/* roulang page: index */
:root{
  --ink-900:#070A12;
  --ink-800:#0C1220;
  --surface-1:#111A2B;
  --surface-2:#16223A;
  --line:#1F2C44;
  --neon:#24E5B0;
  --neon-soft:rgba(36,229,176,.14);
  --coral:#FF6A45;
  --violet:#7B61FF;
  --text-1:#E8EEF9;
  --text-2:#9FB0C9;
  --text-3:#6B7C96;
  --warn-bg:#1A1430;
  --warn-line:rgba(123,97,255,.35);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --r-lg:22px;
  --r-xl:28px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 0 0 1px var(--line);
  --shadow-hover:0 22px 48px rgba(0,0,0,.55), inset 0 0 0 1px rgba(36,229,176,.35), 0 0 24px rgba(36,229,176,.18);
  --ease:240ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--neon)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:-.01em}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{max-width:1320px;padding-left:32px;padding-right:32px;margin:0 auto;width:100%}
.section{padding:110px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--neon);
  margin:0 0 14px;
  font-weight:600;
}
.h2-title{font-size:32px;line-height:1.25;font-weight:700;margin-bottom:14px}
.section-sub{color:var(--text-2);font-size:16px;max-width:720px;margin:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.hr-neon{height:1px;border:0;background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);margin:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(7,10,18,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.nav-shell{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.brand-mark{width:30px;height:30px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-cn{font-size:17px;font-weight:700;letter-spacing:0}
.brand-en{font-size:10px;letter-spacing:.18em;color:var(--text-3);text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap}
.nav-link-custom{
  position:relative;
  display:block;
  padding:8px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:999px;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link-custom::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--neon);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link-custom:hover{color:var(--text-1)}
.nav-link-custom:hover::after{transform:scaleX(1)}
.nav-link-custom.active{
  color:var(--neon);
  text-shadow:0 0 12px rgba(36,229,176,.45);
}
.nav-link-custom.active::after{transform:scaleX(1)}
.nav-link-custom.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:16px;background:var(--neon);border-radius:2px;
}
.nav-dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--neon);vertical-align:middle;margin-left:6px;box-shadow:0 0 8px rgba(36,229,176,.8)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:999px;
  background:var(--surface-1);border:1px solid var(--line);color:var(--text-1);
}
.nav-toggle span{display:block;width:16px;height:1.5px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ---------- buttons ---------- */
.btn-neon,.btn-ghost,.btn-coral{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all var(--ease);line-height:1.4;
}
.btn-coral{background:var(--coral);color:#150803}
.btn-coral:hover{background:#ff7d5d;color:#150803;transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,106,69,.32)}
.btn-neon{background:var(--neon);color:#04140f}
.btn-neon:hover{background:#43f0c2;color:#04140f;transform:translateY(-2px);box-shadow:0 10px 26px rgba(36,229,176,.3)}
.btn-ghost{background:transparent;color:var(--text-1);border-color:rgba(36,229,176,.45)}
.btn-ghost:hover{color:var(--neon);border-color:var(--neon);box-shadow:0 0 22px rgba(36,229,176,.18);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-ghost:active,.btn-coral:active,.btn-neon:active{transform:translateY(0) scale(.985)}
.link-cta{display:inline-flex;align-items:center;gap:6px;color:var(--neon);font-size:14px;font-weight:600}
.link-cta span{transition:transform var(--ease)}
.link-cta:hover span{transform:translateX(4px)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:620px;
  display:flex;align-items:center;
  padding:80px 0 96px;
  overflow:hidden;
  background:
    radial-gradient(720px 420px at 12% 8%, rgba(36,229,176,.16), transparent 70%),
    radial-gradient(620px 460px at 92% 88%, rgba(123,97,255,.18), transparent 72%),
    var(--ink-900);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:40px 40px;
  opacity:.5;pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-title{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.15;font-weight:800;
  margin-bottom:22px;letter-spacing:-.01em;
}
.hero-title em{font-style:normal;color:var(--neon);text-shadow:0 0 26px rgba(36,229,176,.35)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:30px}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.stat-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:var(--surface-1);border:1px solid rgba(36,229,176,.3);
  font-size:13px;color:var(--text-2);
}
.stat-badge b{font-size:19px;font-weight:700;color:var(--coral);font-variant-numeric:tabular-nums}
.stat-badge i{font-style:normal;font-size:13px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-card)}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,10,18,.72),rgba(7,10,18,.05) 65%);
}
.hero-visual-fallback{background:linear-gradient(135deg,var(--surface-2),var(--ink-800));width:100%;aspect-ratio:16/10}

/* ---------- story ---------- */
.story{padding:100px 0;background:var(--ink-900)}
.story-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-card)}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.story-body p{color:var(--text-2);font-size:16px;max-width:560px}
.point-list{margin-top:22px}
.point-list li{position:relative;padding-left:20px;margin-bottom:12px;color:var(--text-1);font-size:15px}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 10px rgba(36,229,176,.7);
}
.timeline{margin-top:36px;border-left:1px solid var(--line);padding-left:0}
.timeline-item{position:relative;padding:0 0 22px 24px}
.timeline-item::before{
  content:"";position:absolute;left:-5px;top:9px;width:10px;height:10px;border-radius:50%;
  background:var(--ink-900);border:2px solid var(--neon);box-shadow:0 0 12px rgba(36,229,176,.6);
}
.timeline-item h4{font-size:15px;font-weight:600;margin-bottom:4px}
.timeline-item p{font-size:14px;color:var(--text-3);margin:0}

/* ---------- feature cards ---------- */
.card-neon{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface-1);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease);
}
.card-neon:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card-neon:hover .card-cover img{transform:scale(1.04)}
.card-neon:hover .card-arrow{transform:translateX(4px)}
.card-cover{overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--ease)}
.card-body-custom{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.card-tag{
  display:inline-block;align-self:flex-start;
  padding:4px 12px;border-radius:999px;font-size:12px;
  background:var(--neon-soft);color:var(--neon);margin-bottom:14px;
}
.card-title{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px}
.card-text{font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3)}
.card-arrow{color:var(--neon);transition:transform var(--ease)}
.card-wide .card-cover img{aspect-ratio:21/9}
.card-wide .card-title{font-size:22px}
.card-wide .card-text{-webkit-line-clamp:3;font-size:15px}
.card-wide .card-body-custom{padding:30px 32px 32px}

/* ---------- news list ---------- */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:110px 1fr auto;gap:24px;align-items:center;
  padding:24px 18px;border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.news-item:hover{background:var(--neon-soft);color:inherit}
.news-item:hover .news-title{color:var(--neon)}
.news-item:hover .news-arrow{transform:translateX(4px)}
.news-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-title{font-size:17px;font-weight:600;margin-bottom:6px;transition:color var(--ease)}
.news-summary{
  font-size:14px;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:16px}
.chip{
  padding:4px 14px;border-radius:999px;font-size:12px;
  background:var(--surface-1);border:1px solid var(--line);color:var(--text-2);
  white-space:nowrap;
}
.news-arrow{color:var(--neon);transition:transform var(--ease)}
.empty-state{
  background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:var(--r-md);
  padding:56px 24px;text-align:center;margin:28px 0;
}
.empty-icon{font-size:28px;color:var(--neon);margin-bottom:12px;line-height:1}
.empty-state p{color:var(--text-2);margin:0 0 18px}

/* ---------- trust ---------- */
.trust-band{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-badge{
  padding:26px 24px;border-radius:var(--r-md);
  background:var(--surface-1);box-shadow:var(--shadow-card);
}
.trust-badge b{display:block;font-size:30px;font-weight:800;color:var(--neon);line-height:1.2;font-variant-numeric:tabular-nums}
.trust-badge span{font-size:13px;color:var(--text-2)}
.trust-notes{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px 34px}
.trust-notes li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2)}
.trust-notes li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--neon);
}

/* ---------- faq ---------- */
.accordion-item{
  background:var(--surface-1);border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:var(--surface-1);color:var(--text-1);font-weight:600;font-size:17px;
  padding:20px 24px;box-shadow:none;transition:all var(--ease);
}
.accordion-button:not(.collapsed){background:var(--surface-2);color:var(--neon);box-shadow:inset 3px 0 0 var(--neon)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--neon);outline-offset:-2px}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='%2324E5B0' stroke-width='1.6' stroke-linecap='round'%3E%3Cpath d='M8 2v12M2 8h12'/%3E%3C/svg%3E");
  background-size:16px 16px;width:16px;height:16px;
  transition:transform var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-body{color:var(--text-2);font-size:15px;padding:4px 24px 22px;line-height:1.8}

