/* roulang page: index */
:root{
  --bg-0:#070C0F;
  --bg-1:#0C1418;
  --bg-2:#111C21;
  --glass:rgba(15,27,32,.62);
  --glass-solid:rgba(15,27,32,.94);
  --primary:#18E0C0;
  --primary-deep:#0FB39B;
  --accent:#FF7A3D;
  --text:#E9F4F2;
  --text-2:#A8BDBB;
  --text-3:#6F8583;
  --line:rgba(148,210,204,.16);
  --line-strong:rgba(24,224,192,.38);
  --ok:#43D17A;
  --err:#FF5D5D;
  --r-card:18px;
  --r-btn:12px;
  --shadow:0 16px 40px rgba(0,0,0,.32);
  --shadow-hover:0 20px 48px rgba(0,0,0,.42);
  --glow:0 8px 28px rgba(255,122,61,.28);
  --mono:ui-monospace,"DIN Alternate","Barlow","SFMono-Regular",Menlo,Consolas,monospace;
  --sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:124px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(600px 600px at 84% 0%, rgba(24,224,192,.16), transparent 72%),
    radial-gradient(420px 420px at 98% 76%, rgba(255,122,61,.07), transparent 72%),
    linear-gradient(rgba(148,210,204,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,210,204,.035) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,fixed,fixed;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:#5CF2DA}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:var(--primary);text-transform:none}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:650;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease}
.btn-primary{background:var(--accent);color:#08110F;box-shadow:var(--glow)}
.btn-primary:hover{background:#FF8C57;color:#08110F;transform:translateY(-1px);box-shadow:0 10px 34px rgba(255,122,61,.42)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(255,122,61,.3)}
.btn-ghost{background:transparent;border-color:rgba(233,244,242,.26);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(24,224,192,.08);color:var(--primary)}
.btn-block{width:100%}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:10px}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-arrow .arw{transition:transform .2s ease}
.link-arrow:hover .arw{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:120;background:rgba(7,12,15,.82);-webkit-backdrop-filter:blur(18px) saturate(130%);backdrop-filter:blur(18px) saturate(130%);border-bottom:1px solid rgba(148,210,204,.14);transition:background .25s ease}
.header-brand-bar{height:64px;display:flex;align-items:center;transition:height .25s ease}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#06110F;font-weight:800;font-size:17px;box-shadow:0 6px 18px rgba(24,224,192,.28);flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text strong{font-size:17px;font-weight:750;letter-spacing:.02em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:10.5px;color:var(--text-3);letter-spacing:.3em;margin-top:3px}
.brand-actions{display:flex;align-items:center;gap:12px}
.search-box{position:relative;display:flex;align-items:center;gap:8px;width:212px;height:38px;padding:0 12px;border-radius:999px;background:rgba(17,28,33,.86);border:1px solid var(--line);transition:width .25s ease,border-color .2s ease,box-shadow .2s ease}
.search-box:focus-within{width:288px;border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,224,192,.18)}
.search-box svg{flex:none;color:var(--text-3)}
.search-box input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text);font-size:13px;font-family:inherit}
.search-box input::placeholder{color:var(--text-3)}
.search-suggest{position:absolute;top:calc(100% + 10px);left:0;right:0;padding:10px;border-radius:14px;background:var(--glass-solid);border:1px solid var(--line);display:none;flex-wrap:wrap;gap:8px;box-shadow:var(--shadow)}
.search-box:focus-within .search-suggest{display:flex}
.search-suggest a{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(24,224,192,.1);border:1px solid rgba(24,224,192,.2);color:var(--text-2)}
.search-suggest a:hover{color:var(--primary);border-color:var(--line-strong)}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(17,28,33,.8);color:var(--text);align-items:center;justify-content:center;cursor:pointer}
.menu-btn:hover{border-color:var(--line-strong);color:var(--primary)}
.channel-nav{border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:46px}
.channel-list{display:flex;align-items:center;gap:26px;overflow:visible}
.channel-list a{position:relative;display:inline-flex;align-items:center;height:46px;font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap}
.channel-list a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:transparent;transition:background .2s ease}
.channel-list a:hover{color:var(--primary)}
.channel-list a.active{color:var(--text);font-weight:650}
.channel-list a.active::after{background:var(--primary)}
.hot-tags{display:flex;align-items:center;gap:8px;flex-wrap:nowrap}
.hot-tags a{display:inline-flex;align-items:center;gap:5px;height:26px;padding:0 11px;border-radius:999px;background:rgba(255,122,61,.10);border:1px solid rgba(255,122,61,.18);color:#FFBC9E;font-size:12px;white-space:nowrap;transition:background .2s ease,color .2s ease,border-color .2s ease}
.hot-tags a::before{content:"热";font-size:10px;font-weight:700;color:var(--accent);line-height:1}
.hot-tags a:hover{background:rgba(255,122,61,.18);border-color:rgba(255,122,61,.4);color:#FFD6C4}
.site-header.is-scrolled .header-brand-bar{height:56px}
.header-search-mobile{display:none}

/* ---------- hero ---------- */
.hero{padding:56px 0 80px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:20px;width:520px;height:520px;border-radius:50%;border:1px solid rgba(24,224,192,.16);pointer-events:none;z-index:0}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:center;min-height:600px}
.hero-copy{grid-column:span 7}
.hero-copy h1{font-size:clamp(2.1rem,4.4vw,3.5rem);font-weight:800;line-height:1.15;letter-spacing:-.01em;margin-top:18px}
.hero-copy h1 .hl{color:var(--primary)}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.85;color:var(--text-2);max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.trust-bar li{font-size:12px;color:var(--text-3);line-height:1.6}
.trust-bar strong{display:block;font-size:14.5px;font-weight:650;color:var(--text);margin-bottom:2px}
.hero-visual{grid-column:span 5;position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/5;max-height:540px;background:linear-gradient(160deg,#0F1B20,#070C0F)}
.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(1.05)}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,15,.28) 0%,rgba(7,12,15,.5) 55%,rgba(7,12,15,.88) 100%)}
.float-card{position:absolute;z-index:2;padding:10px 14px;border-radius:14px;background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);box-shadow:0 10px 26px rgba(0,0,0,.36);display:flex;flex-direction:column;gap:2px;font-size:11.5px;color:var(--text-2);letter-spacing:.04em}
.float-card b{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--primary);letter-spacing:0;font-variant-numeric:tabular-nums}
.float-card.fc-1{left:16px;top:18px}
.float-card.fc-2{right:16px;top:42%}
.float-card.fc-3{left:18px;bottom:18px}
.float-card.fc-2 b{color:var(--accent)}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pain-card{position:relative;padding:26px 26px 26px 30px;background:linear-gradient(180deg,rgba(17,28,33,.92),rgba(12,20,24,.92));border:1px solid var(--line);border-radius:var(--r-card);transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;overflow:hidden}
.pain-card::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--primary),rgba(24,224,192,0))}
.pain-card .num{display:block;font-family:var(--mono);font-size:40px;font-weight:800;line-height:1;color:rgba(24,224,192,.14);margin-bottom:12px;font-variant-numeric:tabular-nums}
.pain-card h3{font-size:1.12rem;font-weight:650;line-height:1.45}
.pain-card p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75}
.pain-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.pain-grid > :nth-child(even){margin-top:24px}

