/* roulang page: index */
:root{
  --deep:#062635;
  --deep-2:#0a3a4e;
  --primary:#0f7f8c;
  --primary-dark:#0a606b;
  --primary-soft:#e2f3f4;
  --accent:#f2a03d;
  --accent-dark:#d5861f;
  --bg:#f4f8fa;
  --surface:#ffffff;
  --ink:#0d2233;
  --ink-2:#4a6272;
  --ink-3:#7f96a4;
  --line:#e0ecf1;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 18px rgba(10,42,58,.07);
  --shadow-lg:0 18px 40px rgba(10,42,58,.14);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0 0 76px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-dark);text-decoration:none;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.ico{width:20px;height:20px;flex:0 0 auto;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(10,42,58,.05);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,#12a0a6,#0b6f8a);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 6px 14px rgba(15,127,140,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.4px;}
.brand-tag{font-size:11px;color:var(--ink-3);letter-spacing:1.4px;font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(140deg,#f2a03d,#e08b28);color:#fff;
  padding:10px 20px;border-radius:9px;font-size:14px;font-weight:700;
  border:0;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  box-shadow:0 8px 18px rgba(242,160,61,.3);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,160,61,.38);color:#fff;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);transition:.2s;
}
.nav-toggle:hover{background:var(--primary-soft);border-color:#bfe0e4;}

.icon-nav{border-top:1px solid var(--line);background:#fbfdfe;}
.nav-list{display:flex;gap:8px;padding:9px 0;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-item a{
  display:flex;align-items:center;gap:9px;padding:8px 15px;border-radius:11px;
  color:var(--ink-2);font-size:14px;font-weight:700;white-space:nowrap;
  border:1px solid transparent;transition:.2s ease;
}
.nav-item a:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#c9e6e9;}
.nav-item.is-active a{
  background:linear-gradient(140deg,#0f7f8c,#0a6672);color:#fff;
  box-shadow:0 8px 18px rgba(15,127,140,.28);
}
.nav-item.is-active a:hover{color:#fff;}

/* ---------- buttons / tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:9px;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(140deg,#12a0a6,#0c7488);color:#fff;box-shadow:0 10px 22px rgba(15,127,140,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,127,140,.4);color:#fff;}
.btn-accent{background:linear-gradient(140deg,#f2a03d,#df8a26);color:#fff;box-shadow:0 10px 22px rgba(242,160,61,.32);}
.btn-accent:hover{transform:translateY(-2px);color:#fff;box-shadow:0 14px 28px rgba(242,160,61,.4);}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#eaf6f8;}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;border-color:#cfe3e9;color:var(--primary-dark);}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:var(--primary-soft);color:var(--primary-dark);
}
.tag-accent{background:#fdf0dc;color:#ab6a12;}
.tag-line{background:transparent;border:1px solid rgba(255,255,255,.4);color:#dff0f3;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--deep);color:#eaf6f8;}
.hero-bg{
  position:absolute;inset:0;background:url('/assets/images/8ca992fb237c9c96.webp') center/cover no-repeat;
  opacity:.4;transform:scale(1.03);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(4,30,43,.95) 0%,rgba(7,46,64,.9) 46%,rgba(9,74,90,.66) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;padding:62px 0 70px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:1.6px;color:#9fd9dd;text-transform:uppercase;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px;}
.hero h1{font-size:40px;line-height:1.3;color:#fff;margin-bottom:18px;letter-spacing:.5px;}
.hero-sub{font-size:15.5px;line-height:1.85;color:#c8e0e6;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-panel{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:16px;padding:26px 24px;backdrop-filter:blur(6px);
}
.hero-panel h2{font-size:17px;color:#fff;margin-bottom:6px;}
.hero-panel .panel-desc{font-size:13px;color:#a9cbd4;margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-item{
  display:flex;align-items:flex-start;gap:11px;padding:11px 13px;border-radius:11px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  font-size:13.5px;color:#d9ecf0;line-height:1.6;transition:.2s;
}
.check-item:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);}
.check-tick{
  width:20px;height:20px;border-radius:50%;flex:0 0 auto;margin-top:1px;
  background:rgba(242,160,61,.2);color:var(--accent);display:grid;place-items:center;
}
.hero-foot{
  display:flex;flex-wrap:wrap;gap:26px 42px;margin-top:30px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-foot span{font-size:13px;color:#a9cbd4;}
.hero-foot b{display:block;font-size:21px;color:#fff;font-weight:800;}

/* ---------- stat strip ---------- */
.stat-strip{background:#fff;border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat-item{padding:26px 18px;text-align:center;border-right:1px dashed var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:27px;font-weight:800;color:var(--primary);letter-spacing:-.5px;}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px;color:var(--ink-2);}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:4px;}

/* ---------- sections ---------- */
.section{padding:66px 0;}
.section--alt{background:#fff;}
.section--tint{background:#eef6f8;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;
  letter-spacing:1.4px;color:var(--primary);margin-bottom:12px;text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}
.section-title{font-size:27px;color:var(--ink);margin-bottom:12px;}
.section-desc{font-size:15px;color:var(--ink-2);line-height:1.85;}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e4;}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-dark);margin-bottom:16px;
}
.card h3{font-size:17.5px;margin-bottom:9px;color:var(--ink);}
.card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ---------- countdown ---------- */
.countdown-band{background:linear-gradient(120deg,#072d3f,#0d5b6d 62%,#137788);color:#eaf6f8;padding:44px 0;}
.countdown-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.countdown-copy h2{font-size:23px;color:#fff;margin-bottom:8px;}
.countdown-copy p{font-size:14px;color:#b6d6dd;max-width:520px;}
.cd-cells{display:flex;gap:12px;}
.cd-cell{
  min-width:76px;padding:12px 10px;border-radius:12px;text-align:center;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
}
.cd-cell b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:1px;}
.cd-cell span{font-size:12px;color:#a9cbd4;}

/* ---------- steps ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 24px;box-shadow:var(--shadow);transition:.2s;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e4;}
.step-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;background:linear-gradient(140deg,#0f7f8c,#0a6672);
  margin-bottom:14px;
}
.step-item h3{font-size:16px;margin-bottom:8px;}
.step-item p{font-size:13.5px;color:var(--ink-2);line-height:1.78;}

/* ---------- tiers ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.tier{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.2s;
}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.tier--featured{border-color:#8fd2d8;box-shadow:0 18px 40px rgba(15,127,140,.16);position:relative;}
.tier--featured::before{
  content:"推荐";position:absolute;top:-12px;left:24px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:800;padding:3px 12px;border-radius:999px;letter-spacing:1px;
}
.tier h3{font-size:18px;margin-bottom:6px;}
.tier .tier-sub{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.tier ul{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.tier li{display:flex;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.tier li .ico{width:17px;height:17px;color:var(--primary);margin-top:4px;}
.tier .btn{margin-top:auto;width:100%;}

/* ---------- rewards ---------- */
.reward-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.reward{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  text-align:left;box-shadow:var(--shadow);transition:.2s;
}
.reward:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#c9e6e9;}
.reward-ico{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:#fdf0dc;color:var(--accent-dark);margin-bottom:14px;
}
.reward h3{font-size:15.5px;margin-bottom:7px;}
.reward p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}

/* ---------- entry wall ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.entry-card{
  position:relative;display:block;overflow:hidden;border-radius:16px;
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e4;color:inherit;}
.entry-thumb{height:150px;overflow:hidden;background:#dfeef1;}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.entry-card:hover .entry-thumb img{transform:scale(1.06);}
.entry-body{padding:20px 22px 24px;}
.entry-body h3{font-size:17px;margin-bottom:8px;}
.entry-body p{font-size:13.5px;color:var(--ink-2);line-height:1.78;}
.entry-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:800;color:var(--primary-dark);}

