/* roulang page: index */
:root{
  --bg-900:#060C15;
  --bg-800:#0A1420;
  --bg-700:#0F1D2E;
  --glass:rgba(18,38,58,.45);
  --glass-solid:rgba(13,28,44,.72);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(18,200,180,.45);
  --primary:#12C8B4;
  --primary-600:#0EA99A;
  --primary-300:#5CE6D2;
  --accent:#FFB43A;
  --accent-2:#FF6A4D;
  --text-1:#EAF4F8;
  --text-2:#A9BECC;
  --text-3:#6E8698;
  --radius-card:18px;
  --radius-input:12px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-glow:0 6px 20px rgba(18,200,180,.32);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
a{color:var(--primary-300);text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul,ol{padding-left:0;margin:0;list-style:none}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .6em;font-weight:700;letter-spacing:.005em}
p{margin:0 0 1.1em;color:var(--text-2)}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;font-weight:600}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1400px){:root{--container:1320px}}
@media (max-width:767px){.container{padding:0 20px}}
section{position:relative}
.section{padding:96px 0}
@media (max-width:991px){.section{padding:64px 0}}
@media (max-width:575px){.section{padding:56px 0}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,12,21,.55);
  backdrop-filter:blur(8px) saturate(120%);
  -webkit-backdrop-filter:blur(8px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:background 260ms var(--ease),border-color 260ms var(--ease);
}
.site-header.scrolled{
  background:rgba(6,12,21,.86);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid rgba(18,200,180,.28);
  box-shadow:0 8px 28px rgba(0,0,0,.45);
}
.brand-row{display:flex;align-items:center;gap:18px;height:66px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1);font-weight:700;font-size:18px;letter-spacing:.02em}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  color:#05201C;font-size:15px;box-shadow:var(--shadow-glow);
}
.header-search{flex:1 1 auto;max-width:360px;position:relative;display:none}
.header-search input{
  width:100%;height:40px;border-radius:999px;padding:0 42px 0 16px;
  background:rgba(18,38,58,.55);border:1px solid var(--line);color:var(--text-1);
  font-size:14px;outline:none;transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.header-search input::placeholder{color:var(--text-3)}
.header-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,200,180,.18)}
.header-search i{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px}
.hot-chips{display:none;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;white-space:nowrap;max-width:340px}
.hot-chips::-webkit-scrollbar{display:none}
.chip{
  font-size:12.5px;color:var(--text-2);border:1px solid var(--line);border-radius:999px;
  padding:5px 12px;background:rgba(18,38,58,.4);transition:all 220ms var(--ease)
}
.chip:hover{color:var(--primary-300);border-color:var(--line-strong)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(18,38,58,.5);color:var(--text-1);display:grid;place-items:center;
}
.burger:hover{border-color:var(--line-strong);color:var(--primary-300)}
.mobile-panel{border-top:1px solid var(--line);background:rgba(6,12,21,.96);padding:16px 0 22px}
.mobile-panel .m-link{display:block;padding:12px 4px;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.05);font-size:15px}
.mobile-panel .m-link.active{color:var(--primary-300)}
.channel-row{display:none;align-items:center;gap:6px;height:50px;border-top:1px solid rgba(255,255,255,.06)}
.channel-row .nav-link{
  position:relative;height:44px;display:inline-flex;align-items:center;padding:0 16px;
  color:var(--text-2);font-size:15px;border-radius:10px;transition:all 220ms var(--ease)
}
.channel-row .nav-link:hover{color:var(--text-1);background:rgba(18,200,180,.08)}
.channel-row .nav-link.active{color:var(--text-1);font-weight:600}
.channel-row .nav-link.active::after{
  content:'';position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-300));box-shadow:0 0 12px rgba(18,200,180,.6)
}
.channel-extra{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3)}
.channel-extra a{color:var(--text-3)}
.channel-extra a:hover{color:var(--primary-300)}
@media (min-width:992px){
  .header-search{display:block}
  .channel-row{display:flex}
  .burger{display:none}
}
@media (min-width:1200px){.hot-chips{display:flex}}

/* ---------- buttons ---------- */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:none;border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  color:#05201C;font-weight:600;font-size:15px;
  box-shadow:var(--shadow-glow);cursor:pointer;
  transition:transform 200ms var(--ease),box-shadow 220ms var(--ease),filter 200ms var(--ease);
}
.btn-glow:hover{transform:translateY(-1px);box-shadow:0 6px 28px rgba(18,200,180,.5);filter:brightness(1.06);color:#05201C}
.btn-glow:active{transform:translateY(0);box-shadow:0 4px 14px rgba(18,200,180,.35)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:12px;font-weight:500;font-size:15px;
  background:rgba(18,38,58,.5);border:1px solid var(--line);color:var(--text-1);cursor:pointer;
  transition:all 220ms var(--ease);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--primary-300);background:rgba(18,200,180,.08)}
.btn-sm-glow{height:36px;padding:0 16px;font-size:13.5px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(6,12,21,.78),rgba(6,12,21,.93)),
             url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:88px 0 96px;
}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:.55;
  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:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse at 30% 30%,#000 10%,transparent 78%);
  mask-image:radial-gradient(ellipse at 30% 30%,#000 10%,transparent 78%);
}
.hero::after{
  content:'';position:absolute;right:-160px;bottom:-220px;width:640px;height:640px;pointer-events:none;
  background:radial-gradient(circle,rgba(18,200,180,.16),transparent 68%);border-radius:50%;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:44px;align-items:start}
@media (min-width:992px){.hero-grid{grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--primary-300);
  border:1px solid var(--line-strong);background:rgba(18,200,180,.10);
  border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,44px);font-weight:800;color:var(--text-1);margin-bottom:18px;letter-spacing:.01em;
}
.hero h1 .hl{color:var(--primary-300)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:580px;margin-bottom:26px}
.hero-points{display:grid;gap:10px;margin-bottom:30px}
.hero-points li{display:flex;align-items:flex-start;gap:10px;color:var(--text-2);font-size:15px}
.hero-points i{color:var(--primary);margin-top:6px;font-size:13px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{margin-top:34px;position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.hero-media img{width:100%;aspect-ratio:16/7;object-fit:cover;opacity:.92}
.hero-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:var(--text-1);
  background:linear-gradient(180deg,transparent,rgba(6,12,21,.9));
}
/* consult card */
.consult-card{
  background:var(--glass);backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
}
.consult-card h2{font-size:20px;margin-bottom:6px}
.consult-card .tip{font-size:13.5px;color:var(--text-3);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.input{
  width:100%;border-radius:var(--radius-input);border:1px solid var(--line);
  background:rgba(8,18,30,.7);color:var(--text-1);padding:11px 14px;font-size:14.5px;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.input::placeholder{color:var(--text-3)}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,200,180,.18)}
textarea.input{min-height:76px;resize:vertical;line-height:1.7}
.form-err{display:none;font-size:12.5px;color:var(--accent-2);margin-top:6px}
.form-err.show{display:block}
.privacy-line{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.6}
.privacy-line input{margin-top:4px;accent-color:var(--primary)}
.privacy-line a{color:var(--text-2);text-decoration:underline}
.privacy-line a:hover{color:var(--primary-300)}
.form-success{
  display:none;background:rgba(18,200,180,.1);border:1px solid var(--line-strong);
  border-radius:var(--radius-input);padding:14px;font-size:14px;color:var(--primary-300);margin-top:14px;
}
.form-success.show{display:block}

