/* roulang page: index */
:root{
  --ink-900:#07131A;
  --ink-800:#0B1F2A;
  --ink-700:#0E2836;
  --surface:#0D222D;
  --surface-soft:#0B1B25;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --cyan:#35E0C8;
  --cyan-soft:rgba(53,224,200,.12);
  --gold:#F2B84B;
  --gold-soft:rgba(242,184,75,.14);
  --text:#E6F1F4;
  --muted:#94AEB8;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-card:0 18px 48px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-soft:0 10px 28px rgba(0,0,0,.28);
  --container:1180px;
  --nav-h:68px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  background:
    radial-gradient(900px 480px at 84% -8%, rgba(53,224,200,.07), transparent 62%),
    radial-gradient(720px 420px at -6% 8%, rgba(242,184,75,.045), transparent 60%),
    linear-gradient(180deg,#07131A 0%,#081821 42%,#07131A 100%);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:72px 72px;
  opacity:.55;
  -webkit-mask-image:radial-gradient(1100px 620px at 50% 0%, #000 0%, transparent 78%);
  mask-image:radial-gradient(1100px 620px at 50% 0%, #000 0%, transparent 78%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease, border-color .2s ease, background-color .2s ease, transform .2s ease}
a:hover{color:var(--cyan)}
p{margin:0 0 1em}
h1,h2,h3,h4{font-weight:700;line-height:1.35;margin:0;color:var(--text);letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}
.container{max-width:var(--container);padding-left:24px;padding-right:24px;position:relative;z-index:1}
.section{padding:78px 0;position:relative;scroll-margin-top:96px}
.section-tight{padding:60px 0}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(7,19,26,.74);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-nav{position:relative;padding:0}
.nav-inner{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:var(--nav-h);
  flex-wrap:nowrap;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text);
}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg, rgba(53,224,200,.28), rgba(53,224,200,.06));
  border:1px solid rgba(53,224,200,.42);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18), 0 6px 18px rgba(53,224,200,.14);
  color:var(--cyan);
  flex-shrink:0;
}
.brand-text{
  font-size:clamp(.94rem,1.6vw,1.05rem);
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.navbar-collapse{flex:1 1 auto;display:flex;align-items:center;justify-content:space-between;gap:18px}
.nav-links{display:flex;align-items:center;gap:6px;flex-direction:row}
.nav-links .nav-link{
  position:relative;
  padding:8px 14px;
  font-size:.92rem;
  color:#B9CED6;
  border-radius:8px;
  white-space:nowrap;
}
.nav-links .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links .nav-link.active{color:var(--cyan)}
.nav-links .nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,200,.6);
}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-toggle{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  color:var(--muted);
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.search-toggle:hover{border-color:rgba(53,224,200,.5);color:var(--cyan);background:rgba(53,224,200,.08)}
.nav-search{display:none}
.nav-search.is-open{display:block}
.nav-search input{
  width:220px;
  height:38px;
  background:rgba(4,14,20,.85);
  border:1px solid var(--line-strong);
  border-radius:12px;
  color:var(--text);
  font-size:.875rem;
  padding:0 14px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search input::placeholder{color:#6D8892}
.nav-search input:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:.68rem 1.35rem;
  font-size:.925rem;
  font-weight:600;
  color:#D8FFF8;
  background:linear-gradient(180deg, rgba(15,44,56,.95), rgba(9,27,36,.95));
  border:1px solid rgba(53,224,200,.55);
  border-radius:var(--radius-sm);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16), 0 8px 24px rgba(53,224,200,.14);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
  white-space:nowrap;
  cursor:pointer;
}
.btn-glow:hover{
  color:#EAFFFB;
  border-color:rgba(53,224,200,.9);
  transform:translateY(-1px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22), 0 12px 30px rgba(53,224,200,.24);
}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:.68rem 1.35rem;
  font-size:.925rem;
  font-weight:600;
  color:#CDE4EA;
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);
  transition:border-color .2s ease, color .2s ease, background-color .2s ease, transform .2s ease;
  white-space:nowrap;
  cursor:pointer;
}
.btn-ghost:hover{
  color:var(--text);
  border-color:rgba(53,224,200,.55);
  background:rgba(53,224,200,.07);
  transform:translateY(-1px);
}
.btn-sm-nav{padding:.5rem 1rem;font-size:.85rem}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.04);
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  cursor:pointer;
  margin-left:auto;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:#B9CED6;transition:background-color .2s ease}
.nav-toggle:hover span{background:var(--cyan)}

/* ---------- Hero ---------- */
.hero{padding:46px 0 76px;position:relative}
.hero-grid{display:grid;grid-template-columns:52fr 48fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.78rem;
  letter-spacing:.08em;
  color:#8FE9DC;
  padding:.34rem .82rem;
  border-radius:999px;
  background:rgba(53,224,200,.09);
  border:1px solid rgba(53,224,200,.26);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(53,224,200,.9);
}
.hero h1{
  font-size:clamp(2.2rem,4vw,3.4rem);
  line-height:1.24;
  margin:18px 0 18px;
  letter-spacing:-.02em;
}
.hero-sub{
  font-size:1.02rem;
  color:var(--muted);
  max-width:36em;
  margin:0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badges li{
  font-size:.8rem;
  color:#A9C4CC;
  padding:.38rem .82rem;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.hero-visual{
  position:relative;
  min-height:440px;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.hero-visual-img{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(7,19,26,.92) 0%, rgba(7,19,26,.55) 48%, rgba(7,19,26,.38) 100%),
             linear-gradient(0deg, rgba(7,19,26,.72) 0%, transparent 55%);
}
.hero-glass{
  position:absolute;
  z-index:2;
  left:22px;right:22px;bottom:22px;
  padding:18px 20px 14px;
  border-radius:16px;
  background:rgba(11,31,42,.58);
  border:1px solid rgba(255,255,255,.15);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 18px 40px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.12);
}
.hero-glass-head{
  display:flex;align-items:center;gap:8px;
  font-size:.8rem;
  letter-spacing:.06em;
  color:#9FE7DC;
  margin-bottom:12px;
}
.hero-glass-head i{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px rgba(53,224,200,.85);
  display:inline-block;
}
.hero-glass ul{display:grid;gap:8px}
.hero-glass li{
  display:flex;
  justify-content:space-between;
  gap:14px;
  font-size:.82rem;
  padding-bottom:8px;
  border-bottom:1px dashed rgba(255,255,255,.1);
}
.hero-glass li:last-child{border-bottom:none;padding-bottom:0}
.hero-glass .k{color:#8FAAB4}
.hero-glass .v{color:#D7ECF1;font-weight:600}
.hero-glass-note{
  margin:12px 0 0;
  font-size:.75rem;
  color:#7E9AA4;
  line-height:1.6;
}

/* ---------- 通用标题 ---------- */
.section-head{max-width:760px;margin-bottom:38px}
.section-label{
  display:inline-block;
  font-size:.76rem;
  letter-spacing:.14em;
  color:var(--gold);
  margin-bottom:10px;
}
.section-title{
  font-size:clamp(1.5rem,2.2vw,2.1rem);
  line-height:1.36;
  margin:0 0 12px;
}
.section-desc{
  color:var(--muted);
  font-size:.96rem;
  margin:0;
  max-width:46em;
}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:44px;align-items:start}
.pain-lead{
  padding:28px 26px;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg, rgba(13,34,45,.85), rgba(9,24,33,.85));
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.pain-lead h3{font-size:1.15rem;margin-bottom:12px}
.pain-lead p{color:var(--muted);font-size:.92rem;margin:0}
.pain-list{display:grid;gap:14px}
.pain-item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  padding:20px 22px;
  border-radius:var(--radius-md);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.pain-item:hover{
  transform:translateY(-3px);
  border-color:rgba(53,224,200,.3);
  box-shadow:0 20px 44px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.1);
}
.pain-index{
  width:30px;height:30px;
  border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.8rem;font-weight:700;
  color:var(--gold);
  background:var(--gold-soft);
  border:1px solid rgba(242,184,75,.32);
}
.pain-item h4{font-size:1rem;margin:0 0 6px}
.pain-item p{font-size:.88rem;color:var(--muted);margin:0;line-height:1.75}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  left:0;right:0;top:42px;
  height:1px;
  background:linear-gradient(90deg, rgba(53,224,200,.36), rgba(255,255,255,.07) 70%, transparent);
}
.step-card{
  position:relative;
  z-index:1;
  padding:26px 20px 22px;
  border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.step-card:hover{
  transform:translateY(-3px);
  border-color:rgba(53,224,200,.3);
}
.step-num{
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  font-size:.78rem;
  font-weight:700;
  color:var(--gold);
  background:rgba(242,184,75,.15);
  border:1px solid rgba(242,184,75,.45);
  margin-bottom:14px;
}
.step-card h4{font-size:1rem;margin:0 0 8px}
.step-card p{font-size:.87rem;color:var(--muted);margin:0 0 14px;line-height:1.75}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.74rem;
  letter-spacing:.02em;
  padding:.2rem .64rem;
  border-radius:999px;
  background:var(--cyan-soft);
  color:#7DF0DF;
  border:1px solid rgba(53,224,200,.26);
}
.tag-gold{background:var(--gold-soft);color:#F6CB7C;border-color:rgba(242,184,75,.3)}

