height:260px;box-shadow:var(--shadow-1);
}
.banner img{width:100%;height:100%;object-fit:cover;}
.banner::after{content:"";position:absolute;inset:0;background:rgba(23,19,42,.32);}
.banner-tag{
  position:absolute;left:24px;bottom:22px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(23,19,42,.72);color:#F4F1EA;
  padding:8px 16px;border-radius:var(--r-p);font-size:13px;
  border:1px solid rgba(227,168,58,.5);
}
.banner-tag b{color:var(--accent);font-weight:600;}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.stat:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(42,35,80,.18);}
.stat .num{font-family:"Noto Serif SC","Songti SC",serif;font-size:38px;line-height:1.1;color:var(--primary);font-weight:700;}
.stat .num em{font-style:normal;font-size:16px;color:var(--text-3);margin-left:4px;font-family:inherit;}
.stat h3{font-size:15.5px;margin:12px 0 6px;}
.stat p{font-size:13.5px;line-height:1.75;color:var(--text-2);}

/* ---------- alternating rows ---------- */
.alt-row{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
  padding:36px 0;
}
.alt-row + .alt-row{border-top:1px solid var(--line);}
.alt-row:nth-child(even) .alt-media{order:2;}
.alt-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:5/4;}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.alt-row:hover .alt-media img{transform:scale(1.02);}
.alt-media .idx{
  position:absolute;left:16px;top:16px;background:rgba(23,19,42,.72);color:var(--accent);
  font-family:"Noto Serif SC","Songti SC",serif;font-size:16px;font-weight:700;
  padding:6px 12px;border-radius:var(--r-s);letter-spacing:.06em;
}
.alt-body h2{font-size:26px;margin-bottom:16px;}
.alt-body p{color:var(--text-2);font-size:16px;}
.alt-body .btn-text{margin-top:8px;}
.alt-body .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 4px;}
.tag{
  display:inline-flex;align-items:center;
  background:rgba(42,35,80,.055);color:var(--text-2);
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-p);
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--primary);color:#F4F1EA;}

/* ---------- checklist list ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 32px;margin-top:8px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);
}
.check-list li svg{flex:0 0 20px;margin-top:3px;stroke:var(--accent);}
.check-list li b{color:var(--text);font-weight:600;}

/* ---------- faq ---------- */
.faq{max-width:840px;}
.faq details{
  border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);
  margin-bottom:12px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details:hover{border-color:rgba(42,35,80,.18);}
.faq details[open]{border-color:rgba(227,168,58,.55);}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--text);min-height:44px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .pm{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(42,35,80,.28);position:relative;transition:background .2s ease,border-color .2s ease;
}
.faq summary .pm::before,.faq summary .pm::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);transform:translate(-50%,-50%);
  transition:transform .2s ease,background .2s ease;
}
.faq summary .pm::before{width:10px;height:1.6px;}
.faq summary .pm::after{width:1.6px;height:10px;}
.faq details[open] summary .pm{background:var(--accent);border-color:var(--accent);}
.faq details[open] summary .pm::before,.faq details[open] summary .pm::after{background:var(--ink);}
.faq details[open] summary .pm::after{transform:translate(-50%,-50%) scaleY(0);}
.faq .answer{
  padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq .answer p{margin:0;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);color:var(--inverse);border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.28);
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,168,58,.18),rgba(227,168,58,0) 68%);
}
.cta-band h2{color:#F4F1EA;font-size:28px;margin-bottom:14px;}
.cta-band p{color:rgba(244,241,234,.75);font-size:15.5px;max-width:560px;}
.cta-band .actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-band .rule{width:56px;height:2px;background:var(--accent);margin-bottom:20px;border-radius:2px;}

/* ---------- footer ---------- */
.site-foot{background:var(--ink);color:rgba(244,241,234,.72);margin-top:auto;padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.site-foot h3{color:#F4F1EA;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;}
.site-foot a{font-size:13.5px;color:rgba(244,241,234,.7);transition:color .2s ease;display:inline-block;padding:5px 0;}
.site-foot a:hover{color:var(--accent);}
.foot-brand .wordmark{display:flex;align-items:center;gap:9px;color:#F4F1EA;font-size:17px;font-weight:700;margin-bottom:14px;}
.foot-brand .wordmark i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);}
.foot-brand p{font-size:13.5px;line-height:1.85;color:rgba(244,241,234,.62);max-width:320px;}
.foot-list li{border-bottom:1px solid rgba(255,255,255,.06);}
.foot-list li:last-child{border-bottom:0;}
.foot-contact li{font-size:13.5px;padding:6px 0;color:rgba(244,241,234,.7);}
.foot-contact li span{color:rgba(244,241,234,.45);margin-right:8px;}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(244,241,234,.5);
}
.foot-bottom a{font-size:13px;color:rgba(244,241,234,.6);}
.foot-bottom a:hover{color:var(--accent);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
}
@media (max-width:1023px){
  .side{
    transform:translateX(-100%);transition:transform .24s ease;width:280px;
    box-shadow:0 18px 40px rgba(0,0,0,.35);
  }
  .side.open{transform:translateX(0);}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:56px;}
  .info-bar{display:none;}
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  h1{font-size:34px;}
  h2{font-size:24px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .alt-row{grid-template-columns:1fr;gap:24px;}
  .alt-row:nth-child(even) .alt-media{order:0;}
  .alt-media{aspect-ratio:16/10;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  h1{font-size:30px;}
  h2{font-size:22px;}
  .alt-body h2{font-size:21px;}
  .banner{height:180px;border-radius:16px;}
  .banner-tag{left:16px;bottom:16px;font-size:12.5px;}
  .stat-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .head-actions .btn{width:100%;}
  .cta-band{padding:28px 22px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .cta-band .actions{width:100%;}
  .cta-band .actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .faq summary{font-size:15.5px;padding:16px 18px;}
  .faq .answer{padding:0 18px 18px;}
}

/* roulang page: article */
:root{
  --primary:#2A2350;
  --ink:#17132A;
  --accent:#E3A83A;
  --accent-hover:#CF9526;
  --secondary:#5B7C99;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --line:#E4DFD6;
  --t1:#1F1B2E;
  --t2:#5A5570;
  --t3:#8B8698;
  --on-dark:#F4F1EA;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:14px;
  --r-xl:20px;
  --sh1:0 1px 2px rgba(23,19,42,.05);
  --sh2:0 12px 28px rgba(23,19,42,.10);
  --sans:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --serif:'Noto Serif SC',"Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0}
li{list-style:none}
:focus-visible{outline:2px solid rgba(227,168,58,.75);outline-offset:2px;border-radius:4px}

