/* roulang page: index */
:root{
  --ink-950:#08121C;
  --ink-900:#0B1826;
  --ink-800:#10202F;
  --glass:rgba(255,255,255,.06);
  --glass-hover:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --brand-500:#C9863F;
  --brand-400:#E0A45C;
  --accent-500:#4FA39A;
  --sand:#E8D5B7;
  --text-1:#EEF3F7;
  --text-2:#A8B7C4;
  --text-3:#6C7C8B;
  --ok:#5FAF8A;
  --warn:#D98A3C;
  --err:#C7654F;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-btn:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(232,213,183,.040) 0 1px, transparent 1px 9px),
    repeating-linear-gradient(0deg, rgba(232,213,183,.026) 0 1px, transparent 1px 13px);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
::selection{background:rgba(201,134,63,.35);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--ink-950)}
::-webkit-scrollbar-thumb{background:rgba(201,134,63,.35);border-radius:999px;border:2px solid var(--ink-950)}
::-webkit-scrollbar-thumb:hover{background:rgba(201,134,63,.6)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}

.section{padding:80px 0;position:relative;z-index:2}
@media(min-width:768px){.section{padding:112px 0}}
.section-tight{padding:64px 0}
@media(min-width:768px){.section-tight{padding:88px 0}}

.h1{font-size:clamp(32px,4.6vw,56px);font-weight:800;line-height:1.18;letter-spacing:-.01em;margin:0;color:var(--text-1)}
.h2{font-size:clamp(24px,2.8vw,36px);font-weight:700;line-height:1.3;margin:0;color:var(--text-1)}
.h3{font-size:19px;font-weight:600;line-height:1.45;margin:0;color:var(--text-1)}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);margin:0}
.muted{color:var(--text-2)}
.dim{color:var(--text-3)}
.tiny{font-size:13px;line-height:1.8;color:var(--text-3)}
.num{font-variant-numeric:tabular-nums}
.h2-line::before{content:"";display:block;width:22px;height:3px;border-radius:2px;background:var(--brand-500);margin-bottom:16px}

.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06), 0 24px 48px -28px rgba(0,0,0,.65);
  transition:background .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.glass-hover:hover{
  background:var(--glass-hover);
  border-color:rgba(224,164,92,.34);
  transform:translateY(-3px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08), 0 30px 56px -28px rgba(0,0,0,.72);
}
.panel-line{border-top:1px solid var(--line)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;border:1px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-500),var(--brand-400));
  color:#1A1206;
  box-shadow:0 0 24px -6px rgba(201,134,63,.45);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 32px -4px rgba(201,134,63,.6)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400)}
.btn-ghost:active{background:rgba(255,255,255,.04)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-full{width:100%}

.link-underline{position:relative;color:var(--text-2);transition:color .22s var(--ease)}
.link-underline::after{content:"";position:absolute;left:50%;bottom:-4px;height:1px;width:0;background:var(--brand-500);transform:translateX(-50%);transition:width .2s var(--ease)}
.link-underline:hover{color:var(--brand-400)}
.link-underline:hover::after{width:100%}

/* top bar */
.topbar{background:var(--ink-950);border-bottom:1px solid var(--line);position:relative;z-index:60}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px;font-size:13px;color:var(--text-3)}
.topbar-left{display:none;align-items:center;gap:10px}
.topbar-dot{width:6px;height:6px;border-radius:999px;background:var(--ok);box-shadow:0 0 10px rgba(95,175,138,.8)}
.topbar-right{display:flex;align-items:center;gap:18px;margin-left:auto}

/* nav */
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,18,28,.62);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease)}
.site-header.scrolled{background:rgba(8,18,28,.9);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom-color:var(--line);box-shadow:0 18px 40px -32px rgba(0,0,0,.9)}
.nav-inner{display:flex;align-items:center;height:74px;gap:20px}
.brand{display:flex;flex-direction:column;justify-content:center;gap:2px;min-width:0}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--text-1);line-height:1.2;white-space:nowrap}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--text-3);line-height:1.2;text-transform:uppercase}
.brand-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(140deg,rgba(201,134,63,.9),rgba(79,163,154,.65));color:#150E04;font-weight:800;font-size:15px;flex:none;box-shadow:0 0 20px -6px rgba(201,134,63,.6)}
.nav-links{display:none;align-items:center;gap:28px;margin-left:26px}
.nav-link{position:relative;padding:8px 2px;font-size:15px;color:var(--text-2);transition:color .22s var(--ease)}
.nav-link::after{content:"";position:absolute;left:50%;bottom:-2px;height:2px;width:0;background:var(--brand-500);border-radius:2px;transform:translateX(-50%);transition:width .2s var(--ease)}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text-1);font-weight:600}
.nav-link.active::after{width:56%}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-actions .btn-ghost{display:none}
.burger{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:transparent;cursor:pointer;color:var(--text-1)}
.burger:hover{border-color:var(--brand-400);color:var(--brand-400)}
@media(min-width:1024px){
  .nav-links{display:flex}
  .nav-actions .btn-ghost{display:inline-flex}
  .burger{display:none}
}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(8,18,28,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;background:rgba(11,24,38,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-left:1px solid var(--line);transform:translateX(102%);transition:transform .26s var(--ease);z-index:81;display:flex;flex-direction:column;padding:22px}
.drawer.open{transform:translateX(0)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.drawer-nav a{padding:14px 12px;border-radius:12px;font-size:16px;color:var(--text-2);border:1px solid transparent}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(255,255,255,.05);color:var(--text-1);border-color:var(--line)}

/* hero */
.hero{position:relative;padding:72px 0 80px;overflow:hidden}
@media(min-width:768px){.hero{padding:104px 0 120px}}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.hero-veil{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(8,18,28,.72),rgba(8,18,28,.86) 62%,var(--ink-950) 100%)}
.hero-grid{display:grid;gap:36px;align-items:start}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:40px;align-items:center}}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;overflow-x:auto;scrollbar-width:none}
.badge-row::-webkit-scrollbar{display:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;border:1px solid var(--line);
  font-size:12px;line-height:1.6;color:var(--text-2);background:rgba(255,255,255,.03);white-space:nowrap;
}
.badge-accent{background:rgba(79,163,154,.14);border-color:rgba(79,163,154,.4);color:#9FD6CF}
.badge-brand{background:rgba(201,134,63,.14);border-color:rgba(201,134,63,.42);color:var(--brand-400)}
.hero-cta{display:flex;flex-direction:column;gap:12px;margin-top:32px}
@media(min-width:640px){.hero-cta{flex-direction:row;align-items:center}}

