/* roulang page: index */
:root{
  --ink:#070C1B;
  --ink-2:#0B1428;
  --glass:rgba(18,28,52,0.55);
  --neon:#2FE3C8;
  --neon-deep:#19B6A2;
  --signal:#FFB020;
  --flare:#FF5C8A;
  --text:#E9F0FB;
  --muted:#9BABC9;
  --dim:#5A6A88;
  --line:rgba(120,200,255,0.14);
  --line-strong:rgba(47,227,200,0.38);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-badge:999px;
  --r-panel:24px;
  --shadow-soft:0 8px 24px rgba(3,8,20,.45);
  --shadow-glow:0 8px 24px rgba(47,227,200,.28);
  --shadow-amber:0 0 0 1px rgba(255,176,32,.4), 0 10px 30px rgba(255,176,32,.14);
  --ease:cubic-bezier(.4,.1,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"tnum";
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(120,200,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,200,255,.055) 1px, transparent 1px);
  background-size:52px 52px;
  opacity:.65;
}
header,main,footer{position:relative;z-index:1}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--neon)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,button{font-size:inherit}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section + .section{border-top:1px solid rgba(120,200,255,.08)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-badge);
  border:1px solid var(--line-strong);
  color:var(--neon);font-size:12px;letter-spacing:.06em;
  background:rgba(47,227,200,.06);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px var(--neon)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{color:var(--muted);font-size:14px;margin-top:10px;max-width:52ch}
.link-more{font-size:14px;color:var(--neon);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{text-decoration:underline;text-underline-offset:4px}
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:var(--r-card);
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,27,.72);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:24px;height:24px;border-radius:7px;
  background:linear-gradient(135deg,#2FE3C8 0%,#19B6A2 100%);
  display:grid;place-items:center;
  box-shadow:0 0 16px rgba(47,227,200,.45);
}
.brand-mark svg{width:14px;height:14px}
.brand-text{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--text);white-space:nowrap}
.brand:hover .brand-text{color:var(--neon)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:var(--r-badge);
  font-size:14px;color:var(--muted);letter-spacing:.02em;
  transition:color .22s var(--ease),background .22s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--neon);opacity:0;transform:scaleX(.4);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
  box-shadow:0 0 10px rgba(47,227,200,.8);
}
.nav-link:hover{color:var(--neon)}
.nav-link:hover::after{opacity:1;transform:scaleX(1)}
.nav-link.active{
  color:var(--neon);background:rgba(47,227,200,.09);
  border:1px solid rgba(47,227,200,.22);
}
.nav-link.active::after{display:none}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  width:200px;height:38px;border-radius:var(--r-badge);
  background:rgba(18,28,52,.6);border:1px solid var(--line);
  display:flex;align-items:center;padding:0 14px;gap:8px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(47,227,200,.12)}
.nav-search svg{width:15px;height:15px;color:var(--dim);flex-shrink:0}
.nav-search input{
  background:transparent;border:0;outline:0;color:var(--text);
  width:100%;font-size:13px;
}
.nav-search input::placeholder{color:var(--dim);font-size:13px}
.nav-text-btn{font-size:14px;color:var(--muted);padding:8px 4px;white-space:nowrap}
.nav-text-btn:hover{color:var(--neon);text-decoration:underline;text-underline-offset:4px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn-sm{height:36px;padding:0 18px;font-size:13px}
.btn-primary{
  background:linear-gradient(135deg,#2FE3C8 0%,#19B6A2 100%);
  color:#04121A;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06);color:#04121A;box-shadow:0 12px 30px rgba(47,227,200,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(4,18,26,.45)}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,200,.18),0 8px 24px rgba(47,227,200,.28)}
.btn-ghost{
  background:rgba(18,28,52,.5);border-color:var(--line);color:var(--text);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--neon);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,200,.18)}
.btn[disabled],.btn.disabled{opacity:.45;pointer-events:none}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 88px;
}
.hero::before,.hero::after{
  content:"";position:absolute;pointer-events:none;border-radius:50%;
  filter:blur(10px);
}
.hero::before{
  width:720px;height:720px;top:-320px;left:-180px;
  background:radial-gradient(circle,rgba(47,227,200,.08),transparent 66%);
}
.hero::after{
  width:560px;height:560px;bottom:-260px;right:-140px;
  background:radial-gradient(circle,rgba(255,176,32,.06),transparent 66%);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:58% 42%;gap:48px;align-items:center;
}
.hero h1{font-size:clamp(30px,4.6vw,54px);margin:20px 0 0}
.hero h1 .accent{
  background:linear-gradient(100deg,#2FE3C8 0%,#7CF3E0 60%,#2FE3C8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;color:var(--muted);font-size:16px;line-height:1.75;max-width:34ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.hero-trust svg{width:15px;height:15px;color:var(--neon);flex-shrink:0}
.hero-visual{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/10;
  box-shadow:inset 0 0 70px rgba(47,227,200,.13),var(--shadow-soft);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,27,.05) 0%,rgba(7,12,27,.55) 100%);
}
.hero-float{
  position:absolute;z-index:2;left:18px;top:18px;
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:14px;
  background:rgba(11,20,40,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.hero-float .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--signal);
  box-shadow:0 0 12px rgba(255,176,32,.9);flex-shrink:0;
}
.hero-float .num{font-size:18px;font-weight:700;letter-spacing:-0.02em;color:var(--signal);line-height:1.1}
.hero-float .lbl{font-size:12px;color:var(--muted);line-height:1.4;margin-top:2px}

/* ---------- metrics ---------- */
.metrics{padding:0 0 8px}
.metrics-inner{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.metric{
  padding:30px 24px;text-align:left;
  border-left:1px solid rgba(120,200,255,.1);
}
.metric:first-child{border-left:0;padding-left:0}
.metric-num{font-size:30px;font-weight:700;letter-spacing:-0.02em;color:var(--neon);line-height:1.1}
.metric-num span{font-size:15px;color:var(--muted);font-weight:500;margin-left:4px}
.metric-label{font-size:13px;color:var(--muted);margin-top:8px}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.bento-card{
  position:relative;padding:24px;display:flex;flex-direction:column;gap:10px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  overflow:hidden;
}
.bento-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(47,227,200,.22),var(--shadow-soft)}
.bento-card .icon{width:28px;height:28px;color:var(--neon)}
.bento-card h3{font-size:17px;margin-top:4px}
.bento-card p{font-size:13px;color:var(--muted);line-height:1.7}
.bento-card .go{
  margin-top:auto;font-size:13px;color:var(--neon);
  display:inline-flex;align-items:center;gap:6px;padding-top:8px;
}
.bento-card.wide{grid-column:span 2}
.bento-card.wide{padding:28px}
.bento-card.wide h3{font-size:20px}
.bento-card.wide .icon{width:32px;height:32px}
.bento-card .corner{
  position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,200,.12),transparent 70%);
  pointer-events:none;
}
.bento-card.wide .corner{background:radial-gradient(circle,rgba(255,176,32,.12),transparent 70%)}

/* ---------- compare table ---------- */
.cmp-desktop{display:block;overflow:hidden;border-radius:var(--r-card)}
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
.cmp-table th,.cmp-table td{padding:15px 18px;border-bottom:1px solid rgba(120,200,255,.09);text-align:center}
.cmp-table thead th{
  background:rgba(18,28,52,.78);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  font-weight:600;font-size:15px;color:var(--text);
}
.cmp-table thead th:first-child{text-align:left;color:var(--muted);font-weight:500;font-size:13px}
.cmp-table tbody th{
  text-align:left;font-weight:500;color:var(--muted);font-size:14px;
  background:rgba(11,20,40,.55);
}
.cmp-table td{color:var(--neon);font-weight:600;font-size:15px}
.cmp-table td.off{color:var(--dim);font-weight:400}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table .hot-col{background:rgba(255,176,32,.055)}
.cmp-table thead .hot-head{
  color:var(--signal);
  background:rgba(255,176,32,.1);
  box-shadow:inset 0 0 0 1px rgba(255,176,32,.35);
  border-radius:14px 14px 0 0;
  position:relative;
}
.hot-badge{
  display:inline-block;margin-left:8px;padding:2px 8px;border-radius:var(--r-badge);
  font-size:11px;font-weight:600;color:#231400;background:var(--signal);
  vertical-align:middle;
}
.cmp-mobile{display:none}
.cmp-card{padding:22px}
.cmp-card.hot{border-color:rgba(255,176,32,.4);box-shadow:var(--shadow-amber)}
.cmp-card-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.cmp-card-title h3{font-size:18px}
.cmp-card-title .tag{
  font-size:11px;padding:3px 10px;border-radius:var(--r-badge);
  background:rgba(255,176,32,.16);color:var(--signal);border:1px solid rgba(255,176,32,.35);
}
.cmp-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0;border-bottom:1px dashed rgba(120,200,255,.1);
  font-size:13px;color:var(--muted);
}
.cmp-row:last-child{border-bottom:0}
.cmp-row b{color:var(--neon);font-weight:600}
.cmp-row b.off{color:var(--dim);font-weight:400}

/* ---------- ladder ---------- */
.ladder{position:relative;padding:8px 0}
.ladder::before{
  content:"";position:absolute;left:11px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(255,176,32,.55),rgba(47,227,200,.35),rgba(120,200,255,.08));
}
.ladder-item{position:relative;padding-left:40px;margin-bottom:20px}
.ladder-item:last-child{margin-bottom:0}
.ladder-node{
  position:absolute;left:4px;top:26px;width:15px;height:15px;border-radius:50%;
  background:var(--ink);border:2px solid var(--signal);
  box-shadow:0 0 0 4px rgba(255,176,32,.12),0 0 16px rgba(255,176,32,.5);
}
.ladder-card{padding:22px 24px;transition:border-color .24s var(--ease),transform .24s var(--ease)}
.ladder-card:hover{border-color:rgba(255,176,32,.34);transform:translateX(2px)}
.ladder-name{font-size:18px;display:flex;align-items:center;gap:10px}
.ladder-name em{
  font-style:normal;font-size:12px;color:var(--signal);
  border:1px solid rgba(255,176,32,.35);border-radius:var(--r-badge);
  padding:2px 9px;background:rgba(255,176,32,.08);
}
.ladder-req{font-size:12px;color:var(--dim);margin-top:6px}
.ladder-list{margin-top:14px;display:grid;gap:8px}
.ladder-list li{display:flex;gap:8px;font-size:13px;color:var(--muted);line-height:1.7}
.ladder-list li::before{content:"—";color:var(--neon);flex-shrink:0}

/* ---------- preview ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.preview-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);height:290px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.preview-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.preview-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,27,.12) 0%,rgba(7,12,27,.86) 100%);
}
.preview-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-soft)}
.preview-card:hover img{transform:scale(1.05)}
.preview-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px}
.preview-body .kicker{font-size:12px;color:var(--neon);letter-spacing:.05em}
.preview-body h3{font-size:18px;margin-top:8px}
.preview-body p{font-size:13px;color:var(--muted);margin-top:6px}
.preview-go{
  position:absolute;z-index:3;right:20px;top:20px;
  padding:7px 15px;border-radius:var(--r-badge);font-size:12px;
  background:rgba(47,227,200,.14);border:1px solid rgba(47,227,200,.45);color:var(--neon);
  opacity:0;transform:translateY(-6px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.preview-card:hover .preview-go{opacity:1;transform:translateY(0)}
.preview-card:nth-child(1){grid-column:span 7}
.preview-card:nth-child(2){grid-column:span 5}
.preview-card:nth-child(3){grid-column:span 5}
.preview-card:nth-child(4){grid-column:span 7}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  display:block;padding:20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{border-color:var(--line-strong);transform:translateX(2px);box-shadow:0 0 0 1px rgba(47,227,200,.18),var(--shadow-soft)}
.news-tag{
  display:inline-block;padding:2px 10px;border-radius:var(--r-badge);
  font-size:11px;color:var(--neon);border:1px solid rgba(47,227,200,.38);
  background:rgba(47,227,200,.07);
}
.news-card h3{
  font-size:17px;margin-top:12px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--muted);margin-top:8px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--dim)}
.news-foot .arrow{color:var(--neon);transition:transform .24s var(--ease)}
.news-card:hover .news-foot .arrow{transform:translateX(4px)}
.news-empty{
  grid-column:1/-1;min-height:200px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;text-align:center;
  border:1px dashed rgba(120,200,255,.16);border-radius:var(--r-card);
  color:var(--muted);font-size:14px;background:rgba(11,20,40,.4);
}
.news-empty svg{width:32px;height:32px;color:var(--dim)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  border-radius:16px;background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  overflow:hidden;position:relative;
  transition:border-color .24s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--neon);opacity:0;transition:opacity .24s var(--ease);
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 22px;
  font-size:16px;font-weight:600;position:relative;
  transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--neon)}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;
  margin-top:-7px;
  background:
    linear-gradient(currentColor,currentColor) center/12px 2px no-repeat,
    linear-gradient(currentColor,currentColor) center/2px 12px no-repeat;
  color:var(--neon);
  transition:transform .26s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px 22px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;padding:56px 48px;border-radius:var(--r-panel);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
}
.cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
.cta-band::before{width:420px;height:420px;top:-180px;left:-120px;background:radial-gradient(circle,rgba(47,227,200,.16),transparent 68%)}
.cta-band::after{width:380px;height:380px;bottom:-200px;right:-100px;background:radial-gradient(circle,rgba(255,176,32,.13),transparent 68%)}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,34px);max-width:22ch}
.cta-inner p{color:var(--muted);font-size:14px;margin-top:12px;max-width:46ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-note{font-size:12px;color:var(--dim);margin-top:14px;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:#05090F;border-top:1px solid rgba(120,200,255,.1);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{font-size:15px}
.footer-desc{font-size:13px;color:var(--muted);line-height:1.8;max-width:30ch}
.footer-title{font-size:13px;font-weight:600;color:var(--text);letter-spacing:.04em;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13px;color:var(--muted)}
.footer-links a:hover{color:var(--neon)}
.footer-bottom{
  border-top:1px solid rgba(120,200,255,.08);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:12px;color:var(--dim);
}
.footer-bottom .muted-note{color:var(--dim)}