/* ---------- 指标 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{
  padding:26px 22px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg, rgba(16,40,52,.92), rgba(10,25,34,.92));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, border-color .25s ease;
}
.metric-card:hover{transform:translateY(-3px);border-color:rgba(53,224,200,.3)}
.metric-key{
  font-size:.76rem;
  letter-spacing:.12em;
  color:var(--muted);
  margin-bottom:12px;
}
.metric-val{
  font-size:1.28rem;
  font-weight:700;
  color:#F2FBFC;
  margin-bottom:10px;
  letter-spacing:.01em;
}
.metric-desc{font-size:.84rem;color:var(--muted);margin:0;line-height:1.75}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  display:grid;
  grid-template-columns:172px 1fr;
  gap:16px;
  padding:14px;
  border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.news-card:hover{
  transform:translateY(-3px);
  border-color:rgba(53,224,200,.3);
  box-shadow:0 20px 44px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.1);
}
.news-thumb{
  aspect-ratio:16/10;
  border-radius:14px;
  overflow:hidden;
  background:linear-gradient(135deg,#0d2432,#0a1a24);
  border:1px solid rgba(255,255,255,.06);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0;display:flex;flex-direction:column}
.news-title{
  font-size:1rem;
  font-weight:600;
  line-height:1.55;
  margin:0 0 6px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-summary{
  font-size:.85rem;
  color:var(--muted);
  line-height:1.7;
  margin:0 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:auto;
  font-size:.78rem;
  color:#7E9AA4;
}
.news-empty{
  padding:52px 26px;
  text-align:center;
  border-radius:var(--radius-lg);
  border:1px dashed rgba(255,255,255,.18);
  background:rgba(13,34,45,.55);
}
.news-empty .empty-icon{
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan);
  background:rgba(53,224,200,.1);
  border:1px solid rgba(53,224,200,.28);
}
.news-empty h3{font-size:1.02rem;margin-bottom:8px}
.news-empty p{font-size:.88rem;color:var(--muted);margin:0 0 18px}

/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.quote-card{
  padding:28px 26px;
  border-radius:var(--radius-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, border-color .25s ease;
}
.quote-card:hover{transform:translateY(-3px);border-color:rgba(53,224,200,.28)}
.quote-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.quote-avatar{
  width:40px;height:40px;
  border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  font-size:.86rem;font-weight:700;
  color:#9FF3E6;
  background:rgba(53,224,200,.12);
  border:1px solid rgba(53,224,200,.34);
  flex-shrink:0;
}
.quote-name{font-size:.92rem;font-weight:600;color:#DCEFF3}
.quote-role{font-size:.78rem;color:var(--muted)}
.quote-text{
  font-size:.94rem;
  color:#CBE0E7;
  margin:0 0 16px;
  line-height:1.8;
}
.quote-source{
  font-size:.78rem;
  color:#7E9AA4;
  padding-top:14px;
  border-top:1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md) !important;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-soft);
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-header{margin:0}
.faq .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:1rem;
  font-weight:600;
  padding:18px 22px;
  box-shadow:none;
  border-radius:0;
  line-height:1.6;
}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--cyan);outline-offset:-2px}
.faq .accordion-button:not(.collapsed){
  color:var(--cyan);
  background:rgba(53,224,200,.06);
}
.faq .accordion-button::after{
  width:10px;height:10px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  border-top:0;border-left:0;
  transform:rotate(45deg);
  background-image:none;
  transition:transform .25s ease;
  margin-left:auto;
  flex-shrink:0;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq .accordion-body{
  padding:0 22px 20px;
  font-size:.925rem;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg, rgba(13,40,54,.96), rgba(8,22,31,.96));
  padding:44px 46px;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:32px;
  align-items:center;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.22;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(7,19,26,.92), rgba(7,19,26,.55));
}
.cta-copy,.cta-action{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(1.35rem,2vw,1.85rem);margin-bottom:10px}
.cta-copy p{color:var(--muted);font-size:.92rem;margin:0}
.cta-action{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.cta-note{
  margin-top:18px;
  font-size:.78rem;
  color:#7E9AA4;
  line-height:1.7;
  position:relative;
  z-index:1;
}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:#051017;
  padding:56px 0 26px;
  margin-top:12px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .7fr .7fr .7fr;
  gap:32px;
  padding-bottom:36px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:.86rem;color:var(--muted);max-width:30em;margin:0}
.footer-col h4{
  font-size:.82rem;
  letter-spacing:.1em;
  color:#8FAAB4;
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.875rem;color:#B9CED6}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:.8rem;
  color:#6D8892;
}
.footer-bottom .dot{margin:0 8px;color:#31474F}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
}
@media (max-width:991.98px){
  :root{--nav-h:56px}
  .nav-toggle{display:flex}
  .site-nav{padding:2px 0}
  .navbar-collapse{
    position:absolute;
    top:calc(100% + 10px);
    left:16px;
    right:16px;
    display:block;
    padding:16px;
    border-radius:16px;
    background:rgba(8,24,33,.98);
    border:1px solid var(--line-strong);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    box-shadow:0 24px 54px rgba(0,0,0,.5);
    z-index:1040;
  }
  .nav-links{flex-direction:column;align-items:stretch;gap:4px;margin-bottom:14px}
  .nav-links .nav-link{padding:11px 14px;font-size:.95rem}
  .nav-links .nav-link.active::after{left:14px;right:auto;width:22px;bottom:6px}
  .nav-tools{flex-direction:column;align-items:stretch;gap:10px;border-top:1px solid var(--line);padding-top:14px}
  .nav-search{display:block}
  .nav-search input{width:100%}
  .search-toggle{display:none}
  .btn-sm-nav{justify-content:center;padding:.62rem 1rem}
  .hero{padding:34px 0 58px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{min-height:360px;order:2}
  .hero-copy{order:1}
  .section{padding:60px 0}
  .pain-grid{grid-template-columns:1fr;gap:26px}
  .news-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:52px 0}
  .hero h1{font-size:clamp(1.75rem,7vw,2.2rem)}
  .hero-sub{font-size:.96rem}
  .news-card{grid-template-columns:1fr;gap:12px}
  .news-thumb{aspect-ratio:16/9}
  .steps{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-band{padding:28px 22px}
}
@media (max-width:575.98px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
  .cta-action{width:100%}
  .cta-action .btn-glow{width:100%}
  .hero-glass{left:14px;right:14px;bottom:14px;padding:15px 16px 12px}
  .hero-visual{min-height:330px}
  .pain-item{padding:18px}
  .quote-card{padding:22px 20px}
  body::before{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink:#07131A;
  --ink-2:#0B1F2A;
  --ink-3:#0E2833;
  --signal:#35E0C8;
  --signal-dim:rgba(53,224,200,.14);
  --gold:#F2B84B;
  --gold-dim:rgba(242,184,75,.13);
  --text:#E6F1F4;
  --muted:#94AEB8;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --card:rgba(13,34,45,.66);
  --card-solid:#0D222D;
  --radius-card:18px;
  --radius-btn:10px;
  --radius-inp:12px;
  --shadow-card:0 18px 48px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.08);
  --container:1180px;
  --nav-h:68px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(53,224,200,.07), transparent 62%),
    radial-gradient(900px 520px at 4% 6%, rgba(242,184,75,.05), transparent 58%),
    var(--ink);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--signal);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{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(--signal);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 阅读进度 ---------- */
.reading-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--signal),rgba(53,224,200,.35));
  box-shadow:0 0 12px rgba(53,224,200,.45);
  z-index:2000;transition:width .12s linear;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,19,26,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-nav{padding:0;min-height:var(--nav-h);background:transparent;}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  min-height:var(--nav-h);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:16px;letter-spacing:.02em;color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--signal);}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  border:1px solid rgba(53,224,200,.42);
  background:linear-gradient(160deg,rgba(53,224,200,.18),rgba(13,34,45,.7));
  color:var(--signal);
  box-shadow:0 0 18px rgba(53,224,200,.18);
}
.brand-text{max-width:16em;overflow:hidden;text-overflow:ellipsis;}
.nav-toggle{
  margin-left:auto;width:42px;height:38px;
  display:none;flex-direction:column;justify-content:center;gap:5px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:10px;padding:0 9px;
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;}
.navbar-collapse{display:flex;align-items:center;gap:24px;flex:1 1 auto;}
.nav-links{display:flex;align-items:center;gap:6px;flex-direction:row;}
.nav-links .nav-item{list-style:none;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;border-radius:8px;
  font-size:15px;color:var(--muted);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.045);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;background:var(--signal);
  box-shadow:0 0 10px rgba(53,224,200,.6);
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-toggle{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:10px;color:var(--muted);
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.search-toggle:hover{color:var(--signal);border-color:rgba(53,224,200,.45);}
.nav-search{
  width:0;overflow:hidden;opacity:0;
  transition:width .28s var(--ease),opacity .28s var(--ease);
}
.nav-search.open{width:220px;opacity:1;}
.nav-search input{
  width:100%;height:38px;padding:0 14px;
  color:var(--text);font-size:14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:10px;
  outline:none;
}
.nav-search input::placeholder{color:rgba(148,174,184,.8);}
.nav-search input:focus{border-color:rgba(53,224,200,.6);box-shadow:0 0 0 2px rgba(53,224,200,.16);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;color:var(--text);
  background:linear-gradient(180deg,rgba(53,224,200,.16),rgba(13,34,45,.9));
  border:1px solid rgba(53,224,200,.55);
  box-shadow:0 0 0 1px rgba(255,255,255,.05) inset, 0 10px 26px rgba(0,0,0,.35), 0 0 18px rgba(53,224,200,.16);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease);
}
.btn-glow:hover{
  color:#EFFFFB;transform:translateY(-1px);
  border-color:rgba(53,224,200,.9);
  box-shadow:0 0 0 1px rgba(255,255,255,.07) inset, 0 14px 32px rgba(0,0,0,.42), 0 0 26px rgba(53,224,200,.28);
}
.btn-glow:active{transform:translateY(0);filter:brightness(.96);}
.btn-sm-nav{padding:9px 16px;font-size:13.5px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;color:var(--text);
  background:transparent;border:1px solid var(--line-strong);
  transition:transform .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.btn-ghost:hover{
  color:var(--signal);border-color:rgba(53,224,200,.6);
  background:rgba(53,224,200,.06);transform:translateY(-1px);
}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;
  padding:calc(var(--nav-h) + 26px) 0 34px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(90deg,rgba(7,19,26,.96) 0%,rgba(7,19,26,.82) 52%,rgba(7,19,26,.94) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.55;
  pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 320px at 88% 12%, rgba(53,224,200,.10), transparent 70%),
    linear-gradient(180deg,rgba(7,19,26,.2),var(--ink));
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:20px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--signal);text-decoration:underline;text-underline-offset:4px;}
.crumb .sep{opacity:.45;}
.crumb .current{color:#DCEBEF;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-bottom:18px;font-size:13px;color:var(--muted);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;line-height:1.7;
  background:var(--signal-dim);color:#8DF3E4;
  border:1px solid rgba(53,224,200,.34);white-space:nowrap;
}
.chip-gold{background:var(--gold-dim);color:#F7CE84;border-color:rgba(242,184,75,.34);}
.meta-sep{width:1px;height:12px;background:var(--line-strong);display:inline-block;}
.article-title{
  font-size:clamp(1.7rem,3.4vw,2.6rem);
  font-weight:700;line-height:1.42;letter-spacing:.01em;
  margin:0 0 16px;max-width:880px;
}
.article-lead{
  max-width:780px;color:var(--muted);font-size:15px;line-height:1.85;
}

