/* roulang page: index */
:root{
  --ink:#0C1A16; --ink-2:#12241E;
  --accent:#C8F16E; --accent-d:#B4E052; --accent-2:#FF7A45;
  --paper:#F7F7F4; --paper-2:#EDEFE9;
  --line:rgba(12,26,22,.12);
  --text:#10201B; --muted:#5A6B64; --on-dark:#EAF2EC;
  --r-card:18px; --r-btn:12px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,26,22,.06);
  --sh-2:0 18px 40px -24px rgba(12,26,22,.28);
  --sec:88px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html body{
  margin:0;padding:0;background:var(--paper);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--accent);border-radius:8px;}
.container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
.section{padding-top:var(--sec);padding-bottom:var(--sec);}
.section--tight{padding-top:calc(var(--sec) * .6);padding-bottom:calc(var(--sec) * .6);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:90;padding:16px 20px 0;pointer-events:none;}
.dock{
  pointer-events:auto;max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:18px;
  padding:10px 14px;border-radius:var(--r-pill);
  background:rgba(247,247,244,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:max-width .28s cubic-bezier(.2,.7,.2,1),padding .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s;
}
.dock.is-compact{max-width:980px;padding:6px 14px;box-shadow:var(--sh-2);}
.dock-logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;letter-spacing:-.01em;white-space:nowrap;}
.dock-logo .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(200,241,110,.28);flex:none;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.dock-link{padding:9px 13px;border-radius:var(--r-pill);font-size:14.5px;font-weight:500;color:var(--muted);transition:color .2s,background .2s;position:relative;}
.dock-link:hover{color:var(--text);background:rgba(12,26,22,.05);}
.dock-link.active{color:var(--text);font-weight:600;}
.dock-link.active::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--accent);}
.dock-actions{display:flex;align-items:center;gap:8px;}
.dock-icon{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-pill);border:1px solid var(--line);background:transparent;cursor:pointer;transition:background .2s,border-color .2s;}
.dock-icon:hover{background:var(--paper-2);border-color:rgba(12,26,22,.2);}
.dock-icon:active{transform:translateY(1px);}
.dock-burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(247,247,244,.9);cursor:pointer;}
.mobile-bar{display:none;}
.drawer{position:fixed;inset:0;z-index:100;background:var(--paper);padding:24px;display:none;flex-direction:column;}
.drawer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{font-size:20px;line-height:1.6;padding:12px 4px;border-bottom:1px solid var(--line);font-weight:600;}
.drawer-cta{margin-top:auto;padding-top:24px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;}
.btn .arrow{transition:transform .24s cubic-bezier(.2,.7,.2,1);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-accent{background:var(--accent);color:var(--ink);}
.btn-accent:hover{background:var(--accent-d);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{background:var(--paper-2);border-color:rgba(12,26,22,.24);}
.btn-dark-ghost{background:transparent;border-color:rgba(234,242,236,.28);color:var(--on-dark);}
.btn-dark-ghost:hover{background:rgba(234,242,236,.1);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:var(--r-pill);}
.btn-lg{min-height:54px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{background:var(--ink);color:var(--on-dark);padding:150px 0 96px;position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 82% 12%,rgba(200,241,110,.14),transparent 68%);pointer-events:none;}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);border:1px solid rgba(200,241,110,.4);background:rgba(200,241,110,.1);color:var(--accent);font-size:12px;letter-spacing:.08em;font-weight:600;}
.hero-title{font-size:clamp(2.2rem,5.2vw,4.2rem);font-weight:800;letter-spacing:-.02em;line-height:1.06;margin:22px 0 0;}
.hero-title em{font-style:normal;color:var(--accent);}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(234,242,236,.78);max-width:30em;}
.hero-cta{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-trust{margin-top:28px;display:flex;flex-wrap:wrap;gap:22px;}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(234,242,236,.72);}
.trust-item svg{color:var(--accent);flex:none;}
.hero-visual{position:relative;}
.hero-img{border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(234,242,236,.16);aspect-ratio:16/11;background:var(--ink-2);}
.hero-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.hero-img:hover img{transform:scale(1.03);}
.float-card{position:absolute;left:-22px;bottom:-24px;background:var(--paper);color:var(--text);border-radius:var(--r-card);padding:18px 22px;border:1px solid var(--line);box-shadow:var(--sh-2);min-width:210px;}
.float-card .fc-num{font-size:30px;font-weight:800;line-height:1;letter-spacing:-.02em;}
.float-card .fc-label{margin-top:8px;font-size:12.5px;color:var(--muted);letter-spacing:.02em;}
.float-card .fc-bar{margin-top:12px;height:5px;border-radius:3px;background:var(--paper-2);overflow:hidden;}
.float-card .fc-bar i{display:block;height:100%;width:86%;background:var(--accent);border-radius:3px;}

/* ---------- 通用板块头 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-eyebrow{font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--muted);text-transform:uppercase;}
.sec-title{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.2;letter-spacing:-.01em;margin:12px 0 0;}
.sec-desc{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:44em;}
.link-more{font-size:14px;font-weight:600;color:var(--text);border-bottom:2px solid var(--accent);padding-bottom:2px;white-space:nowrap;transition:color .2s;}
.link-more:hover{color:var(--muted);}

/* ---------- 阶梯 ---------- */
.ladder{display:flex;flex-direction:column;gap:14px;}
.ladder-item{display:grid;grid-template-columns:88px 1fr auto;gap:24px;align-items:center;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s,border-color .24s;}
.ladder-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.ladder-item.top{border-left:4px solid var(--accent);background:linear-gradient(90deg,rgba(200,241,110,.14),rgba(200,241,110,0) 42%),#fff;}
.ladder-num{font-size:38px;font-weight:800;color:rgba(12,26,22,.16);line-height:1;letter-spacing:-.03em;}
.ladder-item.top .ladder-num{color:var(--accent-d);}
.ladder-name{font-size:18px;font-weight:700;margin:0;}
.ladder-list{margin:12px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;}
.ladder-list li{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:7px;}
.ladder-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
.ladder-gate{text-align:right;font-size:13px;color:var(--muted);}
.ladder-gate b{display:block;font-size:15px;color:var(--text);margin-top:4px;}

/* ---------- 对比栏 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start;}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);position:relative;transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s;}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.plan.featured{border:2px solid var(--accent);transform:translateY(-12px);box-shadow:var(--sh-2);}
.plan.featured:hover{transform:translateY(-14px);}
.plan-tag{position:absolute;top:-13px;right:20px;background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);letter-spacing:.04em;}
.plan-name{font-size:16px;font-weight:700;margin:0;}
.plan-price{display:flex;align-items:baseline;gap:6px;margin-top:14px;}
.plan-price .p-num{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1;}
.plan-price .p-unit{font-size:13px;color:var(--muted);}
.plan-note{margin-top:10px;font-size:13.5px;color:var(--muted);}
.plan-rows{margin-top:20px;}
.plan-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:14.5px;}
.plan-row span:first-child{color:var(--muted);}
.plan-row span:last-child{font-weight:600;}
.plan .btn{margin-top:22px;}