.quick-card{padding:26px}
.field{display:block;margin-bottom:16px}
.field-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field-input{
  width:100%;padding:12px 14px;border-radius:var(--r-input);
  background:var(--ink-800);border:1px solid var(--line);color:var(--text-1);
  font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field-input::placeholder{color:var(--text-3)}
.field-input:focus{outline:none;border-color:var(--brand-400);box-shadow:0 0 0 3px rgba(224,164,92,.15)}
select.field-input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.7}
.checkbox-row input{margin-top:3px;accent-color:var(--brand-500);width:15px;height:15px;flex:none}

/* pain */
.pain-grid{display:grid;gap:16px;margin-top:44px}
@media(min-width:1024px){
  .pain-grid{grid-template-columns:7fr 5fr;gap:28px;align-items:start}
  .pain-col{display:flex;flex-direction:column;gap:24px}
  .pain-col-b{margin-top:24px}
}
.pain-card{padding:24px}
.pain-q{font-size:18px;font-weight:600;line-height:1.5;color:var(--text-1);margin:0 0 10px}
.pain-q::before{content:"？";color:var(--brand-500);font-weight:800;margin-right:8px}

/* solutions */
.sol-grid{display:grid;gap:24px;margin-top:44px}
@media(min-width:768px){.sol-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.sol-grid{grid-template-columns:repeat(3,1fr);gap:28px}}
.sol-card{padding:26px;display:flex;flex-direction:column;gap:14px}
.sol-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;border:1px solid var(--line);background:rgba(79,163,154,.1);color:var(--accent-500)}
.sol-icon svg{width:24px;height:24px;stroke-width:1.5}
.sol-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text-2)}
.sol-list li{position:relative;padding-left:18px}
.sol-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--brand-500)}
.sol-card.feature{border-color:rgba(224,164,92,.42);background:linear-gradient(150deg,rgba(201,134,63,.10),rgba(255,255,255,.05))}
@media(min-width:1024px){.sol-card.feature{grid-column:span 2;flex-direction:row;gap:26px;align-items:flex-start}}
.sol-card.feature .sol-feature-body{display:flex;flex-direction:column;gap:14px;flex:1}

/* stats */
.stat-band{margin-top:44px;padding:8px;border-radius:22px}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border-radius:16px;overflow:hidden}
@media(min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:rgba(11,24,38,.72);padding:26px 22px}
.stat-num{font-size:clamp(30px,4vw,44px);font-weight:800;line-height:1.1;color:var(--text-1);letter-spacing:-.02em}
.stat-num .unit{font-size:15px;font-weight:600;color:var(--brand-400);margin-left:4px;letter-spacing:0}
.stat-desc{font-size:13px;line-height:1.7;color:var(--text-3);margin-top:10px}

/* news */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.news-grid{display:grid;gap:24px;margin-top:40px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:28px}}
.news-card{display:flex;flex-direction:column;overflow:hidden;height:100%}
.news-cover{
  aspect-ratio:16/10;width:100%;border-radius:var(--r-img);overflow:hidden;
  background:
    radial-gradient(120% 90% at 15% 15%, rgba(201,134,63,.34), transparent 60%),
    radial-gradient(110% 100% at 85% 80%, rgba(79,163,154,.28), transparent 62%),
    linear-gradient(140deg,#0E1E2E,#0B1826 62%,#0A1622);
  border:1px solid var(--line);
  display:grid;place-items:center;
  transition:transform .26s var(--ease);
}
.news-card:hover .news-cover{transform:scale(1.03)}
.news-cover svg{width:40px;height:40px;color:rgba(232,213,183,.35);stroke-width:1.4}
.news-body{padding:20px 4px 4px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--text-1);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand-400)}
.news-sum{
  font-size:14px;line-height:1.8;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:14px;font-size:13px;color:var(--text-3);margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}

.empty-state{padding:56px 24px;text-align:center;border-radius:var(--r-card);border:1px dashed var(--line);background:rgba(255,255,255,.02);margin-top:40px}
.empty-state svg{width:48px;height:48px;margin:0 auto 18px;color:var(--text-3);stroke-width:1.3}
.empty-state p{margin:0 0 20px;color:var(--text-2);font-size:15px}

/* faq */
.faq-wrap{max-width:860px;margin:44px auto 0}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:18px;font-weight:600;color:var(--text-1);line-height:1.5;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-400)}
.faq-plus{position:relative;width:18px;height:18px;flex:none;transition:transform .22s var(--ease)}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-500);border-radius:2px;transform:translate(-50%,-50%)}
.faq-plus::before{width:16px;height:2px}
.faq-plus::after{width:2px;height:16px}
.faq-item.open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 4px 24px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* cta */
.cta-panel{padding:36px;border-radius:22px;position:relative;overflow:hidden}
@media(min-width:768px){.cta-panel{padding:52px}}
.cta-panel::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(201,134,63,.22),transparent 70%);pointer-events:none}
.cta-grid{display:grid;gap:32px}
@media(min-width:1024px){.cta-grid{grid-template-columns:6fr 6fr;gap:48px;align-items:center}}
.privacy-block{margin-top:36px;padding:24px 26px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.025)}
.privacy-block h3{font-size:15px;font-weight:600;color:var(--text-1);margin:0 0 12px}
.privacy-block p{margin:0 0 10px;font-size:13px;line-height:1.9;color:var(--text-3)}
.privacy-block p:last-child{margin-bottom:0}

/* footer */
.site-footer{background:var(--ink-950);border-top:1px solid rgba(232,213,183,.18);padding:64px 0 0;position:relative;z-index:2}
.footer-grid{display:grid;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin:0 0 18px;letter-spacing:.02em}
.footer-col p{font-size:13px;line-height:1.9;color:var(--text-3);margin:0 0 8px}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:13px;color:var(--text-3);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand-400)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand-400)}