/* ---------- 左侧 App Shell ---------- */
.app-sidebar{
  position:fixed;left:0;top:0;bottom:0;width:240px;
  background:var(--ink);
  color:var(--on-dark);
  display:flex;flex-direction:column;gap:20px;
  padding:24px 16px 20px;
  overflow-y:auto;
  z-index:70;
  background-image:radial-gradient(circle at 22% 12%,rgba(255,255,255,.055) 0 1px,transparent 1.4px),radial-gradient(circle at 74% 42%,rgba(255,255,255,.045) 0 1px,transparent 1.4px),radial-gradient(circle at 40% 82%,rgba(255,255,255,.04) 0 1px,transparent 1.4px);
  background-size:120px 120px,180px 180px,150px 150px;
}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 0}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:rgba(227,168,58,.14);
  border:1px solid rgba(227,168,58,.42);
  display:flex;align-items:center;justify-content:center;color:var(--accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:17px;font-weight:700;color:#fff;letter-spacing:.01em}
.brand-name::after{content:'';display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);margin-left:5px;vertical-align:middle}
.brand-sub{font-size:11.5px;color:rgba(244,241,234,.55);letter-spacing:.06em}
.sidebar-label{font-size:11px;letter-spacing:.18em;color:rgba(244,241,234,.42);padding:0 8px;margin-top:6px}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;border-radius:8px;
  font-size:14.5px;color:rgba(244,241,234,.78);
  transition:background .2s ease,color .2s ease,padding .2s ease;
}
.side-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side-nav a.is-active{background:rgba(255,255,255,.06);color:#fff}
.side-nav a.is-active::before{
  content:'';position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--accent);
}
.side-nav svg{flex:0 0 18px;opacity:.9}
.sidebar-cta{
  margin-top:4px;display:flex;align-items:center;justify-content:center;
  min-height:46px;border-radius:var(--r-md);
  background:var(--accent);color:var(--ink);font-weight:600;font-size:15px;
  transition:background .2s ease,box-shadow .2s ease,transform .2s ease;
}
.sidebar-cta:hover{background:var(--accent-hover);box-shadow:0 8px 20px rgba(227,168,58,.28);transform:translateY(-1px)}
.sidebar-cta:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.sidebar-meta{margin-top:auto;padding:14px 8px 0;border-top:1px solid rgba(244,241,234,.12);font-size:12.5px;line-height:1.9;color:rgba(244,241,234,.6)}
.sidebar-meta b{display:block;color:rgba(244,241,234,.9);font-weight:600;font-size:13px;margin-bottom:4px}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;
  background:var(--ink);color:#fff;align-items:center;justify-content:space-between;
  padding:0 14px;z-index:80;
}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px}
.hamburger{
  width:44px;height:44px;border:1px solid rgba(244,241,234,.22);border-radius:10px;
  background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;color:#fff;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,19,42,.55);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:88;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;background:var(--ink);
  color:var(--on-dark);z-index:90;transform:translateX(105%);
  transition:transform .26s ease;display:flex;flex-direction:column;padding:20px 16px;
}
body.is-drawer-open .drawer{transform:translateX(0)}
body.is-drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:10px;border:1px solid rgba(244,241,234,.2);background:transparent;color:#fff;margin-bottom:12px}
.drawer .side-nav{margin-bottom:16px}
.drawer-foot{margin-top:auto}

/* ---------- 主内容 ---------- */
.page-main{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.info-bar{
  height:36px;display:flex;align-items:center;justify-content:space-between;
  padding:0 40px;background:rgba(255,255,255,.7);border-bottom:1px solid var(--line);
  font-size:13px;color:var(--t2);
}
.info-bar .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:8px;vertical-align:middle}
.info-bar a{color:var(--primary);font-weight:600}
.info-bar a:hover{color:var(--accent-hover)}
.container-page{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}

/* ---------- 面包屑 ---------- */
.crumbs{padding:26px 0 0;font-size:13px;color:var(--t3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--t2)}
.crumbs a:hover{color:var(--accent-hover)}
.crumbs .sep{color:#C3BDD0}
.crumbs .current{color:var(--t3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:20px 0 0}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(91,124,153,.55);color:var(--secondary);font-size:12.5px;background:rgba(91,124,153,.07);
}
.article-h1{
  font-family:var(--serif);font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
  margin:16px 0 14px;color:var(--primary);
}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font-size:13px;color:var(--t3)}
.article-meta .bullet{width:3px;height:3px;border-radius:50%;background:#C3BDD0;display:inline-block}
.head-rule{height:1px;background:var(--line);margin:22px 0 34px}

/* ---------- 布局 ---------- */
.layout-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;align-items:start;
  padding-bottom:56px;
}
.article-shell{max-width:800px}

/* ---------- 正文 ---------- */
.article-body{font-size:17px;line-height:1.95;color:var(--t1)}
.article-body p{margin:0 0 1.3em}
.article-body h2{
  position:relative;font-family:var(--serif);font-size:30px;line-height:1.3;font-weight:700;
  color:var(--primary);margin:48px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:'';position:absolute;left:0;top:.3em;bottom:.3em;width:3px;border-radius:2px;background:var(--accent);
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:600;margin:28px 0 10px;color:var(--t1)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body ul li{list-style:disc;margin-bottom:.5em;line-height:1.8}
.article-body ol li{list-style:decimal;margin-bottom:.5em;line-height:1.8}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:rgba(42,35,80,.05);
  border-left:3px solid var(--primary);border-radius:0 10px 10px 0;color:var(--t2);font-size:16px;
}
.article-body img{border-radius:14px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:8px}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-hover)}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:rgba(42,35,80,.045);font-weight:600;color:var(--primary)}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--ink);color:var(--on-dark);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body pre{background:var(--ink);color:var(--on-dark);padding:16px 18px;border-radius:14px;overflow-x:auto;font-size:14px}
.article-body pre code{background:none;padding:0}
.article-body hr{border:none;height:1px;background:var(--line);margin:36px 0}

.empty-state{
  padding:64px 24px;text-align:center;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);
}
.empty-state .star{font-size:30px;color:var(--accent);letter-spacing:.3em;display:block;margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--t2);margin:0 0 16px}

/* ---------- 内嵌 CTA 条 ---------- */
.cta-strip{
  margin:40px 0;padding:22px 24px;border-radius:var(--r-lg);
  background:linear-gradient(0deg,rgba(42,35,80,.05),rgba(42,35,80,.05)),var(--surface);
  border:1px solid var(--line);border-left:4px solid var(--accent);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.cta-strip strong{display:block;font-size:16.5px;color:var(--primary);margin-bottom:4px}
.cta-strip span{font-size:13.5px;color:var(--t2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 8px 20px rgba(227,168,58,.28);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(42,35,80,.06)}
.btn-ghost:active{background:rgba(42,35,80,.12)}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;padding:8px 0;border:none;background:none;
  color:var(--primary);font-size:14.5px;font-weight:600;min-height:44px;
}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}
.btn-text:hover svg{transform:translateX(3px)}

/* ---------- 侧栏卡片 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:24px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh1)}
.side-card h3{font-size:14px;letter-spacing:.08em;color:var(--t3);margin:0 0 12px;font-weight:600}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--t2);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:rgba(42,35,80,.05);color:var(--primary);border-left-color:var(--accent)}
.toc-list a.toc-h3{padding-left:22px;font-size:13.5px}
.toc-empty{font-size:13.5px;color:var(--t3);line-height:1.7}
.side-links li + li{border-top:1px solid var(--line)}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:48px;font-size:14.5px;color:var(--t2)}
.side-links a:hover{color:var(--accent-hover)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  background:rgba(42,35,80,.055);color:var(--t2);font-size:12.5px;
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--primary);color:#fff}

/* ---------- 文章尾部 ---------- */
.article-foot{margin-top:8px}
.foot-block{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.foot-block h2{font-size:20px;color:var(--primary);margin:0 0 18px;font-family:var(--serif);font-weight:700}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:rgba(42,35,80,.18)}
.rel-card .thumb{aspect-ratio:16/9;background:var(--line);overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-card h3{font-size:16px;line-height:1.5;margin:0;color:var(--t1);font-weight:600}
.rel-card p{font-size:13.5px;line-height:1.7;color:var(--t2);margin:0}
.rel-card .meta{margin-top:auto;font-size:12.5px;color:var(--t3)}