/* ---------- generic section head ---------- */
.sec-head{margin-bottom:44px;max-width:760px}
.sec-head .kicker{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--primary-300);
  border-left:2px solid var(--primary);padding-left:10px;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(24px,3vw,32px);color:var(--text-1);margin-bottom:12px}
.sec-head p{font-size:16px;color:var(--text-2);margin:0}
.sec-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;flex-wrap:wrap}
.sec-head.row-head .more{font-size:14px;color:var(--text-2);white-space:nowrap}
.sec-head.row-head .more:hover{color:var(--primary-300)}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.pain-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1200px){.pain-grid{grid-template-columns:repeat(4,1fr)}}
.pain-card{
  background:rgba(12,26,42,.5);border:1px solid var(--line);border-radius:14px;
  padding:22px 20px;transition:border-color 220ms var(--ease),transform 220ms var(--ease);
}
.pain-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.pain-card .idx{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--accent);
  margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.pain-card h3{font-size:17px;color:var(--text-1);margin-bottom:8px;line-height:1.5}
.pain-card p{font-size:14px;color:var(--text-3);margin:0}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:992px){.plan-grid{grid-template-columns:repeat(2,1fr)}}
.plan-card{
  background:var(--glass);backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.plan-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.plan-card .no{
  font-size:14px;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.08em;margin-bottom:12px;display:block
}
.plan-card h3{font-size:19px;color:var(--text-1);margin-bottom:12px}
.plan-card ul{display:grid;gap:9px;margin-bottom:18px}
.plan-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2)}
.plan-card li::before{
  content:'';position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--primary);opacity:.85;
}
.plan-card .link{font-size:14px;color:var(--primary-300)}
.plan-card .link i{font-size:12px;margin-left:4px}
.plan-card.wide{display:grid;gap:24px}
@media (min-width:992px){.plan-card.wide{grid-column:span 2;grid-template-columns:1.1fr .9fr;align-items:center}}
.plan-card.wide .plan-visual{border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.plan-card.wide .plan-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- stats (light) ---------- */
.stats-panel{
  background:linear-gradient(160deg,#F4F8FA,#E8FBF7);
  border-radius:24px;padding:52px 40px;color:#0A1420;
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.stats-panel h2{color:#062B2A;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.stats-panel .lead{color:#39565C;font-size:15.5px;margin-bottom:34px;max-width:720px}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 18px}
@media (min-width:992px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat{border-left:2px solid rgba(11,107,96,.25);padding-left:16px}
.stat .value{font-size:clamp(30px,3.4vw,42px);font-weight:800;line-height:1.1;color:#0B6B60;font-variant-numeric:tabular-nums}
.stat .value.amber{color:#B87400}
.stat .label{margin-top:8px;font-size:15px;font-weight:600;color:#0A2320}
.stat .desc{margin-top:4px;font-size:13px;color:#4C6870;line-height:1.7}
.stats-note{margin-top:26px;font-size:12.5px;color:#5A757C;border-top:1px dashed rgba(11,107,96,.25);padding-top:14px}
@media (max-width:575px){.stats-panel{padding:36px 22px}}

/* ---------- cms list ---------- */
.post-card{
  height:100%;display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.post-thumb{display:block;position:relative;overflow:hidden}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-cat{
  position:absolute;left:14px;top:14px;font-size:12.5px;line-height:24px;height:24px;padding:0 10px;
  border-radius:6px;background:rgba(18,200,180,.18);color:var(--primary-300);
  border:1px solid rgba(18,200,180,.35);backdrop-filter:blur(6px);
}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.post-title{font-size:19px;color:var(--text-1);margin:0;line-height:1.5}
.post-title a{color:inherit;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title a{color:var(--primary-300)}
.post-excerpt{
  font-size:14px;color:var(--text-3);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--text-3)
}
.post-meta time{font-variant-numeric:tabular-nums}
.post-meta .read{color:var(--primary-300)}
.cms-empty{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--line);border-radius:var(--radius-card);background:rgba(12,26,42,.35);
  color:var(--text-3);font-size:14.5px;text-align:center;padding:30px;
}
.cms-empty i{font-size:22px;color:var(--text-3);opacity:.7}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(135deg,rgba(18,200,180,.14),rgba(10,20,32,.6));
  border:1px solid var(--line-strong);border-radius:24px;padding:44px 40px;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:var(--text-1);margin-bottom:12px}
.cta-band p{font-size:15.5px;color:var(--text-2);max-width:640px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
@media (max-width:575px){.cta-band{padding:30px 22px}}

/* ---------- faq ---------- */
.faq .accordion-item{
  background:rgba(12,26,42,.5);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color 220ms var(--ease),background 220ms var(--ease);
}
.faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--line-strong);background:rgba(14,32,48,.7)}
.faq .accordion-button{
  background:transparent;color:var(--text-1);font-size:18px;font-weight:600;
  padding:18px 52px 18px 22px;box-shadow:none;border-radius:14px;position:relative;
}
.faq .accordion-button:not(.collapsed){color:var(--primary-300);background:transparent}
.faq .accordion-button:focus{box-shadow:none;outline:none}
.faq .accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.faq .accordion-button::after{
  content:'+';background-image:none;position:absolute;right:20px;top:50%;
  transform:translateY(-50%);width:auto;height:auto;font-size:20px;font-weight:400;
  color:var(--primary-300);line-height:1;transition:transform 240ms var(--ease),content 240ms var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:'−';transform:translateY(-50%) rotate(180deg)}
.faq .accordion-item::after{content:''}
.faq .accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq .accordion-item{position:relative}
.faq .accordion-item:has(.accordion-button:not(.collapsed))::before{
  content:'';position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-300));
}

/* ---------- footer ---------- */
.site-footer{background:#050A12;border-top:1px solid rgba(18,200,180,.28);padding:56px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;font-size:17px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;font-size:14px}
.site-footer p{font-size:13.5px;color:var(--text-3);line-height:1.8;max-width:320px}
.footer-title{font-size:14px;color:var(--text-1);font-weight:600;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13.5px;color:var(--text-3)}
.footer-links a:hover{color:var(--primary-300)}
.footer-contact li{font-size:13.5px;color:var(--text-3);margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:12px}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.07);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary-300)}

/* ---------- modal ---------- */
.modal-content.modal-glass{
  background:rgba(10,22,36,.94);backdrop-filter:blur(18px) saturate(130%);
  border:1px solid var(--line-strong);border-radius:20px;color:var(--text-1);
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.modal-glass .modal-header{border-bottom:1px solid rgba(255,255,255,.08);padding:22px 24px}
.modal-glass .modal-title{font-size:19px;color:var(--text-1)}
.modal-glass .modal-body{padding:22px 24px 26px}
.modal-glass .btn-close{
  width:32px;height:32px;border-radius:50%;background:rgba(18,200,180,.14) center/12px no-repeat;
  opacity:1;filter:invert(1) grayscale(1) brightness(2);
  transition:background-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.modal-glass .btn-close:hover{background-color:rgba(18,200,180,.3);box-shadow:0 0 14px rgba(18,200,180,.5)}
.modal-backdrop.show{opacity:.72}

/* roulang page: article */
:root{
  --bg-900:#060C15;
  --bg-800:#0A1420;
  --bg-700:#0F1D2E;
  --glass:rgba(18,38,58,.45);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(18,200,180,.45);
  --primary:#12C8B4;
  --primary-600:#0EA99A;
  --primary-300:#5CE6D2;
  --accent:#FFB43A;
  --accent-2:#FF6A4D;
  --text-1:#EAF4F8;
  --text-2:#A9BECC;
  --text-3:#6E8698;
  --body-text:#D6E6EF;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-input:12px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-soft:0 6px 20px rgba(0,0,0,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:28px 28px;
}
body::after{
  content:"";
  position:fixed;
  left:-10%;
  right:-10%;
  top:34%;
  height:420px;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(60% 100% at 20% 40%, rgba(18,200,180,.07), transparent 70%),
             radial-gradient(50% 100% at 82% 60%, rgba(255,180,58,.045), transparent 70%);
}
.site-header,.site-main,.site-footer{position:relative;z-index:1}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease), opacity .22s var(--ease)}
a:hover{color:var(--primary-300)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-weight:600}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,12,21,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,12,21,.9);
  border-bottom-color:rgba(18,200,180,.3);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.brand-row{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  color:#05201C;font-size:15px;
  box-shadow:0 6px 18px rgba(18,200,180,.3);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.head-search{
  display:flex;align-items:center;gap:9px;
  flex:1 1 auto;max-width:360px;height:40px;
  padding:0 14px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:999px;
  backdrop-filter:blur(12px);
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.head-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,200,180,.16)}
.head-search i{color:var(--text-3);font-size:13.5px}
.head-search input{
  flex:1;background:transparent;border:0;outline:none;
  color:var(--text-1);font-size:14px;font-family:inherit;
}
.head-search input::placeholder{color:var(--text-3)}
.hot-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.hot-chips::-webkit-scrollbar{display:none}
.hot-chips a{
  white-space:nowrap;font-size:12.5px;color:var(--text-2);
  padding:5px 12px;border-radius:999px;
  background:rgba(18,38,58,.5);border:1px solid var(--line);
  transition:all .22s var(--ease);
}
.hot-chips a:hover{color:var(--primary-300);border-color:var(--line-strong);transform:translateY(-1px)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border:0;cursor:pointer;
  border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  color:#05201C;font-size:15px;font-weight:700;font-family:inherit;
  box-shadow:0 6px 20px rgba(18,200,180,.32);
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), filter .22s var(--ease);
}
.btn-glow:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(18,200,180,.46);filter:brightness(1.06);color:#05201C}
.btn-glow:active{transform:translateY(0);box-shadow:0 5px 14px rgba(18,200,180,.3)}
.btn-glow.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:12px;cursor:pointer;
  background:rgba(18,38,58,.5);border:1px solid var(--line);
  color:var(--text-1);font-size:14.5px;font-weight:600;font-family:inherit;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--primary-300);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:rgba(18,38,58,.5);border:1px solid var(--line);
  color:var(--text-1);font-size:15px;cursor:pointer;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary-300)}
.channel-bar{border-top:1px solid var(--line)}
.channel-row{display:flex;align-items:center;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-row::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:48px;padding:0 15px;white-space:nowrap;
  color:var(--text-2);font-size:15px;
  transition:color .22s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link.active{color:var(--text-1);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-300));
  box-shadow:0 0 12px rgba(18,200,180,.6);
}
.channel-extra{margin-left:auto;display:flex;align-items:center;gap:20px;padding-left:16px}
.channel-extra a{color:var(--text-3);font-size:13.5px;white-space:nowrap}
.channel-extra a:hover{color:var(--primary-300)}