/* ---------- bento ---------- */
.solution-bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento{position:relative;border-radius:var(--r-card);border:1px solid var(--line);overflow:hidden;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;background:var(--bg-2)}
.bento:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.bento-glass{background:var(--glass);-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%)}
.bento-a{grid-column:span 7;grid-row:span 2;min-height:320px;display:flex;flex-direction:column;justify-content:flex-end;padding:28px}
.bento-a img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.bento-a:hover img{transform:scale(1.03)}
.bento-a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,15,.18) 0%,rgba(7,12,15,.72) 55%,rgba(7,12,15,.94) 100%)}
.bento-a .bento-body{position:relative;z-index:2}
.bento-b,.bento-c{grid-column:span 5;min-height:148px;padding:24px;display:flex;flex-direction:column;justify-content:center;background:rgba(17,28,33,.9)}
.bento-d{grid-column:span 12;min-height:180px;padding:28px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.bento h3{font-size:1.22rem;font-weight:650;line-height:1.4}
.bento p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75;max-width:520px}
.bento-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12px;background:rgba(24,224,192,.1);border:1px solid rgba(24,224,192,.24);color:#7CF2DF;white-space:nowrap}
.bento-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.bento-link .arw{transition:transform .2s ease}
.bento:hover .bento-link .arw{transform:translateX(4px)}
.data-pills{display:flex;flex-wrap:wrap;gap:12px}
.data-pill{display:flex;flex-direction:column;gap:2px;min-width:132px;padding:12px 16px;border-radius:14px;background:rgba(24,224,192,.07);border:1px solid rgba(24,224,192,.2)}
.data-pill b{font-family:var(--mono);font-size:18px;font-weight:750;color:var(--primary);font-variant-numeric:tabular-nums}
.data-pill span{font-size:12px;color:var(--text-3)}

/* ---------- metrics ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--glass);border:1px solid var(--line);border-radius:20px;-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);overflow:hidden;box-shadow:var(--shadow)}
.metric{padding:32px 26px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric .num{font-family:var(--mono);font-size:clamp(32px,3.4vw,48px);font-weight:800;line-height:1;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.metric .num em{font-style:normal;font-size:.52em;color:var(--text-2);margin-left:4px;font-weight:600}
.metric .num.is-accent{color:var(--accent)}
.metric .num.is-accent em{color:rgba(255,122,61,.75)}
.metric p{margin-top:12px;font-size:13px;color:var(--text-2);line-height:1.65}
.metric small{display:block;margin-top:4px;font-size:11.5px;color:var(--text-3)}

/* ---------- news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.news-head h2{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:700;line-height:1.3}
.news-head p{margin-top:10px;color:var(--text-2);font-size:14.5px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{position:relative;background:rgba(17,28,33,.86);border:1px solid var(--line);border-radius:16px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;min-height:220px;overflow:hidden}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.news-card > a{display:flex;flex-direction:column;height:100%;padding:24px;color:inherit}
.news-card > a:hover{color:inherit}
.news-card:first-child::before{content:"";position:absolute;left:24px;top:0;width:56px;height:2px;background:var(--accent);border-radius:0 0 2px 2px}
.news-card .badge{display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 10px;border-radius:999px;font-size:11.5px;background:rgba(24,224,192,.1);border:1px solid rgba(24,224,192,.22);color:#7CF2DF;margin-bottom:12px}
.news-card h3{font-size:17px;font-weight:650;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-grid .news-card:first-child h3{font-size:19px}
.news-card p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-meta .arw{color:var(--primary);transition:transform .2s ease}
.news-card:hover .news-meta .arw{transform:translateX(4px)}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;min-height:230px;padding:32px 24px;border:1px dashed rgba(148,210,204,.28);border-radius:18px;color:var(--text-3);text-align:center}
.empty-state svg{color:var(--text-3)}
.empty-state p{font-size:15px;color:var(--text-2)}

/* ---------- cta band ---------- */
.cta-band{margin-top:56px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:28px 32px;border-radius:18px;background:linear-gradient(90deg,rgba(255,122,61,.10),rgba(255,122,61,.02));border:1px solid rgba(255,122,61,.2);border-left:3px solid var(--accent);flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.25rem,1.9vw,1.5rem);font-weight:700;line-height:1.4}
.cta-band p{margin-top:6px;font-size:14px;color:var(--text-2)}
.privacy-note{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.8}
.privacy-note a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.privacy-note a:hover{color:var(--primary)}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0;background:none;border:0;color:var(--text);font-size:16px;font-weight:600;line-height:1.6;text-align:left;cursor:pointer;transition:color .2s ease}
.faq-q:hover{color:var(--primary)}
.faq-icon{flex:none;width:20px;height:20px;position:relative;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 0 20px;font-size:14.5px;line-height:1.85;color:var(--text-2);max-width:760px}