/* modal */
.modal-mask{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(8,18,28,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s}
.modal-mask.open{opacity:1;visibility:visible}
.modal-box{width:100%;max-width:560px;max-height:88vh;overflow-y:auto;padding:28px;border-radius:20px;background:rgba(13,26,40,.96);border:1px solid var(--line);box-shadow:0 40px 80px -40px rgba(0,0,0,.9);transform:scale(.98);transition:transform .2s var(--ease)}
.modal-mask.open .modal-box{transform:scale(1)}
.modal-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--line);background:transparent;cursor:pointer;color:var(--text-2)}
.modal-close:hover{border-color:var(--brand-400);color:var(--brand-400)}

/* back to top */
.to-top{position:fixed;right:20px;bottom:24px;width:48px;height:48px;border-radius:999px;display:grid;place-items:center;background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);color:var(--text-1);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .24s var(--ease);z-index:70}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--brand-400);color:var(--brand-400)}

@media(max-width:767px){
  .section{padding:64px 0}
  .hero{padding:56px 0 64px}
  .sol-grid,.news-grid,.pain-grid{gap:16px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .topbar-inner{justify-content:flex-end}
  .topbar-right{gap:12px}
  .brand-sub{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink-950:#08121C;
  --ink-900:#0B1826;
  --ink-800:#10202F;
  --glass:rgba(255,255,255,.06);
  --glass-hi:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --brand-500:#C9863F;
  --brand-400:#E0A45C;
  --accent-500:#4FA39A;
  --sand:#E8D5B7;
  --text-1:#EEF3F7;
  --text-2:#A8B7C4;
  --text-3:#6C7C8B;
  --ok:#5FAF8A;
  --warn:#D98A3C;
  --err:#C7654F;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-btn:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:repeating-linear-gradient(112deg,rgba(232,213,183,.05) 0 2px,transparent 2px 11px);
  opacity:.55;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
::selection{background:rgba(201,134,63,.35);color:#fff}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
.tab-num{font-variant-numeric:tabular-nums}

/* ============ 顶部信息条 ============ */
.site-topbar{background:var(--ink-950);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-2);position:relative;z-index:70}
.site-topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:16px;min-width:0}
.topbar-left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:var(--text-2);transition:color .22s var(--ease)}
.topbar-link:hover{color:var(--brand-400)}
.topbar-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:linear-gradient(135deg,rgba(201,134,63,.95),rgba(224,164,92,.95));
  color:#1B1206;font-weight:600;font-size:12px;
}
.dot-live{width:6px;height:6px;border-radius:999px;background:#1B1206;opacity:.7}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,18,28,.72);
  backdrop-filter:blur(10px) saturate(120%);
  -webkit-backdrop-filter:blur(10px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{background:rgba(8,18,28,.94);border-bottom-color:var(--line);backdrop-filter:blur(16px) saturate(120%)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:var(--brand-400);
  background:var(--glass);border:1px solid rgba(201,134,63,.38);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 12px 26px -18px rgba(201,134,63,.6);
}
.brand-main{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);line-height:1.25;white-space:nowrap}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.12em;line-height:1.3;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;transition:color .22s var(--ease),opacity .22s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand-500),var(--brand-400));
  border-radius:2px;transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text-1);opacity:1}
.nav-link.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-weight:600;font-size:15px;padding:12px 22px;
  cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-500),var(--brand-400));
  color:#1B1206;
  box-shadow:0 0 24px -6px rgba(201,134,63,.45);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 32px -6px rgba(224,164,92,.6)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(0,0,0,.3)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);background:transparent}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;color:var(--text-1);
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.burger:hover{border-color:var(--brand-400);color:var(--brand-400)}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,18,28,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:80;
}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(82vw,340px);
  background:rgba(11,24,38,.96);
  backdrop-filter:blur(14px) saturate(120%);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .26s var(--ease);
  z-index:90;padding:22px 20px;display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .mobile-drawer{transform:translateX(0)}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:var(--glass);
  border:1px solid var(--line);color:var(--text-1);font-size:20px;line-height:1;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{border-color:var(--brand-400);color:var(--brand-400)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  padding:14px 4px;font-size:15.5px;color:var(--text-2);
  border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-links a:hover{color:var(--brand-400);padding-left:8px}
.drawer-links a.active{color:var(--text-1)}
.drawer-note{font-size:12.5px;color:var(--text-3);line-height:1.8}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:44px 0 38px;
  background-image:
    linear-gradient(180deg,rgba(8,18,28,.80),rgba(8,18,28,.96)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb li{display:flex;align-items:center;gap:6px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb .current{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;line-height:1.22;letter-spacing:-.01em;
  max-width:900px;
}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;margin-top:20px;font-size:13.5px;color:var(--text-3)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-sep{width:1px;height:14px;background:var(--line)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);background:var(--glass);
}
.badge-accent{color:var(--accent-500);border-color:rgba(79,163,154,.38);background:rgba(79,163,154,.12)}

/* ============ 正文阅读区 ============ */
.article-main{padding:52px 0 20px}
.article-wrap{max-width:760px;margin:0 auto}
.article-body{font-size:17px;line-height:1.9;color:#D9E3EC}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;
  margin:44px 0 18px;padding-left:14px;
  border-left:4px solid var(--brand-500);color:var(--text-1);
}
.article-body h3{
  position:relative;font-size:19px;font-weight:600;line-height:1.5;
  margin:32px 0 14px;padding-left:18px;color:var(--text-1);
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.62em;
  width:8px;height:8px;border-radius:2px;background:var(--accent-500);
}
.article-body h4{font-size:16.5px;font-weight:600;margin:24px 0 12px;color:var(--text-1)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0}
.article-body li::marker{color:var(--brand-500)}
.article-body a{color:var(--accent-500);border-bottom:1px solid rgba(79,163,154,.42);transition:color .2s var(--ease),border-color .2s var(--ease)}
.article-body a:hover{color:var(--brand-400);border-bottom-color:var(--brand-400)}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;
  background:var(--glass);border-left:3px solid var(--sand);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0 8px;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:8px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body code{
  background:var(--ink-800);border:1px solid var(--line);
  padding:2px 7px;border-radius:6px;font-size:14px;color:var(--brand-400);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-img);
}
.article-body thead{background:var(--ink-800)}
.article-body th{
  padding:12px 16px;text-align:left;font-weight:600;color:var(--text-1);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr{transition:background .2s var(--ease)}
.article-body tbody tr:hover{background:rgba(255,255,255,.035)}
.article-body tbody tr:last-child td{border-bottom:0}

