/* roulang page: index */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1020;
  --bg-2:#0E1728;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(120,200,255,.16);
  --line-strong:rgba(120,200,255,.28);
  --accent:#35E0C8;
  --accent-2:#7C5CFF;
  --coral:#FFB25E;
  --text:rgba(230,240,255,.92);
  --text-2:rgba(180,198,225,.72);
  --text-3:rgba(150,170,200,.52);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:20px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --shadow-soft:0 4px 18px rgba(0,0,0,.32);
  --glow:0 0 0 1px rgba(53,224,200,.55), 0 0 24px rgba(53,224,200,.28);
  --container:1280px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1100px 560px at 12% -8%, rgba(53,224,200,.075), transparent 62%),
    radial-gradient(900px 520px at 92% 0%, rgba(124,92,255,.10), transparent 60%),
    linear-gradient(rgba(120,200,255,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,200,255,.032) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,fixed,fixed;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:16px;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;height:64px;
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:border-color .24s ease, box-shadow .24s ease, background .24s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 8px 32px rgba(0,0,0,.45);
  background:rgba(6,10,20,.88);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(53,224,200,.22),rgba(124,92,255,.30));
  border:1px solid var(--line-strong);
  color:var(--accent);font-size:14px;
  box-shadow:0 0 18px rgba(53,224,200,.18),inset 0 1px 0 rgba(255,255,255,.12);
}
.brand-text{font-weight:700;font-size:17px;letter-spacing:.3px;color:#fff;white-space:nowrap;}
.brand-text span{color:var(--accent);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;}
.nav-link{padding:8px 13px;border-radius:10px;font-size:14.5px;color:var(--text-2);white-space:nowrap;}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.is-active{
  color:var(--accent);
  background:rgba(53,224,200,.10);
  box-shadow:inset 0 0 0 1px rgba(53,224,200,.22);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;width:216px;
  padding:0 12px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--text-3);font-size:13.5px;
  transition:border-color .22s ease, box-shadow .22s ease;
}
.nav-search i{font-size:13px;}
.nav-search input{flex:1;min-width:0;background:none;border:0;outline:0;font-size:13.5px;color:var(--text);}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:rgba(53,224,200,.5);box-shadow:0 0 0 3px rgba(53,224,200,.12);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:11px;place-items:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text);font-size:15px;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .24s ease, background .24s ease, border-color .24s ease, color .24s ease;
}
.btn i{font-size:14px;}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:10px;}
.btn-primary{
  background:linear-gradient(180deg,#4DEFD8,#25C6B2);
  color:#04211D;
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.8),0 0 34px rgba(53,224,200,.45);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(53,224,200,.6),0 0 16px rgba(53,224,200,.24);}
.btn-glass{
  background:var(--glass);border-color:var(--line-strong);color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-glass:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.5);color:#fff;box-shadow:0 0 24px rgba(53,224,200,.18);}
.btn-glass:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-2);}
.btn-ghost:hover{color:var(--accent);border-color:rgba(53,224,200,.45);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ---------- shared bits ---------- */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--accent);
  background:rgba(53,224,200,.10);
  border:1px solid rgba(53,224,200,.28);
  box-shadow:0 0 18px rgba(53,224,200,.12);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;letter-spacing:.3px;
  background:rgba(124,92,255,.16);
  border:1px solid rgba(124,92,255,.34);
  color:#C3B6FF;
}
.badge-coral{background:rgba(255,178,94,.14);border-color:rgba(255,178,94,.42);color:var(--coral);}
.badge-teal{background:rgba(53,224,200,.12);border-color:rgba(53,224,200,.34);color:var(--accent);}

.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(26px,3vw,34px);line-height:1.2;font-weight:700;color:#fff;
  letter-spacing:.2px;
}
.section-head h2 em{font-style:normal;color:var(--accent);}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--text-2);line-height:1.85;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--text-3);margin-bottom:12px;font-family:var(--mono);
}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0;}

/* ---------- hero ---------- */
.hero{position:relative;padding:88px 0 76px;overflow:hidden;isolation:isolate;}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(6,10,20,.62) 0%,rgba(6,10,20,.88) 58%,var(--bg-0) 100%);
}
.hero-inner{display:grid;grid-template-columns:1.35fr .88fr;gap:52px;align-items:center;}
.hero h1{
  margin-top:20px;
  font-size:clamp(32px,4.6vw,52px);
  line-height:1.15;font-weight:800;color:#fff;letter-spacing:.4px;
}
.hero h1 em{font-style:normal;color:var(--accent);text-shadow:0 0 26px rgba(53,224,200,.35);}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);}
.hero-stats li{min-width:112px;}
.hero-stats strong{
  display:block;font-family:var(--mono);font-size:24px;font-weight:700;color:#fff;letter-spacing:.5px;
}
.hero-stats span{display:block;font-size:13px;color:var(--text-3);margin-top:2px;}
.hero-card{padding:26px 24px;}
.hero-card h2{font-size:16px;font-weight:700;color:#fff;letter-spacing:.3px;}
.hero-card .hero-card-note{font-size:13px;color:var(--text-3);margin-top:6px;}
.hero-card ul{margin-top:20px;display:grid;gap:12px;}
.hero-card li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(120,200,255,.10);
  font-size:14px;color:var(--text-2);
}
.hero-card li b{font-family:var(--mono);font-size:15px;color:var(--accent);font-weight:700;}
.hero-card .hero-card-cta{margin-top:20px;width:100%;}

/* ---------- compare table ---------- */
.table-wrap{
  overflow-x:auto;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(10,16,32,.66);
  box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
.table-wrap::-webkit-scrollbar{height:8px;}
.table-wrap::-webkit-scrollbar-track{background:rgba(255,255,255,.03);}
.table-wrap::-webkit-scrollbar-thumb{background:rgba(120,200,255,.22);border-radius:8px;}
.tier-table{min-width:820px;font-size:14.5px;}
.tier-table thead th{
  position:sticky;top:0;z-index:3;
  padding:18px 18px;text-align:left;
  font-size:14.5px;font-weight:700;color:var(--text-2);
  background:rgba(12,20,38,.96);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.tier-table thead th .tag-coral{
  display:inline-flex;align-items:center;margin-left:8px;
  height:20px;padding:0 8px;border-radius:999px;
  font-size:11px;font-weight:600;
  background:rgba(255,178,94,.14);border:1px solid rgba(255,178,94,.5);color:var(--coral);
}
.tier-table thead th.is-featured{
  color:#fff;
  background:linear-gradient(180deg,rgba(255,178,94,.14),rgba(12,20,38,.96));
  box-shadow:inset 0 -1px 0 rgba(255,178,94,.34);
}
.tier-table tbody td{
  padding:16px 18px;color:var(--text-2);
  border-bottom:1px solid rgba(120,200,255,.08);
  vertical-align:middle;
}
.tier-table tbody tr:nth-child(even) td{background:rgba(255,255,255,.018);}
.tier-table tbody tr:hover td{background:rgba(53,224,200,.045);color:var(--text);}
.tier-table tbody td:first-child,
.tier-table thead th:first-child{
  position:sticky;left:0;z-index:4;
  background:rgba(11,18,34,.98);
  color:#fff;font-weight:600;
  box-shadow:1px 0 0 rgba(120,200,255,.14);
}
.tier-table tbody td.is-featured{color:var(--text);box-shadow:inset 1px 0 0 rgba(255,178,94,.28),inset -1px 0 0 rgba(255,178,94,.28);}
.tier-table .yes{color:var(--accent);font-weight:600;}
.tier-table .no{color:var(--text-3);}

