/* roulang page: index */
:root{
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DA;
  --ink-900:#0B100D;
  --ink-700:#1E2420;
  --ink-500:#4C544E;
  --ink-300:#8C938D;
  --brand:#0F4D3A;
  --brand-deep:#072A1C;
  --brand-soft:#E7EFE9;
  --accent:#CBF24A;
  --warn:#FF6A2B;
  --ok:#2FA36B;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,16,13,.06);
  --sh-2:0 14px 34px -14px rgba(11,16,13,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.02em}
p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:var(--brand-soft)}
.btn--accent{background:var(--accent);color:var(--brand-deep)}
.btn--accent:hover{background:#bde63a;transform:translateY(-1px)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn .ico{width:16px;height:16px;transition:transform .24s var(--ease)}
.btn:hover .ico{transform:translateX(3px)}

.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-sm);
  font-size:12px;letter-spacing:.08em;font-weight:700;background:var(--brand-soft);color:var(--brand)}
.tag--accent{background:var(--accent);color:var(--brand-deep)}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--ink-500);font-weight:600}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--brand);background:var(--brand-soft);padding:6px 12px;border-radius:var(--r-pill);margin-bottom:16px}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.15;margin-top:4px}
.sec-desc{max-width:560px;color:var(--ink-500);font-size:15px;line-height:1.8}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand)}
.link-arrow svg{width:14px;height:14px;transition:transform .24s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;height:72px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:height .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{height:60px;box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:20px;height:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  width:40px;height:40px;flex:none;border-radius:10px;background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-weight:900;font-size:17px;letter-spacing:0;
}
.brand__text{display:flex;flex-direction:column;line-height:1.18}
.brand__name{font-size:15px;font-weight:800;color:var(--ink-900);white-space:nowrap;letter-spacing:-.01em}
.brand__sub{font-size:11px;color:var(--ink-300);letter-spacing:.08em;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-menu a{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;
  color:var(--ink-500);border-radius:var(--r-sm);white-space:nowrap;
  transition:color .24s var(--ease),background .24s var(--ease)}
.nav-menu a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-menu a.is-active{color:var(--ink-900);font-weight:700}
.nav-menu a.is-active::after{content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:20px;height:2px;background:var(--accent);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.status-chip{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.06em;white-space:nowrap}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(47,163,107,.55)}
  70%{box-shadow:0 0 0 8px rgba(47,163,107,0)}
  100%{box-shadow:0 0 0 0 rgba(47,163,107,0)}
}
.countdown-chip{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border:1px solid var(--line);
  border-radius:var(--r-pill);font-size:12px;color:var(--ink-500);font-variant-numeric:tabular-nums;white-space:nowrap}
.countdown-chip b{color:var(--brand);font-weight:800}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);
  align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.drawer{
  position:fixed;inset:0;z-index:90;background:var(--surface);padding:20px 20px 28px;
  display:flex;flex-direction:column;transform:translateY(-102%);
  transition:transform .35s var(--ease);overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer__close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;font-size:20px;color:var(--ink-700);line-height:1}
.drawer__nav{display:flex;flex-direction:column;margin:12px 0 20px}
.drawer__nav a{display:flex;align-items:center;height:52px;font-size:17px;font-weight:600;color:var(--ink-700);border-bottom:1px solid var(--line)}
.drawer__nav a.is-active{color:var(--brand)}
.drawer__foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer__foot .btn{width:100%}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 40px;background:var(--paper)}
.hero__bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;opacity:.22}
.hero__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(246,245,241,.55) 0%,rgba(246,245,241,.88) 56%,var(--paper) 100%)}
.hero .container{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.hero-title{font-size:clamp(34px,5.2vw,62px);line-height:1.06;font-weight:900;letter-spacing:-.02em}
.hero-title .mark{
  white-space:nowrap;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;
  background-position:0 86%;
  background-size:100% 12px;
  animation:brush .9s var(--ease) .35s both;
}
@keyframes brush{from{background-size:0 12px}to{background-size:100% 12px}}
.hero-sub{margin-top:24px;font-size:17px;color:var(--ink-500);max-width:440px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{margin-top:32px;display:flex;flex-direction:column;gap:10px}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-500)}
.hero-points svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--brand)}

.hero-cards{display:flex;align-items:center;justify-content:center;min-height:500px}
.vcard{position:relative;flex:none;width:300px;aspect-ratio:9/16;border-radius:16px;overflow:hidden;
  background:var(--brand-deep);box-shadow:var(--sh-2)}
.vcard img{width:100%;height:100%;object-fit:cover}
.vcard__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,42,28,.05) 35%,rgba(7,42,28,.82) 100%)}
.vcard__cap{position:absolute;left:16px;right:16px;bottom:16px;color:#fff}
.vcard__cap .tag{margin-bottom:10px}
.vcard__cap h3{color:#fff;font-size:17px;font-weight:700;line-height:1.4}
.vcard__cap p{font-size:12px;color:rgba(255,255,255,.68);margin-top:6px}
.vcard--main{z-index:3;width:320px;box-shadow:0 24px 50px -20px rgba(11,16,13,.45)}
.vcard--b{z-index:2;margin-left:-158px;transform:scale(.86);opacity:.55}
.vcard--c{z-index:1;margin-left:-176px;transform:scale(.72);opacity:.3}
.hero-cards__mobile{display:none}

/* ---------- 状态条 ---------- */
.status-bar{position:relative;z-index:2;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:48px}
.status-bar__inner{display:flex;flex-wrap:wrap;align-items:center}
.status-bar__item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);
  padding:16px 22px;border-right:1px solid var(--line)}
.status-bar__item:first-child{padding-left:0}
.status-bar__item:last-child{border-right:0}
.status-bar__item b{color:var(--ink-900);font-weight:700}
.status-bar__dot{width:6px;height:6px;border-radius:50%;background:var(--ok)}

/* ---------- 片段流 ---------- */
.reel{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 4px 24px;
  scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.reel::-webkit-scrollbar{height:6px}
.reel::-webkit-scrollbar-track{background:transparent}
.reel::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.reel-card{position:relative;flex:none;width:220px;aspect-ratio:9/16;border-radius:16px;overflow:hidden;
  scroll-snap-align:start;background:var(--brand-deep);box-shadow:var(--sh-1);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.reel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.reel-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.reel-card:hover img{transform:scale(1.04)}
.reel-card__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,42,28,0) 40%,rgba(7,42,28,.86) 100%)}
.reel-card__time{position:absolute;top:12px;left:12px;height:22px;padding:0 8px;border-radius:var(--r-sm);
  background:rgba(7,42,28,.72);color:#fff;font-size:11px;display:inline-flex;align-items:center;font-variant-numeric:tabular-nums}
.reel-card__cat{position:absolute;top:12px;right:12px;height:22px;padding:0 8px;border-radius:var(--r-sm);
  background:var(--accent);color:var(--brand-deep);font-size:11px;font-weight:700;display:inline-flex;align-items:center}
.reel-card__cap{position:absolute;left:14px;right:14px;bottom:14px;color:#fff;font-size:14px;font-weight:700;line-height:1.45}
.reel-card__play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.92);display:grid;place-items:center;
  transition:width .45s var(--ease),height .45s var(--ease),background .24s var(--ease)}
.reel-card__play svg{width:16px;height:16px;color:var(--brand-deep);margin-left:2px}
.reel-card:hover .reel-card__play{width:52px;height:52px;background:#fff}

/* ---------- 编号清单 ---------- */
.checklist{display:grid;grid-template-columns:1fr 1fr;column-gap:48px;row-gap:0}
.check-item{position:relative;display:flex;gap:20px;padding:26px 20px 26px 24px;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease)}
.check-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease)}
.check-item:hover{background:var(--surface)}
.check-item:hover::before{transform:scaleY(1)}
.check-item__num{flex:none;width:62px;font-size:42px;font-weight:900;line-height:1;color:var(--line);
  font-variant-numeric:tabular-nums;transition:color .24s var(--ease)}
.check-item:hover .check-item__num{color:var(--accent)}
.check-item__body h3{font-size:18px;font-weight:700;margin-bottom:8px}
.check-item__body p{font-size:14px;color:var(--ink-500);line-height:1.75}
.check-item__body a{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;font-weight:700;color:var(--brand)}
.check-item__body a svg{width:12px;height:12px;transition:transform .24s var(--ease)}
.check-item__body a:hover svg{transform:translateX(4px)}