/* ---------- FAQ ---------- */
.faq{max-width:840px;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;background:none;border:none;text-align:left;
  font-size:17px;font-weight:600;color:var(--t1);
}
.faq-q:hover{background:rgba(42,35,80,.025)}
.faq-q .ico{
  flex:0 0 22px;height:22px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--primary);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{margin:0;padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--t2)}
.faq-item.is-open{background:rgba(42,35,80,.03);border-color:rgba(42,35,80,.14)}
.faq-item.is-open .faq-a{max-height:320px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(244,241,234,.72);margin-top:auto}
.footer-grid{
  max-width:1200px;margin:0 auto;padding:56px 40px 32px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
}
.footer-brand .brand-name{font-size:17px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(244,241,234,.6);margin:14px 0 0}
.footer-contact{margin-top:14px;font-size:13.5px;line-height:2;color:rgba(244,241,234,.6)}
.site-footer h4{font-size:14px;color:#fff;margin:0 0 14px;font-weight:600;letter-spacing:.04em}
.footer-links li a{display:inline-block;padding:5px 0;font-size:13.5px;color:rgba(244,241,234,.66)}
.footer-links li a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(244,241,234,.12);padding:18px 40px;
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(244,241,234,.5);max-width:1200px;margin:0 auto;
}
.footer-bottom a{color:rgba(244,241,234,.62)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container-page{padding:0 32px}
  .info-bar{padding:0 32px}
  .footer-grid{padding-left:32px;padding-right:32px}
  .footer-bottom{padding-left:32px;padding-right:32px}
}
@media (max-width:1023px){
  .app-sidebar{display:none}
  .topbar{display:flex}
  .page-main{margin-left:0;padding-top:56px}
  .info-bar{display:none}
  .container-page{padding:0 24px}
  .layout-grid{grid-template-columns:1fr;gap:32px}
  .side-col{position:static}
  .article-h1{font-size:32px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:24px;margin-top:40px}
  .article-body h3{font-size:18px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 24px 24px}
  .footer-bottom{padding:16px 24px}
}
@media (max-width:639px){
  .container-page{padding:0 18px}
  .article-h1{font-size:27px}
  .article-body{font-size:15.5px;line-height:1.88}
  .article-body h2{font-size:22px}
  .rel-grid{grid-template-columns:1fr}
  .cta-strip{padding:18px;flex-direction:column;align-items:flex-start}
  .btn{min-height:44px;padding:0 18px;width:100%}
  .cta-strip .btn{width:100%}
  .faq-q{font-size:15.5px;padding:14px 16px}
  .footer-grid{grid-template-columns:1fr;padding:36px 18px 20px}
  .footer-bottom{padding:14px 18px;flex-direction:column;align-items:flex-start}
  .crumbs{padding-top:18px}
}

/* roulang page: category3 */
:root{
  --ink:#17132A;
  --primary:#2A2350;
  --accent:#E3A83A;
  --accent-dark:#CF9526;
  --secondary:#5B7C99;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --line:#E4DFD6;
  --t1:#1F1B2E;
  --t2:#5A5570;
  --t3:#8B8698;
  --inv:#F4F1EA;
  --success:#2F7D63;
  --warn:#B4762A;
  --error:#B4453C;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:14px;
  --r-xl:20px;
  --sh-1:0 1px 2px rgba(23,19,42,.05);
  --sh-2:0 12px 28px rgba(23,19,42,.10);
  --sh-dark:0 18px 40px rgba(0,0,0,.35);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --side-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--t1);font-family:var(--font-sans);font-size:16px;line-height:1.85;font-weight:400}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,dl,dd,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(227,168,58,.55);outline-offset:2px;border-radius:4px}
.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}

/* ============ 左侧 App Shell ============ */
.app-side{position:fixed;top:0;left:0;bottom:0;width:var(--side-w);background:var(--ink);display:flex;flex-direction:column;padding:24px 16px;z-index:60}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 22px}
.brand-mark{flex:none;width:34px;height:34px;border-radius:var(--r-md);background:linear-gradient(140deg,#332B60,#211C3E);border:1px solid rgba(227,168,58,.35);display:flex;align-items:center;justify-content:center;color:var(--accent)}
.brand-text{position:relative;font-size:17px;font-weight:700;color:var(--inv);letter-spacing:-.01em}
.brand-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);margin-left:6px;vertical-align:middle}
.side-nav{display:flex;flex-direction:column;gap:2px;flex:1}
.side-nav a{position:relative;display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 12px;border-radius:8px;color:rgba(244,241,234,.72);font-size:14.5px;line-height:1.4;transition:background .2s ease,color .2s ease}
.side-nav a svg{flex:none;opacity:.9}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side-nav a.is-active{background:rgba(255,255,255,.08);color:#fff;font-weight:600}
.side-nav a.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--accent)}
.side-cta{width:100%;margin-top:20px}
.side-foot{margin-top:20px;padding-top:16px;border-top:1px solid rgba(244,241,234,.12);font-size:13px;line-height:1.7;color:rgba(244,241,234,.55)}
.side-foot p+p{margin-top:4px}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{display:none}
.drawer{position:fixed;top:0;right:0;bottom:0;width:286px;max-width:86vw;background:var(--ink);z-index:80;display:flex;flex-direction:column;padding:20px 16px;transform:translateX(102%);transition:transform .26s ease;box-shadow:var(--sh-dark)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;color:var(--inv);font-weight:700;font-size:17px;padding:4px 8px 18px;border-bottom:1px solid rgba(244,241,234,.12)}
.drawer .side-nav{margin-top:14px}
.drawer-cta{width:100%;margin-top:20px}
.drawer-mask{position:fixed;inset:0;background:rgba(23,19,42,.55);opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ============ 主内容区 ============ */
.app-main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.topbar{height:36px;background:rgba(42,35,80,.045);border-bottom:1px solid var(--line);font-size:13px;color:var(--t2)}
.topbar-in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar strong{color:var(--primary);font-weight:600}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:var(--r-md);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;transition:background .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:var(--accent-dark);box-shadow:0 8px 20px rgba(227,168,58,.28);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(23,19,42,.25)}
.btn-ghost{background:transparent;border:1.5px solid var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(42,35,80,.06)}
.btn-ghost:active{background:rgba(42,35,80,.12)}
.btn-ghost--inv{border-color:rgba(244,241,234,.5);color:var(--inv)}
.btn-ghost--inv:hover{background:rgba(255,255,255,.08)}

/* ============ 分类页头带 ============ */
.page-hero{padding-top:44px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3)}
.crumbs a{color:var(--t2);transition:color .2s ease}
.crumbs a:hover{color:var(--accent-dark)}
.page-hero h1{font-family:var(--font-serif);font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-top:16px;max-width:920px}
.hero-lead{margin-top:18px;max-width:780px;font-size:16.5px;line-height:1.9;color:var(--t2)}
.hero-acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-banner{position:relative;margin-top:36px;height:264px;border-radius:var(--r-xl);overflow:hidden;background:var(--line);box-shadow:var(--sh-1)}
.hero-banner img{width:100%;height:100%;object-fit:cover}
.hero-banner::after{content:"";position:absolute;inset:0;background:rgba(23,19,42,.2)}
.hero-badge{position:absolute;left:24px;bottom:22px;z-index:2;display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;background:var(--accent);color:var(--ink);font-size:12.5px;font-weight:600}