/* ---------- scene matrix ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.scene{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);
  border-radius:12px;padding:20px 22px;box-shadow:var(--shadow);transition:.2s;
}
.scene:hover{transform:translateX(3px);box-shadow:var(--shadow-lg);}
.scene h3{font-size:15.5px;margin-bottom:7px;}
.scene p{font-size:13.5px;color:var(--ink-2);line-height:1.78;}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 26px;box-shadow:var(--shadow);}
.compare-col.is-new{border-color:#8fd2d8;background:linear-gradient(180deg,#f4fdfd,#fff);}
.compare-col h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.compare-col ul{display:flex;flex-direction:column;gap:12px;}
.compare-col li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.75;}
.compare-col li .ico{width:18px;height:18px;margin-top:4px;color:var(--primary);}
.compare-col.is-old li .ico{color:#b2c3cc;}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:26px;align-items:start;}
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);transition:.2s;color:inherit;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#bfe0e4;color:inherit;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:10px;font-size:12.5px;color:var(--ink-3);}
.news-card h3{font-size:16.5px;margin-bottom:8px;color:var(--ink);}
.news-card p{font-size:13.5px;color:var(--ink-2);line-height:1.78;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.side-card h3{font-size:16px;margin-bottom:16px;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:var(--ink-2);}
.side-list li span.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;flex:0 0 auto;}
.side-list a{color:var(--ink-2);}
.side-list a:hover{color:var(--primary-dark);}
.empty-tip{font-size:14px;color:var(--ink-3);padding:20px 0;}

/* ---------- quotes ---------- */
.quote-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 22px 20px;
  box-shadow:var(--shadow);transition:.2s;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#c9e6e9;}
.quote-card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;}
.quote-user{display:flex;align-items:center;gap:10px;}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:800;font-size:14px;
}
.quote-name{font-size:13.5px;font-weight:800;color:var(--ink);}
.quote-role{font-size:12px;color:var(--ink-3);}

/* ---------- shield row ---------- */
.shield-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.shield-item{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;box-shadow:var(--shadow);transition:.2s;
}
.shield-item:hover{border-color:#bfe0e4;box-shadow:var(--shadow-lg);}
.shield-item .ico{width:22px;height:22px;color:var(--primary);margin-top:3px;}
.shield-item h3{font-size:14.5px;margin-bottom:5px;}
.shield-item p{font-size:13px;color:var(--ink-2);line-height:1.7;}

/* ---------- notice ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;
  background:#fffaf1;border:1px solid #f6e2c0;border-radius:14px;padding:24px 26px;
  box-shadow:0 6px 18px rgba(180,130,40,.07);
}
.notice .ico{width:24px;height:24px;color:var(--accent-dark);margin-top:3px;}
.notice h3{font-size:16px;margin-bottom:8px;color:#8a5a10;}
.notice p{font-size:13.5px;color:#7a6238;line-height:1.8;}

/* ---------- final cta ---------- */
.cta-final{position:relative;overflow:hidden;background:var(--deep);color:#eaf6f8;padding:70px 0;}
.cta-final .hero-bg{opacity:.28;}
.cta-final::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(4,30,43,.94),rgba(9,74,90,.72));}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;}
.cta-inner h2{font-size:30px;color:#fff;margin-bottom:16px;}
.cta-inner p{font-size:15px;color:#c2dde3;line-height:1.85;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- footer ---------- */
.site-footer{background:#041d29;color:#9fbcc6;padding:54px 0 0;font-size:13.5px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#12a0a6,#0b6f8a);}
.footer-brand strong{font-size:17px;color:#fff;letter-spacing:.4px;}
.site-footer p{line-height:1.85;color:#8fadb8;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#9fbcc6;font-size:13.5px;transition:.2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:#7c99a4;
}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(4,26,37,.96);border-top:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(8px);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0;}
.sticky-text{font-size:13.5px;color:#c8e0e6;display:flex;align-items:center;gap:9px;}
.sticky-text .ico{color:var(--accent);width:18px;height:18px;}
.sticky-inner .btn{padding:9px 20px;font-size:14px;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:52px 0 58px;}
  .hero h1{font-size:33px;}
  .grid-4,.reward-grid,.shield-row{grid-template-columns:repeat(2,1fr);}
  .step-list{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .quote-wall{grid-template-columns:repeat(2,1fr);}
  .entry-grid,.scene-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item{border-bottom:1px dashed var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  body{padding-bottom:84px;font-size:14.5px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .icon-nav .nav-list{display:none;flex-direction:column;padding:8px 0 14px;overflow:visible;}
  .icon-nav.is-open .nav-list{display:flex;}
  .nav-item a{padding:11px 14px;}
  .section{padding:48px 0;}
  .section-title{font-size:23px;}
  .grid-3,.grid-2,.tier-grid,.compare{grid-template-columns:1fr;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:14.5px;}
  .countdown-inner{flex-direction:column;align-items:flex-start;}
  .cd-cell{min-width:66px;}
  .cta-inner h2{font-size:23px;}
  .sticky-text span{display:none;}
  .sticky-inner{justify-content:center;}
  .sticky-inner .btn{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .grid-4,.reward-grid,.shield-row,.step-list,.quote-wall,.entry-grid,.scene-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;}
  .hero h1{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-foot{gap:18px 28px;}
  .cd-cells{gap:8px;flex-wrap:wrap;}
  .cd-cell{min-width:60px;padding:10px 8px;}
  .cd-cell b{font-size:21px;}
}