/* ---------- mobile drawer ---------- */
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(18,28,52,.6);border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--text);
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--neon)}
.nav-toggle svg{width:18px;height:18px}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:68px;bottom:0;z-index:55;
  background:rgba(7,12,27,.97);
  -webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
  padding:24px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .m-search{
  height:44px;border-radius:var(--r-btn);background:rgba(18,28,52,.7);
  border:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:0 14px;margin-bottom:20px;
}
.mobile-drawer .m-search input{background:transparent;border:0;outline:0;color:var(--text);width:100%;font-size:14px}
.mobile-drawer .m-search input::placeholder{color:var(--dim)}
.mobile-nav{display:grid;gap:6px;margin-bottom:24px}
.mobile-nav a{
  font-size:18px;padding:12px 14px;border-radius:12px;color:var(--text);
  border:1px solid transparent;
}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--neon);background:rgba(47,227,200,.08);border-color:rgba(47,227,200,.2)}
.mobile-actions{display:grid;gap:12px}
.mobile-actions .btn{width:100%}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1120px}
}
@media (max-width:1024px){
  .section{padding:64px 0}
  .hero{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:100%}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-search{display:none}
  .metrics-inner{grid-template-columns:repeat(2,1fr)}
  .metric{border-left:0;border-top:1px solid rgba(120,200,255,.1);padding:24px 0}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-card.wide{grid-column:span 2}
  .cmp-desktop{display:none}
  .cmp-mobile{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .ladder::before{left:50%;transform:translateX(-50%)}
  .ladder-item{width:50%;padding:0 48px 0 0;margin-bottom:18px}
  .ladder-item:nth-child(even){margin-left:50%;padding:0 0 0 48px}
  .ladder-node{left:auto;right:-8px;top:28px}
  .ladder-item:nth-child(even) .ladder-node{left:-8px;right:auto}
  .ladder-card:hover{transform:translateY(-2px)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:52px 0}
  .nav-inner{height:60px;padding:0 20px;gap:12px}
  .mobile-drawer{top:60px}
  .nav-text-btn{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .hero-trust{gap:14px}
  .hero-float{left:12px;top:12px;padding:10px 12px}
  .bento{grid-template-columns:1fr}
  .bento-card.wide{grid-column:span 1}
  .cmp-mobile{grid-template-columns:1fr}
  .ladder::before{left:11px;transform:none}
  .ladder-item{width:100%;padding:0 0 0 40px;margin-bottom:16px}
  .ladder-item:nth-child(even){margin-left:0;padding:0 0 0 40px}
  .ladder-node{left:4px;right:auto}
  .ladder-item:nth-child(even) .ladder-node{left:4px;right:auto}
  .preview-grid{grid-template-columns:1fr;gap:16px}
  .preview-card{grid-column:span 1 !important;height:250px}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:first-child{grid-column:1/-1}
  .footer-col:last-child{grid-column:1/-1}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .metrics-inner{grid-template-columns:1fr 1fr}
  .metric-num{font-size:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .mobile-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:14px}
  .preview-body{padding:16px}
  .preview-body h3{font-size:16px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .bento-card:hover,.news-card:hover,.ladder-card:hover,.preview-card:hover img,.btn-primary:hover{transform:none !important}
}

/* roulang page: article */
:root{
    --ink:#070C1B;
    --ink-2:#0B1428;
    --glass:rgba(18,28,52,.55);
    --glass-strong:rgba(18,28,52,.78);
    --line:rgba(120,200,255,.14);
    --line-strong:rgba(47,227,200,.38);
    --neon:#2FE3C8;
    --neon-deep:#19B6A2;
    --amber:#FFB020;
    --magenta:#FF5C8A;
    --text:#E9F0FB;
    --text-2:#9BABC9;
    --text-3:#5A6A88;
    --r-card:18px;
    --r-btn:12px;
    --r-pill:999px;
    --shadow:0 8px 24px rgba(3,8,20,.45);
    --shadow-glow:0 8px 24px rgba(47,227,200,.28);
    --shadow-amber:0 0 0 1px rgba(255,176,32,.4), 0 10px 30px rgba(255,176,32,.14);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--ink);
    color:var(--text);
    font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background-image:
      linear-gradient(rgba(120,200,255,.055) 1px, transparent 1px),
      linear-gradient(90deg, rgba(120,200,255,.055) 1px, transparent 1px);
    background-size:58px 58px;
    opacity:.85;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--neon);}
  button{font-family:inherit;}
  input{font-family:inherit;}
  h1,h2,h3,h4,p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,200,.28);border-radius:8px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(7,12,27,.72);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:22px;
    height:68px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
    color:var(--text);
  }
  .brand:hover{color:var(--text);}
  .brand-mark{
    width:24px;height:24px;
    border-radius:7px;
    display:grid;
    place-items:center;
    background:linear-gradient(135deg,#3BF3D8,var(--neon-deep));
    box-shadow:0 0 18px rgba(47,227,200,.45);
    flex-shrink:0;
  }
  .brand-mark svg{width:16px;height:16px;display:block;}
  .brand-text{
    font-size:15px;
    font-weight:600;
    letter-spacing:.02em;
    white-space:nowrap;
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:4px;
    flex:1 1 auto;
    min-width:0;
  }
  .nav-link{
    position:relative;
    padding:7px 12px;
    border:1px solid transparent;
    border-radius:var(--r-pill);
    font-size:14px;
    color:var(--text-2);
    letter-spacing:.02em;
    white-space:nowrap;
    transition:color .2s ease, background .2s ease, border-color .2s ease;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:1px;
    height:2px;
    border-radius:2px;
    background:var(--neon);
    box-shadow:0 0 10px rgba(47,227,200,.9);
    opacity:0;
    transition:opacity .2s ease;
  }
  .nav-link:hover{color:var(--neon);}
  .nav-link:hover::after{opacity:1;}
  .nav-link.active{
    color:var(--neon);
    background:rgba(47,227,200,.1);
    border-color:var(--line-strong);
  }
  .nav-link.active::after{opacity:0;}

  .header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .nav-search{position:relative;display:flex;align-items:center;}
  .nav-search input{
    width:200px;
    height:36px;
    padding:0 14px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:rgba(18,28,52,.6);
    color:var(--text);
    font-size:13px;
    transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .nav-search input::placeholder{color:var(--text-3);}
  .nav-search input:focus{
    outline:none;
    border-color:var(--line-strong);
    background:rgba(18,28,52,.85);
    box-shadow:0 0 0 3px rgba(47,227,200,.16);
  }
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:36px;
    padding:0 16px;
    border-radius:var(--r-btn);
    font-size:14px;
    font-weight:600;
    letter-spacing:.02em;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease, filter .2s ease;
    white-space:nowrap;
  }
  .btn-primary{
    color:#04121A;
    background:linear-gradient(135deg,#3BF3D8,var(--neon-deep));
    box-shadow:var(--shadow-glow);
  }
  .btn-primary:hover{
    color:#04121A;
    filter:brightness(1.06);
    transform:translateY(-1px);
    box-shadow:0 12px 30px rgba(47,227,200,.36);
  }
  .btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(4,18,26,.35);}
  .btn-ghost{
    color:var(--text-2);
    background:rgba(18,28,52,.5);
    border-color:var(--line);
  }
  .btn-ghost:hover{
    color:var(--neon);
    border-color:var(--line-strong);
    background:rgba(18,28,52,.8);
  }
  .btn-ghost:active{transform:translateY(1px);}
  .btn-lg{height:48px;padding:0 26px;font-size:15px;border-radius:var(--r-btn);}
  .nav-toggle{
    display:none;
    width:38px;height:38px;
    align-items:center;
    justify-content:center;
    border-radius:10px;
    background:rgba(18,28,52,.6);
    border:1px solid var(--line);
    color:var(--text);
    cursor:pointer;
  }
  .nav-toggle:hover{border-color:var(--line-strong);color:var(--neon);}

  .mobile-drawer{
    display:none;
    position:fixed;
    left:0;right:0;top:60px;bottom:0;
    z-index:59;
    padding:22px 20px 40px;
    background:rgba(7,12,27,.97);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
    overflow-y:auto;
  }
  .mobile-drawer.open{display:block;}
  .drawer-search{display:flex;margin-bottom:20px;}
  .drawer-search input{
    width:100%;height:44px;
    padding:0 16px;
    border-radius:var(--r-btn);
    border:1px solid var(--line);
    background:rgba(18,28,52,.7);
    color:var(--text);
    font-size:14px;
  }
  .drawer-search input::placeholder{color:var(--text-3);}
  .drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
  .drawer-links a{
    display:block;
    padding:12px 14px;
    border-radius:12px;
    font-size:18px;
    color:var(--text-2);
    border:1px solid transparent;
  }
  .drawer-links a:hover,.drawer-links a.active{
    color:var(--neon);
    background:rgba(47,227,200,.08);
    border-color:var(--line-strong);
  }
  .drawer-actions{display:flex;flex-direction:column;gap:10px;}
  .drawer-actions .btn{width:100%;height:46px;font-size:15px;}

  /* ---------- 面包屑 ---------- */
  .page-main{position:relative;z-index:1;padding-bottom:88px;}
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    padding:26px 0 0;
    font-size:13px;
    color:var(--text-3);
  }
  .breadcrumb a{color:var(--text-3);}
  .breadcrumb a:hover{color:var(--neon);}
  .breadcrumb .sep{color:rgba(120,200,255,.28);}
  .breadcrumb .current{
    color:var(--text-2);
    max-width:38ch;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }

  /* ---------- 文章布局 ---------- */
  .article-layout{
    display:grid;
    grid-template-columns:minmax(0,760px) 264px;
    gap:56px;
    justify-content:center;
    align-items:start;
    padding-top:28px;
  }
  .article-main{min-width:0;}

  .article-head{padding-bottom:24px;border-bottom:1px solid var(--line);}
  .article-badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:3px 12px;
    border-radius:var(--r-pill);
    font-size:12px;
    letter-spacing:.04em;
    color:var(--neon);
    border:1px solid var(--line-strong);
    background:rgba(47,227,200,.08);
  }
  .badge-amber{
    color:var(--amber);
    border-color:rgba(255,176,32,.4);
    background:rgba(255,176,32,.1);
  }
  .article-title{
    font-size:clamp(28px,3.6vw,44px);
    line-height:1.28;
    letter-spacing:-.01em;
    font-weight:700;
    color:var(--text);
    margin-bottom:18px;
    overflow-wrap:break-word;
  }
  .article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:16px;
    font-size:13px;
    color:var(--text-3);
  }
  .article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(120,200,255,.35);}
  .article-meta strong{color:var(--text-2);font-weight:500;}