/* ============ 通用板块 ============ */
.section{padding-top:88px}
.sec-tag{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--accent-dark);background:rgba(227,168,58,.12);border:1px solid rgba(227,168,58,.35);border-radius:999px;padding:4px 14px}
.section h2{font-family:var(--font-serif);font-size:30px;line-height:1.3;font-weight:700;margin-top:16px;max-width:840px}
.sec-sub{margin-top:14px;max-width:780px;font-size:15.5px;color:var(--t2)}

/* ============ 头带后 CTA 条 ============ */
.cta-strip{margin-top:48px}
.cta-strip-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--r-lg);padding:24px 28px;box-shadow:var(--sh-1)}
.cta-strip-in h2{font-family:var(--font-serif);font-size:21px;line-height:1.4;font-weight:700;margin:0}
.cta-strip-in p{margin-top:6px;font-size:14.5px;color:var(--t2);max-width:660px}

/* ============ 流程步骤 ============ */
.steps{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-top:44px}
.step{position:relative;padding-top:66px}
.step-num{position:absolute;top:0;left:0;width:52px;height:52px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-size:21px;font-weight:700;color:var(--accent);z-index:2}
.step::after{content:"";position:absolute;top:26px;left:56px;right:-24px;height:1px;background:var(--secondary);opacity:.45}
.step:last-child::after{display:none}
.step h3{font-size:17.5px;line-height:1.45;font-weight:600;color:var(--primary)}
.step p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--t2)}

/* ============ 图文要点区块 ============ */
.feature{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;margin-top:44px}
.feature.is-rev{grid-template-columns:5fr 7fr}
.feature.is-rev .feature-media{order:-1}
.feature-media{position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--line);aspect-ratio:16/11;box-shadow:var(--sh-1)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body h3{font-family:var(--font-serif);font-size:23px;line-height:1.4;font-weight:700}
.feature-body>p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--t2)}
.check-list{margin-top:20px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:28px;font-size:15px;line-height:1.75}
.check-list li::before{content:"";position:absolute;left:2px;top:9px;width:11px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.check-list li strong{color:var(--primary);font-weight:600}

/* ============ 内嵌 CTA ============ */
.inline-cta{margin-top:56px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:rgba(42,35,80,.04);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 32px}
.inline-cta strong{display:block;font-size:17px;font-weight:600;color:var(--t1)}
.inline-cta p{margin-top:6px;font-size:14.5px;color:var(--t2);max-width:660px}

/* ============ 区域速览卡 ============ */
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.region-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.region-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(42,35,80,.18)}
.region-card h3{font-size:17.5px;font-weight:600;color:var(--primary);line-height:1.45}
.chip{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(91,124,153,.14);color:#456079;border:1px solid rgba(91,124,153,.28)}
.chip--gold{background:rgba(227,168,58,.14);color:var(--accent-dark);border-color:rgba(227,168,58,.4)}
.region-card .chip{margin-top:12px;align-self:flex-start}
.region-card>p{margin-top:12px;font-size:14.5px;color:var(--t2);line-height:1.8}
.meta-rows{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:8px}
.meta-rows>div{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;line-height:1.6}
.meta-rows dt{color:var(--t3)}
.meta-rows dd{font-weight:600;text-align:right}

/* ============ 季节窗口 ============ */
.season-axis{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:44px}
.season-col{padding-top:22px;border-top:2px solid var(--line);transition:border-color .2s ease}
.season-col:hover{border-top-color:var(--accent)}
.season-col span{font-size:12.5px;letter-spacing:.06em;color:var(--t3)}
.season-col strong{display:block;margin-top:6px;font-family:var(--font-serif);font-size:21px;color:var(--primary)}
.season-col p{margin-top:10px;font-size:14.5px;color:var(--t2)}

/* ============ 页尾 CTA ============ */
.final-cta{position:relative;overflow:hidden;margin-top:88px;background:var(--ink);border-radius:var(--r-xl);padding:48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-dark)}
.final-cta::before{content:"";position:absolute;top:0;left:48px;width:120px;height:2px;background:var(--accent)}
.final-cta h2{font-family:var(--font-serif);font-size:26px;line-height:1.35;font-weight:700;color:var(--inv);max-width:560px}
.final-cta p{margin-top:12px;font-size:14.5px;color:rgba(244,241,234,.68);max-width:600px}

/* ============ 页脚 ============ */
.site-footer{margin-top:88px;background:var(--ink);color:rgba(244,241,234,.72)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 0}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-text{font-size:17px}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(244,241,234,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.8;color:rgba(244,241,234,.6);max-width:320px}
.footer-contact{margin-top:16px;font-size:13.5px;line-height:1.9;color:rgba(244,241,234,.6)}
.footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid rgba(244,241,234,.12);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(244,241,234,.55)}
.back-top{display:inline-flex;align-items:center;gap:6px;color:rgba(244,241,234,.72);transition:color .2s ease}
.back-top:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .region-grid{grid-template-columns:repeat(3,1fr)}
  .season-axis{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media (max-width:1023px){
  .app-side{display:none}
  .app-main{margin-left:0;padding-top:56px}
  .mobile-bar{display:flex;position:fixed;top:0;left:0;right:0;height:56px;background:var(--ink);align-items:center;justify-content:space-between;padding:0 16px;z-index:65;box-shadow:0 6px 18px rgba(23,19,42,.18)}
  .brand--mobile{padding:0}
  .brand--mobile .brand-text{font-size:16px}
  .burger{width:44px;height:44px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:transparent;border:0;border-radius:var(--r-md)}
  .burger span{display:block;width:20px;height:2px;background:var(--inv);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  .topbar{display:none}
  .wrap{padding:0 20px}
  .page-hero{padding-top:32px}
  .page-hero h1{font-size:32px}
  .hero-banner{height:200px}
  .section{padding-top:64px}
  .section h2{font-size:24px}
  .feature,.feature.is-rev{grid-template-columns:1fr;gap:26px}
  .feature.is-rev .feature-media{order:0}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 28px 76px}
  .step::after{left:25px;top:56px;bottom:0;right:auto;width:1px;height:auto}
  .step:last-child{padding-bottom:0}
  .step:last-child::after{display:none}
  .region-grid{grid-template-columns:repeat(2,1fr)}
  .final-cta{padding:36px 28px}
  .final-cta::before{left:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-top:56px}
  .site-footer{margin-top:64px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .page-hero h1{font-size:27px;line-height:1.32}
  .hero-lead{font-size:15.5px}
  .hero-banner{height:160px}
  .hero-acts{gap:12px}
  .hero-acts .btn{width:100%}
  .section{padding-top:48px}
  .section h2{font-size:22px}
  .cta-strip-in{padding:20px}
  .cta-strip-in .btn{width:100%}
  .inline-cta{padding:22px 20px}
  .inline-cta .btn{width:100%}
  .region-grid{grid-template-columns:1fr}
  .season-axis{grid-template-columns:1fr;gap:20px}
  .final-cta{padding:28px 20px}
  .final-cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .step{padding-left:68px}
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root{
  --primary:#2A2350;
  --primary-06:rgba(42,35,80,.06);
  --primary-04:rgba(42,35,80,.04);
  --ink:#17132A;
  --accent:#E3A83A;
  --accent-deep:#CF9526;
  --secondary:#5B7C99;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --line:#E4DFD6;
  --t1:#1F1B2E;
  --t2:#5A5570;
  --t3:#8B8698;
  --inv:#F4F1EA;
  --success:#2F7D63;
  --error:#B4453C;
  --r-sm:6px;--r-md:10px;--r-lg:14px;--r-xl:20px;--r-pill:999px;
  --sh1:0 1px 2px rgba(23,19,42,.05);
  --sh2:0 12px 28px rgba(23,19,42,.10);
  --sh-dark:0 18px 40px rgba(0,0,0,.35);
  --shell:240px;
  --ease:200ms cubic-bezier(.2,.6,.3,1);
}

