/* roulang page: index */
:root{
  --brand:#125e75;
  --brand-600:#0d4a5c;
  --brand-900:#062a36;
  --teal:#17a08a;
  --accent:#f0a63c;
  --accent-600:#d98d21;
  --ink:#0e1c26;
  --text:#34485b;
  --muted:#6b7f92;
  --bg:#f4f7fa;
  --surface:#ffffff;
  --line:#e2e9f0;
  --line-strong:#cbdce7;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(14,28,38,.06),0 6px 18px rgba(14,28,38,.05);
  --shadow-md:0 14px 34px rgba(14,28,38,.13);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15.5px;line-height:1.78;color:var(--text);background:var(--bg)}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.3;letter-spacing:.2px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(240,166,60,.75);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(244,247,250,.92);backdrop-filter:blur(12px);padding:10px 0;transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(14,28,38,.12)}
.nav-panel{display:flex;align-items:center;gap:16px;min-height:62px;padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:var(--brand-900);letter-spacing:.4px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand) 10%,var(--teal) 95%);box-shadow:0 6px 14px rgba(18,94,117,.3)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{display:block;padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--text);transition:background .2s ease,color .2s ease,transform .2s ease}
.nav-links a:hover{background:#edf4f8;color:var(--brand);transform:translateY(-1px)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 16px rgba(18,94,117,.26)}
.nav-cta{margin-left:6px;padding:11px 18px;font-size:14.5px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:42px;border:1px solid var(--line);background:#f4f8fb;border-radius:10px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-600)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--accent);color:#3b2506;box-shadow:0 10px 20px rgba(240,166,60,.32)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,166,60,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);background:#eef6f9;transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;padding:66px 0 62px;background:linear-gradient(155deg,rgba(6,42,54,.94) 12%,rgba(13,74,92,.82) 62%,rgba(23,160,138,.62) 100%),url('/assets/images/99cb876853a7df2b.webp') center center/cover no-repeat;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:120px;background:linear-gradient(180deg,rgba(244,247,250,0),rgba(244,247,250,.16));pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.6px;color:#ffe6bd;background:rgba(240,166,60,.16);border:1px solid rgba(240,166,60,.45)}
.hero h1{margin:18px 0 16px;font-size:clamp(28px,3.5vw,42px);color:#fff;line-height:1.26}
.hero-lead{max-width:600px;font-size:15.5px;line-height:1.85;color:#d7e7ee;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#e3f1f5;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22)}
.pick-card{background:#fff;color:var(--text);border-radius:18px;padding:16px;border:1px solid rgba(255,255,255,.7);box-shadow:0 26px 54px rgba(4,26,34,.38)}
.pick-media{border-radius:12px;overflow:hidden;margin-bottom:14px}
.pick-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pick-card h2{margin:10px 0 12px;font-size:19px}
.pick-list{margin-bottom:16px}
.pick-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;font-size:13.5px;border-bottom:1px dashed var(--line);color:var(--muted)}
.pick-list li:last-child{border-bottom:0}
.pick-list b{color:var(--ink);font-weight:700}

/* ---------- tags ---------- */
.tag{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;background:#e8f2f6;color:var(--brand)}
.tag-accent{background:rgba(240,166,60,.18);color:#8a5a08}

/* ---------- statbar ---------- */
.statbar{background:var(--surface);border-bottom:1px solid var(--line);padding:26px 0}
.statbar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{display:flex;flex-direction:column;gap:4px;padding-left:16px;border-left:3px solid transparent;border-image:linear-gradient(180deg,var(--teal),var(--brand)) 1}
.stat b{font-size:27px;line-height:1.2;color:var(--brand);font-weight:800}
.stat span{font-size:13.5px;color:var(--muted)}

/* ---------- section base ---------- */
.section{padding:72px 0;scroll-margin-top:90px}
.section--alt{background:#eaf1f6}
.section--dark{background:linear-gradient(150deg,#072f3c,#0d4a5c 70%,#125e75);color:#d7e7ee}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#c5dbe4}
.section-head{max-width:740px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--accent)}
.section--dark .eyebrow{color:#8fd6c9}
.section-head h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:14px}
.section-head p{font-size:15px;color:var(--muted);margin:0}
.section--dark .section-head p{color:#b9d3dd}

/* ---------- grids & cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:17px;margin-bottom:9px}
.card-body p{font-size:14px;color:var(--muted);margin-bottom:14px}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}

/* ---------- story ---------- */
.story-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.story-media{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-md);position:relative}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.story-media figcaption{position:absolute;left:14px;bottom:14px;padding:7px 14px;border-radius:999px;background:rgba(6,42,54,.78);color:#e6f3f7;font-size:12.5px;font-weight:600}
.story-list{display:grid;gap:14px;margin-top:22px}
.story-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text)}
.story-list li::before{content:"";position:absolute;left:0;top:11px;width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,var(--teal),var(--brand))}

/* ---------- category matrix ---------- */
.cat-card{display:flex;flex-direction:column;gap:12px;padding:24px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--teal)}
.cat-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#eaf5f4;color:var(--brand)}
.cat-card h3{font-size:17px}
.cat-card p{font-size:14px;color:var(--muted);margin:0}
.cat-card .cat-link{font-size:13.5px;font-weight:700;color:var(--brand)}
.cat-card:hover .cat-link{color:var(--teal)}

/* ---------- play grid ---------- */
.play-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.play-card:hover img{transform:scale(1.04)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding:28px 24px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:-14px;left:22px;font-size:22px;font-weight:800;color:var(--accent);background:var(--bg);padding:0 8px}
.step h3{font-size:16.5px;margin:6px 0 10px}
.step p{font-size:14px;color:var(--muted);margin:0}

/* ---------- rewards ---------- */
.reward-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start}
.reward-list{display:grid;gap:14px}
.reward-item{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:12px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.reward-item img{width:64px;height:64px;border-radius:10px;object-fit:cover;flex:0 0 auto}
.reward-item h4{font-size:15px;margin-bottom:4px}
.reward-item p{font-size:13px;color:var(--muted);margin:0}
.progress-panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px 24px;box-shadow:var(--shadow-sm)}
.progress-row{margin-bottom:20px}
.progress-row:last-child{margin-bottom:0}
.progress-head{display:flex;justify-content:space-between;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.progress-head span{color:var(--teal)}
.bar{height:9px;border-radius:99px;background:#e3ecf2;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--teal),var(--brand))}
.progress-note{margin-top:16px;font-size:13px;color:var(--muted)}