/* ---------- tier cards ---------- */
.tier-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tier-card{
  display:flex;flex-direction:column;
  padding:26px 24px 24px;border-radius:var(--radius-lg);
  transition:transform .22s ease, border-color .22s ease, box-shadow .24s ease;
}
.tier-card:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.40);box-shadow:0 12px 40px rgba(0,0,0,.5),0 0 26px rgba(53,224,200,.12);}
.tier-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.tier-num{
  font-family:var(--mono);font-size:13px;color:var(--text-3);letter-spacing:.12em;
}
.tier-card h3{margin-top:14px;font-size:21px;font-weight:700;color:#fff;}
.tier-card .tier-desc{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75;}
.tier-card ul{margin:20px 0 24px;display:grid;gap:10px;}
.tier-card li{position:relative;padding-left:22px;font-size:14px;color:var(--text-2);}
.tier-card li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(53,224,200,.6);
}
.tier-card .tier-price{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  display:flex;align-items:baseline;gap:8px;
}
.tier-card .tier-price strong{font-family:var(--mono);font-size:22px;color:#fff;}
.tier-card .tier-price span{font-size:13px;color:var(--text-3);}
.tier-card .btn{margin-top:18px;width:100%;}
.tier-card.is-featured{border-color:rgba(255,178,94,.38);box-shadow:0 8px 32px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.10),0 0 26px rgba(255,178,94,.10);}

/* ---------- gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.gallery-item{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:rgba(10,16,32,.7);
  transition:transform .22s ease, border-color .22s ease, box-shadow .24s ease;
}
.gallery-item:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.42);box-shadow:0 14px 42px rgba(0,0,0,.5),0 0 24px rgba(53,224,200,.14);}
.gallery-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.gallery-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.gallery-item:hover .gallery-thumb img{transform:scale(1.04);}
.gallery-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,0) 40%,rgba(6,10,20,.82) 100%);
}
.gallery-lock{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:rgba(6,10,20,.62);backdrop-filter:blur(3px);
  color:var(--text-2);font-size:13px;
}
.gallery-lock i{font-size:20px;color:var(--coral);}
.gallery-badge{position:absolute;top:12px;left:12px;z-index:2;}
.gallery-body{padding:16px 18px 20px;}
.gallery-body h3{font-size:16px;font-weight:600;color:#fff;}
.gallery-body p{margin-top:6px;font-size:13.5px;color:var(--text-3);line-height:1.7;}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.post-card{
  border-radius:var(--radius);overflow:hidden;
  transition:transform .22s ease, border-color .22s ease, box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.44);box-shadow:0 14px 40px rgba(0,0,0,.5),0 0 22px rgba(53,224,200,.12);}
.post-link{display:block;padding:22px 24px 24px;}
.post-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--text-3);}
.post-meta time{font-family:var(--mono);letter-spacing:.4px;}
.post-title{
  margin-top:12px;font-size:17.5px;line-height:1.5;font-weight:600;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover .post-title{color:var(--accent);}
.post-excerpt{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-more{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--accent);}
.post-more i{font-size:12px;transition:transform .2s ease;}
.post-card:hover .post-more i{transform:translateX(4px);}

.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px dashed var(--line-strong);
  text-align:center;
}
.empty-state i{font-size:26px;color:var(--text-3);}
.empty-state p{font-size:14.5px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  border-radius:var(--radius);overflow:hidden;
  transition:border-color .22s ease, box-shadow .24s ease;
}
.faq-item.is-open{border-color:rgba(53,224,200,.40);box-shadow:0 10px 34px rgba(0,0,0,.45),0 0 22px rgba(53,224,200,.10);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--accent);}
.faq-q i{flex-shrink:0;font-size:14px;color:var(--accent);transition:transform .26s ease;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease, padding .32s ease;
  padding:0 24px;
}
.faq-item.is-open .faq-a{max-height:340px;padding:0 24px 22px;}
.faq-a p{font-size:14.5px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--line);padding-top:16px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:56px 48px;
  background:
    radial-gradient(600px 260px at 12% 0%, rgba(53,224,200,.16), transparent 60%),
    radial-gradient(520px 260px at 88% 100%, rgba(124,92,255,.18), transparent 62%),
    rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter:blur(14px);
}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:#fff;line-height:1.25;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,32,.6),rgba(6,10,20,.95));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:330px;}
.footer-col h3{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:10px;}
.footer-contact i{color:var(--accent);font-size:13px;width:16px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom span{font-family:var(--mono);letter-spacing:.3px;}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-search{width:160px;}
  .nav-link{padding:8px 10px;font-size:14px;}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-card{max-width:560px;}
  .tier-cards{grid-template-columns:1fr 1fr;}
  .gallery{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .nav-search{display:none;}
  .nav-toggle{display:grid;}
  .nav-links{
    position:fixed;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:4px;
    margin:0;padding:16px 18px 24px;
    background:rgba(8,13,26,.97);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(0,0,0,.55);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:transform .24s ease, opacity .24s ease, visibility .24s ease;
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-link{padding:12px 14px;font-size:15px;border-radius:12px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .hero{padding:64px 0 56px;}
  .hero-stats{gap:22px;}
  .hero-stats li{min-width:calc(50% - 11px);}
  .tier-cards{grid-template-columns:1fr;}
  .gallery{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 24px;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-item.is-open .faq-a{padding:0 18px 20px;}
  .faq-a{padding:0 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .brand-text{font-size:15.5px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .hero-cta{flex-direction:column;}
  .cta-actions{width:100%;flex-direction:column;}
  .hero-card{padding:20px 18px;}
  .hero h1{font-size:clamp(26px,7.6vw,34px);}
  .post-link{padding:18px 18px 20px;}
}