/* ========== 基础 reset ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg);color:var(--t1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--t1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
i{font-style:normal;}
:focus-visible{outline:2px solid rgba(227,168,58,.55);outline-offset:2px;}
body.no-scroll{overflow:hidden;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ========== 容器与骨架 ========== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px;}
.content-shell{margin-left:var(--shell);min-height:100vh;display:flex;flex-direction:column;}
main{flex:1;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-head h2{font-size:30px;line-height:1.3;letter-spacing:-.005em;}
.section-head .sub{margin-top:10px;font-size:14.5px;color:var(--t2);max-width:720px;line-height:1.8;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;color:var(--secondary);text-transform:uppercase;font-weight:600;margin-bottom:12px;}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--accent);}

/* ========== 顶栏信息条 ========== */
.info-bar{background:var(--primary);color:rgba(244,241,234,.9);font-size:13px;height:36px;display:flex;align-items:center;}
.info-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.info-bar a{color:var(--accent);font-weight:600;}
.info-bar a:hover{text-decoration:underline;text-underline-offset:4px;}

/* ========== 左侧 App Shell ========== */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--shell);
  background:var(--ink);color:var(--inv);
  display:flex;flex-direction:column;
  padding:26px 16px 20px;z-index:50;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px 20px;color:#fff;}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:rgba(227,168,58,.14);color:var(--accent);flex:none;}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.01em;display:inline-flex;align-items:center;gap:5px;}
.brand-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px;}
.side-nav a{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:8px;
  font-size:14.5px;color:rgba(244,241,234,.72);
  transition:background var(--ease),color var(--ease);
}
.side-nav a svg{flex:none;opacity:.85;}
.side-nav a:hover{background:rgba(255,255,255,.06);color:#fff;}
.side-nav a.is-active{background:rgba(255,255,255,.07);color:#fff;font-weight:600;}
.side-nav a.is-active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--accent);}
.side-cta{margin-top:20px;width:100%;}
.side-foot{margin-top:auto;padding:20px 8px 0;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;line-height:1.95;color:rgba(244,241,234,.55);}
.side-foot p{margin:0;}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:0;cursor:pointer;
  transition:background var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:var(--accent-deep);box-shadow:0 8px 20px rgba(227,168,58,.28);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(23,19,42,.2);}
.btn-ghost{background:transparent;border:1.5px solid var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-06);}
.btn-ghost:active{background:rgba(42,35,80,.12);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--primary);border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease);}
.btn-link svg{transition:transform var(--ease);}
.btn-link:hover{border-bottom-color:var(--accent);}
.btn-link:hover svg{transform:translateX(3px);}

/* ========== 徽章 / 标签 ========== */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;}
.badge-accent{border:1px solid rgba(227,168,58,.65);color:#8A5F10;background:rgba(227,168,58,.12);}
.badge-primary{background:var(--primary-06);color:var(--primary);}
.badge-invert{border:1px solid rgba(227,168,58,.6);color:var(--accent);background:rgba(227,168,58,.14);}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:#F2EFE9;color:var(--t2);font-size:12px;transition:background var(--ease),color var(--ease);}
.tag:hover{background:var(--primary);color:#fff;}

/* ========== 分类页头带 ========== */
.cat-hero{padding:44px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);}
.breadcrumb a{color:var(--t3);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--t3);}
.breadcrumb .current{color:var(--t2);}
.cat-hero h1{margin:18px 0 0;font-family:"Noto Serif SC","Songti SC",serif;font-size:44px;line-height:1.25;letter-spacing:-.01em;}
.cat-hero .lede{margin-top:18px;max-width:820px;font-size:16.5px;line-height:1.9;color:var(--t2);}
.cat-hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.cat-banner{
  margin-top:32px;position:relative;border-radius:var(--r-xl);overflow:hidden;height:270px;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.cat-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,19,42,.78) 0%,rgba(23,19,42,.36) 60%,rgba(23,19,42,.18) 100%);}
.cat-banner-text{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;gap:12px;padding:32px 36px;color:#fff;}
.cat-banner-text strong{font-size:22px;font-weight:700;line-height:1.4;font-family:"Noto Serif SC","Songti SC",serif;}
.cat-banner-text p{font-size:13.5px;color:rgba(244,241,234,.78);line-height:1.7;}

/* ========== 数据条 ========== */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{position:relative;padding-top:22px;border-top:2px solid var(--line);}
.stat::before{content:"";position:absolute;top:-2px;left:0;width:40px;height:2px;background:var(--accent);}
.stat b{display:block;font-family:"Noto Serif SC","Songti SC",serif;font-size:38px;line-height:1.1;color:var(--primary);font-weight:700;}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--t3);line-height:1.7;}

/* ========== 筛选 + 卡片网格 ========== */
.filter-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start;}
.filter-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh1);position:sticky;top:24px;
}
.filter-panel > h2{font-size:16px;margin-bottom:6px;}
.filter-panel > .filter-note{font-size:12.5px;color:var(--t3);line-height:1.7;}
.filter-group{padding:16px 0;border-bottom:1px solid var(--line);}
.filter-group:last-child{border-bottom:0;padding-bottom:0;}
.filter-group h3{font-size:13px;letter-spacing:.06em;color:var(--t3);font-weight:600;margin-bottom:12px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--r-pill);border:1px solid var(--line);background:#FDFCFA;font-size:13px;color:var(--t2);transition:border-color var(--ease),background var(--ease),color var(--ease);}
.chip.is-on{border-color:rgba(227,168,58,.65);background:rgba(227,168,58,.12);color:#8A5F10;font-weight:600;}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:rgba(42,35,80,.18);}
.card-media{aspect-ratio:16/9;background:var(--line);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ========== 要点区 ========== */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 40px;}
.point{display:flex;gap:18px;padding-bottom:24px;border-bottom:1px solid var(--line);}
.point-num{flex:none;font-family:"Noto Serif SC","Songti SC",serif;font-size:34px;line-height:1;font-weight:700;color:var(--accent);}
.point h3{font-size:18px;margin-bottom:8px;line-height:1.5;}
.point p{font-size:14.5px;line-height:1.85;color:var(--t2);}

/* ========== 流程列表 ========== */
.step-list{border-top:1px solid var(--line);}
.step-item{display:grid;grid-template-columns:64px minmax(0,1fr);gap:22px;align-items:start;padding:24px 16px;border-bottom:1px solid var(--line);transition:background var(--ease);}
.step-item:hover{background:var(--primary-04);}
.step-num{display:inline-flex;align-items:center;justify-content:center;height:30px;border-radius:var(--r-pill);border:1px solid rgba(42,35,80,.22);color:var(--primary);font-size:12.5px;font-weight:700;letter-spacing:.06em;}
.step-item h3{font-size:18px;margin-bottom:6px;line-height:1.5;}
.step-item p{font-size:14.5px;line-height:1.85;color:var(--t2);}