/* roulang page: category1 */
:root{
 --deep:#062635;
 --deep-2:#0a3a4e;
 --primary:#0f7f8c;
 --primary-dark:#0a606b;
 --primary-soft:#e2f3f4;
 --accent:#f2a03d;
 --accent-dark:#d5861f;
 --bg:#f4f8fa;
 --surface:#ffffff;
 --ink:#0d2233;
 --ink-2:#4a6272;
 --ink-3:#7f96a4;
 --line:#e0ecf1;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 6px 18px rgba(10,42,58,.07);
 --shadow-lg:0 18px 40px rgba(10,42,58,.14);
 --container:1180px;
}
html{-webkit-text-size-adjust:100%;}
body{
 margin:0;padding:0 0 80px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-dark);text-decoration:none;}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.ico{width:20px;height:20px;flex:0 0 auto;}
/* header */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(10,42,58,.05);}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;}
.brand-mark{width:36px;height:36px;border-radius:11px;flex:0 0 auto;background:linear-gradient(140deg,#12a0a6,#0b6f8a);display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(15,127,140,.28);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.4px;}
.brand-tag{font-size:11px;color:var(--ink-3);letter-spacing:1.4px;font-weight:600;}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(140deg,#f2a03d,#e08b28);color:#fff;padding:10px 20px;border-radius:9px;font-size:14px;font-weight:700;border:0;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 8px 18px rgba(242,160,61,.3);}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,160,61,.38);color:#fff;}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);transition:.2s;}
.nav-toggle:hover{background:var(--primary-soft);border-color:#bfe0e4;}
.icon-nav{border-top:1px solid var(--line);background:#fbfdfe;}
.nav-list{display:flex;gap:8px;padding:9px 0;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-item a{display:flex;align-items:center;gap:9px;padding:8px 15px;border-radius:11px;color:var(--ink-2);font-size:14px;font-weight:700;white-space:nowrap;border:1px solid transparent;transition:.2s ease;}
.nav-item a:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#c9e6e9;}
.nav-item.is-active a{background:linear-gradient(140deg,#0f7f8c,#0a6672);color:#fff;box-shadow:0 8px 18px rgba(15,127,140,.28);}
.nav-item.is-active a:hover{color:#fff;}
/* buttons / tags */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:9px;font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn-primary{background:linear-gradient(140deg,#12a0a6,#0c7488);color:#fff;box-shadow:0 10px 22px rgba(15,127,140,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,127,140,.4);color:#fff;}
.btn-accent{background:linear-gradient(140deg,#f2a03d,#df8a26);color:#fff;box-shadow:0 10px 22px rgba(242,160,61,.32);}
.btn-accent:hover{transform:translateY(-2px);color:#fff;box-shadow:0 14px 28px rgba(242,160,61,.4);}
.btn-outline{background:#fff;border-color:#cfe3e9;color:var(--primary-dark);}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#eaf6f8;}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:var(--primary-soft);color:var(--primary-dark);}
.tag-accent{background:#fdf0dc;color:#ab6a12;}
.tag-line{background:transparent;border:1px solid rgba(255,255,255,.4);color:#dff0f3;}
/* page hero (内页变体：参数首屏) */
.page-hero{position:relative;overflow:hidden;background:var(--deep);color:#eaf6f8;}
.page-hero-bg{position:absolute;inset:0;background:url('/assets/images/cf1ba5d996114af9.webp') center/cover no-repeat;opacity:.34;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(4,30,43,.96) 0%,rgba(7,48,66,.92) 52%,rgba(10,80,96,.68) 100%);}
.page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;padding:54px 0 58px;align-items:start;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:1.6px;color:#9fd9dd;margin-bottom:16px;}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px;}
.page-hero h1{font-size:36px;line-height:1.32;color:#fff;margin-bottom:16px;}
.page-hero .lead{font-size:15px;line-height:1.85;color:#c6dee5;max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:26px;}
.param-board{background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:22px 22px 18px;}
.param-board h2{font-size:15px;color:#fff;margin-bottom:4px;}
.param-board .pb-desc{font-size:12.5px;color:#a5c9d3;margin-bottom:16px;}
.param-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.16);}
.param-row:last-child{border-bottom:0;}
.param-key{font-size:13px;color:#b9d6de;}
.param-val{font-size:15px;font-weight:800;color:#fff;letter-spacing:.3px;}
.param-val em{font-style:normal;color:var(--accent);font-size:12px;font-weight:700;margin-left:5px;}
/* metric strip */
.metric-strip{background:var(--deep-2);color:#dff1f4;border-bottom:1px solid rgba(255,255,255,.08);}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.1);}
.metric-cell{background:var(--deep-2);padding:22px 20px;}
.metric-cell .m-num{font-size:26px;font-weight:800;color:#fff;line-height:1.2;}
.metric-cell .m-num span{font-size:14px;color:var(--accent);margin-left:3px;}
.metric-cell .m-label{font-size:12.5px;color:#9dc3cd;margin-top:5px;letter-spacing:.4px;}
/* sections */
.section{padding:60px 0;}
.section.alt{background:#fff;}
.section.dark{background:linear-gradient(160deg,#07293a,#0a3f52);color:#dcedf1;}
.section-head{margin-bottom:34px;max-width:760px;}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:1.4px;color:var(--primary);margin-bottom:10px;}
.section-head .kicker::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--accent);}
.section-head h2{font-size:26px;line-height:1.4;color:var(--ink);}
.section.dark .section-head h2{color:#fff;}
.section-head p{margin-top:12px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.section.dark .section-head p{color:#b6d3db;}
/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card-grid.two{grid-template-columns:repeat(2,1fr);}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 22px 20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bcdde4;}
.card .c-icon{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary-dark);display:grid;place-items:center;margin-bottom:14px;}
.card h3{font-size:17px;line-height:1.5;margin-bottom:9px;}
.card p{font-size:14px;color:var(--ink-2);line-height:1.78;}
.card .c-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px;}
.card .c-tags .tag{font-size:11.5px;padding:4px 10px;}
.card-thumb{border-radius:var(--radius-sm);overflow:hidden;margin:-22px -22px 16px;border-bottom:1px solid var(--line);}
.card-thumb img{width:100%;height:168px;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card.dark-card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);box-shadow:none;}
.card.dark-card:hover{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.3);}
.card.dark-card h3{color:#fff;}
.card.dark-card p{color:#bcd8df;}
.card.dark-card .c-icon{background:rgba(255,255,255,.12);color:#8fd6db;}
/* scenario / step flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 18px;box-shadow:var(--shadow);transition:.2s;}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#bcdde4;}
.flow-step .step-no{font-size:12px;font-weight:800;letter-spacing:1.2px;color:var(--primary);margin-bottom:8px;}
.flow-step h3{font-size:16px;margin-bottom:8px;}
.flow-step p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}
/* compare table */
.compare{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.compare-row{display:grid;grid-template-columns:.85fr 1.1fr 1.1fr;border-bottom:1px solid var(--line);}
.compare-row:last-child{border-bottom:0;}
.compare-row > div{padding:15px 18px;font-size:14px;line-height:1.7;}
.compare-row .c-head{background:#f1f8fa;font-weight:800;color:var(--ink);font-size:13.5px;}
.compare-row .c-bad{color:#a8573d;background:#fdf6f2;}
.compare-row .c-good{color:#0a606b;background:#f4fbfb;font-weight:600;}
/* evidence list */
.evidence{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.ev-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:.2s;}
.ev-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#bcdde4;}
.ev-item img{width:96px;height:96px;object-fit:cover;border-radius:var(--radius-sm);flex:0 0 auto;}
.ev-item h3{font-size:15.5px;margin-bottom:7px;}
.ev-item p{font-size:13.5px;color:var(--ink-2);line-height:1.75;}
/* faq */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;font-size:15.5px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;transition:.2s;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--primary);font-weight:700;line-height:1;}
.faq-item[open] summary::after{content:"–";}
.faq-item summary:hover{background:var(--primary-soft);}
.faq-item .faq-body{padding:0 20px 18px;font-size:14px;color:var(--ink-2);line-height:1.82;}
/* cms list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;height:100%;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#bcdde4;}
.news-card img{width:100%;height:154px;object-fit:cover;}
.news-card .n-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1;}
.news-card h3{font-size:15.5px;line-height:1.55;}
.news-card p{font-size:13.5px;color:var(--ink-2);line-height:1.72;}
.news-card .n-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--ink-3);padding-top:8px;border-top:1px dashed var(--line);}
.news-empty{background:#fff;border:1px dashed #c9dfe6;border-radius:var(--radius);padding:34px 24px;text-align:center;color:var(--ink-2);font-size:14px;}
/* guarantee bar */
.guard-bar{background:linear-gradient(120deg,#0f7f8c,#0a5c73);color:#eaf7f9;border-radius:var(--radius);padding:26px 28px;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;box-shadow:0 14px 30px rgba(10,90,105,.28);}
.guard-bar h2{font-size:20px;color:#fff;margin-bottom:6px;}
.guard-bar p{font-size:14px;color:#c9e6ea;line-height:1.75;}
/* cta */
.cta-block{background:linear-gradient(145deg,#082f41,#0a4a5d);border-radius:18px;padding:38px 34px;color:#e6f4f7;display:grid;grid-template-columns:1.2fr auto;gap:26px;align-items:center;box-shadow:var(--shadow-lg);}
.cta-block h2{font-size:24px;color:#fff;margin-bottom:10px;line-height:1.4;}
.cta-block p{font-size:14.5px;color:#bcdbe2;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* footer */
.site-footer{background:#05202d;color:#a9c7d1;padding:48px 0 0;margin-top:0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;padding-bottom:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;margin-bottom:14px;}
.footer-brand strong{font-size:16.5px;letter-spacing:.3px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px;}
.footer-col p{font-size:13.5px;line-height:1.82;color:#94b5c0;}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul li a{color:#a9c7d1;font-size:13.5px;transition:.2s;}
.footer-col ul li a:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:#7fa0ac;}
.footer-bottom a{color:#9dc0cb;}
/* fixed bar */
.fixed-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:rgba(5,32,45,.96);border-top:1px solid rgba(255,255,255,.12);backdrop-filter:blur(8px);}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0;}
.fixed-inner .fb-text{font-size:13.5px;color:#cfe6ec;line-height:1.6;}
.fixed-inner .fb-text strong{color:#fff;}
.fixed-actions{display:flex;gap:10px;flex:0 0 auto;}
.fixed-actions .btn{padding:9px 18px;font-size:13.5px;}
/* focus */
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(242,160,61,.65);outline-offset:2px;border-radius:6px;}
/* responsive */
@media (max-width:1024px){
 .page-hero-inner{grid-template-columns:1fr;gap:30px;padding:44px 0 48px;}
 .page-hero h1{font-size:31px;}
 .metric-grid{grid-template-columns:repeat(2,1fr);}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .flow{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .guard-bar{grid-template-columns:1fr;}
 .cta-block{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
 .nav-toggle{display:inline-flex;}
 .nav-cta{display:none;}
 .icon-nav{display:none;}
 .icon-nav.is-open{display:block;}
 .nav-list{flex-direction:column;gap:6px;padding:12px 0;}
 .nav-item a{justify-content:flex-start;padding:11px 14px;}
 .section{padding:44px 0;}
 .section-head h2{font-size:22px;}
 .page-hero h1{font-size:27px;}
 .compare-row{grid-template-columns:1fr;}
 .compare-row .c-head{background:#eaf4f7;}
 .evidence{grid-template-columns:1fr;}
 .fixed-inner{flex-direction:column;align-items:stretch;gap:8px;}
 .fixed-actions{justify-content:stretch;}
 .fixed-actions .btn{flex:1;}
}
@media (max-width:520px){
 .card-grid,.card-grid.two,.flow,.news-grid,.footer-grid{grid-template-columns:1fr;}
 .hero-tags .tag{font-size:11.5px;}
 .brand-name{font-size:16px;}
 .brand-tag{font-size:10px;letter-spacing:1px;}
 .metric-cell .m-num{font-size:22px;}
 .cta-block{padding:28px 22px;}
 .guard-bar{padding:22px 20px;}
 .ev-item{flex-direction:column;}
 .ev-item img{width:100%;height:140px;}
}