/* ---------- member ---------- */
.member-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.member-item{display:flex;gap:16px;padding:22px;border-radius:var(--radius);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16)}
.member-item .cat-icon{background:rgba(240,166,60,.18);color:var(--accent)}
.member-item h3{font-size:16px;margin-bottom:6px}
.member-item p{font-size:13.5px;margin:0}

/* ---------- changelog ---------- */
.log-list{display:grid;gap:14px}
.log-item{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:18px 20px;border-radius:12px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.log-item time{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.5px}
.log-item h4{font-size:15px;margin-bottom:6px}
.log-item p{font-size:13.5px;color:var(--muted);margin:0}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1.55fr .95fr;gap:28px;align-items:start}
.news-main{display:grid;gap:14px}
.news-item{display:block;padding:20px 22px;border-radius:12px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.news-item h3{font-size:16px;margin-bottom:8px;color:var(--ink)}
.news-item p{font-size:13.5px;color:var(--muted);margin:0 0 10px}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.news-empty{padding:26px;border-radius:12px;background:var(--surface);border:1px dashed var(--line-strong);color:var(--muted);font-size:14px}
.news-side{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow-sm)}
.news-side h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-item{display:block;padding:11px 0;font-size:14px;color:var(--text);border-bottom:1px dashed var(--line);transition:color .18s ease,padding-left .18s ease}
.side-item:last-child{border-bottom:0}
.side-item:hover{color:var(--brand);padding-left:6px}

/* ---------- guarantee ---------- */
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gu-item{display:flex;gap:12px;align-items:flex-start;padding:18px;border-radius:12px;background:var(--surface);border:1px solid var(--line)}
.gu-item .cat-icon{width:36px;height:36px;border-radius:10px}
.gu-item h4{font-size:14.5px;margin-bottom:4px}
.gu-item p{font-size:12.5px;color:var(--muted);margin:0}

/* ---------- voices ---------- */
.voice{display:flex;flex-direction:column;gap:14px;padding:24px 22px}
.voice p{font-size:14.5px;color:var(--text);margin:0}
.voice-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#eaf5f4;color:var(--brand);font-weight:800;font-size:14px}

/* ---------- audience / myth ---------- */
.aud-card{padding:26px 24px}
.aud-card h3{font-size:17px;margin-bottom:12px}
.aud-card ul{display:grid;gap:10px}
.aud-card li{position:relative;padding-left:22px;font-size:14px;color:var(--text)}
.aud-card li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--teal)}
.aud-card.is-muted li::before{background:#c3d2dd}
.myth-item{display:grid;gap:10px;padding:22px 24px;border-radius:14px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.myth-item .myth-wrong{font-size:14px;font-weight:700;color:#b3541e}
.myth-item .myth-right{font-size:14px;color:var(--text)}
.myth-item .tag{align-self:flex-start}

/* ---------- enter cta ---------- */
.enter-band{position:relative;border-radius:22px;padding:52px 46px;color:#fff;overflow:hidden;background:linear-gradient(140deg,rgba(6,42,54,.95),rgba(18,94,117,.86)),url('/assets/images/831ac7ffc9a3176b.webp') center/cover no-repeat;box-shadow:0 30px 60px rgba(6,42,54,.28)}
.enter-band h2{color:#fff;font-size:clamp(22px,2.5vw,30px);margin-bottom:14px}
.enter-band p{max-width:680px;color:#cfe3ea;font-size:15px;margin-bottom:26px}
.enter-actions{display:flex;flex-wrap:wrap;gap:14px}
.enter-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.enter-points li{padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24)}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:#a9c2ce;padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.13)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16.5px;margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:none}
.site-footer p{font-size:13.5px;line-height:1.85;color:#93b1bf;margin:0 0 10px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.5px}
.footer-col a{display:block;padding:6px 0;font-size:13.5px;color:#9fbcc9;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-col li{font-size:13.5px;color:#9fbcc9;padding:6px 0}
.copyright{padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:#7d9dab}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .story-grid{grid-template-columns:1fr;gap:30px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .statbar-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .reward-wrap{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .guarantee{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .member-grid{grid-template-columns:1fr}
}
@media (max-width:820px){
  .nav-links{position:absolute;left:12px;right:12px;top:76px;flex-direction:column;align-items:stretch;gap:4px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-md);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-panel{position:relative}
}
@media (max-width:768px){
  .section{padding:54px 0}
  .hero{padding:48px 0 46px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .log-item{grid-template-columns:1fr;gap:8px}
  .enter-band{padding:36px 24px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr}
  .voice{padding:20px}
}
@media (max-width:520px){
  body{font-size:15px}
  .container{padding:0 16px}
  .brand{font-size:15px}
  .brand-mark{width:30px;height:30px;border-radius:8px}
  .hero-actions .btn{width:100%}
  .statbar-grid,.grid-4,.guarantee{grid-template-columns:1fr}
  .pick-card{padding:14px}
  .stat b{font-size:24px}
  .hero-tags li{font-size:12px}
}

