/* roulang page: index */
:root{
  --c-primary:#123B3A;
  --c-primary-deep:#0A2626;
  --c-primary-lit:#17514F;
  --c-accent:#C0683A;
  --c-accent-soft:#EADFD2;
  --c-bg:#F5F2EC;
  --c-surface:#FFFFFF;
  --c-ink:#1B2321;
  --c-ink-2:#5A6461;
  --c-line:#DED8CE;
  --c-success:#3F7D5B;
  --c-warn:#B98A2E;
  --c-error:#A8452F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,35,33,.05);
  --sh-2:0 10px 28px -14px rgba(18,35,33,.20);
  --sh-3:0 20px 44px -22px rgba(18,35,33,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1200px;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:96px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{font-family:var(--font-serif);color:var(--c-ink);margin:0;font-weight:600;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:var(--c-accent-soft);color:var(--c-ink);}

.container-custom{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
.text-ink2{color:var(--c-ink-2);}
.serif{font-family:var(--font-serif);font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:8px;font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.btn-brand{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-brand:hover{background:var(--c-primary-lit);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary);color:#fff;}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff;}
.btn-smq{min-height:42px;padding:0 18px;font-size:14px;border-radius:8px;}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:8px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);}
.icon-btn:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.icon-btn-light{border:1px solid rgba(255,255,255,.55);background:transparent;color:#fff;}
.icon-btn-light:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff;}

/* ---------- 徽章 / 标签 ---------- */
.badge-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-ink);font-size:12px;letter-spacing:.06em;line-height:1.8;white-space:nowrap;}
.badge-pill-solid{background:rgba(10,38,38,.72);color:#fff;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.16em;color:var(--c-accent);text-transform:uppercase;}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--c-accent);display:block;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary-deep);color:rgba(255,255,255,.78);font-size:13px;height:36px;display:flex;align-items:center;}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.topbar strong{color:#fff;font-weight:500;}
.topbar .tb-right{display:flex;align-items:center;gap:18px;}
.topbar .tb-right span{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:var(--c-bg);border-bottom:1px solid transparent;transition:box-shadow .2s var(--ease),border-color .2s var(--ease);}
.site-header.is-scrolled{box-shadow:var(--sh-1);border-bottom-color:var(--c-line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .2s var(--ease);}
.site-header.is-scrolled .nav-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--c-ink);}
.brand:hover{color:var(--c-primary);}
.brand-mark{width:30px;height:30px;color:var(--c-primary);flex:none;}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{position:relative;display:inline-block;padding:10px 0;font-size:15px;color:var(--c-ink);letter-spacing:.02em;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;background:var(--c-accent);transition:width .2s var(--ease);}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--c-primary-deep);color:#fff;padding:88px 0 96px;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(720px 420px at 88% 12%, rgba(192,104,58,.16), transparent 68%),
  radial-gradient(560px 380px at 6% 92%, rgba(23,81,79,.55), transparent 70%);
  pointer-events:none;}
.hero .container-custom{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,58fr) minmax(0,42fr);gap:56px;align-items:center;min-height:520px;}
.hero h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;letter-spacing:-.01em;color:#fff;margin-bottom:22px;}
.hero-sub{font-size:clamp(17px,1.4vw,20px);line-height:1.8;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:32px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{display:flex;flex-wrap:wrap;gap:20px;align-items:center;font-size:13px;color:rgba(255,255,255,.72);}
.trust-row span{display:inline-flex;align-items:center;gap:20px;}
.trust-row span:not(:last-child)::after{content:"";width:1px;height:14px;background:rgba(255,255,255,.28);display:block;}
.hero-visual{position:relative;}
.hero-figure{position:relative;border-radius:12px;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 28px 60px -30px rgba(0,0,0,.6);background:var(--c-accent-soft);}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-tag{position:absolute;left:16px;bottom:16px;background:var(--c-accent);color:#fff;font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-pill);}

/* ---------- 通用板块 ---------- */
.section{padding:110px 0;}
.section-tight{padding:84px 0;}
.section-alt{background:#EFE9DF;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;}
.section-head h2{font-size:clamp(23px,3vw,34px);line-height:1.3;margin-top:14px;}
.section-head p{color:var(--c-ink-2);font-size:15px;margin:10px 0 0;max-width:640px;}
.section-note{font-size:13px;color:var(--c-ink-2);letter-spacing:.04em;}

/* ---------- 卖点三连 ---------- */
.pillars{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;}
.pillars-head{position:sticky;top:112px;align-self:start;}
.pillars-head h2{font-size:clamp(23px,3vw,34px);line-height:1.3;margin:14px 0 14px;}
.pillars-head p{color:var(--c-ink-2);font-size:15px;}
.pillar-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:28px 20px 28px 0;border-bottom:1px solid var(--c-line);transition:transform .2s var(--ease),background-color .2s var(--ease);}
.pillar-item:first-child{border-top:1px solid var(--c-line);}
.pillar-num{font-family:var(--font-serif);font-size:28px;line-height:1.2;color:var(--c-accent);font-variant-numeric:tabular-nums;}
.pillar-item h3{font-size:19px;margin-bottom:8px;}
.pillar-item p{margin:0;color:var(--c-ink-2);font-size:15px;max-width:620px;}

/* ---------- 场景 bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;}
.bento-item{grid-column:span 6;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.bento-item.wide{grid-column:span 12;}
.bento-thumb{position:relative;overflow:hidden;background:var(--c-accent-soft);}
.bento-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.bento-item.wide .bento-thumb img{aspect-ratio:21/9;}
.bento-item .bento-thumb img{aspect-ratio:16/10;}
.bento-item.wide .bento-thumb img{aspect-ratio:21/9;}
.bento-cap{position:absolute;left:16px;top:16px;background:rgba(10,38,38,.72);color:#fff;font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-pill);}
.bento-body{padding:22px 24px 24px;}
.bento-body h3{font-size:18px;margin-bottom:8px;}
.bento-body p{margin:0;font-size:14px;color:var(--c-ink-2);}
.step-anchors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:40px;border-top:1px solid var(--c-line);}
.step-anchor{display:block;padding:22px 24px 22px 0;color:var(--c-ink);}
.step-anchor em{display:block;font-family:var(--font-serif);font-style:normal;font-size:13px;color:var(--c-accent);letter-spacing:.12em;margin-bottom:6px;}
.step-anchor strong{display:block;font-family:var(--font-serif);font-size:17px;font-weight:600;margin-bottom:4px;}
.step-anchor span{font-size:13px;color:var(--c-ink-2);}
.step-anchor:hover strong{color:var(--c-primary);}

/* ---------- 数据条 ---------- */
.stats{background:var(--c-primary);color:#fff;padding:72px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.stat{padding:0 28px;border-left:1px solid rgba(255,255,255,.16);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{font-family:var(--font-serif);font-size:clamp(38px,4.6vw,58px);line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;}
.stat-unit{font-family:var(--font-serif);font-size:18px;color:rgba(255,255,255,.8);margin-left:6px;}
.stat-label{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.7);}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px;}
.news-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);display:flex;flex-direction:column;}
.news-thumb{display:block;overflow:hidden;background:var(--c-accent-soft);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:17px;line-height:1.55;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--c-ink);background-image:linear-gradient(var(--c-accent),var(--c-accent));background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;transition:background-size .2s var(--ease);}
.news-title a:hover{color:var(--c-primary);background-size:100% 1px;}
.news-sum{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-2);padding-top:14px;border-top:1px solid var(--c-line);}
.news-meta .go{color:var(--c-primary);font-weight:500;}
.empty-box{grid-column:1 / -1;border:1.5px dashed var(--c-line);border-radius:var(--r-md);padding:56px 24px;text-align:center;background:var(--c-surface);}
.empty-box svg{width:36px;height:36px;color:var(--c-accent);margin-bottom:12px;}
.empty-box p{color:var(--c-ink-2);font-size:15px;margin:0 0 18px;}