/* roulang page: article */
:root{
 --deep:#062635;
 --deep-2:#0a3a4e;
 --primary:#0f7f8c;
 --primary-dark:#0a606b;
 --primary-soft:#e2f3f4;
 --accent:#f2a03d;
 --accent-dark:#d5861f;
 --bg:#f4f8fa;
 --surface:#ffffff;
 --ink:#0d2233;
 --ink-2:#4a6272;
 --ink-3:#7f96a4;
 --line:#e0ecf1;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 6px 18px rgba(10,42,58,.07);
 --shadow-lg:0 18px 40px rgba(10,42,58,.14);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;padding:0 0 96px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.ico{width:18px;height:18px;flex:0 0 auto;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(10,42,58,.05);}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;}
.brand-mark{width:36px;height:36px;border-radius:11px;flex:0 0 auto;background:linear-gradient(140deg,#12a0a6,#0b6f8a);display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(15,127,140,.28);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.4px;}
.brand-tag{font-size:11px;color:var(--ink-3);letter-spacing:1.4px;font-weight:600;}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(140deg,#f2a03d,#e08b28);color:#fff;padding:10px 20px;border-radius:9px;font-size:14px;font-weight:700;border:0;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;box-shadow:0 8px 18px rgba(242,160,61,.3);}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,160,61,.38);color:#fff;}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);transition:.2s;}
.nav-toggle:hover{background:var(--primary-soft);border-color:#bfe0e4;}
.icon-nav{border-top:1px solid var(--line);background:#fbfdfe;}
.nav-list{display:flex;gap:8px;padding:9px 0;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-item a{display:flex;align-items:center;gap:9px;padding:8px 15px;border-radius:11px;color:var(--ink-2);font-size:14px;font-weight:700;white-space:nowrap;border:1px solid transparent;transition:.2s ease;}
.nav-item a:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#c9e6e9;}
.nav-item.is-active a{background:linear-gradient(140deg,#0f7f8c,#0a6672);color:#fff;box-shadow:0 8px 18px rgba(15,127,140,.28);}
.nav-item.is-active a:hover{color:#fff;}

/* ---------- buttons & tags ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:9px;font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn-primary{background:linear-gradient(140deg,#12a0a6,#0c7488);color:#fff;box-shadow:0 10px 22px rgba(15,127,140,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,127,140,.4);color:#fff;}
.btn-accent{background:linear-gradient(140deg,#f2a03d,#df8a26);color:#fff;box-shadow:0 10px 22px rgba(242,160,61,.32);}
.btn-accent:hover{transform:translateY(-2px);color:#fff;box-shadow:0 14px 28px rgba(242,160,61,.4);}
.btn-outline{background:#fff;border-color:#cfe3e9;color:var(--primary-dark);}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.35);color:#eaf6f8;}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:var(--primary-soft);color:var(--primary-dark);}
.tag-accent{background:#fdf0dc;color:#ab6a12;}
.tag-line{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.32);color:#dff0f3;}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--deep);color:#eaf6f8;}
.article-hero-bg{position:absolute;inset:0;background:url('/assets/images/cf1ba5d996114af9.webp') center/cover no-repeat;opacity:.34;transform:scale(1.04);}
.article-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(4,30,43,.96) 0%,rgba(7,46,64,.9) 52%,rgba(9,74,90,.6) 100%);}
.article-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 380px;gap:44px;align-items:center;padding:46px 0 54px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:#9fc3cd;margin-bottom:16px;}
.crumb a{color:#bfe0e6;}
.crumb a:hover{color:#fff;}
.crumb span.sep{color:#5c8b99;}
.article-hero h1{font-size:34px;line-height:1.34;color:#fff;letter-spacing:.4px;margin-bottom:14px;}
.article-lead{font-size:14.5px;line-height:1.9;color:#c8e0e6;max-width:640px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;margin-top:22px;font-size:13px;color:#a9cbd4;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);}
.article-cover{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:0 22px 44px rgba(2,20,30,.42);}
.article-cover img{width:100%;height:250px;object-fit:cover;}

/* ---------- layout ---------- */
.article-wrap{padding:52px 0 10px;}
.article-layout{display:grid;grid-template-columns:minmax(0,720px) 320px;gap:40px;justify-content:center;align-items:start;}
.article-main{min-width:0;}
.article-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px 34px;}

/* ---------- article body ---------- */
.article-body{font-size:15.5px;line-height:1.85;color:var(--ink-2);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{font-size:22px;line-height:1.5;color:var(--ink);margin:34px 0 14px;padding-left:13px;border-left:4px solid var(--primary);}
.article-body h3{font-size:18px;line-height:1.55;color:var(--ink);margin:26px 0 10px;}
.article-body p{margin:0 0 16px;}
.article-body strong{color:var(--ink);font-weight:800;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;margin-bottom:9px;line-height:1.8;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--primary);}
.article-body ol{counter-reset:li;}
.article-body ol li::before{counter-increment:li;content:counter(li);position:absolute;left:0;top:1px;width:16px;height:16px;border-radius:50%;background:var(--primary-soft);color:var(--primary-dark);font-size:11px;font-weight:800;display:grid;place-items:center;line-height:1;}
.article-body img{border-radius:var(--radius-sm);margin:18px 0;box-shadow:var(--shadow);}
.article-body a{color:var(--primary-dark);border-bottom:1px solid #bfe0e4;font-weight:600;}
.article-body a:hover{color:var(--primary);border-color:var(--primary);}
.article-body blockquote{margin:20px 0;padding:16px 20px;background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#0b5560;font-size:14.5px;}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:#f0f7f9;color:var(--ink);font-weight:800;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:26px 0;}