/* roulang page: article */
:root{
 --brand:#125e75;
 --brand-600:#0d4a5c;
 --brand-900:#062a36;
 --teal:#17a08a;
 --accent:#f0a63c;
 --accent-600:#d98d21;
 --ink:#0e1c26;
 --text:#34485b;
 --muted:#6b7f92;
 --bg:#f4f7fa;
 --surface:#ffffff;
 --line:#e2e9f0;
 --line-strong:#cbdce7;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(14,28,38,.06),0 6px 18px rgba(14,28,38,.05);
 --shadow-md:0 14px 34px rgba(14,28,38,.13);
 --container:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15.5px;line-height:1.78;color:var(--text);background:var(--bg)}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.35}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid rgba(23,160,138,.55);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(244,247,250,.92);backdrop-filter:blur(12px);padding:10px 0;transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(14,28,38,.12)}
.nav-panel{display:flex;align-items:center;gap:16px;min-height:62px;padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:var(--brand-900);letter-spacing:.4px;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand) 10%,var(--teal) 95%);box-shadow:0 6px 14px rgba(18,94,117,.3);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{display:block;padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--text);transition:background .2s ease,color .2s ease,transform .2s ease}
.nav-links a:hover{background:#edf4f8;color:var(--brand);transform:translateY(-1px)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 16px rgba(18,94,117,.26)}
.nav-cta{margin-left:6px;padding:11px 18px;font-size:14.5px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:42px;border:1px solid var(--line);background:#f4f8fb;border-radius:10px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-600)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--accent);color:#3b2506;box-shadow:0 10px 20px rgba(240,166,60,.32)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,166,60,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);background:#eef6f9;transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- article hero ---------- */
.article-hero{position:relative;color:#fff;padding:56px 0 54px;background:linear-gradient(150deg,rgba(6,42,54,.95) 8%,rgba(13,74,92,.86) 58%,rgba(23,160,138,.6) 100%),url('/assets/images/831ac7ffc9a3176b.webp') center center/cover no-repeat;overflow:hidden}
.article-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:90px;background:linear-gradient(180deg,rgba(244,247,250,0),rgba(244,247,250,.14));pointer-events:none}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#a9cad6;margin-bottom:18px}
.crumb a{color:#cfe6ee}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.5}
.article-hero h1{color:#fff;font-size:clamp(24px,3vw,38px);line-height:1.32;max-width:900px;margin-bottom:16px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px}
.meta-chip{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;color:#e3f1f5;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24)}
.hero-summary{max-width:820px;font-size:15px;line-height:1.85;color:#d7e7ee;margin:0}

/* ---------- layout ---------- */
.main-wrap{padding:46px 0 20px}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:28px 30px}
.panel + .panel{margin-top:26px}

/* ---------- article prose ---------- */
.article-prose{font-size:15.8px;line-height:1.85;color:var(--text)}
.article-prose h2{font-size:23px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--accent);line-height:1.4}
.article-prose h3{font-size:18.5px;margin:26px 0 12px;color:var(--brand-900)}
.article-prose h4{font-size:16.5px;margin:20px 0 10px;color:var(--brand-600)}
.article-prose p{margin:0 0 16px}
.article-prose strong{color:var(--brand-900);font-weight:800}
.article-prose a{color:var(--teal);font-weight:600;border-bottom:1px dashed rgba(23,160,138,.5)}
.article-prose a:hover{color:var(--brand)}
.article-prose ul,.article-prose ol{margin:0 0 18px;padding-left:0}
.article-prose ul li{position:relative;padding-left:20px;margin-bottom:9px}
.article-prose ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.article-prose ol{counter-reset:numlist}
.article-prose ol li{position:relative;padding-left:28px;margin-bottom:9px;counter-increment:numlist}
.article-prose ol li::before{content:counter(numlist);position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:6px;background:#e8f2f6;color:var(--brand);font-size:12px;font-weight:800;display:grid;place-items:center}
.article-prose img{border-radius:var(--radius);margin:18px 0;box-shadow:var(--shadow-sm)}
.article-prose blockquote{margin:20px 0;padding:16px 20px;background:#eef6f9;border-left:4px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--brand-900)}
.article-prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.article-prose th{background:#eaf2f7;color:var(--brand-900);font-weight:800;text-align:left}
.article-prose th,.article-prose td{padding:11px 14px;border-bottom:1px solid var(--line)}
.article-prose tr:last-child td{border-bottom:0}
.article-prose hr{border:0;height:1px;background:var(--line);margin:28px 0}

/* ---------- empty state ---------- */
.empty-state{text-align:center;padding:52px 20px}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- sidebar ---------- */
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px;margin-bottom:24px}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent)}
.side-list li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--text)}
.side-list li:last-child{border-bottom:0}
.side-list .num{flex:0 0 22px;height:22px;border-radius:6px;background:#e8f2f6;color:var(--brand);font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:2px}
.side-facts li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;font-size:13.5px;color:var(--muted);border-bottom:1px dashed var(--line)}
.side-facts li:last-child{border-bottom:0}
.side-facts b{color:var(--ink);font-weight:700}
.side-cta{background:linear-gradient(155deg,#0d4a5c,#125e75 60%,#17a08a);color:#dcecf2;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-md)}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:10px}
.side-cta p{font-size:13.5px;color:#c5dbe4;margin-bottom:16px}

/* ---------- sections ---------- */
.section{padding:66px 0;scroll-margin-top:90px}
.section--alt{background:#eaf1f6}
.section--dark{background:linear-gradient(150deg,#072f3c,#0d4a5c 70%,#125e75);color:#d7e7ee}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#c5dbe4}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--accent)}
.section--dark .eyebrow{color:#8fd6c9}
.section-head h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:14px}
.section-head p{font-size:15px;color:var(--muted);margin:0}
.section--dark .section-head p{color:#b9d3dd}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.card{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 .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.card-media{position:relative;overflow:hidden;background:#dbe7ee}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:16.5px;line-height:1.5}
.card-body p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.75}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tag{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;background:#e8f2f6;color:var(--brand)}
.tag-accent{background:rgba(240,166,60,.18);color:#8a5a08}
.tag-teal{background:rgba(23,160,138,.14);color:#0f7466}

/* ---------- key point strip ---------- */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.point{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.point:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.point-num{font-size:22px;font-weight:800;color:var(--brand);letter-spacing:.5px;margin-bottom:6px}
.point h3{font-size:15.5px;margin-bottom:8px}
.point p{font-size:13.6px;color:var(--muted);margin:0}