/* ---------- 正文 ---------- */
.article-main{padding:52px 0 20px;}
.article-shell{max-width:800px;margin:0 auto;}
.article-body{
  background:var(--card-solid);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:38px 40px;
  font-size:16px;
  line-height:1.85;
  color:#DCE9ED;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(1.25rem,1.9vw,1.55rem);
  font-weight:700;color:var(--text);
  margin:1.9em 0 .8em;padding-left:14px;position:relative;line-height:1.5;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;
  border-radius:3px;background:linear-gradient(180deg,var(--signal),rgba(53,224,200,.25));
}
.article-body h3{
  font-size:1.12rem;font-weight:600;color:var(--text);
  margin:1.6em 0 .6em;line-height:1.55;
}
.article-body h4{font-size:1rem;font-weight:600;color:var(--text);margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.42em 0;}
.article-body a{
  color:var(--signal);
  text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:rgba(53,224,200,.45);
}
.article-body a:hover{text-decoration-color:var(--signal);}
.article-body img{
  width:100%;height:auto;border-radius:12px;margin:1.4em 0 .6em;
  border:1px solid var(--line);
}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{
  font-size:13px;color:var(--muted);text-align:center;line-height:1.7;
}
.article-body blockquote{
  margin:1.5em 0;padding:6px 0 6px 18px;
  border-left:3px solid var(--signal);
  background:rgba(53,224,200,.05);
  border-radius:0 12px 12px 0;
  color:#C9DDE3;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body hr{
  border:0;height:1px;background:var(--line);margin:2em 0;
}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:1.5em 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{
  padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);
  vertical-align:top;
}
.article-body th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600;}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body .note{
  padding:14px 16px;border-radius:12px;
  background:rgba(242,184,75,.07);
  border:1px solid rgba(242,184,75,.22);
  font-size:14.5px;color:#E7D5AE;
}

/* 空态 */
.empty-state{
  background:var(--card-solid);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:56px 32px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;color:var(--signal);
  border:1px solid rgba(53,224,200,.36);
  background:rgba(53,224,200,.08);
}
.empty-state h2{font-size:1.25rem;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 文末操作 ---------- */
.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin:30px 0 0;padding-top:24px;border-top:1px solid var(--line);
}
.link-back{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;color:var(--muted);font-weight:600;
  padding:9px 14px;border-radius:10px;
  border:1px solid transparent;
  transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.link-back:hover{
  color:var(--signal);background:rgba(53,224,200,.06);border-color:rgba(53,224,200,.3);
}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 8px;}
.section-head{margin-bottom:26px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--signal);letter-spacing:.08em;
  margin-bottom:10px;
}
.section-kicker::before{
  content:"";width:18px;height:1px;background:var(--signal);display:inline-block;
}
.section-title{
  font-size:clamp(1.35rem,2vw,1.75rem);font-weight:700;line-height:1.5;
  color:var(--text);
}
.rec-list{display:grid;gap:16px;}
.rec-card{
  display:grid;grid-template-columns:180px 1fr;
  gap:20px;align-items:center;
  background:var(--card-solid);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:16px;
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rec-card:hover{
  transform:translateY(-3px);
  border-color:rgba(53,224,200,.3);
  box-shadow:0 22px 54px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.09);
}
.rec-thumb{
  position:relative;overflow:hidden;border-radius:14px;
  aspect-ratio:16/10;background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 14px),
    linear-gradient(150deg,#0F2B37,#0A1B24);
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body h3{font-size:1.02rem;font-weight:600;line-height:1.6;margin-bottom:8px;}
.rec-body p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:10px;}
.rec-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.rec-meta .chip{padding:2px 10px;font-size:12px;}

/* ---------- 底部 CTA ---------- */
.cta-band{padding:64px 0 78px;}
.cta-inner{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:28px;
  padding:38px 40px;border-radius:22px;
  background:
    radial-gradient(520px 240px at 88% 20%, rgba(53,224,200,.13), transparent 70%),
    linear-gradient(160deg,rgba(14,40,51,.95),rgba(9,24,32,.98));
  border:1px solid rgba(53,224,200,.22);
  box-shadow:var(--shadow-card);
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;
  border-radius:50%;border:1px solid rgba(53,224,200,.15);
  pointer-events:none;
}
.cta-inner h2{
  font-size:clamp(1.3rem,2.1vw,1.7rem);font-weight:700;line-height:1.55;margin-bottom:12px;
}
.cta-inner p{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-foot{
  margin-top:22px;font-size:12.5px;color:rgba(148,174,184,.85);line-height:1.8;
}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(9,26,34,.9),rgba(5,14,20,.98));
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;
}
.footer-brand p{
  margin-top:16px;font-size:14px;line-height:1.9;color:var(--muted);max-width:420px;
}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;letter-spacing:.04em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:13.8px;color:var(--muted);}
.footer-col a:hover{color:var(--signal);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(148,174,184,.85);line-height:1.8;
}
.footer-bottom .dot{margin:0 8px;opacity:.5;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rec-card{grid-template-columns:150px 1fr;}
}
@media (max-width:991.98px){
  :root{--nav-h:60px;}
  .nav-toggle{display:flex;}
  .navbar-collapse{
    display:block;flex-basis:100%;
    margin-top:12px;padding:14px;
    border:1px solid var(--line);border-radius:16px;
    background:rgba(9,24,32,.98);
    box-shadow:0 22px 50px rgba(0,0,0,.45);
  }
  .navbar-collapse:not(.show){display:none;}
  .nav-inner{flex-wrap:wrap;padding-top:6px;padding-bottom:6px;}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link{padding:10px 12px;}
  .nav-link.active::after{left:12px;right:auto;width:22px;bottom:6px;}
  .nav-tools{margin-left:0;margin-top:14px;flex-wrap:wrap;gap:10px;}
  .nav-search{width:100%;opacity:1;}
  .nav-search.open{width:100%;}
  .btn-sm-nav{width:100%;}
  .article-hero{padding-top:calc(var(--nav-h) + 20px);}
  .article-body{padding:30px 26px;}
  .cta-inner{grid-template-columns:1fr;padding:30px 26px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .container{padding:0 18px;}
  .article-main{padding:36px 0 12px;}
  .article-body{padding:24px 18px;font-size:15.5px;}
  .article-title{font-size:1.55rem;}
  .rec-card{grid-template-columns:1fr;gap:14px;}
  .rec-thumb{aspect-ratio:16/9;}
  .related{padding:42px 0 4px;}
  .cta-band{padding:46px 0 56px;}
  .site-footer{padding:44px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .brand{font-size:15px;}
  .brand-text{max-width:12em;}
}
@media (max-width:575.98px){
  .article-hero{padding-bottom:26px;}
  .article-meta{font-size:12.5px;gap:8px 10px;}
  .meta-sep{display:none;}
  .btn-glow,.btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .article-body{padding:20px 15px;}
  .article-body h2{padding-left:12px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#07131A;
  --ink-850:#091A23;
  --ink-800:#0B1F2A;
  --ink-700:#0E2836;
  --card-solid:#0D222D;
  --card-glass:rgba(13,34,45,.62);
  --cyan:#35E0C8;
  --cyan-dim:rgba(53,224,200,.14);
  --cyan-line:rgba(53,224,200,.32);
  --gold:#F2B84B;
  --gold-dim:rgba(242,184,75,.13);
  --text:#E6F1F4;
  --muted:#94AEB8;
  --muted-2:#7A96A1;
  --border:rgba(255,255,255,.10);
  --border-soft:rgba(255,255,255,.06);
  --radius-card:18px;
  --radius-btn:10px;
  --radius-input:12px;
  --shadow-card:0 18px 48px rgba(0,0,0,.35);
  --shadow-soft:0 10px 28px rgba(0,0,0,.25);
  --inset-hl:inset 0 1px 0 rgba(255,255,255,.08);
  --container:1180px;
  --nav-h:68px;
  --section-y:76px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--ink-900);
  background-image:
    radial-gradient(900px 520px at 82% -8%,rgba(53,224,200,.10),transparent 62%),
    radial-gradient(760px 480px at 6% 12%,rgba(242,184,75,.06),transparent 66%),
    linear-gradient(180deg,#07131A 0%,#081822 42%,#07131A 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7BF0DE;}

img{max-width:100%;display:block;}

h1,h2,h3,h4{font-weight:700;letter-spacing:.01em;margin:0;color:#FFFFFF;line-height:1.35;}

p{margin:0 0 1em;}

ul{margin:0;padding:0;list-style:none;}

button{font-family:inherit;}

::selection{background:rgba(53,224,200,.28);color:#fff;}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;}