  /* ---------- 正文样式 ---------- */
  .article-body{
    padding-top:34px;
    font-size:16px;
    line-height:1.9;
    color:var(--text);
    overflow-wrap:break-word;
    word-break:break-word;
  }
  .article-body > *:first-child{margin-top:0;}
  .article-body h2{
    position:relative;
    margin:44px 0 16px;
    padding-left:18px;
    font-size:clamp(22px,2.4vw,28px);
    line-height:1.35;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--text);
  }
  .article-body h2::before{
    content:"";
    position:absolute;
    left:0;top:.2em;bottom:.2em;
    width:4px;
    border-radius:var(--r-pill);
    background:linear-gradient(180deg,#3BF3D8,var(--neon-deep));
    box-shadow:0 0 12px rgba(47,227,200,.45);
  }
  .article-body h3{
    margin:30px 0 12px;
    font-size:20px;
    line-height:1.4;
    font-weight:600;
    color:var(--text);
  }
  .article-body h4{
    margin:24px 0 10px;
    font-size:17px;
    font-weight:600;
    color:var(--text-2);
  }
  .article-body p{margin:0 0 18px;color:#DDE7F7;}
  .article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
  .article-body ul li{list-style:disc;margin:8px 0;color:#DDE7F7;}
  .article-body ol li{list-style:decimal;margin:8px 0;color:#DDE7F7;}
  .article-body li::marker{color:var(--neon);}
  .article-body a{
    color:var(--neon);
    text-decoration:underline;
    text-decoration-thickness:1px;
    text-underline-offset:3px;
  }
  .article-body a:hover{color:#7BF3E2;}
  .article-body strong{color:#FFFFFF;font-weight:600;}
  .article-body blockquote{
    margin:26px 0;
    padding:18px 22px;
    border-radius:14px;
    border-left:3px solid var(--neon);
    background:var(--glass);
    color:#CBE0F7;
    font-size:15px;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{
    max-width:100%;
    height:auto;
    border-radius:14px;
    border:1px solid var(--line);
    margin:24px 0 10px;
  }
  .article-body figure{margin:24px 0;}
  .article-body figcaption{
    font-size:13px;
    color:var(--text-3);
    text-align:center;
    margin-top:10px;
  }
  .article-body table{
    width:100%;
    border-collapse:collapse;
    margin:22px 0;
    font-size:14px;
    border-radius:12px;
    overflow:hidden;
  }
  .article-body th,.article-body td{
    border:1px solid var(--line);
    padding:10px 14px;
    text-align:left;
    vertical-align:top;
  }
  .article-body th{background:rgba(18,28,52,.75);color:var(--text);font-weight:600;}
  .article-body td{color:var(--text-2);}
  .article-body hr{
    border:none;
    height:1px;
    background:var(--line);
    margin:34px 0;
  }
  .article-body code{
    padding:2px 6px;
    border-radius:6px;
    background:rgba(47,227,200,.1);
    color:var(--neon);
    font-size:14px;
  }

  .empty-state{
    margin-top:34px;
    padding:64px 24px;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--glass);
    text-align:center;
  }
  .empty-state .empty-icon{
    width:56px;height:56px;
    margin:0 auto 18px;
    border-radius:16px;
    display:grid;
    place-items:center;
    border:1px solid var(--line-strong);
    background:rgba(47,227,200,.08);
    color:var(--neon);
  }
  .empty-state h2{font-size:20px;margin-bottom:8px;color:var(--text);}
  .empty-state p{font-size:14px;color:var(--text-2);margin-bottom:22px;}

  /* ---------- 文末区块 ---------- */
  .article-foot{
    margin-top:52px;
    padding-top:34px;
    border-top:1px solid var(--line);
  }
  .foot-head{
    display:flex;
    align-items:baseline;
    justify-content:space-between;
    gap:16px;
    margin-bottom:20px;
  }
  .foot-head h2{
    font-size:20px;
    font-weight:700;
    letter-spacing:-.01em;
  }
  .foot-head span{font-size:13px;color:var(--text-3);}
  .related-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:16px;
  }
  .related-card{
    display:flex;
    flex-direction:column;
    gap:12px;
    padding:16px;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--glass);
    box-shadow:var(--shadow);
    transition:border-color .25s ease, transform .25s ease, box-shadow .25s ease;
  }
  .related-card:hover{
    border-color:var(--line-strong);
    transform:translateY(-3px);
    box-shadow:0 12px 28px rgba(3,8,20,.5), 0 0 0 1px rgba(47,227,200,.18);
  }
  .related-thumb{
    position:relative;
    overflow:hidden;
    border-radius:12px;
    aspect-ratio:16/10;
    border:1px solid var(--line);
  }
  .related-thumb img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .4s ease;
  }
  .related-card:hover .related-thumb img{transform:scale(1.05);}
  .related-card h3{
    font-size:15px;
    font-weight:600;
    line-height:1.5;
    color:var(--text);
  }
  .related-card p{
    font-size:13px;
    line-height:1.7;
    color:var(--text-2);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .related-card .more{
    font-size:13px;
    color:var(--neon);
    letter-spacing:.02em;
    margin-top:auto;
  }
  .foot-actions{
    display:flex;
    justify-content:flex-end;
    gap:12px;
    margin-top:26px;
  }

  /* ---------- 侧栏 ---------- */
  .article-aside{
    position:sticky;
    top:96px;
    display:flex;
    flex-direction:column;
    gap:18px;
  }
  .aside-panel{
    padding:20px;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--glass);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    box-shadow:var(--shadow);
  }
  .aside-title{
    font-size:13px;
    letter-spacing:.1em;
    color:var(--text-3);
    margin-bottom:14px;
  }
  .aside-links{display:flex;flex-direction:column;gap:4px;}
  .aside-links a{
    display:flex;
    align-items:center;
    gap:9px;
    padding:9px 10px;
    border-radius:10px;
    font-size:14px;
    color:var(--text-2);
    border:1px solid transparent;
    transition:all .2s ease;
  }
  .aside-links a::before{
    content:"";
    width:5px;height:5px;
    border-radius:50%;
    background:rgba(120,200,255,.35);
    flex-shrink:0;
    transition:background .2s ease, box-shadow .2s ease;
  }
  .aside-links a:hover{
    color:var(--neon);
    background:rgba(47,227,200,.08);
    border-color:var(--line-strong);
    transform:translateX(2px);
  }
  .aside-links a:hover::before{background:var(--neon);box-shadow:0 0 8px var(--neon);}
  .aside-cta{
    padding:20px;
    border-radius:var(--r-card);
    border:1px solid rgba(255,176,32,.34);
    background:linear-gradient(160deg,rgba(255,176,32,.12),rgba(18,28,52,.7));
    box-shadow:var(--shadow-amber);
  }
  .aside-cta h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--text);}
  .aside-cta p{font-size:13px;line-height:1.7;color:var(--text-2);margin-bottom:16px;}
  .aside-cta .btn{width:100%;height:40px;}

  /* ---------- CTA 横幅 ---------- */
  .cta-band{padding:88px 0 0;}
  .cta-panel{
    position:relative;
    overflow:hidden;
    padding:56px 40px;
    border-radius:24px;
    border:1px solid var(--line);
    background:var(--glass-strong);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    text-align:center;
    box-shadow:var(--shadow);
  }
  .cta-panel::before{
    content:"";
    position:absolute;
    top:-160px;left:-120px;
    width:460px;height:460px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(47,227,200,.28), transparent 66%);
    pointer-events:none;
  }
  .cta-panel::after{
    content:"";
    position:absolute;
    bottom:-200px;right:-120px;
    width:440px;height:440px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(255,176,32,.2), transparent 68%);
    pointer-events:none;
  }
  .cta-panel > *{position:relative;z-index:1;}
  .cta-panel h2{
    font-size:clamp(24px,3vw,34px);
    line-height:1.3;
    letter-spacing:-.01em;
    font-weight:700;
    margin-bottom:12px;
  }
  .cta-panel p{
    font-size:15px;
    color:var(--text-2);
    max-width:52ch;
    margin:0 auto 26px;
  }
  .cta-note{
    margin-top:18px;
    font-size:12px;
    color:var(--text-3);
    letter-spacing:.02em;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;
    z-index:1;
    background:#05090F;
    padding:56px 0 26px;
    border-top:1px solid var(--line);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.2fr;
    gap:36px;
    padding-bottom:34px;
    border-bottom:1px solid rgba(120,200,255,.08);
  }
  .footer-col{min-width:0;}
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .footer-brand .brand-mark{width:24px;height:24px;}
  .footer-brand .brand-text{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--text);}
  .footer-title{
    font-size:13px;
    color:var(--text-2);
    letter-spacing:.08em;
    margin-bottom:14px;
  }
  .footer-desc{
    font-size:13px;
    line-height:1.85;
    color:var(--text-3);
    max-width:36ch;
  }
  .footer-links{display:flex;flex-direction:column;gap:9px;}
  .footer-links a{font-size:13px;color:var(--text-3);}
  .footer-links a:hover{color:var(--neon);}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding-top:22px;
    font-size:12px;
    color:var(--text-3);
  }
  .muted-note{color:rgba(90,106,136,.9);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .article-layout{grid-template-columns:minmax(0,760px);gap:0;}
    .article-aside{display:none;}
  }
  @media (max-width:1024px){
    .nav-links{display:none;}
    .nav-search{display:none;}
    .nav-toggle{display:inline-flex;}
    .header-inner{gap:14px;}
    .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .cta-panel{padding:44px 28px;}
  }
  @media (max-width:768px){
    .container{padding:0 20px;}
    .header-inner{height:60px;}
    .brand-text{font-size:14px;}
    .header-actions .btn-ghost{display:none;}
    .header-actions .btn-primary{height:34px;padding:0 14px;font-size:13px;}
    .mobile-drawer{top:60px;}
    .breadcrumb{padding-top:20px;font-size:12px;}
    .breadcrumb .current{max-width:24ch;}
    .article-layout{padding-top:20px;}
    .article-title{font-size:28px;}
    .article-body{font-size:15px;line-height:1.9;padding-top:26px;}
    .article-body h2{margin:34px 0 14px;}
    .related-grid{grid-template-columns:1fr;}
    .foot-actions{justify-content:stretch;}
    .foot-actions .btn{flex:1;}
    .cta-band{padding-top:64px;}
    .cta-panel{padding:36px 22px;border-radius:20px;}
    .site-footer{padding-top:44px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:480px){
    .container{padding:0 16px;}
    .article-title{font-size:26px;}
    .btn-lg{width:100%;}
    .cta-panel h2{font-size:23px;}
    .article-body table{font-size:13px;}
    .article-body th,.article-body td{padding:8px 10px;}
  }

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

/* roulang page: category1 */
:root{
  --ink:#070C1B;
  --ink-2:#0B1428;
  --neon:#2FE3C8;
  --neon-deep:#19B6A2;
  --amber:#FFB020;
  --magenta:#FF5C8A;
  --text:#E9F0FB;
  --muted:#9BABC9;
  --dim:#5A6A88;
  --line:rgba(120,200,255,.14);
  --line-strong:rgba(47,227,200,.38);
  --glass:rgba(18,28,52,.55);
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --shadow-panel:0 8px 24px rgba(3,8,20,.45);
  --shadow-glow:0 8px 24px rgba(47,227,200,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(120,200,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.85;
}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--neon)}
img{max-width:100%;display:block}
button,input{font-family:inherit}
button{cursor:pointer}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
main{position:relative;z-index:1}
.num{font-feature-settings:"tnum";font-weight:700;letter-spacing:-.02em}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,27,.72);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:24px;height:24px;border-radius:7px;
  background:linear-gradient(135deg,#2FE3C8,#19B6A2);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 0 14px rgba(47,227,200,.45);
  flex-shrink:0;
}
.brand-mark svg{width:16px;height:16px}
.brand-text{
  font-size:15px;font-weight:600;letter-spacing:.02em;
  color:var(--text);white-space:nowrap;
}
.brand:hover .brand-text{color:var(--neon)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:36px;padding:0 14px;
  border-radius:999px;
  font-size:14px;letter-spacing:.02em;
  color:var(--muted);
  border:1px solid transparent;
  transition:color .22s ease,background .22s ease,border-color .22s ease;
}
.nav-link:hover{color:var(--neon)}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:2px;border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 8px rgba(47,227,200,.9);
  transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-link:hover::after{width:18px}
.nav-link.active{
  color:var(--neon);
  background:rgba(18,28,52,.7);
  border-color:var(--line-strong);
}
.nav-link.active::after{display:none}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{
  position:relative;
  width:200px;
}
.nav-search input{
  width:100%;height:38px;
  padding:0 12px 0 34px;
  border-radius:999px;
  background:rgba(18,28,52,.6);
  border:1px solid var(--line);
  color:var(--text);
  font-size:13px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.nav-search input::placeholder{color:var(--dim)}
.nav-search input:focus{
  outline:none;
  border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(47,227,200,.18);
  background:rgba(11,20,40,.9);
}
.nav-search i{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--dim);pointer-events:none;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#2FE3C8,#19B6A2);
  color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  color:#04121A;
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 12px 30px rgba(47,227,200,.34);
}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(4,18,26,.35),0 6px 16px rgba(47,227,200,.22)}
.btn-ghost{
  background:rgba(18,28,52,.55);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(18px);
}
.btn-ghost:hover{
  color:var(--neon);
  border-color:var(--line-strong);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--muted);
}
.text-link:hover{color:var(--neon);text-decoration:underline;text-underline-offset:4px}
.nav-toggle{
  display:none;
  width:40px;height:38px;
  border-radius:10px;
  background:rgba(18,28,52,.6);
  border:1px solid var(--line);
  color:var(--text);
  align-items:center;justify-content:center;
  font-size:16px;
}
.nav-toggle:hover{color:var(--neon);border-color:var(--line-strong)}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(7,12,27,.98);
  padding:18px 24px 24px;
}
.mobile-drawer.open{display:block}
.mobile-drawer .nav-link{
  display:flex;width:100%;height:48px;font-size:18px;
  padding:0 16px;border-radius:12px;justify-content:flex-start;
}
.mobile-drawer .drawer-actions{display:grid;gap:10px;margin-top:16px}
.mobile-drawer .drawer-search{margin-bottom:14px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:88px 0 64px;
  overflow:hidden;
  border-bottom:1px solid rgba(120,200,255,.08);
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.hero::before{
  width:620px;height:620px;top:-260px;left:-160px;
  background:radial-gradient(circle,rgba(47,227,200,.08),transparent 68%);
}
.hero::after{
  width:520px;height:520px;bottom:-220px;right:-120px;
  background:radial-gradient(circle,rgba(255,176,32,.06),transparent 68%);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:minmax(0,58fr) minmax(0,42fr);
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(47,227,200,.06);
  color:var(--neon);
  font-size:12px;letter-spacing:.06em;
  margin-bottom:20px;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 8px rgba(47,227,200,.9);
}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.hero h1 .accent{color:var(--neon)}
.hero-sub{
  font-size:17px;color:var(--muted);max-width:34ch;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.trust-row{display:flex;flex-wrap:wrap;gap:20px}
.trust-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.trust-item i{color:var(--neon);font-size:12px}
.hero-visual{position:relative}
.hero-figure{
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:rgba(18,28,52,.55);
  box-shadow:var(--shadow-panel),inset 0 0 40px rgba(47,227,200,.06);
  aspect-ratio:16/10;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;
  left:-18px;top:22px;
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;
  border-radius:14px;
  background:rgba(11,20,40,.82);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-panel);
}
.hero-float .k{
  font-size:22px;color:var(--amber);
  font-feature-settings:"tnum";font-weight:700;letter-spacing:-.02em;
}
.hero-float .v{font-size:12px;color:var(--muted);line-height:1.4}