/* ---------- spec table ---------- */
.spec-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);font-size:14.5px}
.spec-table th,.spec-table td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.spec-table thead th{background:#eaf2f7;color:var(--brand-900);font-weight:800;font-size:13.5px;letter-spacing:.4px}
.spec-table tbody tr:hover{background:#f7fbfd}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table td b{color:var(--ink)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);padding:0;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:17px 20px;font-size:15.5px;font-weight:700;color:var(--brand-900);display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:700;color:var(--brand);line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 20px 18px;font-size:14.2px;color:var(--text);margin:0}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:18px;padding:44px 42px;background:linear-gradient(150deg,rgba(6,42,54,.95),rgba(13,74,92,.9) 65%,rgba(23,160,138,.78)),url('/assets/images/e5a9f9dc29fc9a07.webp') center center/cover no-repeat;color:#fff;box-shadow:var(--shadow-md);display:grid;grid-template-columns:1.4fr .6fr;gap:30px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(21px,2.2vw,28px);margin-bottom:12px}
.cta-band p{color:#cfe3ea;font-size:14.6px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- footer ---------- */
.site-footer{background:#062a36;color:#b9d0da;padding:54px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer p{font-size:13.6px;color:#a3c0cc;line-height:1.8;margin:0 0 10px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.4px}
.footer-col a{display:block;font-size:13.6px;color:#a9c6d2;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-col ul li{font-size:13.6px;color:#a9c6d2;padding:5px 0}
.copyright{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#8fadb9}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .content-grid{grid-template-columns:1fr}
 .point-grid{grid-template-columns:1fr 1fr}
 .cta-band{grid-template-columns:1fr;padding:36px 30px}
 .cta-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
 .nav-toggle{display:flex}
 .nav-panel{flex-wrap:wrap}
 .nav-links{display:none;order:3;width:100%;margin-left:0;flex-direction:column;align-items:stretch;gap:6px;padding-top:10px;border-top:1px solid var(--line)}
 .nav-links.is-open{display:flex}
 .nav-links a{padding:11px 14px}
 .nav-cta{display:none}
 .panel{padding:22px 18px}
 .article-prose h2{font-size:20px}
 .article-prose h3{font-size:17px}
 .article-hero{padding:42px 0 40px}
}
@media (max-width:560px){
 body{font-size:15px}
 .container{padding:0 15px}
 .point-grid{grid-template-columns:1fr}
 .card-grid{grid-template-columns:1fr}
 .section{padding:48px 0}
 .footer-grid{grid-template-columns:1fr;gap:24px}
 .article-prose table{font-size:13.5px}
 .article-prose th,.article-prose td{padding:9px 10px}
 .cta-band{padding:28px 20px}
 .btn{width:100%}
 .cta-actions .btn{width:100%}
 .copyright{flex-direction:column}
}