/* roulang page: article */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1020;
  --bg-2:#0E1728;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(120,200,255,.16);
  --line-soft:rgba(120,200,255,.09);
  --hair:rgba(255,255,255,.10);
  --brand:#35E0C8;
  --brand-soft:rgba(53,224,200,.14);
  --violet:#7C5CFF;
  --violet-soft:rgba(124,92,255,.16);
  --coral:#FFB25E;
  --text:rgba(230,240,255,.92);
  --text-2:rgba(180,198,225,.72);
  --text-3:rgba(150,170,200,.52);
  --r-sm:10px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --shadow-card:0 8px 32px rgba(0,0,0,.45), inset 0 1px 0 var(--hair);
  --shadow-btn:0 0 0 1px rgba(53,224,200,.55), 0 0 24px rgba(53,224,200,.28);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    linear-gradient(rgba(120,200,255,.035) 1px,transparent 1px) 0 0/64px 64px,
    linear-gradient(90deg,rgba(120,200,255,.035) 1px,transparent 1px) 0 0/64px 64px,
    radial-gradient(1200px 600px at 15% -10%,rgba(53,224,200,.10),transparent 60%),
    radial-gradient(900px 520px at 100% 0%,rgba(124,92,255,.12),transparent 62%),
    var(--bg-0);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  background:rgba(6,10,20,.72);
  border-bottom:1px solid var(--line-soft);
}
.nav-wrap{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(53,224,200,.22),rgba(124,92,255,.24));
  border:1px solid var(--line);color:var(--brand);font-size:15px;
  box-shadow:inset 0 1px 0 var(--hair);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.3px}
.brand-text span{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  padding:8px 14px;border-radius:999px;font-size:15px;color:var(--text-2);
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:var(--glass)}
.nav-link.is-active{color:#04121a;background:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;
  border-radius:999px;background:var(--glass);border:1px solid var(--line);
  color:var(--text-3);transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:rgba(53,224,200,.6);box-shadow:0 0 0 3px rgba(53,224,200,.14)}
.nav-search input{width:150px;border:0;background:transparent;outline:none;font-size:13px}
.nav-search input::placeholder{color:var(--text-3)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);border:1px solid transparent;cursor:pointer;
  padding:12px 22px;font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s,box-shadow .2s,background .2s,border-color .2s,color .2s;
}
.btn-sm{padding:10px 16px;font-size:13.5px;border-radius:10px}
.btn-primary{background:var(--brand);color:#04121a;box-shadow:var(--shadow-btn)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.7),0 0 32px rgba(53,224,200,.45)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.5);background:var(--glass-strong)}
.btn-ghost:active{transform:translateY(1px)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;background:var(--glass);
  border:1px solid var(--line);color:var(--text);cursor:pointer;
}

/* ============ 面包屑 ============ */
.crumbs{padding:26px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-3)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(150,170,200,.34)}
.crumbs .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-head{
  position:relative;margin:20px 0 0;padding:46px 0 40px;overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.article-head::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(90deg,rgba(6,10,20,.96) 0%,rgba(6,10,20,.86) 46%,rgba(6,10,20,.62) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.article-head .inner{max-width:900px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);border:1px solid rgba(53,224,200,.32);
  color:var(--brand);font-size:12.5px;font-weight:600;letter-spacing:.4px;
}
.article-head h1{
  margin:18px 0 16px;font-size:clamp(30px,4.2vw,46px);line-height:1.18;font-weight:800;
  letter-spacing:-.5px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--text-2);font-size:13.5px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand);font-size:12.5px}

/* ============ 布局 ============ */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;
  padding:56px 0 24px;align-items:start;
}
.article-body{max-width:800px;font-size:16.5px;color:var(--text)}
.article-body > * + *{margin-top:20px}
.article-body p{color:rgba(214,228,248,.88)}
.article-body h2{
  position:relative;margin-top:44px;padding-left:16px;
  font-size:clamp(21px,2.4vw,26px);line-height:1.35;font-weight:700;color:#fff;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:3px;height:1.05em;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),rgba(124,92,255,.9));
}
.article-body h3{margin-top:32px;font-size:19px;font-weight:700;color:#fff}
.article-body a{color:var(--brand);border-bottom:1px dashed rgba(53,224,200,.42)}
.article-body a:hover{border-bottom-style:solid}
.article-body ul,.article-body ol{padding-left:0;display:grid;gap:10px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;color:rgba(214,228,248,.86);
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(53,224,200,.6);
}
.article-body ol{counter-reset:ol}
.article-body ol li{counter-increment:ol}
.article-body ol li::before{
  content:counter(ol);position:absolute;left:0;top:.18em;
  display:grid;place-items:center;width:18px;height:18px;border-radius:6px;
  background:var(--violet-soft);border:1px solid rgba(124,92,255,.4);
  color:#C9BDFF;font-size:11px;font-family:var(--mono);line-height:1;
}
.article-body blockquote{
  margin:28px 0;padding:22px 24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);border-left:3px solid var(--brand);
  color:var(--text-2);box-shadow:var(--shadow-card);
}
.article-body img{border-radius:var(--r-lg);border:1px solid var(--line);margin:26px 0}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:36px 0}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;overflow:hidden;border-radius:var(--r-md)}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line-soft);text-align:left}
.article-body th{background:var(--glass-strong);color:#fff;font-weight:600}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.025)}
.article-body pre{
  overflow-x:auto;padding:18px 20px;border-radius:var(--r-md);
  background:rgba(3,7,15,.82);border:1px solid var(--line);
  font-family:var(--mono);font-size:13.5px;color:#BFE9E1;
}
.article-body code{font-family:var(--mono);font-size:.92em;color:#9FF0E2}

.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line-soft)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);font-size:13px;color:var(--text-2);
  transition:color .2s,border-color .2s,transform .2s;
}
.tag:hover{color:var(--brand);border-color:rgba(53,224,200,.5);transform:translateY(-2px)}

/* 空态 */
.empty-state{
  padding:52px 28px;border-radius:var(--r-xl);text-align:center;
  background:var(--glass);border:1px dashed var(--line);box-shadow:var(--shadow-card);
}
.empty-state i{font-size:28px;color:var(--brand)}
.empty-state h2{margin:16px 0 8px;font-size:22px;color:#fff}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ============ 侧栏 ============ */
.side{display:grid;gap:20px;position:sticky;top:88px}
.side-card{
  padding:22px;border-radius:var(--r-xl);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-card);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.side-card h3{font-size:15px;color:#fff;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-card h3 i{color:var(--brand)}
.side-list{display:grid;gap:12px}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);
  padding:10px 12px;border-radius:var(--r-md);border:1px solid transparent;transition:all .2s;
}
.side-list a:hover{color:var(--text);background:rgba(255,255,255,.045);border-color:var(--line);transform:translateY(-2px)}
.side-list .idx{
  font-family:var(--mono);font-size:12px;color:var(--brand);
  border:1px solid rgba(53,224,200,.34);border-radius:6px;padding:1px 7px;flex-shrink:0;margin-top:3px;
}
.side-cta{
  padding:24px;border-radius:var(--r-xl);
  background:linear-gradient(150deg,rgba(53,224,200,.14),rgba(124,92,255,.16));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.side-cta p{font-size:13.5px;color:var(--text-2);margin:10px 0 18px}
.side-cta .btn{width:100%}