/* ---------- footer ---------- */
.site-footer{background:#070C0F;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.15fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--text-2);line-height:1.8;max-width:280px}
.footer-contact{margin-top:16px;font-size:13px;color:var(--text-3);line-height:2}
.footer-contact span{color:var(--text-2)}
.footer-col h4{font-size:14px;font-weight:650;margin-bottom:14px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- modal ---------- */
.lead-modal{position:fixed;inset:0;z-index:300;display:none}
.lead-modal.show{display:flex;align-items:center;justify-content:center;padding:24px}
.modal-backdrop{position:absolute;inset:0;background:rgba(3,8,10,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.modal-panel{position:relative;width:100%;max-width:560px;max-height:88vh;overflow:auto;background:rgba(15,27,32,.93);-webkit-backdrop-filter:blur(16px) saturate(120%);backdrop-filter:blur(16px) saturate(120%);border:1px solid var(--line-strong);border-radius:20px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.modal-panel h3{font-size:19px;font-weight:700;line-height:1.4}
.modal-panel .modal-desc{margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.75}
.modal-close{position:absolute;right:14px;top:14px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:rgba(17,28,33,.8);color:var(--text-2);font-size:20px;line-height:1;cursor:pointer;display:grid;place-items:center;transition:border-color .2s ease,color .2s ease}
.modal-close:hover{border-color:var(--line-strong);color:var(--primary)}
.form-grid{display:grid;gap:14px;margin-top:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;font-weight:500;color:var(--text-2)}
.field label .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;background:#0B1519;border:1px solid var(--line);border-radius:10px;color:var(--text);font-size:15px;font-family:inherit;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:auto;min-height:88px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:38px}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,224,192,.18)}
.field.invalid input,.field.invalid select{border-color:var(--err)}
.field .err-msg{display:none;font-size:12px;color:var(--err)}
.field.invalid .err-msg{display:block}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--text-2);line-height:1.7;margin-top:2px}
.check-line input{width:16px;height:16px;flex:none;margin-top:4px;accent-color:var(--primary);height:16px}
.form-status{display:none;margin-top:12px;padding:10px 14px;border-radius:10px;font-size:13px}
.form-status.ok{display:block;background:rgba(67,209,122,.12);border:1px solid rgba(67,209,122,.36);color:#7DE8A9}
.form-status.bad{display:block;background:rgba(255,93,93,.1);border:1px solid rgba(255,93,93,.34);color:#FF9E9E}
.modal-foot{margin-top:12px;font-size:11.5px;color:var(--text-3);line-height:1.7}
.modal-foot a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(3,8,10,.66);z-index:190;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:200;background:rgba(10,18,22,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text-2);font-size:20px;cursor:pointer;display:grid;place-items:center}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong)}
.drawer-links{margin-top:12px;display:flex;flex-direction:column}
.drawer-links a{display:flex;align-items:center;min-height:44px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(148,210,204,.08)}
.drawer-links a.active,.drawer-links a:hover{color:var(--primary)}
.drawer-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.drawer-tags a{font-size:12px;padding:6px 12px;border-radius:999px;background:rgba(255,122,61,.1);border:1px solid rgba(255,122,61,.2);color:#FFBC9E}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1140px}
  .hero-grid{gap:26px}
}
@media (max-width:991px){
  html{scroll-padding-top:96px}
  .section{padding:64px 0}
  .hero{padding:36px 0 64px}
  .hero-grid{grid-template-columns:1fr;min-height:0;gap:32px}
  .hero-copy,.hero-visual{grid-column:span 12}
  .hero-visual{max-height:420px;aspect-ratio:16/11}
  .hero-copy h1{font-size:clamp(1.95rem,5vw,2.6rem)}
  .trust-bar{grid-template-columns:repeat(2,1fr);gap:18px 20px}
  .search-box{display:none}
  .header-search-mobile{display:inline-flex}
  .hot-tags{display:none}
  .menu-btn{display:inline-flex}
  .channel-inner{height:44px;overflow-x:auto;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 20px),transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 20px),transparent 100%)}
  .channel-inner::-webkit-scrollbar{display:none}
  .channel-list{gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .solution-bento{grid-template-columns:repeat(2,1fr)}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 2;grid-row:auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .pain-grid > :nth-child(even){margin-top:0}
  .brand-actions{gap:8px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .hero-copy h1{font-size:clamp(1.8rem,7.2vw,2.15rem)}
  .hero-sub{font-size:15px}
  .hero-cta .btn{flex:1 1 100%}
  .pain-grid{grid-template-columns:1fr;gap:16px}
  .pain-card{padding:20px 20px 20px 24px}
  .solution-bento{grid-template-columns:1fr;gap:16px}
  .bento-a,.bento-b,.bento-c,.bento-d{grid-column:span 1}
  .bento-a{min-height:240px}
  .bento-d{flex-direction:column;align-items:flex-start;gap:18px}
  .news-grid{grid-template-columns:1fr}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .metric{padding:22px 18px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .lead-modal.show{align-items:flex-end;padding:0}
  .modal-panel{max-width:none;border-radius:20px 20px 0 0;max-height:88vh;padding:24px 20px 28px}
  .float-card.fc-2{top:auto;bottom:32%;right:12px}
  .hot-tags{display:none}
  .brand-text strong{font-size:15.5px}
}
@media (max-width:559px){
  .hero{padding:24px 0 48px}
  .hero-copy h1{font-size:1.75rem}
  .trust-bar{grid-template-columns:1fr 1fr;gap:14px}
  .metric .num{font-size:32px}
  .faq-q{font-size:15px;padding:16px 0}
  .header-brand-bar{height:56px}
  .btn{height:46px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg-0:#070C0F;
  --bg-1:#0C1418;
  --bg-2:#111C21;
  --panel:rgba(15,27,32,.62);
  --panel-solid:rgba(17,28,33,.86);
  --primary:#18E0C0;
  --primary-deep:#0FB39B;
  --accent:#FF7A3D;
  --text:#E9F4F2;
  --text-2:#A8BDBB;
  --text-3:#6F8583;
  --line:rgba(148,210,204,.16);
  --line-strong:rgba(24,224,192,.38);
  --ok:#43D17A;
  --err:#FF5D5D;
  --warn:#FFB020;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-card:0 16px 40px rgba(0,0,0,.32);
  --shadow-hover:0 20px 48px rgba(0,0,0,.42);
  --shadow-cta:0 8px 28px rgba(255,122,61,.28);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"DIN Alternate","Barlow",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg-0);
  background-image:
    radial-gradient(600px 600px at 88% -6%, rgba(24,224,192,.16), transparent 70%),
    radial-gradient(420px 420px at 96% 96%, rgba(255,122,61,.07), transparent 70%),
    linear-gradient(rgba(148,210,204,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,210,204,.035) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#08110F;padding:10px 18px;z-index:999;border-radius:0 0 10px 0;font-weight:600;}
.skip-link:focus{left:0;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:650;line-height:1;white-space:nowrap;transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,border-color .2s ease,color .2s ease;cursor:pointer;}
.btn-primary{background:var(--accent);color:#08110F;box-shadow:var(--shadow-cta);border:1px solid transparent;}
.btn-primary:hover{background:#ff8a55;color:#08110F;text-decoration:none;transform:translateY(-1px);box-shadow:0 12px 34px rgba(255,122,61,.38);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-primary:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-ghost{background:transparent;color:var(--text);border:1px solid rgba(233,244,242,.28);}
.btn-ghost:hover{color:var(--text);border-color:var(--line-strong);background:rgba(24,224,192,.08);text-decoration:none;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.text-link:hover{text-decoration:none;}
.text-link .arrow{transition:transform .2s ease;font-size:15px;}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:120;background:rgba(7,12,15,.82);backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);border-bottom:1px solid rgba(148,210,204,.14);transition:padding .2s ease;}
.brandbar-inner{display:flex;align-items:center;gap:24px;height:60px;transition:height .2s ease;}
.site-header.is-scrolled .brandbar-inner{height:52px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand:hover{text-decoration:none;}
.brand-mark{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,var(--primary),var(--primary-deep));color:#04120F;font-weight:800;font-size:19px;box-shadow:0 6px 18px rgba(24,224,192,.28);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;color:var(--text);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:10.5px;color:var(--text-3);letter-spacing:.22em;}
.brandbar-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{height:38px;width:200px;padding:0 38px 0 14px;border-radius:var(--radius-sm);background:var(--bg-2);border:1px solid var(--line);color:var(--text);font-size:13.5px;transition:width .25s ease,border-color .2s ease,box-shadow .2s ease;}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{width:280px;border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,224,192,.18);outline:none;}
.nav-search .search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-3);pointer-events:none;}
.nav-hot{font-size:13px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid transparent;}
.nav-hot:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(24,224,192,.06);text-decoration:none;}
.nav-hot i{font-style:normal;color:var(--accent);font-size:11px;font-weight:700;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;border-radius:2px;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* ---------- 频道导航 ---------- */
.channel-nav{border-top:1px solid rgba(148,210,204,.10);}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:44px;transition:height .2s ease;}
.site-header.is-scrolled .channel-inner{height:40px;}
.channel-list{display:flex;align-items:center;gap:26px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{position:relative;display:inline-block;font-size:14px;font-weight:500;color:var(--text-2);padding:6px 0;white-space:nowrap;transition:color .2s ease;}
.channel-list a:hover{color:var(--text);text-decoration:none;}
.channel-list a.active{color:var(--primary);font-weight:650;}
.channel-list a.active::after{content:"";position:absolute;left:0;right:0;bottom:-9px;height:2px;background:var(--primary);border-radius:2px;}
.hot-tags{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.hot-tags a{display:inline-flex;align-items:center;gap:4px;font-size:12px;line-height:1;padding:7px 11px;border-radius:999px;background:rgba(255,122,61,.10);color:var(--text-2);white-space:nowrap;transition:background-color .2s ease,color .2s ease;}
.hot-tags a::before{content:"热";color:var(--accent);font-size:10px;font-weight:700;transform:translateY(-1px);}
.hot-tags a:hover{background:rgba(255,122,61,.18);color:var(--text);text-decoration:none;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(3,8,10,.72);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:200;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;background:rgba(12,20,24,.96);backdrop-filter:blur(18px);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .28s ease;z-index:210;display:flex;flex-direction:column;padding:20px 20px 24px;overflow-y:auto;}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;font-size:20px;line-height:1;color:var(--text-2);}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong);}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{display:flex;align-items:center;height:44px;font-size:15px;color:var(--text);border-bottom:1px solid rgba(148,210,204,.10);}
.drawer-links a.active{color:var(--primary);font-weight:650;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0;}
.drawer-tags a{font-size:12px;padding:8px 12px;border-radius:999px;background:rgba(255,122,61,.10);color:var(--text-2);}
.drawer-cta{margin-top:auto;padding-top:20px;}