.article-divider{max-width:760px;margin:44px auto 0;height:1px;background:var(--line)}

/* ============ 空态 ============ */
.empty-state{
  max-width:620px;margin:0 auto;text-align:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:48px 28px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 24px 48px -28px rgba(0,0,0,.65);
}
.empty-state svg{width:48px;height:48px;margin:0 auto 18px;color:var(--text-3)}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ============ 继续了解 ============ */
.related{padding:56px 0 30px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-head h2{
  position:relative;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.42em;width:22px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand-500),var(--brand-400));
}
.sec-desc{font-size:14.5px;color:var(--text-2);margin-top:10px;padding-left:16px}
.link-more{font-size:14px;color:var(--accent-500);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.link-more:hover{color:var(--brand-400);border-bottom-color:var(--brand-400)}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 24px 48px -28px rgba(0,0,0,.65);
  transition:background .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.rec-card:hover{
  background:var(--glass-hi);transform:translateY(-3px);
  border-color:rgba(224,164,92,.36);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 30px 56px -28px rgba(0,0,0,.75);
}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--ink-800)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.45}
.rec-body p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}

/* ============ 栏目返回 ============ */
.back-band{padding:8px 0 64px}
.back-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 24px 48px -28px rgba(0,0,0,.65);
}
.back-panel p{font-size:14.5px;color:var(--text-2);max-width:60ch}
.back-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* ============ 隐私说明 ============ */
.privacy-block{padding:0 0 64px}
.privacy-inner{
  border-top:1px solid var(--line);padding-top:24px;
  font-size:13px;line-height:1.9;color:var(--text-3);max-width:820px;
}
.privacy-inner h2{font-size:15px;font-weight:700;color:var(--text-2);margin-bottom:10px}
.privacy-inner a{color:var(--accent-500);border-bottom:1px solid rgba(79,163,154,.4)}
.privacy-inner a:hover{color:var(--brand-400);border-bottom-color:var(--brand-400)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-950);border-top:1px solid rgba(232,213,183,.18);padding:56px 0 0;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-col p{font-size:13.5px;color:var(--text-2);line-height:1.85;margin-bottom:10px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13.5px;color:var(--text-2);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:var(--brand-400);padding-left:4px}
.footer-bottom{
  margin-top:40px;border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--brand-400)}

/* ============ 弹层 ============ */
.modal{
  position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(8,18,28,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.modal.is-open{opacity:1;visibility:visible}
.modal-panel{
  width:100%;max-width:560px;max-height:88vh;overflow-y:auto;
  background:rgba(11,24,38,.94);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px 26px;position:relative;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 36px 70px -30px rgba(0,0,0,.8);
  transform:scale(.98);transition:transform .2s var(--ease);
}
.modal.is-open .modal-panel{transform:scale(1)}
.modal-title{font-size:20px;font-weight:700;margin-bottom:8px}
.modal-sub{font-size:13.5px;color:var(--text-2);margin-bottom:20px;line-height:1.8}
.modal-close{
  position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.modal-close:hover{color:var(--brand-400);border-color:var(--brand-400)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--r-input);padding:12px 14px;font-size:14.5px;color:var(--text-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-400);
  box-shadow:0 0 0 3px rgba(224,164,92,.16);
}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--text-3);line-height:1.75;margin:6px 0 18px}
.consent input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand-500);flex:none}
.consent a{color:var(--accent-500);border-bottom:1px solid rgba(79,163,154,.4)}
.form-ok{
  margin-top:14px;font-size:13.5px;color:var(--ok);
  background:rgba(95,175,138,.12);border:1px solid rgba(95,175,138,.34);
  border-radius:var(--r-input);padding:10px 14px;
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:20px;bottom:24px;width:48px;height:48px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);z-index:70;
  transition:opacity .24s var(--ease),visibility .24s var(--ease),transform .24s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--brand-400);border-color:var(--brand-400)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .burger{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .nav-actions .btn-ghost{display:none}
  .nav-actions .btn-primary{display:none}
  .nav-inner{height:64px}
  .brand-main{font-size:15px}
  .brand-sub{font-size:10.5px;letter-spacing:.08em}
  .topbar-right .topbar-link{display:none}
  .article-hero{padding:32px 0 28px}
  .article-main{padding:36px 0 12px}
  .article-body{font-size:16.5px}
  .rec-grid{grid-template-columns:1fr;gap:16px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .back-panel{flex-direction:column;align-items:flex-start}
  .back-actions{width:100%}
  .back-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .to-top{right:14px;bottom:16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-hero h1{font-size:25px}
  .breadcrumb .current{max-width:26ch}
  .rec-body{padding:18px 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --ink-950:#08121C;
  --ink-900:#0B1826;
  --ink-800:#10202F;
  --glass:rgba(255,255,255,.06);
  --glass-hover:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --brand-500:#C9863F;
  --brand-400:#E0A45C;
  --accent-500:#4FA39A;
  --sand:#E8D5B7;
  --text-1:#EEF3F7;
  --text-2:#A8B7C4;
  --text-3:#6C7C8B;
  --ok:#5FAF8A;
  --warn:#D98A3C;
  --err:#C7654F;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-btn:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 24px 48px -28px rgba(0,0,0,.65);
  --shadow-hover: inset 0 1px 0 rgba(255,255,255,.08), 0 30px 56px -22px rgba(0,0,0,.72);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink-950);
  color:var(--text-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    repeating-linear-gradient(92deg, rgba(232,213,183,.05) 0 1px, transparent 1px 11px),
    repeating-linear-gradient(3deg, rgba(232,213,183,.035) 0 1px, transparent 1px 17px);
  opacity:.75;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}