/* ---------- Section base ---------- */
.section{padding:88px 0;border-bottom:1px solid rgba(120,200,255,.08)}
.section-head{margin-bottom:36px;max-width:640px}
.section-head .tag{
  display:inline-block;font-size:12px;letter-spacing:.14em;
  color:var(--neon);margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:15px}

/* ---------- Filter chips ---------- */
.chip-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:28px;
}
.chip{
  height:36px;padding:0 16px;
  display:inline-flex;align-items:center;gap:8px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(18,28,52,.5);
  color:var(--muted);
  font-size:13px;letter-spacing:.02em;
  transition:.22s ease;
}
.chip:hover{color:var(--neon);border-color:var(--line-strong)}
.chip.is-active{
  color:#04121A;
  background:linear-gradient(135deg,#2FE3C8,#19B6A2);
  border-color:transparent;
  box-shadow:0 6px 18px rgba(47,227,200,.24);
  font-weight:600;
}
.chip .count{font-size:11px;opacity:.72}

/* ---------- Entry matrix ---------- */
.entry-wall{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.entry-card{
  display:flex;align-items:center;gap:12px;
  min-height:96px;
  padding:16px;
  border-radius:var(--r-card);
  background:rgba(18,28,52,.55);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.entry-card:hover{
  border-color:var(--line-strong);
  background:rgba(23,36,64,.7);
  box-shadow:0 0 0 1px rgba(47,227,200,.18),0 12px 26px rgba(3,8,20,.5);
  transform:translateX(2px);
}
.entry-card:active{transform:translateX(0)}
.entry-card[hidden]{display:none}
.entry-icon{
  width:36px;height:36px;flex-shrink:0;
  border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);
  background:rgba(47,227,200,.08);
  color:var(--neon);
  font-size:15px;
}
.entry-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.entry-name{font-size:15px;font-weight:600;color:var(--text);line-height:1.4}
.entry-desc{font-size:12px;color:var(--muted);line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.entry-go{margin-left:auto;color:var(--dim);font-size:13px;transition:color .22s,transform .22s}
.entry-card:hover .entry-go{color:var(--neon);transform:translateX(3px)}
.wall-empty{
  display:none;
  padding:44px 20px;text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  color:var(--muted);font-size:14px;
}
.wall-empty.show{display:block}

/* ---------- Status panel ---------- */
.status-panel{
  border-radius:var(--r-card);
  background:rgba(18,28,52,.55);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  overflow:hidden;
}
.status-row{
  display:flex;align-items:center;gap:16px;
  padding:18px 22px;
  border-bottom:1px solid rgba(120,200,255,.08);
  transition:background .22s ease;
}
.status-row:last-child{border-bottom:none}
.status-row:hover{background:rgba(47,227,200,.04)}
.status-light{
  width:9px;height:9px;border-radius:50%;flex-shrink:0;
  background:var(--neon);box-shadow:0 0 10px rgba(47,227,200,.8);
}
.status-light.amber{background:var(--amber);box-shadow:0 0 10px rgba(255,176,32,.8)}
.status-light.pink{background:var(--magenta);box-shadow:0 0 10px rgba(255,92,138,.8)}
.status-name{font-size:15px;font-weight:600;min-width:120px}
.status-text{font-size:13px;color:var(--muted);flex:1;min-width:0}
.status-badge{
  font-size:11px;padding:3px 10px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--neon);
  white-space:nowrap;
}
.status-badge.amber{border-color:rgba(255,176,32,.42);color:var(--amber)}
.status-badge.pink{border-color:rgba(255,92,138,.42);color:var(--magenta)}

/* ---------- Steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;counter-reset:step;
}
.step{
  position:relative;
  padding:24px 22px 22px;
  border-radius:var(--r-card);
  background:rgba(18,28,52,.5);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  transition:border-color .22s,transform .22s,box-shadow .22s;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-panel)}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-size:26px;font-weight:700;letter-spacing:-.02em;
  color:var(--neon);opacity:.9;
  font-feature-settings:"tnum";
  margin-bottom:10px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- Split feature ---------- */
.split{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;align-items:center;
}
.split + .split{margin-top:40px}
.split.reverse .split-media{order:2}
.split-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:rgba(18,28,52,.5);
  box-shadow:var(--shadow-panel);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.split-body h3{font-size:20px;margin-bottom:12px}
.split-body p{font-size:15px;color:var(--muted);margin-bottom:16px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--muted);margin-bottom:10px;
}
.check-list i{color:var(--neon);font-size:12px;margin-top:6px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq{
  border:1px solid var(--line);
  background:rgba(18,28,52,.55);
  border-radius:16px;
  backdrop-filter:blur(18px);
  margin-bottom:14px;
  position:relative;
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq:hover{border-color:var(--line-strong)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;
  font-size:16px;font-weight:600;
  cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq-ico{
  flex-shrink:0;width:24px;height:24px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--neon);font-size:11px;
  transition:transform .25s ease,border-color .25s ease;
}
.faq[open] .faq-ico{transform:rotate(45deg);border-color:var(--line-strong)}
.faq[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;
  width:3px;border-radius:0 3px 3px 0;background:var(--neon);
}
.faq-body{
  padding:0 20px 20px 22px;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:24px;
  padding:56px 40px;
  background:rgba(18,28,52,.6);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  overflow:hidden;
  text-align:center;
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.cta-band::before{
  width:420px;height:420px;top:-200px;left:-100px;
  background:radial-gradient(circle,rgba(47,227,200,.12),transparent 70%);
}
.cta-band::after{
  width:380px;height:380px;bottom:-190px;right:-90px;
  background:radial-gradient(circle,rgba(255,176,32,.1),transparent 70%);
}
.cta-inner{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cta-band p{font-size:15px;color:var(--muted);margin-bottom:26px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-bottom:16px}
.cta-note{font-size:12px;color:var(--dim)}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  background:#05090F;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(120,200,255,.22),transparent) 1;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{font-size:15px;font-weight:600}
.footer-desc{font-size:13px;color:var(--muted);line-height:1.8;max-width:32ch}
.footer-title{
  font-size:13px;font-weight:600;color:var(--text);
  letter-spacing:.06em;margin-bottom:14px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:var(--muted)}
.footer-links a:hover{color:var(--neon)}
.footer-bottom{
  border-top:1px solid rgba(120,200,255,.08);
  padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;align-items:center;
  font-size:12px;color:var(--dim);
}
.muted-note{color:var(--dim)}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search{width:160px}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero{padding:64px 0 56px}
  .hero-visual{max-width:560px}
  .hero-float{left:auto;right:12px;top:12px}
  .entry-wall{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps{grid-template-columns:1fr;gap:16px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .nav-search{display:none}
  .nav-tools .btn-ghost{display:none}
  .container{padding:0 20px}
  .entry-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:20px}
  .split.reverse .split-media{order:0}
  .cta-band{padding:40px 24px}
  .section{padding:56px 0}
  .hero h1{font-size:28px}
  .status-row{flex-wrap:wrap;gap:10px}
  .status-text{flex-basis:100%}
}
@media (max-width:520px){
  .entry-wall{grid-template-columns:1fr}
  .entry-desc{white-space:normal}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
    --ink:#070C1B;
    --ink-2:#0B1428;
    --glass:rgba(18,28,52,.55);
    --neon:#2FE3C8;
    --neon-deep:#19B6A2;
    --amber:#FFB020;
    --magenta:#FF5C8A;
    --text:#E9F0FB;
    --muted:#9BABC9;
    --dim:#5A6A88;
    --line:rgba(120,200,255,.14);
    --line-soft:rgba(120,200,255,.08);
    --line-strong:rgba(47,227,200,.38);
    --r-card:18px;
    --r-img:14px;
    --r-btn:12px;
    --r-banner:24px;
    --shadow-panel:0 8px 24px rgba(3,8,20,.45);
    --shadow-glow:0 8px 24px rgba(47,227,200,.28);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--ink);
    color:var(--text);
    font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:0;
    pointer-events:none;
    background-image:
      linear-gradient(rgba(120,200,255,.055) 1px,transparent 1px),
      linear-gradient(90deg,rgba(120,200,255,.055) 1px,transparent 1px);
    background-size:64px 64px;
  }
  h1,h2,h3,h4,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--neon)}
  button{font-family:inherit}
  input{font-family:inherit}
  ::selection{background:rgba(47,227,200,.28);color:#fff}
  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 24px;
    position:relative;
    z-index:1;
  }
  .num{font-feature-settings:"tnum";font-weight:700;letter-spacing:-.02em}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(7,12,27,.72);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    gap:20px;
    height:68px;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:24px;height:24px;border-radius:7px;
    background:linear-gradient(135deg,var(--neon),var(--neon-deep));
    display:grid;place-items:center;
    box-shadow:0 0 14px rgba(47,227,200,.35);
    flex:0 0 auto;
  }
  .brand-mark svg{width:16px;height:16px}
  .brand-text{font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--text);white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
  .nav-link{
    position:relative;
    padding:8px 13px;
    border-radius:999px;
    font-size:14px;
    letter-spacing:.02em;
    color:var(--muted);
    border:1px solid transparent;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;left:13px;right:13px;bottom:3px;height:2px;
    border-radius:2px;
    background:var(--neon);
    box-shadow:0 0 10px rgba(47,227,200,.75);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .22s ease;
  }
  .nav-link:hover{color:var(--neon)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{
    color:var(--neon);
    background:rgba(47,227,200,.09);
    border-color:var(--line-strong);
  }
  .nav-link.active::after{display:none}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
  .search-box{position:relative;display:flex;align-items:center}
  .search-box svg{position:absolute;left:12px;width:15px;height:15px;stroke:var(--dim);pointer-events:none}
  .search-box input{
    width:200px;height:36px;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--glass);
    color:var(--text);
    font-size:13px;
    padding:0 14px 0 34px;
    outline:none;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box input::placeholder{color:var(--dim)}
  .search-box input:focus{
    border-color:var(--neon);
    box-shadow:0 0 0 3px rgba(47,227,200,.16);
  }
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    font-size:14px;font-weight:600;letter-spacing:.02em;
    cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,filter .18s ease,color .18s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--neon),var(--neon-deep));
    color:#04121A;
    box-shadow:var(--shadow-glow);
  }
  .btn-primary:hover{
    color:#04121A;
    filter:brightness(1.06);
    transform:translateY(-1px);
    box-shadow:0 14px 32px rgba(47,227,200,.38);
  }
  .btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(4,18,26,.4)}
  .btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,200,.18)}
  .btn-ghost{
    background:var(--glass);
    border-color:var(--line);
    color:var(--text);
    backdrop-filter:blur(12px);
  }
  .btn-ghost:hover{border-color:var(--line-strong);color:var(--neon);transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,200,.18)}
  .btn-text{
    height:36px;padding:0 10px;font-size:14px;font-weight:500;color:var(--muted);
    background:transparent;border:none;
  }
  .btn-text:hover{color:var(--neon)}
  .btn-text:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,200,.18);border-radius:8px}
  .btn-sm{height:36px;padding:0 16px;font-size:13px}
  .nav-toggle{
    display:none;
    width:38px;height:38px;border-radius:10px;
    border:1px solid var(--line);
    background:var(--glass);
    color:var(--text);
    align-items:center;justify-content:center;
    cursor:pointer;
  }
  .nav-toggle:hover{border-color:var(--line-strong);color:var(--neon)}
  .nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,200,.18)}
  .nav-drawer{display:none;flex-direction:column;gap:2px;padding:12px 20px 22px;background:rgba(7,12,27,.97);border-top:1px solid var(--line)}
  .nav-drawer.open{display:flex}
  .nav-drawer a:not(.btn){
    font-size:18px;color:var(--text);padding:12px 0;border-bottom:1px solid var(--line-soft);
  }
  .nav-drawer a.active{color:var(--neon)}
  .nav-drawer .btn{width:100%;margin-top:14px}

