/* roulang page: index */
:root{
  --ink:#10142b;
  --ink-soft:#1a1f3d;
  --navy:#232a52;
  --gold:#ffb400;
  --gold-deep:#d99400;
  --gold-soft:#ffe7b0;
  --cyan:#35e0d1;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b2038;
  --muted:#6d7590;
  --line:#e5e8f3;
  --radius:12px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-sm:0 2px 10px rgba(16,20,43,.06);
  --shadow-md:0 14px 34px rgba(16,20,43,.10);
  --shadow-lg:0 26px 64px rgba(16,20,43,.18);
  --container:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}

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

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  padding:14px 0 6px;
  background:linear-gradient(180deg,rgba(10,13,30,.72),rgba(10,13,30,0));
  pointer-events:none;
}
.nav-pill{
  position:relative;
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 22px;
  border-radius:var(--radius-pill);
  background:rgba(16,20,43,.92);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 16px 40px rgba(10,13,30,.28);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  pointer-events:auto;
}
.brand{
  display:flex;align-items:center;gap:9px;
  color:#fff;font-weight:800;font-size:1rem;letter-spacing:.02em;
  white-space:nowrap;
}
.brand::before{
  content:"";width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--cyan));
  box-shadow:0 0 14px rgba(255,180,0,.85);
  flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:block;padding:8px 16px;border-radius:var(--radius-pill);
  font-size:.93rem;color:rgba(255,255,255,.76);
  transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-links a.active{
  color:#1a1508;font-weight:800;
  background:linear-gradient(135deg,#ffcb4d,var(--gold));
  box-shadow:0 8px 20px rgba(255,180,0,.36);
}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:1.1rem;line-height:1;
  align-items:center;justify-content:center;
  cursor:pointer;transition:background .22s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:var(--radius-pill);
  font-weight:800;font-size:.96rem;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{
  color:#22190a;
  background:linear-gradient(135deg,#ffcb4d,#ff9d00);
  box-shadow:0 14px 30px rgba(255,157,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,157,0,.44);color:#22190a}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,157,0,.34)}
.btn-ghost{
  color:#fff;border-color:rgba(255,255,255,.34);
  background:rgba(255,255,255,.07);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,180,0,.7);transform:translateY(-2px)}
.btn-dark{
  color:#fff;background:linear-gradient(135deg,#2b3363,var(--navy));
  box-shadow:0 14px 30px rgba(26,31,61,.28);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(26,31,61,.36)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  margin-top:-84px;padding:150px 0 72px;
  color:#fff;background:var(--ink);
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.4;filter:saturate(.85)}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(255,180,0,.24),transparent 62%),
    radial-gradient(760px 380px at 88% 20%,rgba(53,224,209,.18),transparent 66%),
    linear-gradient(158deg,rgba(16,20,43,.94),rgba(26,31,61,.86) 52%,rgba(12,16,34,.96));
}
.hero-inner{position:relative;z-index:2}
.flash-bar{
  display:inline-flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:8px 18px;margin-bottom:26px;
  border-radius:var(--radius-pill);
  border:1px dashed rgba(255,180,0,.55);
  background:rgba(255,180,0,.09);
  font-size:.86rem;color:rgba(255,255,255,.86);
}
.flash-bar .dot{
  width:8px;height:8px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 0 rgba(255,180,0,.8);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,180,0,.7)}
  70%{box-shadow:0 0 0 12px rgba(255,180,0,0)}
  100%{box-shadow:0 0 0 0 rgba(255,180,0,0)}
}
.flash-bar b{color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.hero-tag{
  display:inline-block;
  transform:rotate(-2deg);
  padding:7px 18px;margin-bottom:22px;
  border-radius:8px;
  background:linear-gradient(135deg,#ffd05a,var(--gold));
  color:#231a06;font-weight:800;font-size:.84rem;letter-spacing:.08em;
  box-shadow:0 12px 26px rgba(255,180,0,.32);
}
.hero h1{
  font-size:clamp(1.9rem,4.4vw,3.05rem);
  margin-bottom:.45em;
  text-shadow:0 10px 34px rgba(0,0,0,.35);
}
.hero h1 .hl{color:var(--gold);white-space:nowrap}
.hero-lead{
  max-width:790px;
  font-size:1.02rem;color:rgba(255,255,255,.84);
  margin-bottom:1.8em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:48px;
}
.stat{
  padding:18px 20px;border-radius:var(--radius);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.13);
  backdrop-filter:blur(6px);
}
.stat b{display:block;font-size:1.55rem;font-weight:800;color:var(--gold);line-height:1.2}
.stat span{display:block;margin-top:4px;font-size:.84rem;color:rgba(255,255,255,.66)}

/* ---------- section base ---------- */
.section{padding:78px 0}
.section--surface{background:var(--surface)}
.section--alt{background:#eef0f8}
.section--dark{background:linear-gradient(160deg,#141936,#1a1f3d 70%,#10142b);color:#fff}
.section-head{max-width:760px;margin-bottom:42px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:800;letter-spacing:.16em;
  color:var(--gold-deep);text-transform:uppercase;
}
.section--dark .eyebrow{color:var(--gold)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.section-title{font-size:clamp(1.42rem,2.6vw,2.02rem);margin:.4em 0 .5em}
.section-desc{color:var(--muted);font-size:1rem;margin:0}
.section--dark .section-desc{color:rgba(255,255,255,.74)}

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

/* ---------- panel / cards ---------- */
.panel{
  height:100%;
  padding:28px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.panel h3{font-size:1.08rem;margin-bottom:.55em}
.panel p{color:var(--muted);font-size:.94rem}
.section--dark .panel{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.12);
  box-shadow:none;
}
.section--dark .panel h3{color:#fff}
.section--dark .panel p{color:rgba(255,255,255,.72)}
.section--dark .panel:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.55)}
.panel-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;margin-bottom:16px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(53,224,209,.16));
  color:var(--gold-deep);font-weight:800;font-size:.92rem;
}
.section--dark .panel-num{color:var(--gold);background:rgba(255,180,0,.16)}

.media-card{
  overflow:hidden;height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.media-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e8ebf5}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.media-card:hover .thumb img{transform:scale(1.05)}
.media-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,43,0) 45%,rgba(16,20,43,.55))}
.media-card .body{padding:22px 22px 24px}
.media-card h3{font-size:1.04rem;margin-bottom:.55em}
.media-card p{color:var(--muted);font-size:.93rem;margin:0}

.tag{
  display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);
  font-size:.78rem;font-weight:700;letter-spacing:.03em;
  background:rgba(255,180,0,.14);color:var(--gold-deep);
}
.tag-cyan{background:rgba(53,224,209,.16);color:#0d8d84}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted)}

/* ---------- metric band ---------- */
.metric{border-left:3px solid var(--gold);padding-left:20px}
.metric b{display:block;font-size:1.7rem;font-weight:800;color:var(--ink-soft)}
.metric span{font-size:.88rem;color:var(--muted)}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:34px}

/* ---------- checklist ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 26px}
.checklist li{
  position:relative;padding:14px 18px 14px 46px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);font-size:.94rem;color:var(--text);
  box-shadow:var(--shadow-sm);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.checklist li:hover{border-color:rgba(255,180,0,.55);transform:translateX(3px)}
.checklist li::before{
  content:"";position:absolute;left:18px;top:50%;
  width:16px;height:9px;margin-top:-6px;
  border-left:2.5px solid var(--gold-deep);
  border-bottom:2.5px solid var(--gold-deep);
  transform:rotate(-45deg);
}

/* ---------- badge strip ---------- */
.badge-strip{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:28px;
}
.chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 22px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:.92rem;font-weight:700;color:var(--ink-soft);
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.chip::before{
  content:"";width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--cyan));
  flex:none;
}
.chip:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md)}

/* ---------- boundary compare ---------- */
.boundary{border-radius:var(--radius-lg);padding:30px 30px 26px;height:100%}
.boundary-yes{background:linear-gradient(160deg,rgba(53,224,209,.12),rgba(255,255,255,.9));border:1px solid rgba(53,224,209,.4)}
.boundary-no{background:linear-gradient(160deg,rgba(255,180,0,.14),rgba(255,255,255,.92));border:1px solid rgba(255,180,0,.42)}
.boundary h3{font-size:1.06rem;margin-bottom:16px;color:var(--ink-soft)}
.boundary ul li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:.94rem;color:#3a4160;
}
.boundary ul li:last-child{margin-bottom:0}
.boundary ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.65}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,rgba(255,180,0,.7),rgba(53,224,209,.5));
}
.timeline li{position:relative;padding:0 0 26px 60px}
.timeline li:last-child{padding-bottom:0}
.timeline .step{
  position:absolute;left:0;top:0;
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:.8rem;font-weight:800;color:#1a1508;
  background:linear-gradient(135deg,#ffd05a,var(--gold));
  box-shadow:0 8px 20px rgba(255,180,0,.34);
}
.timeline h3{font-size:1rem;margin-bottom:.3em;color:#fff}
.timeline p{font-size:.92rem;color:rgba(255,255,255,.72);margin:0}