/* roulang page: category1 */
:root{
 --brand:#125e75;
 --brand-600:#0d4a5c;
 --brand-900:#062a36;
 --teal:#17a08a;
 --accent:#f0a63c;
 --accent-600:#d98d21;
 --ink:#0e1c26;
 --text:#34485b;
 --muted:#6b7f92;
 --bg:#f4f7fa;
 --surface:#ffffff;
 --line:#e2e9f0;
 --line-strong:#cbdce7;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(14,28,38,.06),0 6px 18px rgba(14,28,38,.05);
 --shadow-md:0 14px 34px rgba(14,28,38,.13);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15.5px;line-height:1.78;color:var(--text);background:var(--bg)}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);line-height:1.35;letter-spacing:.2px}
p{margin:0 0 12px}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-600)}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(240,166,60,.7);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(244,247,250,.92);backdrop-filter:blur(12px);padding:10px 0;transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(14,28,38,.12)}
.nav-panel{display:flex;align-items:center;gap:16px;min-height:62px;padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:var(--brand-900);letter-spacing:.4px;white-space:nowrap}
.brand:hover{color:var(--brand)}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand) 10%,var(--teal) 95%);box-shadow:0 6px 14px rgba(18,94,117,.3);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{display:block;padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--text);transition:background .2s ease,color .2s ease,transform .2s ease}
.nav-links a:hover{background:#edf4f8;color:var(--brand);transform:translateY(-1px)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 16px rgba(18,94,117,.26)}
.nav-cta{margin-left:6px;padding:11px 18px;font-size:14.5px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:42px;border:1px solid var(--line);background:#f4f8fb;border-radius:10px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-600)}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--accent);color:#3b2506;box-shadow:0 10px 20px rgba(240,166,60,.32)}
.btn-primary:hover{background:var(--accent-600);color:#3b2506;transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,166,60,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);background:#eef6f9;color:var(--brand-600);transform:translateY(-2px)}
.btn-block{width:100%}
/* ---------- tags & eyebrow ---------- */
.tag{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;background:#e8f2f6;color:var(--brand)}
.tag-accent{background:rgba(240,166,60,.18);color:#8a5a08}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--brand);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--accent);flex:0 0 auto}
/* ---------- help hero ---------- */
.help-hero{position:relative;padding:60px 0 54px;overflow:hidden;background:linear-gradient(180deg,#eaf3f8 0%,#f4f7fa 100%);border-bottom:1px solid var(--line)}
.help-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/831ac7ffc9a3176b.webp') center center/cover no-repeat;opacity:.16;pointer-events:none}
.help-hero .container{position:relative;z-index:2}
.help-inner{max-width:800px;margin:0 auto;text-align:center}
.help-inner .eyebrow{justify-content:center;color:var(--brand-600)}
.help-hero h1{font-size:clamp(26px,3.2vw,40px);line-height:1.3;margin:6px 0 16px;color:var(--brand-900)}
.help-lead{font-size:15.5px;line-height:1.85;color:var(--text);max-width:720px;margin:0 auto 26px}
.help-search{display:flex;gap:10px;max-width:640px;margin:0 auto 18px;background:#fff;border:1px solid var(--line-strong);border-radius:14px;padding:8px;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,border-color .2s ease}
.help-search:focus-within{border-color:var(--brand);box-shadow:0 14px 30px rgba(18,94,117,.16)}
.help-search input[type="search"]{flex:1 1 auto;min-width:0;margin:0;height:44px;border:0;background:transparent;box-shadow:none;padding:0 14px;font-size:15px;color:var(--ink)}
.help-search input[type="search"]:focus{outline:none;box-shadow:none}
.help-search input[type="search"]::placeholder{color:#93a6b6}
.help-search .btn{flex:0 0 auto;min-height:44px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-chips a{display:inline-flex;align-items:center;min-height:38px;padding:7px 15px;border-radius:999px;font-size:13px;font-weight:600;color:var(--brand-600);background:#fff;border:1px solid var(--line-strong);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease}
.hero-chips a:hover{transform:translateY(-2px);border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm)}
/* ---------- section base ---------- */
.section{padding:70px 0;scroll-margin-top:92px}
.section--alt{background:#eaf1f6}
.section--dark{background:linear-gradient(150deg,#072f3c,#0d4a5c 68%,#125e75);color:#d7e7ee}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#c5dbe4}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.3vw,29px);margin-bottom:12px}
.section-head p{font-size:15px;color:var(--muted);margin:0}
.section--dark .eyebrow{color:#8fd6c9}
.section--dark .section-head p{color:#b9d3dd}
/* ---------- grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
/* ---------- feature cards ---------- */
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.feature-card .icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:#e8f2f6;color:var(--brand);margin-bottom:14px}
.feature-card h3{font-size:17px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--muted);margin:0}
/* ---------- species ---------- */
.species-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.species-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.species-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.species-card h3{font-size:16px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.species-card .rate{font-size:12.5px;font-weight:800;color:#8a5a08;background:rgba(240,166,60,.18);padding:3px 10px;border-radius:999px;white-space:nowrap}
.kv{list-style:none;margin:0 0 10px;padding:0}
.kv li{display:flex;justify-content:space-between;gap:10px;font-size:13px;padding:6px 0;border-bottom:1px dashed var(--line);color:var(--muted)}
.kv li:last-child{border-bottom:0}
.kv li b{color:var(--ink);font-weight:700}
.species-card .tip{font-size:13.5px;color:var(--muted);margin:0}
.species-empty{display:none;text-align:center;padding:26px;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius-sm);color:var(--muted);font-size:14.5px}
.species-note{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:24px;font-size:13.5px;color:var(--muted)}
/* ---------- scene ---------- */
.scene-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:38px;align-items:center}
.scene-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
.scene-media:hover img{transform:scale(1.03)}
.scene-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.scene-list li{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.scene-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.scene-list h3{font-size:15.5px;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.scene-list h3 .dot{width:8px;height:8px;border-radius:3px;background:var(--teal);flex:0 0 auto}
.scene-list p{font-size:14px;color:var(--muted);margin:0}
/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step-item{padding:24px 20px;border-radius:var(--radius);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);transition:transform .2s ease,background .2s ease,border-color .2s ease}
.step-item:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32)}