/* ========== FAQ ========== */
.faq-wrap{max-width:840px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item.is-open{border-color:rgba(42,35,80,.2);box-shadow:var(--sh1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--t1);font-family:inherit;
}
.faq-q:hover{color:var(--primary);}
.faq-sign{flex:none;width:22px;height:22px;display:grid;place-items:center;color:var(--accent);font-size:20px;line-height:1;transition:transform var(--ease);}
.faq-item.is-open .faq-sign{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--t2);background:rgba(42,35,80,.03);}

/* ========== CTA / 表单 ========== */
.cta-panel{
  background:var(--ink);color:var(--inv);border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:44px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;top:-80px;right:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,168,58,.16) 0%,rgba(227,168,58,0) 68%);
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{color:#fff;font-size:30px;line-height:1.3;font-family:"Noto Serif SC","Songti SC",serif;}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(244,241,234,.74);max-width:520px;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(244,241,234,.86);line-height:1.7;}
.cta-points svg{flex:none;margin-top:5px;color:var(--accent);}
.form-card{position:relative;z-index:2;background:var(--surface);color:var(--t1);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-dark);}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .form-sub{font-size:13px;color:var(--t3);margin-bottom:20px;line-height:1.7;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--t2);margin-bottom:8px;}
.field .req{color:var(--error);margin-left:2px;}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#FDFCFA;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(227,168,58,.28);}
.field input::placeholder{color:var(--t3);}
.form-card .btn{width:100%;}
.form-hint{margin-top:12px;font-size:12.5px;color:var(--t3);line-height:1.7;}
.form-msg{margin-top:14px;padding:12px 14px;border-radius:var(--r-md);font-size:13.5px;display:none;}
.form-msg.is-ok{display:block;background:rgba(47,125,99,.1);color:var(--success);}
.form-msg.is-err{display:block;background:rgba(180,69,60,.1);color:var(--error);}

/* ========== 页脚 ========== */
.site-footer{background:var(--ink);color:rgba(244,241,234,.72);padding:64px 0 0;font-size:14px;}
.site-footer .brand{padding:0 0 16px;color:#fff;}
.site-footer .brand-text{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-about{font-size:13.5px;line-height:1.9;color:rgba(244,241,234,.62);max-width:340px;margin-bottom:18px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(244,241,234,.6);}
.site-footer h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(244,241,234,.7);transition:color var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,241,234,.55);
}
.footer-bottom a{color:rgba(244,241,234,.7);transition:color var(--ease);}
.footer-bottom a:hover{color:var(--accent);}

/* ========== 移动端导航 ========== */
.mobile-topbar{display:none;}
.drawer,.drawer-mask{display:none;}

@media (max-width:1023px){
  .side-shell{display:none;}
  .content-shell{margin-left:0;padding-top:56px;}
  .info-bar{display:none;}
  .mobile-topbar{
    display:flex;position:fixed;top:0;left:0;right:0;height:56px;z-index:60;
    align-items:center;justify-content:space-between;padding:0 16px;
    background:var(--ink);color:#fff;box-shadow:0 2px 12px rgba(23,19,42,.18);
  }
  .mobile-topbar .brand{padding:0;}
  .burger{width:44px;height:44px;display:grid;place-items:center;background:transparent;border:0;color:#fff;cursor:pointer;border-radius:var(--r-md);}
  .burger:hover{background:rgba(255,255,255,.1);}
  .drawer-mask{display:block;position:fixed;inset:0;background:rgba(23,19,42,.55);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:70;border:0;padding:0;}
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    display:flex;flex-direction:column;position:fixed;top:0;right:0;bottom:0;
    width:280px;max-width:84vw;background:var(--ink);color:var(--inv);
    padding:22px 18px;z-index:80;transform:translateX(100%);
    transition:transform .24s ease;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer .side-nav{margin-top:18px;}
  .drawer .side-cta{margin-top:auto;}
  .drawer .side-foot{border-top:1px solid rgba(255,255,255,.08);}
  .cat-hero{padding:28px 0 0;}
  .cat-hero h1{font-size:32px;}
  .cat-hero .lede{font-size:15.5px;}
  .cat-banner{height:190px;}
  .cat-banner-text{padding:24px;}
  .cat-banner-text strong{font-size:19px;}
}

/* ========== 响应式断点 ========== */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:24px;}
  .filter-layout{grid-template-columns:1fr;gap:24px;}
  .filter-panel{position:static;}
  .filter-group{padding:14px 0;}
  .chip-row{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px;}
  .chip-row::-webkit-scrollbar{display:none;}
  .chip{flex:none;}
  .point-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .cat-hero h1{font-size:28px;}
  .cat-banner{height:160px;border-radius:16px;}
  .cat-banner-text{padding:20px;}
  .cat-banner-text strong{font-size:17px;}
  .cat-banner-text p{font-size:12.5px;}
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
  .cat-hero-actions .btn{width:100%;}
  .card-grid{grid-template-columns:1fr;}
  .stat b{font-size:32px;}
  .step-item{grid-template-columns:1fr;gap:10px;padding:20px 12px;}
  .step-num{width:64px;}
  .cta-panel{padding:24px;border-radius:16px;}
  .cta-copy h2{font-size:22px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category4 */
:root{
    --primary:#2A2350;
    --ink:#17132A;
    --accent:#E3A83A;
    --accent-deep:#CF9526;
    --secondary:#5B7C99;
    --bg:#F7F5F1;
    --surface:#FFFFFF;
    --line:#E4DFD6;
    --text:#1F1B2E;
    --text-2:#5A5570;
    --text-3:#8B8698;
    --inverse:#F4F1EA;
    --success:#2F7D63;
    --error:#B4453C;
    --radius-s:6px;
    --radius-m:10px;
    --radius-l:14px;
    --radius-xl:20px;
    --shadow-1:0 1px 2px rgba(23,19,42,.05);
    --shadow-2:0 12px 28px rgba(23,19,42,.10);
    --shadow-3:0 18px 40px rgba(0,0,0,.35);
    --side-w:240px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;font-family:'Noto Serif SC',"Songti SC",serif;color:var(--primary);font-weight:700}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  :focus-visible{outline:2px solid rgba(227,168,58,.6);outline-offset:2px;border-radius:4px}

  /* ---------- 布局骨架 ---------- */
  .app-main,.site-footer{margin-left:0}
  @media (min-width:1024px){
    .app-main,.site-footer{margin-left:var(--side-w)}
  }
  .container{
    max-width:1140px;
    margin:0 auto;
    padding:0 40px;
  }
  @media (max-width:1023px){ .container{padding:0 28px} }
  @media (max-width:640px){ .container{padding:0 20px} }
  .section{padding:88px 0}
  @media (max-width:1023px){ .section{padding:64px 0} }
  @media (max-width:640px){ .section{padding:48px 0} }
  .section-alt{background:#FFFFFF}