/* ---------- channel wall ---------- */
.channel{
  display:block;height:100%;
  padding:30px 28px;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,#1c2247,#141936);
  border:1px solid rgba(255,255,255,.1);
  color:#fff;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.channel:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.6)}
.channel .tag{margin-bottom:16px;background:rgba(255,180,0,.18);color:var(--gold)}
.channel h3{font-size:1.1rem;margin-bottom:.6em}
.channel p{font-size:.93rem;color:rgba(255,255,255,.7);margin:0}
.channel .arrow{display:inline-block;margin-top:18px;font-weight:800;color:var(--gold);font-size:.9rem}
.channel:hover .arrow{letter-spacing:.06em}

/* ---------- myth compare ---------- */
.myth{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--surface);box-shadow:var(--shadow-sm);
}
.myth div{padding:20px 24px;font-size:.94rem}
.myth .wrong{background:#fbf7ec;color:#7a6023;border-right:1px solid var(--line)}
.myth .right{color:#2c3350}
.myth .wrong strong,.myth .right strong{display:block;font-size:.76rem;letter-spacing:.12em;margin-bottom:6px;text-transform:uppercase}
.myth .wrong strong{color:#b58b1f}
.myth .right strong{color:#0d8d84}

/* ---------- quotes ---------- */
.quote{
  padding:24px 24px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);height:100%;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.quote p{font-size:.95rem;color:#333a58;margin-bottom:16px}
.quote .who{display:flex;align-items:center;gap:10px;font-size:.84rem;color:var(--muted)}
.quote .avatar{
  width:32px;height:32px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,rgba(255,180,0,.85),rgba(53,224,209,.8));
  color:#1a1508;font-weight:800;font-size:.8rem;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.7fr 1fr;gap:26px;align-items:start}
.news-list{display:grid;gap:16px}
.news-item{
  display:block;padding:22px 24px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.news-item h3{font-size:1rem;margin-bottom:.45em;color:var(--ink-soft)}
.news-item p{font-size:.9rem;color:var(--muted);margin:0 0 12px}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:.8rem;color:var(--muted)}
.news-meta .tag{font-size:.74rem;padding:3px 10px}
.news-side{
  padding:26px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,#1b2146,#141936);
  color:#fff;box-shadow:var(--shadow-md);
}
.news-side h3{font-size:1.02rem;margin-bottom:18px;color:var(--gold)}
.side-item{display:block;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.16);transition:padding .2s var(--ease)}
.side-item:last-child{border-bottom:0;padding-bottom:0}
.side-item:hover{padding-left:6px}
.side-item strong{display:block;font-size:.92rem;font-weight:700;color:#fff;line-height:1.55}
.side-item span{font-size:.78rem;color:rgba(255,255,255,.55)}
.empty-note{
  padding:26px;border-radius:var(--radius);
  background:var(--surface);border:1px dashed var(--line);
  color:var(--muted);font-size:.92rem;text-align:center;
}

/* ---------- faq ---------- */
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:6px 24px;
  box-shadow:var(--shadow-sm);margin-bottom:14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md)}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:18px 34px 18px 0;position:relative;
  font-weight:800;font-size:1rem;color:var(--ink-soft);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:1.4rem;font-weight:400;color:var(--gold-deep);line-height:1;
  transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item .answer{padding:0 0 20px;color:var(--muted);font-size:.95rem}

/* ---------- final cta ---------- */
.final{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:56px 48px;
  background:linear-gradient(135deg,#1b2146,#10142b 60%,#20264f);
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.final::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);
}
.final-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:center}
.final h2{font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:.5em}
.final p{color:rgba(255,255,255,.76);font-size:.98rem}
.count-box{
  padding:26px;border-radius:var(--radius);
  background:rgba(255,255,255,.08);
  border:1px dashed rgba(255,180,0,.55);
  text-align:center;
}
.count-box span{display:block;font-size:.82rem;color:rgba(255,255,255,.7);letter-spacing:.1em}
.count-box b{
  display:block;margin:10px 0 18px;
  font-size:2rem;font-weight:800;color:var(--gold);
  font-variant-numeric:tabular-nums;letter-spacing:.05em;
}
.count-box .btn{width:100%}

/* ---------- footer ---------- */
.site-footer{
  background:#0d1128;color:rgba(255,255,255,.72);
  padding:56px 0 26px;margin-top:76px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:800;font-size:1.05rem;margin-bottom:14px}
.footer-brand::before{content:"";width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--cyan))}
.site-footer p{font-size:.9rem;color:rgba(255,255,255,.6);margin:0}
.footer-col h4{font-size:.92rem;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col a{display:block;font-size:.89rem;color:rgba(255,255,255,.6);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:22px;font-size:.82rem;color:rgba(255,255,255,.45);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-3{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .final-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .container{padding:0 18px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:12px;border-radius:20px;
    background:rgba(13,17,40,.98);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:0 24px 50px rgba(8,10,24,.5);
    display:none;
  }
  .nav-pill.open .nav-links{display:flex}
  .nav-links a{padding:12px 18px;font-size:.95rem}
  .nav-pill{padding:10px 12px}
  .hero{margin-top:-80px;padding:140px 0 60px}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .metric-row{grid-template-columns:1fr;gap:20px}
  .checklist{grid-template-columns:1fr}
  .myth{grid-template-columns:1fr}
  .myth .wrong{border-right:0;border-bottom:1px solid var(--line)}
  .final{padding:40px 26px}
  .hero-lead{font-size:.97rem}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
  .hero-stats{grid-template-columns:1fr;gap:10px;margin-top:34px}
  .hero h1{font-size:1.72rem}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .flash-bar{font-size:.79rem;padding:8px 14px}
  .section-title{font-size:1.32rem}
  .panel,.media-card .body{padding:22px 20px}
  .brand{font-size:.92rem}
  .count-box b{font-size:1.6rem}
}

/* roulang page: article */
:root{
 --ink:#10142b;
 --ink-soft:#1a1f3d;
 --navy:#232a52;
 --gold:#ffb400;
 --gold-deep:#d99400;
 --gold-soft:#ffe7b0;
 --cyan:#35e0d1;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b2038;
 --muted:#6d7590;
 --line:#e5e8f3;
 --radius:12px;
 --radius-lg:20px;
 --radius-pill:999px;
 --shadow-sm:0 2px 10px rgba(16,20,43,.06);
 --shadow-md:0 14px 34px rgba(16,20,43,.10);
 --shadow-lg:0 26px 64px rgba(16,20,43,.18);
 --container:1180px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
p{margin:0 0 1em}
:focus-visible{outline:3px solid rgba(255,180,0,.8);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:120;
 padding:14px 0 6px;
 background:linear-gradient(180deg,rgba(10,13,30,.72),rgba(10,13,30,0));
}
.nav-pill{
 position:relative;
 display:flex;align-items:center;gap:16px;
 padding:10px 12px 10px 22px;
 border-radius:var(--radius-pill);
 background:rgba(16,20,43,.92);
 border:1px solid rgba(255,255,255,.1);
 box-shadow:0 16px 40px rgba(10,13,30,.28);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
}
.brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:1rem;letter-spacing:.02em;
 white-space:nowrap;
}
.brand::before{
 content:"";width:10px;height:10px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold),var(--cyan));
 box-shadow:0 0 14px rgba(255,180,0,.85);
 flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;list-style:none;padding:0;margin-bottom:0}
.nav-links a{
 display:block;padding:8px 16px;border-radius:var(--radius-pill);
 font-size:.93rem;color:rgba(255,255,255,.76);
 transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
 white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-links a.active{
 color:#1a1508;font-weight:800;
 background:linear-gradient(135deg,#ffcb4d,var(--gold));
 box-shadow:0 8px 20px rgba(255,180,0,.36);
}
.nav-toggle{
 display:none;margin-left:auto;
 width:44px;height:44px;border-radius:50%;
 border:1px solid rgba(255,255,255,.18);
 background:rgba(255,255,255,.08);
 color:#fff;font-size:1.1rem;line-height:1;
 align-items:center;justify-content:center;
 cursor:pointer;transition:background .22s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 30px;border-radius:var(--radius-pill);
 font-weight:800;font-size:.96rem;line-height:1.2;
 border:1px solid transparent;cursor:pointer;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{
 color:#22190a;
 background:linear-gradient(135deg,#ffcb4d,#ff9d00);
 box-shadow:0 14px 30px rgba(255,157,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,157,0,.44);color:#22190a}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,157,0,.34)}
.btn-ghost{
 color:#fff;border-color:rgba(255,255,255,.34);
 background:rgba(255,255,255,.07);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,180,0,.7);transform:translateY(-2px);color:#fff}
.btn-dark{
 color:#fff;background:linear-gradient(135deg,#2b3363,var(--navy));
 box-shadow:0 14px 30px rgba(26,31,61,.28);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(26,31,61,.36);color:#fff}