/* ---------- empty state ---------- */
.empty-state{text-align:center;padding:26px 10px 10px;}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px;border:0;padding:0;}
.empty-state p{color:var(--ink-2);margin-bottom:22px;}

/* ---------- sections ---------- */
.section{padding:46px 0;}
.section-alt{background:#eef6f8;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:25px;color:var(--ink);letter-spacing:.3px;display:flex;align-items:center;gap:12px;}
.section-head h2::before{content:"";width:6px;height:24px;border-radius:3px;background:linear-gradient(180deg,#12a0a6,#0f7f8c);}
.section-head p{font-size:14px;color:var(--ink-2);max-width:620px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e4;}
.info-card .card-ico{width:40px;height:40px;border-radius:11px;background:var(--primary-soft);color:var(--primary-dark);display:grid;place-items:center;margin-bottom:14px;}
.info-card h3{font-size:16.5px;color:var(--ink);margin-bottom:8px;}
.info-card p{font-size:13.8px;line-height:1.8;color:var(--ink-2);margin-bottom:12px;}
.info-card .card-foot{font-size:12.5px;color:var(--ink-3);font-weight:700;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:#bfe0e4;box-shadow:var(--shadow-lg);}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 20px;font-size:15.5px;font-weight:700;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:14px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--primary);font-weight:600;transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-answer{padding:0 20px 18px;font-size:14.2px;line-height:1.85;color:var(--ink-2);}

/* ---------- join band ---------- */
.join-band{padding:0 0 56px;}
.join-inner{position:relative;overflow:hidden;border-radius:18px;background:var(--deep-2);color:#eaf6f8;padding:38px 40px;display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;box-shadow:0 20px 44px rgba(6,38,53,.24);}
.join-inner::before{content:"";position:absolute;inset:0;background:url('/assets/images/86ce25dad7740b27.webp') center/cover no-repeat;opacity:.2;transform:scale(1.05);}
.join-inner > *{position:relative;z-index:2;}
.join-inner h2{font-size:24px;color:#fff;margin-bottom:8px;}
.join-inner p{font-size:14px;color:#c3dde4;max-width:600px;}
.join-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:132px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;}
.side-card h3{font-size:15.5px;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent);}
.side-list li{display:flex;flex-direction:column;gap:3px;padding:11px 0;border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{font-size:13.8px;font-weight:600;color:var(--ink-2);line-height:1.6;}
.side-list a:hover{color:var(--primary-dark);}
.side-date{font-size:12px;color:var(--ink-3);}
.side-note{font-size:13px;color:var(--ink-3);line-height:1.75;}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13.5px;color:var(--ink-2);}
.stat-row:last-child{border-bottom:0;}
.stat-row b{color:var(--primary-dark);font-size:15px;font-weight:800;}
.side-cta{display:block;text-align:center;padding:12px 16px;border-radius:9px;background:var(--primary-soft);color:var(--primary-dark);font-weight:700;font-size:14px;border:1px solid #c9e6e9;transition:.2s;}
.side-cta:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{background:#052029;color:#b9d3da;padding:48px 0 22px;border-top:1px solid #0d3542;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;margin-bottom:14px;font-size:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;}
.footer-col p{font-size:13.4px;line-height:1.85;color:#93b3bc;max-width:420px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13.5px;color:#a6c4cc;}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:34px;padding-top:18px;border-top:1px solid #103845;font-size:12.5px;color:#7fa1ab;}

/* ---------- sticky bar ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:90;background:rgba(6,38,53,.97);border-top:1px solid #12454f;padding:12px 0;backdrop-filter:blur(6px);}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.sticky-text{display:flex;flex-direction:column;line-height:1.4;color:#fff;}
.sticky-text strong{font-size:14.5px;}
.sticky-text span{font-size:12px;color:#9fc3cd;}
.sticky-inner .btn{padding:10px 20px;font-size:14px;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .article-hero-inner{grid-template-columns:1fr;gap:28px;padding:40px 0 44px;}
 .article-cover img{height:220px;}
 .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
 .article-side{position:static;}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .join-inner{grid-template-columns:1fr;padding:32px 28px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
 .nav-toggle{display:inline-flex;}
 .icon-nav{display:none;}
 .icon-nav.is-open{display:block;}
 .nav-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:12px 0;overflow:visible;}
 .nav-item a{width:100%;justify-content:flex-start;font-size:13.5px;padding:9px 11px;}
 .nav-cta{padding:9px 14px;font-size:13px;}
 .brand-name{font-size:16px;}
 .brand-tag{display:none;}
 .article-hero h1{font-size:26px;line-height:1.4;}
 .article-lead{font-size:14px;}
 .article-panel{padding:24px 20px;}
 .article-body{font-size:15px;}
 .article-body h2{font-size:19px;}
 .card-grid{grid-template-columns:1fr;}
 .section{padding:36px 0;}
 .section-head h2{font-size:21px;}
 .join-band{padding:0 0 40px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .sticky-text span{display:none;}
}
@media (max-width:520px){
 .header-top{gap:10px;}
 .nav-cta span{display:none;}
 .nav-cta{padding:10px 12px;}
 .nav-list{grid-template-columns:1fr;}
 .article-hero-inner{padding:32px 0 36px;}
 .article-cover img{height:180px;}
 .article-meta{font-size:12px;gap:8px 14px;}
 .btn{padding:11px 18px;font-size:14px;}
 .join-actions{flex-direction:column;align-items:stretch;}
 .join-actions .btn{width:100%;}
 .sticky-text strong{font-size:13px;}
 .sticky-inner .btn{padding:9px 14px;font-size:13px;}
}

/* roulang page: category3 */
:root{
 --deep:#062635;
 --deep-2:#0a3a4e;
 --primary:#0f7f8c;
 --primary-dark:#0a606b;
 --primary-soft:#e2f3f4;
 --accent:#f2a03d;
 --accent-dark:#d5861f;
 --bg:#f4f8fa;
 --surface:#ffffff;
 --ink:#0d2233;
 --ink-2:#4a6272;
 --ink-3:#7f96a4;
 --line:#e0ecf1;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 6px 18px rgba(10,42,58,.07);
 --shadow-lg:0 18px 40px rgba(10,42,58,.14);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;padding:0 0 92px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.35;color:var(--ink);}
p{margin:0 0 12px;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
.ico{width:18px;height:18px;display:inline-block;vertical-align:middle;flex:0 0 auto;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;background:#fff;
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(10,42,58,.05);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(140deg,#12a0a6,#0b6f8a);
 display:grid;place-items:center;color:#fff;
 box-shadow:0 6px 14px rgba(15,127,140,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.4px;}
.brand-tag{font-size:11px;color:var(--ink-3);letter-spacing:1.4px;font-weight:600;}
.nav-cta{
 display:inline-flex;align-items:center;gap:8px;
 background:linear-gradient(140deg,#f2a03d,#e08b28);color:#fff;
 padding:10px 20px;border-radius:9px;font-size:14px;font-weight:700;
 border:0;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
 box-shadow:0 8px 18px rgba(242,160,61,.3);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,160,61,.38);color:#fff;}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 background:#fff;color:var(--ink);transition:.2s;
}
.nav-toggle:hover{background:var(--primary-soft);border-color:#bfe0e4;}
.icon-nav{border-top:1px solid var(--line);background:#fbfdfe;}
.nav-list{display:flex;gap:8px;padding:9px 0;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-item a{
 display:flex;align-items:center;gap:9px;padding:8px 15px;border-radius:11px;
 color:var(--ink-2);font-size:14px;font-weight:700;white-space:nowrap;
 border:1px solid transparent;transition:.2s ease;
}
.nav-item a:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#c9e6e9;}
.nav-item.is-active a{
 background:linear-gradient(140deg,#0f7f8c,#0a6672);color:#fff;
 box-shadow:0 8px 18px rgba(15,127,140,.28);
}
.nav-item.is-active a:hover{color:#fff;}