/* ---------- 口碑条 ---------- */
.voices{background:var(--brand-deep);color:#fff;padding:44px 0;overflow:hidden}
.voices__track{display:flex;width:max-content;animation:marquee 42s linear infinite}
.voices:hover .voices__track{animation-play-state:paused}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.voice{display:flex;align-items:center;gap:14px;padding:0 28px;border-right:1px solid rgba(255,255,255,.14);white-space:nowrap}
.voice__avatar{width:34px;height:34px;flex:none;border-radius:50%;background:rgba(203,242,74,.16);
  color:var(--accent);display:grid;place-items:center;font-size:13px;font-weight:800}
.voice__name{font-size:14px;font-weight:700}
.voice__star{display:inline-flex;gap:2px}
.voice__star svg{width:12px;height:12px;color:var(--accent)}
.voice__text{font-size:14px;color:rgba(255,255,255,.86)}
.voice__from{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-pill);padding:2px 10px}

/* ---------- 转化带 ---------- */
.convert{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0}
.convert__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.convert__left h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.25}
.convert__left p{margin-top:12px;font-size:15px;color:var(--ink-500);max-width:560px}
.convert__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.convert__right{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.convert__note{font-size:13px;color:var(--ink-300)}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:1.18fr 1fr;gap:40px;align-items:start}
.news-lead{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:box-shadow .24s var(--ease),transform .24s var(--ease)}
.news-lead:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-lead__media{position:relative;aspect-ratio:16/9;background:var(--brand-deep);overflow:hidden}
.news-lead__media img{width:100%;height:100%;object-fit:cover}
.news-lead__media .tag{position:absolute;left:14px;top:14px}
.news-lead__body{padding:24px 24px 26px}
.news-lead__title{font-size:21px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead__desc{margin-top:12px;font-size:14px;color:var(--ink-500);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:12px;color:var(--ink-300)}
.meta-row .dot-sep{width:3px;height:3px;border-radius:50%;background:var(--line)}
.news-list{border-top:1px solid var(--line)}
.news-list__item{border-bottom:1px solid var(--line)}
.news-list__item a{display:block;padding:18px 0;transition:padding-left .24s var(--ease)}
.news-list__item a:hover{padding-left:6px}
.news-list__title{display:block;font-size:16px;font-weight:600;color:var(--ink-900);white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;transition:color .24s var(--ease)}
.news-list__item a:hover .news-list__title{color:var(--brand)}
.news-list__meta{display:block;margin-top:6px;font-size:12px;color:var(--ink-300)}
.empty-state{border:1.5px dashed var(--line);border-radius:var(--r-md);padding:32px;text-align:center;background:var(--surface)}
.empty-state p{color:var(--ink-500);font-size:15px;margin-bottom:16px}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  position:relative;overflow:hidden;transition:border-color .24s var(--ease)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-item__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);min-height:44px}
.faq-item.is-open .faq-item__q{font-weight:800}
.faq-item__q svg{width:18px;height:18px;flex:none;color:var(--brand);transition:transform .28s var(--ease)}
.faq-item.is-open .faq-item__q svg{transform:rotate(180deg)}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-item__a p{padding:0 22px 22px;font-size:14px;color:var(--ink-500);line-height:1.85}

/* ---------- 协助表单 ---------- */
.assist{background:var(--brand-deep);color:#fff;padding:80px 0;position:relative;overflow:hidden}
.assist__bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.14}
.assist .container{position:relative;z-index:2}
.assist__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.assist h2{color:#fff;font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.25}
.assist__desc{margin-top:16px;font-size:15px;color:rgba(255,255,255,.72);line-height:1.85;max-width:460px}
.assist__list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.assist__list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.8)}
.assist__list svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--accent)}
.form-card{background:var(--surface);border-radius:var(--r-md);padding:28px;color:var(--ink-700)}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.form-card .form-hint{font-size:13px;color:var(--ink-300);margin-bottom:20px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-700);margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;background:var(--paper);
  padding:0 14px;height:48px;font-size:15px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,77,58,.12);
}
.field.has-error input,.field.has-error textarea{border-color:var(--warn)}
.field__err{display:none;margin-top:6px;font-size:13px;color:var(--warn)}
.field.has-error .field__err{display:block}
.form-card .btn{width:100%}
.form-ok{margin-top:14px;font-size:13px;color:var(--ok);display:none}
.form-ok.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.14)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand__mark{width:40px;height:40px;flex:none;border-radius:10px;background:rgba(203,242,74,.14);color:var(--accent);
  display:grid;place-items:center;font-weight:900;font-size:17px}
.footer-brand__text{display:flex;flex-direction:column;line-height:1.2}
.footer-brand__name{font-size:15px;font-weight:800;color:#fff;white-space:nowrap}
.footer-brand__sub{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.45);white-space:nowrap}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;transition:background .24s var(--ease),border-color .24s var(--ease)}
.footer-social a svg{width:16px;height:16px;color:rgba(255,255,255,.7)}
.footer-social a:hover{background:rgba(203,242,74,.16);border-color:rgba(203,242,74,.5)}
.footer-social a:hover svg{color:var(--accent)}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;transition:color .24s var(--ease),transform .24s var(--ease)}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45)}
.back-top{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.75);font-size:13px;min-height:44px;
  transition:background .24s var(--ease),color .24s var(--ease)}
.back-top:hover{background:rgba(203,242,74,.16);color:var(--accent)}
.back-top svg{width:14px;height:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero__grid{gap:32px}
  .vcard{width:270px}
  .vcard--main{width:290px}
  .vcard--b{margin-left:-140px}
  .vcard--c{margin-left:-158px}
  .hero-cards{min-height:460px}
  .news-grid{gap:32px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .countdown-chip{display:none}
  .hero{padding:48px 0 32px}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:none}
  .hero-cards{min-height:auto;gap:0}
  .vcard--b,.vcard--c{display:none}
  .vcard--main{width:280px}
  .checklist{grid-template-columns:1fr;column-gap:0}
  .check-item:nth-child(even){transform:none}
  .assist__grid{grid-template-columns:1fr;gap:36px}
  .news-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .reel-card{width:200px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .brand__sub{display:none}
  .status-chip{display:none}
  .hero{padding:36px 0 24px}
  .hero-title{font-size:clamp(30px,8.6vw,40px)}
  .hero-title .mark{background-size:100% 8px;animation:none}
  .hero-sub{font-size:16px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .status-bar{margin-top:32px}
  .status-bar__inner{flex-direction:column;align-items:flex-start}
  .status-bar__item{border-right:0;border-bottom:1px solid var(--line);padding:12px 0;width:100%}
  .status-bar__item:last-child{border-bottom:0}
  .reel-card{width:168px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .convert__inner{flex-direction:column;align-items:flex-start;gap:24px}
  .convert__right{width:100%}
  .convert__right .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .check-item{padding:22px 12px 22px 16px;gap:14px}
  .check-item__num{width:52px;font-size:34px}
}
@media (max-width:480px){
  .brand__name{font-size:14px}
  .hero-title{font-size:30px}
  .reel-card{width:150px}
  .form-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  .hero-title .mark{background-size:100% 12px}
  .voices__track{animation:none}
}

/* roulang page: article */
:root{
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DA;
  --ink-900:#0B100D;
  --ink-700:#1E2420;
  --ink-500:#4C544E;
  --ink-300:#8C938D;
  --brand:#0F4D3A;
  --brand-deep:#072A1C;
  --brand-soft:#E7EFE9;
  --accent:#CBF24A;
  --warn:#FF6A2B;
  --ok:#2FA36B;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,16,13,.06);
  --sh-2:0 14px 34px -14px rgba(11,16,13,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
  --pad-y:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease),opacity .24s var(--ease);}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--accent);color:var(--brand-deep);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn .ico{width:18px;height:18px;flex:none;transition:transform .24s var(--ease);}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:hover .ico{transform:translateX(3px);}
.btn--ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn--ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--sm .ico{width:16px;height:16px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;}
.text-link .ico{width:16px;height:16px;transition:transform .24s var(--ease);}
.text-link:hover .ico{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.08em;line-height:1.4;
}
.badge--accent{background:var(--accent);color:var(--brand-deep);}
.badge--soft{background:var(--brand-soft);color:var(--brand);}
.badge--line{border:1px solid var(--line);color:var(--ink-500);background:var(--surface);}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.06em;white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none;
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(47,163,107,.45);}
  50%{box-shadow:0 0 0 5px rgba(47,163,107,0);}
}
.countdown-chip{
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--ink-500);
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.countdown-chip b{color:var(--brand);font-variant-numeric:tabular-nums;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:height .3s var(--ease),background-color .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);box-shadow:0 1px 0 rgba(11,16,13,.04);}
.nav-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:24px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand__mark{
  width:42px;height:42px;border-radius:var(--r-md);flex:none;
  background:var(--brand);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:900;letter-spacing:.02em;
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__name{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.brand__sub{font-size:11px;color:var(--ink-300);letter-spacing:.1em;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;min-width:0;}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:14px;font-weight:600;color:var(--ink-500);border-radius:var(--r-sm);
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;width:0;
  background:var(--accent);border-radius:2px;transition:width .24s var(--ease);
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a.is-active{color:var(--brand);}
.nav-menu a.is-active::after{width:20px;}
.nav-right{display:flex;align-items:center;gap:12px;flex:none;margin-left:auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;border:1px solid var(--line);background:var(--surface);
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:background .2s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;
  transition:transform .24s var(--ease),top .24s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}