/* ---------- 限时通栏 ---------- */
.limit-band{background:var(--ink);color:var(--on-dark);border-radius:24px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.limit-copy .lb-eyebrow{font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:700;}
.limit-copy h3{margin:12px 0 0;font-size:clamp(1.35rem,2.4vw,1.9rem);font-weight:700;line-height:1.25;color:#fff;}
.limit-copy p{margin:10px 0 0;font-size:14.5px;color:rgba(234,242,236,.72);max-width:30em;}
.limit-right{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.countdown{display:flex;border:1px solid rgba(234,242,236,.24);border-radius:14px;overflow:hidden;}
.cd-cell{padding:12px 18px;text-align:center;border-right:1px solid rgba(234,242,236,.24);min-width:78px;}
.cd-cell:last-child{border-right:none;}
.cd-cell .cd-num{display:block;font-size:26px;font-weight:800;line-height:1;color:var(--accent);}
.cd-cell .cd-unit{display:block;margin-top:7px;font-size:11.5px;letter-spacing:.1em;color:rgba(234,242,236,.6);}
.cd-cell.warn .cd-num{color:var(--accent-2);}

/* ---------- 资讯卡 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s,border-color .24s;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--accent);}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.badge{display:inline-flex;align-items:center;padding:5px 11px;border-radius:var(--r-pill);background:rgba(200,241,110,.3);color:#3C5017;font-size:12px;font-weight:600;letter-spacing:.04em;align-self:flex-start;}
.news-title{margin:14px 0 0;font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:4px;}
.news-desc{margin:10px 0 0;font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);letter-spacing:.02em;}
.news-foot .more{font-weight:600;color:var(--text);}
.empty-state{border:1px dashed rgba(12,26,22,.28);border-radius:var(--r-card);padding:48px;text-align:center;background:rgba(255,255,255,.6);}
.empty-state svg{color:var(--muted);margin:0 auto 14px;}
.empty-state p{margin:0 0 18px;color:var(--muted);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;}
.faq-item[open]{border-color:rgba(200,241,110,.9);box-shadow:var(--sh-1);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px;padding:16px 20px;font-size:16px;font-weight:600;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transition:transform .28s cubic-bezier(.2,.7,.2,1),background .2s,color .2s;}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--accent);color:var(--ink);border-color:var(--accent);}
.faq-answer{padding:0 20px 20px 36px;border-left:2px solid var(--paper-2);margin:0 20px 20px 20px;padding-left:16px;font-size:15px;color:var(--muted);line-height:1.9;}

/* ---------- 咨询表单 ---------- */
.consult{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.consult-points{margin:26px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px;}
.consult-points li{display:flex;gap:12px;font-size:15px;color:var(--muted);}
.consult-points li b{color:var(--text);font-weight:600;}
.consult-points .ic{flex:none;width:30px;height:30px;border-radius:9px;background:rgba(200,241,110,.34);display:inline-flex;align-items:center;justify-content:center;color:#3C5017;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-1);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:600;color:var(--text);}
.field label .req{color:var(--accent-2);}
.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--paper);padding:0 14px;height:48px;transition:border-color .2s,box-shadow .2s,background .2s;}
.textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(200,241,110,.4);}
.hint{font-size:12.5px;color:var(--muted);}
.err{font-size:12.5px;color:var(--accent-2);display:none;}
.form-actions{grid-column:1 / -1;display:flex;justify-content:flex-end;margin-top:4px;}

/* ---------- 证据条 ---------- */
.proof{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.proof-cell{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:transform .24s,box-shadow .24s;}
.proof-cell:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.proof-num{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1;}
.proof-num small{font-size:15px;font-weight:700;margin-left:2px;}
.proof-label{margin-top:10px;font-size:13.5px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(234,242,236,.72);padding:72px 0 0;margin-top:var(--sec);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;color:#fff;}
.foot-brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);}
.foot-intro{margin-top:16px;font-size:14.5px;line-height:1.85;max-width:32em;}
.foot-title{font-size:13px;letter-spacing:.1em;font-weight:700;color:var(--accent);margin:0 0 18px;}
.foot-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.foot-links a{font-size:14.5px;transition:color .2s;}
.foot-links a:hover{color:#fff;}
.foot-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:14.5px;}
.foot-contact b{color:#fff;font-weight:600;}
.foot-bottom{margin-top:56px;border-top:1px solid rgba(234,242,236,.14);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(234,242,236,.55);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.in{opacity:1;transform:none;transition:opacity .3s cubic-bezier(.2,.7,.2,1),transform .3s cubic-bezier(.2,.7,.2,1);}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:64px;}
  .container{padding-left:24px;padding-right:24px;}
  .dock-nav{display:none;}
  .dock-actions{display:none;}
  .dock-burger{display:inline-flex;}
  .hero{padding:130px 0 80px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .float-card{left:16px;bottom:-20px;}
  .ladder-item{grid-template-columns:64px 1fr;gap:18px;}
  .ladder-gate{grid-column:2;text-align:left;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .plans{grid-template-columns:1fr;gap:16px;}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-2px);}
  .proof{grid-template-columns:repeat(2,1fr);}
  .consult{grid-template-columns:1fr;gap:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  html body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  :root{--sec:44px;}
  .dock-wrap{padding:12px 14px 0;}
  .hero{padding:120px 0 64px;}
  .hero-title{font-size:clamp(1.9rem,7.4vw,2.6rem);}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .news-grid{grid-template-columns:1fr;}
  .ladder-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .ladder-num{font-size:28px;}
  .ladder-gate{grid-column:1;}
  .limit-band{padding:28px 22px;border-radius:18px;}
  .cd-cell{padding:10px 12px;min-width:64px;}
  .cd-cell .cd-num{font-size:22px;}
  .form-grid{grid-template-columns:1fr;}
  .form-actions{justify-content:stretch;}
  .form-card{padding:22px;}
  .proof{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .float-card{position:static;margin-top:16px;box-shadow:var(--sh-1);}
}