/* 抽屉与弹层 */
.site-drawer{
  background:rgba(8,17,28,.97);color:var(--text-1);
  border-left:1px solid var(--line);
  width:min(86vw,340px);
}
.site-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.drawer-title{font-size:16px;font-weight:700;letter-spacing:.5px}
.drawer-close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:rgba(18,38,58,.6);color:var(--text-1);cursor:pointer;
  transition:all .22s var(--ease);
}
.drawer-close:hover{border-color:var(--line-strong);color:var(--primary-300);box-shadow:0 0 16px rgba(18,200,180,.35)}
.site-drawer .offcanvas-body{padding:20px}
.drawer-search{
  display:flex;align-items:center;gap:9px;height:42px;padding:0 14px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-input);
  margin-bottom:18px;
}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;color:var(--text-1);font-size:14px;font-family:inherit}
.drawer-search i{color:var(--text-3);font-size:13.5px}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-links a{
  padding:11px 14px;border-radius:12px;color:var(--text-2);font-size:15px;
  border:1px solid transparent;transition:all .22s var(--ease);
}
.drawer-links a:hover,.drawer-links a.active{
  color:var(--text-1);background:rgba(18,38,58,.6);border-color:var(--line);
}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.drawer-chips a{
  font-size:12.5px;color:var(--text-2);padding:6px 12px;border-radius:999px;
  background:rgba(18,38,58,.5);border:1px solid var(--line);
}
.modal-content{
  background:rgba(15,29,46,.95);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  color:var(--text-1);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
  backdrop-filter:blur(18px) saturate(120%);
}
.modal-backdrop.show{opacity:.74;background:#03070d}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px}
.modal-title{font-size:19px}
.modal-close{
  width:36px;height:36px;border-radius:50%;
  background:rgba(18,38,58,.6);border:1px solid var(--line);
  color:var(--text-1);cursor:pointer;transition:all .22s var(--ease);
}
.modal-close:hover{border-color:var(--line-strong);color:var(--primary-300);box-shadow:0 0 18px rgba(18,200,180,.4)}
.modal-body{padding:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:7px}
.field input,.field textarea{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;
  background:rgba(10,20,32,.72);border:1px solid var(--line);
  border-radius:var(--radius-input);color:var(--text-1);outline:none;
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.field textarea{min-height:92px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,200,180,.18)}
.privacy-row{display:flex;align-items:flex-start;gap:9px;margin:14px 0 18px;font-size:12.5px;color:var(--text-3);line-height:1.7}
.privacy-row input{margin-top:3px;accent-color:var(--primary);width:15px;height:15px}
.privacy-row a{color:var(--primary-300);text-decoration:underline}
.btn-block{width:100%}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:12px;font-size:13.5px;
  background:rgba(18,200,180,.12);border:1px solid var(--line-strong);color:var(--primary-300);
}
.form-success.show{display:block}

/* 面包屑 */
.crumb{padding:22px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb-sep{color:rgba(110,134,152,.7)}
.crumb-current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-hero{
  position:relative;
  padding:26px 0 42px;
  background-image:linear-gradient(180deg, rgba(6,12,21,.82) 0%, rgba(6,12,21,.94) 62%, var(--bg-900) 100%), url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.article-title{
  font-size:34px;
  line-height:1.45;
  margin:18px 0 18px;
  max-width:920px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--text-3);font-size:13.5px}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:6px;
  background:rgba(18,200,180,.14);
  border:1px solid rgba(18,200,180,.28);
  color:var(--primary-300);font-size:12.5px;
}
.meta-item,.meta-time{display:inline-flex;align-items:center;gap:6px}
.post-cover{margin:34px 0 0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.post-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* 主体布局 */
.article-section{padding:52px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:48px;align-items:start}
.article-main{
  min-width:0;
  max-width:800px;
  font-size:17px;
  line-height:1.9;
  color:var(--body-text);
}
.article-main p{margin:0 0 1.1em}
.article-main h2{
  position:relative;
  font-size:23px;
  color:var(--text-1);
  margin:2em 0 .8em;
  padding-left:16px;
  scroll-margin-top:130px;
}
.article-main h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:20px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-600));
  box-shadow:0 0 10px rgba(18,200,180,.5);
}
.article-main h3{font-size:19px;color:var(--text-1);margin:1.6em 0 .6em;scroll-margin-top:130px}
.article-main strong{color:var(--text-1)}
.article-main a{color:var(--primary-300);text-decoration:underline;text-underline-offset:3px}
.article-main blockquote{
  margin:1.4em 0;padding:16px 20px;
  background:var(--glass);border:1px solid var(--line);border-left:3px solid var(--primary);
  border-radius:12px;color:var(--text-2);
}
.article-main ul,.article-main ol{margin:0 0 1.2em;padding-left:2px}
.article-main ul li,.article-main ol li{position:relative;padding-left:22px;margin-bottom:.5em}
.article-main ul li::before{
  content:"";position:absolute;left:4px;top:.78em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 8px rgba(18,200,180,.6);
}
.article-main ol{counter-reset:cmsli}
.article-main ol li{counter-increment:cmsli}
.article-main ol li::before{
  content:counter(cmsli);position:absolute;left:0;top:.42em;
  width:16px;height:16px;border-radius:5px;
  display:grid;place-items:center;font-size:11px;font-weight:700;
  background:rgba(18,200,180,.16);color:var(--primary-300);
}
.article-main img{border-radius:14px;margin:1.2em auto;width:100%;height:auto}
.article-main figure{margin:1.6em 0}
.article-main figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-main table{
  width:100%;border-collapse:collapse;margin:1.4em 0;
  background:var(--glass);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  font-size:15px;
}
.article-main table th{
  background:rgba(18,200,180,.08);color:var(--text-1);
  text-align:left;padding:12px 14px;font-weight:600;
  border-bottom:1px solid var(--line);
}
.article-main table td{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.06);color:var(--text-2)}
.article-main table tr:last-child td{border-bottom:0}
.article-main hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:36px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--text-3)}
.empty-state p{margin:0;color:var(--text-2);font-size:15px}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px) saturate(120%);
  padding:20px;
  transition:border-color .22s var(--ease), transform .22s var(--ease);
}
.side-card:hover{border-color:var(--line-strong)}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:14px;
}
.side-title::before{
  content:"";width:3px;height:15px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-600));
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow-y:auto}
.toc-list a{
  display:block;padding:8px 10px;border-radius:10px;
  font-size:13.5px;color:var(--text-2);border-left:2px solid transparent;
  transition:all .22s var(--ease);
}
.toc-list a:hover{color:var(--primary-300);background:rgba(18,200,180,.08);border-left-color:var(--primary)}
.toc-empty{font-size:13px;color:var(--text-3)}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:flex-start;gap:9px;
  font-size:14px;color:var(--text-2);line-height:1.6;
}
.side-links a i{color:var(--primary);font-size:12px;margin-top:5px}
.side-links a:hover{color:var(--primary-300)}
.side-cta p{font-size:13.5px;color:var(--text-2);margin:0 0 14px}
.side-cta .privacy-row{margin:14px 0 0}

/* 相关推荐 */
.related-section{padding:0 0 76px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:26px}
.section-head .more{font-size:14px;color:var(--text-2)}
.section-head .more:hover{color:var(--primary-300)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:20px;
  transition:transform .22s var(--ease), border-color .22s var(--ease);
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.related-card .badge-soft{align-self:flex-start}
.related-card h3{font-size:17px;line-height:1.6;color:var(--text-1)}
.related-card:hover h3{color:var(--primary-300)}
.related-card .meta{margin-top:auto;font-size:12.5px;color:var(--text-3)}
.related-empty{grid-column:1/-1;min-height:120px;display:flex;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);color:var(--text-3);font-size:14px}

/* 返回入口 */
.back-strip{padding:0 0 80px}
.back-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:22px 24px;
}
.back-inner p{margin:0;font-size:14.5px;color:var(--text-2)}
.back-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 页脚 */
.site-footer{
  background:#050A12;
  border-top:1px solid rgba(18,200,180,.28);
  padding:60px 0 26px;
  box-shadow:0 -14px 40px rgba(0,0,0,.4);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:10px;font-size:13px}
.site-footer p{font-size:13.5px;color:var(--text-3);line-height:1.85;margin:0}
.footer-title{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:var(--text-3)}
.footer-links a:hover{color:var(--primary-300)}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--text-3)}
.footer-contact i{color:var(--primary);font-size:12.5px;margin-top:5px}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}