  /* ============ Hero ============ */
  .hero{
    position:relative;
    padding:88px 0 76px;
    overflow:hidden;
  }
  .hero::before,.hero::after{
    content:"";position:absolute;border-radius:50%;pointer-events:none;
  }
  .hero::before{
    width:720px;height:720px;top:-320px;right:-160px;
    background:radial-gradient(circle,rgba(47,227,200,.08),transparent 66%);
  }
  .hero::after{
    width:560px;height:560px;bottom:-280px;left:-180px;
    background:radial-gradient(circle,rgba(255,176,32,.06),transparent 68%);
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.38fr 1fr;
    gap:44px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    border:1px solid var(--line-strong);
    background:rgba(47,227,200,.06);
    color:var(--neon);
    font-size:12px;letter-spacing:.02em;
  }
  .eyebrow .dot{
    width:6px;height:6px;border-radius:50%;
    background:var(--magenta);
    box-shadow:0 0 8px var(--magenta);
  }
  h1{
    font-size:clamp(30px,4.6vw,54px);
    line-height:1.25;
    letter-spacing:-.01em;
    font-weight:700;
    margin:20px 0 16px;
  }
  .hero-sub{
    font-size:17px;
    color:var(--muted);
    max-width:36ch;
  }
  .hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
  .trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;font-size:13px;color:var(--dim)}
  .trust-row span{display:inline-flex;align-items:center;gap:7px}
  .trust-row i{
    width:5px;height:5px;border-radius:50%;background:var(--neon);
    box-shadow:0 0 8px rgba(47,227,200,.8);
    flex:0 0 auto;
  }
  .hero-visual{position:relative}
  .hero-visual img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:20px;
    border:1px solid var(--line);
    box-shadow:0 0 0 1px rgba(47,227,200,.12),0 26px 60px rgba(3,8,20,.6);
  }
  .float-card{
    position:absolute;
    top:-18px;left:-18px;
    width:196px;
    padding:14px 16px;
    border-radius:14px;
    background:rgba(11,20,40,.82);
    border:1px solid var(--line);
    backdrop-filter:blur(18px);
    box-shadow:var(--shadow-panel);
  }
  .float-card .fc-label{font-size:11px;letter-spacing:.14em;color:var(--dim)}
  .float-card .fc-value{font-size:26px;color:var(--amber);margin-top:2px}
  .float-card .fc-value small{font-size:12px;color:var(--muted);font-weight:400;margin-left:4px}
  .status-bar{
    margin-top:10px;height:4px;border-radius:999px;background:rgba(120,200,255,.12);overflow:hidden;
  }
  .status-bar span{display:block;height:100%;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--neon),var(--neon-deep));box-shadow:0 0 10px rgba(47,227,200,.6)}
  .float-card .fc-note{font-size:11.5px;color:var(--muted);margin-top:8px}

  /* ============ 通用板块 ============ */
  section{padding:88px 0;position:relative}
  .section-head{max-width:720px;margin-bottom:40px}
  .section-kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.14em;color:var(--amber);font-weight:700;
    margin-bottom:12px;
  }
  .section-kicker::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--amber)}
  h2{
    font-size:clamp(24px,3vw,34px);
    line-height:1.25;letter-spacing:-.01em;font-weight:700;
  }
  .section-sub{font-size:15px;color:var(--muted);margin-top:12px;max-width:60ch}
  .divider-top{border-top:1px solid var(--line-soft)}

  /* ============ 三档价格卡 ============ */
  .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
  .plan-card{
    position:relative;
    display:flex;flex-direction:column;
    padding:30px 26px 26px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--line);
    backdrop-filter:blur(18px);
    box-shadow:var(--shadow-panel);
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .plan-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
  .plan-card.featured{
    border-color:rgba(255,176,32,.4);
    box-shadow:0 0 0 1px rgba(255,176,32,.4),0 10px 30px rgba(255,176,32,.14);
  }
  .plan-badge{
    position:absolute;top:-12px;right:22px;
    padding:4px 12px;border-radius:999px;
    background:var(--amber);color:#1A1200;
    font-size:12px;font-weight:700;letter-spacing:.02em;
    box-shadow:0 6px 18px rgba(255,176,32,.28);
  }
  .plan-name{font-size:18px;font-weight:600;letter-spacing:.01em}
  .plan-tagline{font-size:13px;color:var(--dim);margin-top:4px}
  .plan-price{
    margin-top:18px;
    display:flex;align-items:baseline;gap:6px;
  }
  .plan-price .amount{
    font-size:38px;
    color:var(--amber);
    font-feature-settings:"tnum";
    font-weight:700;
    letter-spacing:-.02em;
  }
  .plan-price .unit{font-size:13px;color:var(--muted)}
  .plan-list{
    display:grid;gap:11px;
    margin:20px 0 24px;
    font-size:14px;color:var(--muted);
  }
  .plan-list li{display:flex;gap:9px;align-items:flex-start;line-height:1.6}
  .chk{width:15px;height:15px;flex:0 0 auto;margin-top:4px;color:var(--neon)}
  .plan-card.featured .chk{color:var(--amber)}
  .plan-card .btn{width:100%;margin-top:auto}
  .plan-foot{
    margin-top:24px;font-size:13px;color:var(--dim);
    padding:14px 16px;border-radius:12px;
    border:1px dashed rgba(120,200,255,.18);
    background:rgba(11,20,40,.42);
  }

  /* ============ 流程状态条 ============ */
  .flow{
    display:grid;grid-template-columns:repeat(4,1fr);
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--glass);
    backdrop-filter:blur(18px);
    overflow:hidden;
    box-shadow:var(--shadow-panel);
  }
  .flow-item{
    position:relative;
    padding:28px 22px;
    border-right:1px solid var(--line-soft);
  }
  .flow-item:last-child{border-right:none}
  .flow-item::before{
    content:"";position:absolute;top:0;left:0;right:0;height:2px;
    background:linear-gradient(90deg,rgba(47,227,200,.75),rgba(47,227,200,0));
  }
  .flow-idx{
    font-size:12px;letter-spacing:.16em;color:var(--amber);font-weight:700;
    font-feature-settings:"tnum";
  }
  .flow-item h3{font-size:17px;font-weight:600;margin:10px 0 6px}
  .flow-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

  /* ============ 权益逐条说明 ============ */
  .benefit-row{
    display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
    padding:44px 0;
  }
  .benefit-row + .benefit-row{border-top:1px solid var(--line-soft)}
  .benefit-row.reverse .benefit-media{order:2}
  .benefit-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:var(--r-img);
    border:1px solid var(--line);
    box-shadow:0 0 0 1px rgba(47,227,200,.08),0 20px 46px rgba(3,8,20,.5);
  }
  .benefit-index{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12px;letter-spacing:.14em;color:var(--neon);
    font-weight:700;margin-bottom:12px;
  }
  .benefit-index::after{content:"";width:32px;height:1px;background:var(--line-strong)}
  .benefit-text h3{font-size:20px;font-weight:600;line-height:1.4}
  .benefit-text p{font-size:15px;color:var(--muted);margin-top:12px;line-height:1.8}
  .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
  .tag{
    display:inline-flex;align-items:center;
    padding:4px 11px;border-radius:999px;
    border:1px solid var(--line);
    background:rgba(18,28,52,.5);
    font-size:12px;color:var(--muted);
    letter-spacing:.01em;
  }
  .tag.hot{border-color:rgba(255,92,138,.45);color:#FF8FAF;background:rgba(255,92,138,.08)}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:880px}
  .faq-item{
    background:var(--glass);
    border:1px solid var(--line);
    border-radius:16px;
    margin-bottom:12px;
    overflow:hidden;
    backdrop-filter:blur(18px);
    transition:border-color .2s ease;
  }
  .faq-item:hover{border-color:var(--line-strong)}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    position:relative;
    padding:18px 54px 18px 20px;
    font-size:16px;font-weight:600;
    color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";
    position:absolute;right:20px;top:50%;
    transform:translateY(-50%);
    color:var(--neon);font-size:20px;line-height:1;
    transition:transform .22s ease;
  }
  .faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
  .faq-item summary:focus-visible{outline:none;box-shadow:inset 0 0 0 2px rgba(47,227,200,.35);border-radius:16px}
  .faq-body{
    position:relative;
    padding:0 22px 20px;
    font-size:15px;color:var(--muted);line-height:1.8;
  }
  .faq-item[open] .faq-body::before{
    content:"";position:absolute;left:8px;top:4px;bottom:18px;width:3px;border-radius:3px;
    background:var(--neon);box-shadow:0 0 10px rgba(47,227,200,.55);
  }

  /* ============ CTA ============ */
  .cta-band{
    position:relative;
    overflow:hidden;
    padding:56px 40px;
    border-radius:var(--r-banner);
    border:1px solid var(--line);
    background:var(--glass);
    backdrop-filter:blur(18px);
    text-align:center;
  }
  .cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;pointer-events:none}
  .cta-band::before{
    width:520px;height:520px;top:-260px;left:-120px;
    background:radial-gradient(circle,rgba(47,227,200,.08),transparent 68%);
  }
  .cta-band::after{
    width:460px;height:460px;bottom:-240px;right:-100px;
    background:radial-gradient(circle,rgba(255,176,32,.06),transparent 68%);
  }
  .cta-band > *{position:relative;z-index:1}
  .cta-band h2{margin-bottom:12px}
  .cta-band p{font-size:15px;color:var(--muted);max-width:52ch;margin:0 auto}
  .cta-band .btn{margin-top:26px}
  .cta-note{font-size:12px;color:var(--dim);margin-top:16px}

  /* ============ 页脚 ============ */
  .site-footer{
    background:#05090F;
    border-top:1px solid var(--line);
    padding:56px 0 26px;
    position:relative;
    z-index:1;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:36px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
  .footer-brand .brand-text{font-size:15px;font-weight:600}
  .footer-desc{font-size:13px;color:var(--muted);line-height:1.8;max-width:36ch}
  .footer-title{font-size:13px;font-weight:600;color:var(--text);letter-spacing:.04em;margin-bottom:14px}
  .footer-links{display:flex;flex-direction:column;gap:9px;font-size:13px}
  .footer-links a{color:var(--muted)}
  .footer-links a:hover{color:var(--neon)}
  .footer-bottom{
    margin-top:40px;
    padding-top:18px;
    border-top:1px solid var(--line-soft);
    display:flex;align-items:center;justify-content:space-between;
    gap:12px;flex-wrap:wrap;
    font-size:12.5px;color:var(--dim);
  }
  .muted-note{color:var(--dim)}

  /* ============ 响应式 ============ */
  @media (max-width:1280px){
    .container{padding:0 22px}
    .hero-grid{gap:36px}
  }
  @media (max-width:1024px){
    .nav-links{display:none}
    .nav-toggle{display:inline-flex}
    .search-box{display:none}
    section{padding:64px 0}
    .hero{padding:64px 0 56px}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .hero-visual{max-width:540px}
    .float-card{left:12px;top:-14px}
    .plan-grid{grid-template-columns:1fr;gap:18px}
    .flow{grid-template-columns:repeat(2,1fr)}
    .flow-item:nth-child(2){border-right:none}
    .flow-item:nth-child(1),.flow-item:nth-child(2){border-bottom:1px solid var(--line-soft)}
    .benefit-row{grid-template-columns:1fr;gap:26px;padding:34px 0}
    .benefit-row.reverse .benefit-media{order:0}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:768px){
    body{font-size:15px}
    .nav-inner{height:60px;gap:12px}
    .brand-text{font-size:14px}
    .container{padding:0 20px}
    .hero{padding:52px 0 48px}
    h1{font-size:clamp(28px,7vw,38px)}
    .hero-sub{font-size:16px}
    .float-card{width:172px;padding:12px 14px}
    .float-card .fc-value{font-size:22px}
    .flow{grid-template-columns:1fr}
    .flow-item{border-right:none;border-bottom:1px solid var(--line-soft)}
    .flow-item:last-child{border-bottom:none}
    .cta-band{padding:40px 22px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{justify-content:flex-start}
  }
  @media (max-width:520px){
    .hero-actions{gap:10px}
    .hero-actions .btn{width:100%}
    .btn{width:100%}
    .nav-right .btn-sm{width:auto}
    .nav-toggle{width:auto}
    .plan-price .amount{font-size:32px}
    .trust-row{gap:14px;font-size:12.5px}
    .faq-item summary{font-size:15px;padding:16px 48px 16px 18px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
    .btn:hover,.plan-card:hover{transform:none !important}
  }