/* ---------- page hero ---------- */
.page-hero{
 position:relative;overflow:hidden;
 margin-top:-84px;padding:146px 0 66px;
 color:#fff;background:var(--ink);
}
.page-hero .hero-media{position:absolute;inset:0;z-index:0}
.page-hero .hero-media img{width:100%;height:100%;object-fit:cover;opacity:.38;filter:saturate(.85)}
.page-hero::after{
 content:"";position:absolute;inset:0;z-index:1;
 background:
 radial-gradient(900px 420px at 12% 0%,rgba(255,180,0,.24),transparent 62%),
 radial-gradient(720px 360px at 88% 16%,rgba(53,224,209,.16),transparent 66%),
 linear-gradient(158deg,rgba(16,20,43,.95),rgba(26,31,61,.88) 52%,rgba(12,16,34,.96));
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:rgba(255,255,255,.62);margin-bottom:20px;padding:0}
.crumb a{color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--gold)}
.crumb .sep{opacity:.45}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:16px}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 15px;border-radius:var(--radius-pill);
 background:linear-gradient(135deg,#ffd05a,var(--gold));
 color:#231a06;font-weight:800;font-size:.78rem;letter-spacing:.02em;
 box-shadow:0 10px 22px rgba(255,180,0,.28);
}
.chip--ghost{
 background:rgba(255,255,255,.1);color:rgba(255,255,255,.86);
 border:1px solid rgba(255,255,255,.2);font-weight:600;box-shadow:none;
}
.page-hero h1{
 font-size:clamp(1.6rem,3.4vw,2.5rem);
 line-height:1.34;margin:0 0 16px;
 text-shadow:0 10px 30px rgba(0,0,0,.35);
}
.hero-sub{
 max-width:780px;margin:0;
 color:rgba(255,255,255,.82);font-size:1rem;
}

/* ---------- sections ---------- */
.section{padding:74px 0}
.section--surface{background:var(--surface)}
.section--alt{background:#eef0f8}
.section--dark{background:linear-gradient(160deg,#141936,#1a1f3d 70%,#10142b);color:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.78rem;font-weight:800;letter-spacing:.16em;
 color:var(--gold-deep);text-transform:uppercase;
}
.section--dark .eyebrow{color:var(--gold)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.section-title{font-size:clamp(1.4rem,2.6vw,2rem);margin:.42em 0 .5em;color:var(--ink)}
.section--dark .section-title{color:#fff}
.section-desc{color:var(--muted);font-size:1rem;margin:0}
.section--dark .section-desc{color:rgba(255,255,255,.74)}

/* ---------- article body ---------- */
.article-shell{max-width:900px;margin:0 auto}
.article-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-md);
 padding:clamp(22px,4vw,52px);
}
.article-body{font-size:1.02rem;color:#2a3150}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
 font-size:clamp(1.2rem,2vw,1.52rem);
 margin:1.9em 0 .7em;padding-left:14px;
 border-left:4px solid var(--gold);
 line-height:1.45;color:var(--ink);
}
.article-body h3{font-size:1.12rem;margin:1.5em 0 .55em;color:var(--ink);font-weight:800}
.article-body h4{font-size:1rem;margin:1.3em 0 .5em;color:var(--ink-soft);font-weight:800}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.1em}
.article-body li{margin-bottom:.45em}
.article-body img{border-radius:12px;margin:1.3em 0;box-shadow:var(--shadow-md)}
.article-body blockquote{
 margin:1.4em 0;padding:16px 22px;
 background:#fff8e8;border-left:4px solid var(--gold);
 border-radius:0 12px 12px 0;color:#5c4a1d;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#b57e00}
.article-body table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:.94rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body th{background:#f2f4fb;color:var(--ink);font-weight:800}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.empty-state{text-align:center;padding:26px 10px 10px}
.empty-state h2{font-size:1.35rem;color:var(--ink);margin:0 0 12px}
.empty-state p{color:var(--muted);margin:0 0 22px}

/* ---------- grids & panels ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.panel{
 height:100%;padding:26px 24px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d6dbf0}
.panel h3{font-size:1.06rem;margin:0 0 10px;color:var(--ink)}
.panel p{margin:0;color:var(--muted);font-size:.94rem}
.panel p + p{margin-top:.7em}
.card-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:11px;margin-bottom:14px;
 background:linear-gradient(135deg,#ffd05a,var(--gold));
 color:#231a06;font-weight:800;font-size:.95rem;
 box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.section--dark .panel{
 background:rgba(255,255,255,.055);
 border-color:rgba(255,255,255,.14);
 box-shadow:none;
}
.section--dark .panel:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.5);transform:translateY(-4px)}
.section--dark .panel h3{color:#fff}
.section--dark .panel p{color:rgba(255,255,255,.76)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat{
 padding:22px 18px;text-align:center;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);
 transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.stat:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.55)}
.stat strong{display:block;font-size:1.55rem;color:var(--gold);line-height:1.3;font-weight:800}
.stat span{font-size:.84rem;color:rgba(255,255,255,.72)}

/* ---------- flow ---------- */
.flow{list-style:none;margin:0;padding:0;max-width:820px}
.flow li{
 position:relative;display:grid;grid-template-columns:52px minmax(0,1fr);
 gap:18px;padding:16px 0;
}
.flow li::before{
 content:"";position:absolute;left:25px;top:56px;bottom:-4px;
 width:2px;background:linear-gradient(180deg,rgba(255,180,0,.55),rgba(255,180,0,0));
}
.flow li:last-child::before{display:none}
.flow-dot{
 width:44px;height:44px;border-radius:50%;
 display:flex;align-items:center;justify-content:center;
 font-weight:800;font-size:.95rem;color:var(--gold-deep);
 background:#fff;border:2px solid var(--gold);
 box-shadow:var(--shadow-sm);
}
.flow-body h3{font-size:1.04rem;margin:0 0 6px;color:var(--ink)}
.flow-body p{margin:0;color:var(--muted);font-size:.94rem}
.section--dark .flow-dot{background:rgba(255,255,255,.08);color:var(--gold);border-color:rgba(255,180,0,.7)}
.section--dark .flow-body h3{color:#fff}
.section--dark .flow-body p{color:rgba(255,255,255,.74)}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{
 padding:26px 24px;border-radius:var(--radius);
 border:1px solid var(--line);background:var(--surface);
 box-shadow:var(--shadow-sm);
}
.compare-col h3{font-size:1.02rem;margin:0 0 14px;color:var(--ink);display:flex;align-items:center;gap:9px}
.compare-col h3::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--muted);flex:none}
.compare-col.warn{background:#fbfbfe;border-color:#e2e6f3}
.compare-col.warn h3::before{background:#aab2cd}
.compare-col.ok{background:#fffaf0;border-color:#ffe3ac}
.compare-col.ok h3::before{background:var(--gold)}
.compare-col ul{list-style:none;margin:0;padding:0}
.compare-col li{
 position:relative;padding-left:20px;margin-bottom:10px;
 font-size:.94rem;color:var(--muted);
}
.compare-col li::before{
 content:"";position:absolute;left:0;top:.72em;
 width:7px;height:7px;border-radius:2px;background:#c3cae0;
}
.compare-col.ok li::before{background:var(--gold)}

/* ---------- read cards ---------- */
.read-card{
 display:flex;flex-direction:column;height:100%;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d6dbf0}
.read-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.read-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.read-card:hover .thumb img{transform:scale(1.05)}
.read-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.read-card h3{font-size:1.02rem;margin:0 0 8px;color:var(--ink)}
.read-card p{margin:0 0 14px;font-size:.92rem;color:var(--muted)}
.read-more{margin-top:auto;font-size:.88rem;font-weight:800;color:var(--gold-deep);display:inline-flex;align-items:center;gap:6px}
.read-card:hover .read-more{color:#b57e00}