/* ---------- cta panel ---------- */
.cta-panel{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--surface-1);
  padding:56px 52px;
  box-shadow:var(--shadow-card);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 300px at 8% 10%, rgba(36,229,176,.18), transparent 70%),
    radial-gradient(420px 320px at 96% 96%, rgba(123,97,255,.22), transparent 72%);
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1}
.cta-title{font-size:30px;font-weight:700;margin-bottom:12px}
.cta-desc{color:var(--text-2);font-size:15px;max-width:520px;margin:0}
.form-row{display:flex;gap:12px;flex-wrap:wrap}
.form-input{
  flex:1 1 220px;min-width:0;height:48px;padding:0 18px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:12px;
  color:var(--text-1);transition:all var(--ease);
}
.form-input::placeholder{color:var(--text-3)}
.form-input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 2px rgba(36,229,176,.35),0 0 18px rgba(36,229,176,.15)}
.form-hint{font-size:12px;color:var(--text-3);margin:12px 0 0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);position:relative;padding:72px 0 0}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);max-width:320px}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--neon)}
.footer-contact li{font-size:14px;color:var(--text-2);margin-bottom:12px}
.footer-contact b{display:block;font-size:12px;color:var(--text-3);font-weight:500}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.offcanvas{background:var(--ink-800);color:var(--text-1);border-left:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .nav-link-custom{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;border-radius:0;font-size:16px}
.offcanvas .nav-link-custom::after{left:0;right:0;bottom:0}
.offcanvas .nav-link-custom.active{background:rgba(36,229,176,.08);padding-left:14px;padding-right:14px}
.offcanvas .nav-link-custom.active::before{left:0}
.btn-close{filter:invert(1) grayscale(1) brightness(1.6)}

@media (max-width:1199.98px){
  .container{padding-left:24px;padding-right:24px}
  .section{padding:88px 0}
  .nav-menu{gap:0}
  .nav-link-custom{padding:8px 10px;font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .nav-shell{height:58px}
  .hero{min-height:auto;padding:56px 0 72px}
  .hero-visual{margin-top:38px}
  .section{padding:72px 0}
  .story{padding:72px 0}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{padding:42px 30px}
  .news-item{grid-template-columns:1fr;gap:10px;padding:22px 6px}
  .news-time{order:2}
  .news-meta{order:3;justify-content:space-between}
}
@media (max-width:575.98px){
  .container{padding-left:20px;padding-right:20px}
  body{font-size:15px}
  .section{padding:56px 0}
  .hero-title{font-size:26px}
  .h2-title{font-size:24px}
  .cta-title{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .trust-grid{gap:14px}
  .trust-badge{padding:20px 18px}
  .trust-badge b{font-size:24px}
  .hero-cta .btn-neon,.hero-cta .btn-ghost{width:100%}
  .cta-panel{padding:34px 22px;border-radius:24px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
  --ink-900:#070A12;
  --ink-800:#0C1220;
  --surface-1:#111A2B;
  --surface-2:#16223A;
  --line:#1F2C44;
  --neon:#24E5B0;
  --neon-soft:rgba(36,229,176,.14);
  --coral:#FF6A45;
  --violet:#7B61FF;
  --text-1:#E8EEF9;
  --text-2:#9FB0C9;
  --text-3:#6B7C96;
  --warn-bg:#1A1430;
  --warn-line:rgba(123,97,255,.35);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 0 0 1px var(--line);
  --shadow-hover:0 22px 48px rgba(0,0,0,.5), inset 0 0 0 1px rgba(36,229,176,.35), 0 0 24px rgba(36,229,176,.18);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --container:1320px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease,transform .22s ease}
a:hover{color:var(--neon)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px}
::selection{background:rgba(36,229,176,.28);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(7,10,18,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.nav-shell{display:flex;align-items:center;gap:28px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:30px;height:30px;flex:0 0 auto;filter:drop-shadow(0 0 8px rgba(36,229,176,.35))}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-cn{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text-1)}
.brand-en{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-3)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link-custom{
  position:relative;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:var(--pill);
  transition:color .22s ease,background-color .22s ease;
}
.nav-link-custom::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--neon);
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;border-radius:2px;
}
.nav-link-custom:hover{color:var(--text-1)}
.nav-link-custom:hover::after{transform:scaleX(1)}
.nav-link-custom.active{
  color:var(--neon);text-shadow:0 0 14px rgba(36,229,176,.45);
}
.nav-link-custom.active::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:2px;height:16px;background:var(--neon);border-radius:2px;
}
.nav-link-custom.active::after{
  left:14px;right:auto;width:4px;height:4px;bottom:2px;border-radius:50%;transform:scaleX(1);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.btn-coral{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--coral);color:#120704;border:1px solid transparent;
  border-radius:var(--pill);padding:12px 24px;font-size:15px;font-weight:700;
  box-shadow:0 10px 26px rgba(255,106,69,.26);transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.btn-coral:hover{background:#FF7E5E;color:#120704;transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,106,69,.36)}
.btn-coral:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--neon);border:1px solid rgba(36,229,176,.45);
  border-radius:var(--pill);padding:12px 24px;font-size:15px;font-weight:600;
  transition:background-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--neon-soft);color:var(--neon);box-shadow:0 0 22px rgba(36,229,176,.2);transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--neon);font-weight:600;font-size:15px}
.link-arrow span.arrow{transition:transform .22s ease}
.link-arrow:hover span.arrow{transform:translateX(4px)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface-1);position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:16px;height:1.6px;background:var(--text-1);border-radius:2px;transform:translateX(-50%);
}
.nav-toggle span{top:50%;margin-top:-.8px}
.nav-toggle span::before{content:"";top:-5px;left:0;transform:none}
.nav-toggle span::after{content:"";top:5px;left:0;transform:none}

/* ============ 移动端抽屉 ============ */
.mobile-nav{background:var(--ink-800);border-left:1px solid var(--line);width:320px;color:var(--text-1)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:700;color:var(--text-1)}
.mobile-nav .btn-close{filter:invert(1) grayscale(1);opacity:.7}
.mobile-nav .offcanvas-body{padding:14px 0}
.mobile-nav a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 22px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(31,44,68,.6);
}
.mobile-nav a.m-link:hover{background:var(--neon-soft);color:var(--neon)}
.mobile-nav a.m-link.active{color:var(--neon);background:rgba(36,229,176,.08);box-shadow:inset 3px 0 0 var(--neon)}
.mobile-nav a.m-link .m-arrow{color:var(--text-3)}
.mobile-nav a.m-link:hover .m-arrow{color:var(--neon)}

/* ============ 文章头部 ============ */
.article-head-wrap{
  position:relative;padding:48px 0 40px;
  background:
    radial-gradient(680px 300px at 12% 0%,rgba(36,229,176,.15),transparent 66%),
    radial-gradient(560px 300px at 96% 20%,rgba(123,97,255,.14),transparent 66%);
  border-bottom:1px solid var(--line);
}
.article-head-wrap::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:40px 40px;opacity:.5;mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 88%);
}
.breadcrumb-bar{position:relative;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px}
.breadcrumb-bar a:hover{color:var(--neon)}
.breadcrumb-bar .sep{color:var(--text-3);opacity:.6}
.breadcrumb-bar .current{color:var(--text-1)}
.article-eyebrow{position:relative;display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;color:var(--neon);text-transform:uppercase;margin-bottom:14px}
.article-eyebrow::before{content:"";width:22px;height:1px;background:var(--neon);display:inline-block}
.article-head-wrap h1{
  position:relative;font-size:44px;line-height:1.18;font-weight:800;letter-spacing:-.01em;max-width:920px;
}
.article-meta{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:14px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.7}
.article-meta .pill{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--pill);
  background:var(--surface-1);box-shadow:inset 0 0 0 1px rgba(36,229,176,.35);color:var(--neon);font-size:13px;
}
.article-cover{position:relative;margin-top:34px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);aspect-ratio:16/9;background:linear-gradient(135deg,var(--surface-2),var(--ink-800))}
.article-cover img{width:100%;height:100%;object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,0) 46%,rgba(7,10,18,.72) 100%)}