/* roulang page: article */
:root{
  --ink:#0C1A16;
  --ink-2:#12241E;
  --accent:#C8F16E;
  --accent-2:#FF7A45;
  --paper:#F7F7F4;
  --paper-2:#EDEFE9;
  --line:rgba(12,26,22,.12);
  --text:#10201B;
  --muted:#5A6B64;
  --dark-text:#EAF2EC;
  --radius:18px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(12,26,22,.06);
  --shadow-2:0 18px 40px -24px rgba(12,26,22,.28);
  --space-section:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 4px rgba(200,241,110,.34)}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- Dock 导航 ---------- */
.site-head{position:fixed;top:0;left:0;right:0;z-index:70;padding:14px 16px 0;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(247,247,244,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-1);
  transition:max-width .28s cubic-bezier(.2,.7,.2,1),padding .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s cubic-bezier(.2,.7,.2,1);
}
.site-head.is-scrolled .dock{max-width:980px;padding:7px 14px;box-shadow:var(--shadow-2)}
.dock-logo{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.01em;font-size:16px;white-space:nowrap}
.logo-mark{width:22px;height:22px;border-radius:7px;background:var(--ink);position:relative;flex:none}
.logo-mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--accent)}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-link{
  display:inline-flex;align-items:center;height:38px;padding:0 12px;border-radius:999px;
  font-size:14px;color:#2A3B34;transition:background .2s,color .2s;
}
.dock-link:hover{background:var(--paper-2);color:var(--ink)}
.dock-link.active{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--accent)}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--muted);
  transition:color .2s,border-color .2s,background .2s;
}
.icon-btn:hover{color:var(--ink);border-color:rgba(12,26,22,.3);background:#fff}
.dock-burger{display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);align-items:center;justify-content:center}
.dock-burger span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.dock-burger span::before,.dock-burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px}
.dock-burger span::before{top:-5px}
.dock-burger span::after{top:5px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .22s,color .22s,transform .22s,border-color .22s,box-shadow .22s;
}
.btn-accent{background:var(--accent);color:var(--ink);box-shadow:var(--shadow-1)}
.btn-accent:hover{background:#B9E85C;transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(12,26,22,.28);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--paper-2);border-color:rgba(12,26,22,.45)}
.btn-dark{background:var(--ink);color:var(--dark-text)}
.btn-dark:hover{background:#132821}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:999px}
.btn .arw{display:inline-block;transition:transform .22s cubic-bezier(.2,.7,.2,1)}
.btn:hover .arw{transform:translateX(4px)}
@media (max-width:980px){
  .dock-nav,.dock-actions .btn{display:none}
  .dock-burger{display:inline-flex;margin-left:auto}
  .dock-logo{margin-right:auto}
}
.mobile-bar{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:70;
  display:none;align-items:center;gap:10px;padding:8px;
  border:1px solid var(--line);border-radius:999px;
  background:rgba(247,247,244,.9);backdrop-filter:blur(12px);
  box-shadow:var(--shadow-2);
}
.mobile-bar a.btn{flex:1;min-height:46px}
@media (max-width:980px){.mobile-bar{display:flex}}
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:none;flex-direction:column;padding:24px 20px 28px;
}
.drawer.open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);font-size:20px;line-height:1}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{font-size:20px;line-height:1.6;padding:12px 4px;border-bottom:1px solid var(--line)}
.drawer-links a.active{color:var(--ink);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ---------- 面包屑与文章头 ---------- */
.page-top{padding-top:118px}
.band-article{padding-bottom:var(--space-section)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);letter-spacing:.02em}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:4px}
.crumb .sep{opacity:.5}
.crumb-cur{max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-wrap{max-width:760px;margin:0 auto}
.article-head{margin-top:26px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(200,241,110,.34);color:#22331F;font-size:12px;letter-spacing:.08em;font-weight:600;
}
.article-head h1{
  margin-top:16px;
  font-size:clamp(1.75rem,3.6vw,2.7rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.18;color:var(--ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--muted)}
.meta-dot{width:3px;height:3px;border-radius:50%;background:rgba(12,26,22,.28)}
.article-cover{margin-top:28px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 正文阅读区 ---------- */
.article-body{margin-top:34px;font-size:17px;line-height:1.9;color:#1B2B25}
.article-body > * + *{margin-top:1.1em}
.article-body p{margin:0}
.article-body h2{
  font-size:clamp(1.28rem,2.4vw,1.62rem);font-weight:700;line-height:1.35;color:var(--ink);
  margin-top:2.2em;margin-bottom:.75em;padding-left:14px;border-left:4px solid var(--accent);
}
.article-body h3{font-size:1.12rem;font-weight:700;line-height:1.45;color:var(--ink);margin-top:1.6em;margin-bottom:.5em}
.article-body ul,.article-body ol{padding-left:1.4em}
.article-body li{margin:.45em 0}
.article-body ul > li{list-style:none;position:relative}
.article-body ul > li::before{
  content:"";position:absolute;left:-1.05em;top:.78em;width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.article-body ol{list-style:decimal}
.article-body ol > li::marker{color:#8A9A92;font-weight:700;font-variant-numeric:tabular-nums}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--paper-2);
  border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#31463E;
}
.article-body blockquote p + p{margin-top:.7em}
.article-body img{border-radius:14px;margin:1.6em auto;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body pre{
  background:var(--ink);color:#E6F0E8;border-radius:12px;padding:16px 18px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.5em 0;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article-body :not(pre) > code{
  background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.9em;
}
.article-body a{color:#1C4636;border-bottom:2px solid var(--accent);padding-bottom:1px}
.article-body a:hover{background:rgba(200,241,110,.28)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0}
.article-body th,.article-body td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--paper-2);font-size:13px;letter-spacing:.04em;color:#2A3B34}

/* ---------- 标签与操作 ---------- */
.article-foot{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:12px;letter-spacing:.06em;color:#3A4C45;
  transition:border-color .2s,color .2s;
}
.tag:hover{border-color:var(--accent);color:var(--ink)}
.share-row{display:flex;gap:10px;align-items:center}
.copy-btn{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:#2A3B34;
  transition:border-color .2s,background .2s,transform .2s;
}
.copy-btn:hover{border-color:var(--accent);background:rgba(200,241,110,.16);transform:translateY(-1px)}

/* ---------- 相关推荐 ---------- */
.related{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-title{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:700;letter-spacing:-.015em;color:var(--ink);line-height:1.2}
.sec-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:56ch}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s,border-color .24s;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--accent)}
.card .thumb{overflow:hidden;aspect-ratio:16/10;background:var(--paper-2)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.card:hover .thumb img{transform:scale(1.03)}
.card-body{padding:22px 22px 0;flex:1}
.card-body .badge{margin-bottom:14px}
.card h3{font-size:17px;font-weight:700;line-height:1.45;color:var(--ink)}
.card:hover h3{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:4px}
.card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted)}
.card-foot{
  margin-top:20px;padding:14px 22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}
.card-foot .go{color:var(--ink);font-weight:600}

/* ---------- 收尾 CTA ---------- */
.back-cta{padding-bottom:var(--space-section);text-align:center}
.back-cta .note{margin-top:14px;font-size:14px;color:var(--muted)}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed rgba(12,26,22,.28);border-radius:var(--radius);padding:48px 24px;text-align:center;background:#fff;
}
.empty-state .ico{
  width:46px;height:46px;border-radius:999px;background:var(--paper-2);margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:20px;
}
.empty-state p{font-size:15px;color:var(--muted)}
.empty-state .btn{margin-top:20px}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:var(--dark-text);padding:64px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;color:#fff}
.foot-brand .dot{width:20px;height:20px;border-radius:6px;background:var(--accent);flex:none}
.foot-intro{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(234,242,236,.72);max-width:42ch}
.foot-title{font-size:13px;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:16px}
.foot-links,.foot-contact{list-style:none;display:flex;flex-direction:column;gap:11px;font-size:14px}
.foot-links a{color:rgba(234,242,236,.8);transition:color .2s}
.foot-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.foot-contact li{color:rgba(234,242,236,.72)}
.foot-contact b{color:#fff;font-weight:600}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(234,242,236,.16);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(234,242,236,.6);
}