/* 响应式 */
@media (max-width:1199px){
  .hot-chips{display:none}
  .head-search{max-width:300px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .head-search{display:none}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-side{position:static}
  .article-title{font-size:30px}
  .article-main{max-width:100%}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  body{font-size:16px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand-row{height:64px;gap:12px}
  .brand-text{font-size:16.5px}
  .channel-bar{display:none}
  .article-section{padding:38px 0 56px}
  .article-hero{padding:20px 0 34px}
  .article-title{font-size:26px;margin:14px 0 14px}
  .article-main{font-size:16px}
  .related-grid{grid-template-columns:1fr}
  .site-footer{padding:44px 0 22px}
  .footer-grid{grid-template-columns:1fr}
  .back-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .article-title{font-size:23px}
  .btn-glow{padding:11px 20px;font-size:14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}

/* roulang page: category1 */
:root{
  --bg-900:#060C15;
  --bg-800:#0A1420;
  --bg-700:#0F1D2E;
  --glass:rgba(18,38,58,.45);
  --glass-2:rgba(15,30,48,.72);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(18,200,180,.45);
  --primary:#12C8B4;
  --primary-600:#0EA99A;
  --primary-300:#5CE6D2;
  --accent:#FFB43A;
  --accent-2:#FF6A4D;
  --text-1:#EAF4F8;
  --text-2:#A9BECC;
  --text-3:#6E8698;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary-300);text-decoration:none;transition:color 200ms var(--ease)}
a:hover{color:var(--primary)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.45;font-weight:700;letter-spacing:.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){ .container{max-width:1320px} }
@media (max-width:575.98px){ .container{padding:0 20px} }

/* ===== 顶部导航 ===== */
#siteHeader{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,12,21,.55);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:background 260ms var(--ease),border-color 260ms var(--ease),box-shadow 260ms var(--ease);
}
#siteHeader.is-scrolled{
  background:rgba(6,12,21,.86);
  border-bottom-color:rgba(18,200,180,.34);
  box-shadow:0 10px 34px rgba(0,0,0,.45);
}
.brand-row{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  font-size:18px;
  font-weight:700;
  white-space:nowrap;
  letter-spacing:.3px;
}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  color:#05201C;
  font-size:15px;
  box-shadow:0 6px 18px rgba(18,200,180,.35);
  flex:0 0 auto;
}
.search{
  position:relative;
  flex:1 1 auto;
  max-width:300px;
  min-width:150px;
}
.search i{
  position:absolute;
  left:13px;top:50%;
  transform:translateY(-50%);
  font-size:13px;
  color:var(--text-3);
  pointer-events:none;
}
.search input{
  width:100%;
  height:40px;
  padding:0 14px 0 38px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:rgba(18,38,58,.55);
  color:var(--text-1);
  font-size:14px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(18,200,180,.16);
}
.chips{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  padding:6px 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:12.5px;
  white-space:nowrap;
  transition:all 220ms var(--ease);
}
.chip:hover{
  color:var(--text-1);
  border-color:var(--line-strong);
  background:rgba(18,200,180,.10);
}
.brand-row .btn-glow{
  padding:10px 20px;
  font-size:14px;
  flex:0 0 auto;
}

.channel-row{
  display:flex;
  align-items:center;
  gap:4px;
  height:48px;
  border-top:1px solid rgba(255,255,255,.06);
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-row::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color 200ms var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link.active{color:var(--text-1);font-weight:600}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-300));
  box-shadow:0 0 12px rgba(18,200,180,.6);
}
.channel-extra{
  margin-left:auto;
  display:flex;
  gap:18px;
  padding-left:18px;
  font-size:13px;
}
.channel-extra a{color:var(--text-3);white-space:nowrap}
.channel-extra a:hover{color:var(--primary)}

@media (max-width:1199.98px){
  .chips{display:none}
}
@media (max-width:991.98px){
  .brand-row{height:58px;gap:14px}
  .search{max-width:220px}
  .channel-extra{display:none}
}
@media (max-width:767.98px){
  .search{display:none}
  .brand-row .btn-glow{margin-left:auto;padding:9px 16px;font-size:13px}
  .brand{font-size:16px}
  .channel-row{height:44px}
  .nav-link{font-size:14px;padding:0 12px}
}

/* ===== 按钮 ===== */
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border:0;
  border-radius:var(--radius-pill);
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  color:#05201C;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  box-shadow:0 6px 20px rgba(18,200,180,.32);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),filter 200ms var(--ease);
}
.btn-glow:hover{
  transform:translateY(-1px);
  box-shadow:0 10px 28px rgba(18,200,180,.45);
  filter:brightness(1.06);
  color:#05201C;
}
.btn-glow:active{transform:translateY(0);box-shadow:0 4px 14px rgba(18,200,180,.3)}
.btn-glow:focus-visible{outline:2px solid var(--primary-300);outline-offset:2px}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-1);
  font-size:14.5px;
  cursor:pointer;
  transition:all 220ms var(--ease);
}
.btn-ghost:hover{
  border-color:var(--line-strong);
  background:rgba(18,200,180,.10);
  color:var(--text-1);
  transform:translateY(-1px);
}

/* ===== 页面首屏 ===== */
.page-hero{
  position:relative;
  min-height:280px;
  display:flex;
  align-items:flex-end;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(6,12,21,.94),rgba(6,12,21,.78) 52%,rgba(6,12,21,.6)),
    radial-gradient(600px 300px at 12% 100%,rgba(18,200,180,.20),transparent 70%);
}
.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:52px 52px;
  opacity:.6;
  pointer-events:none;
}
.page-hero .container{
  position:relative;
  z-index:2;
  padding-top:66px;
  padding-bottom:44px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 13px;
  border-radius:6px;
  border:1px solid var(--line-strong);
  background:rgba(18,200,180,.12);
  color:var(--primary-300);
  font-size:12.5px;
  letter-spacing:.4px;
  margin-bottom:16px;
}
.page-hero h1{
  font-size:34px;
  font-weight:700;
  max-width:760px;
  text-shadow:0 2px 20px rgba(0,0,0,.5);
}
.hero-sub{
  margin:16px 0 0;
  max-width:660px;
  font-size:16px;
  color:var(--text-2);
}
@media (max-width:767.98px){
  .page-hero{min-height:230px}
  .page-hero .container{padding-top:52px;padding-bottom:34px}
  .page-hero h1{font-size:26px}
  .hero-sub{font-size:15px}
}

/* ===== 面包屑 ===== */
.crumb-wrap{padding:20px 0 0}
.breadcrumb-nav ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
}
.breadcrumb-nav li{display:inline-flex;align-items:center;gap:8px;max-width:340px}
.breadcrumb-nav li+li::before{
  content:"/";
  color:var(--text-3);
  opacity:.6;
}
.breadcrumb-nav a{color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.breadcrumb-nav a:hover{color:var(--primary)}
.breadcrumb-nav [aria-current]{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 主区域布局 ===== */
.main-area{padding:36px 0 96px}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:36px}
@media (min-width:992px){
  .layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start}
}
.section-head{margin-bottom:24px}
.section-head h2{
  font-size:28px;
  display:inline-flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:4px;height:20px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-300));
  box-shadow:0 0 12px rgba(18,200,180,.7);
}
.section-desc{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:640px;
}
@media (max-width:767.98px){
  .section-head h2{font-size:22px}
  .section-desc{font-size:14.5px}
}

/* ===== 横向图文长卡 ===== */
.post-row{
  display:flex;
  gap:22px;
  padding:20px;
  margin-bottom:24px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  box-shadow:var(--shadow-card);
  scroll-margin-top:150px;
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.post-row:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.1);
}
.post-thumb{
  flex:0 0 40%;
  max-width:40%;
  border-radius:14px;
  overflow:hidden;
  background:var(--bg-700);
  box-shadow:0 8px 22px rgba(0,0,0,.35);
}
.post-thumb img{
  width:100%;
  height:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
  transition:transform 420ms var(--ease);
}
.post-row:hover .post-thumb img{transform:scale(1.04)}
.post-body{flex:1 1 60%;min-width:0}
.post-body h3{
  font-size:19px;
  margin:10px 0 10px;
}
.post-row:hover .post-body h3{color:var(--primary-300)}
.post-body>p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:6px;
  font-size:12.5px;
  line-height:18px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  background:rgba(255,180,58,.16);
  color:var(--accent);
  border:1px solid rgba(255,180,58,.3);
}
.dot-list{margin-top:14px;display:grid;gap:8px}
.dot-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--text-2);
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:.74em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(18,200,180,.75);
}
@media (max-width:767.98px){
  .post-row{flex-direction:column;gap:16px;padding:16px}
  .post-thumb{flex:0 0 auto;max-width:100%}
  .post-body{flex:1 1 auto}
  .post-body h3{font-size:17.5px}
}