/* ---------- 顶部信息条 ---------- */
.topbar{
  position:relative;
  z-index:45;
  background:var(--ink-950);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.topbar-inner{
  height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.topbar-link{color:var(--text-2);transition:color .22s var(--ease)}
.topbar-link:hover{color:var(--brand-400)}
.btn-xs{padding:5px 12px;font-size:12.5px;border-radius:9px;line-height:1.4}
@media(max-width:767px){
  .topbar-left{display:none}
  .topbar-inner{justify-content:flex-end;height:40px}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(8,18,28,.72);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease), border-color .24s var(--ease), backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,18,28,.94);
  border-bottom-color:var(--line);
  backdrop-filter:blur(16px) saturate(120%);
}
.nav-inner{
  height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:0}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(155deg,var(--brand-400),var(--brand-500));
  color:#181006;
  font-weight:800;
  font-size:17px;
  box-shadow:0 0 22px -8px rgba(201,134,63,.7);
}
.brand-main{font-size:15px;font-weight:700;letter-spacing:.01em;color:var(--text-1);white-space:nowrap}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--text-3);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:10px;
  transition:color .22s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:calc(100% - 28px)}
.nav-link.active{color:var(--text-1);opacity:1}
.nav-link.active::after{width:calc(100% - 28px)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.burger{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:11px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text-1);
  cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.burger:hover{border-color:var(--brand-400);color:var(--brand-400)}
.nav-overlay{
  position:fixed;
  inset:0;
  z-index:55;
  background:rgba(8,18,28,.72);
  backdrop-filter:blur(6px);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
body.nav-open .nav-overlay{opacity:1;visibility:visible}
@media(max-width:1023px){
  .nav-links{
    position:fixed;
    top:0;right:0;
    z-index:60;
    width:84%;
    max-width:340px;
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:88px 22px 32px;
    background:rgba(11,24,38,.96);
    backdrop-filter:blur(16px) saturate(120%);
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .26s var(--ease);
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-link{padding:14px 12px;font-size:15.5px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-400)}
  .burger{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
}
@media(max-width:767px){
  .nav-inner{height:66px}
  .brand-sub{display:none}
  .brand-main{font-size:14px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn-primary{
  background-image:linear-gradient(180deg,var(--brand-400),var(--brand-500));
  color:#1A1206;
  box-shadow:0 0 24px -6px rgba(201,134,63,.45);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 0 32px -4px rgba(224,164,92,.6);
}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 8px rgba(0,0,0,.35)}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--brand-400);
  outline-offset:2px;
}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass);
  font-size:12px;
  color:var(--text-2);
  letter-spacing:.04em;
}
.badge-accent{
  border-color:rgba(79,163,154,.45);
  background:rgba(79,163,154,.14);
  color:#8FCBC4;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  z-index:1;
  margin-top:24px;
}
.banner-frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  min-height:278px;
  display:flex;
  align-items:flex-end;
  box-shadow:var(--shadow);
}
.banner-img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.banner-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,18,28,.62) 0%,rgba(8,18,28,.82) 62%,rgba(8,18,28,.94) 100%);
}
.banner-inner{position:relative;z-index:2;padding:36px 0 38px;width:100%}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:16px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--text-2);transition:color .22s var(--ease)}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb [aria-current="page"]{color:var(--text-3)}
.page-banner h1{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:820px;
}
.banner-lede{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:640px}
@media(max-width:767px){
  .page-banner{margin-top:16px}
  .banner-frame{min-height:246px;border-radius:16px}
  .banner-inner{padding:26px 0 28px}
}

/* ---------- 主区域骨架 ---------- */
.site-main{position:relative;z-index:1}
.section{padding:72px 0}
@media(min-width:768px){.section{padding:104px 0}}
.cat-layout{display:grid;grid-template-columns:196px minmax(0,1fr);gap:52px;align-items:start}
.rail{position:sticky;top:118px;display:flex;flex-direction:column;align-items:center;gap:18px}
.rail-index{
  font-size:64px;
  font-weight:800;
  line-height:1;
  color:rgba(232,213,183,.15);
  letter-spacing:-.02em;
}
.rail-title{
  writing-mode:vertical-rl;
  text-orientation:upright;
  letter-spacing:.3em;
  font-size:15px;
  color:var(--sand);
  font-weight:600;
}
.rail-line{width:1px;height:88px;background:linear-gradient(180deg,var(--brand-500),transparent)}
@media(max-width:1023px){
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .rail{position:static;flex-direction:row;align-items:center;gap:16px}
  .rail-index{font-size:34px}
  .rail-title{writing-mode:horizontal-tb;letter-spacing:.16em;font-size:14px}
  .rail-line{width:56px;height:1px;background:linear-gradient(90deg,var(--brand-500),transparent)}
}

.section-title{
  position:relative;
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  padding-left:32px;
  margin-bottom:18px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:22px;height:3px;
  border-radius:2px;
  background:var(--brand-500);
}
.section-desc{color:var(--text-2);font-size:15.5px;max-width:760px;margin-bottom:32px}
.block-gap{margin-top:70px}
@media(max-width:767px){.block-gap{margin-top:48px}}

/* ---------- 介绍段 ---------- */
.intro p{color:var(--text-2);font-size:16.5px;line-height:1.9}
.intro p+p{margin-top:18px}
.intro strong{color:var(--text-1);font-weight:600}
.intro-figure{
  margin:28px 0 0;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink-800);
  box-shadow:var(--shadow);
}
.intro-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.intro-figure figcaption{
  padding:14px 20px 16px;
  font-size:13px;
  color:var(--text-3);
  border-top:1px solid var(--line);
}

/* ---------- 要点卡 2×2 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.point-card{
  padding:26px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.point-card:hover{
  transform:translateY(-3px);
  background:var(--glass-hover);
  box-shadow:var(--shadow-hover);
  border-color:rgba(224,164,92,.35);
}
.point-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.point-icon{
  width:38px;height:38px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  border:1px solid var(--line);
  background:rgba(79,163,154,.12);
  color:var(--accent-500);
}
.point-index{font-size:12px;letter-spacing:.18em;color:var(--text-3)}
.point-card h3{font-size:19px;font-weight:600;color:var(--text-1)}
.point-card p{margin-top:10px;font-size:14.8px;color:var(--text-2);line-height:1.8}
@media(max-width:767px){
  .point-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .point-card{padding:22px}
}