@media (max-width:1024px){
  :root{--space-section:64px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  :root{--space-section:44px}
  .page-top{padding-top:104px}
  .article-body{font-size:16px}
  .sec-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .share-row{width:100%}
  .copy-btn{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
.fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .3s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

/* roulang page: category1 */
:root{
  --ink:#0C1A16;
  --ink-2:#12241E;
  --accent:#C8F16E;
  --accent-2:#FF7A45;
  --paper:#F7F7F4;
  --paper-2:#EDEFE9;
  --line:rgba(12,26,22,.12);
  --text:#10201B;
  --muted:#5A6B64;
  --dark-text:#EAF2EC;
  --radius-card:18px;
  --radius-ctrl:12px;
  --shadow-1:0 1px 2px rgba(12,26,22,.06);
  --shadow-2:0 18px 40px -24px rgba(12,26,22,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16.5px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}
.section{padding-top:44px;padding-bottom:44px}
@media (min-width:768px){.section{padding-top:64px;padding-bottom:64px}}
@media (min-width:1024px){.section{padding-top:88px;padding-bottom:88px}}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;box-shadow:0 0 0 4px rgba(200,241,110,.35);border-radius:6px}

/* ============ Dock 导航 ============ */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:70;display:flex;justify-content:center;padding:0 16px;pointer-events:none}
.dock{
  pointer-events:auto;width:100%;max-width:1080px;display:flex;align-items:center;gap:16px;
  padding:10px 14px;border-radius:999px;background:rgba(247,247,244,.72);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:max-width .3s var(--ease),padding .3s var(--ease),box-shadow .3s var(--ease);
}
.dock.shrink{max-width:980px;padding:6px 14px;box-shadow:var(--shadow-2)}
.dock-logo{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.01em;font-size:15.5px;white-space:nowrap;padding:4px 6px}
.dock-logo .dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(200,241,110,.28);flex:none}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  border-radius:999px;font-size:14.5px;color:var(--muted);transition:color .2s var(--ease),background-color .2s var(--ease);
}
.dock-link:hover{color:var(--ink);background:var(--paper-2)}
.dock-link:active{background:rgba(12,26,22,.08)}
.dock-link.active{color:var(--ink);font-weight:600}
.dock-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--accent);border-radius:2px}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none}
.dock-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);color:var(--muted);transition:.2s var(--ease)}
.dock-icon:hover{color:var(--ink);border-color:rgba(12,26,22,.28);background:var(--paper-2)}
.btn-dock{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-weight:700;font-size:14.5px;transition:.22s var(--ease);
}
.btn-dock:hover{background:#bde95c;transform:translateY(-1px)}
.btn-dock:active{transform:translateY(0);background:#b0e04c}
.btn-dock .arw{transition:transform .22s var(--ease)}
.btn-dock:hover .arw{transform:translateX(4px)}

/* 移动端 */
.mobile-bar{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:75;display:none;
  align-items:center;gap:10px;padding:8px;border-radius:999px;
  background:rgba(247,247,244,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.mobile-bar .mb-menu{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;font-weight:600;font-size:15px;color:var(--ink);border:1px solid var(--line)}
.mobile-bar .mb-cta{flex:1;display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:999px;background:var(--accent);color:var(--ink);font-weight:700;font-size:15px}
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);padding:24px 22px 32px;
  display:flex;flex-direction:column;transform:translateY(100%);opacity:0;visibility:hidden;
  transition:transform .3s var(--ease),opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer.open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.drawer-brand .dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(200,241,110,.28)}
.drawer-close{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{font-size:20px;line-height:1.6;padding:12px 4px;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer nav a.active{font-weight:700;color:var(--ink)}
.drawer nav a.active::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:10px;vertical-align:middle}
.drawer .drawer-cta{margin-top:auto;display:flex;align-items:center;justify-content:center;min-height:52px;border-radius:14px;background:var(--accent);color:var(--ink);font-weight:700;font-size:16px}
@media (max-width:1024px){
  .dock-nav{display:none}
  .dock-actions .btn-dock{display:none}
  .mobile-bar{display:flex}
}
@media (max-width:560px){
  .dock-logo span.brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}

/* ============ 通用组件 ============ */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;letter-spacing:.06em;background:rgba(200,241,110,.32);color:#2E3D1A;font-weight:600}
.badge.warn{background:rgba(255,122,69,.16);color:#8A3A16}
.h1{font-size:clamp(2.2rem,5.2vw,4.2rem);font-weight:800;letter-spacing:-.02em;line-height:1.06}
.h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.2;letter-spacing:-.01em}
.lead{font-size:clamp(1rem,1.4vw,1.125rem);color:var(--muted);line-height:1.8}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head p{color:var(--muted);max-width:640px;margin-top:10px;font-size:15.5px}
.rule{height:1px;background:var(--line);border:0;margin:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 24px;
  border-radius:var(--radius-ctrl);font-weight:700;font-size:15.5px;transition:.22s var(--ease);white-space:nowrap;
}
.btn .arw{transition:transform .22s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:var(--accent);color:var(--ink)}
.btn-primary:hover{background:#bde95c;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);background:#b0e04c}
.btn-ghost{border:1px solid rgba(12,26,22,.24);color:var(--ink);background:transparent}
.btn-ghost:hover{background:rgba(12,26,22,.05);border-color:rgba(12,26,22,.4)}
.btn-dark{background:var(--ink);color:var(--dark-text)}
.btn-dark:hover{background:#173026}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);letter-spacing:.02em}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:var(--ink);font-weight:600}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);color:var(--dark-text);overflow:hidden;border-radius:0}
.hero::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.22;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,26,22,.96) 0%,rgba(12,26,22,.86) 45%,rgba(12,26,22,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:132px;padding-bottom:64px}
@media (min-width:1024px){.hero-inner{padding-top:172px;padding-bottom:96px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:56px}}
.hero h1{color:#fff}
.hero .hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:rgba(234,242,236,.82);max-width:560px}
.hero .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero .hero-actions .btn-ghost{border-color:rgba(234,242,236,.34);color:#fff}
.hero .hero-actions .btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(234,242,236,.6)}
.trust{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(234,242,236,.16)}
.trust li{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(234,242,236,.78);letter-spacing:.02em}
.trust svg{flex:none}
.hero-media{position:relative}
.hero-media .frame{position:relative;border-radius:22px;overflow:hidden;border:1px solid rgba(234,242,236,.2);box-shadow:0 30px 70px -40px rgba(0,0,0,.7)}
.hero-media .frame img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .45s var(--ease)}
.hero-media .frame:hover img{transform:scale(1.03)}
.float-card{
  position:absolute;left:-10px;bottom:-22px;width:min(268px,80%);
  background:var(--paper);color:var(--text);border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-2);padding:18px 20px;
}
.float-card .fc-label{font-size:12px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.float-card .fc-value{font-size:34px;font-weight:800;line-height:1.1;margin-top:6px;color:var(--ink)}
.float-card .fc-value small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px}
.float-card .fc-note{font-size:13px;color:var(--muted);margin-top:6px}
@media (max-width:768px){
  .float-card{position:static;width:100%;margin-top:16px}
}