/* ---------- 社会认同 ---------- */
.proof{background:var(--c-primary-deep);color:#fff;padding:100px 0;}
.proof-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start;}
.proof-quote{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);line-height:1.5;color:#fff;margin:0;}
.proof-quote::before{content:"“";color:var(--c-accent);margin-right:2px;}
.proof-quote::after{content:"”";color:var(--c-accent);}
.proof-list{display:grid;gap:0;}
.proof-item{padding:22px 0;border-top:1px solid rgba(255,255,255,.16);}
.proof-item:first-child{border-top:0;padding-top:0;}
.proof-item p{margin:0 0 8px;color:rgba(255,255,255,.86);font-size:15px;line-height:1.8;}
.proof-item span{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.04em;}
.proof-partners{margin-top:56px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16);display:flex;flex-wrap:wrap;gap:14px 40px;font-size:14px;color:rgba(255,255,255,.55);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;}
.faq-head{position:sticky;top:112px;align-self:start;}
.faq-head h2{font-size:clamp(23px,3vw,34px);margin:14px 0 14px;line-height:1.3;}
.faq-head p{color:var(--c-ink-2);font-size:15px;}
.accordion-item{background:transparent;border:0;border-top:1px solid var(--c-line);}
.accordion-item:last-child{border-bottom:1px solid var(--c-line);}
.accordion-button{position:relative;width:100%;background:transparent;border:0;border-radius:0;box-shadow:none;font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;padding:22px 56px 22px 0;min-height:52px;transition:color .2s var(--ease);}
.accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none;}
.accordion-button:hover{color:var(--c-primary);}
.accordion-button:focus,.accordion-button:focus-visible{box-shadow:none;border-color:transparent;outline:2px solid var(--c-accent);outline-offset:-2px;}
.accordion-button::before,.accordion-button::after{content:"";position:absolute;right:12px;top:50%;background:var(--c-accent);background-image:none;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.accordion-button::before{width:14px;height:2px;transform:translateY(-50%);}
.accordion-button::after{width:2px;height:14px;transform:translateY(-50%);}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.accordion-body{padding:0 48px 24px 0;font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- 底部转化区 ---------- */
.cta-section{position:relative;color:#fff;padding:104px 0;background:var(--c-primary-deep) url("/assets/images/backpic/back-3.png") center/cover no-repeat;}
.cta-section::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,38,38,.94),rgba(10,38,38,.9));}
.cta-section .container-custom{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start;}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.32;margin-bottom:20px;}
.cta-points li{position:relative;padding-left:22px;margin-bottom:12px;color:rgba(255,255,255,.82);font-size:15px;}
.cta-points li::before{content:"";position:absolute;left:0;top:.85em;width:12px;height:1.5px;background:var(--c-accent);}
.form-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:32px;color:var(--c-ink);}
.form-panel h3{font-size:20px;margin-bottom:6px;}
.form-panel .form-hint{font-size:13px;color:var(--c-ink-2);margin-bottom:22px;}
.form-field{margin-bottom:22px;}
.form-field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:4px;letter-spacing:.04em;transition:color .2s var(--ease);}
.form-field:focus-within label{color:var(--c-primary);}
.form-control-line,.form-select-line{display:block;width:100%;border:0;border-bottom:1px solid var(--c-line);background:transparent;padding:9px 0;font-size:15px;color:var(--c-ink);border-radius:0;box-shadow:none;transition:border-color .2s var(--ease),padding-bottom .2s var(--ease);}
.form-control-line:focus,.form-select-line:focus{outline:none;border-bottom:2px solid var(--c-primary);padding-bottom:8px;}
.form-select-line{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235A6461' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 2px center;background-size:12px 8px;padding-right:22px;}
.form-control-area{border:1px solid var(--c-line);border-radius:8px;background:transparent;width:100%;padding:10px 12px;font-size:15px;color:var(--c-ink);resize:vertical;min-height:96px;transition:border-color .2s var(--ease);}
.form-control-area:focus{outline:none;border-color:var(--c-primary);}
.field-msg{display:none;font-size:12px;margin-top:6px;line-height:1.6;}
.form-field.is-error .form-control-line,.form-field.is-error .form-select-line{border-bottom-color:var(--c-error);}
.form-field.is-error .field-msg{display:block;color:var(--c-error);}
.form-field.is-ok .field-msg{display:block;color:var(--c-success);}
.form-privacy{font-size:12px;color:var(--c-ink-2);margin:14px 0 0;line-height:1.7;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.7);padding:76px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;}
.footer-col{padding:0 28px;}
.footer-col:first-child{padding-left:0;}
.footer-col:not(:first-child){border-left:1px solid rgba(255,255,255,.14);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{color:#fff;}
.footer-col p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;margin:0 0 12px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-contact li{margin-bottom:10px;color:rgba(255,255,255,.72);}
.footer-contact strong{color:#fff;font-weight:500;}
.qr-box{width:120px;height:120px;border:1px solid rgba(255,255,255,.18);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05);color:rgba(255,255,255,.6);font-size:12px;text-align:center;line-height:1.6;padding:10px;}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 34px;display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{display:none;}
/* ---------- 底部固定转化条 ---------- */
.cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:1045;background:var(--c-primary-deep);color:#fff;min-height:64px;display:flex;align-items:center;box-shadow:0 -10px 30px -20px rgba(0,0,0,.7);}
.cta-bar .inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.cta-bar p{margin:0;font-size:14px;color:rgba(255,255,255,.78);}
.cta-bar .actions{display:flex;align-items:center;gap:12px;}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.hero-anim{opacity:0;transform:translateY(16px);animation:heroIn .7s var(--ease) forwards;}
.hero-anim.d1{animation-delay:.06s;}
.hero-anim.d2{animation-delay:.14s;}
.hero-anim.d3{animation-delay:.22s;}
.hero-anim.d4{animation-delay:.3s;}
.hero-figure{opacity:0;animation:figIn .8s var(--ease) .2s forwards;}
@keyframes heroIn{to{opacity:1;transform:none;}}
@keyframes figIn{from{opacity:0;transform:scale(1.02);}to{opacity:1;transform:none;}}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container-custom{padding:0 28px;}
}
@media (max-width:991.98px){
  body{padding-bottom:150px;}
  .topbar{display:none;}
  .nav-links,.nav-actions .btn{display:none;}
  .nav-inner{height:64px;}
  .site-header.is-scrolled .nav-inner{height:58px;}
  .brand{font-size:17px;}
  .brand-mark{width:26px;height:26px;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;}
  .hero-sub{margin-bottom:26px;}
  .hero-cta .btn{flex:1 1 46%;}
  .trust-row{gap:12px;font-size:12.5px;}
  .trust-row span{gap:12px;}
  .section{padding:64px 0;}
  .section-tight{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px;}
  .pillars{grid-template-columns:1fr;gap:32px;}
  .pillars-head{position:static;}
  .pillar-item{grid-template-columns:44px 1fr;gap:14px;padding:22px 0;}
  .pillar-num{font-size:22px;}
  .bento-item{grid-column:span 12;}
  .bento-item.wide .bento-thumb img,.bento-item .bento-thumb img{aspect-ratio:16/10;}
  .step-anchors{grid-template-columns:1fr;}
  .step-anchor{border-top:1px solid var(--c-line);padding:18px 0;}
  .step-anchors{border-top:0;}
  .stats{padding:52px 0;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;}
  .stat{padding:0 20px;border-left:1px solid rgba(255,255,255,.16);}
  .stat:nth-child(odd){border-left:0;padding-left:0;}
  .stat:nth-child(even){padding-left:20px;}
  .news-grid{grid-template-columns:1fr;gap:24px;}
  .proof{padding:64px 0;}
  .proof-grid{grid-template-columns:1fr;gap:36px;}
  .proof-partners{margin-top:36px;gap:12px 24px;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-head{position:static;}
  .cta-section{padding:64px 0;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .form-panel{padding:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0;}
  .footer-col{padding:0 20px;}
  .footer-col:nth-child(odd){padding-left:0;border-left:0;}
  .footer-bottom{margin-top:36px;}
  .mobile-tab{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1060;background:#fff;border-top:1px solid var(--c-line);box-shadow:0 -8px 24px -16px rgba(18,35,33,.45);height:62px;padding-bottom:env(safe-area-inset-bottom);}
  .mobile-tab a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--c-ink-2);position:relative;min-height:44px;letter-spacing:.02em;}
  .mobile-tab a svg{width:20px;height:20px;stroke-width:1.6;}
  .mobile-tab a.active{color:var(--c-primary);font-weight:600;}
  .mobile-tab a.active::before{content:"";position:absolute;top:0;width:30px;height:2px;background:var(--c-accent);border-radius:2px;}
  .cta-bar{min-height:48px;bottom:calc(62px + env(safe-area-inset-bottom));border-bottom:1px solid rgba(255,255,255,.16);box-shadow:none;}
  .cta-bar p{display:none;}
  .cta-bar .inner{justify-content:center;gap:12px;padding:8px 0;}
  .cta-bar .actions{gap:10px;}
  .cta-bar .btn{min-height:38px;padding:0 16px;font-size:14px;}
}
@media (max-width:575.98px){
  .container-custom{padding:0 20px;}
  .hero h1{font-size:29px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{flex:1 1 100%;}
  .news-body{padding:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col{padding:0;border-left:0;}
  .footer-col:not(:first-child){border-top:1px solid rgba(255,255,255,.14);padding-top:24px;}
  .stat-num{font-size:36px;}
}
@media (hover:hover){
  .bento-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
  .bento-item:hover .bento-thumb img{transform:scale(1.03);}
  .pillar-item:hover{transform:translateX(4px);background:var(--c-surface);}
  .news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
  .news-card:hover .news-thumb img{transform:scale(1.03);}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  .hero-anim,.hero-figure{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --c-primary:#123B3A;
  --c-primary-deep:#0A2626;
  --c-accent:#C0683A;
  --c-accent-soft:#EADFD2;
  --c-bg:#F5F2EC;
  --c-surface:#FFFFFF;
  --c-ink:#1B2321;
  --c-ink-2:#5A6461;
  --c-line:#DED8CE;
  --c-ok:#3F7D5B;
  --c-warn:#B98A2E;
  --c-err:#A8452F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,35,33,.05);
  --sh-2:0 10px 28px -14px rgba(18,35,33,.20);
  --sh-3:0 20px 44px -22px rgba(18,35,33,.28);
  --ease:200ms cubic-bezier(.2,.7,.2,1);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0 0 1.15em}
h1{font-size:clamp(28px,4.2vw,46px);line-height:1.22}
h2{font-size:clamp(23px,3vw,34px);line-height:1.3}
h3{font-size:20px;line-height:1.45}
::selection{background:var(--c-accent-soft);color:var(--c-primary-deep)}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