/* ============ 正文布局 ============ */
.reading-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:56px;align-items:start}
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:var(--text-1)}
.article-body > * + *{margin-top:1.2em}
.article-body p{color:var(--text-2)}
.article-body h2{
  font-size:30px;line-height:1.3;font-weight:700;color:var(--text-1);margin-top:44px;position:relative;padding-left:34px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.5em;width:24px;height:3px;border-radius:2px;background:var(--neon);
  box-shadow:0 0 14px rgba(36,229,176,.55);
}
.article-body h3{font-size:21px;font-weight:600;color:var(--text-1);margin-top:32px}
.article-body strong{color:var(--neon);font-weight:700}
.article-body a{color:var(--neon);border-bottom:1px solid rgba(36,229,176,.4)}
.article-body a:hover{border-bottom-color:var(--neon)}
.article-body ul,.article-body ol{padding-left:4px}
.article-body ul li{position:relative;padding-left:22px;margin-top:10px;color:var(--text-2)}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(36,229,176,.5)}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:34px;margin-top:10px;color:var(--text-2);counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.2em;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--ink-900);background:var(--neon);
}
.article-body blockquote{
  margin:28px 0;padding:20px 24px;background:var(--surface-1);border-left:3px solid var(--neon);
  border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-1);
}
.article-body blockquote p{color:var(--text-1);margin:0}
.article-body img{border-radius:var(--radius-md);margin:24px 0;box-shadow:var(--shadow-card)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:26px 0;font-size:15px;overflow:hidden;border-radius:var(--radius-md);box-shadow:inset 0 0 0 1px var(--line)}
.article-body thead th{background:var(--surface-2);color:var(--text-1);font-weight:600;text-align:left;padding:16px 18px}
.article-body tbody td{padding:14px 18px;color:var(--text-2);border-top:1px solid var(--line)}
.article-body tbody tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}
.reading-guide{
  display:flex;gap:16px;align-items:flex-start;padding:20px 22px;border-radius:var(--radius-md);
  background:var(--warn-bg);box-shadow:inset 0 0 0 1px var(--warn-line);margin-bottom:34px;
}
.reading-guide .rg-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(123,97,255,.18);box-shadow:inset 0 0 0 1px rgba(123,97,255,.4);
}
.reading-guide h2{font-size:17px;font-weight:700;color:var(--text-1);margin:0 0 6px}
.reading-guide p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0}
.empty-state{
  text-align:center;padding:64px 24px;border-radius:var(--radius-lg);background:var(--surface-1);
  box-shadow:var(--shadow-card);
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--text-1);margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ============ 目录 ============ */
.toc-panel{position:sticky;top:96px;padding:22px;border-radius:var(--radius-md);background:var(--surface-1);box-shadow:var(--shadow-card)}
.toc-panel h2{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--neon);font-weight:600;margin-bottom:14px}
.toc-list li + li{margin-top:2px}
.toc-list a{
  display:block;padding:7px 12px;font-size:14px;color:var(--text-2);border-left:2px solid transparent;border-radius:0 8px 8px 0;
}
.toc-list a:hover{color:var(--text-1);background:var(--neon-soft)}
.toc-list a.is-active{color:var(--neon);border-left-color:var(--neon);background:var(--neon-soft);text-shadow:0 0 12px rgba(36,229,176,.35)}

/* ============ 文末 ============ */
.article-foot{margin-top:52px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag-chip{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:var(--pill);font-size:13px;color:var(--text-2);
  background:var(--surface-1);box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .22s ease,color .22s ease;
}
.tag-chip:hover{color:var(--neon);box-shadow:inset 0 0 0 1px rgba(36,229,176,.45)}
.post-nav{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;font-size:14px}
.post-nav a{display:inline-flex;align-items:center;gap:8px;color:var(--text-2)}
.post-nav a:hover{color:var(--neon)}

/* ============ 延伸阅读 ============ */
.card-neon{
  height:100%;display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--surface-1);box-shadow:var(--shadow-card);transition:transform .24s ease,box-shadow .24s ease;
}
.card-neon:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--surface-2),var(--ink-800))}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.card-neon:hover .card-media img{transform:scale(1.04)}
.card-body-custom{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.chip{
  align-self:flex-start;font-size:12px;letter-spacing:.06em;padding:5px 12px;border-radius:var(--pill);
  color:var(--neon);background:var(--neon-soft);box-shadow:inset 0 0 0 1px rgba(36,229,176,.3);
}
.card-neon h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--text-1)}
.card-neon p{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.card-foot .arrow{color:var(--neon);transition:transform .22s ease}
.card-neon:hover .card-foot .arrow{transform:translateX(4px)}

/* ============ 区块标题 ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700}
.section-head .eyebrow{display:block;font-size:12px;letter-spacing:.12em;color:var(--neon);text-transform:uppercase;margin-bottom:10px}
.section-head p{color:var(--text-2);font-size:15px;max-width:560px;margin-top:10px}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;border-radius:28px;overflow:hidden;padding:52px;background:var(--surface-1);
  box-shadow:var(--shadow-card);display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(440px 260px at 90% 0%,rgba(36,229,176,.16),transparent 68%),
    radial-gradient(420px 260px at 4% 100%,rgba(123,97,255,.18),transparent 70%);
}
.cta-band h2{position:relative;font-size:30px;font-weight:700;line-height:1.3;max-width:520px}
.cta-band p{position:relative;color:var(--text-2);font-size:15px;margin-top:12px;max-width:540px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--ink-800);margin-top:96px;padding:72px 0 28px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:320px}
.footer-title{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:18px}
.footer-links li + li{margin-top:11px}
.footer-links a,.footer-contact li{font-size:14px;color:var(--text-2)}
.footer-contact li{display:flex;flex-direction:column;gap:2px;line-height:1.6}
.footer-contact li + li{margin-top:12px}
.footer-contact b{color:var(--text-1);font-weight:600;font-size:13px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container{padding-left:40px;padding-right:40px}
  .article-head-wrap h1{font-size:52px}
}
@media (max-width:1199px){
  .reading-grid{grid-template-columns:minmax(0,1fr)}
  .toc-panel{display:none}
  .article-body{max-width:100%}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-shell{height:64px;gap:16px}
  .section{padding:72px 0}
  .article-head-wrap{padding:36px 0 32px}
  .article-head-wrap h1{font-size:34px}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:26px}
  .cta-band{padding:38px 30px}
  .cta-band h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .brand-cn{font-size:16px}
  .brand-en{display:none}
  .article-head-wrap h1{font-size:28px;line-height:1.24}
  .article-cover{aspect-ratio:16/10;border-radius:var(--radius-md)}
  .article-meta{font-size:13px;gap:10px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;padding-left:28px;margin-top:36px}
  .article-body h3{font-size:18px}
  .article-body table{font-size:14px}
  .article-body thead th,.article-body tbody td{padding:12px 14px}
  .section-head h2{font-size:24px}
  .cta-band{padding:30px 22px;border-radius:22px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-coral,.cta-actions .btn-ghost{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;margin-top:36px}
  .site-footer{padding:56px 0 24px;margin-top:64px}
}
@media (max-width:519px){
  .btn-coral,.btn-ghost{padding:11px 18px;font-size:14px}
  .article-head-wrap h1{font-size:25px}
  .card-body-custom{padding:18px}
}

/* roulang page: category1 */
:root{
  --ink-900:#070A12;
  --ink-800:#0C1220;
  --surface-1:#111A2B;
  --surface-2:#16223A;
  --line:#1F2C44;
  --neon:#24E5B0;
  --neon-soft:rgba(36,229,176,.14);
  --coral:#FF6A45;
  --violet:#7B61FF;
  --text-1:#E8EEF9;
  --text-2:#9FB0C9;
  --text-3:#6B7C96;
  --warn-bg:#1A1430;
  --warn-line:rgba(123,97,255,.35);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 0 0 1px var(--line);
  --shadow-glow:0 18px 40px rgba(0,0,0,.45), inset 0 0 0 1px rgba(36,229,176,.35), 0 0 24px rgba(36,229,176,.18);
  --ease:240ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:1320px;margin:0 auto;padding-left:32px;padding-right:32px;}

/* ---------- 顶栏导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,10,18,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{width:30px;height:30px;flex:none;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-cn{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text-1);}
.brand-en{font-size:10px;letter-spacing:.18em;color:var(--text-3);text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link-custom{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);
}
.nav-link-custom::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--neon);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link-custom:hover{color:var(--text-1);}
.nav-link-custom:hover::after{transform:scaleX(1);}
.nav-link-custom.active{
  color:var(--neon);
  padding-right:26px;
  text-shadow:0 0 12px rgba(36,229,176,.45);
  background-image:radial-gradient(circle,var(--neon) 0 2px,transparent 2px);
  background-repeat:no-repeat;
  background-position:right 12px center;
}
.nav-link-custom.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:16px;background:var(--neon);border-radius:2px;
}
.nav-link-custom.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--radius-sm);
  background:var(--surface-1);border:1px solid var(--line);cursor:pointer;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text-1);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle:hover{border-color:rgba(36,229,176,.45);background:var(--surface-2);}

/* ---------- 按钮 ---------- */
.btn-coral{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border:0;border-radius:999px;
  background:var(--coral);color:#150A05;
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
}
.btn-coral:hover{background:#FF7F5F;color:#150A05;transform:translateY(-2px);box-shadow:0 0 24px rgba(255,106,69,.42);}
.btn-coral:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  border:1px solid rgba(36,229,176,.45);
  background:transparent;color:var(--neon);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-ghost:hover{background:var(--neon-soft);border-color:var(--neon);transform:translateY(-2px);box-shadow:0 0 20px rgba(36,229,176,.18);}
.link-cta{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--neon);font-size:15px;font-weight:600;
}
.link-cta span{transition:transform var(--ease);}
.link-cta:hover{color:#5CF3C8;}
.link-cta:hover span{transform:translateX(4px);}