/* ---------- 文章主体 ---------- */
.article-main{padding:0 0 var(--pad-y);}

.breadcrumb{
  padding:24px 0 0;
  font-size:14px;color:var(--ink-500);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--ink-300);}
.breadcrumb .current{color:var(--ink-300);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{padding:32px 0 40px;border-bottom:1px solid var(--line);}
.article-head__badge{margin-bottom:20px;}
.article-head h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.2;
  font-weight:900;
  letter-spacing:-.02em;
  max-width:900px;
  color:var(--ink-900);
}
.article-meta{
  margin-top:24px;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:14px;color:var(--ink-500);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);flex:none;}
.article-meta .share{
  display:inline-flex;align-items:center;gap:8px;margin-left:auto;
}
.article-meta .share a{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;background:var(--surface);
}
.article-meta .share a:hover{border-color:var(--brand);color:var(--brand);}
.article-meta .share svg{width:16px;height:16px;}

.article-hero-img{margin:40px 0 8px;}
.article-hero-img img{width:100%;border-radius:16px;box-shadow:var(--sh-2);}
.article-hero-img figcaption{margin-top:12px;font-size:13px;color:var(--ink-300);text-align:center;}

.article-body{
  max-width:760px;margin:0 auto;padding:48px 0 0;
  font-size:17px;line-height:1.9;color:var(--ink-700);
}
.article-body > * + *{margin-top:1.4em;}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:800;
  margin-top:2em;padding-left:16px;position:relative;color:var(--ink-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:1.05em;
  background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:20px;font-weight:700;margin-top:1.8em;color:var(--ink-900);}
.article-body h4{font-size:17px;font-weight:600;margin-top:1.5em;color:var(--ink-900);}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(15,77,58,.3);text-underline-offset:3px;}
.article-body a:hover{text-decoration-color:var(--brand);}
.article-body strong{color:var(--ink-900);font-weight:700;}
.article-body ul,.article-body ol{padding-left:1.4em;}
.article-body ul li{list-style:none;position:relative;padding-left:.2em;}
.article-body ul li::before{
  content:"";position:absolute;left:-1em;top:.75em;width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.article-body ol{list-style:decimal;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body li + li{margin-top:.5em;}
.article-body blockquote{
  margin:1.8em 0;padding:20px 24px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-700);
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:12px;margin:1.8em auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{margin-top:12px;font-size:13px;color:var(--ink-300);text-align:center;line-height:1.6;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body table th,.article-body table td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;
}
.article-body table th{background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:14px;}
.article-body table tbody tr:nth-child(even){background:rgba(246,245,241,.7);}
.article-body table tbody tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0;}

.empty-state{
  margin:48px 0;padding:32px;
  border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--surface);text-align:center;
}
.empty-state p{color:var(--ink-500);font-size:15px;}
.empty-state .btn{margin-top:20px;}

/* ---------- 文末区 ---------- */
.article-foot{max-width:760px;margin:0 auto;padding-top:48px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .tag-label{font-size:13px;color:var(--ink-300);letter-spacing:.06em;}
.tag-row a{
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-500);
}
.tag-row a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

.source-box{
  margin-top:32px;padding:24px 26px;background:var(--brand-soft);
  border-radius:var(--r-md);font-size:14px;color:var(--ink-500);line-height:1.8;
}
.source-box strong{display:block;color:var(--brand);font-size:14px;font-weight:700;margin-bottom:6px;}

.related-block{margin-top:56px;}
.related-block h2{
  font-size:20px;font-weight:800;color:var(--ink-900);
  padding-bottom:16px;border-bottom:1px solid var(--line);
}
.related-list{margin-top:8px;}
.related-list li{border-bottom:1px solid var(--line);}
.related-list a{
  display:flex;align-items:flex-start;gap:16px;padding:20px 4px;
  transition:background-color .24s var(--ease),padding-left .24s var(--ease);
}
.related-list a:hover{background:var(--surface);padding-left:14px;}
.related-list .idx{
  font-size:14px;font-weight:900;color:var(--ink-300);
  font-variant-numeric:tabular-nums;flex:none;padding-top:3px;min-width:26px;
}
.related-list .rt{flex:1;min-width:0;}
.related-list .rt h3{font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.5;}
.related-list .rt p{margin-top:6px;font-size:13px;color:var(--ink-500);line-height:1.7;}
.related-list .rt .meta{margin-top:8px;font-size:12px;color:var(--ink-300);letter-spacing:.06em;}
.related-list .ico{width:18px;height:18px;color:var(--ink-300);flex:none;margin-top:6px;transition:transform .24s var(--ease),color .24s var(--ease);}
.related-list a:hover .ico{color:var(--brand);transform:translateX(4px);}

.prev-next{
  margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.prev-next a{
  display:flex;flex-direction:column;gap:8px;
  padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.prev-next a:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);}
.prev-next .pn-label{font-size:12px;letter-spacing:.08em;color:var(--ink-300);}
.prev-next .pn-title{
  font-size:15px;font-weight:700;color:var(--ink-900);line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.prev-next .pn-next{text-align:right;align-items:flex-end;}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:80px;
  background:var(--brand);color:#fff;border-radius:var(--r-lg);
  padding:48px 40px;display:flex;align-items:center;gap:40px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;border:1px solid rgba(255,255,255,.14);
}
.cta-band__text{flex:1;min-width:260px;position:relative;z-index:1;}
.cta-band__text h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3;}
.cta-band__text p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);line-height:1.8;}
.cta-band__chips{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.cta-band__chips span{
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.86);
  font-size:12px;letter-spacing:.06em;
}
.cta-band__action{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.cta-band__action .btn--primary{background:var(--accent);color:var(--brand-deep);}
.cta-band__action .btn--primary:hover{background:#bde33f;}
.cta-band__action .note{font-size:13px;color:rgba(255,255,255,.7);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--pad-y);
  background:var(--brand-deep);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.14);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px 32px;
  padding-bottom:56px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{
  width:42px;height:42px;border-radius:var(--r-md);flex:none;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:900;color:var(--accent);
}
.footer-brand__text{display:flex;flex-direction:column;line-height:1.25;}
.footer-brand__name{font-size:15px;font-weight:800;color:#fff;}
.footer-brand__sub{font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.1em;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:32ch;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.72);
}
.footer-social a:hover{border-color:var(--accent);color:var(--accent);}
.footer-social svg{width:17px;height:17px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-menu a{padding:0 9px;font-size:13.5px;}
  .countdown-chip{display:none;}
}
@media (max-width:1023px){
  :root{--pad-y:72px;}
  .nav-inner{height:64px;gap:16px;padding:0 16px;}
  .brand__sub{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    background:var(--surface);
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 16px 96px;margin:0;flex:none;
    overflow-y:auto;
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s var(--ease);
    border-top:1px solid var(--line);
  }
  .nav-menu.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto;}
  .nav-menu a{
    height:48px;padding:0 8px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;
  }
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{color:var(--brand);}
  .nav-menu::after{
    content:"进入登录入口";
    display:flex;align-items:center;justify-content:center;
    margin-top:20px;height:48px;border-radius:var(--r-pill);
    background:var(--brand);color:#fff;font-size:15px;font-weight:600;
    pointer-events:none;
  }
  .status-chip{display:none;}
  .cta-band{padding:40px 28px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 24px;}
}
@media (max-width:767px){
  :root{--pad-y:56px;}
  .container{padding:0 16px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .article-meta .share{margin-left:0;width:100%;}
  .prev-next{grid-template-columns:1fr;}
  .prev-next .pn-next{text-align:left;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .cta-band{border-radius:var(--r-md);}
  .related-list a{gap:12px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:479px){
  .article-head h1{font-size:26px;}
  .btn{height:46px;padding:0 20px;font-size:14px;}
  .breadcrumb{font-size:13px;}
}