/* ===== 侧栏 ===== */
.side-inner{display:grid;gap:20px}
@media (min-width:992px){
  .side-inner{position:sticky;top:132px}
}
.toc-card{
  padding:22px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.card-title{
  font-size:15px;
  font-weight:700;
  color:var(--text-1);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:9px;
}
.card-title::before{
  content:"";
  width:3px;height:15px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(18,200,180,.8);
}
.toc-list{display:grid;gap:4px}
.toc-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 12px;
  border-left:2px solid transparent;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  transition:all 200ms var(--ease);
}
.toc-list a:hover{
  background:rgba(18,200,180,.08);
  border-left-color:var(--primary);
  color:var(--text-1);
}
.toc-num{
  font-size:12.5px;
  font-weight:600;
  color:var(--primary-300);
  font-variant-numeric:tabular-nums;
}
.mini-cta{
  position:relative;
  padding:22px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(300px 180px at 100% 0%,rgba(18,200,180,.18),transparent 65%),
    var(--glass-2);
  box-shadow:var(--shadow-card);
}
.mini-cta-title{
  font-size:16px;
  font-weight:700;
  margin-bottom:10px;
}
.mini-cta p{font-size:14px;color:var(--text-2);margin-bottom:16px}
.mini-cta .btn-glow{width:100%}
.privacy-line{
  display:flex;
  align-items:flex-start;
  gap:8px;
  margin-top:14px;
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.6;
  cursor:pointer;
}
.privacy-line input{
  margin-top:4px;
  width:14px;height:14px;
  accent-color:var(--primary);
  flex:0 0 auto;
}
.privacy-line a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.privacy-line a:hover{color:var(--primary)}

/* ===== 栏目导读 ===== */
.guide-section{padding-top:72px;scroll-margin-top:120px}
.guide-list{display:grid;gap:12px}
.guide-item{
  display:grid;
  grid-template-columns:52px minmax(0,1fr) auto;
  align-items:center;
  gap:16px;
  padding:16px 22px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  color:var(--text-1);
  transition:all 220ms var(--ease);
}
.guide-item:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:0 14px 32px rgba(0,0,0,.4);
  color:var(--text-1);
}
.guide-num{
  font-size:16px;
  font-weight:600;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.guide-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.guide-name{font-size:16px;font-weight:600}
.guide-item:hover .guide-name{color:var(--primary-300)}
.guide-note{font-size:13.5px;color:var(--text-3)}
.guide-item i{color:var(--text-3);font-size:14px;transition:transform 220ms var(--ease),color 220ms var(--ease)}
.guide-item:hover i{color:var(--primary);transform:translateX(4px)}
@media (max-width:575.98px){
  .guide-item{grid-template-columns:38px minmax(0,1fr);padding:14px 16px;gap:12px}
  .guide-item i{display:none}
  .guide-num{font-size:14px}
  .guide-name{font-size:15px}
}

/* ===== FAQ ===== */
.faq-section{padding-top:72px;scroll-margin-top:120px}
.accordion-item{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  width:100%;
  padding:18px 22px;
  background:transparent;
  color:var(--text-1);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  border:0;
  box-shadow:none;
  display:flex;
  align-items:center;
  gap:12px;
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.accordion-button:not(.collapsed){
  background:rgba(18,200,180,.08);
  color:var(--primary-300);
  box-shadow:inset 2px 0 0 var(--primary);
}
.accordion-button:focus{box-shadow:none;outline:none}
.accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.accordion-button::after{
  content:"+";
  flex:0 0 auto;
  margin-left:auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(18,200,180,.14);
  color:var(--primary-300);
  font-size:17px;
  line-height:1;
  background-image:none;
  transform:none;
  transition:transform 260ms var(--ease),background 260ms var(--ease);
}
.accordion-button:not(.collapsed)::after{
  content:"−";
  background:rgba(18,200,180,.26);
  transform:rotate(180deg);
}
.accordion-body{
  padding:4px 22px 22px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ===== 表单 / 弹层 ===== */
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13.5px;
  color:var(--text-2);
  margin-bottom:8px;
}
.field input,
.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:rgba(18,38,58,.5);
  color:var(--text-1);
  font-size:15px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3)}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(18,200,180,.16);
}
.field textarea{min-height:96px;resize:vertical}
.field-error{
  display:none;
  margin-top:6px;
  font-size:12.5px;
  color:var(--accent-2);
}
.field.has-error .field-error{display:block}
.field.has-error input,
.field.has-error textarea{border-color:var(--accent-2)}

.modal-content{
  position:relative;
  border:1px solid var(--line-strong);
  border-radius:20px;
  background:linear-gradient(180deg,rgba(15,29,46,.97),rgba(8,17,28,.99));
  color:var(--text-1);
  box-shadow:0 28px 70px rgba(0,0,0,.6);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.modal-body{padding:30px 28px 28px}
.modal-body h2{font-size:21px;margin-bottom:8px}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:22px}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
  cursor:pointer;
  transition:all 220ms var(--ease);
  z-index:3;
}
.modal-close:hover{
  color:#05201C;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  border-color:transparent;
  box-shadow:0 0 20px rgba(18,200,180,.55);
}
.modal-backdrop.show{opacity:.74;background:#03070D}
.form-success{
  display:none;
  margin-top:14px;
  padding:12px 16px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(18,200,180,.1);
  color:var(--primary-300);
  font-size:13.5px;
}
.form-success.show{display:block}

/* ===== 页脚 ===== */
.site-footer{
  background:#050A12;
  border-top:1px solid rgba(18,200,180,.28);
  padding-top:64px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--text-1);
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:32px;height:32px;font-size:14px}
.site-footer p{
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.9;
  max-width:340px;
}
.footer-title{
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
}
.footer-links a{
  display:block;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:10px;
}
.footer-links a:hover{color:var(--primary)}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{margin-top:4px;color:var(--primary);font-size:13px}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  margin-top:48px;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:575.98px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{margin-top:32px}
}

/* ===== 通用 ===== */
@media (max-width:575.98px){
  body{font-size:15px}
  .main-area{padding:28px 0 64px}
}

/* roulang page: category2 */
:root{
  --bg-900:#060C15;
  --bg-800:#0A1420;
  --bg-700:#0F1D2E;
  --glass:rgba(18,38,58,.45);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(18,200,180,.45);
  --primary:#12C8B4;
  --primary-600:#0EA99A;
  --primary-300:#5CE6D2;
  --accent:#FFB43A;
  --accent-2:#FF6A4D;
  --text-1:#EAF4F8;
  --text-2:#A9BECC;
  --text-3:#6E8698;
  --radius-lg:18px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --inner-hi:inset 0 1px 0 rgba(255,255,255,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:112px;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-1);
  background-color:var(--bg-900);
  background-image:
    radial-gradient(1100px 520px at 88% -8%, rgba(18,200,180,.12), transparent 62%),
    radial-gradient(760px 420px at 4% 26%, rgba(255,180,58,.055), transparent 66%),
    linear-gradient(180deg,#060C15 0%,#08111D 46%,#060C15 100%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.15) 60%, transparent 100%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.15) 60%, transparent 100%);
}
body::after{
  content:"";
  position:fixed;
  left:-10%;
  right:-10%;
  top:32%;
  height:420px;
  pointer-events:none;
  z-index:0;
  background:radial-gradient(60% 100% at 50% 50%, rgba(18,200,180,.06), transparent 72%);
  transform:skewY(-4deg);
}

img{max-width:100%;display:block;}
a{color:var(--primary-300);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.2px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,12,21,.55);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,12,21,.86);
  border-bottom-color:rgba(18,200,180,.30);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.brand-row{border-bottom:1px solid var(--line);}
.brand-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:66px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text-1);
  font-weight:700;
  font-size:17.5px;
  letter-spacing:.4px;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  color:#05201C;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  box-shadow:0 6px 18px rgba(18,200,180,.34);
  flex-shrink:0;
}
.brand-text{white-space:nowrap;}

.nav-search{
  display:flex;
  align-items:center;
  gap:9px;
  flex:1 1 auto;
  max-width:340px;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search i{color:var(--text-3);font-size:13.5px;}
.nav-search input{
  flex:1;
  min-width:0;
  background:none;
  border:0;
  outline:none;
  color:var(--text-1);
  font-size:14px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(18,200,180,.16);
}

.hot-chips{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  flex-shrink:1;
}
.hot-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  white-space:nowrap;
  transition:all .22s var(--ease);
}
.chip:hover{
  color:var(--primary-300);
  border-color:var(--line-strong);
  background:rgba(18,200,180,.10);
}