/* ============ 相关推荐 ============ */
.section{padding:72px 0}
.section-head{max-width:720px;margin-bottom:34px}
.section-head .kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.25;font-weight:700;color:#fff}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-xl);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .22s,border-color .22s,box-shadow .22s;
}
.post-card:hover{transform:translateY(-3px);border-color:rgba(53,224,200,.46);box-shadow:0 14px 40px rgba(0,0,0,.5),0 0 22px rgba(53,224,200,.14)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-thumb .badge{
  position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:999px;font-size:12px;
  background:rgba(6,10,20,.78);border:1px solid var(--line);color:var(--brand);backdrop-filter:blur(6px);
}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.45;font-weight:700;color:#fff}
.post-body p{font-size:14px;color:var(--text-2);flex:1}
.post-link{color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:7px}
.post-card:hover .post-link{gap:11px}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:56px 48px;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  background-image:linear-gradient(110deg,rgba(6,10,20,.94),rgba(6,10,20,.78)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(24px,3vw,32px);color:#fff;line-height:1.25;max-width:640px}
.cta-band p{margin:14px 0 28px;color:var(--text-2);max-width:620px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{margin-top:64px;border-top:1px solid var(--line-soft);background:rgba(6,10,20,.7);padding:62px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);max-width:330px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-contact span{font-size:14px;color:var(--text-2);transition:color .2s}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.footer-contact i{color:var(--brand);width:16px;text-align:center}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .article-shell{grid-template-columns:minmax(0,1fr);gap:40px}
  .side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .side .side-cta{grid-column:1/-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1024px){
  .nav-search{display:none}
  .nav-links{margin-left:4px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 20px;background:rgba(8,13,25,.97);border-bottom:1px solid var(--line);
    backdrop-filter:blur(18px);transform:translateY(-140%);transition:transform .3s ease;
  }
  .nav-links.is-open{transform:translateY(0)}
  .nav-link{padding:12px 14px;border-radius:10px}
  .nav-toggle{display:grid;place-items:center}
  .btn-sm{padding:10px 14px}
  .nav-actions .btn-ghost{display:none}
  .article-head{padding:34px 0 30px}
  .article-shell{padding:36px 0 12px}
  .section{padding:52px 0}
  .grid-3{grid-template-columns:1fr}
  .side{grid-template-columns:1fr}
  .cta-band{padding:38px 24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .crumbs .current{max-width:200px}
}
@media (max-width:520px){
  body{font-size:15px}
  .brand-text{font-size:17px}
  .article-body{font-size:15.5px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .btn{padding:12px 18px;font-size:14px}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1020;
  --bg-2:#0E1728;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.09);
  --border:rgba(120,200,255,.16);
  --border-soft:rgba(120,200,255,.10);
  --hi:rgba(255,255,255,.10);
  --accent:#35E0C8;
  --accent-2:#7C5CFF;
  --warn:#FFB25E;
  --text:rgba(230,240,255,.92);
  --text-2:rgba(180,198,225,.72);
  --text-3:rgba(150,170,200,.52);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,200,.55),0 0 24px rgba(53,224,200,.28);
  --container:1280px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-0);
  -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,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.05) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),rgba(0,0,0,0) 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),rgba(0,0,0,0) 72%);
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.site-header,.site-footer,main{position:relative;z-index:1}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  height:64px;
  display:flex;align-items:center;
  background:rgba(8,13,26,.72);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-soft);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(6,10,20,.92);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.nav-wrap{display:flex;align-items:center;gap:28px;flex:1}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(53,224,200,.24),rgba(124,92,255,.26));
  border:1px solid var(--border);
  box-shadow:inset 0 1px 0 var(--hi);
  color:var(--accent);font-size:15px;
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.4px;color:#fff}
.brand-text span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text-2);
  transition:color .22s ease,background .22s ease,transform .22s ease;
}
.nav-link:hover{color:#fff;background:var(--glass);transform:translateY(-2px)}
.nav-link.is-active{color:#06121A;background:linear-gradient(120deg,var(--accent),#6FF0DC);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:999px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{
  width:150px;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:rgba(53,224,200,.6);box-shadow:0 0 0 3px rgba(53,224,200,.14)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:var(--glass);
  color:var(--text);font-size:16px;
}
.nav-toggle:hover{color:#fff;border-color:rgba(53,224,200,.5)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:linear-gradient(120deg,var(--accent),#5FE9D4);color:#04161B;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.7),0 0 34px rgba(53,224,200,.42)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:var(--glass);color:var(--text);
  border-color:var(--border);
  box-shadow:inset 0 1px 0 var(--hi);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.55);color:#fff;box-shadow:0 0 22px rgba(53,224,200,.18)}
.btn-ghost:active{transform:translateY(1px)}
.btn-violet{background:linear-gradient(120deg,var(--accent-2),#9B84FF);color:#0B0620;box-shadow:0 0 0 1px rgba(124,92,255,.5),0 0 22px rgba(124,92,255,.28)}
.btn-violet:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(124,92,255,.8),0 0 32px rgba(124,92,255,.4)}

/* ---------- badges / glass ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.3px;
  border:1px solid var(--border);
  background:var(--glass);color:var(--text-2);
}
.badge-cyan{color:#8DF6E6;border-color:rgba(53,224,200,.45);background:rgba(53,224,200,.10)}
.badge-violet{color:#C7B8FF;border-color:rgba(124,92,255,.45);background:rgba(124,92,255,.12)}
.badge-warn{color:#FFD3A3;border-color:rgba(255,178,94,.5);background:rgba(255,178,94,.12)}
.badge-mute{color:var(--text-3)}
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}

/* ---------- hero ---------- */
.hero{padding:76px 0 72px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;top:-180px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(53,224,200,.16),transparent 68%);
  pointer-events:none;z-index:0;
}
.hero-grid{
  display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center;
  position:relative;z-index:1;
}
.hero-copy h1{font-size:clamp(34px,5vw,52px);line-height:1.15;margin:18px 0 16px}
.hero-copy h1 em{font-style:normal;color:var(--accent)}
.hero-sub{font-size:clamp(17px,2vw,20px);color:var(--text);line-height:1.6;font-weight:500}
.hero-note{margin-top:14px;font-size:15px;color:var(--text-2);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:26px;border-top:1px solid var(--border-soft)}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-family:var(--mono);font-size:26px;color:var(--accent);line-height:1.2}
.hero-stats span{font-size:13px;color:var(--text-3)}
.hero-visual{position:relative}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:0;filter:saturate(1.05)}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.15),rgba(6,10,20,.82));
}
.hero-panel{
  position:absolute;left:-18px;bottom:-26px;width:min(300px,84%);
  padding:20px;
}
.panel-label{font-size:12px;letter-spacing:2px;color:var(--warn);text-transform:uppercase}
.hero-panel h2{font-size:26px;margin:6px 0 10px}
.hero-panel ul{display:grid;gap:8px}
.hero-panel li{display:flex;gap:8px;font-size:13.5px;color:var(--text-2)}
.hero-panel li i{color:var(--accent);margin-top:6px;font-size:11px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:3px;
  color:var(--accent);font-family:var(--mono);margin-bottom:12px;
}
.section-head h2{font-size:clamp(26px,3.4vw,36px);line-height:1.2;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:15.5px}