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

/* roulang page: category1 */
:root{
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DA;
  --ink-900:#0B100D;
  --ink-700:#1E2420;
  --ink-500:#4C544E;
  --ink-300:#8C938D;
  --brand:#0F4D3A;
  --brand-deep:#072A1C;
  --brand-soft:#E7EFE9;
  --accent:#CBF24A;
  --warn:#FF6A2B;
  --ok:#2FA36B;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,16,13,.06);
  --sh-2:0 14px 34px -14px rgba(11,16,13,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--paper);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{max-width:1240px;margin:0 auto;padding:0 20px;width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.92);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  max-width:1240px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:24px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand__mark{
  width:42px;height:42px;border-radius:10px;background:var(--brand-deep);
  color:var(--accent);font-weight:900;font-size:17px;letter-spacing:-.02em;
  display:grid;place-items:center;flex:none;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:16px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap}
.brand__sub{font-size:11px;letter-spacing:.08em;color:var(--ink-300)}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-menu a{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-500);
  padding:6px 0;white-space:nowrap;transition:color .24s var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--accent);transition:width .24s var(--ease);
}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a:hover::after{width:20px}
.nav-menu a.is-active{color:var(--ink-900)}
.nav-menu a.is-active::after{width:20px}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;font-size:12px;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);border:1px solid #D5E3D9;
  padding:6px 12px;border-radius:var(--r-pill);white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(47,163,107,.55);animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(47,163,107,.5)}
  70%{box-shadow:0 0 0 7px rgba(47,163,107,0)}
  100%{box-shadow:0 0 0 0 rgba(47,163,107,0)}
}
.countdown-chip{
  font-size:12px;color:var(--ink-500);border:1px solid var(--line);
  background:var(--surface);padding:6px 12px;border-radius:var(--r-pill);white-space:nowrap;
}
.countdown-chip b{font-variant-numeric:tabular-nums;color:var(--ink-900);font-weight:700;margin-left:4px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;position:relative;cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:1.5px;background:var(--ink-900);content:"";transition:.24s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;padding:0 22px;height:48px;border-radius:var(--r-md);
  border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);white-space:nowrap;
}
.btn .ico{width:18px;height:18px;transition:transform .24s var(--ease)}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:hover .ico{transform:translateX(3px)}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn--accent{background:var(--accent);color:var(--brand-deep)}
.btn--accent:hover{background:#D8F96A;transform:translateY(-1px)}
.btn--sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}
.btn--link{
  height:auto;padding:0;background:none;color:var(--brand);font-weight:700;
  border:none;border-radius:0;
}
.btn--link:hover{color:var(--brand-deep)}
.btn--link:hover .ico{transform:translateX(4px)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--brand-deep);
  color:#fff;
  padding:72px 0 68px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.22;mix-blend-mode:luminosity;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,42,28,.55) 0%,rgba(7,42,28,.88) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--brand-deep);background:var(--accent);
  padding:5px 12px;border-radius:var(--r-sm);margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,3.6vw,44px);line-height:1.15;font-weight:900;
  letter-spacing:-.02em;color:#fff;
}
.page-hero h1 .hl{
  background-image:linear-gradient(transparent 62%,rgba(203,242,74,.55) 62%);
  background-repeat:no-repeat;background-size:100% 100%;
}
.page-hero .lead{
  margin-top:18px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.78);max-width:36ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;
  font-size:13px;color:rgba(255,255,255,.7);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span + span::before{
  content:"";width:1px;height:12px;background:rgba(255,255,255,.28);margin-right:6px;
}
.hero-meta i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.phone-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:14px;
  display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;
}
.phone-card__shot{
  border-radius:16px;overflow:hidden;aspect-ratio:9/16;background:#0b1a12;
}
.phone-card__shot img{width:100%;height:100%;object-fit:cover}
.phone-card__body h3{font-size:16px;font-weight:800;color:#fff;line-height:1.4}
.phone-card__body p{margin-top:8px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.72)}
.phone-card__tag{
  display:inline-block;margin-top:12px;font-size:11px;letter-spacing:.08em;
  color:var(--brand-deep);background:var(--accent);padding:4px 10px;border-radius:var(--r-sm);
}

/* ---------- anchor nav ---------- */
.anchor-wrap{
  position:sticky;top:72px;z-index:40;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:top .3s var(--ease);
}
.site-header.is-scrolled ~ .anchor-wrap{top:60px}
.anchor-nav{
  display:flex;gap:10px;overflow-x:auto;padding:12px 0;
  scrollbar-width:none;
}
.anchor-nav::-webkit-scrollbar{display:none}
.anchor-nav a{
  flex:none;font-size:13px;font-weight:600;color:var(--ink-500);
  border:1px solid var(--line);background:var(--surface);
  padding:8px 16px;border-radius:var(--r-pill);transition:all .24s var(--ease);
}
.anchor-nav a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.anchor-nav a.is-active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- section shell ---------- */
.section{padding:var(--sec-y) 0}
.section--tight{padding:64px 0}
.section-head{margin-bottom:32px;max-width:760px}
.section-head .kicker{
  font-size:12px;letter-spacing:.1em;font-weight:700;color:var(--brand);
  display:inline-block;margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,38px);line-height:1.15;font-weight:800;
  letter-spacing:-.02em;color:var(--ink-900);
}
.section-head p{margin-top:14px;color:var(--ink-500);font-size:16px;max-width:60ch}

/* ---------- steps ---------- */
.steps-layout{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start}
.steps-rail{position:sticky;top:150px}
.steps-rail__title{
  font-size:12px;letter-spacing:.1em;color:var(--ink-300);font-weight:700;margin-bottom:18px;
}
.steps-rail ol{display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--line)}
.steps-rail a{
  display:flex;align-items:center;gap:12px;
  padding:12px 0 12px 18px;font-size:14px;font-weight:600;color:var(--ink-500);
  border-left:2px solid transparent;margin-left:-1px;transition:all .24s var(--ease);
}
.steps-rail a b{
  font-size:12px;font-weight:900;font-variant-numeric:tabular-nums;
  color:var(--ink-300);letter-spacing:.02em;
}
.steps-rail a:hover{color:var(--brand)}
.steps-rail a.is-current{
  color:var(--brand-deep);border-left-color:var(--accent);
}
.steps-rail a.is-current b{color:var(--brand)}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;margin-bottom:20px;box-shadow:var(--sh-1);
  scroll-margin-top:150px;transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.step-card:hover{box-shadow:var(--sh-2);border-color:#D5E3D9}
.step-card__head{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.step-card__num{
  font-size:34px;font-weight:900;line-height:1;letter-spacing:-.03em;
  color:var(--brand-soft);font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:20px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.step-card p{color:var(--ink-500);font-size:15.5px}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.point-list li{
  display:flex;gap:10px;font-size:14.5px;color:var(--ink-700);line-height:1.7;
}
.point-list li svg{flex:none;width:18px;height:18px;margin-top:3px;color:var(--brand)}
.note-bar{
  margin-top:20px;display:flex;gap:12px;align-items:flex-start;
  background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;padding:14px 16px;
  font-size:14px;color:var(--brand-deep);line-height:1.7;
}
.note-bar svg{flex:none;width:18px;height:18px;margin-top:3px}

/* ---------- checklist ---------- */
.checklist-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.check-list{display:flex;flex-direction:column}
.check-item{
  display:flex;gap:16px;padding:22px 20px;border-bottom:1px solid var(--line);
  border-left:3px solid transparent;transition:all .28s var(--ease);
}
.check-item:first-child{border-top:1px solid var(--line)}
.check-item:hover{background:var(--surface);border-left-color:var(--accent)}
.check-item__num{
  font-size:26px;font-weight:900;line-height:1;color:var(--ink-300);
  font-variant-numeric:tabular-nums;flex:none;transition:color .28s var(--ease);
}
.check-item:hover .check-item__num{color:var(--brand)}
.check-item h4{font-size:16px;font-weight:700;color:var(--ink-900);margin-bottom:6px}
.check-item p{font-size:14.5px;color:var(--ink-500);line-height:1.7}
.check-aside{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.check-aside img{border-radius:var(--r-md);aspect-ratio:16/10;object-fit:cover;margin-bottom:20px}
.check-aside h3{font-size:18px;font-weight:800;color:var(--ink-900)}
.check-aside p{margin-top:10px;font-size:14.5px;color:var(--ink-500)}
.check-aside .mini-list{margin-top:18px;display:flex;flex-direction:column;gap:0}
.check-aside .mini-list li{
  display:flex;justify-content:space-between;gap:16px;
  font-size:14px;padding:12px 0;border-bottom:1px dashed var(--line);color:var(--ink-500);
}
.check-aside .mini-list li:last-child{border-bottom:0}
.check-aside .mini-list b{color:var(--ink-900);font-weight:700}