/* ---------- 移动抽屉 ---------- */
.mobile-nav{
  --bs-offcanvas-width:320px;
  --bs-offcanvas-bg:var(--ink-800);
  --bs-offcanvas-color:var(--text-1);
  --bs-offcanvas-border-color:var(--line);
}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.mobile-nav .mobile-nav-title{font-size:16px;font-weight:600;}
.mobile-nav .btn-close-custom{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface-1);color:var(--text-2);font-size:18px;line-height:1;cursor:pointer;
  transition:color var(--ease),border-color var(--ease);
}
.mobile-nav .btn-close-custom:hover{color:var(--neon);border-color:rgba(36,229,176,.45);}
.mobile-nav-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 4px;border-bottom:1px solid var(--line);
  font-size:16px;color:var(--text-2);
}
.mobile-nav-link:hover{color:var(--neon);}
.mobile-nav-link.active{color:var(--neon);}
.mobile-nav-link .arrow{color:var(--text-3);}
.mobile-nav-link:hover .arrow,.mobile-nav-link.active .arrow{color:var(--neon);}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;}
.section-alt{
  background:linear-gradient(180deg,var(--ink-800),var(--ink-900));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.28;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.eyebrow{
  display:inline-block;margin-bottom:14px;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--neon);font-weight:600;
}

/* ---------- 窄版 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--ink-900) url(/assets/images/backpic/back-2.webp) right center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--ink-900) 0%,rgba(7,10,18,.94) 42%,rgba(7,10,18,.58) 100%);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:40px 40px;opacity:.5;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 78%);
  mask-image:linear-gradient(90deg,#000,transparent 78%);
}
.hero-glow{
  position:absolute;left:-180px;top:-300px;width:680px;height:680px;
  background:radial-gradient(circle,rgba(36,229,176,.18),transparent 65%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 72px;min-height:360px;display:flex;flex-direction:column;justify-content:center;}
.breadcrumb-custom{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-bottom:16px;font-size:13px;color:var(--text-3);
}
.breadcrumb-custom a:hover{color:var(--neon);}
.breadcrumb-custom .current{color:var(--text-1);}
.page-hero h1{
  font-size:clamp(26px,4vw,46px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--neon);}
.hero-lead{margin-top:18px;max-width:640px;font-size:16.5px;color:var(--text-2);}
.page-hero .link-cta{margin-top:26px;align-self:flex-start;}

/* ---------- 功能交替块 ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:44px 0;
}
.feature-row + .feature-row{border-top:1px solid var(--line);}
.feature-row.reverse .feature-media{order:2;}
.feature-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(135deg,var(--surface-2),var(--ink-800));
}
.feature-copy h3{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:14px;}
.feature-copy p{color:var(--text-2);font-size:15px;}
.point-list{margin-top:20px;display:grid;gap:10px;}
.point-list li{
  position:relative;padding-left:18px;
  color:var(--text-2);font-size:15px;line-height:1.7;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 10px rgba(36,229,176,.6);
}

/* ---------- 数据徽章带 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.stat-pill{
  background:var(--surface-1);border:1px solid var(--line);border-radius:999px;
  padding:24px 16px;text-align:center;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat-pill:hover{transform:translateY(-4px);box-shadow:var(--shadow-glow);border-color:rgba(36,229,176,.35);}
.stat-num{
  font-size:30px;font-weight:800;line-height:1.1;color:var(--neon);
  font-variant-numeric:tabular-nums;
}
.stat-pill.alt .stat-num{color:var(--coral);}
.stat-label{margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.5;}
.stat-note{margin-top:28px;font-size:12.5px;color:var(--text-3);}

/* ---------- 入口列表 ---------- */
.entry-list{border-top:1px solid var(--line);}
.entry{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:22px 18px;border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.entry:hover{background:var(--neon-soft);}
.entry-idx{
  font-size:14px;color:var(--text-3);font-variant-numeric:tabular-nums;font-weight:600;
}
.entry-body h3{font-size:17px;font-weight:600;line-height:1.45;}
.entry-body p{margin-top:4px;font-size:14px;color:var(--text-2);line-height:1.7;}
.entry-arrow{color:var(--text-3);font-size:18px;transition:transform var(--ease),color var(--ease);}
.entry:hover .entry-arrow{color:var(--neon);transform:translateX(4px);}

/* ---------- 非对称内容区 ---------- */
.split-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start;}
.split-copy h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.28;}
.split-copy p{margin-top:18px;color:var(--text-2);font-size:16px;}
.tip-card{
  background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-card);
}
.tip-card h3{font-size:18px;font-weight:600;margin-bottom:18px;}
.tip-card ul{display:grid;gap:14px;}
.tip-card li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.tip-card li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 10px rgba(36,229,176,.6);
}
.tip-card .tip-foot{margin-top:22px;font-size:12.5px;color:var(--text-3);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:48px;
}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-180px;width:440px;height:440px;
  background:radial-gradient(circle,rgba(123,97,255,.18),transparent 65%);
}
.cta-band::after{
  content:"";position:absolute;left:-140px;bottom:-220px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(36,229,176,.14),transparent 65%);
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-800);}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-desc{margin-top:16px;max-width:320px;font-size:14px;color:var(--text-2);line-height:1.75;}
.footer-title{font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--neon);}
.footer-contact li{margin-bottom:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.footer-contact b{display:block;color:var(--text-1);font-weight:600;font-size:13px;letter-spacing:.02em;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .section{padding:88px 0;}
  .feature-row{gap:52px;}
}
@media (max-width:1199.98px){
  .stat-strip{grid-template-columns:repeat(3,1fr);}
  .nav-link-custom{padding:10px 11px;font-size:14.5px;}
}
@media (max-width:991.98px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .section-head{margin-bottom:36px;}
  .feature-row{grid-template-columns:1fr;gap:32px;padding:32px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .split-grid{grid-template-columns:1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767.98px){
  .container{padding-left:20px;padding-right:20px;}
  .page-hero-inner{padding:40px 0 52px;min-height:320px;}
  .hero-lead{font-size:15.5px;}
  .entry{grid-template-columns:1fr;gap:8px;padding:20px 14px;}
  .entry-arrow{display:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-pill{border-radius:22px;padding:20px 14px;}
  .stat-num{font-size:26px;}
  .cta-band{padding:28px;}
  .btn-coral,.btn-ghost{padding:12px 22px;font-size:14.5px;}
}
@media (max-width:575.98px){
  .section{padding:56px 0;}
  .feature-copy h3{font-size:19px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#070A12;
  --ink-800:#0C1220;
  --surface-1:#111A2B;
  --surface-2:#16223A;
  --line:#1F2C44;
  --neon:#24E5B0;
  --neon-soft:rgba(36,229,176,.14);
  --coral:#FF6A45;
  --violet:#7B61FF;
  --text-1:#E8EEF9;
  --text-2:#9FB0C9;
  --text-3:#6B7C96;
  --warn-bg:#1A1430;
  --warn-line:rgba(123,97,255,.35);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --radius-lg:22px;
  --radius-xl:28px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 0 0 1px var(--line);
  --shadow-hover:0 22px 46px rgba(0,0,0,.5), inset 0 0 0 1px rgba(36,229,176,.35), 0 0 24px rgba(36,229,176,.18);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text-1);text-decoration:none;transition:color .2s ease, opacity .2s ease;}
a:hover{color:var(--neon);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px;}
.container{max-width:1320px;padding-left:32px;padding-right:32px;margin:0 auto;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,10,18,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.nav-shell{
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{width:30px;height:30px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-cn{font-size:15.5px;font-weight:700;color:var(--text-1);letter-spacing:.01em;}
.brand-en{font-size:10.5px;color:var(--text-3);letter-spacing:.16em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:30px;}
.nav-link-custom{
  position:relative;
  font-size:15px;color:var(--text-2);
  padding:6px 0;
  background-image:linear-gradient(90deg,var(--neon),var(--neon));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 2px;
  transition:color .2s ease, background-size .24s ease, text-shadow .2s ease;
}
.nav-link-custom:hover,.nav-link-custom:focus-visible{
  color:var(--text-1);
  background-size:100% 2px;
}
.nav-link-custom.active{
  color:var(--neon);
  background-size:100% 2px;
  text-shadow:0 0 12px rgba(36,229,176,.5);
}
.nav-link-custom.active::before{
  content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);
  width:2px;height:18px;border-radius:2px;background:var(--neon);
  box-shadow:0 0 10px rgba(36,229,176,.6);
}
.nav-link-custom.active::after{
  content:"";position:absolute;right:-10px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--neon);
  box-shadow:0 0 8px var(--neon);
}
.nav-actions{display:flex;align-items:center;gap:14px;}
.btn-coral{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--coral);color:#1A0A05;font-weight:700;
  border:1px solid transparent;border-radius:999px;
  padding:11px 22px;font-size:14.5px;line-height:1;
  transition:transform .2s ease, box-shadow .24s ease, filter .2s ease;
}
.btn-coral:hover{color:#1A0A05;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 26px rgba(255,106,69,.32);}
.btn-coral:active{transform:translateY(0);filter:brightness(.96);}
.btn-coral.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--neon);font-weight:600;
  border:1px solid rgba(36,229,176,.5);border-radius:999px;
  padding:11px 22px;font-size:14.5px;line-height:1;
  transition:background .22s ease, transform .2s ease, box-shadow .24s ease, color .2s ease;
}
.btn-ghost:hover{color:var(--neon);background:var(--neon-soft);transform:translateY(-2px);box-shadow:0 0 24px rgba(36,229,176,.2);}
.btn-ghost:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--surface-1);border:1px solid var(--line);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--neon);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-2);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle:hover{border-color:rgba(36,229,176,.45);}