/* ---------- tier cards ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.tier-card{
  position:relative;padding:26px;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tier-card:hover{transform:translateY(-2px);border-color:rgba(53,224,200,.45);box-shadow:0 14px 40px rgba(0,0,0,.5),0 0 22px rgba(53,224,200,.14)}
.tier-card.is-reco{border-color:rgba(255,178,94,.55);box-shadow:0 8px 32px rgba(0,0,0,.5),0 0 26px rgba(255,178,94,.14)}
.tier-index{
  position:absolute;top:22px;right:24px;
  font-family:var(--mono);font-size:34px;font-weight:700;
  color:rgba(120,200,255,.13);line-height:1;
}
.tier-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.tier-top h3{font-size:22px}
.tier-price{font-size:13.5px;color:var(--text-3);margin-bottom:18px}
.tier-list{display:grid;gap:11px;margin-bottom:24px;flex:1}
.tier-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.tier-list i{color:var(--accent);font-size:12px;margin-top:7px;flex-shrink:0}

/* ---------- compare table ---------- */
.table-wrap{
  overflow-x:auto;border-radius:var(--r-lg);
  border:1px solid var(--border);background:rgba(255,255,255,.04);
  box-shadow:var(--shadow);-webkit-overflow-scrolling:touch;
}
table.compare{width:100%;min-width:820px;border-collapse:collapse;font-size:14.5px}
table.compare th,table.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--border-soft);white-space:nowrap}
table.compare thead th{
  position:sticky;top:0;z-index:3;
  background:#0B1526;font-size:15px;font-weight:700;color:#fff;
  border-bottom:1px solid var(--border);
}
table.compare thead th.reco-col{color:var(--warn)}
table.compare tbody th{
  position:sticky;left:0;z-index:2;
  background:#0A1322;color:var(--text-2);font-weight:600;
}
table.compare tbody td.cell-reco{background:rgba(255,178,94,.05);color:#FFD9AF}
table.compare tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
table.compare tbody tr:nth-child(even) td.cell-reco{background:rgba(255,178,94,.07)}
table.compare i.ok{color:var(--accent);margin-right:6px}
table.compare i.no{color:var(--text-3);margin-right:6px}
.table-hint{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ---------- scene rows ---------- */
.scene-banner{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow);margin-bottom:32px;
  aspect-ratio:21/7;
}
.scene-banner img{width:100%;height:100%;object-fit:cover;border-radius:0}
.scene-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,10,20,.9),rgba(6,10,20,.25))}
.scene-banner figcaption{
  position:absolute;left:30px;bottom:26px;right:30px;z-index:2;
  font-size:15px;color:var(--text-2);max-width:520px;
}
.scene-list{display:grid;gap:16px}
.scene-row{
  display:grid;grid-template-columns:64px 1fr auto;gap:22px;align-items:center;
  padding:22px 26px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--border);
  box-shadow:inset 0 1px 0 var(--hi);
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.scene-row:hover{border-color:rgba(53,224,200,.45);transform:translateY(-2px);background:var(--glass-2)}
.scene-num{
  font-family:var(--mono);font-size:18px;font-weight:700;color:var(--accent-2);
  width:64px;height:64px;border-radius:var(--r-md);display:grid;place-items:center;
  background:rgba(124,92,255,.12);border:1px solid rgba(124,92,255,.35);
}
.scene-body h3{font-size:18px;margin-bottom:6px}
.scene-body p{font-size:14.5px;color:var(--text-2)}
.scene-tag{font-size:12px;color:var(--text-3);white-space:nowrap}

/* ---------- proof ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.proof-card{padding:24px;display:flex;flex-direction:column;gap:14px}
.proof-card p{font-size:14.5px;color:var(--text-2)}
.proof-user{display:flex;align-items:center;gap:12px}
.proof-avatar{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(53,224,200,.28),rgba(124,92,255,.3));
  border:1px solid var(--border);font-weight:700;color:#fff;font-size:15px;
}
.proof-user span{font-size:13px;color:var(--text-3);display:block}
.proof-user strong{font-size:14.5px;color:var(--text)}
.proof-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}
.metric{padding:20px 22px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--border-soft)}
.metric strong{display:block;font-family:var(--mono);font-size:28px;color:var(--accent);line-height:1.2}
.metric span{font-size:13px;color:var(--text-3)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--border);
  background:var(--glass);overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:rgba(53,224,200,.45);background:var(--glass-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;font-size:16.5px;font-weight:600;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  color:var(--accent);font-size:14px;transition:transform .28s ease;flex-shrink:0;
}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--text-2);max-width:74ch}

/* ---------- cta ---------- */
.cta-box{
  padding:clamp(30px,5vw,56px);
  border-radius:var(--r-lg);
  background:linear-gradient(130deg,rgba(53,224,200,.12),rgba(124,92,255,.14));
  border:1px solid var(--border);
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
  display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;
}
.cta-box h2{font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.cta-box p{color:var(--text-2);font-size:15.5px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{display:grid;gap:14px}
.cta-side div{
  padding:16px 18px;border-radius:var(--r-sm);
  background:rgba(6,10,20,.45);border:1px solid var(--border-soft);
  font-size:14px;color:var(--text-2);
}
.cta-side i{color:var(--accent);margin-right:8px}

/* ---------- footer ---------- */
.site-footer{
  margin-top:40px;padding:64px 0 28px;
  background:linear-gradient(180deg,rgba(10,16,32,.4),rgba(6,10,20,.95));
  border-top:1px solid var(--border-soft);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{margin-top:18px;font-size:14px;color:var(--text-3);max-width:34ch}
.footer-col h3{font-size:15px;margin-bottom:16px;color:#fff}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2);transition:color .22s ease}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.footer-contact i{color:var(--accent);font-size:13px;width:16px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .hero-grid{gap:36px}
  .tier-grid{gap:20px}
}
@media (max-width:1024px){
  .nav-search{display:none}
  .hero{padding:56px 0}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .hero-panel{position:static;width:100%;margin-top:20px}
  .hero-media{aspect-ratio:16/9}
  .tier-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr}
  .proof-metrics{grid-template-columns:repeat(2,1fr)}
  .cta-box{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-toggle{display:grid;place-items:center}
  .nav-links{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 24px 20px;
    background:rgba(8,13,26,.97);
    border-bottom:1px solid var(--border);
    box-shadow:0 18px 40px rgba(0,0,0,.5);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15.5px}
  .nav-search{display:none}
  .section{padding:64px 0}
  .scene-row{grid-template-columns:52px 1fr;gap:16px;padding:20px}
  .scene-num{width:52px;height:52px;font-size:16px}
  .scene-tag{grid-column:2;margin-top:6px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:20px}
  .hero-stats strong{font-size:22px}
  .proof-metrics{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 18px}
  .table-hint{font-size:12.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1020;
  --bg-2:#0E1728;
  --glass:rgba(255,255,255,.06);
  --glass-2:rgba(255,255,255,.09);
  --stroke:rgba(120,200,255,.16);
  --stroke-soft:rgba(120,200,255,.10);
  --accent:#35E0C8;
  --accent-2:#7C5CFF;
  --warn:#FFB25E;
  --text:rgba(230,240,255,.92);
  --text-2:rgba(180,198,225,.72);
  --text-3:rgba(150,170,200,.52);
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --shadow-sm:0 4px 18px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(53,224,200,.55),0 0 24px rgba(53,224,200,.28);
  --max:1280px;
}