  /* ---------- 侧栏 ---------- */
  .sidebar{
    display:none;
  }
  @media (min-width:1024px){
    .sidebar{
      display:flex;
      flex-direction:column;
      position:fixed;
      top:0;left:0;bottom:0;
      width:var(--side-w);
      background:var(--ink);
      padding:26px 18px 22px;
      z-index:50;
    }
  }
  .side-logo{
    display:flex;align-items:center;gap:10px;
    padding:6px 10px 20px;
    color:var(--inverse);
    font-weight:700;font-size:17px;letter-spacing:.01em;
  }
  .side-logo .mark{
    width:34px;height:34px;border-radius:9px;
    display:grid;place-items:center;flex:0 0 auto;
    background:rgba(227,168,58,.14);
    border:1px solid rgba(227,168,58,.45);
  }
  .side-logo .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block;margin-left:2px;transform:translateY(-6px)}
  .side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
  .side-nav a{
    display:flex;align-items:center;gap:10px;
    min-height:44px;padding:0 12px;
    border-radius:8px;
    color:rgba(244,241,234,.72);
    font-size:14.5px;
    position:relative;
    transition:background .2s ease,color .2s ease;
  }
  .side-nav a svg{flex:0 0 auto;opacity:.85}
  .side-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
  .side-nav a.is-active{
    background:rgba(255,255,255,.07);
    color:#fff;font-weight:600;
  }
  .side-nav a.is-active::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
    border-radius:2px;background:var(--accent);
  }
  .side-cta{margin:20px 4px 0;width:calc(100% - 8px)}
  .side-foot{
    margin-top:auto;padding:18px 12px 0;
    border-top:1px solid rgba(244,241,234,.12);
    color:rgba(244,241,234,.55);
    font-size:13px;line-height:1.75;
  }
  .side-foot b{display:block;color:rgba(244,241,234,.85);font-weight:600;font-size:13.5px;margin-bottom:6px}

  /* ---------- 移动端顶栏与抽屉 ---------- */
  .mobile-bar{
    position:sticky;top:0;z-index:60;
    height:56px;
    display:flex;align-items:center;justify-content:space-between;
    padding:0 18px;
    background:var(--ink);
    color:var(--inverse);
  }
  .mobile-bar .brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15.5px}
  .mobile-bar .brand .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block;transform:translateY(-5px)}
  .burger{
    width:44px;height:44px;display:grid;place-items:center;
    background:transparent;border:1px solid rgba(244,241,234,.22);border-radius:9px;cursor:pointer;
  }
  @media (min-width:1024px){ .mobile-bar{display:none} }
  .drawer-mask{
    position:fixed;inset:0;background:rgba(23,19,42,.55);
    opacity:0;visibility:hidden;transition:opacity .22s ease;z-index:70;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
    background:var(--ink);z-index:80;
    transform:translateX(105%);
    transition:transform .26s ease;
    display:flex;flex-direction:column;
    padding:22px 18px;
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;color:var(--inverse);font-weight:700;margin-bottom:18px}
  .drawer-close{width:40px;height:40px;border-radius:9px;background:transparent;border:1px solid rgba(244,241,234,.22);cursor:pointer;color:var(--inverse)}
  .drawer .side-nav{margin-top:0}
  .drawer-bottom{margin-top:auto;padding-top:18px}
  @media (min-width:1024px){ .drawer,.drawer-mask{display:none} }

  /* ---------- 顶部信息条 ---------- */
  .top-strip{display:none}
  @media (min-width:1024px){
    .top-strip{
      display:flex;align-items:center;justify-content:space-between;
      height:36px;padding:0 40px;
      background:#fff;border-bottom:1px solid var(--line);
      font-size:13px;color:var(--text-3);
    }
  }
  .top-strip span b{color:var(--text-2);font-weight:600}

  /* ---------- 按钮 ---------- */
  .btn-primary{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--radius-m);
    background:var(--accent);color:var(--ink);
    font-weight:600;font-size:15px;border:none;cursor:pointer;
    box-shadow:var(--shadow-1);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 8px 20px rgba(227,168,58,.28)}
  .btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(23,19,42,.18)}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border-radius:var(--radius-m);
    background:transparent;color:var(--primary);
    border:1.5px solid var(--primary);
    font-weight:600;font-size:15px;cursor:pointer;
    transition:background .2s ease,transform .2s ease;
  }
  .btn-ghost:hover{background:rgba(42,35,80,.06);transform:translateY(-1px)}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--primary);font-weight:600;font-size:14.5px;
    background:none;border:none;padding:8px 0;cursor:pointer;
    border-bottom:1px solid transparent;
    transition:color .2s ease,border-color .2s ease;
  }
  .btn-text svg{transition:transform .2s ease}
  .btn-text:hover{color:var(--primary);border-color:var(--primary)}
  .btn-text:hover svg{transform:translateX(3px)}
  @media (max-width:640px){
    .btn-primary,.btn-ghost{height:44px;padding:0 18px;font-size:14.5px}
  }

  /* ---------- 通用组件 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    height:24px;padding:0 10px;border-radius:999px;
    font-size:12px;font-weight:600;line-height:1;
  }
  .badge-accent{background:rgba(227,168,58,.14);color:#8A6414;border:1px solid rgba(227,168,58,.6)}
  .badge-primary{background:rgba(42,35,80,.08);color:var(--primary);border:1px solid rgba(42,35,80,.16)}
  .badge-soft{background:rgba(47,125,99,.1);color:var(--success);border:1px solid rgba(47,125,99,.24)}
  .tag{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
    background:#F1EEE8;color:var(--text-2);font-size:13px;
    transition:background .2s ease,color .2s ease;
  }
  .tag:hover{background:var(--primary);color:#fff}
  .card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-l);
    padding:24px;
    box-shadow:var(--shadow-1);
    transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  }
  .card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(42,35,80,.18)}
  .card h3{font-size:19px;line-height:1.4;margin-bottom:10px}
  .card .desc{
    color:var(--text-2);font-size:14.5px;line-height:1.75;
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .card-media{border-radius:var(--radius-l);overflow:hidden;background:#EFEBE4;aspect-ratio:16/9;margin-bottom:18px}
  .card-media img{width:100%;height:100%;object-fit:cover}
  .section-head{margin-bottom:36px;max-width:760px}
  .section-head .eyebrow{
    font-size:13px;letter-spacing:.14em;color:var(--secondary);
    text-transform:uppercase;font-weight:600;margin-bottom:10px;
  }
  .section-head h2{font-size:30px;line-height:1.3;margin-bottom:12px}
  .section-head p{color:var(--text-2);font-size:15.5px}
  .divider{height:1px;background:var(--line);border:none;margin:0}
  .list-check li{
    display:flex;gap:10px;align-items:flex-start;
    padding:11px 0;border-bottom:1px solid var(--line);
    font-size:15px;color:var(--text-2);
  }
  .list-check li:last-child{border-bottom:none}
  .list-check .tick{flex:0 0 auto;margin-top:7px;width:14px;height:14px;border-radius:50%;background:rgba(227,168,58,.18);position:relative}
  .list-check .tick::after{
    content:"";position:absolute;left:4px;top:4px;width:6px;height:6px;border-radius:50%;background:var(--accent);
  }
  .stat-num{font-family:'Noto Serif SC',"Songti SC",serif;font-size:38px;line-height:1.1;color:var(--accent);font-weight:700}
  .stat-label{font-size:13px;color:var(--text-3);margin-top:6px}