/* ---------- Offcanvas ---------- */
.drawer-dark{background:var(--ink-800);color:var(--text-1);width:320px;border-left:1px solid var(--line);}
.drawer-dark .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.drawer-title{font-size:15px;font-weight:700;color:var(--text-1);}
.btn-close-custom{
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  width:34px;height:34px;border-radius:10px;font-size:18px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-close-custom:hover{color:var(--neon);border-color:rgba(36,229,176,.45);}
.drawer-body{padding:14px 14px 26px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 14px;border-radius:14px;font-size:15px;color:var(--text-2);
}
.drawer-link:hover{background:var(--neon-soft);color:var(--text-1);}
.drawer-link.active{background:var(--neon-soft);color:var(--neon);box-shadow:inset 2px 0 0 var(--neon);}
.drawer-link i{font-style:normal;color:var(--text-3);}

/* ---------- Layout ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;color:var(--neon);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.section-head{max-width:760px;}
.section-title{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.section-desc{color:var(--text-2);font-size:15.5px;margin-top:14px;line-height:1.8;}
.text-2{color:var(--text-2);}
.text-3{color:var(--text-3);font-size:13px;}

/* ---------- Breadcrumb ---------- */
.breadcrumb-custom{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;}
.breadcrumb-custom a{color:var(--text-3);}
.breadcrumb-custom a:hover{color:var(--neon);}
.breadcrumb-custom span.sep{color:var(--line);}
.breadcrumb-custom span.current{color:var(--text-1);}

/* ---------- Hero ---------- */
.hero-compare{
  position:relative;overflow:hidden;
  padding:64px 0 76px;
  background:
    radial-gradient(720px 340px at 4% 0%, rgba(36,229,176,.16), transparent 62%),
    radial-gradient(620px 320px at 96% 100%, rgba(123,97,255,.16), transparent 66%),
    var(--ink-900);
}
.hero-compare::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(to right,var(--text-1) 1px,transparent 1px),
                   linear-gradient(to bottom,var(--text-1) 1px,transparent 1px);
  background-size:40px 40px;
}
.hero-compare .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.hero-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-card);}
.hero-media img{width:100%;height:100%;min-height:280px;object-fit:cover;aspect-ratio:16/11;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,10,18,.55) 0%,rgba(7,10,18,.05) 60%,rgba(7,10,18,.35) 100%);
}
.hero-title{font-size:42px;line-height:1.15;font-weight:800;letter-spacing:-.01em;margin-bottom:16px;}
.hero-title em{font-style:normal;color:var(--neon);}
.hero-lead{font-size:17px;color:var(--text-2);max-width:620px;margin-bottom:10px;}
.hero-sub{font-size:14.5px;color:var(--text-3);margin-bottom:24px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--neon);font-weight:600;font-size:15px;
  transition:transform .2s ease, color .2s ease;
}
.link-arrow i{font-style:normal;transition:transform .2s ease;}
.link-arrow:hover{color:var(--neon);transform:translateX(4px);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- Asymmetric intro ---------- */
.grid-asym{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:start;}
.panel{
  background:var(--surface-1);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:30px 28px;
}
.panel p+p{margin-top:14px;}
.point-list{margin-top:22px;display:grid;gap:12px;}
.point-list li{position:relative;padding-left:18px;color:var(--text-2);font-size:15px;}
.point-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--neon);box-shadow:0 0 8px rgba(36,229,176,.7);
}
.stat-stack{display:grid;gap:16px;}
.stat-card{
  background:var(--surface-1);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);padding:22px 24px;
  transition:transform .24s ease, box-shadow .24s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stat-num{font-size:34px;font-weight:800;color:var(--neon);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-num small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:6px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ---------- Filter chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.filter-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;
  background:var(--surface-1);color:var(--text-2);
  border:1px solid var(--line);
  transition:border-color .2s ease, color .2s ease, background .2s ease;
}
.filter-chip:hover{border-color:rgba(36,229,176,.45);color:var(--text-1);}
.filter-chip.is-active{background:var(--neon);color:#062018;border-color:var(--neon);font-weight:700;}

/* ---------- Compare table ---------- */
.compare-group{margin-top:44px;}
.compare-group:first-of-type{margin-top:0;}
.group-title{
  display:flex;align-items:center;gap:12px;
  font-size:20px;font-weight:600;margin-bottom:18px;
}
.group-title::before{
  content:"";width:24px;height:2px;border-radius:2px;background:var(--neon);
  box-shadow:0 0 10px rgba(36,229,176,.6);
}
.compare-block{
  background:var(--surface-1);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.compare-head{
  display:grid;grid-template-columns:180px 1fr 1fr;
  background:var(--surface-2);min-height:56px;align-items:center;
}
.compare-head>span{padding:16px 20px;font-size:14px;font-weight:700;letter-spacing:.02em;}
.compare-head .col-label{color:var(--text-3);}
.compare-head .col-web{color:var(--neon);}
.compare-head .col-app{color:var(--text-2);}
.compare-row{
  display:grid;grid-template-columns:180px 1fr 1fr;
  border-top:1px solid var(--line);
  transition:background .22s ease;
}
.compare-row:nth-child(odd){background:rgba(255,255,255,.02);}
.compare-row:hover{background:var(--neon-soft);}
.compare-row>div{padding:20px;font-size:14.5px;line-height:1.75;color:var(--text-2);}
.compare-row .row-label{color:var(--text-1);font-weight:600;font-size:14.5px;}
.compare-row .cell-web{color:var(--text-1);}
.chip-neon{
  display:inline-flex;align-items:center;
  margin-left:8px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--neon);
  background:var(--neon-soft);border:1px solid rgba(36,229,176,.4);
  vertical-align:middle;
}
.chip-coral{
  display:inline-flex;align-items:center;
  margin-left:8px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--coral);
  background:rgba(255,106,69,.12);border:1px solid rgba(255,106,69,.4);
  vertical-align:middle;
}

/* ---------- Badge band ---------- */
.badge-band{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
}
.badge-pill{
  background:var(--surface-1);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);padding:22px 20px;text-align:center;
  transition:transform .24s ease, box-shadow .24s ease;
}
.badge-pill:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.badge-pill b{display:block;font-size:30px;font-weight:800;color:var(--coral);font-variant-numeric:tabular-nums;line-height:1.1;}
.badge-pill b em{font-style:normal;font-size:14px;color:var(--text-2);font-weight:600;margin-left:4px;}
.badge-pill span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-2);}