/* ---------- stat strip ---------- */
.stat-strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-cell{
  padding:28px 24px;border-right:1px solid var(--line);
}
.stat-cell:last-child{border-right:0}
.stat-cell b{
  display:block;font-size:30px;font-weight:900;letter-spacing:-.03em;
  color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-cell span{display:block;margin-top:8px;font-size:13.5px;color:var(--ink-500)}

/* ---------- troubleshoot ---------- */
.ts-layout{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:stretch}
.ts-media{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:340px;background:var(--brand-deep)}
.ts-media img{width:100%;height:100%;object-fit:cover;opacity:.72}
.ts-media__overlay{
  position:absolute;inset:auto 0 0 0;padding:26px;
  background:linear-gradient(180deg,rgba(7,42,28,0) 0%,rgba(7,42,28,.92) 100%);
  color:#fff;
}
.ts-media__overlay h3{font-size:20px;font-weight:800;line-height:1.35}
.ts-media__overlay p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78)}
.ts-list{display:flex;flex-direction:column;gap:14px}
.ts-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;transition:all .24s var(--ease);
}
.ts-item:hover{border-color:#CFDCD3;box-shadow:var(--sh-1);transform:translateY(-2px)}
.ts-item header{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.ts-item .tag{
  font-size:11px;letter-spacing:.08em;font-weight:700;padding:4px 10px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand);
}
.ts-item .tag--warn{background:#FFEDE4;color:#C24A14}
.ts-item h4{font-size:16.5px;font-weight:700;color:var(--ink-900)}
.ts-item p{font-size:14.5px;color:var(--ink-500);line-height:1.75}

/* ---------- faq ---------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  position:relative;overflow:hidden;transition:border-color .24s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;
  transition:transform .28s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-item.is-open{border-color:#CFDCD3}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:20px 22px;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;
}
.faq-item.is-open .faq-q{font-weight:800}
.faq-q svg{flex:none;width:20px;height:20px;color:var(--ink-300);transition:transform .28s var(--ease)}
.faq-item.is-open .faq-q svg{transform:rotate(180deg);color:var(--brand)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s var(--ease);
}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-500);line-height:1.8}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-deep);color:#fff;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.cta-grid h2{
  font-size:clamp(24px,2.8vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.2;
}
.cta-grid p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.76);max-width:56ch}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-badges span{
  font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);padding:5px 12px;
}
.cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.cta-side small{font-size:12.5px;color:rgba(255,255,255,.6)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-deep);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.14);padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand__mark{
  width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:var(--accent);font-weight:900;font-size:17px;display:grid;place-items:center;flex:none;
}
.footer-brand__text{display:flex;flex-direction:column;line-height:1.2}
.footer-brand__name{font-size:15.5px;font-weight:800;color:#fff}
.footer-brand__sub{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.5)}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:38ch}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  display:grid;place-items:center;color:rgba(255,255,255,.75);transition:all .24s var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--brand-deep)}
.footer-social svg{width:16px;height:16px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.66);display:inline-block;
  transition:all .24s var(--ease);
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.66)}
.footer-bottom a:hover{color:var(--accent)}
.back-top{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid rgba(255,255,255,.2);border-radius:var(--r-pill);
  padding:7px 14px;background:none;color:rgba(255,255,255,.8);cursor:pointer;
  font-size:12.5px;transition:all .24s var(--ease);
}
.back-top:hover{background:var(--accent);border-color:var(--accent);color:var(--brand-deep)}
.back-top svg{width:14px;height:14px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- mobile drawer ---------- */
@media (max-width:1023px){
  .nav-menu{
    position:fixed;inset:60px 0 0 0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:16px 20px 96px;margin:0;
    transform:translateX(100%);transition:transform .3s var(--ease);z-index:55;
    overflow-y:auto;
  }
  .nav-menu.is-open{transform:none}
  .nav-menu a{
    display:flex;align-items:center;min-height:44px;font-size:16px;
    border-bottom:1px solid var(--line);padding:0;
  }
  .nav-menu a::after{display:none}
  .nav-menu a.is-active{color:var(--brand);font-weight:800}
  .nav-toggle{display:block}
  .status-chip,.countdown-chip{display:none}
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--sec-y:80px}
  .hero-grid{gap:36px}
  .steps-layout{gap:32px}
}
@media (max-width:1023px){
  :root{--sec-y:72px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:56px 0 52px}
  .phone-card{max-width:520px}
  .steps-layout{grid-template-columns:1fr;gap:24px}
  .steps-rail{position:static}
  .steps-rail ol{
    flex-direction:row;overflow-x:auto;border-left:0;gap:8px;
    padding-bottom:8px;scrollbar-width:none;
  }
  .steps-rail ol::-webkit-scrollbar{display:none}
  .steps-rail a{
    flex:none;border-left:0;border:1px solid var(--line);border-radius:var(--r-pill);
    padding:8px 14px;margin:0;font-size:13px;background:var(--surface);
  }
  .steps-rail a.is-current{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
  .checklist-wrap{grid-template-columns:1fr;gap:32px}
  .ts-layout{grid-template-columns:1fr;gap:24px}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec-y:56px}
  .container{padding:0 16px}
  .page-hero h1{font-size:clamp(26px,7vw,32px)}
  .phone-card{grid-template-columns:96px 1fr;gap:14px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-cell{border-right:1px solid var(--line)}
  .stat-cell:nth-child(2n){border-right:0}
  .stat-cell:nth-child(n+3){border-top:1px solid var(--line)}
  .step-card{padding:24px 20px}
  .section-head h2{font-size:clamp(23px,6.4vw,28px)}
  .faq-q{font-size:15px;padding:18px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .brand__name{font-size:14.5px}
  .brand__sub{font-size:10px}
  .stat-strip{grid-template-columns:1fr}
  .stat-cell{border-right:0;border-top:1px solid var(--line)}
  .stat-cell:first-child{border-top:0}
  .phone-card{grid-template-columns:1fr}
  .phone-card__shot{max-width:200px;margin:0 auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DA;
  --ink-900:#0B100D;
  --ink-700:#1E2420;
  --ink-500:#4C544E;
  --ink-300:#8C938D;
  --brand:#0F4D3A;
  --brand-deep:#072A1C;
  --brand-soft:#E7EFE9;
  --accent:#CBF24A;
  --warn:#FF6A2B;
  --ok:#2FA36B;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,16,13,.06);
  --sh-2:0 14px 34px -14px rgba(11,16,13,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
.container{max-width:1240px;margin:0 auto;padding:0 20px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--paper{background:var(--paper);}
.section--surface{background:var(--surface);}
.section--dark{background:var(--brand-deep);color:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink-900);
}
.section--dark .section-head h2{color:#fff;}
.section-head p{margin-top:14px;color:var(--ink-500);font-size:16px;max-width:60ch;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 12px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(255,255,255,.10);color:var(--accent);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn--sm{height:40px;padding:0 16px;font-size:14px;}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--accent{background:var(--accent);color:var(--brand-deep);}
.btn--accent:hover{background:#d8fa66;transform:translateY(-1px);}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink-700);}
.btn--ghost:hover{background:var(--surface);border-color:var(--brand);color:var(--brand);}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.36);color:#fff;}
.btn--outline-light:hover{background:rgba(255,255,255,.10);border-color:#fff;}
.btn .ico{width:18px;height:18px;transition:transform .24s var(--ease);}
.btn:hover .ico{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);
  transition:gap .24s var(--ease),color .24s var(--ease);
}
.link-more:hover{gap:12px;color:var(--brand-deep);}
.link-more .ico{width:16px;height:16px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  padding:5px 10px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
}
.badge--accent{background:var(--accent);color:var(--brand-deep);}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--ink-500);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  height:var(--nav-h);
  background:rgba(246,245,241,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:height .28s var(--ease),background .28s var(--ease);
}
.site-header.is-shrink{height:60px;background:rgba(255,255,255,.94);}
.nav-inner{
  max-width:1240px;margin:0 auto;padding:0 20px;
  height:100%;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:var(--accent);
  display:grid;place-items:center;
  font-size:14px;font-weight:900;letter-spacing:-.02em;
  transition:width .28s var(--ease),height .28s var(--ease);
}
.site-header.is-shrink .brand__mark{width:34px;height:34px;}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;white-space:nowrap;}
.brand__sub{font-size:11px;color:var(--ink-300);letter-spacing:.06em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-menu a{
  position:relative;display:inline-block;
  padding:6px 0;font-size:14.5px;font-weight:600;color:var(--ink-700);
  transition:color .24s var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:2px;background:var(--accent);
  transition:width .24s var(--ease);
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a:hover::after{width:20px;}
.nav-menu a.is-active{color:var(--brand);font-weight:800;}
.nav-menu a.is-active::after{width:20px;}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--surface);border:1px solid var(--line);
  padding:6px 12px;border-radius:var(--r-pill);
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(47,163,107,.5);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(47,163,107,.5);}
  70%{box-shadow:0 0 0 8px rgba(47,163,107,0);}
  100%{box-shadow:0 0 0 0 rgba(47,163,107,0);}
}
.countdown-chip{
  font-size:12.5px;font-weight:600;color:var(--ink-500);
  background:var(--surface);border:1px solid var(--line);
  padding:6px 12px;border-radius:var(--r-pill);
  font-variant-numeric:tabular-nums;
}
.countdown-chip b{color:var(--brand);font-weight:800;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:var(--surface);border-radius:var(--r-sm);cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;top:50%;
  width:18px;height:2px;background:var(--ink-900);
  transform:translate(-50%,-50%);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0;}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0;}