/* ---------- faq ---------- */
.faq-item{
 border:1px solid var(--line);border-radius:var(--radius);
 background:var(--surface);box-shadow:var(--shadow-sm);
 margin-bottom:14px;overflow:hidden;
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item[open]{border-color:#ffe0a6;box-shadow:var(--shadow-md)}
.faq-item summary{
 cursor:pointer;list-style:none;
 padding:18px 22px;font-weight:800;color:var(--ink);font-size:1rem;
 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:1.25rem;font-weight:700;color:var(--gold-deep);
 transition:transform .24s var(--ease);line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--muted);font-size:.95rem}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 background:linear-gradient(135deg,#1a1f3d,#2b3363 60%,#151a34);
 color:#fff;padding:clamp(28px,5vw,52px);
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
 border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);
}
.cta-band h2{font-size:clamp(1.32rem,2.6vw,1.86rem);margin:0 0 12px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.78);margin:0 0 24px;max-width:640px;position:relative;z-index:1}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:#0e1226;color:rgba(255,255,255,.72);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand{color:#fff;font-size:1.1rem;font-weight:800;margin-bottom:12px;letter-spacing:.02em}
.site-footer p{margin:0;font-size:.92rem;color:rgba(255,255,255,.62);line-height:1.85}
.footer-col h4{font-size:.9rem;color:#fff;margin:0 0 14px;letter-spacing:.06em}
.footer-col a{
 display:block;font-size:.9rem;color:rgba(255,255,255,.64);
 padding:5px 0;transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 margin-top:40px;padding-top:22px;
 border-top:1px solid rgba(255,255,255,.12);
 display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
 font-size:.84rem;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
 .nav-toggle{display:flex}
 .nav-links{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  display:none;flex-direction:column;align-items:stretch;gap:6px;
  padding:14px;margin-left:0;
  background:rgba(16,20,43,.98);
  border:1px solid rgba(255,255,255,.12);
  border-radius:20px;
  box-shadow:0 24px 50px rgba(10,13,30,.45);
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:11px 16px;border-radius:14px;font-size:.95rem}
 .brand{font-size:.94rem}
 .nav-pill{padding:9px 10px 9px 18px}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .page-hero{padding:126px 0 52px}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .compare{grid-template-columns:1fr}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr}
 .article-card{padding:22px 18px;border-radius:var(--radius)}
 .hero-sub{font-size:.95rem}
 .flow li{grid-template-columns:44px minmax(0,1fr);gap:14px}
 .flow-dot{width:38px;height:38px;font-size:.86rem}
 .flow li::before{left:18px;top:48px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .page-hero{padding:118px 0 44px}
 .page-hero h1{font-size:1.45rem}
 .btn{padding:12px 22px;font-size:.92rem}
 .cta-actions .btn{width:100%}
 .stats{grid-template-columns:1fr}
 .hero-meta{gap:8px}
 .chip{font-size:.74rem;padding:4px 12px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
 --ink:#10142b;
 --ink-soft:#1a1f3d;
 --navy:#232a52;
 --gold:#ffb400;
 --gold-deep:#d99400;
 --gold-soft:#ffe7b0;
 --cyan:#35e0d1;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b2038;
 --muted:#6d7590;
 --line:#e5e8f3;
 --radius:12px;
 --radius-lg:20px;
 --radius-pill:999px;
 --shadow-sm:0 2px 10px rgba(16,20,43,.06);
 --shadow-md:0 14px 34px rgba(16,20,43,.10);
 --shadow-lg:0 26px 64px rgba(16,20,43,.18);
 --container:1180px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(53,224,209,.7);outline-offset:3px;border-radius:8px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:120;
 padding:14px 0 6px;
 background:linear-gradient(180deg,rgba(10,13,30,.72),rgba(10,13,30,0));
 pointer-events:none;
}
.nav-pill{
 position:relative;
 display:flex;align-items:center;gap:16px;
 padding:10px 12px 10px 22px;
 border-radius:var(--radius-pill);
 background:rgba(16,20,43,.92);
 border:1px solid rgba(255,255,255,.1);
 box-shadow:0 16px 40px rgba(10,13,30,.28);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 pointer-events:auto;
}
.brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:1rem;letter-spacing:.02em;
 white-space:nowrap;
}
.brand::before{
 content:"";width:10px;height:10px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold),var(--cyan));
 box-shadow:0 0 14px rgba(255,180,0,.85);
 flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 display:block;padding:8px 16px;border-radius:var(--radius-pill);
 font-size:.93rem;color:rgba(255,255,255,.76);
 transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
 white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-links a.active{
 color:#1a1508;font-weight:800;
 background:linear-gradient(135deg,#ffcb4d,var(--gold));
 box-shadow:0 8px 20px rgba(255,180,0,.36);
}
.nav-toggle{
 display:none;margin-left:auto;
 width:44px;height:44px;border-radius:50%;
 border:1px solid rgba(255,255,255,.18);
 background:rgba(255,255,255,.08);
 color:#fff;font-size:1.1rem;line-height:1;
 align-items:center;justify-content:center;
 cursor:pointer;transition:background .22s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 30px;border-radius:var(--radius-pill);
 font-weight:800;font-size:.96rem;line-height:1.2;
 border:1px solid transparent;cursor:pointer;text-align:center;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{
 color:#22190a;
 background:linear-gradient(135deg,#ffcb4d,#ff9d00);
 box-shadow:0 14px 30px rgba(255,157,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,157,0,.44);color:#22190a}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,157,0,.34)}
.btn-ghost{
 color:#fff;border-color:rgba(255,255,255,.34);
 background:rgba(255,255,255,.07);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,180,0,.7);transform:translateY(-2px);color:#fff}
.btn-dark{
 color:#fff;background:linear-gradient(135deg,#2b3363,var(--navy));
 box-shadow:0 14px 30px rgba(26,31,61,.28);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(26,31,61,.36);color:#fff}
/* ---------- hero ---------- */
.hero{
 position:relative;overflow:hidden;
 margin-top:-84px;padding:150px 0 72px;
 color:#fff;background:var(--ink);
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.4;filter:saturate(.85)}
.hero::after{
 content:"";position:absolute;inset:0;z-index:1;
 background:
 radial-gradient(900px 420px at 12% 0%,rgba(255,180,0,.24),transparent 62%),
 radial-gradient(760px 380px at 88% 20%,rgba(53,224,209,.18),transparent 66%),
 linear-gradient(158deg,rgba(16,20,43,.94),rgba(26,31,61,.86) 52%,rgba(12,16,34,.96));
}
.hero-inner{position:relative;z-index:2}
.hero-page{padding:126px 0 68px}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center}
.hero-tag{
 display:inline-block;
 transform:rotate(-2deg);
 padding:7px 18px;margin-bottom:22px;
 border-radius:8px;
 background:linear-gradient(135deg,#ffd05a,var(--gold));
 color:#231a06;font-weight:800;font-size:.84rem;letter-spacing:.08em;
 box-shadow:0 12px 26px rgba(255,180,0,.32);
}
.hero h1{
 font-size:clamp(1.85rem,4.2vw,2.9rem);
 margin-bottom:.45em;
 color:#fff;
 text-shadow:0 10px 34px rgba(0,0,0,.35);
}
.hero h1 .hl{color:var(--gold);white-space:nowrap}
.hero-lead{
 max-width:690px;
 font-size:1.02rem;color:rgba(255,255,255,.84);
 margin-bottom:1.7em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{
 display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
 margin-top:44px;
}
.stat{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius);
 padding:14px 16px;
 backdrop-filter:blur(6px);
}
.stat b{display:block;color:var(--gold);font-size:1.34rem;line-height:1.4;font-weight:800}
.stat span{font-size:.82rem;color:rgba(255,255,255,.66);display:block}
/* code panel */
.code-card{
 background:rgba(9,12,28,.8);
 border:1px solid rgba(255,255,255,.14);
 border-radius:16px;
 overflow:hidden;
 box-shadow:var(--shadow-lg);
 backdrop-filter:blur(10px);
}
.code-head{
 display:flex;align-items:center;gap:8px;
 padding:12px 16px;
 border-bottom:1px solid rgba(255,255,255,.1);
 background:rgba(255,255,255,.05);
}
.code-head .dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.28)}
.code-head .dot.g{background:var(--gold)}
.code-head .dot.c{background:var(--cyan)}
.code-head span.t{margin-left:auto;font-size:.78rem;letter-spacing:.1em;color:rgba(255,255,255,.5)}
.code-body{
 padding:18px 20px 22px;
 font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
 font-size:.84rem;line-height:2.05;
 color:rgba(255,255,255,.8);
 white-space:pre-wrap;
 word-break:break-word;
}
.code-body .k{color:var(--cyan)}
.code-body .v{color:var(--gold)}
.code-body .c{color:rgba(255,255,255,.42)}
/* ---------- section base ---------- */
.section{padding:78px 0}
.section--surface{background:var(--surface)}
.section--alt{background:#eef0f8}
.section--dark{background:linear-gradient(160deg,#141936,#1a1f3d 70%,#10142b);color:#fff}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:42px}
.section-head.tight{margin-bottom:30px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.78rem;font-weight:800;letter-spacing:.16em;
 color:var(--gold-deep);text-transform:uppercase;
}
.section--dark .eyebrow{color:var(--gold)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.section-title{font-size:clamp(1.42rem,2.6vw,2.02rem);margin:.4em 0 .5em}
.section-desc{color:var(--muted);font-size:1rem;margin:0}
.section--dark .section-desc{color:rgba(255,255,255,.74)}
.grid{display:grid;gap:22px}
/* ---------- panel ---------- */
.panel{
 height:100%;
 padding:28px 26px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.panel h3{font-size:1.06rem;margin-bottom:10px}
.panel p{color:var(--muted);font-size:.94rem}
.panel .icon{
 width:46px;height:46px;border-radius:12px;
 display:flex;align-items:center;justify-content:center;
 margin-bottom:16px;
 background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(53,224,209,.16));
 border:1px solid rgba(255,180,0,.28);
 color:var(--gold-deep);font-weight:900;font-size:1.05rem;
}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:var(--radius-pill);
 font-size:.76rem;font-weight:700;letter-spacing:.04em;
 background:rgba(255,180,0,.14);
 color:var(--gold-deep);
 border:1px solid rgba(255,180,0,.3);
}
.tag--cyan{background:rgba(53,224,209,.14);color:#137c73;border-color:rgba(53,224,209,.36)}
.tag--ink{background:rgba(26,31,61,.08);color:var(--ink-soft);border-color:rgba(26,31,61,.16)}
/* ---------- chain ---------- */
.chain{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.chain-item{
 position:relative;
 padding:26px 22px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.chain-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.chain-item .num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,#ffcb4d,#ff9d00);
 color:#231a06;font-weight:900;font-size:.95rem;
 margin-bottom:14px;
}
.chain-item h3{font-size:1rem;margin-bottom:8px}
.chain-item p{color:var(--muted);font-size:.9rem}
/* ---------- mode cards ---------- */
.mode-card{
 display:flex;flex-direction:column;height:100%;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.mode-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.mode-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mode-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.mode-card h3{font-size:1.04rem}
.mode-card p{color:var(--muted);font-size:.92rem;flex:1}
/* ---------- phase rows ---------- */
.phase-list{display:grid;gap:12px}
.phase-row{
 display:grid;grid-template-columns:160px 1fr 1fr;gap:20px;align-items:start;
 padding:20px 24px;
 background:var(--surface);
 border:1px solid var(--line);
 border-left:4px solid var(--gold);
 border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.phase-row:hover{box-shadow:var(--shadow-md);transform:translateX(3px)}
.phase-row strong{font-size:.98rem;color:var(--ink-soft)}
.phase-row span{font-size:.92rem;color:var(--muted)}
.phase-row .key{color:var(--gold-deep);font-weight:700}
/* ---------- myth ---------- */
.myth-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.myth{
 padding:24px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.myth:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.myth .label{
 display:inline-block;margin-bottom:10px;
 font-size:.76rem;font-weight:800;letter-spacing:.08em;
 padding:3px 10px;border-radius:6px;
}
.myth.bad .label{background:rgba(26,31,61,.08);color:#5a6280}
.myth.good .label{background:rgba(255,180,0,.16);color:var(--gold-deep)}
.myth h3{font-size:1rem;margin-bottom:8px}
.myth p{color:var(--muted);font-size:.93rem}
/* ---------- checklist ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.check-item{
 display:flex;gap:12px;align-items:flex-start;
 padding:15px 18px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:10px;
 font-size:.94rem;
 box-shadow:var(--shadow-sm);
}
.check-item i{
 display:inline-flex;align-items:center;justify-content:center;
 width:22px;height:22px;flex:none;border-radius:50%;
 background:linear-gradient(135deg,#ffcb4d,#ff9d00);
 color:#231a06;font-style:normal;font-weight:900;font-size:.76rem;
 margin-top:2px;
}
.check-item b{font-weight:700;color:var(--ink-soft)}
.check-item span{display:block;color:var(--muted);font-size:.86rem}
/* ---------- posts ---------- */
.post-card{
 display:flex;flex-direction:column;gap:10px;height:100%;
 padding:22px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);color:inherit}
.post-card h3{font-size:1.02rem;line-height:1.5}
.post-card p{color:var(--muted);font-size:.9rem;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:.78rem;color:var(--muted);align-items:center}
.post-meta span{padding:2px 10px;border-radius:var(--radius-pill);background:rgba(26,31,61,.06)}
.empty-note{
 padding:26px;background:var(--surface);border:1px dashed var(--line);
 border-radius:var(--radius);color:var(--muted);text-align:center;
}
/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq details{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 overflow:hidden;
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq details:hover{border-color:rgba(255,180,0,.45);box-shadow:var(--shadow-md)}
.faq summary{
 list-style:none;cursor:pointer;
 padding:18px 22px;font-weight:700;font-size:.98rem;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 color:var(--ink-soft);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold-deep);font-size:1.4rem;line-height:1;font-weight:700}
.faq details[open] summary::after{content:"−"}
.faq .answer{padding:0 22px 20px;color:var(--muted);font-size:.94rem}
/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
 padding:44px 46px;
 border-radius:var(--radius-lg);
 background:linear-gradient(135deg,#1a1f3d,#10142b 68%,#1d2450);
 color:#fff;
 box-shadow:var(--shadow-lg);
}
.cta-band::before{
 content:"";position:absolute;width:340px;height:340px;right:-90px;top:-140px;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);
}
.cta-band::after{
 content:"";position:absolute;width:280px;height:280px;left:-80px;bottom:-160px;
 background:radial-gradient(circle,rgba(53,224,209,.24),transparent 70%);
}
.cta-band .cta-copy{position:relative;z-index:2;max-width:620px}
.cta-band h2{color:#fff;font-size:clamp(1.3rem,2.4vw,1.72rem);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.76);font-size:.96rem;margin:0}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{
 background:#0d1128;
 color:rgba(255,255,255,.7);
 padding:64px 0 26px;
 margin-top:0;
}
.footer-grid{
 display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px;
 padding-bottom:36px;
}
.footer-brand{
 color:#fff;font-weight:800;font-size:1.1rem;margin-bottom:12px;
 display:flex;align-items:center;gap:9px;
}
.footer-brand::before{
 content:"";width:10px;height:10px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold),var(--cyan));
 box-shadow:0 0 12px rgba(255,180,0,.7);
 flex:none;
}
.site-footer p{font-size:.92rem;color:rgba(255,255,255,.6);max-width:420px}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:14px;letter-spacing:.04em}
.footer-col a{
 display:block;padding:6px 0;
 font-size:.92rem;color:rgba(255,255,255,.62);
 transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
 padding-top:22px;
 border-top:1px solid rgba(255,255,255,.12);
 font-size:.84rem;color:rgba(255,255,255,.46);
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-page{padding:118px 0 62px}
 .chain{grid-template-columns:repeat(2,1fr)}
 .phase-row{grid-template-columns:130px 1fr 1fr;gap:14px}
 .section{padding:64px 0}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:991px){
 .nav-toggle{display:flex}
 .nav-links{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  margin-left:0;padding:12px;
  background:rgba(16,20,43,.98);
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  box-shadow:var(--shadow-lg);
  display:none;
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:11px 16px;text-align:center}
 .brand{font-size:.94rem;white-space:normal}
}
@media (max-width:768px){
 .hero-stats{grid-template-columns:repeat(2,1fr)}
 .myth-grid{grid-template-columns:1fr}
 .check-list{grid-template-columns:1fr}
 .phase-row{grid-template-columns:1fr;gap:6px}
 .cta-band{padding:34px 26px}
 .section-head{margin-bottom:30px}
 .code-body{font-size:.78rem;line-height:1.95}
}
@media (max-width:520px){
 .hero{margin-top:-84px;padding:118px 0 56px}
 .hero-page{padding:112px 0 54px}
 .hero-actions .btn{width:100%}
 .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
 .stat b{font-size:1.16rem}
 .chain{grid-template-columns:1fr}
 .container{padding:0 16px}
 .nav-pill{padding:10px 12px 10px 16px}
 .section{padding:52px 0}
 .panel{padding:22px 20px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .cta-band .cta-actions{width:100%}
 .cta-band .cta-actions .btn{flex:1}
}