/* roulang page: category3 */
:root{
  --ink:#070C1B;
  --ink-2:#0B1428;
  --glass:rgba(18,28,52,0.55);
  --glass-strong:rgba(18,28,52,0.78);
  --line:rgba(120,200,255,0.14);
  --line-strong:rgba(47,227,200,0.38);
  --neon:#2FE3C8;
  --neon-deep:#19B6A2;
  --amber:#FFB020;
  --magenta:#FF5C8A;
  --text:#E9F0FB;
  --muted:#9BABC9;
  --faint:#5A6A88;
  --r-card:18px;
  --r-btn:12px;
  --shadow-card:0 8px 24px rgba(3,8,20,.45);
  --shadow-glow:0 8px 24px rgba(47,227,200,.28);
  --shadow-amber:0 0 0 1px rgba(255,176,32,.4), 0 10px 30px rgba(255,176,32,.14);
  --section-y:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(120,200,255,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(120,200,255,0.05) 1px, transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease}
a:hover{color:var(--neon)}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-0.01em;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:2}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,27,0.72);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:24px;height:24px;
  border-radius:7px;
  background:linear-gradient(135deg,#2FE3C8,#19B6A2);
  display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(47,227,200,.25),0 6px 16px rgba(47,227,200,.22);
  flex-shrink:0;
}
.brand-mark svg{width:16px;height:16px}
.brand-text{font-size:15px;font-weight:600;letter-spacing:.02em;white-space:nowrap;color:var(--text)}

.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  display:inline-block;
  font-size:14px;
  color:var(--muted);
  letter-spacing:.02em;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid transparent;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 8px rgba(47,227,200,.75);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--neon)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{
  color:var(--neon);
  background:rgba(18,28,52,0.72);
  border-color:rgba(47,227,200,0.28);
}
.nav-link.active::after{display:none}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{
  position:absolute;left:13px;width:15px;height:15px;
  stroke:var(--faint);fill:none;stroke-width:2;stroke-linecap:round;
  pointer-events:none;
}
.nav-search input{
  width:200px;height:38px;
  padding:0 14px 0 36px;
  border-radius:999px;
  background:rgba(18,28,52,0.55);
  border:1px solid var(--line);
  color:var(--text);
  font-size:13px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--faint)}
.nav-search input:focus{
  outline:none;
  border-color:var(--line-strong);
  box-shadow:0 0 0 3px rgba(47,227,200,0.18);
}
.nav-search-icon{
  display:none;
  width:38px;height:38px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(18,28,52,0.55);
  place-items:center;
}
.nav-search-icon svg{width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:2;stroke-linecap:round}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#2FE3C8,#19B6A2);
  color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 12px 32px rgba(47,227,200,0.38);
  color:#04121A;
}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(4,18,26,.4)}
.btn-ghost{
  background:rgba(18,28,52,0.5);
  border:1px solid var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--neon);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);background:rgba(18,28,52,0.8)}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn:disabled,.btn.disabled{opacity:.45;pointer-events:none}

.nav-login{height:38px;padding:0 16px;font-size:13px;font-weight:500}
.nav-cta{height:38px;padding:0 18px;font-size:13px}
.nav-toggle{
  display:none;
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(18,28,52,0.55);
  place-items:center;
}
.nav-toggle span{
  display:block;width:16px;height:2px;border-radius:2px;background:var(--muted);
  position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--muted);
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

.mobile-drawer{
  display:none;
  position:fixed;
  left:0;right:0;top:60px;bottom:0;
  padding:24px 20px 40px;
  background:rgba(7,12,27,0.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  overflow-y:auto;
  z-index:55;
}
.mobile-drawer.open{display:block}
.mobile-drawer .nav-link{
  display:block;
  font-size:18px;
  padding:14px 4px;
  border-radius:0;
  border-bottom:1px solid var(--line);
  color:var(--text);
}
.mobile-drawer .nav-link.active{background:none;border-color:transparent;border-bottom-color:var(--line);color:var(--neon)}
.mobile-drawer .drawer-search{
  display:flex;align-items:center;gap:10px;
  margin-bottom:20px;
  padding:0 16px;
  height:46px;
  border-radius:12px;
  background:rgba(18,28,52,0.6);
  border:1px solid var(--line);
}
.mobile-drawer .drawer-search input{flex:1;background:none;border:0;color:var(--text);font-size:14px}
.mobile-drawer .drawer-search input::placeholder{color:var(--faint)}
.mobile-drawer .drawer-search input:focus{outline:none}
.mobile-drawer .drawer-actions{margin-top:20px;display:grid;gap:12px}
.mobile-drawer .btn{width:100%}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:72px 0 64px;
  overflow:hidden;
  border-bottom:1px solid rgba(120,200,255,0.08);
}
.hero::before,.hero::after{
  content:"";
  position:absolute;
  border-radius:999px;
  pointer-events:none;
  z-index:1;
}
.hero::before{
  width:720px;height:720px;
  left:-220px;top:-320px;
  background:radial-gradient(circle, rgba(47,227,200,0.10) 0%, rgba(47,227,200,0) 68%);
}
.hero::after{
  width:620px;height:620px;
  right:-200px;bottom:-320px;
  background:radial-gradient(circle, rgba(255,176,32,0.08) 0%, rgba(255,176,32,0) 70%);
}
.hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) 400px;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(47,227,200,0.38);
  background:rgba(47,227,200,0.07);
  color:var(--neon);
  font-size:12px;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:999px;background:var(--neon);
  box-shadow:0 0 8px rgba(47,227,200,.9);
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  letter-spacing:-0.01em;
  margin-bottom:18px;
}
.hero h1 .accent{color:var(--neon)}
.hero-sub{
  font-size:17px;
  color:var(--muted);
  max-width:34ch;
  margin-bottom:28px;
  line-height:1.75;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:22px;
  font-size:13px;color:var(--faint);
}
.hero-trust li{display:flex;align-items:center;gap:7px}
.hero-trust li::before{
  content:"";width:5px;height:5px;border-radius:999px;
  background:var(--neon);box-shadow:0 0 6px rgba(47,227,200,.8);
}
.hero-visual{position:relative}
.hero-figure{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(120,200,255,0.18);
  box-shadow:0 18px 48px rgba(3,8,20,.55), inset 0 0 60px rgba(47,227,200,0.08);
  aspect-ratio:16/10;
  background:#0B1428;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,27,0.05) 0%,rgba(7,12,27,0.72) 100%);
}
.hero-float{
  position:absolute;
  top:-16px;left:-16px;
  padding:14px 18px;
  border-radius:14px;
  background:rgba(18,28,52,0.78);
  border:1px solid rgba(120,200,255,0.2);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  z-index:3;
}
.hero-float .num{
  font-size:22px;font-weight:700;letter-spacing:-0.02em;color:var(--amber);
  line-height:1.2;
}
.hero-float .lbl{font-size:12px;color:var(--muted);letter-spacing:.02em}

/* ============ 通用板块 ============ */
.section{padding:var(--section-y) 0;position:relative}
.section + .section{border-top:1px solid rgba(120,200,255,0.08)}
.section-head{margin-bottom:36px;max-width:640px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px}
.section-head .kicker{
  display:inline-block;
  font-size:12px;letter-spacing:.08em;color:var(--neon);
  margin-bottom:10px;
}

/* 筛选标签 */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:26px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(18,28,52,0.45);
  color:var(--muted);
  font-size:13px;
  letter-spacing:.02em;
  transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;
}
.chip:hover{color:var(--neon);border-color:var(--line-strong);transform:translateY(-1px)}
.chip.is-active{
  color:#04121A;
  background:linear-gradient(135deg,#2FE3C8,#19B6A2);
  border-color:transparent;
  box-shadow:0 6px 18px rgba(47,227,200,.28);
  font-weight:600;
}

/* ============ 主体分栏 ============ */
.split{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:28px;
  align-items:start;
}
.col-main{min-width:0}
.col-side{min-width:0;position:sticky;top:92px}

.feed{display:grid;gap:14px}
.feed-item{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:18px;
  align-items:center;
  padding:20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.feed-item:hover{
  border-color:var(--line-strong);
  transform:translateX(3px);
  box-shadow:0 10px 30px rgba(3,8,20,.5),0 0 0 1px rgba(47,227,200,.16);
}
.feed-item:hover .feed-title{color:var(--neon)}
.feed-body{min-width:0}
.badge{
  display:inline-flex;align-items:center;
  height:22px;padding:0 10px;
  border-radius:999px;
  border:1px solid rgba(47,227,200,0.38);
  color:var(--neon);
  font-size:11px;
  letter-spacing:.04em;
  margin-bottom:10px;
}
.badge.amber{border-color:rgba(255,176,32,.45);color:var(--amber)}
.badge.magenta{border-color:rgba(255,92,138,.45);color:var(--magenta)}
.feed-title{
  font-size:17px;font-weight:600;
  line-height:1.5;
  margin-bottom:6px;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
.feed-desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.feed-meta{
  display:flex;align-items:center;gap:14px;
  font-size:13px;color:var(--faint);
}
.feed-meta .arrow{color:var(--neon);transition:transform .18s ease}
.feed-item:hover .feed-meta .arrow{transform:translateX(4px)}
.feed-thumb{
  width:110px;height:82px;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  flex-shrink:0;
  background:#0B1428;
}
.feed-thumb img{width:100%;height:100%;object-fit:cover;opacity:.9}

.feed-more{
  display:flex;justify-content:center;
  margin-top:22px;
}

/* 侧栏 */
.side-card{
  padding:20px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  margin-bottom:16px;
}
.side-card:last-child{margin-bottom:0}
.side-title{
  display:flex;align-items:center;gap:9px;
  font-size:15px;font-weight:600;
  margin-bottom:14px;
}
.side-title::before{
  content:"";width:3px;height:14px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 8px rgba(47,227,200,.7);
}
.side-list{display:grid;gap:2px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 0;
  font-size:14px;
  color:var(--muted);
  border-bottom:1px dashed rgba(120,200,255,0.10);
  transition:color .18s ease,padding-left .18s ease;
}
.side-list a:last-child{border-bottom:0}
.side-list a:hover{color:var(--neon);padding-left:4px}
.side-list a span.tag{
  font-size:11px;color:var(--faint);
  border:1px solid var(--line);
  border-radius:999px;
  padding:1px 8px;
  flex-shrink:0;
}
.side-cta{
  padding:22px;
  border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(47,227,200,0.10),rgba(18,28,52,0.62));
  border:1px solid rgba(47,227,200,0.28);
  box-shadow:0 10px 30px rgba(47,227,200,0.10);
}
.side-cta h3{font-size:17px;margin-bottom:8px}
.side-cta p{font-size:13px;color:var(--muted);margin-bottom:16px;line-height:1.7}
.side-cta .btn{width:100%}
.side-note{
  margin-top:12px;
  font-size:12px;
  color:var(--faint);
  line-height:1.7;
}

/* ============ 精选专题 ============ */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.feature-card{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#0B1428;
  min-height:300px;
  display:flex;
  align-items:flex-end;
  transition:border-color .2s ease,transform .2s ease;
}
.feature-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.feature-card img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.7;
  transition:transform .5s ease,opacity .3s ease;
}
.feature-card:hover img{transform:scale(1.04);opacity:.78}
.feature-card::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,27,0.1) 0%,rgba(7,12,27,0.55) 48%,rgba(7,12,27,0.94) 100%);
}
.feature-body{
  position:relative;
  z-index:2;
  padding:26px;
  width:100%;
}
.feature-body h3{font-size:20px;margin-bottom:8px}
.feature-body p{font-size:14px;color:var(--muted);line-height:1.7;max-width:36ch;margin-bottom:14px}
.feature-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--neon);
}
.feature-link:hover{color:var(--neon);text-decoration:underline;text-underline-offset:4px}

/* ============ 阅读指引 ============ */
.guide-line{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  position:relative;
}
.guide-line::before{
  content:"";
  position:absolute;
  left:0;right:0;top:22px;
  height:1px;
  background:linear-gradient(90deg,rgba(47,227,200,0.4),rgba(120,200,255,0.14),rgba(255,176,32,0.28));
  z-index:0;
}
.guide-step{position:relative;z-index:2;padding-top:0}
.step-dot{
  width:44px;height:44px;
  border-radius:999px;
  display:grid;place-items:center;
  background:rgba(18,28,52,0.9);
  border:1px solid rgba(255,176,32,0.42);
  color:var(--amber);
  font-size:15px;font-weight:700;
  margin-bottom:18px;
  box-shadow:0 0 0 6px rgba(7,12,27,1),0 0 18px rgba(255,176,32,0.24);
}
.guide-step h3{font-size:18px;margin-bottom:8px}
.guide-step p{font-size:14px;color:var(--muted);line-height:1.75;max-width:32ch}