/* ---------- 数据条 ---------- */
.stats-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
}
.stat-item{background:rgba(16,32,47,.86);padding:26px 22px}
.stat-num{font-size:clamp(34px,3.6vw,44px);font-weight:800;line-height:1.05;color:var(--text-1);letter-spacing:-.02em}
.stat-num span{font-size:15px;font-weight:600;color:var(--brand-400);margin-left:6px;letter-spacing:0}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-1);font-weight:600}
.stat-note{margin-top:6px;font-size:12.5px;color:var(--text-3);line-height:1.7}
@media(max-width:1023px){
  .stats-bar{
    grid-template-columns:none;
    grid-auto-flow:column;
    grid-auto-columns:minmax(230px,1fr);
    overflow-x:auto;
    scrollbar-width:none;
  }
  .stats-bar::-webkit-scrollbar{display:none}
}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow-step{
  position:relative;
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--glass);
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.flow-step:hover{background:var(--glass-hover);transform:translateY(-3px)}
.flow-step::after{
  content:"";
  position:absolute;
  top:44px;right:-14px;
  width:8px;height:8px;
  border-top:1px solid var(--brand-500);
  border-right:1px solid var(--brand-500);
  transform:rotate(45deg);
  opacity:.7;
}
.flow-step:last-child::after{display:none}
.flow-num{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--brand-400)}
.flow-step h3{margin-top:10px;font-size:17px;font-weight:600}
.flow-step p{margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.75}
@media(max-width:1023px){
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-step:nth-child(2)::after{display:none}
}
@media(max-width:767px){
  .flow{grid-template-columns:minmax(0,1fr);gap:14px}
  .flow-step::after{display:none}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px;
  font-size:18px;
  font-weight:600;
  color:var(--text-1);
  cursor:pointer;
  list-style:none;
  transition:color .22s var(--ease);
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:hover{color:var(--brand-400)}
.faq-icon{
  flex:0 0 auto;
  width:24px;height:24px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--brand-400);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--brand-400)}
.faq-a{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:760px}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:
    radial-gradient(120% 140% at 12% 0%, rgba(201,134,63,.18), transparent 58%),
    rgba(16,32,47,.9);
  backdrop-filter:blur(14px) saturate(120%);
  padding:40px 32px;
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;padding-left:32px;position:relative}
.cta-panel h2::before{content:"";position:absolute;left:0;top:.6em;width:22px;height:3px;border-radius:2px;background:var(--brand-500)}
.cta-panel p{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:700px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
@media(max-width:767px){
  .cta-panel{padding:28px 22px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* ---------- 隐私说明 ---------- */
.privacy-box{
  margin-top:34px;
  padding:24px 24px 24px 26px;
  border-left:2px solid rgba(232,213,183,.5);
  background:rgba(255,255,255,.03);
  border-radius:0 var(--r-card) var(--r-card) 0;
}
.privacy-box h3{font-size:15px;font-weight:600;color:var(--sand);margin-bottom:12px}
.privacy-box li{
  font-size:13.5px;
  line-height:1.9;
  color:var(--text-3);
  padding-left:14px;
  position:relative;
}
.privacy-box li+li{margin-top:6px}
.privacy-box li::before{
  content:"";
  position:absolute;
  left:0;top:.85em;
  width:5px;height:5px;
  border-radius:999px;
  background:rgba(232,213,183,.5);
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:80px;
  background:var(--ink-950);
  border-top:1px solid rgba(232,213,183,.16);
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);letter-spacing:.08em;margin-bottom:16px}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.85;max-width:340px}
.footer-col p+p{margin-top:8px}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:13.8px;color:var(--text-2);transition:color .22s var(--ease)}
.footer-links a:hover{color:var(--brand-400)}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);transition:color .22s var(--ease)}
.footer-bottom a:hover{color:var(--brand-400)}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:639px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:flex;align-items:center;justify-content:center;padding:20px}
.modal-mask{position:absolute;inset:0;background:rgba(8,18,28,.72);backdrop-filter:blur(6px)}
.modal-panel{
  position:relative;
  z-index:2;
  width:100%;
  max-width:560px;
  max-height:90vh;
  overflow-y:auto;
  padding:28px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--ink-800);
  box-shadow:var(--shadow-hover);
  animation:modalIn .2s var(--ease);
}
@keyframes modalIn{from{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}
.modal-panel h3{font-size:21px;font-weight:700}
.modal-panel>p{margin-top:10px;font-size:14px;color:var(--text-2)}
.modal-close{
  position:absolute;
  top:12px;right:12px;
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text-2);
  cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.modal-close:hover{color:var(--brand-400);border-color:var(--brand-400)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--text-2)}
.field input,.field select{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:var(--ink-800);
  color:var(--text-1);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{
  outline:none;
  border-color:var(--brand-400);
  box-shadow:0 0 0 3px rgba(224,164,92,.18);
}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.7}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand-500);flex:0 0 auto}
.check-row a{color:var(--brand-400);text-decoration:underline}
.form-actions{margin-top:20px}
.form-tip{
  display:none;
  margin-top:14px;
  font-size:13.5px;
  color:var(--ok);
  padding:10px 14px;
  border-radius:10px;
  border:1px solid rgba(95,175,138,.35);
  background:rgba(95,175,138,.1);
}
.form-tip.is-show{display:block}
@media(max-width:639px){.form-grid{grid-template-columns:1fr}}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:20px;
  bottom:24px;
  z-index:80;
  width:48px;height:48px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(16,32,47,.8);
  backdrop-filter:blur(12px);
  color:var(--text-2);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),color .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--brand-400);border-color:var(--brand-400)}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category2 */
:root{
  --ink-950:#08121C;
  --ink-900:#0B1826;
  --ink-800:#10202F;
  --glass:rgba(255,255,255,.06);
  --glass-hover:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.10);
  --brand-500:#C9863F;
  --brand-400:#E0A45C;
  --accent-500:#4FA39A;
  --sand:#E8D5B7;
  --text-1:#EEF3F7;
  --text-2:#A8B7C4;
  --text-3:#6C7C8B;
  --ok:#5FAF8A;
  --warn:#D98A3C;
  --err:#C7654F;
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-rest: inset 0 1px 0 rgba(255,255,255,.06), 0 24px 48px -28px rgba(0,0,0,.65);
  --shadow-hover: inset 0 1px 0 rgba(255,255,255,.08), 0 30px 56px -28px rgba(0,0,0,.7);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-950);
  color:var(--text-1);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.04;
  background-image:repeating-linear-gradient(92deg, rgba(232,213,183,.9) 0px, rgba(232,213,183,.9) 1px, transparent 1px, transparent 7px),
                   repeating-linear-gradient(88deg, rgba(232,213,183,.5) 0px, rgba(232,213,183,.5) 1px, transparent 1px, transparent 19px);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;position:relative;z-index:1;}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media(min-width:1024px){.container{padding-left:40px;padding-right:40px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink-950);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  position:relative;
  z-index:40;
}
.topbar-inner{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar-left .dot{width:6px;height:6px;border-radius:999px;background:var(--ok);flex:0 0 auto;}
.topbar-left span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-link{color:var(--text-2);transition:color .2s var(--ease);}
.topbar-link:hover{color:var(--brand-400);}
.topbar-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  border:1px solid rgba(201,134,63,.5);
  color:var(--brand-400);
  background:rgba(201,134,63,.10);
  font-size:12.5px;
  transition:all .2s var(--ease);
  cursor:pointer;
}
.topbar-btn:hover{background:rgba(201,134,63,.18);border-color:var(--brand-400);}
@media(max-width:767px){
  .topbar-left .hide-sm{display:none;}
  .topbar-link{display:none;}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(8,18,28,.72);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease), border-color .24s var(--ease), backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,18,28,.92);
  backdrop-filter:blur(16px) saturate(120%);
  border-bottom-color:var(--line);
}
.nav-inner{
  min-height:74px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:38px;height:38px;flex:0 0 auto;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;color:#22150A;
  background:linear-gradient(140deg,var(--brand-400),var(--brand-500));
  box-shadow:0 0 24px -6px rgba(201,134,63,.55);
}
.brand-main{
  font-size:15.5px;font-weight:800;letter-spacing:-.01em;color:var(--text-1);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.06em;white-space:nowrap;}
.nav-links{display:none;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--text-2);
  transition:color .2s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;height:2px;width:0;
  background:var(--brand-500);border-radius:2px;
  transform:translateX(-50%);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after{width:60%;}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{width:60%;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  color:var(--text-1);cursor:pointer;
  transition:all .2s var(--ease);
}
.burger:hover{background:var(--glass-hover);border-color:var(--brand-400);color:var(--brand-400);}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .burger{display:none;}
}
@media(max-width:520px){
  .nav-actions .btn-ghost{display:none;}
  .brand-sub{display:none;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:all .22s var(--ease);
}
.btn-sm{padding:10px 16px;font-size:13.5px;}
.btn-md{padding:13px 22px;font-size:15px;}
.btn-lg{padding:15px 28px;font-size:16px;}
.btn-primary{
  color:#22150A;
  background:linear-gradient(135deg,var(--brand-400),var(--brand-500));
  box-shadow:0 0 24px -6px rgba(201,134,63,.45);
}
.btn-primary:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 0 32px -6px rgba(201,134,63,.6);
}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.35);}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);}
.btn-ghost:active{transform:translateY(0);background:rgba(255,255,255,.04);}
.btn-block{width:100%;}
@media(max-width:767px){
  .hero-actions .btn{width:100%;}
}