/* ============ 交替图文 ============ */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:900px){
  .split{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px}
  .split.reverse .split-media{order:2}
}
.split-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .45s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-body h3{font-size:clamp(1.25rem,2vw,1.55rem);font-weight:700;line-height:1.3;margin-top:14px}
.split-body p{color:var(--muted);margin-top:14px}
.tick-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.tick-list li{display:flex;gap:11px;font-size:15.5px;line-height:1.75;color:var(--text)}
.tick-list .tk{flex:none;width:20px;height:20px;border-radius:50%;background:rgba(200,241,110,.5);display:flex;align-items:center;justify-content:center;margin-top:3px}
.split-stack{display:flex;flex-direction:column;gap:72px}
@media (max-width:899px){.split-stack{gap:52px}}
.split-index{font-size:13px;letter-spacing:.14em;color:var(--muted)}

/* ============ 要点清单 ============ */
.checklist{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
@media (min-width:768px){.checklist{grid-template-columns:1fr 1fr}}
.checkitem{display:flex;gap:18px;padding:26px 4px;border-bottom:1px solid var(--line)}
@media (min-width:768px){.checkitem:nth-child(odd){padding-right:32px;border-right:1px solid var(--line)}.checkitem:nth-child(even){padding-left:32px}}
.checkitem .cn{font-size:15px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums;letter-spacing:.04em;flex:none;width:34px;padding-top:2px}
.checkitem h3{font-size:16.5px;font-weight:700;line-height:1.5}
.checkitem p{color:var(--muted);font-size:15px;margin-top:8px}

/* ============ 场景标签 ============ */
.scene-band{background:var(--paper-2);border:1px solid var(--line);border-radius:24px;padding:36px 24px}
@media (min-width:1024px){.scene-band{padding:48px 44px}}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-size:14px;color:var(--text);transition:.22s var(--ease)}
.tag:hover{border-color:rgba(12,26,22,.32);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.tag .td{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.tag.alt .td{background:var(--accent-2)}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;
  padding:14px 4px;cursor:pointer;list-style:none;font-size:16.5px;font-weight:600;line-height:1.6;
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:#1F3A2E}
.faq .plus{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;color:var(--muted);transition:transform .25s var(--ease),background-color .25s var(--ease)}
.faq details[open] .plus{transform:rotate(45deg);background:var(--accent);border-color:transparent;color:var(--ink)}
.faq .answer{padding:0 4px 22px 20px;border-left:2px solid rgba(12,26,22,.12);margin-left:4px;color:var(--muted);font-size:15.5px}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:var(--ink);color:var(--dark-text);border-radius:24px;padding:40px 26px;
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.16}
.cta-band > *{position:relative;z-index:2}
.cta-band .cta-copy{max-width:620px}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(234,242,236,.78);margin-top:12px;font-size:15.5px}
@media (min-width:1024px){.cta-band{padding:56px 52px}}

/* ============ 页脚 ============ */
.footer{background:var(--ink);color:var(--dark-text);margin-top:88px;padding-top:64px}
@media (max-width:768px){.footer{margin-top:64px;padding-top:48px}}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:40px}
@media (min-width:768px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.foot-brand .dot{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(200,241,110,.22)}
.foot-intro{margin-top:16px;color:rgba(234,242,236,.66);font-size:14.5px;line-height:1.85;max-width:360px}
.foot-title{font-size:13px;letter-spacing:.08em;color:var(--accent);font-weight:600;margin-bottom:16px}
.foot-links li,.foot-contact li{margin-bottom:12px;font-size:14.5px;color:rgba(234,242,236,.72)}
.foot-links a{color:rgba(234,242,236,.72);transition:color .2s var(--ease)}
.foot-links a:hover{color:var(--accent)}
.foot-contact b{color:rgba(234,242,236,.92);font-weight:600}
.foot-bottom{
  border-top:1px solid rgba(234,242,236,.14);padding:22px 0 32px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:13px;color:rgba(234,242,236,.55);
}

/* 入场动效 */
.fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .3s var(--ease) forwards}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
.d1{animation-delay:.06s}.d2{animation-delay:.12s}.d3{animation-delay:.18s}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .fade-up{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#0C1A16;
  --ink-2:#12241E;
  --accent:#C8F16E;
  --accent-2:#FF7A45;
  --paper:#F7F7F4;
  --paper-2:#EDEFE9;
  --line:rgba(12,26,22,.12);
  --text:#10201B;
  --muted:#5A6B64;
  --dark-text:#EAF2EC;
  --radius-card:18px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(12,26,22,.06);
  --shadow-2:0 18px 40px -24px rgba(12,26,22,.28);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--paper);
  color:var(--text);
  font-size:16.5px;
  line-height:1.85;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 4px rgba(200,241,110,.35);border-radius:6px;}

div.container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%;}
@media (min-width:768px){
  div.container{padding-left:32px;padding-right:32px;}
}