/* roulang page: category2 */
:root{
 --ink:#10142b;
 --ink-soft:#1a1f3d;
 --navy:#232a52;
 --gold:#ffb400;
 --gold-deep:#d99400;
 --gold-soft:#ffe7b0;
 --cyan:#35e0d1;
 --warn:#ff7a59;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b2038;
 --muted:#6d7590;
 --line:#e5e8f3;
 --radius:12px;
 --radius-lg:20px;
 --radius-pill:999px;
 --shadow-sm:0 2px 10px rgba(16,20,43,.06);
 --shadow-md:0 14px 34px rgba(16,20,43,.10);
 --shadow-lg:0 26px 64px rgba(16,20,43,.18);
 --container:1180px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;color:inherit}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(255,180,0,.7);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:120;
 padding:14px 0 6px;
 background:linear-gradient(180deg,rgba(10,13,30,.72),rgba(10,13,30,0));
 pointer-events:none;
}
.nav-pill{
 position:relative;
 display:flex;align-items:center;gap:16px;
 padding:10px 12px 10px 22px;
 border-radius:var(--radius-pill);
 background:rgba(16,20,43,.92);
 border:1px solid rgba(255,255,255,.1);
 box-shadow:0 16px 40px rgba(10,13,30,.28);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 pointer-events:auto;
}
.brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:1rem;letter-spacing:.02em;
 white-space:nowrap;
}
.brand::before{
 content:"";width:10px;height:10px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold),var(--cyan));
 box-shadow:0 0 14px rgba(255,180,0,.85);
 flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;list-style:none;padding:0}
.nav-links a{
 display:block;padding:8px 16px;border-radius:var(--radius-pill);
 font-size:.93rem;color:rgba(255,255,255,.76);
 transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
 white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-links a.active{
 color:#1a1508;font-weight:800;
 background:linear-gradient(135deg,#ffcb4d,var(--gold));
 box-shadow:0 8px 20px rgba(255,180,0,.36);
}
.nav-toggle{
 display:none;margin-left:auto;
 width:44px;height:44px;border-radius:50%;
 border:1px solid rgba(255,255,255,.18);
 background:rgba(255,255,255,.08);
 color:#fff;font-size:1.1rem;line-height:1;
 align-items:center;justify-content:center;
 cursor:pointer;transition:background .22s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 30px;border-radius:var(--radius-pill);
 font-weight:800;font-size:.96rem;line-height:1.2;
 border:1px solid transparent;cursor:pointer;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{
 color:#22190a;
 background:linear-gradient(135deg,#ffcb4d,#ff9d00);
 box-shadow:0 14px 30px rgba(255,157,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,157,0,.44);color:#22190a}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,157,0,.34)}
.btn-ghost{
 color:#fff;border-color:rgba(255,255,255,.34);
 background:rgba(255,255,255,.07);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,180,0,.7);transform:translateY(-2px);color:#fff}
.btn-dark{
 color:#fff;background:linear-gradient(135deg,#2b3363,var(--navy));
 box-shadow:0 14px 30px rgba(26,31,61,.28);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(26,31,61,.36);color:#fff}