/* ---------- 分类页首屏 ---------- */
.category-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(7,12,15,.82),rgba(7,12,15,.94)),url("/assets/images/backpic/back-1.png") center/cover no-repeat;}
.category-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 320px at 15% 0%,rgba(24,224,192,.14),transparent 70%);pointer-events:none;}
.hero-inner{position:relative;z-index:2;padding:64px 0 56px;max-width:940px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;color:var(--primary);padding:6px 12px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(24,224,192,.07);margin-bottom:20px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(24,224,192,.9);}
.category-hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);font-weight:800;line-height:1.16;letter-spacing:-.01em;margin-bottom:18px;}
.category-hero h1 .hl{color:var(--primary);}
.category-hero h1 .sub{display:block;font-size:.46em;font-weight:600;color:var(--text-2);letter-spacing:.02em;margin-top:14px;line-height:1.5;}
.hero-lead{font-size:16px;line-height:1.9;color:var(--text-2);max-width:760px;}
.stat-pills{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;}
.stat-pill{flex:1 1 200px;min-width:180px;padding:18px 20px;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);transition:transform .2s ease,border-color .2s ease;}
.stat-pill:hover{transform:translateY(-3px);border-color:var(--line-strong);}
.stat-pill .num{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-pill .num em{font-style:normal;font-size:13px;color:var(--text-3);margin-left:4px;font-weight:500;}
.stat-pill .cap{font-size:12.5px;color:var(--text-3);line-height:1.6;margin-top:6px;}
.stat-pill .cap strong{color:var(--accent);font-weight:650;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
.section-head .desc{font-size:14px;color:var(--text-2);margin-top:10px;max-width:640px;line-height:1.8;}
.section-head .head-side{flex-shrink:0;}