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

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
}

.site-nav{
  position:relative;
  min-height:var(--nav-h);
  padding:0;
  background:rgba(7,19,26,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:0 8px 26px rgba(0,0,0,.28);
}

.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:var(--nav-h);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:16.5px;
  letter-spacing:.01em;
  white-space:nowrap;
  flex-shrink:0;
}
.brand:hover{color:#fff;}

.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:11px;
  color:var(--cyan);
  background:linear-gradient(150deg,rgba(53,224,200,.20),rgba(53,224,200,.04));
  border:1px solid rgba(53,224,200,.28);
  box-shadow:0 0 18px rgba(53,224,200,.14),inset 0 1px 0 rgba(255,255,255,.12);
  flex-shrink:0;
}

.brand-text{
  background:linear-gradient(92deg,#FFFFFF 20%,#CFF8F0 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.nav-toggle{
  margin-left:auto;
  width:42px;
  height:38px;
  border:1px solid var(--border);
  border-radius:10px;
  background:rgba(255,255,255,.03);
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:background .2s ease;
}
.nav-toggle:hover span{background:var(--cyan);}

.navbar-collapse{
  display:flex;
  align-items:center;
  gap:24px;
  flex:1 1 auto;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex-direction:row;
  margin:0;
}

.nav-links .nav-link{
  position:relative;
  display:block;
  padding:9px 14px;
  font-size:15px;
  color:var(--muted);
  border-radius:9px;
  transition:color .2s ease,background .2s ease;
}
.nav-links .nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.04);
}
.nav-links .nav-link.active{
  color:#fff;
  font-weight:600;
}
.nav-links .nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,200,.6);
}

.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}

.search-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.search-toggle:hover{
  color:var(--cyan);
  border-color:var(--cyan-line);
  background:rgba(53,224,200,.08);
}

.nav-search{
  width:0;
  overflow:hidden;
  opacity:0;
  transition:width .28s ease,opacity .22s ease;
}
.nav-search.is-open{
  width:220px;
  opacity:1;
}
.nav-search input{
  width:100%;
  height:38px;
  padding:0 14px;
  font-size:14px;
  color:var(--text);
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:999px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--muted-2);}
.nav-search input:focus{
  border-color:var(--cyan-line);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}

/* ---------- 按钮 ---------- */
.btn-glow,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:13px 22px;
  border-radius:var(--radius-btn);
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}

.btn-glow{
  color:#062025;
  background:linear-gradient(180deg,#4DF0DA 0%,#2FCDB8 100%);
  border-color:rgba(53,224,200,.85);
  box-shadow:0 10px 26px rgba(53,224,200,.22),inset 0 1px 0 rgba(255,255,255,.45);
}
.btn-glow:hover{
  color:#04191D;
  transform:translateY(-1px);
  box-shadow:0 14px 34px rgba(53,224,200,.34),inset 0 1px 0 rgba(255,255,255,.55);
}

.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.03);
  border-color:rgba(255,255,255,.16);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.btn-ghost:hover{
  color:#fff;
  border-color:var(--cyan-line);
  background:rgba(53,224,200,.10);
  transform:translateY(-1px);
}

.btn-sm-nav{
  padding:10px 16px;
  font-size:14px;
}

/* ---------- 通用区块 ---------- */
.section{
  padding:var(--section-y) 0;
  position:relative;
}
.section-tight{padding:56px 0;}

.section-head{
  max-width:760px;
  margin-bottom:38px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:14px;
  padding:5px 13px;
  border-radius:999px;
  border:1px solid rgba(53,224,200,.26);
  background:rgba(53,224,200,.08);
}

.section-head h2{
  font-size:clamp(1.5rem,2.2vw,2.05rem);
  margin-bottom:14px;
}

.section-head p{
  color:var(--muted);
  font-size:15.5px;
  margin:0;
}

.divider-line{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.12) 22%,rgba(255,255,255,.12) 78%,transparent);
  border:0;
  margin:0;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:calc(var(--nav-h) + 42px) 0 68px;
  border-bottom:1px solid var(--border-soft);
  background-image:
    linear-gradient(90deg,rgba(7,19,26,.96) 0%,rgba(7,19,26,.86) 46%,rgba(7,19,26,.62) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}

.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  mask-image:radial-gradient(720px 420px at 78% 30%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(720px 420px at 78% 30%,#000 0%,transparent 78%);
}

.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:44px;
  align-items:center;
}

.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--muted-2);
  margin-bottom:20px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--cyan);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.crumbs .current{color:var(--text);}

.page-hero h1{
  font-size:clamp(2.05rem,3.6vw,3.05rem);
  line-height:1.26;
  margin-bottom:18px;
  letter-spacing:-.005em;
}

.page-hero h1 .hl{
  color:var(--cyan);
  position:relative;
}

.hero-lead{
  font-size:16px;
  color:var(--muted);
  max-width:620px;
  margin-bottom:26px;
}

.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:30px;
}

.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12.5px;
  font-weight:500;
  color:#CFF8F0;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(53,224,200,.10);
  border:1px solid rgba(53,224,200,.22);
  white-space:nowrap;
}
.badge-soft.gold{
  color:#FBE4B4;
  background:var(--gold-dim);
  border-color:rgba(242,184,75,.26);
}
.badge-soft .dotmark{
  width:6px;height:6px;border-radius:50%;
  background:currentColor;
  opacity:.85;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* 玻璃信息卡 */
.glass-card{
  position:relative;
  border-radius:var(--radius-card);
  background:var(--card-glass);
  border:1px solid rgba(255,255,255,.13);
  box-shadow:var(--shadow-card),var(--inset-hl);
  backdrop-filter:blur(15px);
  -webkit-backdrop-filter:blur(15px);
  padding:26px 24px;
}

.glass-card .cap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--border-soft);
}

.glass-card .cap h3{
  font-size:16.5px;
  margin:0;
}

.tag-mini{
  font-size:12px;
  padding:4px 11px;
  border-radius:999px;
  color:#FBE4B4;
  background:var(--gold-dim);
  border:1px solid rgba(242,184,75,.28);
  white-space:nowrap;
}

.check-list li{
  display:flex;
  align-items:flex-start;
  gap:11px;
  padding:11px 0;
  font-size:14.5px;
  line-height:1.65;
  color:var(--text);
  border-bottom:1px dashed rgba(255,255,255,.07);
}
.check-list li:last-child{border-bottom:0;padding-bottom:2px;}

.check-icon{
  flex:0 0 auto;
  width:20px;
  height:20px;
  margin-top:2px;
  border-radius:7px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(53,224,200,.14);
  border:1px solid rgba(53,224,200,.30);
  color:var(--cyan);
  font-size:11px;
  font-weight:700;
}

.glass-note{
  margin-top:16px;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(242,184,75,.08);
  border:1px solid rgba(242,184,75,.20);
  font-size:13px;
  line-height:1.7;
  color:#EBD9B6;
}

/* ---------- 时间轴 ---------- */
.flow-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:40px;
  align-items:start;
}

.timeline{
  position:relative;
  padding-left:38px;
}

.timeline::before{
  content:"";
  position:absolute;
  left:10px;
  top:12px;
  bottom:18px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(53,224,200,.55) 0%,rgba(53,224,200,.20) 55%,rgba(53,224,200,.03) 100%);
}

.tl-item{
  position:relative;
  margin-bottom:18px;
}

.tl-item::before{
  content:"";
  position:absolute;
  left:-33px;
  top:26px;
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 4px rgba(242,184,75,.13),0 0 14px rgba(242,184,75,.35);
}

.step-card{
  position:relative;
  padding:22px 24px;
  border-radius:var(--radius-card);
  background:var(--card-solid);
  border:1px solid var(--border);
  box-shadow:var(--shadow-soft),var(--inset-hl);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step-card:hover{
  transform:translateY(-3px);
  border-color:var(--cyan-line);
  box-shadow:0 20px 42px rgba(0,0,0,.38),var(--inset-hl);
}

.step-head{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:9px;
}

.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:9px;
  font-size:13.5px;
  font-weight:700;
  color:#062025;
  background:linear-gradient(180deg,#4DF0DA,#2FCDB8);
  box-shadow:0 6px 16px rgba(53,224,200,.22);
  flex-shrink:0;
}

.step-card h3{
  font-size:16.8px;
  margin:0;
  flex:1 1 auto;
  min-width:160px;
}

.step-card p{
  color:var(--muted);
  font-size:14.8px;
  line-height:1.8;
  margin:0;
}