/* ---------- 分类页头 ---------- */
.page-head{
  position:relative;
  padding:72px 0 56px;
  color:#fff;
  background:
    linear-gradient(180deg,rgba(7,42,28,.90),rgba(7,42,28,.76)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(255,255,255,.14);
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:rgba(255,255,255,.62);margin-bottom:24px;
}
.crumb a{transition:color .24s var(--ease);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:rgba(255,255,255,.32);}
.crumb .current{color:rgba(255,255,255,.86);}
.page-head__grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:end;
}
.page-head h1{
  font-size:clamp(32px,4.6vw,54px);
  line-height:1.08;font-weight:900;letter-spacing:-.02em;color:#fff;
}
.page-head h1 em{
  font-style:normal;
  background-image:linear-gradient(transparent 62%,rgba(203,242,74,.42) 62%);
  background-repeat:no-repeat;background-size:100% 100%;
}
.page-head__sub{
  margin-top:18px;font-size:17px;line-height:1.75;
  color:rgba(255,255,255,.78);max-width:52ch;
}
.page-head__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.page-head__tags .badge{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.18);}
.page-head__card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:24px;
}
.page-head__card h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;}
.page-head__card ul{display:grid;gap:10px;}
.page-head__card li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(255,255,255,.78);line-height:1.6;
}
.page-head__card li .ico{width:16px;height:16px;color:var(--accent);flex-shrink:0;margin-top:4px;}

/* 锚点导航 */
.anchor-bar{
  display:flex;gap:10px;overflow-x:auto;
  padding:16px 20px;margin:0 auto;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-bar a{
  flex:0 0 auto;
  font-size:13.5px;font-weight:700;color:var(--ink-500);
  padding:8px 16px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  transition:all .24s var(--ease);
}
.anchor-bar a:hover{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 筛选徽章行 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:20px 0 8px;
}
.filter-bar .label{
  font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--ink-300);
  margin-right:4px;
}
.filter-chip{
  font-size:13px;font-weight:700;color:var(--ink-700);
  background:var(--surface);border:1px solid var(--line);
  padding:8px 16px;border-radius:var(--r-pill);
  cursor:default;
  transition:all .24s var(--ease);
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);}
.filter-chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 交替图文条 ---------- */
.rows{display:grid;gap:0;margin-top:24px;}
.row-feature{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
  padding:48px 0;border-bottom:1px solid var(--line);
  scroll-margin-top:96px;
}
.row-feature:last-child{border-bottom:0;}
.row-feature--rev .row-feature__media{order:2;}
.row-feature__media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--brand-deep);
  aspect-ratio:4/3;
}
.row-feature__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s var(--ease);
}
.row-feature:hover .row-feature__media img{transform:scale(1.04);}
.row-feature__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,42,28,0) 45%,rgba(7,42,28,.72) 100%);
}
.row-feature__tag{
  position:absolute;left:16px;top:16px;z-index:2;
  font-size:12px;font-weight:800;letter-spacing:.08em;
  background:var(--accent);color:var(--brand-deep);
  padding:6px 12px;border-radius:var(--r-pill);
}
.row-feature__meta{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;
  color:#fff;font-size:13.5px;font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.row-feature__meta .ico{width:16px;height:16px;color:var(--accent);}
.row-feature__body h3{
  font-size:clamp(20px,2.2vw,26px);font-weight:800;letter-spacing:-.01em;
  color:var(--ink-900);margin-bottom:14px;
}
.row-feature__body p{color:var(--ink-500);font-size:16px;margin-bottom:14px;max-width:60ch;}
.row-feature__list{display:grid;gap:10px;margin:20px 0 22px;}
.row-feature__list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--ink-700);line-height:1.65;
}
.row-feature__list .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  flex-shrink:0;margin-top:9px;
}

/* ---------- 通行路线节点 ---------- */
.path-wrap{position:relative;margin-top:48px;}
.path{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;
}
.path::before{
  content:"";position:absolute;top:27px;left:8%;right:8%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.path-item{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;}
.path-num{
  width:56px;height:56px;border-radius:50%;
  background:var(--surface);border:2px solid var(--brand);
  display:grid;place-items:center;
  font-size:16px;font-weight:900;color:var(--brand);
  font-variant-numeric:tabular-nums;
  transition:all .28s var(--ease);
}
.path-item:hover .path-num{background:var(--accent);border-color:var(--accent);color:var(--brand-deep);}
.path-item h4{font-size:17px;font-weight:800;color:var(--ink-900);}
.path-item p{font-size:14px;color:var(--ink-500);line-height:1.7;max-width:30ch;}
.section--dark .path-item h4{color:#fff;}
.section--dark .path-item p{color:rgba(255,255,255,.72);}
.section--dark .path-num{background:transparent;border-color:rgba(255,255,255,.34);color:#fff;}
.section--dark .path-item:hover .path-num{background:var(--accent);border-color:var(--accent);color:var(--brand-deep);}
.section--dark .path::before{background:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 8px,transparent 8px 16px);}

/* ---------- 核对清单 ---------- */
.checklist{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
  margin-top:32px;
}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.check-item:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);}
.check-item .ico{width:20px;height:20px;color:var(--brand);flex-shrink:0;margin-top:3px;}
.check-item h4{font-size:16px;font-weight:800;color:var(--ink-900);margin-bottom:6px;}
.check-item p{font-size:14px;color:var(--ink-500);line-height:1.7;}