.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border:0;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:#05201C;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  box-shadow:0 6px 20px rgba(18,200,180,.32);
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-glow:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(18,200,180,.45);filter:brightness(1.06);}
.btn-glow:active{transform:translateY(0);box-shadow:0 4px 14px rgba(18,200,180,.30);}
.btn-glow:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.btn-sm-cta{padding:10px 20px;font-size:14px;margin-left:auto;flex-shrink:0;}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  color:var(--text-1);
  font-size:14.5px;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{
  color:var(--text-1);
  border-color:var(--line-strong);
  background:rgba(18,200,180,.10);
  transform:translateY(-1px);
}

/* 频道行 */
.channel-row{
  display:flex;
  align-items:center;
  gap:4px;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:54px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-row::-webkit-scrollbar{display:none;}
@media (min-width:1400px){
  .channel-row{max-width:1320px;}
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link.active{color:var(--text-1);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-300));
  box-shadow:0 0 10px rgba(18,200,180,.65);
}
.channel-extra{
  margin-left:auto;
  display:flex;
  gap:18px;
  padding-left:16px;
}
.channel-extra a{
  font-size:13.5px;
  color:var(--text-3);
  white-space:nowrap;
}
.channel-extra a:hover{color:var(--primary);}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:20px 0 0;}
.breadcrumb-nav{font-size:13px;color:var(--text-3);}
.breadcrumb-nav ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb-nav li{display:inline-flex;align-items:center;gap:8px;color:var(--text-3);}
.breadcrumb-nav li+li::before{content:"/";color:rgba(255,255,255,.20);}
.breadcrumb-nav a{color:var(--text-3);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .current{color:var(--text-2);max-width:30ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 概览区 ============ */
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.overview{
  position:relative;
  padding:44px 0 0;
}
.overview::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:340px;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.16;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 100%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 100%);
  pointer-events:none;
  z-index:0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:1.6px;
  color:var(--primary-300);
  text-transform:none;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.overview h1{
  font-size:clamp(27px,3.4vw,36px);
  letter-spacing:.3px;
  max-width:900px;
  margin-bottom:18px;
}
.overview .lead{
  max-width:760px;
  font-size:16.5px;
  color:var(--text-2);
  line-height:1.9;
  margin-bottom:34px;
}

/* 数据条 */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  box-shadow:var(--shadow-card),var(--inner-hi);
  overflow:hidden;
  margin-bottom:8px;
}
.stat{
  position:relative;
  padding:24px 26px;
  transition:background .25s var(--ease);
}
.stat+.stat{border-left:1px solid var(--line);}
.stat:hover{background:rgba(18,200,180,.06);}
.stat-num{
  font-size:clamp(30px,3.4vw,40px);
  font-weight:600;
  line-height:1.1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
  display:flex;
  align-items:baseline;
  gap:6px;
}
.stat-num small{font-size:14px;font-weight:500;color:var(--text-2);letter-spacing:0;}
.stat-label{
  margin-top:8px;
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
}
.stat p{
  margin:6px 0 0;
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.75;
}

/* ============ 板块标题 ============ */
.sec-head{margin-bottom:42px;max-width:760px;}
.sec-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(23px,2.6vw,31px);
  letter-spacing:.2px;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  width:4px;
  height:1.05em;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-300));
  box-shadow:0 0 12px rgba(18,200,180,.55);
}
.sec-head p{
  margin:14px 0 0;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  padding:6px 0 0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:14px;
  bottom:14px;
  width:1px;
  background:rgba(18,200,180,.20);
}
.tl-item{
  position:relative;
  padding-left:66px;
  margin-bottom:26px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;
  left:6px;
  top:20px;
  width:27px;
  height:27px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:10.5px;
  font-weight:700;
  color:var(--primary-300);
  background:#08111C;
  border:1px solid var(--line-strong);
  box-shadow:0 0 16px rgba(18,200,180,.42);
  font-variant-numeric:tabular-nums;
}
.tl-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px 24px;
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  box-shadow:var(--shadow-card),var(--inner-hi);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 16px 38px rgba(0,0,0,.42),0 0 0 1px rgba(18,200,180,.12),var(--inner-hi);
}
.tl-card h3{
  font-size:19px;
  margin-bottom:8px;
  transition:color .22s var(--ease);
}
.tl-card:hover h3{color:var(--primary-300);}
.tl-card p{
  margin:0;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12.5px;
  color:var(--primary-300);
  background:rgba(18,200,180,.12);
  border:1px solid rgba(18,200,180,.22);
}
.badge-accent{
  color:#2A1A00;
  background:rgba(255,180,58,.88);
  border:1px solid rgba(255,180,58,.5);
  font-variant-numeric:tabular-nums;
}

/* ============ 栏目导读卡片 ============ */
.col-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  gap:24px;
  align-items:stretch;
}
.g-card{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  box-shadow:var(--shadow-card),var(--inner-hi);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.g-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 18px 40px rgba(0,0,0,.45),var(--inner-hi);
}
.g-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-700);
}
.g-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease),filter .4s var(--ease);
  filter:saturate(.92);
}
.g-card:hover .g-media img{transform:scale(1.05);filter:saturate(1.05);}
.g-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,12,21,.05) 40%,rgba(6,12,21,.72) 100%);
}
.g-badge{
  position:absolute;
  left:14px;
  top:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12.5px;
  color:var(--primary-300);
  background:rgba(6,12,21,.66);
  border:1px solid rgba(18,200,180,.34);
  backdrop-filter:blur(6px);
}
.g-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:20px 22px 22px;
}
.g-body h3{
  font-size:19px;
  margin-bottom:8px;
  transition:color .22s var(--ease);
}
.g-card:hover .g-body h3{color:var(--primary-300);}
.g-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  margin:0 0 16px;
}
.g-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.g-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  color:var(--primary-300);
}
.g-link i{font-size:11px;transition:transform .22s var(--ease);}
.g-link:hover i{transform:translateX(3px);}

/* ============ 提交区 ============ */
.cta-panel{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(18,38,58,.62),rgba(10,20,32,.86));
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  box-shadow:var(--shadow-card),var(--inner-hi);
  padding:44px 44px 38px;
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-140px;
  width:400px;
  height:400px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,200,180,.18),transparent 68%);
  pointer-events:none;
}
.cta-panel h2{
  font-size:clamp(22px,2.4vw,28px);
  margin-bottom:14px;
}
.cta-panel p{
  max-width:640px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
  margin-bottom:26px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
}
.privacy-line{
  display:flex;
  align-items:flex-start;
  gap:9px;
  margin-top:20px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-3);
  cursor:pointer;
  max-width:640px;
}
.privacy-line input[type="checkbox"]{
  appearance:none;
  -webkit-appearance:none;
  width:16px;
  height:16px;
  margin-top:3px;
  flex-shrink:0;
  border-radius:4px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  cursor:pointer;
  position:relative;
  transition:all .2s var(--ease);
}
.privacy-line input[type="checkbox"]:checked{
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  border-color:var(--primary);
}
.privacy-line input[type="checkbox"]:checked::after{
  content:"";
  position:absolute;
  left:4.5px;
  top:1px;
  width:5px;
  height:9px;
  border:2px solid #05201C;
  border-top:0;
  border-left:0;
  transform:rotate(42deg);
}