.step-status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:12.5px;
  padding:5px 12px;
  border-radius:999px;
  color:#CFF8F0;
  background:rgba(53,224,200,.09);
  border:1px solid rgba(53,224,200,.20);
}
.step-status.warn{
  color:#FBE4B4;
  background:var(--gold-dim);
  border-color:rgba(242,184,75,.24);
}

.side-stack{
  display:flex;
  flex-direction:column;
  gap:20px;
  position:sticky;
  top:calc(var(--nav-h) + 20px);
}

.side-card{
  border-radius:var(--radius-card);
  padding:22px;
  background:var(--card-solid);
  border:1px solid var(--border);
  box-shadow:var(--shadow-soft),var(--inset-hl);
}

.side-card h3{
  font-size:16px;
  margin-bottom:12px;
  display:flex;
  align-items:center;
  gap:9px;
}

.side-card h3::before{
  content:"";
  width:3px;
  height:15px;
  border-radius:2px;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(53,224,200,.5);
}

.side-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.78;
  margin:0 0 12px;
}
.side-card p:last-child{margin-bottom:0;}

.side-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  padding:9px 0;
  border-bottom:1px dashed rgba(255,255,255,.07);
  line-height:1.7;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li strong{color:var(--text);font-weight:600;}

/* ---------- 常见卡点 ---------- */
.issue-grid{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:36px;
  align-items:start;
}

.issue-row{
  display:flex;
  gap:16px;
  padding:20px 22px;
  border-radius:14px;
  background:var(--card-solid);
  border:1px solid var(--border);
  box-shadow:var(--shadow-soft);
  margin-bottom:14px;
  transition:transform .2s ease,border-color .2s ease;
}
.issue-row:last-child{margin-bottom:0;}
.issue-row:hover{
  transform:translateY(-2px);
  border-color:var(--cyan-line);
}

.issue-idx{
  flex:0 0 auto;
  width:34px;
  height:34px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
  color:var(--gold);
  background:var(--gold-dim);
  border:1px solid rgba(242,184,75,.24);
}

.issue-row h3{
  font-size:15.8px;
  margin-bottom:6px;
}
.issue-row p{
  margin:0;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.78;
}

.figure-card{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  background:var(--card-solid);
}
.figure-card img{
  width:100%;
  height:250px;
  object-fit:cover;
  border-radius:0;
}
.figure-card .fig-body{
  padding:20px 22px;
}
.figure-card .fig-body h3{
  font-size:16px;
  margin-bottom:8px;
}
.figure-card .fig-body p{
  margin:0;
  font-size:14px;
  color:var(--muted);
  line-height:1.78;
}

/* ---------- 信息项 2x2 ---------- */
.info-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}

.info-card{
  padding:24px;
  border-radius:var(--radius-card);
  background:linear-gradient(160deg,rgba(14,40,54,.92),rgba(11,31,42,.86));
  border:1px solid var(--border);
  box-shadow:var(--shadow-soft),var(--inset-hl);
  transition:transform .22s ease,border-color .22s ease;
}
.info-card:hover{
  transform:translateY(-3px);
  border-color:var(--cyan-line);
}

.info-card .k{
  font-size:13px;
  color:var(--cyan);
  letter-spacing:.08em;
  margin-bottom:10px;
  display:block;
}

.info-card h3{
  font-size:17px;
  margin-bottom:9px;
}

.info-card p{
  margin:0;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.78;
}

/* ---------- FAQ ---------- */
.faq-wrap{
  max-width:860px;
}

.faq-accordion .accordion-item{
  background:var(--card-solid);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  margin-bottom:16px;
  box-shadow:var(--shadow-soft);
  transition:border-color .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(53,224,200,.22);}

.faq-accordion .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  padding:19px 54px 19px 22px;
  border:0;
  border-radius:14px;
  box-shadow:none;
  transition:background .2s ease,color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:#FFFFFF;
  background:rgba(53,224,200,.08);
  box-shadow:none;
}
.faq-accordion .accordion-button:focus{
  box-shadow:0 0 0 2px rgba(53,224,200,.45);
  border-color:transparent;
  z-index:2;
}
.faq-accordion .accordion-button::after{
  content:"";
  width:10px;
  height:10px;
  margin-left:auto;
  margin-right:6px;
  border-right:2px solid var(--cyan);
  border-bottom:2px solid var(--cyan);
  transform:rotate(45deg);
  transform-origin:center;
  background-image:none;
  transition:transform .26s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
}
.faq-accordion .accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:22px;
  border:1px solid rgba(53,224,200,.22);
  background:
    radial-gradient(620px 320px at 88% 20%,rgba(53,224,200,.16),transparent 68%),
    linear-gradient(135deg,rgba(14,40,54,.96),rgba(9,26,35,.96));
  box-shadow:var(--shadow-card),var(--inset-hl);
  padding:40px 42px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
}

.cta-band h2{
  font-size:clamp(1.4rem,2.2vw,1.85rem);
  margin-bottom:10px;
}
.cta-band p{
  margin:0;
  color:var(--muted);
  font-size:14.8px;
  max-width:600px;
}

.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.cta-footnote{
  margin-top:16px;
  font-size:13px;
  color:var(--muted-2);
  line-height:1.7;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:10px;
  padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(7,19,26,.4),rgba(5,14,19,.96));
  border-top:1px solid var(--border);
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
}

.footer-brand .brand{
  margin-bottom:16px;
}

.footer-brand p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
  max-width:400px;
}

.footer-col h4{
  font-size:14.5px;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:.02em;
}

.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul li a{
  font-size:14px;
  color:var(--muted);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul li a:hover{
  color:var(--cyan);
  padding-left:3px;
}

.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  padding-top:22px;
  border-top:1px solid var(--border-soft);
  font-size:13px;
  color:var(--muted-2);
  line-height:1.7;
}
.footer-bottom .dot{margin:0 8px;opacity:.5;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--container:1000px;}
  .hero-grid{gap:32px;}
  .flow-layout{grid-template-columns:minmax(0,1fr) 310px;gap:30px;}
}

@media (max-width:991.98px){
  :root{--section-y:56px;}
  .nav-toggle{display:flex;}
  .site-nav{padding:0;}
  .nav-inner{gap:14px;}
  .navbar-collapse{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:14px;
    padding:16px 20px 22px;
    background:rgba(7,19,26,.98);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-top:1px solid var(--border);
    border-bottom:1px solid var(--border);
    box-shadow:0 22px 44px rgba(0,0,0,.5);
  }
  .navbar-collapse.collapse:not(.show){display:none;}
  .nav-links{
    flex-direction:column;
    align-items:stretch;
    gap:4px;
  }
  .nav-links .nav-link{
    padding:12px 14px;
    font-size:15.5px;
  }
  .nav-links .nav-link.active::after{
    left:14px;
    right:auto;
    width:22px;
    bottom:8px;
  }
  .nav-tools{
    flex-wrap:wrap;
    gap:10px;
    margin-left:0;
    padding-top:6px;
    border-top:1px solid var(--border-soft);
  }
  .nav-search,
  .nav-search.is-open{
    width:100%;
    flex:1 1 100%;
    opacity:1;
    order:3;
  }
  .btn-sm-nav{flex:1 1 auto;text-align:center;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .page-hero{padding:calc(var(--nav-h) + 30px) 0 52px;background-position:center;}
  .hero-lead{max-width:none;}
  .flow-layout{grid-template-columns:1fr;}
  .side-stack{position:static;top:auto;}
  .issue-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{grid-template-columns:1fr;padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:767.98px){
  :root{--section-y:52px;}
  body{font-size:15.5px;}
  .page-hero h1{font-size:clamp(1.75rem,6vw,2.2rem);}
  .hero-lead{font-size:15px;}
  .step-card{padding:19px 18px;}
  .step-card h3{font-size:15.8px;min-width:0;}
  .step-card p{font-size:14.3px;}
  .info-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .glass-card{padding:22px 18px;}
}

@media (max-width:575.98px){
  .container{padding:0 16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-glow,
  .hero-actions .btn-ghost{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-glow,
  .cta-actions .btn-ghost{width:100%;}
  .timeline{padding-left:30px;}
  .timeline::before{left:8px;}
  .tl-item::before{left:-27px;top:24px;width:10px;height:10px;}
  .issue-row{padding:17px 16px;gap:12px;}
  .faq-accordion .accordion-button{font-size:15.4px;padding:16px 46px 16px 16px;}
  .faq-accordion .accordion-body{padding:0 16px 18px;font-size:14.6px;}
  .brand-text{font-size:14.6px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink-900:#07131A;
  --ink-800:#0B1F2A;
  --ink-700:#0D222D;
  --signal:#35E0C8;
  --signal-soft:rgba(53,224,200,.14);
  --gold:#F2B84B;
  --text:#E6F1F4;
  --muted:#94AEB8;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(53,224,200,.32);
  --card:rgba(13,34,45,.66);
  --card-solid:#0D222D;
  --radius-card:18px;
  --radius-btn:10px;
  --radius-input:12px;
  --shadow-card:0 18px 48px rgba(0,0,0,.35);
  --shadow-hover:0 24px 60px rgba(0,0,0,.45);
  --container:1180px;
  --nav-h:68px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(53,224,200,.10), transparent 62%),
    radial-gradient(900px 520px at 4% 12%, rgba(242,184,75,.06), transparent 60%),
    linear-gradient(180deg,#07131A 0%,#0B1F2A 46%,#07131A 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--signal);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:.2px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px;}