/* ---------- 导航 Dock ---------- */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;justify-content:center;padding:16px 16px 0;pointer-events:none;}
.dock{
  pointer-events:auto;
  width:100%;max-width:1080px;
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;
  border-radius:999px;
  background:rgba(247,247,244,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:max-width .28s cubic-bezier(.2,.7,.2,1),padding .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s cubic-bezier(.2,.7,.2,1);
}
.dock.scrolled{max-width:1000px;padding:7px 14px;box-shadow:var(--shadow-2);}
.dock-logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.dock-logo .dot{width:10px;height:10px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px rgba(200,241,110,.28);flex:0 0 auto;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-link{
  position:relative;
  padding:9px 13px;border-radius:999px;
  font-size:14px;color:var(--muted);font-weight:500;
  transition:color .2s,background-color .2s;
  white-space:nowrap;
}
.dock-link:hover{color:var(--ink);background:rgba(12,26,22,.05);}
.dock-link.active{color:var(--ink);font-weight:600;}
.dock-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--accent);border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:6px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:transparent;color:var(--ink);
  cursor:pointer;transition:background-color .2s,border-color .2s,transform .2s;
}
.icon-btn:hover{background:rgba(12,26,22,.06);border-color:rgba(12,26,22,.22);}
.icon-btn:active{transform:scale(.96);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 22px;
  border-radius:var(--radius-input);
  font-weight:600;font-size:15px;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s cubic-bezier(.2,.7,.2,1),color .22s,border-color .22s,transform .22s,box-shadow .22s;
}
.btn .arrow{display:inline-block;transition:transform .22s cubic-bezier(.2,.7,.2,1);}
.btn:hover .arrow{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:#bdec5c;}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:rgba(12,26,22,.3);background:rgba(12,26,22,.04);}
.btn-ghost{background:transparent;border-color:rgba(234,242,236,.34);color:var(--dark-text);}
.btn-ghost:hover{background:rgba(234,242,236,.1);border-color:rgba(234,242,236,.6);}
.btn-sm{min-height:40px;padding:10px 16px;font-size:14px;border-radius:999px;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:150px 0 76px;
  color:var(--dark-text);
  background:
    linear-gradient(135deg,rgba(12,26,22,.94) 0%,rgba(12,26,22,.86) 52%,rgba(18,36,30,.92) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,110,.20),transparent 68%);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(234,242,236,.62);margin-bottom:24px;}
.crumb a{transition:color .2s;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(2.1rem,4.9vw,3.9rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.1;
  max-width:16em;
}
.page-hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{margin-top:18px;max-width:44em;font-size:17px;line-height:1.9;color:rgba(234,242,236,.78);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:7px 13px;border-radius:999px;
  background:rgba(200,241,110,.14);color:var(--accent);border:1px solid rgba(200,241,110,.3);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
  margin-top:52px;padding-top:28px;border-top:1px solid rgba(234,242,236,.16);
}
.metric-num{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;font-variant-numeric:tabular-nums;color:var(--accent);letter-spacing:-.01em;}
.metric-label{font-size:13px;color:rgba(234,242,236,.68);margin-top:4px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--paper-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;margin-bottom:14px;
}
.kicker.accent{color:#7a9b3a;}
h2.section-title{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.22;letter-spacing:-.015em;color:var(--ink);}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.9;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:13px;height:1px;
  background:linear-gradient(90deg,rgba(12,26,22,.06),rgba(12,26,22,.2),rgba(12,26,22,.06));
}
.tl-list{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;}
.tl-item{position:relative;padding-top:0;}
.tl-node{
  position:relative;z-index:1;
  width:26px;height:26px;border-radius:999px;
  background:var(--paper);border:2px solid var(--ink);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;
}
.section-alt .tl-node{background:var(--paper-2);}
.tl-node::after{content:"";width:8px;height:8px;border-radius:999px;background:var(--accent);}
.tl-step{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted);margin-bottom:8px;font-variant-numeric:tabular-nums;}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;box-shadow:var(--shadow-1);
  transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s,border-color .24s;
  height:100%;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(200,241,110,.75);}
.tl-card h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.45;margin-bottom:10px;}
.tl-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 规格条目网格 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;}
.spec-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.spec-mark{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:rgba(200,241,110,.28);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.spec-item h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.spec-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- 深色通栏 ---------- */
.dark-band{
  background:linear-gradient(160deg,var(--ink) 0%,var(--ink-2) 100%);
  color:var(--dark-text);border-radius:24px;padding:56px 40px;
  position:relative;overflow:hidden;
}
.dark-band::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.18),transparent 70%);
}
.dark-band h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.25;max-width:20em;}
.dark-band .lead{margin-top:14px;color:rgba(234,242,236,.74);font-size:16px;max-width:46em;}
.reason-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 32px;margin-top:36px;position:relative;z-index:1;}
.reason-item{display:flex;gap:14px;padding:18px 0;border-top:1px solid rgba(234,242,236,.14);}
.reason-idx{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--accent-2);flex:0 0 auto;padding-top:4px;font-variant-numeric:tabular-nums;}
.reason-item h3{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:6px;}
.reason-item p{font-size:14px;color:rgba(234,242,236,.68);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .22s,box-shadow .22s;}
.faq-item:hover{border-color:rgba(12,26,22,.24);}
.faq-item[open]{border-color:rgba(200,241,110,.9);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px;
  font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.plus{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .26s cubic-bezier(.2,.7,.2,1);}
.plus::before,.plus::after{content:"";position:absolute;background:var(--ink);border-radius:2px;}
.plus::before{left:9px;top:2px;width:2px;height:16px;}
.plus::after{top:9px;left:2px;height:2px;width:16px;}
.faq-item[open] .plus{transform:rotate(45deg);}
.faq-body{padding:0 24px 22px 24px;margin-left:24px;border-left:2px solid var(--paper-2);padding-left:16px;font-size:15px;color:var(--muted);line-height:1.9;}

/* ---------- CTA 咨询 ---------- */
.cta-block{
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:52px 44px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
  box-shadow:var(--shadow-1);
}
.cta-block h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.25;color:var(--ink);}
.cta-block p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.9;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text);}
.cta-points .tick{width:22px;height:22px;border-radius:999px;background:rgba(200,241,110,.42);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--ink);flex:0 0 auto;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:var(--dark-text);padding-top:64px;margin-top:88px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:800;letter-spacing:-.01em;}
.foot-brand .dot{width:10px;height:10px;border-radius:999px;background:var(--accent);flex:0 0 auto;}
.foot-intro{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(234,242,236,.6);max-width:360px;}
.foot-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent);margin-bottom:18px;}
.foot-links li,.foot-contact li{font-size:14px;color:rgba(234,242,236,.7);margin-bottom:11px;line-height:1.7;}
.foot-links a{transition:color .2s;}
.foot-links a:hover{color:var(--accent);}
.foot-contact b{color:var(--dark-text);font-weight:600;}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(234,242,236,.14);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:12.5px;color:rgba(234,242,236,.48);
}

/* ---------- 移动端 ---------- */
.m-pill{
  position:fixed;bottom:16px;left:50%;transform:translateX(-50%);
  z-index:70;display:none;align-items:center;gap:8px;
  padding:8px;border-radius:999px;
  background:rgba(247,247,244,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink);
  color:var(--dark-text);padding:28px 24px 32px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateY(100%);opacity:0;pointer-events:none;
  transition:transform .3s cubic-bezier(.2,.7,.2,1),opacity .3s;
}
.drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;}
.drawer-logo .dot{width:10px;height:10px;border-radius:999px;background:var(--accent);}
.drawer-close{width:44px;height:44px;border-radius:999px;border:1px solid rgba(234,242,236,.28);background:transparent;color:var(--dark-text);cursor:pointer;display:flex;align-items:center;justify-content:center;}
.drawer a.d-link{font-size:20px;line-height:1.6;padding:12px 0;border-bottom:1px solid rgba(234,242,236,.12);color:rgba(234,242,236,.86);}
.drawer a.d-link.active{color:var(--accent);font-weight:600;}
.drawer .drawer-cta{margin-top:auto;}