  /* ---------- 分类页头带 ---------- */
  .crumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding-top:34px}
  .crumb a:hover{color:var(--primary)}
  .crumb .sep{color:#C6C0B4}
  .crumb .current{color:var(--text-3)}
  .page-hero{padding:16px 0 0}
  .page-hero h1{font-size:44px;line-height:1.25;letter-spacing:-.01em;margin:18px 0 16px;max-width:900px}
  .page-hero .lead{font-size:16.5px;color:var(--text-2);max-width:820px;line-height:1.9}
  .page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:26px}
  .page-banner{
    position:relative;margin-top:34px;border-radius:var(--radius-xl);overflow:hidden;
    height:260px;background:#E7E2D9;
  }
  .page-banner img{width:100%;height:100%;object-fit:cover}
  .page-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(23,19,42,.55),rgba(23,19,42,.18));
  }
  .page-banner .cap{
    position:absolute;left:28px;bottom:22px;z-index:2;color:var(--inverse);
    font-size:14px;max-width:520px;line-height:1.7;
  }
  .page-banner .cap b{display:block;font-size:17px;font-family:'Noto Serif SC',"Songti SC",serif;margin-bottom:4px}
  @media (max-width:640px){
    .page-hero h1{font-size:30px}
    .page-banner{height:160px}
    .page-banner .cap{left:16px;bottom:14px;font-size:13px}
    .page-banner .cap b{font-size:15px}
  }

  /* ---------- 对比表 ---------- */
  .table-wrap{overflow-x:auto;border-radius:var(--radius-l)}
  .compare-table{
    width:100%;border-collapse:separate;border-spacing:0;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
    min-width:760px;
  }
  .compare-table th,.compare-table td{
    padding:14px 18px;border-bottom:1px solid var(--line);
    font-size:14.5px;text-align:left;vertical-align:middle;
  }
  .compare-table thead th{
    background:rgba(42,35,80,.04);
    color:var(--primary);font-size:15px;font-weight:700;
    font-family:'Noto Serif SC',"Songti SC",serif;
  }
  .compare-table thead th .sub{display:block;font-family:inherit;font-size:12.5px;font-weight:400;color:var(--text-3);margin-top:4px}
  .compare-table tbody th{
    font-weight:600;color:var(--text);background:#FCFBF9;font-size:14px;width:180px;
  }
  .compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none}
  .compare-table tbody tr:hover td{background:rgba(42,35,80,.03)}
  .compare-table .rc{background:rgba(42,35,80,.04)}
  .compare-table tbody tr:hover .rc{background:rgba(42,35,80,.06)}
  .compare-table thead th.rc{box-shadow:inset 0 3px 0 var(--accent)}
  .mark-yes{color:var(--accent-deep);font-weight:700}
  .mark-no{color:#B8B2A6}
  .compare-cards{display:none}
  @media (max-width:767px){
    .table-wrap{display:none}
    .compare-cards{display:grid;gap:16px}
    .compare-cards .card{padding:20px}
    .cmp-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
    .cmp-row:last-child{border-bottom:none}
    .cmp-row .k{color:var(--text-3)}
    .cmp-row .v{color:var(--text);text-align:right;font-weight:500}
  }

  /* ---------- 场景卡片 ---------- */
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  @media (max-width:1023px){ .grid-3{grid-template-columns:repeat(2,1fr)} }
  @media (max-width:640px){ .grid-3{grid-template-columns:1fr;gap:16px} }
  .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px}
  @media (max-width:767px){ .grid-2{grid-template-columns:1fr;gap:20px} }
  .grid-5-7{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:center}
  @media (max-width:767px){ .grid-5-7{grid-template-columns:1fr;gap:20px} }

  /* ---------- 要点区块 ---------- */
  .panel{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
    padding:28px;box-shadow:var(--shadow-1);
  }
  .panel.accent{border-color:rgba(227,168,58,.55);box-shadow:inset 4px 0 0 var(--accent),var(--shadow-1)}
  .panel h3{font-size:20px;margin-bottom:12px}
  .panel p{color:var(--text-2);font-size:15px;margin-bottom:12px}
  .step-line{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
  @media (max-width:1023px){ .step-line{grid-template-columns:repeat(2,1fr)} }
  @media (max-width:560px){ .step-line{grid-template-columns:1fr} }
  .step-no{font-family:'Noto Serif SC',"Songti SC",serif;font-size:26px;color:var(--accent);line-height:1}
  .step-line h3{font-size:17px;margin:10px 0 8px}
  .step-line p{font-size:14px;color:var(--text-2)}

  /* ---------- FAQ ---------- */
  .faq{max-width:840px;margin:0 auto;display:grid;gap:12px}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
  .faq-item:hover{border-color:rgba(42,35,80,.18)}
  .faq-item.is-open{border-color:rgba(227,168,58,.55);box-shadow:var(--shadow-1)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:none;border:none;cursor:pointer;text-align:left;
    padding:18px 20px;font-size:17px;font-weight:600;color:var(--text);
  }
  .faq-icon{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    display:grid;place-items:center;background:rgba(42,35,80,.06);
    color:var(--primary);font-size:16px;line-height:1;transition:background .2s ease,color .2s ease;
  }
  .faq-item.is-open .faq-icon{background:var(--accent);color:var(--ink)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
  .faq-a .inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);background:rgba(42,35,80,.03)}

  /* ---------- CTA 带 ---------- */
  .cta-band{
    background:var(--ink);border-radius:var(--radius-xl);
    padding:44px 40px;color:var(--inverse);
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
    position:relative;overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,transparent,rgba(227,168,58,.75),transparent);
  }
  .cta-band h2{color:#fff;font-size:26px;margin-bottom:10px}
  .cta-band p{color:rgba(244,241,234,.72);font-size:15px;max-width:560px}
  .cta-band .btn-ghost{border-color:rgba(244,241,234,.5);color:var(--inverse)}
  .cta-band .btn-ghost:hover{background:rgba(255,255,255,.08)}
  @media (max-width:640px){
    .cta-band{padding:28px 22px;border-radius:var(--radius-l)}
    .cta-band h2{font-size:21px}
  }

  /* ---------- 表单 ---------- */
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
  @media (max-width:900px){ .form-grid{grid-template-columns:1fr;gap:24px} }
  .field{margin-bottom:18px}
  .field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;font-weight:500}
  .field .req{color:var(--error);margin-left:2px}
  .field input,.field select{
    width:100%;height:46px;padding:0 14px;
    border:1px solid var(--line);border-radius:var(--radius-m);
    background:#fff;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field input::placeholder{color:#A9A3B2}
  .field input:focus,.field select:focus{
    outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(227,168,58,.28);
  }
  .form-note{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.7}
  .form-success{
    display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-m);
    background:rgba(47,125,99,.1);border:1px solid rgba(47,125,99,.28);
    color:var(--success);font-size:14px;
  }
  .form-success.is-visible{display:block}
  @media (max-width:640px){ .form-card .btn-primary{width:100%} }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:rgba(244,241,234,.72);padding:56px 0 22px;font-size:14px}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  @media (max-width:1023px){ .footer-grid{grid-template-columns:1fr 1fr;gap:26px} }
  @media (max-width:560px){ .footer-grid{grid-template-columns:1fr} }
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
  .footer-brand .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block;transform:translateY(-5px)}
  .site-footer h4{color:#fff;font-size:14.5px;margin-bottom:14px;font-family:inherit;font-weight:600}
  .site-footer li{margin-bottom:10px}
  .site-footer a{transition:color .2s ease}
  .site-footer a:hover{color:var(--accent)}
  .footer-bottom{
    margin-top:40px;padding-top:18px;border-top:1px solid rgba(244,241,234,.12);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    font-size:13px;color:rgba(244,241,234,.5);
  }
  .to-top{color:rgba(244,241,234,.72)}
  .to-top:hover{color:var(--accent)}