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

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(7,19,26,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-nav{padding:0;background:transparent;}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:var(--nav-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:11px;
  color:var(--signal);
  background:linear-gradient(160deg,rgba(53,224,200,.20),rgba(53,224,200,.05));
  border:1px solid rgba(53,224,200,.34);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  flex:0 0 auto;
}
.brand-text{font-size:16.5px;}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
}
.navbar-collapse{display:flex;align-items:center;justify-content:flex-end;gap:18px;flex:1 1 auto;}
.nav-links{display:flex;align-items:center;gap:4px;flex-direction:row;}
.nav-links .nav-item{list-style:none;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  font-size:15px;
  color:var(--muted);
  border-radius:9px;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  width:16px;
  height:2px;
  border-radius:2px;
  transform:translateX(-50%);
  background:var(--signal);
  box-shadow:0 0 10px rgba(53,224,200,.7);
}
.nav-tools{display:flex;align-items:center;gap:10px;}
.search-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.search-toggle:hover{color:var(--signal);border-color:var(--line-strong);background:rgba(53,224,200,.08);}
.nav-search{
  width:0;
  opacity:0;
  overflow:hidden;
  transition:width .28s ease,opacity .28s ease;
}
.nav-search.is-open{width:220px;opacity:1;}
.nav-search input{
  width:100%;
  height:38px;
  padding:0 12px;
  font-size:14px;
  color:var(--text);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search input::placeholder{color:rgba(148,174,184,.75);}
.nav-search input:focus{
  outline:none;
  border-color:var(--signal);
  box-shadow:0 0 0 2px rgba(53,224,200,.18);
}

/* ---------- 按钮 ---------- */
.btn-glow,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-btn);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-glow{
  color:#C8FFF6;
  border:1px solid rgba(53,224,200,.55);
  background:linear-gradient(180deg,rgba(53,224,200,.20),rgba(53,224,200,.06));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 8px 26px rgba(53,224,200,.16);
}
.btn-glow:hover{
  color:#E8FFFB;
  transform:translateY(-1px);
  border-color:rgba(53,224,200,.85);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 12px 32px rgba(53,224,200,.28);
}
.btn-ghost{
  color:var(--text);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.btn-ghost:hover{
  color:var(--signal);
  border-color:var(--line-strong);
  background:rgba(53,224,200,.08);
  transform:translateY(-1px);
}
.btn-sm-nav{padding:9px 16px;font-size:14px;}

/* ---------- 通用块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--signal);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:linear-gradient(90deg,var(--signal),transparent);
}
.section-title{font-size:clamp(1.5rem,2.2vw,2.1rem);margin-bottom:14px;}
.section-lead{color:var(--muted);font-size:15.5px;max-width:720px;margin:0;}
.section-head{margin-bottom:38px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding-top:calc(var(--nav-h) + 28px);
  padding-bottom:76px;
  overflow:hidden;
  isolation:isolate;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-2;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.5;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(90deg,rgba(7,19,26,.96) 0%,rgba(7,19,26,.82) 46%,rgba(7,19,26,.52) 100%),
    radial-gradient(760px 420px at 78% 24%, rgba(53,224,200,.12), transparent 68%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:52px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2rem,3.5vw,3rem);
  line-height:1.28;
  margin-bottom:18px;
}
.hero h1 .hl{
  color:var(--signal);
  text-shadow:0 0 24px rgba(53,224,200,.28);
}
.hero-sub{
  color:var(--muted);
  font-size:16.5px;
  max-width:600px;
  margin-bottom:26px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  font-size:12.5px;
  color:#B9F6EC;
  border-radius:999px;
  border:1px solid rgba(53,224,200,.28);
  background:rgba(53,224,200,.09);
}
.pill.gold{color:#F7DDA8;border-color:rgba(242,184,75,.32);background:rgba(242,184,75,.09);}
.pill .dot{width:5px;height:5px;border-radius:50%;background:currentColor;display:inline-block;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.glass-card{
  position:relative;
  padding:26px;
  border-radius:var(--radius-card);
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(165deg,rgba(20,52,66,.62),rgba(9,25,34,.52));
  backdrop-filter:blur(15px);
  -webkit-backdrop-filter:blur(15px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.10);
}
.glass-card h3{font-size:1.0625rem;margin-bottom:6px;}
.glass-sub{font-size:13px;color:var(--muted);margin-bottom:18px;}
.check-list{display:grid;gap:12px;}
.check-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.07);
}
.check-icon{
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:#06171C;
  background:var(--signal);
  font-size:12px;font-weight:700;
  margin-top:3px;
}
.check-item .t{font-size:14.5px;font-weight:600;display:block;}
.check-item .d{font-size:13px;color:var(--muted);display:block;line-height:1.7;}
.glass-foot{
  margin-top:18px;
  padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.13);
  font-size:12.5px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}

/* ---------- 指标条 ---------- */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.metric-card{
  padding:24px 22px;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.metric-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover),inset 0 1px 0 rgba(255,255,255,.08);}
.metric-label{font-size:13px;color:var(--muted);letter-spacing:.04em;margin-bottom:10px;}
.metric-value{font-size:1.5rem;font-weight:700;color:var(--text);}
.metric-value small{font-size:13px;font-weight:500;color:var(--signal);margin-left:6px;}
.metric-note{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7;}

/* ---------- 更新记录 + 侧栏 ---------- */
.updates-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:32px;
  align-items:start;
}
.records{display:grid;gap:16px;}
.record{
  display:grid;
  grid-template-columns:96px minmax(0,1fr) auto;
  gap:20px;
  align-items:start;
  padding:22px;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--card-solid);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.record:hover{transform:translateY(-3px);border-color:rgba(53,224,200,.30);box-shadow:var(--shadow-hover),inset 0 1px 0 rgba(255,255,255,.07);}
.record-date{
  font-variant-numeric:tabular-nums;
  padding-right:16px;
  border-right:1px solid var(--line);
}
.record-date .day{display:block;font-size:1.5rem;font-weight:700;color:var(--text);line-height:1.2;}
.record-date .ym{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.06em;margin-top:4px;}
.record-body .tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  font-size:12px;
  border-radius:999px;
  color:#B9F6EC;
  border:1px solid rgba(53,224,200,.3);
  background:rgba(53,224,200,.10);
  margin-bottom:9px;
}
.record-body .tag.gold{color:#F7DDA8;border-color:rgba(242,184,75,.32);background:rgba(242,184,75,.10);}
.record-body h3{font-size:1.0625rem;margin-bottom:8px;line-height:1.5;}
.record-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}
.record-link{
  align-self:center;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 14px;
  font-size:13.5px;
  color:#C8FFF6;
  border-radius:var(--radius-btn);
  border:1px solid rgba(53,224,200,.35);
  background:rgba(53,224,200,.08);
  white-space:nowrap;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.record-link:hover{
  color:#E8FFFB;
  background:rgba(53,224,200,.18);
  border-color:rgba(53,224,200,.65);
  transform:translateX(2px);
}

.side-panel{display:grid;gap:18px;position:sticky;top:calc(var(--nav-h) + 24px);}
.side-card{
  padding:22px;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--card);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
}
.side-card h3{font-size:1rem;margin-bottom:12px;}
.side-card p{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0 0 10px;}
.side-card p:last-child{margin-bottom:0;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:6px 12px;
  font-size:12.5px;
  color:var(--muted);
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.chip:hover{color:var(--signal);border-color:var(--line-strong);background:rgba(53,224,200,.08);}
.chip.is-active{
  color:#C8FFF6;
  border-color:rgba(53,224,200,.45);
  background:rgba(53,224,200,.14);
  font-weight:600;
}
.side-cover{
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  margin-bottom:14px;
}
.side-cover img{width:100%;height:150px;object-fit:cover;}
.side-list{display:grid;gap:9px;font-size:13.5px;color:var(--muted);}
.side-list li{display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.side-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--gold);
}
.side-cta{
  border-color:rgba(53,224,200,.28);
  background:linear-gradient(160deg,rgba(53,224,200,.12),rgba(13,34,45,.7));
}
.side-cta .btn-glow{width:100%;margin-top:6px;}