/* ---------- 口碑条 ---------- */
.voices{background:var(--brand-deep);color:#fff;padding:36px 0;overflow:hidden;}
.voices__viewport{position:relative;overflow:hidden;}
.voices__track{
  display:flex;width:max-content;
  animation:marquee 40s linear infinite;
}
.voices__viewport:hover .voices__track{animation-play-state:paused;}
@keyframes marquee{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
.voice{
  display:flex;align-items:center;gap:16px;
  padding:0 28px;border-right:1px solid rgba(255,255,255,.14);
}
.voice__avatar{
  width:38px;height:38px;border-radius:50%;
  background:var(--brand);border:1px solid rgba(255,255,255,.2);
  display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--accent);
  flex-shrink:0;
}
.voice__name{font-size:14px;font-weight:800;color:#fff;white-space:nowrap;}
.voice__stars{font-size:12px;color:var(--accent);letter-spacing:2px;white-space:nowrap;}
.voice__text{font-size:14px;color:rgba(255,255,255,.78);white-space:nowrap;}
.voice__src{
  font-size:11.5px;font-weight:700;letter-spacing:.06em;
  color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-pill);padding:3px 10px;white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  position:relative;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:10px;overflow:hidden;
  transition:border-color .24s var(--ease);
}
.faq-item.is-open{border-color:var(--brand);}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--ink-900);
  transition:font-weight .24s var(--ease);
}
.faq-item.is-open .faq-q{font-weight:800;}
.faq-q .ico{
  width:20px;height:20px;color:var(--brand);flex-shrink:0;
  transition:transform .28s var(--ease);
}
.faq-item.is-open .faq-q .ico{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a p{padding:0 20px 20px;color:var(--ink-500);font-size:15px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand);color:#fff;
  border-radius:var(--r-lg);
  padding:56px;
  display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;
}
.cta-band h2{
  font-size:clamp(24px,2.8vw,34px);font-weight:900;letter-spacing:-.02em;
  line-height:1.2;color:#fff;margin-bottom:14px;
}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;max-width:46ch;}
.cta-band__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-band__badges .badge{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.18);}
.cta-band__action{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-band__note{font-size:13px;color:rgba(255,255,255,.62);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);color:rgba(255,255,255,.7);
  padding:72px 0 0;margin-top:0;
  border-top:1px solid rgba(255,255,255,.14);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand__mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--accent);color:var(--brand-deep);
  display:grid;place-items:center;font-size:14px;font-weight:900;
}
.footer-brand__text{display:flex;flex-direction:column;line-height:1.2;}
.footer-brand__name{font-size:15px;font-weight:800;color:#fff;}
.footer-brand__sub{font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.06em;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:34ch;}
.footer-social{display:flex;gap:10px;margin-top:22px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;color:rgba(255,255,255,.72);
  transition:all .24s var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--brand-deep);}
.footer-social .ico{width:18px;height:18px;}
.footer-col h4{
  font-size:14px;font-weight:800;color:#fff;letter-spacing:.04em;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.66);
  transition:color .24s var(--ease),transform .24s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:#fff;
  border:1px solid rgba(255,255,255,.22);
  padding:8px 14px;border-radius:var(--r-pill);
  transition:all .24s var(--ease);
}
.to-top:hover{background:var(--accent);border-color:var(--accent);color:var(--brand-deep);}
.to-top .ico{width:14px;height:14px;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .section{padding:80px 0;}
  .nav-menu{gap:22px;}
  .countdown-chip{display:none;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-menu{
    position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:8px 20px 120px;
    transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease);
    overflow-y:auto;
  }
  .nav-menu.is-open{opacity:1;transform:none;pointer-events:auto;}
  .nav-menu a{
    height:44px;display:flex;align-items:center;
    font-size:16px;border-bottom:1px solid var(--line);
  }
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{color:var(--brand);}
  .nav-toggle{display:block;}
  .nav-right .btn--sm{display:none;}
  .status-chip{display:none;}
  .page-head{padding:56px 0 44px;}
  .page-head__grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .row-feature{grid-template-columns:1fr;gap:28px;padding:40px 0;}
  .row-feature--rev .row-feature__media{order:0;}
  .path{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .path::before{display:none;}
  .checklist{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .nav-inner{padding:0 16px;gap:12px;}
  .brand__sub{display:none;}
  .page-head{padding:44px 0 36px;}
  .page-head h1{font-size:clamp(28px,8vw,38px);}
  .page-head__sub{font-size:16px;}
  .anchor-bar{padding:14px 16px;}
  .rows{margin-top:8px;}
  .row-feature__media{aspect-ratio:16/10;}
  .path{grid-template-columns:1fr;}
  .path-item{flex-direction:row;gap:16px;align-items:flex-start;}
  .path-num{width:48px;height:48px;font-size:15px;flex-shrink:0;}
  .path-item p{max-width:none;}
  .cta-band{padding:32px 22px;border-radius:var(--r-md);}
  .faq-q{font-size:15.5px;padding:16px;}
  .faq-a p{padding:0 16px 18px;font-size:14.5px;}
  .voice{padding:0 18px;gap:12px;}
  .voice__text{font-size:13px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .site-footer{padding-top:56px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .page-head h1{font-size:26px;}
  .row-feature__body h3{font-size:20px;}
  .cta-band h2{font-size:22px;}
  .btn{width:100%;}
  .cta-band__action{width:100%;}
  .filter-chip{font-size:12px;padding:7px 12px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --paper:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DA;
  --ink-900:#0B100D;
  --ink-700:#1E2420;
  --ink-500:#4C544E;
  --ink-300:#8C938D;
  --brand:#0F4D3A;
  --brand-deep:#072A1C;
  --brand-soft:#E7EFE9;
  --accent:#CBF24A;
  --warn:#FF6A2B;
  --ok:#2FA36B;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,16,13,.06);
  --sh-2:0 14px 34px -14px rgba(11,16,13,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:var(--r-sm);}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,241,.92);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:saturate(160%) blur(8px);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px -18px rgba(11,16,13,.5);
}
.nav-inner{
  max-width:1240px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:24px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:40px;height:40px;border-radius:10px;
  background:var(--brand);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:900;letter-spacing:0;
  transition:transform .24s var(--ease);
}
.brand:hover .brand__mark{transform:translateY(-1px);}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:.01em;}
.brand__sub{font-size:11px;letter-spacing:.08em;color:var(--ink-300);}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-menu a{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:500;color:var(--ink-500);
  border-radius:var(--r-sm);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-menu a:hover{color:var(--ink-900);background:var(--brand-soft);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--ink-900);font-weight:700;}
.nav-menu a.is-active::after{transform:scaleX(1);width:20px;right:auto;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.status-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);padding:6px 12px;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(47,163,107,.55);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(47,163,107,.5);}
  70%{box-shadow:0 0 0 8px rgba(47,163,107,0);}
  100%{box-shadow:0 0 0 0 rgba(47,163,107,0);}
}
.countdown-chip{
  font-size:12px;letter-spacing:.06em;color:var(--ink-500);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 12px;
  background:var(--surface);
}
.countdown-chip b{font-variant-numeric:tabular-nums;color:var(--ink-900);font-weight:700;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;
}
.nav-toggle span{
  position:relative;display:block;width:20px;height:2px;background:var(--ink-900);border-radius:2px;
  transition:background .2s var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink-900);border-radius:2px;
  transition:transform .24s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn .ico{width:16px;height:16px;transition:transform .24s var(--ease);}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:hover .ico{transform:translateX(3px);}
.btn--ghost{background:transparent;color:var(--brand);border:1px solid var(--brand);}
.btn--ghost:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn--ghost:hover .ico{transform:translateX(3px);}
.btn--light{background:var(--accent);color:var(--brand-deep);}
.btn--light:hover{background:#d9fb6b;transform:translateY(-1px);}
.btn--sm{min-height:38px;padding:0 14px;font-size:13px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.link-arrow .ico{width:14px;height:14px;transition:transform .24s var(--ease);}
.link-arrow:hover .ico{transform:translateX(4px);}

/* ---------- 倒计时横幅 ---------- */
.promo-bar{
  background:var(--brand-deep);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.promo-inner{
  max-width:1240px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
}
.promo-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  background:var(--warn);color:#fff;border-radius:var(--r-sm);padding:4px 10px;
}
.promo-text{font-size:14px;color:rgba(255,255,255,.82);}
.promo-clock{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.7);
}
.promo-clock .units{
  font-variant-numeric:tabular-nums;font-weight:900;font-size:18px;
  color:var(--accent);letter-spacing:.04em;
}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(rgba(7,42,28,.86),rgba(7,42,28,.92)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;padding:72px 0 56px;
  border-bottom:1px solid var(--line);
}
.page-hero .crumbs{
  font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.page-hero .crumbs a{color:rgba(255,255,255,.78);}
.page-hero .crumbs a:hover{color:var(--accent);}
.page-hero .crumbs span.sep{color:rgba(255,255,255,.32);}
.page-hero .crumbs .now{color:rgba(255,255,255,.45);}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  background:var(--accent);color:var(--brand-deep);
  border-radius:var(--r-sm);padding:5px 12px;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.15;font-weight:900;
  letter-spacing:-.02em;color:#fff;margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  background-image:linear-gradient(transparent 62%,var(--accent) 62%);
  background-repeat:no-repeat;background-size:100% 100%;
  padding:0 2px;
}
.page-hero .lede{
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:52ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:16px;}

.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  aspect-ratio:9/13;
}
.hero-card img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.hero-card__body{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(transparent,rgba(7,42,28,.92) 62%);
}
.hero-card__body h3{color:#fff;font-size:19px;margin-bottom:6px;}
.hero-card__body p{color:rgba(255,255,255,.72);font-size:13px;line-height:1.7;}

/* 锚点导航 */
.anchor-bar{
  margin-top:36px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-bar a{
  flex:0 0 auto;
  display:inline-flex;align-items:center;min-height:40px;padding:0 16px;
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);
  font-size:13px;color:rgba(255,255,255,.82);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.anchor-bar a:hover{background:var(--accent);color:var(--brand-deep);border-color:var(--accent);}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--paper{background:var(--paper);}
.section--surface{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:700;
  color:var(--brand);background:var(--brand-soft);
  border-radius:var(--r-sm);padding:5px 10px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.2vw,38px);line-height:1.18;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-500);max-width:60ch;}
.section-head--split{
  max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
}