/* ---------- buttons / tags ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:9px;font-size:15px;font-weight:700;
 border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(140deg,#12a0a6,#0c7488);color:#fff;box-shadow:0 10px 22px rgba(15,127,140,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,127,140,.4);color:#fff;}
.btn-accent{background:linear-gradient(140deg,#f2a03d,#df8a26);color:#fff;box-shadow:0 10px 22px rgba(242,160,61,.32);}
.btn-accent:hover{transform:translateY(-2px);color:#fff;box-shadow:0 14px 28px rgba(242,160,61,.4);}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#eaf6f8;}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;border-color:#cfe3e9;color:var(--primary-dark);}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);color:var(--primary-dark);}
.btn:focus-visible,.nav-cta:focus-visible,.nav-toggle:focus-visible,a:focus-visible{
 outline:3px solid rgba(242,160,61,.55);outline-offset:2px;
}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;background:var(--primary-soft);color:var(--primary-dark);
}
.tag-accent{background:#fdf0dc;color:#ab6a12;}
.tag-line{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.34);color:#dff0f3;}

/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--deep);color:#eaf6f8;}
.cat-hero .hero-bg{
 position:absolute;inset:0;
 background:url('/assets/images/cf1ba5d996114af9.webp') center/cover no-repeat;
 opacity:.4;transform:scale(1.04);
}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(4,30,43,.96) 0%,rgba(7,46,64,.9) 48%,rgba(10,80,96,.64) 100%);
}
.hero-inner{
 position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;
 gap:44px;padding:58px 0 62px;align-items:center;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
 letter-spacing:1.6px;color:#9fd9dd;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px;}
.cat-hero h1{font-size:38px;line-height:1.3;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.hero-sub{font-size:15.5px;line-height:1.85;color:#c8e0e6;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-panel{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 border-radius:16px;padding:24px 22px;backdrop-filter:blur(6px);
}
.hero-panel h2{font-size:17px;color:#fff;margin-bottom:6px;}
.panel-desc{font-size:13px;color:#a9cbd4;margin-bottom:16px;}
.check-list{display:flex;flex-direction:column;gap:11px;}
.check-item{
 display:flex;align-items:flex-start;gap:11px;padding:11px 13px;border-radius:11px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
 font-size:13.5px;color:#d9ecf0;line-height:1.6;transition:.2s;
}
.check-item:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);}
.check-item strong{color:#fff;font-weight:800;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:8px;flex:0 0 auto;}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-dark{background:var(--deep);color:#dceef2;}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;
 letter-spacing:1.5px;color:var(--primary);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent);}
.sec-title{font-size:27px;letter-spacing:.3px;margin-bottom:12px;}
.sec-desc{font-size:14.5px;color:var(--ink-2);margin:0;}
.section-dark .sec-title{color:#fff;}
.section-dark .sec-desc{color:#b7d3dc;}

/* ---------- grids & cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#c9e3ea;}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#dbe9ee;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17.5px;line-height:1.45;}
.card-text{font-size:14px;color:var(--ink-2);margin:0;line-height:1.75;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px;}
.icon-badge{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary-dark);margin-bottom:4px;
}
.icon-badge.accent{background:#fdf0dc;color:#ab6a12;}

/* ---------- timeline ---------- */
.timeline{display:grid;gap:16px;}
.tl-item{
 display:grid;grid-template-columns:132px 1fr;gap:24px;align-items:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:20px 24px;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#c9e3ea;}
.tl-badge{
 display:inline-flex;align-items:center;justify-content:center;
 font-size:14px;font-weight:800;letter-spacing:.5px;
 padding:7px 14px;border-radius:9px;color:#fff;
 background:linear-gradient(140deg,#12a0a6,#0b6f8a);
 box-shadow:0 6px 14px rgba(15,127,140,.24);
}
.tl-title{font-size:16.5px;margin-bottom:6px;}
.tl-text{font-size:14px;color:var(--ink-2);margin:0;}

/* ---------- compare table ---------- */
.table-wrap{
 overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);
 box-shadow:var(--shadow);background:var(--surface);-webkit-overflow-scrolling:touch;
}
.compare{min-width:660px;}
.compare th{
 background:var(--deep);color:#e8f5f7;font-size:14px;font-weight:800;
 text-align:left;padding:15px 18px;letter-spacing:.4px;
}
.compare td{
 padding:14px 18px;font-size:14px;color:var(--ink-2);
 border-top:1px solid var(--line);line-height:1.7;
}
.compare tbody tr:nth-child(even){background:#f8fbfc;}
.compare tbody tr:hover{background:var(--primary-soft);}
.compare td:first-child{font-weight:800;color:var(--ink);}
.compare td strong{color:var(--primary-dark);font-weight:800;}

/* ---------- feedback ---------- */
.fb-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 22px 20px;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;gap:14px;
}
.fb-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#c9e3ea;}
.fb-mark{font-size:28px;line-height:1;color:#bfdfe4;font-weight:800;}
.fb-text{font-size:14.5px;color:var(--ink-2);margin:0;}
.fb-user{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:6px;}
.avatar{
 width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
 background:linear-gradient(140deg,#12a0a6,#0b6f8a);color:#fff;font-weight:800;font-size:14px;
 flex:0 0 auto;
}
.fb-name{font-size:14px;font-weight:800;color:var(--ink);line-height:1.3;}
.fb-role{font-size:12.5px;color:var(--ink-3);}

/* ---------- channel grid ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{
 display:flex;align-items:center;gap:15px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#bfe0e4;}
.channel-card .icon-badge{margin-bottom:0;}
.channel-name{font-size:16px;font-weight:800;color:var(--ink);line-height:1.4;}
.channel-desc{font-size:13px;color:var(--ink-3);line-height:1.6;}

/* ---------- news list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#c9e3ea;}
.news-card h3{font-size:16px;line-height:1.5;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--primary);}
.news-card p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.7;}
.news-meta{
 font-size:12.5px;color:var(--ink-3);margin-top:auto;padding-top:8px;
 border-top:1px dashed var(--line);display:flex;gap:10px;flex-wrap:wrap;
}
.empty-note{
 font-size:14px;color:var(--ink-3);background:var(--surface);
 border:1px dashed var(--line);border-radius:var(--radius-sm);padding:22px;text-align:center;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:0 20px;box-shadow:var(--shadow);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#c9e3ea;}
.faq-item summary{
 cursor:pointer;list-style:none;padding:17px 0;font-size:15.5px;font-weight:800;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--primary);line-height:1;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−";}
.faq-item[open] summary{color:var(--primary-dark);}
.faq-body{padding:0 0 18px;font-size:14px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:18px;
 background:linear-gradient(120deg,#062635,#0b4c60 62%,#0f7f8c);
 padding:42px 44px;color:#eaf6f8;
 display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:25px;color:#fff;margin-bottom:10px;}
.cta-band p{font-size:14.5px;color:#bfdbe2;margin:0;max-width:620px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ---------- sticky cta ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 background:rgba(6,38,53,.97);border-top:1px solid rgba(255,255,255,.14);
 color:#dceef2;padding:11px 0;backdrop-filter:blur(8px);
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.sticky-text{font-size:13.5px;color:#c6e0e7;line-height:1.5;}
.sticky-text strong{color:#fff;font-weight:800;}
.sticky-cta .btn{padding:9px 20px;font-size:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#a9c8d3;padding:52px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:34px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.4px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800;}
.footer-col p{font-size:13.5px;line-height:1.85;color:#93b4c1;margin:0;max-width:420px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col ul a{color:#a9c8d3;font-size:13.5px;}
.footer-col ul a:hover{color:var(--accent);}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.5px;color:#7fa0ae;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:32px;padding:48px 0 52px;}
 .cat-hero h1{font-size:32px;}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .cta-band{grid-template-columns:1fr;padding:34px 30px;}
 .cta-band .cta-actions{justify-content:flex-start;}
 .section{padding:52px 0;}
}
@media (max-width:900px){
 .nav-toggle{display:inline-flex;}
 .icon-nav{display:none;}
 .icon-nav.is-open{display:block;}
 .nav-list{flex-direction:column;gap:4px;padding:10px 0 14px;overflow:visible;}
 .nav-item a{width:100%;padding:11px 14px;}
 .header-top{gap:12px;}
 .brand-tag{display:none;}
 .nav-cta{padding:9px 15px;font-size:13px;}
}
@media (max-width:768px){
 .sec-title{font-size:23px;}
 .grid-3,.grid-2,.news-grid,.channel-grid{grid-template-columns:1fr;}
 .tl-item{grid-template-columns:1fr;gap:12px;padding:18px;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
 .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;}
 .sticky-cta .btn{width:100%;}
 body{padding-bottom:132px;}
 .hero-panel{padding:20px 18px;}
}
@media (max-width:520px){
 .cat-hero h1{font-size:26px;line-height:1.35;}
 .hero-sub{font-size:14.5px;}
 .hero-actions .btn{width:100%;}
 .brand-name{font-size:16px;}
 .container{padding:0 16px;}
 .section{padding:44px 0;}
 .cta-band{padding:28px 22px;}
 .cta-band h2{font-size:21px;}
 .card-body{padding:18px;}
 .compare th,.compare td{padding:12px 14px;font-size:13.5px;}
}