/* ---------- 玻璃卡 ---------- */
.glass{
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(120%);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-rest);
  transition:transform .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease);
}
.glass-hover:hover{
  background:var(--glass-hover);
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;
  color:var(--text-2);
  background:rgba(255,255,255,.03);
  white-space:nowrap;
}
.badge-accent{
  color:#CDEDE8;
  background:rgba(79,163,154,.16);
  border-color:rgba(79,163,154,.4);
}
.badge-brand{
  color:#F2D6AE;
  background:rgba(201,134,63,.14);
  border-color:rgba(201,134,63,.4);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-400);
}
.h2-block{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;}
.h2-dash{width:22px;height:3px;border-radius:2px;background:var(--brand-500);margin-top:14px;flex:0 0 auto;}
h2{
  font-size:clamp(24px,2.8vw,36px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
h3{font-size:19px;font-weight:600;line-height:1.45;}
.section{padding-top:80px;padding-bottom:80px;}
@media(min-width:768px){.section{padding-top:112px;padding-bottom:112px;}}
.lead{color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-top:22px;padding-bottom:6px;font-size:12.5px;color:var(--text-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb li{display:flex;align-items:center;gap:6px;}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand-400);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-1);}

/* ---------- 页头文字区 ---------- */
.page-head{padding-top:26px;padding-bottom:30px;}
h1{
  font-size:clamp(32px,4.6vw,56px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:900px;
}
.page-head .sub{margin-top:16px;color:var(--text-2);font-size:16.5px;max-width:760px;}
.head-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- 大图 banner ---------- */
.banner{
  position:relative;
  height:340px;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-rest);
}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(8,18,28,.60) 0%, rgba(8,18,28,.72) 60%, rgba(8,18,28,.92) 100%);
}
.banner-inner{
  position:relative;z-index:2;
  height:100%;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;
  gap:14px;
}
@media(min-width:768px){.banner-inner{padding:40px;}}
.banner-inner h2{max-width:720px;font-size:clamp(22px,2.4vw,32px);}
.banner-inner p{color:var(--text-2);max-width:640px;font-size:15.5px;}
@media(max-width:640px){.banner{height:320px;}}