.container-custom{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:767.98px){.container-custom{padding:0 20px}}

/* 顶部信息条 */
.topbar{background:var(--c-primary-deep);color:rgba(255,255,255,.86);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:36px;line-height:36px;white-space:nowrap;overflow:hidden}
.topbar a{color:#fff;border-bottom:1px solid rgba(255,255,255,.35)}
.topbar a:hover{border-bottom-color:#fff}
@media (max-width:991.98px){.topbar{display:none}}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(245,242,236,.94);border-bottom:1px solid transparent;transition:background-color var(--ease),box-shadow var(--ease),border-color var(--ease)}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height var(--ease)}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--c-primary-deep);font-family:var(--font-serif)}
.brand-mark{width:30px;height:30px;color:var(--c-accent);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{position:relative;font-size:15px;color:var(--c-ink);padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--c-accent);transition:width var(--ease)}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:var(--r-md);color:var(--c-primary);background:#fff;transition:background-color var(--ease),color var(--ease),transform var(--ease),border-color var(--ease)}
.icon-btn:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);transform:translateY(-2px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:8px;border:1.5px solid transparent;transition:background-color var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);text-decoration:none;line-height:1}
.btn-brand{background:var(--c-primary);color:#fff;height:48px;padding:0 26px;font-size:15px}
.btn-brand:hover{background:#17514F;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0)}
.btn-smq{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);height:48px;padding:0 26px}
.btn-ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);height:44px;padding:0 22px;font-size:14px}
.btn-white:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-actions .btn-brand{display:none}
}

/* 阅读进度 */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--c-accent);z-index:1060;transition:width 80ms linear}

/* 面包屑 */
.crumbs{padding:26px 0 0;font-size:14px;color:var(--c-ink-2)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--c-line);font-weight:400}
.crumbs a{color:var(--c-ink-2);border-bottom:1px solid transparent}
.crumbs a:hover{color:var(--c-primary);border-bottom-color:var(--c-accent)}
.crumbs .current{color:var(--c-ink-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}
@media (max-width:575.98px){.crumbs .current{max-width:180px}}

/* 文章头部 */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--c-line)}
.badge-pill{display:inline-block;font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-primary-deep);font-weight:600}
.article-head h1{margin:16px 0 18px;max-width:900px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--c-ink-2);padding:14px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);min-height:44px}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);display:inline-block}

/* 布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;padding:52px 0 96px;align-items:start}
.article-body{min-width:0}