/* ---------- 议题时间线 ---------- */
.timeline-list{border-top:1px solid var(--line);}
.timeline-item{display:grid;grid-template-columns:88px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);transition:background-color .22s ease,transform .22s ease;}
.timeline-item:hover{background:rgba(24,224,192,.045);transform:translateX(-2px);border-bottom-color:var(--line-strong);}
.tl-mark{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);}
.tl-num{font-size:22px;font-weight:700;color:var(--primary-deep);font-variant-numeric:tabular-nums;line-height:1;}
.tl-date{font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.timeline-item h3{font-size:19px;font-weight:650;line-height:1.45;margin-bottom:8px;color:var(--text);}
.timeline-item:hover h3{color:var(--primary);}
.timeline-item p{font-size:14.5px;color:var(--text-2);line-height:1.85;max-width:820px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-block;font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;border:1px solid var(--line);color:var(--text-2);background:rgba(17,28,33,.7);transition:border-color .2s ease,color .2s ease;}
.timeline-item:hover .tag{border-color:rgba(24,224,192,.28);color:var(--text);}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-copy h2{font-size:clamp(1.45rem,2.4vw,2rem);margin-bottom:16px;}
.split-copy p{font-size:15px;color:var(--text-2);line-height:1.9;margin-bottom:14px;}
.split-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.split-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.split-list li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(24,224,192,.5);}
.split-list li strong{color:var(--text);font-weight:650;}
.split-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);aspect-ratio:4/3;background:linear-gradient(160deg,#0C1418,#111C21);}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media .media-note{position:absolute;left:16px;bottom:16px;font-size:12px;padding:6px 12px;border-radius:999px;background:rgba(7,12,15,.78);border:1px solid var(--line);color:var(--text-2);backdrop-filter:blur(8px);}

/* ---------- 观察要点 ---------- */
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.insight-card{padding:26px;border-radius:var(--radius-lg);background:var(--panel-solid);border:1px solid var(--line);transition:transform .2s ease,border-color .2s ease,box-shadow .22s ease;}
.insight-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.insight-card .idx{font-family:var(--mono);font-size:13px;color:var(--accent);letter-spacing:.08em;display:block;margin-bottom:12px;}
.insight-card h3{font-size:17px;font-weight:650;margin-bottom:10px;line-height:1.5;}
.insight-card p{font-size:14px;color:var(--text-2);line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;text-align:left;padding:19px 0;font-size:16px;font-weight:600;color:var(--text);transition:color .2s ease;}
.faq-q:hover{color:var(--primary);}
.faq-icon{position:relative;flex-shrink:0;width:20px;height:20px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.faq-icon::before{left:50%;top:4px;width:2px;height:12px;transform:translateX(-50%);}
.faq-icon::after{top:50%;left:4px;height:2px;width:12px;transform:translateY(-50%);}
.faq-item.is-open .faq-icon::before{transform:translateX(-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{font-size:14.5px;color:var(--text-2);line-height:1.85;padding:0 0 20px;max-width:760px;}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;border-radius:var(--radius-lg);padding:34px 36px;background:linear-gradient(100deg,rgba(255,122,61,.09),rgba(255,122,61,.02) 55%,rgba(24,224,192,.05));border:1px solid var(--line);overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--accent),rgba(255,122,61,.2));}
.cta-band h2{font-size:clamp(1.2rem,2vw,1.5rem);margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:620px;line-height:1.85;}
.privacy-note{margin-top:16px;font-size:12.5px;color:var(--text-3);line-height:1.8;}
.privacy-note a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px;}
.privacy-note a:hover{color:var(--primary);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{font-size:13.5px;color:var(--text-2);line-height:1.9;margin:16px 0 18px;max-width:340px;}
.footer-contact{font-size:13px;color:var(--text-3);line-height:2;}
.footer-contact span{color:var(--text-2);}
.footer-col h4{font-size:14px;font-weight:650;margin-bottom:14px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:var(--text-2);transition:color .2s ease;}
.footer-col a:hover{color:var(--primary);text-decoration:none;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid rgba(148,210,204,.12);font-size:12.5px;color:var(--text-3);}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);text-decoration:none;}