/* ---------- Advice ---------- */
.advice-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;margin-top:12px;}
.advice-card{
  background:var(--surface-1);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:28px 26px;
  transition:transform .24s ease, box-shadow .24s ease;
}
.advice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.advice-card h3{font-size:18px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.advice-card h3 i{font-style:normal;width:8px;height:8px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(36,229,176,.7);display:inline-block;}
.advice-card p{color:var(--text-2);font-size:14.5px;margin-bottom:16px;}
.advice-list{display:grid;gap:10px;}
.advice-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text-2);
  padding:10px 0;border-top:1px solid var(--line);
}
.advice-list li b{color:var(--text-1);font-weight:600;}
.advice-list li::before{content:"—";color:var(--neon);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--surface-1);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-card);
  padding:48px 44px;
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(420px 200px at 6% 10%, rgba(36,229,176,.16), transparent 64%),
    radial-gradient(420px 220px at 96% 90%, rgba(123,97,255,.18), transparent 66%);
}
.cta-band>*{position:relative;z-index:2;}
.cta-band h2{font-size:28px;line-height:1.3;margin-bottom:12px;}
.cta-band p{color:var(--text-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-media{
  border-radius:var(--radius-lg);overflow:hidden;grid-column:2;
  box-shadow:var(--shadow-card);display:none;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-800);
  margin-top:96px;position:relative;
}
.site-footer::before{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px;color:var(--text-2);}
.footer-links a{color:var(--text-2);}
.footer-links a:hover{color:var(--neon);}
.footer-contact b{display:block;color:var(--text-3);font-size:12.5px;font-weight:600;letter-spacing:.04em;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .hero-title{font-size:36px;}
  .badge-band{grid-template-columns:repeat(3,1fr);}
  .section{padding:80px 0;}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{height:58px;}
  .container{padding-left:20px;padding-right:20px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .hero-title{font-size:30px;}
  .grid-asym{grid-template-columns:1fr;gap:24px;}
  .advice-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px 26px;}
  .cta-actions{justify-content:flex-start;}
  .compare-head{display:none;}
  .compare-row{
    grid-template-columns:1fr;
    padding:18px 20px;gap:10px;
  }
  .compare-row>div{padding:12px 0;border-top:1px solid var(--line);}
  .compare-row>div:first-child{border-top:0;padding-top:0;}
  .compare-row>div::before{
    content:attr(data-label);
    display:block;font-size:12.5px;color:var(--text-3);margin-bottom:4px;letter-spacing:.04em;
  }
  .badge-band{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
  .section{padding:64px 0;}
  .section-title{font-size:26px;}
}
@media (max-width:575.98px){
  .hero-compare{padding:44px 0 56px;}
  .hero-title{font-size:26px;}
  .hero-lead{font-size:15.5px;}
  .badge-band{grid-template-columns:1fr 1fr;gap:14px;}
  .badge-pill b{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section-title{font-size:23px;}
  .panel{padding:24px 20px;}
  .compare-block{border-radius:var(--radius-md);}
  .btn-coral,.btn-ghost{padding:10px 18px;font-size:14px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#070A12;
  --ink-800:#0C1220;
  --surface-1:#111A2B;
  --surface-2:#16223A;
  --line:#1F2C44;
  --neon:#24E5B0;
  --neon-soft:rgba(36,229,176,.14);
  --coral:#FF6A45;
  --violet:#7B61FF;
  --text-1:#E8EEF9;
  --text-2:#9FB0C9;
  --text-3:#6B7C96;
  --warn-bg:#1A1430;
  --warn-line:rgba(123,97,255,.35);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-xl:28px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 0 0 1px var(--line);
  --shadow-hover:0 24px 52px rgba(0,0,0,.5), inset 0 0 0 1px rgba(36,229,176,.35), 0 0 24px rgba(36,229,176,.18);
  --ease:240ms cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--ink-900);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--neon);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-1);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1320px;margin-inline:auto;padding-left:32px;padding-right:32px;}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,10,18,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.nav-shell{
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);}
.brand:hover{color:var(--text-1);}
.brand-mark{width:30px;height:30px;flex:0 0 30px;filter:drop-shadow(0 0 8px rgba(36,229,176,.35));}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-cn{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-en{font-size:10px;letter-spacing:.16em;color:var(--text-3);text-transform:uppercase;}

.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-link-custom{
  position:relative;display:inline-block;
  padding:10px 16px;
  font-size:15px;color:var(--text-2);
  border-radius:999px;
  background-image:linear-gradient(90deg,var(--neon),rgba(36,229,176,0));
  background-repeat:no-repeat;
  background-size:0% 2px;
  background-position:18px calc(100% - 4px);
  transition:color var(--ease),background-size var(--ease),background-color var(--ease);
}
.nav-link-custom::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--neon);border-radius:2px;
  transition:height var(--ease);
}
.nav-link-custom::after{
  content:"";position:absolute;right:6px;top:50%;transform:translateY(-50%) scale(0);
  width:4px;height:4px;border-radius:50%;background:var(--neon);
  box-shadow:0 0 10px rgba(36,229,176,.8);
  transition:transform var(--ease);
}
.nav-link-custom:hover{color:var(--text-1);background-color:var(--neon-soft);background-size:calc(100% - 34px) 2px;}
.nav-link-custom.active{
  color:var(--neon);
  text-shadow:0 0 12px rgba(36,229,176,.45);
  padding-left:20px;padding-right:20px;
}
.nav-link-custom.active::before{height:18px;}
.nav-link-custom.active::after{transform:translateY(-50%) scale(1);}

.nav-actions{display:flex;align-items:center;gap:12px;}
.btn-coral{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--coral);color:#180A05;
  border:none;border-radius:999px;
  padding:12px 26px;font-size:15px;font-weight:700;
  box-shadow:0 10px 26px rgba(255,106,69,.28);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-coral:hover{color:#180A05;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(255,106,69,.4);}
.btn-coral:active{transform:translateY(0);}
.btn-sm{padding:9px 20px;font-size:14px;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--neon);
  border:1px solid rgba(36,229,176,.5);border-radius:999px;
  padding:12px 26px;font-size:15px;font-weight:600;
  transition:background-color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-ghost:hover{color:var(--neon);background:var(--neon-soft);border-color:var(--neon);transform:translateY(-2px);box-shadow:0 0 22px rgba(36,229,176,.22);}
.btn-ghost:active{transform:translateY(0);}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface-1);
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--neon);border-radius:2px;box-shadow:0 -6px 0 var(--neon),0 6px 0 var(--neon);}
.nav-toggle:hover{border-color:rgba(36,229,176,.5);box-shadow:0 0 18px rgba(36,229,176,.18);}

.mobile-nav{background:var(--ink-800);color:var(--text-1);width:320px;border-left:1px solid var(--line);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;}
.mobile-nav .offcanvas-title{font-size:15px;color:var(--text-3);letter-spacing:.08em;}
.nav-close{background:transparent;border:none;color:var(--text-2);font-size:24px;line-height:1;padding:4px 8px;border-radius:8px;transition:color var(--ease);}
.nav-close:hover{color:var(--neon);}
.mobile-nav .offcanvas-body{padding:10px 16px 28px;}
.m-nav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 14px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
  transition:color var(--ease),background-color var(--ease),padding-left var(--ease);
}
.m-nav-link::after{content:"→";color:var(--text-3);transition:transform var(--ease),color var(--ease);}
.m-nav-link:hover{color:var(--text-1);padding-left:20px;}
.m-nav-link:hover::after{transform:translateX(4px);color:var(--neon);}
.m-nav-link.active{color:var(--neon);background:var(--neon-soft);border-radius:12px;border-bottom-color:transparent;}

/* ============ 面包屑 ============ */
.crumb-wrap{padding-top:28px;}
.crumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--neon);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--text-1);}

/* ============ 窄版 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:348px;display:flex;align-items:center;
  margin-top:20px;border-radius:var(--radius-xl);
  background-image:
    linear-gradient(90deg,rgba(7,10,18,.94) 0%,rgba(7,10,18,.72) 58%,rgba(7,10,18,.55) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-card);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 320px at 22% 18%,rgba(36,229,176,.18),transparent 70%),
    radial-gradient(460px 300px at 88% 96%,rgba(123,97,255,.16),transparent 72%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;max-width:820px;margin-inline:auto;text-align:center;padding:64px 8px;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;
  color:var(--neon);margin-bottom:16px;text-transform:uppercase;
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,46px);
  line-height:1.16;font-weight:800;letter-spacing:-.01em;
}
.page-hero h1 em{font-style:normal;color:var(--neon);}
.hero-line{margin-top:18px;font-size:16px;color:var(--text-2);max-width:620px;margin-inline:auto;}
.hero-cta-row{margin-top:26px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--neon);font-weight:600;font-size:15px;
  transition:transform var(--ease),color var(--ease);
}
.text-link .arw{transition:transform var(--ease);}
.text-link:hover{color:var(--neon);transform:translateX(4px);}
.text-link:hover .arw{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-inline:auto;text-align:center;}
.section-title{font-size:clamp(24px,2.6vw,33px);line-height:1.25;font-weight:700;}
.section-desc{margin-top:14px;color:var(--text-2);font-size:15.5px;}

/* ============ 使用前准备（非对称） ============ */
.prep-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.prep-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);position:relative;}
.prep-figure img{width:100%;height:310px;object-fit:cover;}
.prep-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 20px;font-size:12.5px;color:var(--text-2);
  background:linear-gradient(180deg,transparent,rgba(7,10,18,.92));
}
.prep-copy{margin-top:22px;color:var(--text-2);font-size:15.5px;}
.prep-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.prep-card{
  background:var(--surface-1);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.prep-card h3{font-size:17px;font-weight:600;line-height:1.45;display:flex;align-items:center;gap:10px;}
.prep-card h3 .ic{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  border:1.5px solid rgba(36,229,176,.5);color:var(--neon);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
}
.prep-card p{margin-top:12px;font-size:14.5px;line-height:1.75;color:var(--text-2);}

/* ============ 五步流程时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;position:relative;}
.step{
  position:relative;background:var(--surface-1);border-radius:var(--radius-lg);
  padding:26px 20px 24px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step:not(:last-child)::after{
  content:"";position:absolute;top:53px;right:-14px;width:18px;height:1.5px;
  background:linear-gradient(90deg,rgba(36,229,176,.7),rgba(36,229,176,0));
}
.step-ring{
  width:54px;height:54px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1.5px solid rgba(36,229,176,.45);
  background:var(--ink-800);color:var(--neon);
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
  box-shadow:0 0 20px rgba(36,229,176,.14);
}
.step.is-current .step-ring{background:var(--neon);color:var(--ink-900);border-color:var(--neon);}
.step-title{margin-top:18px;font-size:17px;font-weight:600;line-height:1.45;}
.step-desc{margin-top:10px;font-size:14px;line-height:1.72;color:var(--text-2);}
.step-note{margin-top:14px;font-size:12.5px;color:var(--text-3);}