/* 正文排版 */
.article-content{max-width:760px;font-size:16px;line-height:1.9;letter-spacing:.01em;overflow-wrap:anywhere}
.article-content>p:first-of-type{font-size:17px;color:#26302D}
.article-content h2{font-size:clamp(22px,2.4vw,27px);line-height:1.42;margin:2.4em 0 .8em;padding-left:14px;position:relative}
.article-content h2::before{content:"";position:absolute;left:0;top:.34em;width:3px;height:20px;background:var(--c-accent);border-radius:2px}
.article-content h3{font-size:20px;margin:1.8em 0 .6em}
.article-content h4{font-size:17px;margin:1.5em 0 .5em;color:var(--c-primary)}
.article-content a{color:var(--c-primary);border-bottom:1px solid var(--c-accent);padding-bottom:1px}
.article-content a:hover{color:var(--c-accent);border-bottom-width:2px}
.article-content ul,.article-content ol{margin:0 0 1.25em;padding:0}
.article-content ul{list-style:none}
.article-content ul>li{position:relative;padding-left:20px;margin-bottom:8px}
.article-content ul>li::before{content:"";position:absolute;left:2px;top:.82em;width:8px;height:2px;background:var(--c-accent)}
.article-content ol{list-style:none;counter-reset:olitem}
.article-content ol>li{counter-increment:olitem;position:relative;padding-left:28px;margin-bottom:8px}
.article-content ol>li::before{content:counter(olitem) ".";position:absolute;left:0;top:0;color:var(--c-accent);font-weight:700;font-family:var(--font-serif)}
.article-content blockquote{margin:1.6em 0;padding:16px 20px;background:var(--c-accent-soft);border-left:2px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#28322F}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:8px;margin:1.8em auto;box-shadow:var(--sh-1)}
.article-content table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;background:#fff}
.article-content th{background:var(--c-primary);color:#fff;text-align:left;padding:12px 14px;font-weight:600}
.article-content td{padding:12px 14px;border-bottom:1px solid var(--c-line);vertical-align:top}
.article-content tbody tr:nth-child(even) td{background:var(--c-bg)}
.article-content code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;background:#EDE8DF;padding:2px 6px;border-radius:var(--r-sm)}
.article-content pre{background:var(--c-primary-deep);color:#E8F1EF;padding:18px 20px;border-radius:var(--r-md);overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0}
.article-content pre code{background:none;color:inherit;padding:0}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0}
@media (max-width:767.98px){
  .article-content table{display:block;width:100%;overflow-x:auto}
  .article-content table th,.article-content table td{white-space:nowrap}
}

/* 空态 */
.empty-state{max-width:760px;border:1.5px dashed var(--c-line);border-radius:var(--r-lg);padding:56px 28px;text-align:center;background:#fff}
.empty-state .empty-mark{width:52px;height:52px;margin:0 auto 16px;border-radius:var(--r-pill);display:flex;align-items:center;justify-content:center;background:var(--c-accent-soft);color:var(--c-primary-deep)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:20px}
.empty-state .empty-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* 文章底部 */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;padding:28px 0 0;margin-top:36px;border-top:1px solid var(--c-line)}
.tag-pill{display:inline-block;font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:var(--c-primary-deep)}
.article-foot-head{font-family:var(--font-serif);font-size:20px;font-weight:600;margin:56px 0 20px}
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.rel-card{display:flex;gap:14px;align-items:center;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:14px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFC7B9}
.rel-card img{width:92px;aspect-ratio:4/3;object-fit:cover;border-radius:8px;flex:0 0 auto}
.rel-card .rel-title{font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.5;margin-bottom:4px}
.rel-card .rel-desc{font-size:13px;color:var(--c-ink-2);line-height:1.6;margin:0}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:36px}
.text-link{color:var(--c-primary);border-bottom:1px solid var(--c-primary);padding-bottom:2px;font-size:14px}
.text-link:hover{color:var(--c-accent);border-bottom-width:2px;border-color:var(--c-accent)}
@media (max-width:575.98px){.rel-grid{grid-template-columns:1fr}.rel-card img{width:76px}}

/* 侧栏 */
.article-side{position:sticky;top:96px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);margin-bottom:20px}
.side-card h3{font-family:var(--font-sans);font-size:14px;letter-spacing:.08em;font-weight:700;color:var(--c-ink-2);margin-bottom:14px}
.toc-list{list-style:none;margin:0;padding:0;max-height:340px;overflow:auto}
.toc-list a{display:block;font-size:14px;color:var(--c-ink-2);padding:7px 0 7px 12px;border-left:2px solid var(--c-line);line-height:1.6;transition:color var(--ease),border-color var(--ease)}
.toc-list a:hover,.toc-list a.active{color:var(--c-primary);border-left-color:var(--c-accent)}
.toc-list .lvl-3 a{padding-left:26px;font-size:13px}
.toc-empty{font-size:14px;color:var(--c-ink-2);margin:0}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-bottom:1px solid var(--c-line);padding:10px 0}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--c-ink)}
.side-list a:hover{color:var(--c-primary)}
.side-list .arrow{color:var(--c-accent)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-cta{background:var(--c-primary-deep);color:#fff;border-radius:var(--r-lg);padding:26px}
.side-cta h3{font-family:var(--font-serif);font-size:19px;color:#fff;margin-bottom:10px}
.side-cta p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px}

/* 转化区 */
.cta-band{background:var(--c-primary-deep);color:#fff;padding:76px 0;margin-top:8px}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:56px;align-items:start}
.cta-band h2{color:#fff;margin-bottom:16px}
.cta-band .lead{color:rgba(255,255,255,.75);font-size:16px;max-width:520px}
.cta-points{list-style:none;margin:26px 0 0;padding:0}
.cta-points li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points li::before{content:"";position:absolute;left:0;top:.75em;width:10px;height:2px;background:var(--c-accent)}
.form-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.form-panel h3{font-size:20px;margin-bottom:6px}
.form-panel .form-note{font-size:13px;color:var(--c-ink-2);margin-bottom:22px}
.field{margin-bottom:22px}
.field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:4px;transition:color var(--ease),transform var(--ease)}
.field input,.field select,.field textarea{width:100%;border:0;border-bottom:1px solid var(--c-line);background:transparent;padding:10px 0;font-size:15px;color:var(--c-ink);outline:none;border-radius:0;transition:border-color var(--ease)}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-ink-2) 50%),linear-gradient(135deg,var(--c-ink-2) 50%,transparent 50%);background-position:calc(100% - 14px) 18px,calc(100% - 9px) 18px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field textarea{resize:vertical;min-height:76px}
.field input:focus,.field select:focus,.field textarea:focus{border-bottom:2px solid var(--c-primary);padding-bottom:9px}
.field input:focus+label,.field select:focus+label{color:var(--c-primary)}
.field .msg{font-size:12px;margin-top:6px;display:none}
.field.is-error input,.field.is-error select{border-bottom-color:var(--c-err)}
.field.is-error .msg{display:block;color:var(--c-err)}
.field.is-ok input,.field.is-ok select{border-bottom-color:var(--c-ok)}
.field.is-ok .msg{display:block;color:var(--c-ok)}
.form-panel .btn-brand{width:100%;margin-top:4px}
.privacy{font-size:12px;color:var(--c-ink-2);margin:14px 0 0;line-height:1.7}
@media (max-width:991.98px){.cta-grid{grid-template-columns:1fr;gap:36px}}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:0}
.footer-col{padding:0 26px;border-left:1px solid rgba(255,255,255,.14)}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-col:last-child{padding-right:0}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{color:var(--c-accent)}
.footer-col h4{font-family:var(--font-sans);font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.04em}
.footer-col p{margin:0;line-height:1.85;max-width:320px}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.72);border-bottom:1px solid transparent}
.footer-links a:hover{color:#fff;border-bottom-color:var(--c-accent)}
.footer-contact li{margin-bottom:10px;line-height:1.7}
.footer-contact strong{color:#fff}
.qr-box{width:132px;height:132px;border:1px solid rgba(255,255,255,.22);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.7;color:rgba(255,255,255,.6);padding:12px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.3)}
.footer-bottom a:hover{color:#fff;border-bottom-color:#fff}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-col{padding:0 22px;border-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:26px}
  .footer-col:nth-child(-n+2){border-top:0;padding-top:0}
  .footer-col:first-child,.footer-col:nth-child(3){padding-left:0}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0;border-top:1px solid rgba(255,255,255,.14);padding-top:24px}
  .footer-col:first-child{border-top:0;padding-top:0}
}