/* ---------- 弹层 ---------- */
.lead-modal{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;}
.lead-modal.is-open{opacity:1;visibility:visible;}
.lead-modal .modal-mask{position:absolute;inset:0;background:rgba(3,8,10,.72);backdrop-filter:blur(6px);}
.modal-panel{position:relative;z-index:2;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;border-radius:20px;padding:28px;background:rgba(15,27,32,.94);backdrop-filter:blur(16px) saturate(120%);border:1px solid var(--line-strong);box-shadow:0 28px 60px rgba(0,0,0,.55);transform:translateY(12px);transition:transform .28s ease;}
.lead-modal.is-open .modal-panel{transform:translateY(0);}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px;}
.modal-head h2{font-size:19px;}
.modal-desc{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:20px;}
.modal-close{flex-shrink:0;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;font-size:20px;line-height:1;color:var(--text-2);transition:color .2s ease,border-color .2s ease;}
.modal-close:hover{color:var(--primary);border-color:var(--line-strong);}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:8px;}
.form-field label .req{color:var(--accent);margin-left:4px;}
.form-input,.form-select,.form-textarea{width:100%;background:#0B1519;border:1px solid var(--line);border-radius:10px;padding:0 14px;height:46px;transition:border-color .2s ease,box-shadow .2s ease;}
.form-textarea{height:auto;padding:12px 14px;resize:vertical;min-height:84px;line-height:1.7;}
.form-input::placeholder,.form-textarea::placeholder{color:var(--text-3);}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,224,192,.18);}
.form-error{display:none;font-size:12.5px;color:var(--err);margin-top:6px;}
.form-field.has-error .form-input,.form-field.has-error .form-select{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,93,93,.14);}
.form-field.has-error .form-error{display:block;}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--text-2);line-height:1.7;margin:4px 0 18px;}
.form-check input{width:16px;height:16px;margin-top:3px;accent-color:var(--primary);flex-shrink:0;}
.form-check a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.form-submit{width:100%;}
.form-status{display:none;margin-top:14px;font-size:13px;padding:10px 14px;border-radius:10px;line-height:1.7;}
.form-status.is-ok{display:block;color:var(--ok);background:rgba(67,209,122,.10);border:1px solid rgba(67,209,122,.35);}
.form-privacy{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .split{gap:36px;}
}
@media (max-width:992px){
  .nav-search,.nav-hot{display:none;}
  .menu-toggle{display:inline-flex;}
  .channel-nav{display:none;}
  .hero-inner{padding:48px 0 44px;}
  .section{padding:64px 0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split-media{order:-1;aspect-ratio:16/10;}
  .insight-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  html{scroll-padding-top:72px;}
}
@media (max-width:768px){
  .brandbar-actions .btn-cta{display:none;}
  .timeline-item{grid-template-columns:1fr;gap:10px;padding:22px 0;}
  .tl-mark{flex-direction:row;align-items:baseline;gap:10px;}
  .tl-num{font-size:18px;}
  .insight-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .cta-band .btn{width:100%;}
  .lead-modal{align-items:flex-end;padding:0;}
  .modal-panel{max-width:100%;border-radius:20px 20px 0 0;max-height:88vh;padding:24px 20px 28px;transform:translateY(24px);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .category-hero h1{font-size:2rem;}
  .hero-lead{font-size:15px;}
  .stat-pill{flex:1 1 100%;}
  .section{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn{width:100%;}
  .section-head .head-side .text-link{font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg0:#070C0F;
  --bg1:#0C1418;
  --bg2:#111C21;
  --glass:rgba(15,27,32,.62);
  --glass-solid:rgba(15,27,32,.94);
  --main:#18E0C0;
  --main-dark:#0FB39B;
  --accent:#FF7A3D;
  --text:#E9F4F2;
  --text2:#A8BDBB;
  --text3:#6F8583;
  --line:rgba(148,210,204,.16);
  --line-strong:rgba(24,224,192,.38);
  --ok:#43D17A;
  --err:#FF5D5D;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 16px 40px rgba(0,0,0,.32);
  --shadow-hover:0 20px 48px rgba(0,0,0,.42);
  --shadow-accent:0 8px 28px rgba(255,122,61,.28);
  --mono:ui-monospace,"DIN Alternate","Barlow","SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg0);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(620px 420px at 88% -100px,rgba(24,224,192,.16),transparent 70%),
    radial-gradient(440px 340px at 104% 104%,rgba(255,122,61,.07),transparent 72%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:0}
img{max-width:100%;display:block}
a{color:var(--main);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--main)}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px}
button{font-family:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (max-width:1439px){.container{max-width:1180px}}
@media (max-width:1199px){.container{max-width:1000px}}
@media (max-width:991px){.container{max-width:780px}}
@media (max-width:767px){.container{max-width:100%;padding:0 20px}}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(7,12,15,.82);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  backdrop-filter:blur(18px) saturate(120%);
  border-bottom:1px solid rgba(148,210,204,.14);
  transition:background .25s ease;
}
.site-header.scrolled{background:rgba(7,12,15,.94)}
.header-brand-row{border-bottom:1px solid rgba(148,210,204,.08)}
.brand-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:60px;
  transition:height .25s ease;
}
.site-header.scrolled .brand-inner{height:52px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--main),var(--main-dark));
  color:#04120F;font-weight:800;font-size:17px;
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(24,224,192,.26);
}
.brand-text strong{display:block;font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--text);line-height:1.2}
.brand-text em{display:block;font-style:normal;font-size:10.5px;letter-spacing:.2em;color:var(--text3);line-height:1.4}
.header-tools{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 6px 0 14px;
  background:#0B1519;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-box:focus-within{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(24,224,192,.14)}
.search-box svg{width:15px;height:15px;stroke:var(--text3);flex-shrink:0}
.search-box input{
  width:150px;height:100%;background:transparent;border:0;outline:none;
  color:var(--text);font-size:13px;transition:width .25s ease;
}
.search-box input::placeholder{color:var(--text3)}
.search-box:focus-within input{width:210px}
.hot-entry{
  font-size:13px;color:var(--text2);
  padding:8px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(255,122,61,.08);
  white-space:nowrap;
}
.hot-entry:hover{border-color:var(--line-strong);color:var(--text)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  font-size:15px;font-weight:650;letter-spacing:.01em;
  border-radius:var(--radius-btn);border:1px solid transparent;
  cursor:pointer;text-align:center;line-height:1.2;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{background:var(--accent);color:#08110F;box-shadow:var(--shadow-accent)}
.btn-primary:hover{background:#FF8B55;transform:translateY(-1px);box-shadow:0 12px 32px rgba(255,122,61,.36);color:#08110F}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(255,122,61,.24)}
.btn-primary:disabled{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}
.btn-ghost{background:transparent;border:1px solid rgba(233,244,242,.36);color:var(--text)}
.btn-ghost:hover{border-color:var(--main);background:rgba(24,224,192,.08);color:var(--text)}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;border-radius:10px}
.btn-block{width:100%}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:transparent;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
  cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text2);transition:background .2s ease}
.menu-toggle:hover span{background:var(--main)}

.channel-nav{border-top:1px solid transparent}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:44px}
.channel-list{display:flex;align-items:center;gap:26px;list-style:none;margin:0}
.channel-list a{
  position:relative;display:inline-block;
  padding:11px 0;font-size:14px;font-weight:500;color:var(--text2);
  white-space:nowrap;
}
.channel-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:transparent;transition:background .2s ease;
}
.channel-list a:hover{color:var(--main)}
.channel-list a.active{color:var(--text)}
.channel-list a.active::after{background:var(--main)}
.hot-tags{display:flex;align-items:center;gap:8px;overflow:hidden}
.hot-tags a{
  position:relative;font-size:12px;color:var(--text2);
  padding:5px 12px 5px 24px;border-radius:var(--radius-pill);
  background:rgba(255,122,61,.10);border:1px solid rgba(255,122,61,.18);
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.hot-tags a::before{
  content:"热";position:absolute;left:8px;top:50%;transform:translateY(-50%);
  font-size:10px;color:var(--accent);font-weight:700;
}
.hot-tags a:hover{background:rgba(255,122,61,.18);color:var(--text)}