/* roulang page: category2 */
:root{
 --deep:#062635;
 --deep-2:#0a3a4e;
 --primary:#0f7f8c;
 --primary-dark:#0a606b;
 --primary-soft:#e2f3f4;
 --accent:#f2a03d;
 --accent-dark:#d5861f;
 --bg:#f4f8fa;
 --surface:#ffffff;
 --ink:#0d2233;
 --ink-2:#4a6272;
 --ink-3:#7f96a4;
 --line:#e0ecf1;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 6px 18px rgba(10,42,58,.07);
 --shadow-lg:0 18px 40px rgba(10,42,58,.14);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;padding:0 0 88px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:.2px;}
p{margin:0 0 12px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(15,127,140,.45);outline-offset:2px;border-radius:6px;}
.ico{width:18px;height:18px;flex:0 0 auto;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;background:#fff;
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(10,42,58,.05);
}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(140deg,#12a0a6,#0b6f8a);
 display:grid;place-items:center;color:#fff;
 box-shadow:0 6px 14px rgba(15,127,140,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.4px;}
.brand-tag{font-size:11px;color:var(--ink-3);letter-spacing:1.4px;font-weight:600;}
.nav-cta{
 display:inline-flex;align-items:center;gap:8px;
 background:linear-gradient(140deg,#f2a03d,#e08b28);color:#fff;
 padding:10px 20px;border-radius:9px;font-size:14px;font-weight:700;
 border:0;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
 box-shadow:0 8px 18px rgba(242,160,61,.3);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,160,61,.38);color:#fff;}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
 background:#fff;color:var(--ink);transition:.2s;
}
.nav-toggle:hover{background:var(--primary-soft);border-color:#bfe0e4;}
.icon-nav{border-top:1px solid var(--line);background:#fbfdfe;}
.nav-list{display:flex;gap:8px;padding:9px 0;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-item a{
 display:flex;align-items:center;gap:9px;padding:8px 15px;border-radius:11px;
 color:var(--ink-2);font-size:14px;font-weight:700;white-space:nowrap;
 border:1px solid transparent;transition:.2s ease;
}
.nav-item a:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:#c9e6e9;}
.nav-item.is-active a{
 background:linear-gradient(140deg,#0f7f8c,#0a6672);color:#fff;
 box-shadow:0 8px 18px rgba(15,127,140,.28);
}
.nav-item.is-active a:hover{color:#fff;}
/* ---------- buttons / tags ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:9px;font-size:15px;font-weight:700;
 border:1px solid transparent;line-height:1.2;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(140deg,#12a0a6,#0c7488);color:#fff;box-shadow:0 10px 22px rgba(15,127,140,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(15,127,140,.4);color:#fff;}
.btn-accent{background:linear-gradient(140deg,#f2a03d,#df8a26);color:#fff;box-shadow:0 10px 22px rgba(242,160,61,.32);}
.btn-accent:hover{transform:translateY(-2px);color:#fff;box-shadow:0 14px 28px rgba(242,160,61,.4);}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#eaf6f8;}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;border-color:#cfe3e9;color:var(--primary-dark);}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);color:var(--primary-dark);}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;background:var(--primary-soft);color:var(--primary-dark);
}
.tag-accent{background:#fdf0dc;color:#ab6a12;}
.tag-line{background:transparent;border:1px solid rgba(255,255,255,.4);color:#dff0f3;}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--deep);color:#eaf6f8;}
.hero-bg{
 position:absolute;inset:0;
 background:url('/assets/images/8ca992fb237c9c96.webp') center/cover no-repeat;
 opacity:.36;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(160deg,rgba(4,30,43,.95) 0%,rgba(7,46,64,.9) 52%,rgba(10,84,100,.68) 100%);
}
.hero-inner{position:relative;z-index:2;padding:62px 0 58px;text-align:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
 letter-spacing:1.6px;color:#9fd9dd;margin-bottom:18px;
}
.eyebrow::before,.eyebrow::after{content:"";width:24px;height:2px;background:var(--accent);border-radius:2px;}
.hero h1{font-size:clamp(26px,4.1vw,40px);line-height:1.3;color:#fff;margin:0 auto 16px;max-width:900px;letter-spacing:.6px;}
.hero-sub{font-size:15.5px;line-height:1.85;color:#c8e0e6;max-width:760px;margin:0 auto;}
.atlas-search{
 display:flex;align-items:center;gap:10px;max-width:640px;margin:28px auto 0;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
 border-radius:12px;padding:8px 8px 8px 16px;backdrop-filter:blur(6px);
}
.atlas-search .ico{color:#9fd9dd;}
.atlas-search input{
 flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
 color:#fff;font-size:14.5px;padding:10px 0;
}
.atlas-search input::placeholder{color:#93b8c3;}
.atlas-search .btn{padding:10px 20px;font-size:14px;flex:0 0 auto;}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:20px;}
.chip{
 display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
 font-size:13px;font-weight:700;color:#dff0f3;background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.22);transition:.2s ease;
}
.chip:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px);}
/* ---------- section ---------- */
.section{padding:64px 0;}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tint{background:#eaf4f7;}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;
 letter-spacing:1.6px;color:var(--primary);margin-bottom:10px;
}
.sec-kicker::before{content:"";width:20px;height:2px;background:var(--accent);border-radius:2px;}
.sec-head h2{font-size:clamp(21px,2.6vw,28px);color:var(--ink);margin-bottom:10px;}
.sec-head p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
/* ---------- stats ---------- */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:28px 24px;margin-top:-40px;position:relative;z-index:5;
}
.stat-item{text-align:center;border-right:1px solid var(--line);padding:0 8px;}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:30px;font-weight:800;color:var(--primary-dark);line-height:1.2;}
.stat-num em{font-style:normal;font-size:15px;font-weight:700;color:var(--ink-2);margin-left:4px;}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:6px;}
/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.info-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:26px 24px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e6;}
.info-card .card-ico{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary-dark);margin-bottom:16px;
}
.info-card h3{font-size:17px;margin-bottom:10px;color:var(--ink);}
.info-card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
/* ---------- atlas grid ---------- */
.atlas-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.atlas-card{
 display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.atlas-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e6;}
.atlas-thumb{width:120px;height:96px;flex:0 0 auto;border-radius:var(--radius-sm);overflow:hidden;background:#dceef2;}
.atlas-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.atlas-card:hover .atlas-thumb img{transform:scale(1.06);}
.atlas-body{flex:1 1 auto;min-width:0;}
.atlas-body h3{font-size:16.5px;margin-bottom:6px;}
.atlas-body p{font-size:13.5px;color:var(--ink-2);line-height:1.75;margin:0 0 10px;}
.atlas-meta{display:flex;flex-wrap:wrap;gap:8px;}