@media (max-width:1024px){
  .tl-list{grid-template-columns:repeat(3,minmax(0,1fr));}
  .timeline::before{display:none;}
  .dark-band{padding:44px 28px;}
  .cta-block{grid-template-columns:1fr;gap:32px;padding:40px 28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .dock-nav{display:none;}
  .m-pill{display:flex;}
  .dock-actions .btn-sm{display:none;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .page-hero{padding:126px 0 58px;}
  .hero-metrics{grid-template-columns:1fr;gap:16px;margin-top:38px;}
  .tl-list{grid-template-columns:1fr;gap:0;}
  .timeline::before{display:block;left:13px;right:auto;top:0;bottom:0;width:1px;height:auto;background:linear-gradient(180deg,rgba(12,26,22,.06),rgba(12,26,22,.2),rgba(12,26,22,.06));}
  .tl-item{display:flex;gap:18px;padding-bottom:22px;}
  .tl-node{margin-bottom:0;flex:0 0 auto;margin-top:4px;}
  .tl-body-wrap{flex:1 1 auto;}
  .spec-grid{grid-template-columns:1fr;gap:0;}
  .reason-list{grid-template-columns:1fr;}
  .faq-body{margin-left:16px;}
  .footer{margin-top:64px;padding-top:52px;}
}
@media (max-width:520px){
  .page-hero{padding:118px 0 52px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .dark-band{padding:36px 20px;border-radius:20px;}
  .cta-block{padding:32px 20px;border-radius:20px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
:root{
    --ink:#0C1A16;
    --ink-2:#12241E;
    --accent:#C8F16E;
    --accent-2:#FF7A45;
    --paper:#F7F7F4;
    --paper-2:#EDEFE9;
    --line:rgba(12,26,22,.12);
    --text:#10201B;
    --muted:#5A6B64;
    --dark-text:#EAF2EC;
    --r-card:18px;
    --r-btn:12px;
    --sh-1:0 1px 2px rgba(12,26,22,.06);
    --sh-2:0 18px 40px -24px rgba(12,26,22,.28);
    --ease:cubic-bezier(.2,.7,.2,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:16.5px;
    line-height:1.85;
    overflow-x:hidden;
    padding-top:96px;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block;height:auto}
  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 var(--accent);outline-offset:2px;box-shadow:0 0 0 4px rgba(200,241,110,.3);border-radius:6px}

  .container{max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}

  .num{font-variant-numeric:tabular-nums}

  /* ---------- Dock 导航 ---------- */
  .dock-wrap{
    position:fixed;top:16px;left:0;right:0;z-index:60;
    display:flex;justify-content:center;padding:0 16px;pointer-events:none;
  }
  .dock{
    pointer-events:auto;width:100%;max-width:1080px;
    display:flex;align-items:center;gap:10px;
    background:rgba(247,247,244,.72);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border:1px solid var(--line);border-radius:999px;
    padding:10px 14px;box-shadow:var(--sh-1);
    transition:box-shadow .26s var(--ease),transform .26s var(--ease),padding .26s var(--ease);
  }
  .dock.is-scrolled{box-shadow:var(--sh-2);transform:translateY(-2px);padding:7px 14px}
  .brand{
    display:flex;align-items:center;gap:8px;
    font-weight:800;font-size:15px;letter-spacing:-.01em;color:var(--ink);
    padding:4px 6px;white-space:nowrap;
  }
  .brand-dot{
    width:10px;height:10px;border-radius:999px;background:var(--accent);
    box-shadow:0 0 0 3px rgba(200,241,110,.28);flex:0 0 10px;
  }
  .dock-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
  .dock-link{
    position:relative;display:inline-flex;align-items:center;
    height:40px;padding:0 12px;border-radius:999px;
    font-size:14.5px;color:var(--muted);
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .dock-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
    background:var(--accent);border-radius:2px;transform:scaleX(0);
    transform-origin:left center;transition:transform .24s var(--ease);
  }
  .dock-link:hover{color:var(--ink);background:rgba(12,26,22,.05)}
  .dock-link:hover::after{transform:scaleX(1)}
  .dock-link.active{color:var(--ink);font-weight:600}
  .dock-link.active::after{transform:scaleX(1)}
  .dock-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
  .icon-btn{
    width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
    background:transparent;display:inline-flex;align-items:center;justify-content:center;
    cursor:pointer;transition:background .2s var(--ease),border-color .2s var(--ease);
  }
  .icon-btn:hover{background:rgba(12,26,22,.06);border-color:rgba(12,26,22,.22)}
  .icon-btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:1.7}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:48px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .btn .arw{transition:transform .22s var(--ease);display:inline-block}
  .btn:hover .arw{transform:translateX(4px)}
  .btn-primary{background:var(--accent);color:var(--ink);border-color:var(--accent)}
  .btn-primary:hover{background:#b9e556;border-color:#b9e556;box-shadow:var(--sh-1)}
  .btn-primary:active{background:#a9d94a}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{border-color:var(--ink);background:rgba(12,26,22,.04)}
  .btn-ghost:active{background:rgba(12,26,22,.08)}
  .btn-dark{background:var(--ink);color:var(--dark-text);border-color:var(--ink)}
  .btn-dark:hover{background:#162a23}
  .btn-sm{min-height:40px;padding:0 16px;font-size:14px}
  .btn-block{width:100%}

  /* 移动端底部悬浮条 */
  .mobile-bar{
    display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:70;
    background:rgba(247,247,244,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border:1px solid var(--line);border-radius:999px;box-shadow:var(--sh-2);
    padding:8px;align-items:center;gap:8px;
  }
  .mobile-bar .icon-btn{flex:0 0 44px;width:44px;height:44px}
  .mobile-bar .btn{flex:1 1 auto;min-height:44px}
  .drawer{
    position:fixed;inset:0;z-index:80;background:var(--paper);
    display:none;flex-direction:column;padding:24px 20px 28px;
  }
  .drawer.open{display:flex}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
  .drawer-links{display:flex;flex-direction:column;gap:6px}
  .drawer-links a{
    font-size:20px;line-height:1.6;padding:12px 4px;border-bottom:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;
  }
  .drawer-links a.active{font-weight:700}
  .drawer-links a.active::before{
    content:"";width:8px;height:8px;border-radius:999px;background:var(--accent);
    position:absolute;margin-left:-18px;
  }
  .drawer-foot{margin-top:auto;padding-top:24px}

  @media (max-width:1023px){
    .dock-nav{display:none}
  }
  @media (max-width:767px){
    body{padding-top:0;padding-bottom:88px}
    .dock-wrap{display:none}
    .mobile-bar{display:flex}
  }

  /* ---------- 通用板块 ---------- */
  .sec{padding:56px 0}
  @media (min-width:768px){.sec{padding:72px 0}}
  @media (min-width:1024px){.sec{padding:88px 0}}
  .sec-tight{padding:40px 0}
  .sec-alt{background:var(--paper-2)}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
  .eyebrow{
    font-size:12px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;
    display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
  .h1{font-size:clamp(2.1rem,5.2vw,3.9rem);font-weight:800;letter-spacing:-.02em;line-height:1.06;color:var(--ink)}
  .h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.2;color:var(--ink);letter-spacing:-.01em}
  .lead{font-size:17px;color:var(--muted);line-height:1.85}
  .link-more{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid var(--accent);padding-bottom:2px}
  .link-more:hover{color:#0a1a14;border-bottom-color:var(--ink)}