/* ============ 提示条 ============ */
.notice{
  margin-top:52px;background:var(--warn-bg);
  border:1px solid var(--warn-line);border-radius:var(--radius-lg);
  padding:26px 28px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
}
.notice h3{font-size:17px;font-weight:600;}
.notice p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:760px;}
.notice-figure{width:220px;border-radius:var(--radius-md);overflow:hidden;box-shadow:0 12px 30px rgba(0,0,0,.4);}
.notice-figure img{width:100%;height:120px;object-fit:cover;}

/* ============ FAQ 手风琴 ============ */
.faq-wrap{max-width:920px;margin-inline:auto;}
.faq-accordion .accordion-item{
  background:var(--surface-1);border:1px solid var(--line);
  border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:rgba(36,229,176,.35);box-shadow:0 0 24px rgba(36,229,176,.1);}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text-1);
  font-size:16.5px;font-weight:600;line-height:1.5;
  padding:20px 56px 20px 22px;border:none;box-shadow:none;
  position:relative;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--neon);}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--neon);border-radius:0 3px 3px 0;transform:scaleY(0);
  transition:transform var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.faq-accordion .accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;
  margin:0;transform:translateY(-50%);
  background-image:linear-gradient(var(--neon),var(--neon)),linear-gradient(var(--neon),var(--neon));
  background-size:14px 1.6px,1.6px 14px;
  background-position:center;background-repeat:no-repeat;
  transition:transform var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--neon);outline-offset:-2px;}
.faq-accordion .accordion-body{
  padding:0 24px 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85;
}
.faq-accordion .accordion-body strong{color:var(--neon);font-weight:600;}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--surface-1);border-radius:var(--radius-xl);
  padding:52px 48px;box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:1.25fr 1fr;gap:36px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(420px 260px at 12% 10%,rgba(36,229,176,.16),transparent 70%),
    radial-gradient(420px 260px at 92% 92%,rgba(123,97,255,.16),transparent 72%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;}
.cta-card p{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-note{margin-top:16px;font-size:12.5px;color:var(--text-3);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;background:var(--ink-800);position:relative;
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-2);max-width:300px;line-height:1.8;}
.footer-title{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:18px;}
.footer-links li,.footer-contact li{margin-bottom:12px;font-size:14px;color:var(--text-2);}
.footer-links a{color:var(--text-2);}
.footer-links a:hover{color:var(--neon);}
.footer-contact b{display:block;font-weight:600;color:var(--text-1);font-size:13px;margin-bottom:2px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container{padding-left:40px;padding-right:40px;}
  .section{padding:120px 0;}
}
@media (max-width:1199px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .prep-grid{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .step:nth-child(3)::after{display:none;}
  .cta-card{grid-template-columns:1fr;padding:44px 36px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:991px){
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2n)::after{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .notice{grid-template-columns:1fr;padding:24px;}
  .notice-figure{width:100%;}
  .notice-figure img{height:150px;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .nav-shell{height:58px;}
  .brand-cn{font-size:15px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .page-hero{min-height:300px;border-radius:var(--radius-lg);}
  .page-hero-inner{padding:48px 4px;}
  .hero-line{font-size:15px;}
  .prep-list{grid-template-columns:1fr;}
  .prep-figure img{height:220px;}
  .steps{grid-template-columns:1fr;gap:0;padding-left:0;}
  .steps::before{
    content:"";position:absolute;left:23px;top:16px;bottom:16px;width:1.5px;
    background:linear-gradient(180deg,rgba(36,229,176,.75),rgba(36,229,176,0));
  }
  .step{
    background:transparent;box-shadow:none;border-radius:0;
    padding:0 0 30px 72px;min-height:0;
  }
  .step:hover{transform:none;box-shadow:none;}
  .step::after{display:none !important;}
  .step-ring{position:absolute;left:0;top:0;width:48px;height:48px;font-size:14px;}
  .step-title{margin-top:6px;}
  .step-desc{margin-top:8px;}
  .faq-accordion .accordion-button{font-size:15.5px;padding:18px 48px 18px 18px;}
  .faq-accordion .accordion-body{padding:0 18px 20px;}
  .cta-card{padding:34px 22px;border-radius:var(--radius-lg);}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn-coral,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575px){
  .page-hero h1{font-size:26px;}
  .section-title{font-size:22px;}
  .step{padding-left:64px;}
  .step-ring{width:44px;height:44px;}
  .steps::before{left:21px;}
}

/* roulang page: category4 */
:root{
  --ink-900:#070A12;
  --ink-800:#0C1220;
  --surface-1:#111A2B;
  --surface-2:#16223A;
  --line:#1F2C44;
  --neon:#24E5B0;
  --neon-soft:rgba(36,229,176,.14);
  --coral:#FF6A45;
  --violet:#7B61FF;
  --text-1:#E8EEF9;
  --text-2:#9FB0C9;
  --text-3:#6B7C96;
  --warn-bg:#1A1430;
  --warn-line:rgba(123,97,255,.35);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 0 0 1px var(--line);
  --shadow-hover:0 22px 46px rgba(0,0,0,.5), inset 0 0 0 1px rgba(36,229,176,.35), 0 0 24px rgba(36,229,176,.18);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --container:1320px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:inherit;text-decoration:none;transition:color .22s ease, background-color .22s ease, border-color .22s ease, transform .22s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,.form-control:focus-visible{
  outline:2px solid var(--neon);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:var(--container);padding-left:32px;padding-right:32px;margin:0 auto;width:100%;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--neon);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--neon);opacity:.8;}
.section{padding:104px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:32px;line-height:1.25;font-weight:700;}
.section-head p{margin-top:16px;color:var(--text-2);font-size:15px;line-height:1.8;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,10,18,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;
  height:70px;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:30px;height:30px;flex:0 0 30px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-cn{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.01em;}
.brand-en{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--text-3);}
.nav-menu{display:flex;align-items:center;gap:6px;flex-wrap:nowrap;}
.nav-link-custom{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 14px;
  font-size:14.5px;color:var(--text-2);
  border-radius:var(--pill);
  white-space:nowrap;
}
.nav-link-custom::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--neon);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link-custom:hover{color:var(--text-1);}
.nav-link-custom:hover::after{transform:scaleX(1);}
.nav-link-custom.active{
  color:var(--neon);
  text-shadow:0 0 14px rgba(36,229,176,.45);
}
.nav-link-custom.active::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:2px;height:16px;border-radius:2px;background:var(--neon);
  box-shadow:0 0 10px rgba(36,229,176,.7);
}
.nav-link-custom.active::after{
  transform:scaleX(0);
}
.nav-link-custom.active .nav-dot{
  width:4px;height:4px;border-radius:50%;background:var(--neon);
  margin-left:7px;box-shadow:0 0 8px rgba(36,229,176,.9);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn-coral{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--coral);color:#1A0B06;
  border:none;border-radius:var(--pill);
  padding:12px 24px;font-size:14.5px;font-weight:700;
  transition:transform .22s ease, box-shadow .22s ease, background-color .22s ease;
  box-shadow:0 10px 26px rgba(255,106,69,.28);
}
.btn-coral:hover{background:#FF7F5E;color:#1A0B06;transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,106,69,.38);}
.btn-coral:active{transform:translateY(0);}
.btn-coral.btn-sm{padding:10px 20px;font-size:13.5px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--neon);
  border:1px solid rgba(36,229,176,.5);
  border-radius:var(--pill);
  padding:12px 24px;font-size:14.5px;font-weight:600;
  transition:transform .22s ease, box-shadow .22s ease, background-color .22s ease, border-color .22s ease;
}
.btn-ghost:hover{background:var(--neon-soft);border-color:var(--neon);color:var(--neon);transform:translateY(-2px);box-shadow:0 0 24px rgba(36,229,176,.2);}
.btn-ghost:active{transform:translateY(0);}
.link-cta{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--neon);font-size:14.5px;font-weight:600;
}
.link-cta i{transition:transform .22s ease;}
.link-cta:hover{color:#5BF2C7;}
.link-cta:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:12px;
  background:var(--surface-1);border:1px solid var(--line);
  position:relative;cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:1.6px;background:var(--neon);border-radius:2px;content:"";
}
.nav-toggle span{top:50%;margin-top:-0.8px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动端抽屉 */
.mobile-nav{background:var(--ink-800);border-left:1px solid var(--line);width:310px;color:var(--text-1);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;}
.mobile-nav-title{font-size:14px;letter-spacing:.1em;color:var(--neon);text-transform:uppercase;}
.btn-close-custom{
  background:transparent;border:1px solid var(--line);color:var(--text-2);
  width:34px;height:34px;border-radius:10px;font-size:18px;line-height:1;cursor:pointer;
}
.btn-close-custom:hover{color:var(--neon);border-color:rgba(36,229,176,.45);}
.mobile-nav .offcanvas-body{padding:14px 14px 32px;}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 14px;border-radius:12px;color:var(--text-2);font-size:15px;
}
.mobile-link:hover{background:var(--surface-1);color:var(--text-1);}
.mobile-link.active{
  background:var(--neon-soft);color:var(--neon);
  box-shadow:inset 2px 0 0 var(--neon);
}
.mobile-link span{color:var(--text-3);}