/* 底部固定转化条 */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:1035;background:var(--c-primary-deep);color:#fff;height:64px;display:flex;align-items:center;border-top:1px solid rgba(255,255,255,.14)}
.sticky-cta .container-custom{display:flex;align-items:center;justify-content:space-between;gap:20px}
.sticky-cta .sticky-text{font-size:14px;color:rgba(255,255,255,.82)}
.sticky-cta .sticky-text strong{color:#fff}
.sticky-actions{display:flex;align-items:center;gap:12px}
.sticky-cta .icon-btn{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;width:40px;height:40px}
.sticky-cta .icon-btn:hover{background:#fff;color:var(--c-primary-deep)}
body{padding-bottom:64px}

/* 移动端底部 Tab */
.mobile-tabbar{display:none}
@media (max-width:991.98px){
  .sticky-cta{height:46px;bottom:calc(62px + env(safe-area-inset-bottom))}
  .sticky-cta .sticky-text{display:none}
  .sticky-cta .container-custom{justify-content:center}
  .sticky-cta .btn-brand{height:36px;padding:0 18px;font-size:14px}
  .sticky-cta .icon-btn{width:36px;height:36px}
  body{padding-bottom:calc(112px + env(safe-area-inset-bottom))}
  .mobile-tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1050;background:#fff;border-top:1px solid var(--c-line);box-shadow:0 -6px 18px -14px rgba(18,35,33,.4);height:calc(62px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}
  .mobile-tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--c-ink-2);position:relative}
  .mobile-tabbar a::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:var(--c-accent);transition:width var(--ease)}
  .mobile-tabbar a.active{color:var(--c-primary)}
  .mobile-tabbar a.active::before{width:28px}
  .mobile-tabbar svg{width:20px;height:20px}
}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms cubic-bezier(.2,.7,.2,1),transform 520ms cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}
@media (hover:hover){
  .rel-card:hover .rel-title{color:var(--c-primary)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* roulang page: category1 */
:root{
  --c-primary:#123B3A;
  --c-primary-deep:#0A2626;
  --c-primary-soft:#17514F;
  --c-accent:#C0683A;
  --c-accent-soft:#EADFD2;
  --c-bg:#F5F2EC;
  --c-surface:#FFFFFF;
  --c-ink:#1B2321;
  --c-ink-2:#5A6461;
  --c-line:#DED8CE;
  --c-success:#3F7D5B;
  --c-warn:#B98A2E;
  --c-error:#A8452F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,35,33,.05);
  --sh-2:0 10px 28px -14px rgba(18,35,33,.20);
  --sh-3:0 20px 44px -22px rgba(18,35,33,.28);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:200ms var(--ease);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  padding-bottom:84px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4,h5{font-family:var(--font-serif);font-weight:600;color:var(--c-ink);margin:0;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container-custom{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ---------- 顶部信息条 ---------- */
.top-strip{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.78);
  font-size:13px;
  letter-spacing:.02em;
}
.top-strip-inner{
  height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.top-strip-right{color:rgba(255,255,255,.62);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(245,242,236,.92);
  backdrop-filter:saturate(140%) blur(0px);
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.scrolled{
  background:#FBF9F5;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height var(--t);
}
.site-header.scrolled .nav-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--c-primary);
}
.brand:hover{color:var(--c-primary);}
.brand-mark{width:28px;height:28px;color:var(--c-accent);flex:none;}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--c-ink);
  padding:8px 0;
  min-height:44px;
  display:inline-flex;
  align-items:center;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:4px;
  width:0;height:2px;
  background:var(--c-accent);
  transition:width var(--t);
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after,
.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  color:var(--c-primary);
  background:var(--c-surface);
  transition:border-color var(--t),color var(--t),transform var(--t);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  background:var(--c-primary);
  color:#fff;
  border:1px solid var(--c-primary);
  border-radius:var(--r-sm);
  font-size:15px;
  letter-spacing:.02em;
  transition:background var(--t),transform var(--t),box-shadow var(--t),color var(--t);
}
.btn-brand:hover{
  background:var(--c-primary-soft);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-brand:active{transform:translateY(0);}
.btn-smq{height:42px;padding:0 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  background:transparent;
  color:var(--c-primary);
  border:1.5px solid var(--c-primary);
  border-radius:var(--r-sm);
  font-size:15px;
  transition:background var(--t),color var(--t),transform var(--t);
}
.btn-ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.btn-on-dark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 26px;
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.45);
  border-radius:var(--r-sm);
  font-size:15px;
  transition:background var(--t),color var(--t);
}
.btn-on-dark:hover{background:#fff;color:var(--c-primary-deep);}

/* ---------- 面包屑 ---------- */
.crumb-wrap{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  padding:16px 0;
  font-size:14px;
  color:var(--c-ink-2);
}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-line);}
.crumb .current{color:var(--c-ink-2);}

/* ---------- 分类页头 ---------- */
.page-head{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:64px 0 56px;
}
.page-head .eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-accent);
  border-left:3px solid var(--c-accent);
  padding-left:10px;
  margin-bottom:18px;
}
.page-head h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.2;
  letter-spacing:-.01em;
  max-width:760px;
}
.page-head .lede{
  margin-top:20px;
  max-width:720px;
  font-size:17px;
  color:var(--c-ink-2);
  line-height:1.9;
}
.head-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  background:var(--c-accent-soft);
  color:var(--c-primary-deep);
  border-radius:var(--r-pill);
  font-size:13px;
  letter-spacing:.02em;
}
.tag-line{
  display:inline-block;
  padding:6px 12px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--c-ink-2);
  background:var(--c-bg);
}

/* ---------- 文档式布局 ---------- */
.doc-section{padding:72px 0 96px;}
.doc-layout{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.doc-toc{
  position:sticky;
  top:104px;
  border-left:2px solid var(--c-line);
  padding-left:20px;
}
.doc-toc h2{
  font-size:14px;
  font-family:var(--font-sans);
  letter-spacing:.06em;
  color:var(--c-ink-2);
  margin-bottom:16px;
  font-weight:600;
}
.doc-toc a{
  display:block;
  padding:9px 0;
  font-size:14px;
  color:var(--c-ink-2);
  border-left:2px solid transparent;
  margin-left:-22px;
  padding-left:20px;
  transition:color var(--t),border-color var(--t);
}
.doc-toc a:hover{color:var(--c-primary);}
.doc-toc a.active{color:var(--c-primary);border-left-color:var(--c-accent);font-weight:600;}

.doc-block{
  padding-bottom:56px;
  margin-bottom:56px;
  border-bottom:1px solid var(--c-line);
}
.doc-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.doc-block h2{
  font-size:clamp(23px,2.6vw,30px);
  line-height:1.32;
  position:relative;
  padding-left:16px;
  margin-bottom:22px;
}
.doc-block h2::before{
  content:"";
  position:absolute;
  left:0;top:.36em;
  width:3px;height:20px;
  background:var(--c-accent);
}
.doc-block p{max-width:760px;color:var(--c-ink);}
.doc-block p.sub{color:var(--c-ink-2);font-size:15px;}