/* ---------- category hero ---------- */
.cat-hero{
 position:relative;overflow:hidden;
 margin-top:-84px;padding:150px 0 76px;
 color:#fff;background:var(--ink);
}
.cat-hero-media{position:absolute;inset:0;z-index:0}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.42;filter:saturate(.9)}
.cat-hero::after{
 content:"";position:absolute;inset:0;z-index:1;
 background:
 radial-gradient(820px 400px at 8% 4%,rgba(255,180,0,.24),transparent 60%),
 radial-gradient(700px 360px at 92% 12%,rgba(53,224,209,.2),transparent 64%),
 linear-gradient(150deg,rgba(16,20,43,.95),rgba(26,31,61,.88) 55%,rgba(12,16,34,.96));
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:52px;align-items:center}
.hero-tag{
 display:inline-block;
 transform:rotate(-2deg);
 padding:7px 18px;margin-bottom:22px;
 border-radius:8px;
 background:linear-gradient(135deg,#ffd05a,var(--gold));
 color:#231a06;font-weight:800;font-size:.84rem;letter-spacing:.08em;
 box-shadow:0 12px 26px rgba(255,180,0,.32);
}
.cat-hero h1{
 font-size:clamp(1.78rem,3.6vw,2.7rem);
 margin-bottom:.5em;
 text-shadow:0 10px 34px rgba(0,0,0,.35);
}
.cat-hero h1 .hl{color:var(--gold)}
.hero-lead{
 max-width:660px;
 font-size:1rem;color:rgba(255,255,255,.84);
 margin-bottom:1.6em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.fact-panel{
 padding:28px 26px;
 border-radius:var(--radius-lg);
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 box-shadow:var(--shadow-lg);
 backdrop-filter:blur(12px);
 -webkit-backdrop-filter:blur(12px);
}
.fact-panel h2{font-size:1rem;letter-spacing:.06em;color:var(--gold);margin-bottom:6px}
.fact-panel .fact-note{font-size:.82rem;color:rgba(255,255,255,.62);margin:0 0 8px}
.fact-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.16)}
.fact-row:last-child{border-bottom:0;padding-bottom:0}
.fact-row span{font-size:.9rem;color:rgba(255,255,255,.72)}
.fact-row strong{font-size:1.24rem;color:#fff;font-weight:800}
.fact-row strong em{font-style:normal;color:var(--gold)}

/* ---------- section base ---------- */
.section{padding:78px 0;position:relative}
.section--surface{background:var(--surface)}
.section--alt{background:#eef0f8}
.section--dark{background:linear-gradient(160deg,#141936,#1a1f3d 70%,#10142b);color:#fff}
.section-head{max-width:760px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.78rem;font-weight:800;letter-spacing:.16em;
 color:var(--gold-deep);text-transform:uppercase;
}
.section--dark .eyebrow{color:var(--gold)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.section-title{font-size:clamp(1.42rem,2.6vw,2.02rem);margin:.4em 0 .5em}
.section-desc{color:var(--muted);font-size:1rem}
.section--dark .section-desc{color:rgba(255,255,255,.74)}

/* ---------- grid ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- panel / cards ---------- */
.panel{
 height:100%;
 padding:28px 26px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55)}
.panel h3{font-size:1.08rem;margin:14px 0 10px}
.panel p{color:var(--muted);font-size:.94rem}
.card-num{
 display:inline-flex;align-items:center;justify-content:center;
 min-width:38px;height:38px;padding:0 10px;
 border-radius:12px;
 background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(53,224,209,.18));
 border:1px solid rgba(255,180,0,.4);
 color:var(--gold-deep);font-weight:800;font-size:.9rem;letter-spacing:.04em;
}
.section--dark .panel{
 background:rgba(255,255,255,.06);
 border-color:rgba(255,255,255,.14);
 box-shadow:none;
}
.section--dark .panel:hover{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.09)}
.section--dark .panel p{color:rgba(255,255,255,.74)}
.section--dark .card-num{color:var(--gold);border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.12)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:46px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.split-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.split-media:hover img{transform:scale(1.04)}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(16,20,43,0) 40%,rgba(16,20,43,.55));pointer-events:none}
.media-badge{
 position:absolute;left:18px;bottom:18px;z-index:2;
 padding:7px 15px;border-radius:var(--radius-pill);
 background:rgba(16,20,43,.82);border:1px solid rgba(255,180,0,.45);
 color:var(--gold);font-size:.8rem;font-weight:800;letter-spacing:.06em;
}
.signal-list{list-style:none;display:grid;gap:16px;margin-top:22px}
.signal-list li{
 position:relative;padding:16px 18px 16px 52px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);font-size:.95rem;color:var(--text);
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.signal-list li:hover{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-md);transform:translateX(3px)}
.signal-list li::before{
 content:"";position:absolute;left:20px;top:22px;
 width:14px;height:14px;border-radius:4px;
 background:linear-gradient(135deg,#ffcb4d,var(--gold));
 box-shadow:0 0 0 4px rgba(255,180,0,.16);
}
.signal-list strong{color:var(--ink-soft)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.flow-item{
 position:relative;padding:28px 22px 26px;
 border-radius:var(--radius);
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 transition:transform .26s var(--ease),border-color .26s var(--ease),background .26s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.09)}
.flow-step{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:50%;
 background:linear-gradient(135deg,#ffcb4d,var(--gold));color:#231a06;
 font-weight:800;font-size:.86rem;margin-bottom:14px;
}
.flow-item h3{font-size:1.02rem;margin-bottom:8px;color:#fff}
.flow-item p{font-size:.9rem;color:rgba(255,255,255,.72)}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-card{
 padding:30px 28px;border-radius:var(--radius-lg);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.compare-card.good{border-top:4px solid var(--cyan)}
.compare-card.risk{border-top:4px solid var(--warn)}
.compare-card h3{font-size:1.14rem;margin-bottom:6px}
.compare-card .compare-sub{font-size:.86rem;color:var(--muted);margin-bottom:16px}
.compare-list{list-style:none;display:grid;gap:11px}
.compare-list li{position:relative;padding-left:26px;font-size:.94rem;color:var(--text)}
.compare-list li::before{
 content:"›";position:absolute;left:6px;top:-1px;
 color:var(--gold-deep);font-weight:800;font-size:1.1rem;
}
.compare-card.risk .compare-list li::before{color:var(--warn);content:"×"}

/* ---------- dot list ---------- */
.dot-list{list-style:none;display:grid;gap:14px}
.dot-list li{
 position:relative;padding:18px 20px 18px 54px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);font-size:.95rem;
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.dot-list li:hover{border-color:rgba(255,122,89,.55);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.dot-list li::before{
 content:"!";
 position:absolute;left:20px;top:19px;
 width:20px;height:20px;border-radius:50%;
 background:linear-gradient(135deg,#ffcb4d,var(--gold));
 color:#231a06;font-size:.72rem;font-weight:800;
 display:flex;align-items:center;justify-content:center;line-height:1;
}
.dot-list strong{color:var(--ink-soft)}