/* ---------- 阅读指引 ---------- */
.guide-grid{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:44px;
  align-items:center;
}
.guide-figure{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.guide-figure img{width:100%;height:360px;object-fit:cover;}
.guide-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,19,26,.05),rgba(7,19,26,.72));
}
.guide-caption{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:2;
  font-size:13px;
  color:#CFE6EB;
}
.step-list{display:grid;gap:16px;}
.step-item{
  display:grid;
  grid-template-columns:40px minmax(0,1fr);
  gap:16px;
  padding:18px 20px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--card);
  transition:border-color .25s ease,transform .25s ease;
}
.step-item:hover{border-color:rgba(242,184,75,.34);transform:translateY(-2px);}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border-radius:50%;
  font-size:13.5px;font-weight:700;
  color:#1B1206;
  background:var(--gold);
  box-shadow:0 6px 18px rgba(242,184,75,.24);
}
.step-item h3{font-size:1rem;margin-bottom:6px;}
.step-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:var(--card-solid);
  border:1px solid var(--line);
  border-radius:14px !important;
  margin-bottom:16px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  width:100%;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  background:transparent;
  border:0;
  box-shadow:none !important;
  text-align:left;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:color .22s ease,background .22s ease;
}
.accordion-button:not(.collapsed){
  color:#C8FFF6;
  background:rgba(53,224,200,.06);
}
.accordion-button:hover{color:var(--signal);}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button::after{
  content:"";
  flex:0 0 auto;
  width:10px;height:10px;
  border-right:2px solid var(--signal);
  border-bottom:2px solid var(--signal);
  transform:rotate(45deg);
  transition:transform .26s ease;
  background-image:none !important;
  margin:0;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.accordion-body{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
}
.accordion-body p{margin:0;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:22px;
  border:1px solid rgba(53,224,200,.24);
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-card);
  isolation:isolate;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(96deg,rgba(7,19,26,.95),rgba(9,28,38,.78) 58%,rgba(7,19,26,.6));
}
.cta-inner{
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  padding:44px 42px;
}
.cta-inner h2{font-size:clamp(1.4rem,2vw,1.9rem);margin-bottom:10px;}
.cta-inner p{font-size:14.5px;color:var(--muted);margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-note{
  margin-top:22px;
  font-size:12.5px;
  color:rgba(148,174,184,.9);
  display:flex;
  align-items:center;
  gap:8px;
}
.cta-note::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
  flex:0 0 auto;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,19,26,.6),rgba(7,19,26,.96));
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.85;margin:0;max-width:360px;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:14px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .22s ease,padding-left .22s ease;}
.footer-col a:hover{color:var(--signal);padding-left:3px;}
.footer-bottom{
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:12.5px;
  color:rgba(148,174,184,.85);
}
.footer-bottom .dot{margin:0 8px;opacity:.6;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .updates-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  :root{--nav-h:56px;}
  .nav-inner{height:56px;}
  .brand-text{font-size:14.5px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .nav-toggle{display:flex;}
  .navbar-collapse{
    display:block;
    flex-basis:100%;
    background:rgba(8,22,30,.97);
    border:1px solid var(--line);
    border-radius:16px;
    margin-top:12px;
    padding:14px;
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    box-shadow:var(--shadow-card);
  }
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link{padding:11px 13px;font-size:15px;}
  .nav-link.active::after{left:13px;transform:none;bottom:8px;}
  .nav-tools{flex-wrap:wrap;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
  .search-toggle{display:none;}
  .nav-search{width:100%;opacity:1;flex:1 1 100%;}
  .nav-search input{height:40px;}
  .btn-sm-nav{width:100%;height:42px;}
  .hero{padding-top:calc(56px + 34px);padding-bottom:56px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero::after{background:linear-gradient(180deg,rgba(7,19,26,.95),rgba(7,19,26,.78));}
  .section{padding:60px 0;}
  .section-tight{padding:48px 0;}
  .updates-layout{grid-template-columns:1fr;}
  .side-panel{position:static;}
  .guide-grid{grid-template-columns:1fr;gap:28px;}
  .guide-figure img{height:280px;}
  .cta-inner{grid-template-columns:1fr;padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{margin-top:60px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .hero h1{font-size:clamp(1.72rem,5.4vw,2.1rem);}
  .hero-sub{font-size:15px;}
  .section{padding:52px 0;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .record{grid-template-columns:1fr;gap:14px;padding:18px;}
  .record-date{display:flex;align-items:baseline;gap:10px;border-right:0;border-bottom:1px solid var(--line);padding:0 0 10px;}
  .record-date .day{font-size:1.25rem;}
  .record-date .ym{margin-top:0;}
  .record-link{justify-self:start;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%;}
  .metric-grid{grid-template-columns:1fr;}
  .step-item{grid-template-columns:1fr;gap:10px;}
  .footer-grid{grid-template-columns:1fr;}
  .accordion-button{font-size:15.5px;padding:16px 18px;}
  .accordion-body{padding:0 18px 18px;font-size:14.5px;}
  .cta-inner{padding:28px 20px;}
  .glass-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --ink-900:#07131A;
  --ink-800:#0B1F2A;
  --ink-700:#0D222D;
  --card-bg:rgba(13,34,45,.66);
  --card-solid:linear-gradient(180deg,rgba(15,38,50,.94),rgba(9,24,32,.94));
  --cyan:#35E0C8;
  --cyan-soft:rgba(53,224,200,.14);
  --gold:#F2B84B;
  --gold-soft:rgba(242,184,75,.14);
  --text:#E6F1F4;
  --muted:#94AEB8;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 18px 48px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-soft:0 10px 30px rgba(0,0,0,.28);
  --container:1180px;
  --nav-h:68px;
  --sec-pad:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(960px 540px at 84% -12%, rgba(53,224,200,.10), transparent 68%),
    radial-gradient(720px 440px at 4% 6%, rgba(242,184,75,.055), transparent 70%),
    linear-gradient(rgba(255,255,255,.020) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.020) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--cyan);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.2px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
main{position:relative;z-index:1;}
.section{position:relative;z-index:1;padding:var(--sec-pad) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.section-kicker::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--cyan);opacity:.85;
}
.section-head h2{font-size:clamp(1.5rem,2.2vw,2.1rem);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;}
.lead{color:var(--muted);font-size:16px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,19,26,.74);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-nav{padding:0;background:transparent;}
.nav-inner{
  display:flex;align-items:center;gap:18px;
  min-height:var(--nav-h);
  flex-wrap:wrap;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--cyan);
  background:linear-gradient(160deg,rgba(53,224,200,.20),rgba(53,224,200,.04));
  border:1px solid rgba(53,224,200,.42);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16);
}
.brand-text{
  font-size:16px;font-weight:700;color:var(--text);
  letter-spacing:.4px;white-space:nowrap;
}
.brand:hover .brand-text{color:#fff;}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:42px;padding:0 12px;margin-left:auto;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;cursor:pointer;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:background .22s var(--ease);}
.nav-toggle:hover{border-color:rgba(53,224,200,.5);background:rgba(53,224,200,.08);}
.nav-toggle:hover span{background:var(--cyan);}
.nav-links{display:flex;align-items:center;gap:6px;margin:0;}
.nav-link{
  position:relative;display:block;
  padding:8px 13px;border-radius:999px;
  font-size:15px;color:var(--muted);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 10px rgba(53,224,200,.55);
}
.nav-tools{display:flex;align-items:center;gap:10px;}
.search-toggle{
  width:38px;height:38px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:50%;
  color:var(--muted);cursor:pointer;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.search-toggle:hover{color:var(--cyan);border-color:rgba(53,224,200,.5);background:rgba(53,224,200,.08);}
.nav-search{width:0;opacity:0;overflow:hidden;transition:width .3s var(--ease),opacity .24s var(--ease);}
.nav-tools.search-open .nav-search{width:220px;opacity:1;}
.nav-search input{
  width:100%;height:38px;padding:0 16px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:999px;
  color:var(--text);font-size:14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search input::placeholder{color:rgba(148,174,184,.85);}
.nav-search input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,224,200,.16);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;color:#EAFCF8;
  background:linear-gradient(180deg,rgba(53,224,200,.18),rgba(53,224,200,.07));
  border:1px solid rgba(53,224,200,.55);
  box-shadow:0 0 0 1px rgba(53,224,200,.08),0 12px 30px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.14);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-glow:hover,.btn-glow:focus-visible{
  color:#fff;transform:translateY(-1px);
  border-color:var(--cyan);
  box-shadow:0 0 22px rgba(53,224,200,.28),0 14px 34px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-glow:active{transform:translateY(0);}
.btn-sm-nav{padding:9px 16px;font-size:14px;white-space:nowrap;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;color:var(--text);
  background:transparent;border:1px solid var(--line-strong);
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{
  color:var(--cyan);border-color:rgba(53,224,200,.6);
  background:rgba(53,224,200,.06);transform:translateY(-1px);
}

/* ============ 分类页 Hero ============ */
.hero{
  position:relative;
  padding:76px 0 84px;
  background-image:
    linear-gradient(90deg, rgba(7,19,26,.97) 0%, rgba(7,19,26,.88) 44%, rgba(7,19,26,.66) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,transparent,rgba(7,19,26,.92));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;}
.crumbs .sep{opacity:.5;}
.crumbs .now{color:var(--text);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:52px;align-items:center;}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.12em;font-weight:600;
  color:var(--cyan);background:var(--cyan-soft);
  border:1px solid rgba(53,224,200,.32);
  margin-bottom:20px;
}
.hero-copy h1{
  font-size:clamp(2.2rem,4vw,3.4rem);
  line-height:1.22;margin-bottom:20px;letter-spacing:.5px;
}
.hero-copy h1 .hl{color:var(--cyan);}
.hero-sub{color:var(--muted);font-size:16.5px;max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  font-size:12.5px;color:var(--muted);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(242,184,75,.6);}
.hero-media{position:relative;}
.hero-media .media-frame{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
  background:var(--ink-700);
}
.hero-media .media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.glass-card{
  margin-top:-46px;margin-left:22px;position:relative;z-index:3;
  padding:24px 24px 20px;
  border-radius:var(--radius-lg);
  background:rgba(13,34,45,.58);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-card);
}
.glass-card h3{font-size:1.05rem;margin-bottom:6px;}
.glass-card .glass-note{font-size:13px;color:var(--muted);margin:0 0 14px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:#C9DCE3;padding:9px 0;
  border-top:1px dashed rgba(255,255,255,.08);
}
.check-list li:first-child{border-top:0;padding-top:2px;}
.check-list .tick{
  flex:0 0 auto;width:18px;height:18px;margin-top:3px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--cyan-soft);border:1px solid rgba(53,224,200,.45);
  color:var(--cyan);font-size:11px;font-weight:700;line-height:1;
}