.bullet{
  margin:22px 0 0;
  max-width:760px;
}
.bullet li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  font-size:15px;
  color:var(--c-ink);
}
.bullet li::before{
  content:"";
  position:absolute;
  left:0;top:.85em;
  width:10px;height:1.5px;
  background:var(--c-accent);
}
.bullet li strong{font-weight:600;color:var(--c-primary-deep);}

.doc-figure{
  max-width:760px;
  margin:28px 0 0;
}
.doc-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-sm);
  border:1px solid var(--c-line);
}
.doc-figure figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--c-ink-2);
}

/* ---------- 表格 ---------- */
.table-scroll{
  overflow-x:auto;
  margin-top:26px;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  background:var(--c-surface);
}
.spec-table{
  width:100%;
  min-width:640px;
  border-collapse:collapse;
  font-size:14.5px;
}
.spec-table th{
  background:var(--c-primary);
  color:#fff;
  text-align:left;
  font-weight:600;
  padding:14px 18px;
  letter-spacing:.02em;
  white-space:nowrap;
}
.spec-table td{
  padding:14px 18px;
  border-top:1px solid var(--c-line);
  color:var(--c-ink);
  vertical-align:top;
}
.spec-table tbody tr:nth-child(even){background:#FAF8F4;}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:28px;
}
.step{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:24px 22px;
  transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step .num{
  font-family:var(--font-serif);
  font-size:20px;
  color:var(--c-accent);
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin:10px 0 8px;}
.step p{font-size:14px;color:var(--c-ink-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-section{
  background:var(--c-accent-soft);
  padding:88px 0;
  border-top:1px solid var(--c-line);
}
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:56px;
  align-items:start;
}
.faq-intro h2{font-size:clamp(23px,3vw,34px);line-height:1.3;}
.faq-intro p{margin-top:16px;color:var(--c-ink-2);font-size:15px;max-width:300px;}
.faq-accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-border-width:0;
  --bs-accordion-border-radius:0;
  --bs-accordion-inner-border-radius:0;
  --bs-accordion-btn-padding-x:0;
  --bs-accordion-btn-padding-y:20px;
  --bs-accordion-body-padding-x:0;
  --bs-accordion-body-padding-y:0;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-btn-color:var(--c-primary-deep);
  --bs-accordion-active-color:var(--c-accent);
  --bs-accordion-active-bg:transparent;
  --bs-accordion-btn-icon:none;
  --bs-accordion-btn-active-icon:none;
}
.faq-accordion .accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid rgba(18,35,33,.16);
}
.faq-accordion .accordion-item:last-child{border-bottom:1px solid rgba(18,35,33,.16);}
.faq-accordion .accordion-button{
  font-size:17px;
  font-weight:600;
  font-family:var(--font-sans);
  line-height:1.6;
  min-height:52px;
  color:var(--c-primary-deep);
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--c-accent);}
.faq-accordion .accordion-button::after{
  content:"";
  width:11px;height:11px;
  margin-left:auto;
  flex:none;
  background-image:none;
  border-right:1.6px solid var(--c-accent);
  border-bottom:1.6px solid var(--c-accent);
  transform:rotate(45deg);
  transition:transform var(--t);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  background-image:none;
  transform:rotate(225deg);
}
.faq-accordion .accordion-body{
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
  padding-bottom:22px;
  max-width:720px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-primary-deep);
  color:#fff;
  padding:80px 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:64px;
  align-items:start;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(23px,3vw,34px);
  line-height:1.32;
}
.cta-band .cta-lede{
  margin-top:16px;
  color:rgba(255,255,255,.72);
  font-size:15px;
  max-width:460px;
}
.cta-points{margin-top:26px;}
.cta-points li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  color:rgba(255,255,255,.86);
  font-size:15px;
}
.cta-points li::before{
  content:"";
  position:absolute;
  left:0;top:.85em;
  width:10px;height:1.5px;
  background:var(--c-accent);
}
.form-panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:32px;
}
.form-panel h3{
  font-size:19px;
  margin-bottom:6px;
  color:var(--c-ink);
}
.form-panel .form-note{
  font-size:13px;
  color:var(--c-ink-2);
  margin-bottom:22px;
}
.field{margin-bottom:22px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--c-ink-2);
  margin-bottom:6px;
  transition:color var(--t),transform var(--t);
}
.field input,
.field select,
.field textarea{
  width:100%;
  border:0;
  border-bottom:1px solid var(--c-line);
  background:transparent;
  padding:9px 0;
  font-size:15px;
  border-radius:0;
  transition:border-color var(--t);
}
.field textarea{resize:vertical;min-height:70px;}
.field select{
  appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--c-ink-2) 50%),linear-gradient(135deg,var(--c-ink-2) 50%,transparent 50%);
  background-position:calc(100% - 12px) 50%,calc(100% - 7px) 50%;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
  padding-right:28px;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-bottom:2px solid var(--c-primary);
  padding-bottom:8px;
}
.field:focus-within label{color:var(--c-primary);}
.field .msg{font-size:12px;margin-top:6px;display:none;}
.field.is-error input,.field.is-error select{border-bottom-color:var(--c-error);}
.field.is-error .msg{display:block;color:var(--c-error);}
.field.is-ok input,.field.is-ok select{border-bottom-color:var(--c-success);}
.privacy{font-size:12px;color:var(--c-ink-2);margin-top:14px;}
.form-panel .btn-brand{width:100%;margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.7);
  padding:72px 0 32px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
}
.footer-col{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.14);
}
.footer-col:first-child{border-left:0;padding-left:0;}
.footer-col:last-child{padding-right:0;}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{color:var(--c-accent);}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin:0;max-width:280px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-family:var(--font-sans);
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.7);}
.footer-links a:hover{color:#fff;}
.footer-contact li{margin-bottom:10px;color:rgba(255,255,255,.7);line-height:1.7;}
.footer-contact strong{color:#fff;font-weight:600;}
.qr-box{
  width:120px;height:120px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-sm);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.7;
  color:rgba(255,255,255,.6);
  padding:12px;
  background:rgba(255,255,255,.04);
}
.footer-bottom{
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:16px 32px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  background:var(--c-primary-deep);
  border-top:1px solid rgba(255,255,255,.14);
  color:#fff;
}
.sticky-cta .inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.sticky-cta .hint{font-size:14px;color:rgba(255,255,255,.82);}
.sticky-cta .acts{display:flex;align-items:center;gap:12px;}
.sticky-cta .icon-btn{
  background:transparent;
  border-color:rgba(255,255,255,.4);
  color:#fff;
}
.sticky-cta .icon-btn:hover{border-color:#fff;color:#fff;}
.sticky-cta .btn-brand{
  background:#fff;
  color:var(--c-primary-deep);
  border-color:#fff;
  height:40px;
  padding:0 20px;
  font-size:14px;
}
.sticky-cta .btn-brand:hover{background:var(--c-accent-soft);color:var(--c-primary-deep);}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1050;
  height:calc(62px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px -18px rgba(18,35,33,.4);
}
.mobile-tabbar .tabs{display:flex;height:62px;}
.tab-item{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  color:var(--c-ink-2);
  position:relative;
  min-height:44px;
}
.tab-item svg{width:20px;height:20px;}
.tab-item.active{color:var(--c-primary);}
.tab-item.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:28px;height:2px;
  background:var(--c-accent);
}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .doc-layout{grid-template-columns:200px minmax(0,1fr);gap:40px;}
}
@media (max-width:991.98px){
  .top-strip{display:none;}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .doc-toc{
    position:static;
    border-left:0;
    border-top:1px solid var(--c-line);
    border-bottom:1px solid var(--c-line);
    padding:20px 0;
  }
  .doc-toc a{margin-left:0;padding-left:0;border-left:0;border-bottom:1px solid transparent;}
  .doc-toc a.active{border-left:0;color:var(--c-accent);}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 0;}
  .footer-col:nth-child(3){border-left:0;padding-left:0;}
}
@media (max-width:767.98px){
  .container-custom{padding-left:20px;padding-right:20px;}
  .nav-links{display:none;}
  .nav-actions .btn-brand{display:none;}
  .nav-inner{height:60px;}
  .site-header.scrolled .nav-inner{height:56px;}
  .brand{font-size:17px;}
  .page-head{padding:44px 0 40px;}
  .doc-section{padding:48px 0 64px;}
  .doc-block{padding-bottom:40px;margin-bottom:40px;}
  .steps{grid-template-columns:minmax(0,1fr);}
  .faq-section{padding:56px 0;}
  .cta-band{padding:56px 0;}
  .form-panel{padding:24px 20px;}
  .site-footer{padding:56px 0 110px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px 0;}
  .footer-col{padding:0;border-left:0;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .sticky-cta{bottom:calc(62px + env(safe-area-inset-bottom));}
  .sticky-cta .inner{height:48px;}
  .sticky-cta .hint{display:none;}
  .sticky-cta .btn-brand{height:34px;padding:0 16px;font-size:13px;}
  .sticky-cta .icon-btn{width:36px;height:36px;}
  .mobile-tabbar{display:block;}
  body{padding-bottom:130px;}
}
@media (max-width:575.98px){
  .page-head h1{font-size:28px;}
  .doc-block h2{font-size:22px;}
  .head-tags{gap:8px;}
  .tag,.tag-line{font-size:12px;padding:6px 11px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition-duration:.01ms !important;}
}
@media (hover:none){
  .step:hover{transform:none;box-shadow:none;}
  .btn-brand:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#123B3A;
  --c-primary-hover:#17514F;
  --c-primary-deep:#0A2626;
  --c-accent:#C0683A;
  --c-accent-soft:#EADFD2;
  --c-bg:#F5F2EC;
  --c-surface:#FFFFFF;
  --c-ink:#1B2321;
  --c-ink-2:#5A6461;
  --c-line:#DED8CE;
  --c-success:#3F7D5B;
  --c-warn:#B98A2E;
  --c-error:#A8452F;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,35,33,.05);
  --sh-2:0 10px 28px -14px rgba(18,35,33,.20);
  --sh-3:0 20px 44px -22px rgba(18,35,33,.28);
  --ease:200ms cubic-bezier(.2,.7,.2,1);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  padding-bottom:84px;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-primary-hover);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--c-ink);margin:0;font-weight:600;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}