/* ============ CTA ============ */
.cta-band{padding:0 0 var(--section-y)}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  padding:56px 48px;
  background:rgba(18,28,52,0.55);
  border:1px solid rgba(120,200,255,0.18);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 18px 50px rgba(3,8,20,.5);
  text-align:center;
}
.cta-panel::before,.cta-panel::after{
  content:"";
  position:absolute;
  border-radius:999px;
  pointer-events:none;
}
.cta-panel::before{
  width:520px;height:520px;
  left:-160px;top:-260px;
  background:radial-gradient(circle, rgba(47,227,200,0.16) 0%, rgba(47,227,200,0) 68%);
}
.cta-panel::after{
  width:460px;height:460px;
  right:-140px;bottom:-240px;
  background:radial-gradient(circle, rgba(255,176,32,0.14) 0%, rgba(255,176,32,0) 70%);
}
.cta-panel > *{position:relative;z-index:2}
.cta-panel h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cta-panel p{color:var(--muted);font-size:15px;max-width:52ch;margin:0 auto 26px}
.cta-note{margin-top:16px;font-size:12px;color:var(--faint)}

/* ============ 页脚 ============ */
.site-footer{
  background:#05090F;
  border-top:1px solid rgba(120,200,255,0.12);
  padding:56px 0 26px;
  position:relative;
  z-index:2;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(120,200,255,0.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:13px;color:var(--muted);line-height:1.8;max-width:36ch}
.footer-title{font-size:13px;font-weight:600;color:var(--text);letter-spacing:.04em;margin-bottom:14px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13px;color:var(--muted)}
.footer-links a:hover{color:var(--neon)}
.footer-bottom{
  display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:12px;
  color:var(--faint);
}
.muted-note{color:var(--faint)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero-inner{grid-template-columns:minmax(0,1fr) 360px;gap:40px}
}
@media (max-width:1024px){
  :root{--section-y:64px}
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-search-icon{display:grid}
  .nav-login{display:none}
  .nav-toggle{display:grid}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:36px}
  .hero{padding:56px 0 48px}
  .hero-visual{max-width:520px;width:100%}
  .split{grid-template-columns:minmax(0,1fr)}
  .col-side{position:static}
  .feature-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-inner{height:60px}
  .mobile-drawer{top:60px}
  .nav-cta{display:none}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .section{padding:56px 0}
  .feed-item{grid-template-columns:minmax(0,1fr);padding:18px}
  .feed-thumb{width:100%;height:150px;order:-1;margin-bottom:4px}
  .guide-line{grid-template-columns:minmax(0,1fr);gap:28px}
  .guide-line::before{display:none}
  .step-dot{margin-bottom:12px}
  .cta-panel{padding:40px 24px}
  .cta-panel .btn{width:100%}
  .hero-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .section-head h2{font-size:22px}
  .feed-title{font-size:16px}
  .hero-trust{gap:14px;font-size:12px}
  .btn{width:100%}
  .nav-actions .btn{width:auto}
  .chip{font-size:12px;height:32px;padding:0 13px}
  .hero-float{padding:10px 14px}
  .hero-float .num{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .feed-item:hover,.feature-card:hover,.btn:hover,.chip:hover{transform:none !important}
}

/* roulang page: category4 */
:root{
    --ink:#070C1B;
    --ink-2:#0B1428;
    --glass:rgba(18,28,52,.55);
    --glass-strong:rgba(18,28,52,.82);
    --line:rgba(120,200,255,.14);
    --line-soft:rgba(120,200,255,.08);
    --line-strong:rgba(47,227,200,.38);
    --neon:#2FE3C8;
    --neon-deep:#19B6A2;
    --amber:#FFB020;
    --magenta:#FF5C8A;
    --text:#E9F0FB;
    --text-2:#9BABC9;
    --text-3:#5A6A88;
    --r-card:18px;
    --r-img:14px;
    --r-btn:12px;
    --r-pill:999px;
    --r-banner:24px;
    --shadow-card:0 8px 24px rgba(3,8,20,.45);
    --shadow-glow:0 8px 24px rgba(47,227,200,.28);
    --container:1200px;
    --header-h:68px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--ink);
    color:var(--text);
    font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:0;
    pointer-events:none;
    background-image:
      linear-gradient(rgba(120,200,255,.055) 1px, transparent 1px),
      linear-gradient(90deg, rgba(120,200,255,.055) 1px, transparent 1px);
    background-size:48px 48px;
    opacity:.9;
  }
  img{max-width:100%;display:block;border-radius:var(--r-img);}
  a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease;}
  a:hover{color:var(--neon);}
  button{font-family:inherit;}
  input,select,textarea{font-family:inherit;font-size:15px;}
  h1,h2,h3,h4,p{margin:0;}
  h1,h2,h3,h4{line-height:1.25;letter-spacing:-.01em;font-weight:700;}
  ul,ol{margin:0;padding:0;list-style:none;}
  ::selection{background:rgba(47,227,200,.3);color:#04121A;}
  :focus-visible{outline:none;box-shadow:0 0 0 3px rgba(47,227,200,.35);border-radius:6px;}
  .sr-only{
    position:absolute;width:1px;height:1px;padding:0;margin:-1px;
    overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
  }

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 24px;
    position:relative;
    z-index:1;
  }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:rgba(7,12,27,.72);
    -webkit-backdrop-filter:blur(20px);
    backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line-soft);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:24px;
    height:var(--header-h);
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:24px;height:24px;
    border-radius:7px;
    background:linear-gradient(140deg,var(--neon),var(--neon-deep));
    display:inline-flex;align-items:center;justify-content:center;
    box-shadow:0 0 16px rgba(47,227,200,.35);
    flex-shrink:0;
  }
  .brand-mark svg{width:16px;height:16px;}
  .brand-text{
    font-size:15px;
    font-weight:600;
    letter-spacing:.02em;
    color:var(--text);
    white-space:nowrap;
  }
  .brand:hover .brand-text{color:var(--neon);}

  .nav-links{
    display:flex;
    align-items:center;
    gap:22px;
    margin-left:8px;
    flex:1;
  }
  .nav-link{
    position:relative;
    display:inline-block;
    font-size:14px;
    letter-spacing:.02em;
    color:var(--text-2);
    padding:8px 2px;
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;
    height:2px;
    border-radius:2px;
    background:var(--neon);
    box-shadow:0 0 10px rgba(47,227,200,.7);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .22s ease;
  }
  .nav-link:hover{color:var(--neon);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{
    color:var(--neon);
    background:rgba(47,227,200,.09);
    border:1px solid rgba(47,227,200,.26);
    border-radius:var(--r-pill);
    padding:6px 14px;
  }
  .nav-link.active::after{display:none;}

  .header-actions{
    display:flex;
    align-items:center;
    gap:12px;
    flex-shrink:0;
  }
  .header-search{
    position:relative;
    display:flex;
    align-items:center;
  }
  .header-search input{
    width:200px;
    height:38px;
    padding:0 14px 0 34px;
    border-radius:var(--r-pill);
    background:rgba(18,28,52,.55);
    border:1px solid var(--line);
    color:var(--text);
    font-size:13px;
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .header-search input::placeholder{color:var(--text-3);}
  .header-search input:focus{
    outline:none;
    border-color:var(--line-strong);
    background:rgba(18,28,52,.8);
    box-shadow:0 0 0 3px rgba(47,227,200,.16);
  }
  .header-search .search-glyph{
    position:absolute;
    left:12px;
    width:14px;height:14px;
    color:var(--text-3);
    pointer-events:none;
  }
  .btn-text{
    font-size:14px;
    color:var(--text-2);
    padding:8px 4px;
    background:none;border:none;cursor:pointer;
  }
  .btn-text:hover{color:var(--neon);}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-size:15px;
    font-weight:600;
    letter-spacing:.02em;
    border-radius:var(--r-btn);
    padding:12px 22px;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s ease,box-shadow .22s ease,filter .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
    white-space:nowrap;
  }
  .btn-sm{padding:8px 16px;font-size:13px;border-radius:10px;}
  .btn-primary{
    background:linear-gradient(135deg,var(--neon),var(--neon-deep));
    color:#04121A;
    box-shadow:var(--shadow-glow);
  }
  .btn-primary:hover{
    color:#04121A;
    filter:brightness(1.06);
    transform:translateY(-1px);
    box-shadow:0 12px 30px rgba(47,227,200,.34);
  }
  .btn-primary:active{
    transform:translateY(0);
    box-shadow:inset 0 2px 8px rgba(0,0,0,.35);
    filter:brightness(.98);
  }
  .btn-primary:focus-visible{
    outline:none;
    box-shadow:0 0 0 3px rgba(47,227,200,.18),var(--shadow-glow);
  }
  .btn-ghost{
    background:rgba(18,28,52,.5);
    border-color:var(--line);
    color:var(--text);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
  }
  .btn-ghost:hover{
    color:var(--neon);
    border-color:var(--line-strong);
    background:rgba(18,28,52,.8);
  }
  .btn-ghost:active{transform:translateY(1px);box-shadow:inset 0 2px 8px rgba(0,0,0,.3);}
  .btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

  .menu-toggle{
    display:none;
    width:38px;height:38px;
    align-items:center;justify-content:center;
    border-radius:10px;
    background:rgba(18,28,52,.6);
    border:1px solid var(--line);
    color:var(--text);
    cursor:pointer;
  }
  .menu-toggle:hover{border-color:var(--line-strong);color:var(--neon);}

  .mobile-drawer{
    display:none;
    position:fixed;
    top:60px;left:0;right:0;bottom:0;
    z-index:70;
    background:rgba(7,12,27,.97);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    padding:24px 20px 40px;
    overflow-y:auto;
    border-top:1px solid var(--line-soft);
  }
  .mobile-drawer.open{display:block;}
  .drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
  .drawer-links a{
    font-size:18px;
    color:var(--text-2);
    padding:12px 4px;
    border-bottom:1px solid var(--line-soft);
  }
  .drawer-links a.active{color:var(--neon);}
  .drawer-search{display:flex;gap:10px;margin-bottom:18px;}
  .drawer-search input{
    flex:1;height:44px;padding:0 14px;border-radius:var(--r-btn);
    background:rgba(18,28,52,.6);border:1px solid var(--line);color:var(--text);
  }
  .drawer-search input:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(47,227,200,.16);}
  .drawer-actions{display:flex;flex-direction:column;gap:12px;}
  .drawer-actions .btn{width:100%;}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    overflow:hidden;
    padding:76px 0 68px;
    border-bottom:1px solid var(--line-soft);
    background-image:
      linear-gradient(180deg,rgba(7,12,27,.93) 0%,rgba(7,12,27,.82) 48%,var(--ink) 100%),
      url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
  }
  .hero::before,
  .hero::after{
    content:"";
    position:absolute;
    pointer-events:none;
    border-radius:50%;
  }
  .hero::before{
    width:620px;height:620px;
    top:-260px;left:-160px;
    background:radial-gradient(circle,rgba(47,227,200,.16),transparent 66%);
  }
  .hero::after{
    width:520px;height:520px;
    bottom:-240px;right:-120px;
    background:radial-gradient(circle,rgba(255,176,32,.12),transparent 68%);
  }
  .hero-inner{max-width:860px;}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:var(--r-pill);
    border:1px solid rgba(47,227,200,.36);
    background:rgba(47,227,200,.08);
    color:var(--neon);
    font-size:12px;
    letter-spacing:.08em;
    margin-bottom:20px;
  }
  .eyebrow .dot{
    width:6px;height:6px;border-radius:50%;
    background:var(--neon);
    box-shadow:0 0 10px rgba(47,227,200,.9);
  }
  .hero h1{
    font-size:clamp(30px,4.6vw,54px);
    letter-spacing:-.01em;
    margin-bottom:14px;
  }
  .hero-sub{
    font-size:16px;
    color:var(--text-2);
    margin-bottom:28px;
    max-width:32ch;
  }
  .hero-search{
    display:flex;
    gap:12px;
    max-width:640px;
    margin-bottom:16px;
  }
  .hero-search-input{
    flex:1;
    height:48px;
    padding:0 18px;
    border-radius:var(--r-btn);
    background:rgba(18,28,52,.6);
    border:1px solid var(--line);
    color:var(--text);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  }
  .hero-search-input::placeholder{color:var(--text-3);}
  .hero-search-input:focus{
    outline:none;
    border-color:var(--line-strong);
    background:rgba(18,28,52,.85);
    box-shadow:0 0 0 3px rgba(47,227,200,.16);
  }
  .hero-search .btn{height:48px;}
  .hero-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-bottom:26px;
  }
  .hero-tags span{
    font-size:12px;
    letter-spacing:.02em;
    color:var(--text-2);
    border:1px solid var(--line);
    background:rgba(18,28,52,.45);
    border-radius:var(--r-pill);
    padding:6px 14px;
    cursor:pointer;
    transition:color .2s ease,border-color .2s ease,background .2s ease;
  }
  .hero-tags span:hover,
  .hero-tags span:focus-visible{
    color:var(--neon);
    border-color:var(--line-strong);
    background:rgba(47,227,200,.1);
  }
  .hero-trust{
    display:flex;
    flex-wrap:wrap;
    gap:22px;
    font-size:12px;
    color:var(--text-3);
    letter-spacing:.02em;
  }