.atlas-meta .tag{font-size:12px;padding:4px 10px;}
.atlas-empty{display:none;padding:26px;border:1px dashed #cfe3e9;border-radius:var(--radius);color:var(--ink-3);text-align:center;background:#fff;}
/* ---------- scene ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scene-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e6;}
.scene-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:#dceef2;}
.scene-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.scene-card:hover figure img{transform:scale(1.05);}
.scene-body{padding:20px 20px 24px;}
.scene-body h3{font-size:16.5px;margin-bottom:8px;}
.scene-body p{font-size:13.5px;color:var(--ink-2);line-height:1.78;margin:0 0 12px;}
.scene-step{
 display:inline-flex;align-items:center;justify-content:center;
 width:24px;height:24px;border-radius:8px;background:var(--accent);
 color:#fff;font-size:12.5px;font-weight:800;margin-right:8px;
}
/* ---------- quote ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e6;}
.quote-mark{font-size:34px;line-height:1;color:#bfe0e6;font-weight:800;}
.quote-card blockquote{margin:6px 0 16px;font-size:14px;color:var(--ink-2);line-height:1.85;}
.quote-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.quote-avatar{
 width:34px;height:34px;border-radius:50%;background:linear-gradient(140deg,#12a0a6,#0b6f8a);
 color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;flex:0 0 auto;
}
.quote-user strong{color:var(--ink);font-size:13.5px;display:block;line-height:1.3;}
/* ---------- table ---------- */
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);}
table.compare{width:100%;border-collapse:collapse;min-width:640px;margin:0;}
table.compare th,table.compare td{padding:15px 18px;font-size:14px;text-align:left;border-bottom:1px solid var(--line);color:var(--ink-2);}
table.compare thead th{background:#eef6f8;color:var(--ink);font-weight:800;font-size:13.5px;letter-spacing:.4px;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:#f7fcfd;}
table.compare td:first-child{font-weight:700;color:var(--ink);}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#bfe0e6;}
.news-card h3{font-size:15.5px;line-height:1.6;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--primary-dark);}
.news-card p{font-size:13.5px;color:var(--ink-2);line-height:1.75;margin:0;}
.news-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;padding-top:6px;font-size:12.5px;color:var(--ink-3);}
.news-empty{padding:30px;border:1px dashed #cfe3e9;border-radius:var(--radius);text-align:center;color:var(--ink-3);background:#fff;}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-list details{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:18px 22px;box-shadow:0 3px 10px rgba(10,42,58,.05);transition:.2s ease;
}
.faq-list details[open]{border-color:#bfe0e6;box-shadow:var(--shadow);}
.faq-list summary{
 cursor:pointer;font-size:15px;font-weight:700;color:var(--ink);list-style:none;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--primary);line-height:1;flex:0 0 auto;
 transition:transform .2s ease;
}
.faq-list details[open] summary::after{content:"−";}
.faq-list p{margin:12px 0 0;font-size:14px;color:var(--ink-2);line-height:1.85;}
/* ---------- guarantee ---------- */
.guarantee{
 background:linear-gradient(140deg,#062635,#0a4e63 60%,#0f7f8c);
 border-radius:18px;padding:44px 40px;color:#eaf6f8;
 display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center;
 box-shadow:0 20px 44px rgba(6,38,53,.26);
}
.guarantee h2{font-size:clamp(20px,2.4vw,26px);color:#fff;margin-bottom:12px;}
.guarantee p{font-size:14.5px;color:#c3dde4;line-height:1.85;margin:0;}
.guarantee-list{display:grid;gap:12px;margin-top:22px;}
.guarantee-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#d9ecf0;}
.guarantee-list .ico{color:var(--accent);margin-top:4px;}
.guarantee-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.guarantee-side{
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
 border-radius:14px;padding:24px;
}
.guarantee-side h3{font-size:15.5px;color:#fff;margin-bottom:12px;}
.guarantee-side ul{display:grid;gap:10px;}
.guarantee-side li{font-size:13.5px;color:#cfe6eb;display:flex;gap:9px;align-items:flex-start;}
.guarantee-side .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto;margin-top:9px;}
/* ---------- fixed cta ---------- */
.fixed-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 background:rgba(6,38,53,.96);border-top:1px solid rgba(255,255,255,.14);
 backdrop-filter:blur(8px);
}
.fixed-cta .inner{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:12px 0;
}
.fixed-cta .txt{font-size:14px;color:#dff0f3;font-weight:700;line-height:1.5;}
.fixed-cta .txt span{display:block;font-size:12.5px;color:#9fc2cd;font-weight:500;}
.fixed-cta .acts{display:flex;gap:10px;flex:0 0 auto;}
.fixed-cta .btn{padding:10px 20px;font-size:14px;}
/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#c3dde4;padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;color:#fff;font-size:17px;font-weight:800;}
.footer-col p{font-size:13.5px;line-height:1.85;color:#a9c6cf;margin:0;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.6px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:13.5px;color:#a9c6cf;transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 padding-top:22px;font-size:12.5px;color:#7fa4b0;
}
/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
 .hero-inner{padding:52px 0 48px;}
 .section{padding:52px 0;}
 .card-grid,.quote-grid,.scene-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
 .atlas-grid{grid-template-columns:1fr;}
 .stat-strip{grid-template-columns:repeat(2,1fr);gap:22px 12px;margin-top:-30px;}
 .stat-item:nth-child(2n){border-right:0;}
 .guarantee{grid-template-columns:1fr;padding:34px 28px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:768px){
 body{padding-bottom:96px;font-size:14.5px;}
 .header-top{min-height:60px;}
 .brand-name{font-size:16px;}
 .brand-tag{font-size:10px;letter-spacing:1px;}
 .nav-cta{display:none;}
 .nav-toggle{display:inline-flex;}
 .icon-nav{display:none;}
 .icon-nav.is-open{display:block;}
 .nav-list{flex-direction:column;gap:6px;padding:12px 0;overflow:visible;}
 .nav-item a{width:100%;}
 .hero-inner{padding:44px 0 42px;}
 .hero-sub{font-size:14.5px;}
 .atlas-search{flex-wrap:wrap;padding:12px 14px;margin-top:22px;}
 .atlas-search input{flex:1 1 100%;padding:6px 0;}
 .atlas-search .btn{width:100%;}
 .hero-chips{gap:8px;}
 .chip{font-size:12px;padding:6px 12px;}
 .section{padding:44px 0;}
 .card-grid,.quote-grid,.scene-grid,.news-grid{grid-template-columns:1fr;}
 .stat-strip{padding:22px 16px;}
 .stat-num{font-size:24px;}
 .atlas-card{flex-direction:column;gap:14px;}
 .atlas-thumb{width:100%;height:150px;}
 .guarantee{padding:28px 20px;border-radius:14px;}
 .fixed-cta .inner{flex-direction:column;align-items:stretch;gap:10px;padding:10px 0;}
 .fixed-cta .txt{font-size:13px;text-align:center;}
 .fixed-cta .acts{justify-content:center;}
 .fixed-cta .btn{flex:1 1 0;padding:10px 12px;font-size:13.5px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
 .container{padding:0 16px;}
 .hero h1{font-size:24px;}
 .sec-head h2{font-size:20px;}
 .info-card,.quote-card,.news-card{padding:20px;}
 .btn{width:100%;}
 .hero-chips .chip{flex:0 1 auto;}
}