.container-custom{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1100;
  background:rgba(245,242,236,.94);
  border-bottom:1px solid transparent;
  transition:background-color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  background:rgba(245,242,236,.98);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
  transition:height var(--ease);
}
.site-header.is-scrolled .nav-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--c-primary);
}
.brand-mark{width:28px;height:28px;color:var(--c-accent);flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:6px 2px;
  font-size:15px;
  color:var(--c-ink-2);
  transition:color var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--c-accent);
  transition:width var(--ease);
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--c-primary);font-weight:500;}
.nav-links a.active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  color:var(--c-primary);
  background:transparent;
  transition:background-color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{background:var(--c-surface);border-color:var(--c-primary);transform:translateY(-2px);}

/* ---------- Buttons ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border-radius:8px;
  font-size:15px;font-weight:500;letter-spacing:.02em;
  transition:background-color var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  border:1.5px solid transparent;
  cursor:pointer;
}
.btn-brand{background:var(--c-primary);color:#fff;}
.btn-brand:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-brand.btn-smq,.btn-ghost.btn-smq{height:42px;padding:0 20px;font-size:14px;}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost.on-dark:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff;}
.btn-brand.on-dark{background:#fff;color:var(--c-primary-deep);}
.btn-brand.on-dark:hover{background:var(--c-accent-soft);color:var(--c-primary-deep);}

/* ---------- Breadcrumb ---------- */
.crumb-wrap{padding:26px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-line);}
.crumb .cur{color:var(--c-ink-2);}

/* ---------- Page Hero ---------- */
.page-hero{
  position:relative;
  margin-top:22px;
  min-height:420px;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-radius:var(--r-lg);
  background-image:linear-gradient(105deg,rgba(10,38,38,.90) 0%,rgba(10,38,38,.72) 52%,rgba(10,38,38,.45) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero-inner{padding:72px 56px;max-width:720px;}
.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(234,223,210,.16);
  border:1px solid rgba(255,255,255,.22);
  color:#F1EAE1;
  margin-bottom:22px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.2;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-hero p{
  font-size:clamp(16px,1.6vw,19px);
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:620px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.24);
  color:rgba(255,255,255,.85);
}

/* ---------- Section basics ---------- */
.section{padding:96px 0;}
.section-tight{padding:76px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(23px,3vw,34px);line-height:1.3;margin-bottom:14px;}
.section-head p{color:var(--c-ink-2);font-size:16px;}
.label-line{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.14em;color:var(--c-accent);
  margin-bottom:16px;font-weight:500;
}
.label-line::before{content:"";width:24px;height:1.5px;background:var(--c-accent);display:block;}

/* ---------- Scenes ---------- */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--c-line);
}
.scene:last-child{border-bottom:none;}
.scene-media{
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--sh-2);
  position:relative;
  background:var(--c-accent-soft);
}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 500ms cubic-bezier(.2,.7,.2,1);}
.scene-media:hover img{transform:scale(1.03);}
.scene-media .tagline{
  position:absolute;left:16px;bottom:16px;
  background:rgba(10,38,38,.78);
  color:#fff;
  font-size:12px;letter-spacing:.06em;
  padding:6px 14px;border-radius:var(--r-pill);
}
.scene-body h3{font-size:22px;margin-bottom:14px;}
.scene-body p{color:var(--c-ink-2);font-size:15.5px;}
.scene-body .mini-index{
  font-family:var(--font-serif);
  font-size:14px;color:var(--c-accent);
  letter-spacing:.1em;
  margin-bottom:10px;
  display:block;
}
.scene-list{margin-top:20px;}
.scene-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--c-ink);
  margin-bottom:10px;
}
.scene-list li::before{
  content:"";
  position:absolute;left:0;top:.78em;
  width:10px;height:1.5px;background:var(--c-accent);
}
.scene.reverse .scene-media{order:2;}
.scene.reverse .scene-body{order:1;}

/* ---------- Stat strip ---------- */
.stat-strip{
  background:var(--c-accent-soft);
  border-radius:var(--r-lg);
  padding:44px 24px;
  margin-top:8px;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  text-align:center;
  padding:0 16px;
  border-right:1px solid rgba(27,35,33,.14);
}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-family:var(--font-serif);
  font-variant-numeric:tabular-nums;
  font-size:clamp(34px,4vw,54px);
  line-height:1.1;
  color:var(--c-primary);
  letter-spacing:-.01em;
}
.stat-num small{font-size:.45em;margin-left:4px;letter-spacing:.04em;}
.stat-label{font-size:14px;color:var(--c-ink-2);margin-top:12px;}