/* ============ 窄版 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:88px 0 76px;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(760px 380px at 8% -6%, rgba(36,229,176,.16), transparent 62%),
    radial-gradient(620px 340px at 96% 110%, rgba(123,97,255,.14), transparent 66%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:40px 40px;
  opacity:.5;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{
  font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.01em;
  max-width:880px;
}
.page-hero h1 em{font-style:normal;color:var(--neon);}
.hero-lead{
  margin-top:20px;max-width:660px;color:var(--text-2);font-size:16px;line-height:1.85;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--pill);
  background:var(--surface-1);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
  transition:border-color .22s ease,color .22s ease,background-color .22s ease;
}
.chip i{color:var(--neon);font-size:12px;}
.chip:hover{border-color:rgba(36,229,176,.45);color:var(--text-1);background:var(--surface-2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ============ 场景卡片 ============ */
.scene-grid-row{align-items:flex-start;}
.scene-card{
  background:var(--surface-1);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  height:100%;
  transition:transform .24s ease, box-shadow .24s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.scene-media{
  position:relative;overflow:hidden;
  height:180px;
  background:linear-gradient(135deg,var(--surface-2),var(--ink-800));
}
.scene-card--tall .scene-media{height:248px;}
.scene-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.scene-card:hover .scene-media img{transform:scale(1.04);}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,.05),rgba(7,10,18,.72));
}
.scene-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:5px 13px;border-radius:var(--pill);
  background:rgba(7,10,18,.72);border:1px solid rgba(36,229,176,.4);
  color:var(--neon);font-size:12px;letter-spacing:.04em;
  backdrop-filter:blur(6px);
}
.scene-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.scene-body h3{font-size:17.5px;line-height:1.45;font-weight:600;}
.scene-body p{margin-top:10px;color:var(--text-2);font-size:14.5px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.scene-foot{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.scene-foot .go{display:inline-flex;align-items:center;gap:8px;color:var(--neon);font-weight:600;font-size:13.5px;}
.scene-foot .go i{transition:transform .22s ease;}
.scene-card:hover .scene-foot .go i{transform:translateX(4px);}

/* ============ 非对称图文块 ============ */
.split-block{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
}
.split-block.reverse{grid-template-columns:5fr 7fr;}
.split-media{position:relative;}
.split-media img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius-lg);}
.split-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  box-shadow:inset 0 0 0 1px var(--line);
  background:linear-gradient(200deg,rgba(7,10,18,0),rgba(7,10,18,.55));
  pointer-events:none;
}
.split-copy h2{font-size:31px;line-height:1.28;}
.split-copy p{margin-top:18px;color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:560px;}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text-1);line-height:1.7;
}
.point-list li::before{
  content:"";flex:0 0 7px;width:7px;height:7px;border-radius:50%;
  background:var(--neon);margin-top:10px;box-shadow:0 0 10px rgba(36,229,176,.7);
}
.point-list li span{color:var(--text-2);}

/* ============ 资源清单 ============ */
.res-list{border-top:1px solid var(--line);}
.res-item{
  display:grid;grid-template-columns:80px 1fr auto;
  gap:24px;align-items:center;
  padding:24px 20px;border-bottom:1px solid var(--line);
  border-radius:14px;
  transition:background-color .22s ease,transform .22s ease;
}
.res-item:hover{background:var(--neon-soft);transform:translateX(4px);}
.res-index{
  font-size:22px;font-weight:800;color:var(--neon);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.res-main h3{font-size:17px;font-weight:600;}
.res-main p{margin-top:8px;color:var(--text-2);font-size:14.5px;line-height:1.7;}
.res-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--neon);font-size:14px;font-weight:600;white-space:nowrap;
}
.res-link i{transition:transform .22s ease;}
.res-item:hover .res-link i{transform:translateX(4px);}
.res-tag{
  display:inline-block;margin-right:10px;
  padding:3px 10px;border-radius:var(--pill);
  background:var(--surface-2);border:1px solid var(--line);
  color:var(--text-3);font-size:12px;
}

/* ============ 订阅区 ============ */
.subscribe-panel{
  position:relative;overflow:hidden;
  background:var(--surface-1);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-card);
  padding:56px;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.subscribe-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(520px 280px at 4% 0%, rgba(36,229,176,.16), transparent 60%),
    radial-gradient(520px 300px at 100% 100%, rgba(123,97,255,.18), transparent 62%);
}
.subscribe-copy{position:relative;z-index:2;}
.subscribe-copy h2{font-size:30px;line-height:1.28;}
.subscribe-copy p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:520px;}
.subscribe-visual{position:relative;z-index:2;}
.subscribe-visual img{width:100%;height:250px;object-fit:cover;border-radius:var(--radius-lg);box-shadow:inset 0 0 0 1px var(--line);}
.sub-form{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr auto;gap:14px;margin-top:30px;}
.form-control{
  height:48px;background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-sm);color:var(--text-1);font-size:14.5px;padding:0 16px;
  width:100%;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{
  background:var(--surface-2);border-color:var(--neon);color:var(--text-1);
  box-shadow:0 0 0 2px rgba(36,229,176,.22);outline:none;
}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.6;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  background:linear-gradient(120deg,var(--surface-2),var(--ink-800));
  box-shadow:var(--shadow-card);
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(480px 260px at 82% 10%, rgba(255,106,69,.16), transparent 62%),
             radial-gradient(420px 240px at 6% 100%, rgba(36,229,176,.14), transparent 64%);
}
.cta-band h2{position:relative;z-index:2;font-size:28px;line-height:1.3;max-width:640px;}
.cta-band p{position:relative;z-index:2;margin-top:12px;color:var(--text-2);font-size:15px;max-width:600px;}
.cta-band-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-800);
  padding:72px 0 28px;
  margin-top:104px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,229,176,.55),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:44px;border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:18px;}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;max-width:320px;}
.footer-title{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:var(--text-2);font-size:14px;}
.footer-links a:hover{color:var(--neon);}
.footer-contact li{
  color:var(--text-2);font-size:14px;margin-bottom:12px;line-height:1.7;
}
.footer-contact b{display:block;color:var(--text-3);font-size:12px;font-weight:500;letter-spacing:.06em;margin-bottom:2px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;color:var(--text-3);font-size:12.5px;
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container{padding-left:40px;padding-right:40px;}
  .section{padding:120px 0;}
}
@media (max-width:1199.98px){
  .nav-menu{gap:0;}
  .nav-link-custom{padding:8px 10px;font-size:13.5px;}
  .split-block,.split-block.reverse{grid-template-columns:1fr 1fr;gap:40px;}
  .subscribe-panel{grid-template-columns:1fr;padding:44px;gap:32px;}
  .subscribe-visual img{height:220px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-toggle{display:block;}
  .nav-shell{height:62px;}
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;}
  .page-hero{padding:64px 0 56px;}
  .page-hero h1{font-size:34px;}
  .split-block,.split-block.reverse{grid-template-columns:1fr;gap:32px;}
  .split-media img{height:300px;}
  .split-copy h2{font-size:27px;}
  .cta-band{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .res-item{grid-template-columns:60px 1fr;row-gap:12px;}
  .res-item .res-link{grid-column:2;justify-self:start;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .container{padding-left:20px;padding-right:20px;}
  .page-hero{padding:52px 0 46px;}
  .page-hero h1{font-size:27px;line-height:1.25;}
  .hero-lead{margin-top:16px;font-size:15px;}
  .hero-actions{gap:12px;}
  .btn-coral,.btn-ghost{padding:11px 20px;font-size:14px;width:100%;}
  .hero-actions .link-cta{width:100%;}
  .section-head h2{font-size:24px;}
  .scene-media{height:190px;}
  .scene-card--tall .scene-media{height:190px;}
  .split-media img{height:230px;}
  .split-copy h2{font-size:23px;}
  .subscribe-panel{padding:30px 22px;border-radius:var(--radius-lg);}
  .subscribe-copy h2{font-size:23px;}
  .sub-form{grid-template-columns:1fr;}
  .subscribe-visual img{height:180px;}
  .cta-band{padding:32px 22px;border-radius:var(--radius-lg);}
  .cta-band h2{font-size:22px;}
  .cta-band-actions{width:100%;}
  .res-item{padding:20px 12px;grid-template-columns:1fr;}
  .res-index{font-size:18px;}
  .site-footer{padding:56px 0 24px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}