/* ============ 弹层 ============ */
.modal-content{
  background:linear-gradient(160deg,rgba(15,29,46,.97),rgba(7,13,22,.99));
  border:1px solid var(--line);
  border-radius:20px;
  color:var(--text-1);
  box-shadow:0 30px 70px rgba(0,0,0,.6);
  overflow:hidden;
}
.modal-header{
  border-bottom:1px solid var(--line);
  padding:22px 26px 18px;
  align-items:flex-start;
}
.modal-title{
  font-size:19px;
  font-weight:700;
}
.modal-sub{
  margin:6px 0 0;
  font-size:13.5px;
  color:var(--text-3);
}
.modal-x{
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:all .22s var(--ease);
  margin-left:auto;
  flex-shrink:0;
}
.modal-x:hover{
  color:var(--primary-300);
  border-color:var(--line-strong);
  background:rgba(18,200,180,.12);
  box-shadow:0 0 16px rgba(18,200,180,.35);
}
.modal-body{padding:24px 26px 26px;}
.form-label{
  display:block;
  font-size:13.5px;
  color:var(--text-2);
  margin-bottom:7px;
}
.form-control{
  width:100%;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-1);
  font-size:14.5px;
  font-family:inherit;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.06);
  box-shadow:0 0 0 3px rgba(18,200,180,.18);
}
textarea.form-control{resize:vertical;min-height:96px;line-height:1.75;}
.form-item{margin-bottom:18px;}
.form-hint{font-size:12.5px;color:var(--accent-2);margin-top:6px;display:none;}
.form-hint.show{display:block;}
.form-success{
  display:none;
  padding:26px 22px;
  text-align:center;
  border-radius:var(--radius-md);
  border:1px solid var(--line-strong);
  background:rgba(18,200,180,.08);
}
.form-success.show{display:block;}
.form-success i{
  font-size:26px;
  color:var(--primary);
  margin-bottom:12px;
}
.form-success h4{font-size:17px;margin-bottom:8px;}
.form-success p{font-size:14px;color:var(--text-2);margin:0;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;
  background:#050A12;
  border-top:1px solid rgba(18,200,180,.28);
  box-shadow:0 -12px 40px rgba(0,0,0,.42);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
  padding:56px 0 40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--text-1);
  margin-bottom:14px;
}
.footer-brand .brand-mark{width:32px;height:32px;font-size:14px;}
.site-footer p{
  font-size:14px;
  color:var(--text-3);
  line-height:1.85;
  margin:0;
  max-width:380px;
}
.footer-title{
  font-size:14.5px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:var(--text-3);
}
.footer-links a:hover{color:var(--primary);}
.footer-contact{display:flex;flex-direction:column;gap:10px;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-3);
  line-height:1.7;
}
.footer-contact i{
  color:var(--primary);
  font-size:13px;
  margin-top:5px;
  flex-shrink:0;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px 0 26px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .col-grid{grid-template-columns:1.15fr 1fr 1fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  .brand-inner{flex-wrap:wrap;gap:14px;}
  .nav-search{order:3;max-width:100%;flex:1 1 100%;}
  .btn-sm-cta{margin-left:auto;}
  .hot-chips{display:none;}
  .section{padding:76px 0;}
  .section-sm{padding:60px 0;}
  .overview{padding-top:34px;}
  .col-grid{grid-template-columns:1fr 1fr;}
  .col-grid .g-card:first-child{grid-column:1 / -1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid > div:last-child{grid-column:auto;}
  .cta-panel{padding:34px 28px 30px;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.82;}
  .container{padding:0 20px;}
  .channel-row{padding:0 20px;height:50px;}
  .channel-extra{display:none;}
  .nav-search{
    flex:0 0 auto;
    width:42px;
    height:42px;
    padding:0;
    justify-content:center;
    border-radius:50%;
  }
  .nav-search input{display:none;}
  .brand{font-size:16.5px;}
  .section{padding:58px 0;}
  .section-sm{padding:48px 0;}
  .stat-bar{grid-template-columns:1fr;}
  .stat+.stat{border-left:0;border-top:1px solid var(--line);}
  .stat{padding:20px 22px;}
  .timeline{padding-left:0;}
  .tl-item{padding-left:56px;}
  .tl-dot{left:2px;width:24px;height:24px;font-size:9.5px;}
  .timeline::before{left:13px;}
  .tl-card{padding:18px 20px;}
  .col-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-panel{padding:28px 22px 26px;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%;justify-content:center;}
  .modal-body{padding:20px 20px 22px;}
  .modal-header{padding:20px 20px 16px;}
}
@media (max-width:575px){
  .overview h1{font-size:26px;}
  .sec-head h2{font-size:22px;}
  .tl-item{padding-left:52px;}
}

/* roulang page: category3 */
:root{
  --bg-900:#060C15;
  --bg-800:#0A1420;
  --bg-700:#0F1D2E;
  --glass:rgba(18,38,58,.45);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(18,200,180,.45);
  --primary:#12C8B4;
  --primary-600:#0EA99A;
  --primary-300:#5CE6D2;
  --accent:#FFB43A;
  --accent-2:#FF6A4D;
  --text-1:#EAF4F8;
  --text-2:#A9BECC;
  --text-3:#6E8698;
  --r-card:18px;
  --r-input:12px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --inner-hi:inset 0 1px 0 rgba(255,255,255,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.86;
  color:var(--text-1);
  background-color:var(--bg-900);
  background-image:
    radial-gradient(1100px 560px at 82% -8%, rgba(18,200,180,.10), transparent 62%),
    radial-gradient(760px 420px at 6% 22%, rgba(255,180,58,.05), transparent 60%),
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:auto,auto,100% 46px,46px 100%;
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary-300);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;line-height:1.34;color:var(--text-1)}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.15em}
li{margin-bottom:.45em}
time,.num{font-variant-numeric:tabular-nums}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){ .container{max-width:1320px} }

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:linear-gradient(180deg, rgba(6,12,21,.80), rgba(6,12,21,.38));
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(6,12,21,.86);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:rgba(18,200,180,.28);
  box-shadow:0 12px 34px rgba(0,0,0,.42);
}
.brand-row{border-bottom:1px solid rgba(255,255,255,.06)}
.brand-inner{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:66px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-1)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  color:#05201C;font-size:15px;
  box-shadow:0 6px 18px rgba(18,200,180,.32), var(--inner-hi);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand:hover .brand-text{color:var(--primary-300)}
.search-box{
  flex:1 1 auto;
  max-width:360px;
  display:flex;align-items:center;gap:9px;
  padding:8px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.035);
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.search-box i{color:var(--text-3);font-size:13.5px}
.search-box input{
  flex:1;border:0;outline:0;background:transparent;color:var(--text-1);font-size:14px;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,200,180,.18)}
.chips{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;flex:0 1 auto;max-width:420px;
  padding:2px 0;
}
.chips::-webkit-scrollbar{display:none}
.chips a{
  flex:0 0 auto;
  font-size:12.5px;color:var(--text-2);
  padding:4px 11px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  white-space:nowrap;
  transition:all .22s var(--ease);
}
.chips a:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(18,200,180,.10)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;
  padding:12px 22px;
  font-size:15px;font-weight:700;
  color:#05201C;
  background:linear-gradient(135deg,var(--primary),var(--primary-300));
  box-shadow:0 6px 20px rgba(18,200,180,.32);
  cursor:pointer;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), filter .2s var(--ease), color .2s var(--ease);
  white-space:nowrap;
}
.btn-cta:hover{color:#05201C;transform:translateY(-1px);box-shadow:0 10px 28px rgba(18,200,180,.42);filter:brightness(1.06)}
.btn-cta:active{transform:translateY(0);box-shadow:0 4px 14px rgba(18,200,180,.28)}
.btn-cta:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-cta.small{padding:10px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  color:var(--text-1);font-size:14.5px;font-weight:600;
  cursor:pointer;
  transition:all .22s var(--ease);
}
.btn-ghost:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(18,200,180,.10)}
.btn-ghost:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-1);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary-300)}

.channel-row{
  display:flex;align-items:center;gap:4px;
  min-height:48px;
  overflow-x:auto;scrollbar-width:none;
}
.channel-row::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 15px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  border-radius:2px;background:transparent;
  transition:background .22s var(--ease);
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{background:rgba(18,200,180,.45)}
.nav-link.active{color:var(--text-1);font-weight:700}
.nav-link.active::after{background:var(--primary);box-shadow:0 0 12px rgba(18,200,180,.65)}
.channel-extra{
  margin-left:auto;display:flex;align-items:center;gap:16px;
  padding-left:18px;white-space:nowrap;
}
.channel-extra a{font-size:13.5px;color:var(--text-3)}
.channel-extra a:hover{color:var(--primary-300)}

.drawer{display:none;padding:14px 0 18px;border-top:1px solid var(--line);background:rgba(6,12,21,.94)}
.drawer.open{display:block}
.drawer .search-box{max-width:none;margin-bottom:12px}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{padding:11px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.05)}
.drawer-links a.active{color:var(--primary-300);font-weight:700}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--text-3)}
.crumb li{display:flex;align-items:center;gap:8px;margin:0}
.crumb li+li::before{content:"/";color:rgba(110,134,152,.6)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary-300)}
.crumb .current{color:var(--text-2);max-width:30ch;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}

/* ---------- 页面头部 ---------- */
.page-head{padding:30px 0 8px}
.page-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--primary-300);
  padding:5px 12px;border-radius:6px;
  border:1px solid var(--line-strong);
  background:rgba(18,200,180,.10);
  margin-bottom:16px;
}
.page-head h1{font-size:34px;margin-bottom:14px;max-width:22ch;letter-spacing:.3px}
.page-head h1 span{color:var(--primary-300)}
.page-head .lead{font-size:16.5px;color:var(--text-2);max-width:720px;margin-bottom:0}
.notice-bar{
  margin:26px 0 0;
  display:flex;align-items:center;gap:12px;
  padding:13px 18px;
  border:1px solid var(--line);
  border-left:2px solid var(--primary);
  border-radius:12px;
  background:rgba(18,38,58,.36);
  font-size:14px;color:var(--text-2);
}
.notice-bar .badge-amber{flex:0 0 auto}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section.tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:31px;margin-bottom:14px;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:3px;
  background:var(--primary);box-shadow:0 0 14px rgba(18,200,180,.6);
}
.section-head p{color:var(--text-2);margin-bottom:0;font-size:16px}