/* ===== 抽屉 ===== */
.drawer-mask{
  position:fixed;inset:0;z-index:95;
  background:rgba(3,8,10,.66);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.show{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:96;
  width:88%;max-width:360px;
  background:var(--glass-solid);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;
  padding:18px 20px 24px;
  overflow-y:auto;
}
.mobile-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--text2);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{color:var(--main);border-color:var(--line-strong)}
.drawer-label{font-size:12px;letter-spacing:.16em;color:var(--text3);margin:18px 0 8px}
.drawer-links{list-style:none;margin:0}
.drawer-links a{display:flex;align-items:center;min-height:44px;font-size:15px;color:var(--text2);border-bottom:1px solid rgba(148,210,204,.08)}
.drawer-links a:hover{color:var(--main)}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-tags a{font-size:12.5px;padding:6px 12px;border-radius:var(--radius-pill);background:rgba(24,224,192,.08);border:1px solid var(--line);color:var(--text2)}
.drawer-tags a:hover{color:var(--text);border-color:var(--line-strong)}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ===== 文章布局 ===== */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--text3);
  padding:26px 0 0;
}
.breadcrumb a{color:var(--text2)}
.breadcrumb a:hover{color:var(--main);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:var(--text3);opacity:.6}
.breadcrumb .current{color:var(--text3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:767px){.breadcrumb .current{white-space:normal}}

.article-grid{
  display:grid;
  grid-template-columns:minmax(0,800px) 220px;
  gap:52px;
  justify-content:center;
  align-items:start;
  padding:30px 0 92px;
}
.article-main{min-width:0}

.article-head .eyebrow{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.06em;color:var(--text3);
  margin-bottom:16px;
}
.eyebrow .tag{
  display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(24,224,192,.12);border:1px solid var(--line-strong);
  color:var(--main);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-head h1{
  font-size:clamp(1.95rem,3.1vw,2.6rem);
  font-weight:800;line-height:1.28;letter-spacing:-.01em;
  color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:20px;padding-bottom:22px;
  font-size:13px;color:var(--text3);
  border-bottom:1px solid var(--line);
}
.article-meta i{font-style:normal;color:var(--text2)}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text3);opacity:.6}
.article-meta .num{font-family:var(--mono);font-variant-numeric:tabular-nums}

.article-cover{margin:28px 0 34px}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:16px;border:1px solid var(--line);
  background:linear-gradient(150deg,#132128,#0A1216);
}
.article-cover figcaption{
  margin-top:12px;font-size:12.5px;color:var(--text3);text-align:center;
}

.article-body{
  font-size:16.5px;line-height:1.9;color:var(--text2);
  word-break:break-word;
}
.article-body p{margin:0 0 20px}
.article-body strong{color:var(--text);font-weight:650}
.article-body h2{
  font-size:clamp(1.35rem,2.1vw,1.7rem);
  font-weight:700;line-height:1.4;color:var(--text);
  margin:44px 0 16px;padding-left:14px;
  border-left:3px solid var(--main);
}
.article-body h3{
  font-size:1.2rem;font-weight:650;line-height:1.5;color:var(--text);
  margin:32px 0 12px;
}
.article-body h4{
  font-size:1.04rem;font-weight:650;line-height:1.55;color:var(--text);
  margin:24px 0 10px;
}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul li,.article-body ol li{margin-bottom:8px;line-height:1.85}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;
  border-left:3px solid var(--accent);
  background:rgba(255,122,61,.06);
  border-radius:0 12px 12px 0;
  color:var(--text2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--main);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--main-dark)}
.article-body img{border-radius:12px;margin:22px auto;border:1px solid var(--line)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:12.5px;color:var(--text3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;display:block;overflow-x:auto;
  border-collapse:collapse;margin:24px 0;
  font-size:14px;border:1px solid var(--line);border-radius:12px;
}
.article-body thead th{
  font-size:13px;font-weight:650;color:var(--text);
  text-align:left;padding:12px 14px;
  background:var(--bg2);white-space:nowrap;
}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--line);color:var(--text2)}
.article-body pre{
  overflow-x:auto;padding:16px 18px;border-radius:12px;
  background:#0A1418;border:1px solid var(--line);
  font-family:var(--mono);font-size:13.5px;line-height:1.7;color:var(--text2);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

.consult-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  margin:36px 0;
  padding:20px 24px;
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:14px;
  background:linear-gradient(90deg,rgba(255,122,61,.10),rgba(255,122,61,0));
}
.consult-bar h3{font-size:1.02rem;font-weight:650;color:var(--text);line-height:1.5}
.consult-bar p{font-size:13.5px;color:var(--text3);margin-top:4px;line-height:1.6}
.consult-bar .btn{flex-shrink:0}

.tag-block{margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-block .label{font-size:12.5px;color:var(--text3);letter-spacing:.08em}
.tag-block a{
  font-size:12.5px;color:var(--text2);
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(17,28,33,.9);border:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag-block a:hover{color:var(--main);border-color:var(--line-strong);background:rgba(24,224,192,.08)}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:240px;padding:40px 24px;margin:32px 0;
  border:1px dashed rgba(148,210,204,.28);
  border-radius:var(--radius-card);
  background:rgba(17,28,33,.6);
  text-align:center;
}
.empty-state svg{width:30px;height:30px;stroke:var(--text3)}
.empty-state p{font-size:15px;color:var(--text2)}

.article-aside{position:sticky;top:120px;display:flex;flex-direction:column;gap:16px}
.aside-card{
  background:rgba(17,28,33,.86);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
}
.aside-card h3{font-size:14px;font-weight:650;color:var(--text);margin-bottom:10px}
.aside-card p{font-size:13px;line-height:1.75;color:var(--text3);margin-bottom:16px}
.aside-links{list-style:none;margin:0;display:flex;flex-direction:column;gap:2px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  min-height:38px;font-size:13.5px;color:var(--text2);
  border-bottom:1px solid rgba(148,210,204,.08);
}
.aside-links li:last-child a{border-bottom:0}
.aside-links a::after{content:"›";color:var(--text3);transition:transform .2s ease,color .2s ease}
.aside-links a:hover{color:var(--main)}
.aside-links a:hover::after{transform:translateX(3px);color:var(--main)}