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

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

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 12% -6%,rgba(53,224,200,.10),transparent 62%),
    radial-gradient(760px 460px at 88% 4%,rgba(124,92,255,.12),transparent 60%),
    linear-gradient(rgba(120,200,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.045) 1px,transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}

img{max-width:100%;display:block;height:auto;border-radius:16px;}

a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease;}
a:hover{color:var(--accent);}

h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(34px,5vw,52px);line-height:1.15;}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:clamp(19px,2.2vw,23px);line-height:1.35;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}

button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

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

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(6,10,20,.72);
  border-bottom:1px solid var(--stroke-soft);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  font-size:15px;color:#04121A;
  background:linear-gradient(140deg,var(--accent),#1FA9C9);
  box-shadow:0 0 18px rgba(53,224,200,.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.02em;color:#fff;}
.brand-text span{
  background:linear-gradient(90deg,var(--accent),#69A9FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  border:1px solid transparent;
  transition:all .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:var(--glass);border-color:var(--stroke);transform:translateY(-1px);}
.nav-link.is-active{
  color:#08161C;
  font-weight:700;
  background:linear-gradient(135deg,var(--accent),#3FC7E8);
  box-shadow:0 0 18px rgba(53,224,200,.30);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--stroke);
  color:var(--text-3);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:rgba(53,224,200,.6);box-shadow:0 0 0 3px rgba(53,224,200,.14);}
.nav-search i{font-size:13px;}
.nav-search input{
  width:150px;border:none;background:transparent;outline:none;
  font-size:13.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:12px;
  background:var(--glass);border:1px solid var(--stroke);
  color:var(--text);font-size:16px;
  place-items:center;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:11px;}
.btn-primary{
  color:#04161B;
  background:linear-gradient(135deg,var(--accent),#39C8E6);
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.7),0 0 32px rgba(53,224,200,.42);color:#04161B;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--text);
  background:var(--glass);
  border:1px solid var(--stroke);
}
.btn-ghost:hover{
  color:#fff;transform:translateY(-2px);
  border-color:rgba(53,224,200,.55);
  box-shadow:0 0 20px rgba(53,224,200,.20);
}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:76px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--stroke-soft);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.20;
  filter:saturate(1.05);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.62) 0%,rgba(6,10,20,.90) 58%,var(--bg-0) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:44px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.08em;
  color:var(--accent);
  background:rgba(53,224,200,.10);
  border:1px solid rgba(53,224,200,.30);
  margin-bottom:20px;
}
.hero h1{margin-bottom:16px;}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,var(--accent),#6FA8FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:16.5px;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;}
.hero-point{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2);}
.hero-point i{color:var(--accent);font-size:13px;}

.panel{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.10);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:26px;
}
.panel-title{
  font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--text-3);
  margin-bottom:18px;
  display:flex;align-items:center;gap:8px;
}
.panel-title i{color:var(--accent);}
.spec-list{display:grid;gap:14px;}
.spec-item{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 16px;
  border-radius:14px;
  background:rgba(255,255,255,.035);
  border:1px solid var(--stroke-soft);
  transition:border-color .2s ease,transform .2s ease;
}
.spec-item:hover{border-color:rgba(53,224,200,.42);transform:translateY(-2px);}
.spec-item span:first-child{font-size:13.5px;color:var(--text-2);}
.spec-item strong{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:15px;color:var(--accent);
}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-sm{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:15.5px;margin:0;}
.section-tag{
  display:inline-block;
  font-size:12.5px;letter-spacing:.10em;
  color:var(--accent-2);
  margin-bottom:12px;
  text-transform:uppercase;
}

/* ============ 筛选标签 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;
  flex-wrap:wrap;
  padding:16px 18px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-sm);
  margin-bottom:32px;
}
.filter-bar .filter-label{
  font-size:13px;color:var(--text-3);margin-right:4px;
  display:inline-flex;align-items:center;gap:7px;
}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  min-height:36px;
  padding:0 16px;
  border-radius:999px;
  font-size:13.5px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke-soft);
  transition:all .2s ease;
  cursor:pointer;
}
.chip:hover{color:#fff;border-color:rgba(53,224,200,.45);transform:translateY(-2px);}
.chip.is-active{
  color:#04161B;font-weight:700;
  background:linear-gradient(135deg,var(--accent),#3FC7E8);
  border-color:transparent;
  box-shadow:0 0 18px rgba(53,224,200,.28);
}

/* ============ 双列大卡 + 侧栏 ============ */
.lib-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:32px;
  align-items:start;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.lib-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm),inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.lib-card:hover{
  transform:translateY(-3px);
  border-color:rgba(53,224,200,.50);
  box-shadow:0 14px 40px rgba(0,0,0,.50),0 0 24px rgba(53,224,200,.16);
}
.lib-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(140deg,var(--bg-2),var(--bg-1));
}
.lib-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.86;transition:transform .35s ease,opacity .35s ease;}
.lib-card:hover .lib-thumb img{transform:scale(1.04);opacity:1;}
.lib-thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:56%;
  background:linear-gradient(180deg,transparent,rgba(6,10,20,.88));
}
.lib-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:rgba(10,16,32,.76);
  border:1px solid rgba(120,200,255,.28);
  color:var(--accent);
  backdrop-filter:blur(8px);
}
.lib-badge.warn{color:var(--warn);border-color:rgba(255,178,94,.40);}
.lib-badge.violet{color:#B9A6FF;border-color:rgba(124,92,255,.45);}
.lib-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.lib-body h3{font-size:18.5px;margin-bottom:10px;}
.lib-body p{font-size:14.5px;color:var(--text-2);margin-bottom:16px;}
.lib-meta{
  display:flex;flex-wrap:wrap;gap:8px 16px;
  font-size:12.5px;color:var(--text-3);
  padding-top:14px;margin-top:auto;
  border-top:1px dashed rgba(120,200,255,.14);
}
.lib-meta span{display:inline-flex;align-items:center;gap:6px;}
.lib-meta i{color:var(--accent);font-size:11px;}
.lib-link{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:16px;font-size:14px;font-weight:600;color:var(--accent);
}
.lib-link i{transition:transform .2s ease;}
.lib-link:hover i{transform:translateX(4px);}