/* ---------- 层叠卡片流 ---------- */
.story-stack{display:flex;flex-direction:column;gap:96px;}
@media(min-width:768px){.story-stack{gap:112px;}}
.story-row{
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
  align-items:center;
}
.story-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/11;
  position:relative;
  box-shadow:var(--shadow-rest);
}
.story-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.story-media:hover img{transform:scale(1.03);}
.story-media .tag{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:999px;font-size:12px;
  color:#F2D6AE;background:rgba(8,18,28,.7);border:1px solid rgba(201,134,63,.45);
  backdrop-filter:blur(8px);
}
.story-text{padding:4px;}
.story-index{
  font-size:13px;letter-spacing:.2em;color:var(--brand-400);font-weight:700;
  font-variant-numeric:tabular-nums;
}
.story-text h3{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;margin-top:10px;}
.story-text p{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.story-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.story-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.8px;color:var(--text-1);}
.story-list .tick{
  width:20px;height:20px;flex:0 0 auto;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(79,163,154,.16);border:1px solid rgba(79,163,154,.4);
  color:var(--accent-500);margin-top:4px;
}
.story-list .tick svg{width:11px;height:11px;}
@media(min-width:1024px){
  .story-row{grid-template-columns:repeat(12,1fr);gap:32px;}
  .story-media{grid-column:span 7;}
  .story-text{grid-column:span 5;}
  .story-row.reverse .story-media{grid-column:6 / span 7;grid-row:1;}
  .story-row.reverse .story-text{grid-column:1 / span 5;grid-row:1;}
}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:1fr;gap:16px;
  padding:26px;
}
@media(min-width:640px){.stats{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);gap:24px;padding:32px;}}
.stat{padding:6px 4px;}
.stat .num{
  font-size:clamp(34px,4vw,46px);
  font-weight:800;line-height:1.1;
  color:var(--brand-400);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat .num small{font-size:16px;font-weight:600;color:var(--text-2);margin-left:4px;}
.stat .label{margin-top:8px;font-size:14.5px;color:var(--text-1);font-weight:600;}
.stat .note{margin-top:6px;font-size:12.5px;color:var(--text-3);line-height:1.7;}
.stat + .stat{border-top:1px solid var(--line);padding-top:18px;}
@media(min-width:640px){
  .stat + .stat{border-top:0;padding-top:6px;}
}
@media(min-width:640px) and (max-width:1023px){
  .stat:nth-child(n+3){border-top:1px solid var(--line);padding-top:18px;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;
  background:transparent;border:0;cursor:pointer;
  text-align:left;
  font-size:18px;font-weight:600;color:var(--text-1);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-400);}
.faq-icon{
  width:26px;height:26px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;border:1px solid var(--line);
  color:var(--brand-400);
  transition:transform .24s var(--ease), border-color .24s var(--ease);
}
.faq-icon svg{width:13px;height:13px;}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--brand-400);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{
  padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-panel{
  padding:32px;
  display:grid;grid-template-columns:1fr;gap:26px;
}
@media(min-width:1024px){
  .cta-panel{grid-template-columns:1.2fr .8fr;gap:40px;padding:44px;align-items:center;}
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media(max-width:520px){.cta-actions .btn{width:100%;}}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--text-2);font-size:14.5px;
  transition:color .2s var(--ease);
  margin-top:8px;
}
.back-link:hover{color:var(--brand-400);}

/* ---------- 隐私说明 ---------- */
.privacy-box{padding:26px;}
.privacy-box h3{font-size:17px;margin-bottom:12px;}
.privacy-box p{font-size:13.5px;line-height:1.95;color:var(--text-2);}
.privacy-box p + p{margin-top:10px;}
.privacy-box a{color:var(--brand-400);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-950);
  border-top:1px solid rgba(232,213,183,.22);
  margin-top:80px;
  padding-top:64px;
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-bottom:48px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-col p{font-size:13.5px;line-height:1.9;color:var(--text-2);}
.footer-col p + p{margin-top:8px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:16px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{
  font-size:13.5px;color:var(--text-2);
  transition:color .2s var(--ease);
  position:relative;
}
.footer-links a:hover{color:var(--brand-400);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--brand-400);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:60;
  background:rgba(8,18,28,.72);
  backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease), visibility .24s var(--ease);
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:70;
  width:82%;max-width:340px;
  background:rgba(11,24,38,.96);
  backdrop-filter:blur(16px) saturate(120%);
  border-left:1px solid var(--line);
  padding:24px 20px;
  transform:translateX(100%);
  transition:transform .26s var(--ease);
  display:flex;flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-link{
  padding:14px 12px;border-radius:12px;
  color:var(--text-2);font-size:15px;
  border:1px solid transparent;
  transition:all .2s var(--ease);
}
.drawer-link:hover{background:var(--glass);color:var(--text-1);border-color:var(--line);}
.drawer-link.active{color:var(--brand-400);background:rgba(201,134,63,.10);border-color:rgba(201,134,63,.32);}
.drawer-actions{margin-top:18px;display:flex;flex-direction:column;gap:10px;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:55;
  width:48px;height:48px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  color:var(--text-1);cursor:pointer;
  opacity:0;visibility:hidden;
  transition:all .24s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{color:var(--brand-400);border-color:var(--brand-400);transform:translateY(-2px);}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:80;
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  background:rgba(8,18,28,.72);
  backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease), visibility .22s var(--ease);
}
.modal.show{opacity:1;visibility:visible;}
.modal-panel{
  width:100%;max-width:560px;
  background:rgba(16,32,47,.94);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-hover);
  padding:28px;
  transform:scale(.98);
  transition:transform .22s var(--ease);
  max-height:90vh;overflow-y:auto;
}
.modal.show .modal-panel{transform:scale(1);}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px;}
.modal-close{
  width:40px;height:40px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text-2);cursor:pointer;
  transition:all .2s var(--ease);
}
.modal-close:hover{color:var(--brand-400);border-color:var(--brand-400);}
.field{margin-top:16px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--radius-input);
  background:var(--ink-800);
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:14.5px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand-400);
  box-shadow:0 0 0 3px rgba(224,164,92,.18);
}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13px;color:var(--text-2);line-height:1.7;}
.check-row input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--brand-500);}
.modal-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.8;}
.modal-note a{color:var(--brand-400);}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--ink-950);}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(201,134,63,.5);}