.step-num{font-size:28px;font-weight:800;color:var(--accent);line-height:1;margin-bottom:14px;letter-spacing:1px}
.step-item h3{font-size:16px;margin-bottom:8px}
.step-item p{font-size:13.8px;margin:0;color:#c5dbe4}
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;padding-top:30px;border-top:1px solid rgba(255,255,255,.18)}
.stat-item b{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:4px}
.stat-item span{font-size:13px;color:#a8c8d4}
/* ---------- faq ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:2px 18px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{cursor:pointer;list-style:none;padding:15px 0;font-weight:700;color:var(--ink);font-size:15px;display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:18px;line-height:1.1;color:var(--brand);font-weight:700;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 0 16px;margin:0;font-size:14.5px;color:var(--muted)}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);color:inherit}
.news-card h3{font-size:16.5px;margin-bottom:10px;color:var(--ink)}
.news-card:hover h3{color:var(--brand)}
.news-card p{font-size:14px;color:var(--muted);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--muted)}
.news-empty{padding:28px;text-align:center;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius-sm);color:var(--muted);font-size:14.5px}
/* ---------- cta ---------- */
.cta-band{padding:56px 0;background:linear-gradient(140deg,#062a36,#0d4a5c 62%,#17a08a 130%);color:#d9ebf1}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.1vw,26px);margin-bottom:10px}
.cta-inner p{color:#bcd6e0;margin:0;font-size:14.8px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{background:linear-gradient(160deg,#072f3c,#0d4a5c 68%,#125e75);color:#c5dbe4;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16.5px;margin-bottom:14px}
.footer-brand:hover{color:var(--accent)}
.site-footer p{color:#a8c8d4;font-size:13.6px;line-height:1.72;margin:0 0 8px}
.footer-col h4{color:#fff;font-size:14.5px;margin:0 0 14px;font-weight:700;letter-spacing:.5px}
.footer-col a{display:block;color:#b9d3dd;font-size:14px;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{color:#b9d3dd;font-size:14px;padding:5px 0}
.copyright{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:#9dbccb;font-size:13px}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-chips a{font-size:12.5px;padding:7px 13px}
 .grid-4,.species-grid,.step-grid,.stat-band{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .scene-wrap{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .section{padding:58px 0}
}
@media (max-width:900px){
 .nav-panel{flex-wrap:wrap}
 .nav-toggle{display:flex}
 .nav-cta{display:none}
 .nav-links{display:none;order:5;width:100%;flex-direction:column;align-items:stretch;gap:2px;margin:8px 0 0;padding-top:10px;border-top:1px solid var(--line)}
 .nav-links.is-open{display:flex}
 .nav-links a{padding:12px 14px;font-size:15px}
 .brand{font-size:15.5px}
}
@media (max-width:768px){
 .grid-2,.grid-3,.faq-list{grid-template-columns:1fr}
 .help-hero{padding:44px 0 42px}
 .help-search{flex-wrap:wrap}
 .help-search input[type="search"]{width:100%;flex:1 1 100%;padding:0 12px}
 .help-search .btn{width:100%}
 .cta-inner{flex-direction:column;align-items:flex-start}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .copyright{flex-direction:column;gap:6px}
}
@media (max-width:560px){
 .species-grid,.grid-4,.step-grid,.stat-band,.news-grid{grid-template-columns:1fr}
 .container{padding:0 16px}
 .section{padding:46px 0}
 .help-hero h1{font-size:24px}
 .hero-chips a{font-size:12.5px}
 .btn{padding:11px 18px;font-size:14.5px}
 .cta-actions{width:100%}
 .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
 --brand:#125e75;
 --brand-600:#0d4a5c;
 --brand-900:#062a36;
 --teal:#17a08a;
 --accent:#f0a63c;
 --accent-600:#d98d21;
 --ink:#0e1c26;
 --text:#34485b;
 --muted:#6b7f92;
 --bg:#f4f7fa;
 --surface:#ffffff;
 --line:#e2e9f0;
 --line-strong:#cbdce7;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(14,28,38,.06),0 6px 18px rgba(14,28,38,.05);
 --shadow-md:0 14px 34px rgba(14,28,38,.13);
 --container:1180px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15.5px;line-height:1.78;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-600)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(240,166,60,.6);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(244,247,250,.92);backdrop-filter:blur(12px);padding:10px 0;transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(14,28,38,.12)}
.nav-panel{position:relative;display:flex;align-items:center;gap:16px;min-height:62px;padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:var(--brand-900);letter-spacing:.4px;white-space:nowrap}
.brand:hover{color:var(--brand)}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand) 10%,var(--teal) 95%);box-shadow:0 6px 14px rgba(18,94,117,.3);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{display:block;padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--text);transition:background .2s ease,color .2s ease,transform .2s ease}
.nav-links a:hover{background:#edf4f8;color:var(--brand);transform:translateY(-1px)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 16px rgba(18,94,117,.26)}
.nav-cta{margin-left:6px;padding:11px 18px;font-size:14.5px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:42px;border:1px solid var(--line);background:#f4f8fb;border-radius:10px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-600)}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--accent);color:#3b2506;box-shadow:0 10px 20px rgba(240,166,60,.32)}
.btn-primary:hover{background:var(--accent-600);color:#3b2506;transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,166,60,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);background:#eef6f9;color:var(--brand);transform:translateY(-2px)}
.btn-block{width:100%}
/* ---------- category hero ---------- */
.hero-cat{position:relative;color:#fff;padding:62px 0 72px;overflow:hidden;background:linear-gradient(152deg,rgba(6,42,54,.95) 10%,rgba(13,74,92,.86) 58%,rgba(23,160,138,.58) 100%),url('/assets/images/831ac7ffc9a3176b.webp') center center/cover no-repeat}
.hero-cat::after{content:"";position:absolute;left:0;right:0;bottom:0;height:110px;background:linear-gradient(180deg,rgba(244,247,250,0),rgba(244,247,250,.18));pointer-events:none}
.hero-cat-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#a9c8d4;margin-bottom:16px}
.crumb a{color:#cfe4ec}
.crumb a:hover{color:var(--accent)}
.crumb span{opacity:.6}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.6px;color:#ffe6bd;background:rgba(240,166,60,.16);border:1px solid rgba(240,166,60,.45)}
.hero-cat h1{margin:18px 0 14px;font-size:clamp(28px,3.6vw,42px);line-height:1.24;color:#fff;font-weight:800;letter-spacing:.5px}
.hero-sub{font-size:16px;color:#ffdca8;font-weight:600;margin-bottom:14px}
.hero-lead{max-width:610px;font-size:15.5px;line-height:1.85;color:#d3e5ec;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#e3f1f5;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22)}
.rank-panel{background:#fff;color:var(--text);border-radius:18px;padding:20px;border:1px solid rgba(255,255,255,.7);box-shadow:0 26px 54px rgba(4,26,34,.38)}
.rank-top{display:flex;align-items:center;gap:16px;padding-bottom:16px;border-bottom:1px dashed var(--line);margin-bottom:16px}