/* ============ 侧栏 ============ */
.side-col{display:grid;gap:22px;position:sticky;top:88px;}
.side-panel{
  padding:22px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-sm),inset 0 1px 0 rgba(255,255,255,.08);
}
.side-panel h3{
  font-size:16.5px;margin-bottom:16px;
  display:flex;align-items:center;gap:9px;
}
.side-panel h3 i{color:var(--accent);font-size:14px;}
.key-list{display:grid;gap:13px;}
.key-list li{
  display:flex;gap:11px;
  font-size:14px;color:var(--text-2);
  padding-bottom:13px;
  border-bottom:1px dashed rgba(120,200,255,.12);
}
.key-list li:last-child{border-bottom:none;padding-bottom:0;}
.key-list i{color:var(--accent);font-size:12px;margin-top:6px;flex-shrink:0;}
.side-note{
  padding:18px;
  border-radius:var(--radius-sm);
  background:linear-gradient(140deg,rgba(124,92,255,.16),rgba(53,224,200,.08));
  border:1px solid rgba(124,92,255,.30);
  font-size:13.5px;
  color:var(--text-2);
}
.side-note strong{display:block;color:#fff;font-size:14.5px;margin-bottom:8px;}
.side-stat{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px;
}
.side-stat div{
  padding:14px;
  border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke-soft);
  text-align:center;
}
.side-stat b{
  display:block;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:20px;color:var(--accent);
  line-height:1.3;
}
.side-stat span{font-size:12px;color:var(--text-3);}

/* ============ 节奏数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.stat-box{
  padding:24px 22px;
  border-radius:var(--radius);
  background:var(--bg-1);
  border:1px solid var(--stroke-soft);
  transition:border-color .2s ease,transform .2s ease;
}
.stat-box:hover{border-color:rgba(53,224,200,.40);transform:translateY(-2px);}
.stat-box b{
  display:block;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:30px;
  color:#fff;
  line-height:1.2;
  margin-bottom:8px;
}
.stat-box b i{font-size:16px;color:var(--accent);font-style:normal;margin-left:4px;}
.stat-box span{font-size:13.5px;color:var(--text-3);}

/* ============ 精选图文 ============ */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.feature-item{
  display:grid;
  grid-template-columns:170px minmax(0,1fr);
  gap:20px;
  align-items:center;
  padding:20px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--stroke);
  transition:transform .22s ease,border-color .22s ease;
}
.feature-item:hover{transform:translateY(-3px);border-color:rgba(53,224,200,.45);}
.feature-item .thumb{aspect-ratio:4/3;overflow:hidden;border-radius:14px;background:var(--bg-2);}
.feature-item .thumb img{width:100%;height:100%;object-fit:cover;border-radius:14px;}
.feature-item h3{font-size:17px;margin-bottom:9px;}
.feature-item p{font-size:14px;color:var(--text-2);margin:0;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:12px;max-width:920px;}
.faq-item{
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--stroke);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.is-open{border-color:rgba(53,224,200,.45);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--accent);}
.faq-q .faq-icon{
  flex-shrink:0;
  width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;
  font-size:12px;
  background:rgba(53,224,200,.12);
  color:var(--accent);
  transition:transform .28s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a p{
  padding:0 24px 22px;
  margin:0;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:58px 0;
  border-top:1px solid var(--stroke-soft);
  border-bottom:1px solid var(--stroke-soft);
  background:linear-gradient(120deg,rgba(53,224,200,.10),rgba(124,92,255,.14));
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.13;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-inner h2{margin-bottom:10px;font-size:clamp(22px,2.6vw,30px);}
.cta-inner p{color:var(--text-2);margin:0;max-width:620px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  padding:64px 0 28px;
  background:linear-gradient(180deg,rgba(10,16,32,.5),rgba(6,10,20,.96));
  border-top:1px solid var(--stroke-soft);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid var(--stroke-soft);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.8px;color:var(--text-3);max-width:360px;margin:0;line-height:1.8;}
.footer-col h3{
  font-size:14.5px;margin-bottom:16px;color:#fff;
  letter-spacing:.03em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:13.8px;color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:13.6px;color:var(--text-2);}
.footer-contact i{color:var(--accent);font-size:12.5px;width:16px;text-align:center;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:22px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .lib-layout{grid-template-columns:minmax(0,1fr) 300px;}
  .nav-search input{width:110px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .lib-layout{grid-template-columns:1fr;}
  .side-col{position:static;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .nav-search{display:none;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .hero{padding:56px 0 48px;}
  .nav-links{
    position:absolute;
    top:64px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:16px 18px 22px;
    background:rgba(8,13,26,.96);
    border-bottom:1px solid var(--stroke);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;}
  .nav-toggle{display:grid;}
  .nav-actions .btn-ghost{display:none;}
  .card-grid{grid-template-columns:1fr;}
  .filter-bar{padding:14px;gap:8px;}
  .filter-bar .filter-label{width:100%;margin-bottom:4px;}
  .feature-item{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .hero-cta .btn{flex:1 1 100%;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-box{padding:18px 16px;}
  .stat-box b{font-size:24px;}
  .side-stat{grid-template-columns:1fr 1fr;}
  .panel{padding:20px;}
  .lib-body{padding:18px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-band{padding:44px 0;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1020;
  --bg-2:#0E1728;
  --glass:rgba(255,255,255,.06);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(120,200,255,.16);
  --line-soft:rgba(120,200,255,.09);
  --hi:rgba(255,255,255,.10);
  --accent:#35E0C8;
  --accent-2:#7C5CFF;
  --warn:#FFB25E;
  --text:rgba(230,240,255,.92);
  --text-2:rgba(180,198,225,.72);
  --text-3:rgba(150,170,200,.52);
  --r-lg:20px;
  --r:16px;
  --r-sm:12px;
  --shadow:0 8px 32px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,224,200,.55),0 0 24px rgba(53,224,200,.28);
  --maxw:1280px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 10% -12%,rgba(53,224,200,.10),transparent 60%),
    radial-gradient(820px 480px at 94% 6%,rgba(124,92,255,.13),transparent 62%),
    var(--bg-0);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(120,200,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 76%);
  mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 76%);
}
img{max-width:100%;display:block;border-radius:var(--r);}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(6,10,20,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(0,0,0,.5);background:rgba(6,10,20,.9);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  font-size:15px;color:var(--accent);
  background:linear-gradient(135deg,rgba(53,224,200,.22),rgba(124,92,255,.30));
  border:1px solid rgba(53,224,200,.4);
  box-shadow:inset 0 1px 0 var(--hi);
}
.brand-text{font-size:18px;font-weight:700;color:#fff;letter-spacing:.4px;}
.brand-text span{color:var(--accent);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:8px 14px;border-radius:10px;font-size:14.5px;color:var(--text-2);
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{
  color:var(--accent);
  background:rgba(53,224,200,.10);
  box-shadow:inset 0 0 0 1px rgba(53,224,200,.28);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-3);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.nav-search:focus-within{border-color:rgba(53,224,200,.5);box-shadow:0 0 0 2px rgba(53,224,200,.22);}
.nav-search input{
  width:150px;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);
  color:var(--text);font-size:17px;
  align-items:center;justify-content:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{
  color:#04140F;
  background:linear-gradient(135deg,#35E0C8,#2BB9E8);
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.7),0 0 32px rgba(53,224,200,.42);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  color:var(--text);
  background:var(--glass);
  border-color:var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:rgba(53,224,200,.5);background:rgba(53,224,200,.09);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:38px;padding:0 15px;font-size:13.5px;border-radius:11px;}
.btn-block{width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.6px;color:var(--accent);
  background:rgba(53,224,200,.10);
  border:1px solid rgba(53,224,200,.28);
}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:16px 0 12px;}
.section-head p{color:var(--text-2);font-size:16px;}
.muted{color:var(--text-2);}
.card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:84px 0 72px;
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;
  background-position:center;
  opacity:.30;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,10,20,.96) 0%,rgba(6,10,20,.86) 48%,rgba(6,10,20,.68) 100%);
}
.hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(32px,4.6vw,50px);line-height:1.15;margin:18px 0 16px;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  margin-top:44px;max-width:660px;
}
.stat{
  padding:16px 18px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 var(--hi);
}
.stat b{display:block;font-family:var(--mono);font-size:22px;color:var(--accent);letter-spacing:.5px;}
.stat span{font-size:13px;color:var(--text-2);}
.hero-panel{padding:26px;border-radius:var(--r-lg);}
.hero-panel h3{font-size:17px;margin-bottom:6px;}
.hero-panel .panel-note{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.step-chips{display:grid;gap:10px;}
.chip{
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-soft);
  font-size:14px;color:var(--text-2);
  transition:border-color .2s ease,transform .2s ease,color .2s ease;
}
.chip:hover{border-color:rgba(53,224,200,.42);color:var(--text);transform:translateY(-2px);}
.chip i{color:var(--accent);font-size:13px;width:16px;text-align:center;}
.chip b{font-family:var(--mono);color:var(--accent);font-size:13px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:20px;margin-top:14px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(53,224,200,.60),rgba(124,92,255,.35),rgba(53,224,200,0));
}
.tl-item{display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:flex-start;}
.tl-index{
  width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:17px;font-weight:700;color:var(--accent);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  position:relative;z-index:1;
}
.tl-card{padding:24px 26px;border-radius:var(--r-lg);transition:border-color .22s ease,transform .22s ease;}
.tl-card:hover{border-color:rgba(53,224,200,.42);transform:translateY(-2px);}
.tl-card h3{font-size:19px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tl-tag{
  font-size:12px;padding:3px 10px;border-radius:999px;
  background:rgba(124,92,255,.16);color:#CFC2FF;
  border:1px solid rgba(124,92,255,.35);font-weight:500;
}
.tl-card p{margin-top:12px;color:var(--text-2);font-size:15.4px;}
.tl-points{display:grid;gap:9px;margin-top:16px;}
.tl-points li{display:flex;gap:10px;font-size:14.6px;color:var(--text-2);}
.tl-points i{color:var(--accent);margin-top:7px;font-size:11px;}
.tl-media{margin-top:18px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line-soft);}