/* ---------- post list ---------- */
.post-card{
 display:flex;flex-direction:column;height:100%;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5)}
.post-card-top{height:4px;background:linear-gradient(90deg,var(--gold),var(--cyan))}
.post-card-body{padding:24px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.8rem;color:var(--muted)}
.post-meta span{
 padding:3px 10px;border-radius:var(--radius-pill);
 background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.28);
 color:var(--gold-deep);font-weight:700;
}
.post-card h3{font-size:1.02rem;line-height:1.55;margin:0}
.post-card h3 a:hover{color:var(--gold-deep)}
.post-summary{font-size:.9rem;color:var(--muted);margin:0}
.empty-note{
 padding:34px 26px;border-radius:var(--radius);
 background:var(--surface);border:1px dashed var(--line);
 color:var(--muted);text-align:center;font-size:.95rem;
}

/* ---------- faq ---------- */
.faq-item{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:22px 24px;margin-bottom:14px;
 box-shadow:var(--shadow-sm);
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-md)}
.faq-item h3{font-size:1rem;margin-bottom:8px;color:var(--ink-soft)}
.faq-item p{color:var(--muted);font-size:.94rem}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 padding:46px 48px;border-radius:var(--radius-lg);
 background:linear-gradient(135deg,#1a1f3d,#2b3363 60%,#141936);
 color:#fff;box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:minmax(0,1.4fr) auto;gap:30px;align-items:center;
}
.cta-band::after{
 content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.35),transparent 68%);
 pointer-events:none;
}
.cta-band h2{font-size:clamp(1.3rem,2.4vw,1.72rem);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:.96rem;max-width:640px}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{
 background:linear-gradient(180deg,#12162f,#0b0e21);
 color:rgba(255,255,255,.72);
 padding:60px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand{color:#fff;font-weight:800;font-size:1.08rem;margin-bottom:12px}
.footer-grid p{font-size:.92rem;color:rgba(255,255,255,.62);max-width:420px}
.footer-col h4{font-size:.94rem;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col a{display:block;font-size:.92rem;color:rgba(255,255,255,.62);padding:5px 0;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 font-size:.84rem;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .cat-hero-inner{grid-template-columns:1fr;gap:36px}
 .grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
 .split{grid-template-columns:1fr;gap:30px}
 .cta-band{grid-template-columns:1fr;padding:38px 34px}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex}
 .nav-pill{flex-wrap:wrap;padding:10px 12px 10px 16px;align-items:center;border-radius:24px}
 .nav-links{
   display:none;flex-direction:column;align-items:stretch;gap:6px;
   width:100%;margin:10px 0 4px;padding-top:10px;
   border-top:1px solid rgba(255,255,255,.12);
 }
 .nav-pill.nav-open .nav-links{display:flex}
 .nav-links a{padding:11px 16px;font-size:.95rem;border-radius:14px}
 .brand{font-size:.95rem;white-space:normal}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .cat-hero{padding:126px 0 58px;margin-top:-78px}
 .grid-2,.grid-3,.grid-4,.flow,.compare{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:26px}
 .section-head{margin-bottom:30px}
 .fact-panel{padding:22px 20px}
}
@media (max-width:520px){
 .cat-hero{padding:118px 0 50px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .hero-actions .btn{width:100%}
 .btn{padding:13px 22px;font-size:.92rem}
 .panel,.compare-card{padding:22px 20px}
 .cta-band{padding:30px 22px}
 .cta-band .cta-actions{width:100%}
 .cta-band .cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
 --ink:#10142b;
 --ink-soft:#1a1f3d;
 --navy:#232a52;
 --gold:#ffb400;
 --gold-deep:#d99400;
 --gold-soft:#ffe7b0;
 --cyan:#35e0d1;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b2038;
 --muted:#6d7590;
 --line:#e5e8f3;
 --radius:12px;
 --radius-lg:20px;
 --radius-pill:999px;
 --shadow-sm:0 2px 10px rgba(16,20,43,.06);
 --shadow-md:0 14px 34px rgba(16,20,43,.10);
 --shadow-lg:0 26px 64px rgba(16,20,43,.18);
 --container:1180px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--gold);color:#22190a}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:120;
 padding:14px 0 6px;
 background:linear-gradient(180deg,rgba(10,13,30,.72),rgba(10,13,30,0));
 pointer-events:none;
}
.nav-pill{
 position:relative;
 display:flex;align-items:center;gap:16px;
 padding:10px 12px 10px 22px;
 border-radius:var(--radius-pill);
 background:rgba(16,20,43,.92);
 border:1px solid rgba(255,255,255,.1);
 box-shadow:0 16px 40px rgba(10,13,30,.28);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 pointer-events:auto;
}
.brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:1rem;letter-spacing:.02em;
 white-space:nowrap;
}
.brand::before{
 content:"";width:10px;height:10px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold),var(--cyan));
 box-shadow:0 0 14px rgba(255,180,0,.85);
 flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links li{list-style:none}
.nav-links a{
 display:block;padding:8px 16px;border-radius:var(--radius-pill);
 font-size:.93rem;color:rgba(255,255,255,.76);
 transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
 white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-links a.active{
 color:#1a1508;font-weight:800;
 background:linear-gradient(135deg,#ffcb4d,var(--gold));
 box-shadow:0 8px 20px rgba(255,180,0,.36);
}
.nav-links a.active:hover{background:linear-gradient(135deg,#ffcb4d,var(--gold));color:#1a1508}
.nav-toggle{
 display:none;margin-left:auto;
 width:44px;height:44px;border-radius:50%;
 border:1px solid rgba(255,255,255,.18);
 background:rgba(255,255,255,.08);
 color:#fff;font-size:1.1rem;line-height:1;
 align-items:center;justify-content:center;
 cursor:pointer;transition:background .22s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.16)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 30px;border-radius:var(--radius-pill);
 font-weight:800;font-size:.96rem;line-height:1.2;
 border:1px solid transparent;cursor:pointer;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-gold{
 color:#22190a;
 background:linear-gradient(135deg,#ffcb4d,#ff9d00);
 box-shadow:0 14px 30px rgba(255,157,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,157,0,.44);color:#22190a}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,157,0,.34)}
.btn-ghost{
 color:#fff;border-color:rgba(255,255,255,.34);
 background:rgba(255,255,255,.07);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,180,0,.7);transform:translateY(-2px)}
.btn-dark{
 color:#fff;background:linear-gradient(135deg,#2b3363,var(--navy));
 box-shadow:0 14px 30px rgba(26,31,61,.28);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(26,31,61,.36);color:#fff}

/* ---------- hero ---------- */
.hero{
 position:relative;overflow:hidden;
 margin-top:-84px;padding:150px 0 72px;
 color:#fff;background:var(--ink);
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.38;filter:saturate(.85)}
.hero::after{
 content:"";position:absolute;inset:0;z-index:1;
 background:
 radial-gradient(900px 420px at 12% 0%,rgba(255,180,0,.24),transparent 62%),
 radial-gradient(760px 380px at 88% 20%,rgba(53,224,209,.18),transparent 66%),
 linear-gradient(158deg,rgba(16,20,43,.94),rgba(26,31,61,.86) 52%,rgba(12,16,34,.96));
}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-tag{
 display:inline-block;transform:rotate(-2deg);
 padding:7px 18px;margin-bottom:22px;border-radius:8px;
 background:linear-gradient(135deg,#ffd05a,var(--gold));
 color:#231a06;font-weight:800;font-size:.84rem;letter-spacing:.08em;
 box-shadow:0 12px 26px rgba(255,180,0,.32);
}
.hero h1{
 font-size:clamp(1.9rem,4.2vw,2.95rem);
 line-height:1.3;margin-bottom:.5em;
 text-shadow:0 10px 34px rgba(0,0,0,.35);
}
.hero h1 .hl{color:var(--gold)}
.hero-lead{
 max-width:640px;font-size:1.02rem;color:rgba(255,255,255,.84);
 margin-bottom:1.8em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.quick-card{
 display:block;padding:20px 18px;border-radius:14px;
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 transition:transform .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.quick-card:hover{
 transform:translateY(-4px);
 background:rgba(255,180,0,.12);
 border-color:rgba(255,180,0,.55);
 box-shadow:0 18px 34px rgba(0,0,0,.3);
}
.quick-card .qk{display:block;color:var(--gold);font-size:.75rem;letter-spacing:.14em;font-weight:800}
.quick-card h3{font-size:1rem;margin:7px 0 5px;color:#fff}
.quick-card p{font-size:.83rem;line-height:1.6;color:rgba(255,255,255,.66);margin:0}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}
.stat{
 padding:18px 20px;border-radius:14px;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.12);
 transition:background .24s var(--ease),transform .24s var(--ease);
}
.stat:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.stat b{display:block;font-size:1.55rem;color:var(--gold);line-height:1.25;font-weight:900}
.stat span{font-size:.85rem;color:rgba(255,255,255,.7)}