/* ---------- Feature list ---------- */
.feature-block{margin-top:12px;}
.feature-cols{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  column-gap:56px;
  row-gap:0;
}
.feature-item{
  display:flex;
  gap:20px;
  padding:26px 18px 26px 4px;
  border-top:1px solid var(--c-line);
  transition:transform var(--ease),background-color var(--ease);
}
.feature-item:hover{transform:translateX(4px);background:var(--c-surface);}
.feature-no{
  font-family:var(--font-serif);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  color:var(--c-accent);
  line-height:1.2;
  flex:0 0 auto;
  padding-top:2px;
}
.feature-item h3{font-size:18px;margin-bottom:8px;}
.feature-item p{font-size:14.5px;color:var(--c-ink-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-side{position:sticky;top:104px;}
.faq-side h2{font-size:clamp(23px,3vw,32px);margin-bottom:14px;}
.faq-side p{color:var(--c-ink-2);font-size:15px;}
.accordion-item{
  background:transparent;
  border:none;
  border-top:1px solid var(--c-line);
  border-radius:0;
}
.accordion-item:last-child{border-bottom:1px solid var(--c-line);}
.accordion-button{
  background:transparent;
  box-shadow:none;
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:500;
  color:var(--c-ink);
  padding:22px 42px 22px 0;
  border-radius:0 !important;
  transition:color var(--ease);
  min-height:56px;
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none;}
.accordion-button:hover{color:var(--c-primary);}
.accordion-button::after{
  background-image:none;
  content:"";
  position:absolute;
  right:8px;
  top:50%;
  width:12px;height:12px;
  margin-top:-6px;
  border-right:1.6px solid var(--c-accent);
  border-bottom:1.6px solid var(--c-accent);
  transform:rotate(45deg);
  transition:transform var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(225deg);}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.accordion-body{
  padding:0 40px 24px 0;
  font-size:15px;
  line-height:1.8;
  color:var(--c-ink-2);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-primary-deep);
  color:#fff;
  padding:72px 0;
}
.cta-band-inner{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:48px;
  align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(23px,3vw,32px);margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;max-width:560px;}
.cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px 24px;}
.cta-points li{font-size:14px;color:rgba(255,255,255,.82);position:relative;padding-left:18px;}
.cta-points li::before{content:"";position:absolute;left:0;top:.8em;width:10px;height:1.5px;background:var(--c-accent);}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
.cta-phone{font-size:14px;color:rgba(255,255,255,.7);}
.cta-phone strong{color:#fff;font-family:var(--font-serif);font-size:17px;letter-spacing:.02em;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.7);
  padding:64px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr 1fr;
  gap:32px;
}
.footer-col{padding-right:24px;}
.footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.14);padding-left:32px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-size:18px;font-weight:700;
  color:#fff;margin-bottom:16px;
}
.footer-brand .brand-mark{color:var(--c-accent);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-family:var(--font-sans);font-weight:500;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.7);transition:color var(--ease);}
.footer-links a:hover{color:#fff;}
.footer-contact li{margin-bottom:10px;color:rgba(255,255,255,.7);}
.footer-contact strong{color:#fff;font-weight:500;}
.qr-box{
  border:1px dashed rgba(255,255,255,.3);
  border-radius:var(--r-md);
  padding:24px 16px;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.7);
  line-height:1.9;
}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:12px 32px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Fixed CTA bar ---------- */
.fixed-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  height:64px;
  background:var(--c-primary-deep);
  border-top:1px solid rgba(255,255,255,.14);
  z-index:1200;
}
.fixed-cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:100%;
}
.fixed-cta-inner p{
  margin:0;
  color:rgba(255,255,255,.78);
  font-size:14px;
}
.fixed-cta-inner p strong{color:#fff;font-weight:500;}
.fixed-cta-actions{display:flex;align-items:center;gap:12px;}
.fixed-cta .btn-brand{height:42px;padding:0 20px;font-size:14px;background:#fff;color:var(--c-primary-deep);}
.fixed-cta .btn-brand:hover{background:var(--c-accent-soft);color:var(--c-primary-deep);}
.fixed-cta .icon-btn-on-dark{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-sm);
  color:#fff;
  transition:background-color var(--ease),color var(--ease);
}
.fixed-cta .icon-btn-on-dark:hover{background:#fff;color:var(--c-primary-deep);}

/* ---------- Mobile tab ---------- */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  height:calc(62px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:#fff;
  border-top:1px solid var(--c-line);
  box-shadow:0 -6px 18px -12px rgba(18,35,33,.35);
  z-index:1300;
}
.mobile-tab ul{display:flex;height:62px;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  position:relative;
  height:100%;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:4px;
  font-size:11px;
  color:var(--c-ink-2);
}
.mobile-tab a svg{width:20px;height:20px;stroke-width:1.6;}
.mobile-tab a.active{color:var(--c-primary);}
.mobile-tab a.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:28px;height:2px;
  background:var(--c-accent);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 600ms cubic-bezier(.2,.7,.2,1),transform 600ms cubic-bezier(.2,.7,.2,1);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container-custom{padding-left:28px;padding-right:28px;}
}
@media (max-width:991px){
  body{padding-bottom:126px;}
  .nav-links{display:none;}
  .nav-actions .btn-brand{display:none;}
  .nav-inner{height:60px;}
  .site-header.is-scrolled .nav-inner{height:58px;}
  .mobile-tab{display:block;}
  .fixed-cta{bottom:calc(62px + env(safe-area-inset-bottom));height:48px;border-top:1px solid rgba(255,255,255,.22);}
  .fixed-cta-inner p{display:none;}
  .fixed-cta-inner{justify-content:flex-end;}
  .fixed-cta .btn-brand{height:38px;padding:0 18px;}
  .fixed-cta .icon-btn-on-dark{width:38px;height:38px;}
  .section{padding:68px 0;}
  .section-tight{padding:56px 0;}
  .page-hero{min-height:360px;border-radius:var(--r-md);}
  .page-hero-inner{padding:52px 34px;}
  .scene{grid-template-columns:1fr;gap:24px;padding:36px 0;}
  .scene.reverse .scene-media{order:0;}
  .scene.reverse .scene-body{order:0;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .cta-band-inner{grid-template-columns:1fr;gap:32px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 24px;}
  .footer-col + .footer-col{border-left:none;padding-left:0;}
  .footer-col{padding-right:0;}
}
@media (max-width:767px){
  .stat-grid{grid-template-columns:1fr 1fr;gap:28px 0;}
  .stat-item{border-right:none;}
  .stat-item:nth-child(odd){border-right:1px solid rgba(27,35,33,.14);}
  .feature-cols{grid-template-columns:1fr;column-gap:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (max-width:575px){
  .container-custom{padding-left:20px;padding-right:20px;}
  body{font-size:15.5px;}
  .page-hero-inner{padding:40px 22px;}
  .page-hero{margin-top:16px;}
  .section{padding:56px 0;}
  .btn-brand,.btn-ghost{height:46px;padding:0 20px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .stat-strip{padding:32px 14px;}
}

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