/* ---------- 准备清单 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.check-list{display:grid;gap:14px;margin-top:26px;}
.check-item{
  display:flex;gap:14px;padding:16px 18px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--line-soft);
  transition:border-color .2s ease,transform .2s ease;
}
.check-item:hover{border-color:rgba(53,224,200,.36);transform:translateY(-2px);}
.check-item i{color:var(--accent);margin-top:5px;}
.check-item h4{font-size:15.5px;margin-bottom:4px;}
.check-item p{font-size:14px;color:var(--text-2);}
.figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.figure-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 20px;font-size:13.5px;color:var(--text-2);
  background:linear-gradient(180deg,transparent,rgba(6,10,20,.92));
}

/* ---------- 路径推荐 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.path-card{display:flex;flex-direction:column;overflow:hidden;transition:border-color .22s ease,transform .22s ease;}
.path-card:hover{border-color:rgba(53,224,200,.42);transform:translateY(-3px);}
.path-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.path-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.path-body h3{font-size:18px;}
.path-body .path-meta{font-family:var(--mono);font-size:12.5px;color:var(--warn);margin-top:6px;letter-spacing:.4px;}
.path-body p{margin-top:12px;font-size:14.6px;color:var(--text-2);flex:1;}
.path-body .btn{margin-top:18px;}

/* ---------- 误区对照 ---------- */
.compare{display:grid;gap:14px;margin-top:34px;}
.compare-row{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line-soft);
  background:var(--glass);
}
.compare-cell{padding:18px 22px;font-size:14.8px;color:var(--text-2);}
.compare-cell.bad{border-right:1px solid var(--line-soft);color:rgba(255,178,94,.88);}
.compare-cell b{display:block;font-size:12.5px;letter-spacing:.6px;margin-bottom:6px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;margin-top:34px;}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--r);background:var(--glass);overflow:hidden;transition:border-color .2s ease;}
.faq-item[open]{border-color:rgba(53,224,200,.36);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--accent);transition:transform .25s ease;font-size:14px;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-answer{padding:0 22px 20px;color:var(--text-2);font-size:14.8px;}

/* ---------- CTA ---------- */
.cta-band{padding:56px 0 88px;}
.cta-panel{
  position:relative;overflow:hidden;
  padding:56px 48px;border-radius:24px;
  background:linear-gradient(120deg,rgba(53,224,200,.14),rgba(124,92,255,.16) 58%,rgba(14,23,40,.6));
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 var(--hi);
  text-align:center;
}
.cta-panel h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.cta-panel p{color:var(--text-2);max-width:640px;margin:0 auto;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  border-top:1px solid var(--line-soft);
  background:rgba(10,16,32,.72);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);max-width:340px;}
.footer-col h3{font-size:15px;margin-bottom:16px;color:#fff;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);}
.footer-contact i{color:var(--accent);width:16px;text-align:center;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);
}
.footer-bottom span{font-family:var(--mono);letter-spacing:.4px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-stats{max-width:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .path-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:72px 0;}
}
@media (max-width:860px){
  .nav-links{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 20px;
    background:rgba(8,13,26,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(0,0,0,.55);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .hero{padding:56px 0 48px;}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .tl-item{grid-template-columns:44px 1fr;gap:14px;}
  .tl-index{width:44px;height:44px;border-radius:13px;font-size:15px;}
  .timeline::before{left:21px;}
  .tl-card{padding:20px;}
  .path-grid{grid-template-columns:1fr;}
  .compare-row{grid-template-columns:1fr;}
  .compare-cell.bad{border-right:0;border-bottom:1px solid var(--line-soft);}
  .cta-panel{padding:40px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .cta-actions .btn,.hero-cta .btn{width:100%;}
}
@media (max-width:520px){
  .brand-text{font-size:16px;}
  .hero h1{font-size:30px;}
  .section-head h2{font-size:23px;}
  .tl-card h3{font-size:17px;}
}