/* ---------- section base ---------- */
.section{padding:78px 0}
.section--surface{background:var(--surface)}
.section--alt{background:#eef0f8}
.section-head{max-width:760px;margin-bottom:42px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:.78rem;font-weight:800;letter-spacing:.16em;
 color:var(--gold-deep);
}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.section-title{font-size:clamp(1.42rem,2.6vw,2.02rem);line-height:1.4;margin:.4em 0 .5em;color:var(--ink-soft)}
.section-desc{color:var(--muted);font-size:1rem;margin:0}

/* ---------- split / figure ---------- */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:46px;align-items:center}
.figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.figure:hover img{transform:scale(1.04)}
.figure::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(16,20,43,0) 45%,rgba(16,20,43,.55));
}
.figure-cap{
 position:absolute;left:22px;bottom:20px;z-index:2;
 color:#fff;font-size:.86rem;letter-spacing:.04em;
}
.def-list{display:grid;gap:14px}
.def-item{
 display:flex;gap:16px;padding:20px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.def-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.4)}
.def-item .num{
 flex:none;width:38px;height:38px;border-radius:10px;
 display:grid;place-items:center;font-weight:900;font-size:.95rem;color:#22190a;
 background:linear-gradient(135deg,#ffcb4d,var(--gold));
}
.def-item h3{font-size:1rem;margin:0 0 5px;color:var(--ink-soft)}
.def-item p{margin:0;font-size:.92rem;color:var(--muted);line-height:1.72}

/* ---------- table ---------- */
.table-scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.rule-table{width:100%;min-width:720px;border-collapse:separate;border-spacing:0;background:var(--surface);border:1px solid var(--line)}
.rule-table thead th{
 background:var(--ink-soft);color:#fff;
 font-size:.85rem;font-weight:700;letter-spacing:.05em;
 padding:15px 18px;text-align:left;white-space:nowrap;
}
.rule-table tbody td{
 padding:15px 18px;border-top:1px solid var(--line);
 font-size:.93rem;color:var(--text);vertical-align:top;line-height:1.7;
}
.rule-table tbody tr{transition:background .2s var(--ease)}
.rule-table tbody tr:hover td{background:#fffaf0}
.rule-table td:first-child{font-weight:800;color:var(--navy);white-space:nowrap}
.rule-table td:last-child{color:var(--muted)}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
 padding:28px 26px;border-radius:var(--radius-lg);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
}
.compare-col.bad{background:#f7f8fc;border-color:#e2e6f2}
.compare-col.good{background:#fffdf6;border-color:rgba(255,180,0,.42)}
.compare-col h3{font-size:1.06rem;margin:0 0 18px;color:var(--ink-soft);display:flex;align-items:center;gap:9px}
.compare-col.bad h3::before{content:"✕";color:#9aa1b8;font-size:.9rem}
.compare-col.good h3::before{content:"✓";color:var(--gold-deep);font-size:.95rem}
.compare-col ul{display:grid;gap:14px}
.compare-col li{
 position:relative;padding-left:22px;font-size:.94rem;line-height:1.72;color:var(--text);
}
.compare-col li::before{
 content:"";position:absolute;left:0;top:.62em;
 width:8px;height:8px;border-radius:50%;background:#c3c9dd;
}
.compare-col.good li::before{background:linear-gradient(135deg,#ffcb4d,var(--gold))}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-step{
 position:relative;padding:26px 22px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45)}
.flow-step .step-no{
 display:block;font-size:2rem;font-weight:900;line-height:1;
 color:rgba(26,31,61,.12);margin-bottom:12px;
}
.flow-step h3{font-size:1rem;margin:0 0 7px;color:var(--ink-soft)}
.flow-step p{margin:0;font-size:.89rem;color:var(--muted);line-height:1.7}

/* ---------- terms ---------- */
.term-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.term{
 padding:24px 22px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.term:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.term h3{font-size:1rem;margin:0 0 8px;color:var(--navy);display:flex;align-items:center;gap:8px}
.term h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none}
.term p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.75}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
 height:100%;display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
 overflow:hidden;
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.4)}
.post-card .pc-top{
 height:6px;
 background:linear-gradient(90deg,var(--gold),var(--cyan));
 opacity:.85;
}
.post-card .pc-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.pc-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:.76rem;color:var(--muted)}
.pc-tag{
 display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);
 background:rgba(255,180,0,.14);color:var(--gold-deep);font-weight:800;
}
.post-card h3{font-size:1.02rem;line-height:1.55;margin:0;color:var(--ink-soft)}
.post-card h3 a{transition:color .2s var(--ease)}
.post-card h3 a:hover{color:var(--gold-deep)}
.post-card p{font-size:.88rem;color:var(--muted);margin:0;line-height:1.7}
.empty-note{
 padding:34px 26px;border-radius:var(--radius);
 background:var(--surface);border:1px dashed var(--line);
 color:var(--muted);font-size:.95rem;text-align:center;
}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:46px;align-items:start}
.faq-aside .section-desc{margin-top:14px}
.faq-aside .aside-note{
 margin-top:22px;padding:18px 20px;border-radius:var(--radius);
 background:#fffaf0;border:1px solid rgba(255,180,0,.35);
 font-size:.88rem;color:#7a5c10;line-height:1.75;
}
.faq-item{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
 margin-bottom:12px;overflow:hidden;
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:rgba(255,180,0,.4);box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 22px;
 font-weight:700;font-size:.98rem;color:var(--ink-soft);
 display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";color:var(--gold-deep);font-size:1.3rem;font-weight:700;line-height:1;flex:none;
 transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:.93rem;line-height:1.78}

/* ---------- cta ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:52px;
 display:grid;grid-template-columns:1.35fr auto;gap:34px;align-items:center;
 color:#fff;box-shadow:var(--shadow-lg);
 background:linear-gradient(135deg,#1a1f3d,#2b3363);
}
.cta-band .cta-media{position:absolute;inset:0;z-index:0}
.cta-band .cta-media img{width:100%;height:100%;object-fit:cover;opacity:.22}
.cta-band::after{
 content:"";position:absolute;inset:0;z-index:1;
 background:linear-gradient(120deg,rgba(16,20,43,.9),rgba(26,31,61,.72));
}
.cta-inner{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.35rem,2.4vw,1.9rem);margin:0 0 12px;line-height:1.4}
.cta-band p{margin:0;color:rgba(255,255,255,.8);font-size:.96rem;max-width:620px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand{color:#fff;font-weight:800;font-size:1.1rem;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.footer-brand::before{
 content:"";width:9px;height:9px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold),var(--cyan));
 box-shadow:0 0 12px rgba(255,180,0,.8);flex:none;
}
.footer-grid p{font-size:.9rem;line-height:1.85;margin:0;max-width:380px;color:rgba(255,255,255,.62)}
.footer-col h4{color:#fff;font-size:.92rem;margin:0 0 14px;letter-spacing:.06em}
.footer-col a{
 display:block;font-size:.9rem;padding:6px 0;color:rgba(255,255,255,.68);
 transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);
 padding:20px 0;display:flex;justify-content:space-between;
 gap:14px;flex-wrap:wrap;font-size:.84rem;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:38px}
 .split{grid-template-columns:1fr;gap:32px}
 .flow{grid-template-columns:1fr 1fr}
 .post-grid{grid-template-columns:1fr 1fr}
 .term-grid{grid-template-columns:1fr 1fr}
 .faq-wrap{grid-template-columns:1fr;gap:32px}
 .cta-band{grid-template-columns:1fr;padding:40px}
 .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:28px}
}
@media (max-width:820px){
 .site-header{padding:10px 0 4px}
 .nav-pill{flex-wrap:wrap;border-radius:20px;padding:10px 14px}
 .nav-toggle{display:flex}
 .nav-links{
  display:none;width:100%;flex-direction:column;align-items:stretch;
  gap:4px;margin:10px 0 2px;padding-top:10px;
  border-top:1px solid rgba(255,255,255,.12);
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:11px 14px;border-radius:10px;font-size:.95rem}
 .hero{margin-top:-72px;padding:122px 0 58px}
 .stat-strip{grid-template-columns:1fr 1fr}
 .compare{grid-template-columns:1fr}
 .section{padding:56px 0}
}
@media (max-width:560px){
 .hero h1{font-size:1.72rem}
 .hero-lead{font-size:.95rem}
 .hero-actions .btn{width:100%}
 .quick-grid{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:1fr}
 .flow{grid-template-columns:1fr}
 .post-grid{grid-template-columns:1fr}
 .term-grid{grid-template-columns:1fr}
 .section{padding:46px 0}
 .cta-band{padding:30px 22px}
 .cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .def-item{padding:16px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}