.rank-badge{width:78px;height:78px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;text-align:center;font-weight:800;color:#3b2506;background:conic-gradient(from 205deg,#f7c377,#f0a63c,#d98d21,#f7c377);box-shadow:0 10px 22px rgba(217,141,33,.34);line-height:1.15}
.rank-badge b{display:block;font-size:20px}
.rank-badge small{display:block;font-size:11px;font-weight:700;letter-spacing:.5px}
.rank-top h2{margin:0 0 4px;font-size:18px}
.rank-top p{margin:0;font-size:13px;color:var(--muted)}
.meter-row{margin-bottom:13px}
.meter-row:last-of-type{margin-bottom:0}
.meter-label{display:flex;justify-content:space-between;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:6px}
.meter-label b{color:var(--brand)}
.meter{height:8px;border-radius:999px;background:#eef3f7;overflow:hidden}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--teal))}
.meter.is-accent i{background:linear-gradient(90deg,var(--accent),var(--accent-600))}
.rank-panel .btn{margin-top:16px}
/* ---------- stats strip ---------- */
.stats-strip{background:#eaf1f6;padding:26px 0;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-cell{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.stat-cell:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.stat-cell b{display:block;font-size:24px;color:var(--brand-900);line-height:1.2}
.stat-cell span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
/* ---------- section base ---------- */
.section{padding:72px 0;scroll-margin-top:92px}
.section--alt{background:#eaf1f6}
.section--dark{background:linear-gradient(150deg,#072f3c,#0d4a5c 70%,#125e75);color:#d7e7ee}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#c5dbe4}
.section-head{max-width:740px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--accent)}
.section--dark .eyebrow{color:#8fd6c9}
.section-head h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:14px;line-height:1.32}
.section-head p{font-size:15px;color:var(--muted);margin:0}
.section--dark .section-head p{color:#b9d3dd}
/* ---------- cards ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cards-grid--3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.card-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:var(--brand);background:#e8f2f6;margin-bottom:14px}
.card h3{font-size:17px;margin-bottom:10px;color:var(--ink)}
.card p{font-size:14.5px;line-height:1.78;color:var(--muted);margin-bottom:14px}
.tag{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;background:#e8f2f6;color:var(--brand)}
.tag-accent{background:rgba(240,166,60,.18);color:#8a5a08}
.tag-line{display:flex;flex-wrap:wrap;gap:8px}
/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}
.split-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md);position:relative}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-media figcaption{position:absolute;left:14px;bottom:14px;padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:700;color:#fff;background:rgba(6,42,54,.72);backdrop-filter:blur(4px)}
.checklist{margin-top:20px;display:grid;gap:12px}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease}
.checklist li:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.checklist .dot{width:26px;height:26px;flex:0 0 auto;border-radius:8px;display:grid;place-items:center;color:#fff;background:var(--teal);font-size:13px;font-weight:800}
.checklist b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:2px}
.checklist span{font-size:13.5px;color:var(--muted);line-height:1.7}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.step{position:relative;padding:26px 22px 22px;border-radius:var(--radius);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);transition:transform .2s ease,background .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-4px);background:rgba(255,255,255,.11);border-color:rgba(240,166,60,.45)}
.step-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;font-weight:800;font-size:15px;color:#3b2506;background:var(--accent);margin-bottom:14px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;line-height:1.78;color:#c5dbe4}
/* ---------- scenarios ---------- */
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene-body{padding:20px}
.scene-body h3{font-size:17px;margin-bottom:8px;color:var(--ink)}
.scene-body p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
/* ---------- myth list ---------- */
.myth-list{display:grid;gap:12px}
.myth{display:grid;grid-template-columns:44px 1fr 1fr;gap:18px;align-items:center;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease}
.myth:hover{transform:translateX(3px);border-color:var(--line-strong)}
.myth-idx{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:14px;color:#8a5a08;background:rgba(240,166,60,.18)}
.myth-wrong{font-size:14.5px;color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(217,141,33,.6)}
.myth-right{font-size:14.5px;color:var(--ink);font-weight:600}
/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item h3{font-size:16px;margin-bottom:10px;color:var(--ink);display:flex;gap:10px;align-items:flex-start}
.faq-item h3 span{color:var(--accent-600);font-weight:800}
.faq-item p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
/* ---------- cta band ---------- */
.cta-band{position:relative;padding:58px 0;color:#fff;background:linear-gradient(120deg,rgba(6,42,54,.93),rgba(18,94,117,.9)),url('/assets/images/e5a9f9dc29fc9a07.webp') center center/cover no-repeat}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-inner h2{font-size:clamp(21px,2.2vw,28px);margin-bottom:10px;color:#fff}
.cta-inner p{margin:0;font-size:15px;color:#c9dfe7;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- footer ---------- */
.site-footer{background:#07242e;color:#a9c3cd;padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand:hover{color:var(--accent)}
.site-footer p{font-size:14px;line-height:1.8;color:#9db9c4;margin-bottom:10px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.4px}
.footer-col a{display:block;font-size:14px;color:#a9c3cd;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-col ul li{font-size:14px;color:#a9c3cd;padding:5px 0}
.copyright{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#7f9dab}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-cat-grid{grid-template-columns:1fr;gap:34px}
 .hero-lead{max-width:100%}
 .cards-grid{grid-template-columns:repeat(2,1fr)}
 .cards-grid--3{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:30px}
 .steps{grid-template-columns:1fr}
 .stats-grid{grid-template-columns:repeat(2,1fr)}
 .faq-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .nav-links a{padding:9px 11px;font-size:14px}
}
@media (max-width:860px){
 .nav-toggle{display:flex}
 .nav-links{display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-md);margin-left:0}
 .nav-links.is-open{display:flex}
 .nav-links a{padding:12px 14px;min-height:44px}
 .nav-cta{margin-left:0;padding:10px 16px;font-size:14px}
 .brand{font-size:15px}
 .myth{grid-template-columns:40px 1fr;gap:12px}
 .myth-right{grid-column:2}
}
@media (max-width:560px){
 .container{padding:0 16px}
 .section{padding:52px 0}
 .hero-cat{padding:44px 0 54px}
 .hero-actions .btn{width:100%}
 .cards-grid,.cards-grid--3{grid-template-columns:1fr}
 .stats-grid{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr}
 .copyright{flex-direction:column;align-items:flex-start}
 .cta-actions .btn{width:100%}
 .brand span.brand-text{white-space:normal;line-height:1.2}
}