  /* ---------- 面包屑 ---------- */
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;margin-bottom:20px}
  .crumb a:hover{color:var(--ink);text-decoration:underline}
  .crumb .sep{opacity:.5}

  /* ---------- 检索式页头 ---------- */
  .search-head{
    position:relative;overflow:hidden;
    background:var(--paper);border-bottom:1px solid var(--line);
  }
  .search-head::before{
    content:"";position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center right;
    opacity:.14;pointer-events:none;
  }
  .search-head .container{position:relative;z-index:1}
  .head-inner{padding:34px 0 46px}
  @media (min-width:1024px){.head-inner{padding:44px 0 60px}}
  .head-sub{max-width:640px;margin-top:18px}
  .search-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .search-box{
    position:relative;display:flex;align-items:center;flex:1 1 320px;min-width:260px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
    padding:0 14px;height:52px;box-shadow:var(--sh-1);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(200,241,110,.3)}
  .search-box svg{width:18px;height:18px;stroke:var(--muted);fill:none;stroke-width:1.7;margin-right:10px;flex:0 0 18px}
  .search-box input{border:0;outline:none;background:transparent;width:100%;height:100%;font-size:15.5px}
  .chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
  .chip{
    border:1px solid var(--line);background:#fff;border-radius:999px;
    padding:9px 16px;font-size:13.5px;color:var(--muted);cursor:pointer;
    transition:all .2s var(--ease);min-height:40px;
  }
  .chip:hover{border-color:rgba(12,26,22,.3);color:var(--ink)}
  .chip.active{background:var(--ink);border-color:var(--ink);color:var(--accent);font-weight:600}
  .head-stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:32px}
  .hstat{display:flex;flex-direction:column;gap:2px}
  .hstat b{font-size:26px;font-weight:800;color:var(--ink);line-height:1.1}
  .hstat span{font-size:12.5px;letter-spacing:.06em;color:var(--muted)}

  /* ---------- 双列信息卡网格 ---------- */
  .tgrid{display:grid;grid-template-columns:1fr;gap:16px}
  @media (min-width:768px){.tgrid{grid-template-columns:1fr 1fr;gap:20px}}
  @media (min-width:1024px){.tgrid{gap:24px}}
  .tcard{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .tcard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(200,241,110,.9)}
  .tcard-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .badge{
    display:inline-flex;align-items:center;
    background:rgba(200,241,110,.35);color:#28401a;
    font-size:12px;letter-spacing:.08em;border-radius:999px;padding:4px 10px;font-weight:600;
  }
  .tcard-no{font-size:12.5px;letter-spacing:.08em;color:var(--muted)}
  .tcard-title{font-size:19px;font-weight:700;color:var(--ink);line-height:1.4}
  .tcard-body{display:flex;flex-direction:column;gap:10px}
  .kv{display:flex;gap:10px;font-size:15px;line-height:1.8}
  .kv .k{
    flex:0 0 74px;color:var(--muted);font-size:13px;letter-spacing:.04em;padding-top:3px;
  }
  .kv .v{color:var(--text)}
  .tcard-line{height:1px;background:var(--line);margin:2px 0}

  .empty-note{
    display:none;border:1px dashed rgba(12,26,22,.28);border-radius:var(--r-card);
    padding:48px 24px;text-align:center;color:var(--muted);font-size:15px;background:#fff;
  }
  .empty-note.show{display:block}

  /* ---------- 自检顺序 ---------- */
  .check-wrap{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
  @media (min-width:1024px){.check-wrap{grid-template-columns:1.15fr .85fr;gap:56px}}
  .steps{display:flex;flex-direction:column;gap:0;border-left:2px solid var(--line);margin-top:28px}
  .step{position:relative;padding:14px 0 14px 26px;display:flex;gap:14px;align-items:flex-start}
  .step::before{
    content:"";position:absolute;left:-8px;top:26px;width:14px;height:14px;border-radius:999px;
    background:var(--paper);border:2px solid var(--accent);
  }
  .step b{font-size:13px;letter-spacing:.08em;color:var(--muted);flex:0 0 28px;padding-top:2px}
  .step p{font-size:15.5px;line-height:1.8}
  .step p strong{display:block;font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:2px}
  .figure{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--paper-2)}
  .figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .32s var(--ease)}
  .figure:hover img{transform:scale(1.03)}
  .figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;background:#fff}

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:0 22px;box-shadow:var(--sh-1);overflow:hidden;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .faq[open]{border-color:rgba(200,241,110,.9);box-shadow:var(--sh-2)}
  .faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
    min-height:56px;padding:16px 0;
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq-q{font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;flex:1 1 auto}
  .faq-icon{
    position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:999px;
    border:1px solid var(--line);background:#fff;
    transition:transform .24s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--ink);transform:translate(-50%,-50%);
  }
  .faq-icon::before{width:11px;height:1.6px}
  .faq-icon::after{width:1.6px;height:11px}
  details[open] .faq-icon{transform:rotate(45deg);background:var(--accent);border-color:var(--accent)}
  .faq-a{
    border-left:2px solid rgba(12,26,22,.12);margin:0 0 20px 0;padding:2px 0 2px 16px;
    font-size:15.5px;color:var(--muted);line-height:1.85;
  }

  /* ---------- 深色 CTA ---------- */
  .cta-dark{background:var(--ink);color:var(--dark-text);border-radius:0}
  .cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding:56px 0}
  @media (min-width:1024px){.cta-inner{grid-template-columns:1.3fr .7fr;gap:48px;padding:72px 0}}
  .cta-dark .h2{color:#fff}
  .cta-dark p{color:rgba(234,242,236,.82);max-width:600px;margin-top:14px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  .cta-dark .btn-ghost{color:#fff;border-color:rgba(234,242,236,.35)}
  .cta-dark .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

  /* ---------- 页脚 ---------- */
  .footer{background:var(--ink);color:var(--dark-text);padding:56px 0 24px}
  .foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:640px){.foot-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
  .foot-brand{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:#fff}
  .foot-brand .dot{width:10px;height:10px;border-radius:999px;background:var(--accent);flex:0 0 10px}
  .foot-intro{margin-top:14px;font-size:14.5px;color:rgba(234,242,236,.74);line-height:1.85}
  .foot-title{font-size:13px;letter-spacing:.1em;color:var(--accent);margin-bottom:14px;font-weight:700}
  .foot-links li,.foot-contact li{margin-bottom:10px;font-size:14.5px;color:rgba(234,242,236,.8);line-height:1.75}
  .foot-links a{border-bottom:1px solid transparent;transition:border-color .2s var(--ease),color .2s var(--ease)}
  .foot-links a:hover{color:#fff;border-bottom-color:var(--accent)}
  .foot-contact b{color:#fff;font-weight:600}
  .foot-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(234,242,236,.16);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:12.5px;color:rgba(234,242,236,.6);
  }

  /* ---------- 动效与可达性 ---------- */
  .fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .3s var(--ease) forwards}
  @keyframes fadeUp{to{opacity:1;transform:none}}
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
    .fade-up{opacity:1;transform:none}
  }