/* 加固要点清单 */
.checklist{
  display:grid;grid-template-columns:1fr 1fr;gap:0 40px;
}
.checklist__col:last-child{padding-top:32px;}
.check-item{
  position:relative;
  display:grid;grid-template-columns:88px 1fr;gap:20px;
  padding:26px 20px 26px 20px;border-top:1px solid var(--line);
  transition:background .24s var(--ease);
}
.check-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;
  transition:transform .3s var(--ease);
}
.check-item:hover{background:var(--surface);}
.check-item:hover::before{transform:scaleY(1);}
.check-item__num{
  font-size:38px;font-weight:900;line-height:1;letter-spacing:-.03em;
  color:var(--line);font-variant-numeric:tabular-nums;
  transition:color .24s var(--ease);
}
.check-item:hover .check-item__num{color:var(--accent);}
.check-item h3{font-size:19px;margin-bottom:8px;}
.check-item p{font-size:15px;color:var(--ink-500);margin-bottom:12px;}

/* 竖屏片段卡 */
.reel{
  display:flex;gap:16px;overflow-x:auto;padding:4px 0 18px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.reel::-webkit-scrollbar{display:none;}
.reel + .reel{margin-top:8px;}
.reel-card{
  position:relative;flex:0 0 auto;width:220px;
  aspect-ratio:9/16;border-radius:16px;overflow:hidden;
  background:var(--brand-deep);scroll-snap-align:start;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}
.reel-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.reel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.reel-card:hover img{transform:scale(1.04);}
.reel-card__dur{
  position:absolute;left:10px;top:10px;
  font-size:11px;font-variant-numeric:tabular-nums;color:#fff;
  background:rgba(11,16,13,.6);border-radius:var(--r-sm);padding:3px 7px;
}
.reel-card__tag{
  position:absolute;right:10px;top:10px;
  font-size:11px;letter-spacing:.06em;font-weight:700;
  background:var(--accent);color:var(--brand-deep);
  border-radius:var(--r-sm);padding:3px 8px;
}
.reel-card__foot{
  position:absolute;left:0;right:0;bottom:0;padding:16px 14px 14px;
  background:linear-gradient(transparent,rgba(7,42,28,.92) 70%);
}
.reel-card__foot h3{color:#fff;font-size:14px;line-height:1.5;font-weight:700;}
.reel-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  transition:width .45s var(--ease),height .45s var(--ease),background .3s var(--ease);
}
.reel-play svg{width:16px;height:16px;}
.reel-card:hover .reel-play{width:52px;height:52px;background:var(--accent);}
.reel-hint{font-size:13px;color:var(--ink-300);margin-top:6px;}

/* 配置对比清单 */
.compare{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);overflow:hidden;
}
.compare__head,.compare__row{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;
  align-items:center;gap:12px;padding:18px 24px;
}
.compare__head{
  background:var(--brand-soft);
  border-bottom:1px solid var(--line);
  font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--brand);
}
.compare__head span:not(:first-child){text-align:center;}
.compare__row{border-bottom:1px solid var(--line);transition:background .24s var(--ease);}
.compare__row:last-child{border-bottom:none;}
.compare__row:hover{background:#FBFAF7;}
.compare__item{display:flex;flex-direction:column;gap:4px;}
.compare__item b{font-size:15px;font-weight:700;color:var(--ink-900);}
.compare__item small{font-size:12px;color:var(--ink-300);}
.compare__cell{text-align:center;font-size:14px;color:var(--ink-500);}
.compare__yes{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
}
.compare__yes svg{width:14px;height:14px;}
.compare__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  background:#F2F1EC;color:var(--ink-300);
}
.compare__no svg{width:13px;height:13px;}
.compare__foot{
  padding:18px 24px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:#FBFAF7;
}
.compare__foot p{font-size:13px;color:var(--ink-500);}

/* 场景图文交替 */
.scene{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;
  padding:40px 0;border-top:1px solid var(--line);
}
.scene:last-child{border-bottom:1px solid var(--line);}
.scene--flip .scene__media{order:2;}
.scene--flip .scene__body{order:1;}
.scene__media{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:4/3;background:var(--brand-soft);
}
.scene__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.scene:hover .scene__media img{transform:scale(1.03);}
.scene__body h3{font-size:23px;margin-bottom:12px;}
.scene__body p{font-size:16px;color:var(--ink-500);margin-bottom:16px;}
.scene__meta{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:4px 12px;color:var(--ink-500);background:var(--surface);
}
.tag--accent{background:var(--accent);color:var(--brand-deep);border-color:var(--accent);}

/* 统计条 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:32px 24px;border-right:1px solid var(--line);}
.stat:last-child{border-right:none;}
.stat b{
  display:block;font-size:clamp(26px,3vw,36px);font-weight:900;
  color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat span{display:block;font-size:14px;color:var(--ink-500);margin-top:6px;}

/* FAQ */
.faq{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:10px;overflow:hidden;position:relative;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);transform:scaleY(0);transform-origin:top;
  transition:transform .28s var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-item.is-open{border-color:#D6D3C8;box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:font-weight .2s var(--ease);
}
.faq-item.is-open .faq-q{font-weight:800;}
.faq-q .chev{width:18px;height:18px;flex:0 0 auto;transition:transform .28s var(--ease);color:var(--brand);}
.faq-item.is-open .chev{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{
  padding:0 22px 20px;font-size:15px;color:var(--ink-500);line-height:1.8;
}

/* CTA 带 */
.cta-band{
  background:var(--brand-deep);color:#fff;border-top:1px solid rgba(255,255,255,.14);
}
.cta-inner{
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
  padding:64px 0;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.8vw,34px);margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:16px;max-width:56ch;}
.cta-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.cta-tags span{
  font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.8);
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:4px 12px;
}
.cta-right{display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
.cta-right small{font-size:13px;color:rgba(255,255,255,.55);}

/* 页脚 */
.site-footer{
  background:var(--brand-deep);color:#fff;
  border-top:1px solid rgba(255,255,255,.14);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand__mark{
  width:38px;height:38px;border-radius:10px;background:var(--accent);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:900;
}
.footer-brand__text{display:flex;flex-direction:column;line-height:1.2;}
.footer-brand__name{font-size:15px;font-weight:800;color:#fff;}
.footer-brand__sub{font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.5);}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;max-width:34ch;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.footer-social a:hover{background:var(--accent);color:var(--brand-deep);border-color:var(--accent);}
.footer-social svg{width:16px;height:16px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  display:inline-block;font-size:14px;color:rgba(255,255,255,.68);
  transition:color .24s var(--ease),transform .24s var(--ease);
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom .to-top{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.2);border-radius:var(--r-pill);padding:8px 16px;
  min-height:40px;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.footer-bottom .to-top:hover{background:var(--accent);color:var(--brand-deep);border-color:var(--accent);}
.footer-bottom .to-top svg{width:14px;height:14px;}

/* 滚动进入 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:36px;}
  .scene{gap:36px;}
}
@media (max-width:1023px){
  .nav-menu{
    position:fixed;inset:72px 0 0 0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:16px 20px 96px;overflow-y:auto;
    transform:translateX(100%);transition:transform .3s var(--ease);
    border-top:1px solid var(--line);
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{
    padding:0 12px;min-height:44px;display:flex;align-items:center;
    font-size:16px;border-bottom:1px solid var(--line);border-radius:0;
  }
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{color:var(--brand);}
  .nav-toggle{display:flex;}
  .status-chip,.countdown-chip{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-card{aspect-ratio:16/10;}
  .checklist{grid-template-columns:1fr;gap:0;}
  .checklist__col:last-child{padding-top:0;}
  .scene{grid-template-columns:1fr;gap:24px;}
  .scene--flip .scene__media{order:1;}
  .scene--flip .scene__body{order:2;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat:nth-child(2){border-right:none;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-inner{grid-template-columns:1fr;gap:24px;padding:56px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .reel-card{width:200px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-inner{padding:0 16px;}
  .page-hero{padding:52px 0 40px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .reel-card{width:168px;}
  .compare__head,.compare__row{
    grid-template-columns:1.6fr .8fr .8fr .8fr;
    padding:14px 16px;font-size:13px;gap:8px;
  }
  .compare__item b{font-size:14px;}
  .compare__item small{display:none;}
  .compare__foot{padding:16px;}
  .stat{padding:24px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:16px 16px;font-size:15px;}
  .faq-a p{padding:0 16px 16px;}
  .check-item{grid-template-columns:60px 1fr;gap:14px;padding:22px 12px;}
  .check-item__num{font-size:30px;}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:none;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:none;}
  .reel-card{width:152px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}