/* roulang page: category3 */
:root{
 --brand:#125e75;
 --brand-600:#0d4a5c;
 --brand-900:#062a36;
 --teal:#17a08a;
 --accent:#f0a63c;
 --accent-600:#d98d21;
 --ink:#0e1c26;
 --text:#34485b;
 --muted:#6b7f92;
 --bg:#f4f7fa;
 --surface:#ffffff;
 --line:#e2e9f0;
 --line-strong:#cbdce7;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(14,28,38,.06),0 6px 18px rgba(14,28,38,.05);
 --shadow-md:0 14px 34px rgba(14,28,38,.13);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15.5px;line-height:1.78;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:inherit;color:var(--ink);line-height:1.32;margin:0;font-weight:800}
p{margin:0 0 12px}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-600)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(240,166,60,.65);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(244,247,250,.92);backdrop-filter:blur(12px);padding:10px 0;transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 10px 26px rgba(14,28,38,.12)}
.nav-panel{display:flex;align-items:center;gap:16px;min-height:62px;padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:var(--brand-900);letter-spacing:.4px;white-space:nowrap}
.brand:hover{color:var(--brand)}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand) 10%,var(--teal) 95%);box-shadow:0 6px 14px rgba(18,94,117,.3);flex:none}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{display:block;padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--text);transition:background .2s ease,color .2s ease,transform .2s ease}
.nav-links a:hover{background:#edf4f8;color:var(--brand);transform:translateY(-1px)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 16px rgba(18,94,117,.26)}
.nav-cta{margin-left:6px;padding:11px 18px;font-size:14.5px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:42px;border:1px solid var(--line);background:#f4f8fb;border-radius:10px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-600);transition:transform .2s ease}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease}
.btn-primary{background:var(--accent);color:#3b2506;box-shadow:0 10px 20px rgba(240,166,60,.32)}
.btn-primary:hover{background:var(--accent-600);color:#3b2506;transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,166,60,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-600);background:#eef6f9;transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:9px}
/* ---------- hero ---------- */
.hero{position:relative;color:#fff;padding:64px 0 66px;background:linear-gradient(155deg,rgba(6,42,54,.95) 10%,rgba(13,74,92,.84) 60%,rgba(23,160,138,.62) 100%),url('/assets/images/831ac7ffc9a3176b.webp') center center/cover no-repeat;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:110px;background:linear-gradient(180deg,rgba(244,247,250,0),rgba(244,247,250,.14));pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.6px;color:#ffe6bd;background:rgba(240,166,60,.16);border:1px solid rgba(240,166,60,.45)}
.hero h1{margin:18px 0 16px;font-size:clamp(27px,3.4vw,40px);color:#fff;line-height:1.28}
.hero-lead{max-width:600px;font-size:15.5px;line-height:1.85;color:#d7e7ee;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;color:#e3f1f5;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22)}
.hero-panel{background:#fff;color:var(--text);border-radius:18px;padding:20px;border:1px solid rgba(255,255,255,.7);box-shadow:0 26px 54px rgba(4,26,34,.38)}
.hero-panel h2{font-size:17px;margin-bottom:4px}
.hero-panel .panel-note{font-size:13px;color:var(--muted);margin-bottom:14px}
.pick-list{margin-bottom:16px}
.pick-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;font-size:13.5px;border-bottom:1px dashed var(--line);color:var(--muted)}
.pick-list li:last-child{border-bottom:0}
.pick-list b{color:var(--ink);font-weight:700;white-space:nowrap}
/* ---------- section base ---------- */
.section{padding:72px 0;scroll-margin-top:92px}
.section--alt{background:#eaf1f6}
.section--dark{background:linear-gradient(150deg,#072f3c,#0d4a5c 70%,#125e75);color:#d7e7ee}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#c5dbe4}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--accent)}
.section--dark .eyebrow{color:#8fd6c9}
.section-head h2{font-size:clamp(21px,2.3vw,29px);margin-bottom:12px}
.section-head p{font-size:15px;color:var(--muted);margin:0}
.section--dark .section-head p{color:#b9d3dd}
/* ---------- tags ---------- */
.tag{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;background:#e8f2f6;color:var(--brand)}
.tag-accent{background:rgba(240,166,60,.18);color:#8a5a08}
.tag-line{background:transparent;border:1px solid var(--line-strong);color:var(--muted)}
/* ---------- grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
/* ---------- card ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.card-body{padding:20px 20px 22px}
.card-media{overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card h3{font-size:17.5px;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:12px}
.card-tags{display:flex;flex-wrap:wrap;gap:6px}
.icon-box{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:#e8f2f6;color:var(--brand);margin-bottom:14px}
/* ---------- pain list ---------- */
.split{display:grid;grid-template-columns:.82fr 1.18fr;gap:44px;align-items:start}
.pain-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line-strong)}
.pain-item:last-child{border-bottom:0;padding-bottom:0}
.pain-num{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:15px;color:var(--brand);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.pain-item h3{font-size:16.5px;margin-bottom:6px}
.pain-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
/* ---------- slots ---------- */
.slot{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%}
.slot:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.slot-day{display:inline-block;font-size:12px;font-weight:800;letter-spacing:1px;color:var(--brand);background:#e8f2f6;border-radius:8px;padding:4px 10px;margin-bottom:12px}
.slot h3{font-size:16px;margin-bottom:8px}
.slot p{font-size:13.5px;color:var(--muted);margin-bottom:10px;line-height:1.7}
.slot-meta{font-size:12.5px;color:var(--brand-600);font-weight:700}
/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--line-strong)}
.timeline-item{position:relative;padding:0 0 28px 8px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:-37px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid #eaf1f6;box-shadow:0 0 0 2px rgba(240,166,60,.35)}
.timeline-item h3{font-size:16.5px;margin-bottom:6px}
.timeline-item p{font-size:14px;color:var(--muted);margin:0 0 8px;line-height:1.75}
/* ---------- stats ---------- */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:22px 20px;transition:transform .2s ease,border-color .2s ease,background .2s ease}
.stat:hover{transform:translateY(-3px);border-color:rgba(240,166,60,.55);background:rgba(255,255,255,.11)}
.stat b{display:block;font-size:30px;line-height:1.1;color:#fff;font-weight:800;letter-spacing:.5px}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:#b9d3dd}
/* ---------- quote ---------- */
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.quote p{font-size:14.5px;color:var(--text);line-height:1.8;margin-bottom:14px}
.quote-who{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--teal));flex:none}
/* ---------- mini cards ---------- */
.mini{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%}
.mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.mini h3{font-size:15px;margin-bottom:6px}
.mini p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.72}
/* ---------- feature split ---------- */
.feature{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.feature-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.feature-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list li{display:flex;gap:12px;padding:10px 0;font-size:14.5px;color:var(--text);border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0}
.check-dot{flex:none;width:22px;height:22px;border-radius:50%;background:rgba(23,160,138,.14);color:var(--teal);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:2px}
/* ---------- faq ---------- */
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:4px 18px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{list-style:none;cursor:pointer;padding:15px 26px 15px 0;font-size:15px;font-weight:700;color:var(--ink);position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:19px;font-weight:700;color:var(--brand);transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item p{font-size:14px;color:var(--muted);margin:0 0 16px;line-height:1.78}
/* ---------- cta ---------- */
.cta-band{background:linear-gradient(135deg,var(--brand-900),var(--brand) 58%,var(--teal));border-radius:20px;padding:44px 40px;color:#fff;display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;box-shadow:var(--shadow-md)}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,27px);margin-bottom:12px}
.cta-band p{color:#cfe4ec;font-size:14.5px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
/* ---------- footer ---------- */
.site-footer{background:#062a36;color:#b9d3dd;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16.5px;margin-bottom:14px}
.footer-brand:hover{color:var(--accent)}
.site-footer p{font-size:13.5px;color:#9dbecb;line-height:1.78;margin:0 0 10px;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:800}
.footer-col a{display:block;color:#a9c6d2;font-size:14px;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(2px)}
.footer-col li{font-size:14px;padding:5px 0;color:#a9c6d2}
.copyright{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:20px 0 26px;font-size:13px;color:#7fa1b0}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .split{grid-template-columns:1fr;gap:26px}
 .feature{grid-template-columns:1fr;gap:26px}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-5{grid-template-columns:repeat(2,1fr)}
 .statbar{grid-template-columns:repeat(2,1fr)}
 .cta-band{grid-template-columns:1fr;padding:34px 26px}
 .cta-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:980px){
 .nav-toggle{display:inline-flex;order:2}
 .nav-cta{order:3;margin-left:8px;padding:10px 16px;font-size:14px}
 .nav-panel{flex-wrap:wrap;gap:12px}
 .nav-links{order:4;width:100%;flex-direction:column;align-items:stretch;gap:4px;margin:4px 0 0;padding-top:10px;border-top:1px solid var(--line);display:none}
 .nav-links.is-open{display:flex}
 .nav-links a{padding:12px 14px}
 .faq{grid-template-columns:1fr}
}
@media (max-width:768px){
 .section{padding:54px 0}
 .hero{padding:46px 0 50px}
 .grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}
 .statbar{grid-template-columns:1fr}
 .brand{font-size:15.5px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .copyright{flex-direction:column;gap:6px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .btn{width:100%;padding:13px 18px}
 .hero-actions .btn{width:100%}
 .cta-actions .btn{width:100%}
 .nav-cta{display:none}
 .card-body{padding:18px}
 .stat b{font-size:26px}
}