/* ============ 指标卡 ============ */
.section.tight{padding-top:64px;}
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.metric-card{
  position:relative;
  padding:26px 26px 24px;
  border-radius:var(--radius-lg);
  background:var(--card-solid);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.metric-card:hover{transform:translateY(-3px);border-color:rgba(53,224,200,.34);box-shadow:var(--shadow-card);}
.metric-card .m-top{display:flex;align-items:baseline;gap:10px;margin-bottom:10px;}
.metric-value{font-size:1.9rem;font-weight:700;color:var(--cyan);line-height:1.1;letter-spacing:.5px;}
.metric-label{font-size:15px;font-weight:600;color:var(--text);}
.metric-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
.metric-card .m-tag{
  position:absolute;top:20px;right:20px;
  font-size:12px;padding:3px 10px;border-radius:999px;
  color:var(--gold);background:var(--gold-soft);border:1px solid rgba(242,184,75,.28);
}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
.split.reverse .split-media{order:2;}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.split-media .media-badge{
  position:absolute;left:16px;bottom:16px;
  font-size:12.5px;padding:6px 13px;border-radius:999px;
  color:#EAFCF8;background:rgba(7,19,26,.72);
  border:1px solid rgba(53,224,200,.4);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.split-body h2{font-size:clamp(1.5rem,2.2vw,2.1rem);margin-bottom:16px;}
.split-body > p{color:var(--muted);font-size:15.5px;}
.feature-list{margin-top:22px;display:grid;gap:14px;}
.feature-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.feature-list li:hover{border-color:rgba(53,224,200,.32);transform:translateY(-2px);}
.feature-list .dot{
  flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--gold);box-shadow:0 0 10px rgba(242,184,75,.5);
}
.feature-list strong{display:block;font-size:15px;color:var(--text);margin-bottom:2px;}
.feature-list span{font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ 步骤时间轴 ============ */
.steps{position:relative;display:grid;gap:0;margin-top:8px;}
.step{
  position:relative;
  display:grid;grid-template-columns:56px minmax(0,1fr);
  gap:22px;padding-bottom:34px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(53,224,200,.42),rgba(53,224,200,.06));
}
.step:last-child::before{display:none;}
.step-num{
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--cyan);
  background:rgba(9,24,32,.96);
  border:1px solid rgba(53,224,200,.42);
  box-shadow:0 0 0 6px rgba(53,224,200,.06),inset 0 1px 0 rgba(255,255,255,.12);
  position:relative;z-index:2;
}
.step-card{
  padding:22px 24px;border-radius:var(--radius-lg);
  background:var(--card-solid);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.step-card:hover{transform:translateY(-3px);border-color:rgba(53,224,200,.32);}
.step-card h3{font-size:1.08rem;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--muted);margin:0 0 12px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;padding:4px 11px;border-radius:999px;
  color:var(--cyan);background:var(--cyan-soft);border:1px solid rgba(53,224,200,.28);
}
.tag.gold{color:var(--gold);background:var(--gold-soft);border-color:rgba(242,184,75,.28);}

/* ============ 表单区 ============ */
.consult-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:start;}
.form-card{
  padding:32px;border-radius:var(--radius-lg);
  background:var(--card-solid);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.form-card h2{font-size:clamp(1.4rem,2vw,1.9rem);margin-bottom:10px;}
.form-card .form-intro{font-size:14.5px;color:var(--muted);margin-bottom:24px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;color:var(--muted);margin-bottom:7px;letter-spacing:.3px;}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 19px,calc(100% - 14px) 19px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field select option{background:#0B1F2A;color:var(--text);}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(148,174,184,.7);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);background:rgba(53,224,200,.05);
  box-shadow:0 0 0 3px rgba(53,224,200,.16);
}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:4px;}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin:16px 0 0;}
.form-status{
  grid-column:1 / -1;margin-top:4px;padding:12px 16px;border-radius:var(--radius-md);
  font-size:14px;border:1px solid transparent;
}
.form-status.is-error{color:#F4A9A9;background:rgba(214,95,95,.12);border-color:rgba(214,95,95,.36);}
.form-status.is-ok{color:var(--cyan);background:rgba(53,224,200,.10);border-color:rgba(53,224,200,.34);}
.consult-side{display:grid;gap:18px;}
.side-card{
  padding:24px;border-radius:var(--radius-lg);
  background:rgba(13,34,45,.66);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.side-card h3{font-size:1.05rem;margin-bottom:12px;}
.side-card p{font-size:14px;color:var(--muted);margin:0 0 12px;}
.side-card p:last-child{margin-bottom:0;}
.info-rows{display:grid;gap:12px;margin-top:4px;}
.info-row{display:flex;justify-content:space-between;gap:14px;font-size:14px;padding-bottom:11px;border-bottom:1px dashed rgba(255,255,255,.08);}
.info-row:last-child{border-bottom:0;padding-bottom:0;}
.info-row .k{color:var(--muted);}
.info-row .v{color:var(--text);font-weight:600;text-align:right;}
.side-note{
  font-size:13px;color:var(--muted);line-height:1.75;
  padding:14px 16px;border-radius:var(--radius-md);
  background:rgba(242,184,75,.07);
  border:1px solid rgba(242,184,75,.22);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{
  background:var(--card-solid);
  border:1px solid var(--line);
  border-radius:var(--radius-md) !important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.accordion-item:hover{border-color:rgba(53,224,200,.28);}
.accordion-button{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:19px 22px;
  font-size:16.5px;font-weight:600;color:var(--text);
  background:transparent;border:0;box-shadow:none;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.accordion-button:not(.collapsed){color:var(--cyan);background:rgba(53,224,200,.05);box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--cyan);outline-offset:-2px;border-radius:var(--radius-md);}
.accordion-button::after{
  content:"";margin-left:auto;flex:0 0 auto;
  width:9px;height:9px;
  border-right:2px solid var(--cyan);
  border-bottom:2px solid var(--cyan);
  background-image:none;
  transform:rotate(45deg) translateY(-2px);
  transition:transform .26s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg) translateY(-2px);}
.accordion-body{
  padding:0 22px 22px;
  font-size:15px;line-height:1.85;color:var(--muted);
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:18px;
}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;z-index:1;
  padding:0 0 var(--sec-pad);
}
.cta-inner{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:32px;align-items:center;
  padding:44px 46px;
  border-radius:24px;
  border:1px solid rgba(53,224,200,.26);
  background-image:
    linear-gradient(100deg,rgba(9,24,32,.96) 0%,rgba(11,31,42,.86) 58%,rgba(11,31,42,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-card);
}
.cta-inner h2{font-size:clamp(1.4rem,2.2vw,2rem);margin-bottom:12px;}
.cta-inner p{color:var(--muted);font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:14px;}
.cta-fine{font-size:12.5px;color:rgba(148,174,184,.85);margin-top:20px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;
  background:linear-gradient(180deg,rgba(9,24,32,.9),rgba(6,16,22,.98));
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:40px;
}
.footer-brand p{font-size:14px;color:var(--muted);margin:18px 0 0;line-height:1.85;max-width:400px;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.6px;font-weight:600;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(148,174,184,.82);line-height:1.8;
}
.footer-bottom .dot{margin:0 8px;opacity:.5;}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .site-nav .navbar-collapse{
    display:flex !important;
    flex:1 1 auto;
    align-items:center;
    justify-content:space-between;
    gap:24px;
  }
  .nav-toggle{display:none;}
  .nav-tools{margin-left:auto;}
}
@media (max-width:1199.98px){
  .hero-grid{gap:40px;}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px;}
  .nav-inner{padding-top:8px;padding-bottom:8px;}
  .site-nav .navbar-collapse{
    flex-basis:100%;
    margin:10px 0 12px;
    padding:16px;
    border-radius:16px;
    background:rgba(9,24,32,.96);
    border:1px solid var(--line);
  }
  .nav-links{flex-direction:column;align-items:stretch;gap:4px;width:100%;}
  .nav-link{padding:11px 14px;border-radius:12px;}
  .nav-link.active{background:rgba(53,224,200,.10);}
  .nav-link.active::after{left:14px;right:auto;width:18px;bottom:8px;}
  .nav-tools{flex-wrap:wrap;gap:12px;margin-top:16px;width:100%;}
  .search-toggle{display:none;}
  .nav-search,.nav-tools.search-open .nav-search{width:100%;opacity:1;}
  .nav-search input{height:42px;width:100%;}
  .btn-sm-nav{width:100%;padding:12px 18px;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .hero-media{order:2;}
  .glass-card{margin:-38px 16px 0;}
  .split,.consult-grid,.cta-inner{grid-template-columns:minmax(0,1fr);gap:30px;}
  .split.reverse .split-media{order:0;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  :root{--sec-pad:52px;}
  .hero-copy h1{letter-spacing:.3px;}
  .metric-grid{grid-template-columns:minmax(0,1fr);}
  .form-card{padding:24px 20px;}
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{padding:32px 24px;}
  .brand-text{font-size:14.5px;}
  .section-head{margin-bottom:28px;}
  .step{grid-template-columns:44px minmax(0,1fr);gap:16px;}
  .step-num{width:44px;height:44px;font-size:14px;}
  .step::before{left:21px;top:44px;}
  .step-card{padding:18px 18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .hero-actions{width:100%;}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%;}
  .form-actions .btn-glow{width:100%;}
  .accordion-button{font-size:15.5px;padding:16px 16px;}
  .accordion-body{padding:14px 16px 18px;font-size:14.5px;}
  .metric-card{padding:22px 20px;}
  .glass-card{margin-left:0;margin-right:0;}
  body::before{background-size:auto,auto,80px 80px,80px 80px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important;}
}