  /* ---------- 通用板块 ---------- */
  .section{
    padding:88px 0;
    position:relative;
    border-bottom:1px solid var(--line-soft);
  }
  .section:last-of-type{border-bottom:none;}
  .section-alt{
    background:linear-gradient(180deg,rgba(11,20,40,.55),rgba(7,12,27,0));
  }
  .section-head{
    max-width:640px;
    margin-bottom:40px;
  }
  .section-head h2{
    font-size:clamp(24px,3vw,34px);
    margin-bottom:12px;
  }
  .section-head p{
    font-size:15px;
    color:var(--text-2);
    line-height:1.75;
  }
  .section-head .kicker{
    display:inline-block;
    font-size:12px;
    letter-spacing:.14em;
    color:var(--neon);
    margin-bottom:12px;
  }

  /* ---------- 自助速查卡 ---------- */
  .quick-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:20px;
  }
  .quick-card{
    position:relative;
    padding:22px 20px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    box-shadow:var(--shadow-card);
    transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  }
  .quick-card:hover{
    transform:translateY(-3px);
    border-color:var(--line-strong);
    box-shadow:0 14px 32px rgba(47,227,200,.14);
  }
  .quick-card .status{
    display:inline-flex;
    align-items:center;
    gap:7px;
    font-size:12px;
    letter-spacing:.06em;
    margin-bottom:14px;
  }
  .quick-card .status i{
    width:7px;height:7px;border-radius:50%;display:inline-block;
  }
  .status-ok i{background:var(--neon);box-shadow:0 0 10px rgba(47,227,200,.9);}
  .status-warn i{background:var(--amber);box-shadow:0 0 10px rgba(255,176,32,.9);}
  .status-alert i{background:var(--magenta);box-shadow:0 0 10px rgba(255,92,138,.9);}
  .status-ok{color:var(--neon);}
  .status-warn{color:var(--amber);}
  .status-alert{color:var(--magenta);}
  .quick-card h3{
    font-size:17px;
    font-weight:600;
    margin-bottom:8px;
  }
  .quick-card p{
    font-size:14px;
    line-height:1.7;
    color:var(--text-2);
    margin-bottom:16px;
  }
  .quick-card .card-link{
    font-size:13px;
    color:var(--neon);
    display:inline-flex;
    align-items:center;
    gap:6px;
  }
  .quick-card .card-link:hover{text-decoration:underline;text-underline-offset:4px;}

  /* ---------- FAQ 双栏 ---------- */
  .faq-columns{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:32px;
    align-items:start;
  }
  .faq-col{display:flex;flex-direction:column;gap:28px;}
  .faq-group h3{
    font-size:18px;
    font-weight:600;
    padding-left:12px;
    border-left:3px solid var(--neon);
    line-height:1.3;
    margin-bottom:14px;
  }
  .faq-item{
    position:relative;
    background:rgba(18,28,52,.5);
    border:1px solid var(--line);
    border-radius:16px;
    margin-bottom:12px;
    overflow:hidden;
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    transition:border-color .22s ease,background .22s ease;
  }
  .faq-item:hover{border-color:rgba(120,200,255,.26);}
  .faq-item::before{
    content:"";
    position:absolute;
    left:0;top:0;bottom:0;
    width:3px;
    background:var(--neon);
    opacity:0;
    transition:opacity .22s ease;
  }
  .faq-item[open]{
    border-color:var(--line-strong);
    background:rgba(18,28,52,.72);
  }
  .faq-item[open]::before{opacity:1;}
  .faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding:16px 18px;
    font-size:16px;
    font-weight:600;
    line-height:1.5;
    cursor:pointer;
    list-style:none;
    color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--neon);}
  .faq-icon{
    flex-shrink:0;
    width:20px;height:20px;
    position:relative;
    color:var(--text-2);
    transition:transform .24s ease,color .24s ease;
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:currentColor;
    border-radius:2px;
  }
  .faq-icon::before{left:0;right:0;top:9px;height:2px;}
  .faq-icon::after{top:0;bottom:0;left:9px;width:2px;}
  .faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--neon);}
  .faq-answer{
    padding:0 18px 18px;
    font-size:15px;
    line-height:1.8;
    color:var(--text-2);
  }
  .faq-answer a{color:var(--neon);text-decoration:underline;text-underline-offset:4px;}
  .faq-empty{
    margin-top:26px;
    padding:18px 20px;
    border-radius:var(--r-card);
    border:1px dashed var(--line);
    background:rgba(18,28,52,.4);
    font-size:14px;
    color:var(--text-2);
    text-align:center;
  }

  /* ---------- 处理流程 ---------- */
  .flow-wrap{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:56px;
    align-items:center;
  }
  .flow-text h2{
    font-size:clamp(24px,3vw,34px);
    margin-bottom:14px;
  }
  .flow-text > p{
    font-size:15px;
    color:var(--text-2);
    margin-bottom:28px;
  }
  .flow-steps{
    position:relative;
    padding-left:8px;
  }
  .flow-steps::before{
    content:"";
    position:absolute;
    left:25px;
    top:14px;
    bottom:14px;
    width:1px;
    background:linear-gradient(180deg,rgba(47,227,200,.5),rgba(47,227,200,.05));
  }
  .flow-steps li{
    position:relative;
    display:flex;
    gap:18px;
    padding-bottom:24px;
  }
  .flow-steps li:last-child{padding-bottom:0;}
  .step-num{
    flex-shrink:0;
    width:36px;height:36px;
    border-radius:50%;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:12px;
    font-weight:700;
    font-variant-numeric:tabular-nums;
    letter-spacing:-.02em;
    color:var(--amber);
    background:rgba(255,176,32,.1);
    border:1px solid rgba(255,176,32,.4);
    box-shadow:0 0 18px rgba(255,176,32,.16);
    position:relative;
    z-index:1;
  }
  .step-body h3{
    font-size:17px;
    font-weight:600;
    margin-bottom:6px;
  }
  .step-body p{
    font-size:14px;
    line-height:1.75;
    color:var(--text-2);
  }
  .flow-figure{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    border:1px solid rgba(120,200,255,.18);
    box-shadow:0 18px 46px rgba(3,8,20,.55),inset 0 0 40px rgba(47,227,200,.08);
  }
  .flow-figure img{
    width:100%;
    aspect-ratio:16/11;
    object-fit:cover;
    border-radius:20px;
    opacity:.92;
  }
  .flow-figure::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(7,12,27,.05) 30%,rgba(7,12,27,.85) 100%);
    pointer-events:none;
  }
  .figure-caption{
    position:absolute;
    left:20px;right:20px;bottom:18px;
    z-index:2;
    font-size:13px;
    color:var(--text-2);
    line-height:1.7;
  }

  /* ---------- 联系与时段 ---------- */
  .support-grid{
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:40px;
    align-items:stretch;
  }
  .support-panel{
    padding:32px;
    border-radius:var(--r-banner);
    background:var(--glass);
    border:1px solid var(--line);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    box-shadow:var(--shadow-card);
  }
  .support-panel h2{
    font-size:clamp(22px,2.6vw,30px);
    margin-bottom:12px;
  }
  .support-panel > p{
    font-size:15px;
    color:var(--text-2);
    margin-bottom:26px;
  }
  .info-list{display:grid;gap:16px;}
  .info-row{
    display:flex;
    gap:14px;
    align-items:flex-start;
    padding:14px 16px;
    border-radius:14px;
    background:rgba(11,20,40,.6);
    border:1px solid var(--line-soft);
  }
  .info-row .tag{
    flex-shrink:0;
    font-size:11px;
    letter-spacing:.06em;
    color:var(--neon);
    border:1px solid rgba(47,227,200,.34);
    background:rgba(47,227,200,.08);
    border-radius:var(--r-pill);
    padding:3px 10px;
    margin-top:2px;
  }
  .info-row .tag.amber{
    color:var(--amber);
    border-color:rgba(255,176,32,.4);
    background:rgba(255,176,32,.1);
  }
  .info-row strong{
    display:block;
    font-size:15px;
    font-weight:600;
    margin-bottom:4px;
    color:var(--text);
  }
  .info-row span.desc{
    font-size:13px;
    color:var(--text-2);
    line-height:1.7;
    display:block;
  }
  .support-media{
    position:relative;
    border-radius:var(--r-banner);
    overflow:hidden;
    border:1px solid var(--line);
    min-height:280px;
    box-shadow:var(--shadow-card);
  }
  .support-media img{
    width:100%;height:100%;
    object-fit:cover;
    border-radius:var(--r-banner);
    opacity:.9;
  }
  .support-media::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,12,27,.1),rgba(7,12,27,.88));
  }
  .support-media .media-note{
    position:absolute;
    left:24px;right:24px;bottom:22px;
    z-index:2;
    font-size:13px;
    color:var(--text-2);
    line-height:1.7;
  }
  .support-media .media-note b{color:var(--neon);font-weight:600;}

  /* ---------- CTA ---------- */
  .cta-banner{
    position:relative;
    overflow:hidden;
    border-radius:var(--r-banner);
    border:1px solid var(--line);
    background:var(--glass);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    padding:56px 40px;
    text-align:center;
    box-shadow:var(--shadow-card);
  }
  .cta-banner::before,
  .cta-banner::after{
    content:"";
    position:absolute;
    border-radius:50%;
    pointer-events:none;
  }
  .cta-banner::before{
    width:520px;height:520px;
    top:-260px;left:-120px;
    background:radial-gradient(circle,rgba(47,227,200,.14),transparent 66%);
  }
  .cta-banner::after{
    width:460px;height:460px;
    bottom:-250px;right:-100px;
    background:radial-gradient(circle,rgba(255,176,32,.12),transparent 68%);
  }
  .cta-banner > *{position:relative;z-index:1;}
  .cta-banner h2{
    font-size:clamp(22px,2.8vw,32px);
    margin-bottom:12px;
  }
  .cta-banner p{
    font-size:15px;
    color:var(--text-2);
    max-width:52ch;
    margin:0 auto 28px;
  }
  .cta-actions{
    display:flex;
    gap:14px;
    justify-content:center;
    flex-wrap:wrap;
    margin-bottom:18px;
  }
  .cta-note{
    font-size:12px;
    color:var(--text-3);
    letter-spacing:.02em;
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;
    background:#05090F;
    padding:64px 0 28px;
    color:var(--text-2);
  }
  .site-footer::before{
    content:"";
    position:absolute;
    top:0;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(47,227,200,.35),transparent);
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1.2fr;
    gap:36px;
    padding-bottom:40px;
    border-bottom:1px solid rgba(120,200,255,.08);
  }
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:14px;
  }
  .footer-brand .brand-text{font-size:15px;}
  .footer-desc{
    font-size:13px;
    line-height:1.85;
    color:var(--text-3);
    max-width:36ch;
  }
  .footer-title{
    font-size:13px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--text);
    margin-bottom:16px;
  }
  .footer-links{
    display:flex;
    flex-direction:column;
    gap:10px;
  }
  .footer-links a{
    font-size:13px;
    color:var(--text-2);
  }
  .footer-links a:hover{color:var(--neon);}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    padding-top:24px;
    font-size:12px;
    color:var(--text-3);
    letter-spacing:.02em;
  }
  .muted-note{color:var(--text-3);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1200px){
    .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:1024px){
    .section{padding:64px 0;}
    .hero{padding:60px 0 56px;}
    .nav-links{gap:16px;}
    .header-search input{width:150px;}
    .faq-columns{grid-template-columns:1fr;gap:26px;}
    .flow-wrap{grid-template-columns:1fr;gap:32px;}
    .support-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:860px){
    .nav-links{display:none;}
    .header-search{display:none;}
    .menu-toggle{display:inline-flex;}
    .header-actions .btn-text{display:none;}
    .header-inner{gap:14px;justify-content:space-between;}
    :root{--header-h:60px;}
  }
  @media (max-width:768px){
    .container{padding:0 20px;}
    .section{padding:56px 0;}
    .hero-search{flex-direction:column;}
    .hero-search .btn{width:100%;}
    .quick-grid{grid-template-columns:1fr;gap:16px;}
    .cta-banner{padding:40px 22px;}
    .support-panel{padding:24px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .hero-trust{gap:10px;flex-direction:column;}
  }
  @media (max-width:480px){
    body{font-size:15px;}
    .hero h1{font-size:28px;}
    .section-head h2,.flow-text h2,.support-panel h2{font-size:22px;}
    .quick-card h3{font-size:16px;}
    .faq-item summary{font-size:15px;padding:14px 16px;}
    .faq-answer{font-size:14px;padding:0 16px 16px;}
    .faq-group h3{font-size:17px;}
    .cta-actions .btn{width:100%;}
    .header-actions .btn-primary{display:none;}
  }

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