.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;
  padding:6px 10px;border-radius:6px;
  color:var(--primary-300);
  background:rgba(18,200,180,.12);
  border:1px solid rgba(18,200,180,.28);
}
.badge-amber{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;
  padding:6px 10px;border-radius:6px;
  color:#3A2400;
  background:var(--accent);
  font-weight:700;
}

/* ---------- 对照表 ---------- */
.compare-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card), var(--inner-hi);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  padding:8px;
  overflow:hidden;
}
.compare-table{width:100%;border-collapse:collapse;margin:0}
.compare-table caption{
  caption-side:top;
  text-align:left;
  padding:16px 18px 12px;
  font-size:13px;
  color:var(--text-3);
}
.compare-table th,.compare-table td{
  text-align:left;
  padding:16px 18px;
  vertical-align:top;
  border-bottom:1px solid var(--line);
  font-size:15px;
  line-height:1.75;
}
.compare-table thead th{
  font-size:14px;
  color:var(--primary-300);
  background:rgba(18,200,180,.08);
  letter-spacing:.3px;
  border-bottom:1px solid rgba(18,200,180,.24);
}
.compare-table thead th:first-child{border-top-left-radius:12px}
.compare-table thead th:last-child{border-top-right-radius:12px}
.compare-table tbody tr:hover{background:rgba(255,255,255,.028)}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table td:first-child{color:var(--text-1);font-weight:600;width:26%}
.compare-table td:nth-child(2){color:var(--text-2)}
.compare-table td:nth-child(3){color:var(--text-2)}
.compare-table td:nth-child(3) strong{color:var(--accent);font-weight:700}

/* ---------- 卡片矩阵 ---------- */
.matrix{display:grid;gap:20px;grid-template-columns:repeat(6,1fr)}
.card-glass{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card), var(--inner-hi);
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
  overflow:hidden;
  transition:transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.card-glass:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 40px rgba(0,0,0,.44), var(--inner-hi)}
.card-bodyx{padding:22px 22px 24px}
.card-glass h3{font-size:19px;margin-bottom:10px}
.card-glass:hover h3{color:var(--primary-300)}
.card-glass p{font-size:14.5px;color:var(--text-2);margin-bottom:12px}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card-glass:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,12,21,.12), rgba(6,12,21,.72));
}
.card-tag{
  position:absolute;left:14px;top:14px;z-index:2;
}
.card-list{list-style:none;padding:0;margin:0 0 16px}
.card-list li{
  position:relative;padding-left:20px;
  font-size:14.5px;color:var(--text-2);margin-bottom:9px;
}
.card-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;
  background:rgba(18,200,180,.65);
  box-shadow:0 0 10px rgba(18,200,180,.5);
}
.link-more{font-size:14px;font-weight:600;color:var(--primary-300);display:inline-flex;align-items:center;gap:6px}
.link-more i{transition:transform .22s var(--ease)}
.link-more:hover i{transform:translateX(3px)}

.card-xl{grid-column:span 3}
.card-lg{grid-column:span 2}
.card-sm{grid-column:span 2}
.card-xl .card-bodyx{padding:26px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion-item{
  background:var(--glass);
  border:1px solid var(--line) !important;
  border-radius:16px !important;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(16px) saturate(120%);
  -webkit-backdrop-filter:blur(16px) saturate(120%);
}
.accordion-button{
  background:transparent !important;
  color:var(--text-1) !important;
  font-size:16px;
  font-weight:600;
  padding:18px 20px;
  box-shadow:none !important;
  transition:background .22s var(--ease), box-shadow .22s var(--ease);
}
.accordion-button:not(.collapsed){
  background:rgba(18,200,180,.07) !important;
  box-shadow:inset 2px 0 0 var(--primary) !important;
  color:var(--primary-300) !important;
}
.accordion-button::after{display:none}
.accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.faq-icon{
  margin-left:auto;flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  color:var(--primary-300);font-size:15px;line-height:1;
  transition:transform .3s var(--ease), background .22s var(--ease);
}
.faq-icon::before{content:"+"}
.accordion-button:not(.collapsed) .faq-icon::before{content:"−"}
.accordion-button:not(.collapsed) .faq-icon{background:rgba(18,200,180,.14);transform:rotate(180deg)}
.accordion-body{
  padding:4px 20px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.accordion-body p:last-child{margin-bottom:0}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field input[type="text"],
.field input[type="tel"],
.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-1);
  outline:0;
  transition:border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.field textarea{resize:vertical;min-height:88px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,200,180,.18)}
.field-error{font-size:12.5px;color:var(--accent-2);margin-top:6px}
.privacy-line{
  display:flex;align-items:flex-start;gap:9px;
  font-size:12.5px;color:var(--text-3);
  line-height:1.7;margin:4px 0 18px;
}
.privacy-line input[type="checkbox"]{
  margin-top:3px;width:15px;height:15px;flex:0 0 auto;
  accent-color:var(--primary);
}
.privacy-line a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.privacy-line a:hover{color:var(--primary-300)}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;margin-bottom:0}
.form-success{
  margin-top:14px;padding:12px 14px;border-radius:12px;
  border:1px solid rgba(18,200,180,.35);
  background:rgba(18,200,180,.10);
  color:var(--primary-300);font-size:14px;
}

.cta-panel{
  background:linear-gradient(135deg, rgba(18,200,180,.12), rgba(18,38,58,.5) 62%);
  border:1px solid var(--line-strong);
  border-radius:22px;
  padding:34px 30px;
  box-shadow:var(--shadow-card), var(--inner-hi);
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
}
.cta-panel h2{font-size:26px;margin-bottom:10px}
.cta-panel p{color:var(--text-2);margin-bottom:0;font-size:15px;max-width:52ch}
.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:240px}
.cta-actions .privacy-line{margin:0}

/* ---------- 弹层 ---------- */
.glass-modal{
  background:rgba(10,20,32,.92);
  border:1px solid var(--line-strong);
  border-radius:20px;
  box-shadow:0 30px 70px rgba(0,0,0,.6), var(--inner-hi);
  color:var(--text-1);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  padding:26px 26px 24px;
  position:relative;
}
.modal-backdrop.show{opacity:.72}
.modal-close{
  position:absolute;right:16px;top:16px;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s var(--ease);
}
.modal-close:hover{color:var(--primary-300);border-color:var(--line-strong);box-shadow:0 0 18px rgba(18,200,180,.35)}
.modal-close:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.modal-title-x{font-size:21px;font-weight:700;margin:0 0 8px}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:20px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;
  background:#050A12;
  border-top:1px solid rgba(18,200,180,.28);
  box-shadow:0 -12px 40px rgba(0,0,0,.4);
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-brand .brand-mark{width:30px;height:30px;font-size:13px}
.site-footer p{font-size:14px;color:var(--text-3);line-height:1.85;margin-bottom:0;max-width:38ch}
.footer-title{font-size:14px;color:var(--text-1);font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-3)}
.footer-links a:hover{color:var(--primary-300)}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-3);margin:0}
.footer-contact i{margin-top:5px;color:var(--primary-600);font-size:13px}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .chips{max-width:300px}
  .card-xl{grid-column:span 6}
  .card-lg,.card-sm{grid-column:span 3}
}
@media (max-width:991px){
  .chips{display:none}
  .channel-extra{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:60px 0}
  .page-head h1{font-size:30px}
  .section-head h2{font-size:27px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.82}
  .container{padding:0 20px}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .brand-inner{min-height:60px;gap:12px}
  .brand-text{font-size:17px}
  .btn-cta.small{padding:9px 15px;font-size:13.5px}
  .channel-row{min-height:44px}
  .nav-link{height:42px;padding:0 12px;font-size:14.5px}
  .nav-link::after{left:12px;right:12px}
  .section{padding:52px 0}
  .section-head h2{font-size:24px}
  .page-head h1{font-size:25px}
  .matrix{grid-template-columns:1fr}
  .card-xl,.card-lg,.card-sm{grid-column:auto}
  .compare-table thead{display:none}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
  .compare-table tr{
    border-bottom:1px solid var(--line);
    padding:6px 0;
  }
  .compare-table tr:last-child{border-bottom:0}
  .compare-table td{border-bottom:0;padding:10px 18px}
  .compare-table td:first-child{
    font-size:15.5px;color:var(--primary-300);
  }
  .compare-table td:nth-child(2)::before{
    content:"先自行核对：";display:block;font-size:12.5px;color:var(--text-3);margin-bottom:4px;
  }
  .compare-table td:nth-child(3)::before{
    content:"提交咨询：";display:block;font-size:12.5px;color:var(--accent);margin-bottom:4px;
  }
  .cta-panel{padding:26px 22px}
  .cta-actions{width:100%;min-width:0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .accordion-button{font-size:15.5px;padding:16px 16px}
  .accordion-body{padding:0 16px 20px}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .page-head h1{font-size:23px}
  .section-head h2{font-size:22px}
  .card-xl .card-bodyx{padding:20px}
  .card-bodyx{padding:20px}
}