/* ===== 相关推荐 ===== */
.related{padding:0 0 90px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.related-head h2{font-size:clamp(1.35rem,2.1vw,1.72rem);font-weight:700;color:var(--text)}
.related-head .desc{font-size:13.5px;color:var(--text3);margin-top:6px}
.related-head a{font-size:13.5px;color:var(--main);white-space:nowrap}
.related-head a:hover{text-decoration:underline;text-underline-offset:4px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;
  background:rgba(17,28,33,.86);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  min-height:190px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.rel-card .badge{
  align-self:flex-start;
  font-size:11.5px;padding:3px 11px;border-radius:var(--radius-pill);
  background:rgba(24,224,192,.12);border:1px solid var(--line-strong);color:var(--main);
}
.rel-card h3{
  font-size:16.5px;font-weight:650;line-height:1.55;color:var(--text);
  margin:14px 0 0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .foot{
  margin-top:auto;padding-top:18px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--text3);
}
.rel-card .foot .arrow{color:var(--main);transition:transform .2s ease}
.rel-card:hover .foot .arrow{transform:translateX(4px)}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:32px;font-size:13.5px;color:var(--main);
}
.back-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ===== 弹层 ===== */
.lead-modal{position:fixed;inset:0;z-index:120;display:none}
.lead-modal.open{display:block}
.modal-mask{
  position:absolute;inset:0;
  background:rgba(3,8,10,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.modal-panel{
  position:relative;
  width:min(560px,calc(100% - 32px));
  max-height:88vh;overflow-y:auto;
  margin:6vh auto 0;
  padding:28px;
  background:var(--glass-solid);
  border:1px solid var(--line-strong);
  border-radius:20px;
  box-shadow:0 28px 70px rgba(0,0,0,.55);
  animation:modalIn .26s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.modal-head h2{font-size:19px;font-weight:700;color:var(--text);line-height:1.45}
.modal-close{
  width:40px;height:40px;flex-shrink:0;border-radius:10px;
  border:1px solid var(--line);background:transparent;
  color:var(--text2);font-size:20px;line-height:1;cursor:pointer;
  transition:color .2s ease,border-color .2s ease;
}
.modal-close:hover{color:var(--main);border-color:var(--line-strong)}
.modal-note{font-size:13px;color:var(--text3);line-height:1.7;margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--text2);margin-bottom:8px}
.field label .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:10px 14px;
  background:#0B1519;border:1px solid var(--line);
  border-radius:10px;color:var(--text);font-size:15px;font-family:inherit;
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text3) 50%),linear-gradient(135deg,var(--text3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder,.field textarea::placeholder{color:var(--text3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--main);box-shadow:0 0 0 3px rgba(24,224,192,.18)}
.field.invalid input,.field.invalid select{border-color:var(--err)}
.field .err-msg{display:none;font-size:12px;color:var(--err);margin-top:6px}
.field.invalid .err-msg{display:block}
.field.invalid input:focus,.field.invalid select:focus{box-shadow:0 0 0 3px rgba(255,93,93,.16)}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--main);flex-shrink:0}
.check-row label{font-size:12.5px;color:var(--text3);line-height:1.7}
.check-row a{color:var(--main);text-decoration:underline;text-underline-offset:3px}
.form-tip{font-size:12px;color:var(--text3);margin-top:12px;line-height:1.7}
.form-msg{display:none;font-size:13px;padding:10px 14px;border-radius:10px;margin-bottom:14px}
.form-msg.ok{display:block;color:var(--ok);background:rgba(67,209,122,.10);border:1px solid rgba(67,209,122,.34)}
.form-msg.bad{display:block;color:var(--err);background:rgba(255,93,93,.10);border:1px solid rgba(255,93,93,.34)}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg0);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--text3);line-height:1.8;max-width:330px}
.footer-contact{margin-top:16px;font-size:13px;color:var(--text3);line-height:1.95}
.footer-contact span{color:var(--text2)}
.footer-col h4{font-size:14px;font-weight:650;color:var(--text);margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:13.5px;color:var(--text3)}
.footer-col a:hover{color:var(--main)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 22px;
  font-size:12.5px;color:var(--text3);
}
.footer-bottom a{color:var(--text3)}
.footer-bottom a:hover{color:var(--main)}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .article-grid{grid-template-columns:minmax(0,820px);gap:0}
  .article-aside{display:none}
}
@media (max-width:991px){
  .search-box{display:none}
  .hot-entry{display:none}
  .menu-toggle{display:flex}
  .channel-inner{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .channel-inner::-webkit-scrollbar{display:none}
  .hot-tags{display:none}
  .channel-list{gap:22px;padding-right:20px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  html{scroll-padding-top:100px}
}
@media (max-width:767px){
  .brand-inner{height:56px}
  .site-header.scrolled .brand-inner{height:52px}
  .article-grid{padding:22px 0 68px}
  .article-head h1{font-size:32px;line-height:1.32}
  .article-meta{gap:8px 14px;font-size:12.5px}
  .article-cover{margin:22px 0 26px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{margin-top:36px}
  .consult-bar{flex-direction:column;align-items:flex-start;gap:16px;padding:18px}
  .consult-bar .btn{width:100%}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .related-head{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .modal-panel{
    width:100%;max-height:88vh;margin:0;
    position:absolute;bottom:0;left:0;right:0;
    border-radius:20px 20px 0 0;
    padding:24px 20px 28px;
    animation:sheetIn .28s ease;
  }
  @keyframes sheetIn{from{transform:translateY(100%)}to{transform:translateY(0)}}
}
@media (max-width:560px){
  .brand-text strong{font-size:15px}
  .brand-text em{font-size:9.5px;letter-spacing:.16em}
  .brand-mark{width:32px;height:32px;font-size:15px;border-radius:10px}
  .article-head .eyebrow{font-size:12px}
  .btn{min-height:46px}
  .rel-card{padding:18px;min-height:170px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#070C0F;
  --bg-1:#0C1418;
  --bg-2:#111C21;
  --glass:rgba(15,27,32,0.62);
  --glass-fallback:rgba(15,27,32,0.94);
  --primary:#18E0C0;
  --primary-d:#0FB39B;
  --accent:#FF7A3D;
  --t-main:#E9F4F2;
  --t-sub:#A8BDBB;
  --t-weak:#6F8583;
  --line:rgba(148,210,204,0.16);
  --line-strong:rgba(24,224,192,0.38);
  --success:#43D17A;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-card:0 16px 40px rgba(0,0,0,0.32);
  --shadow-hover:0 20px 48px rgba(0,0,0,0.42);
  --shadow-cta:0 8px 28px rgba(255,122,61,0.28);
  --container:1240px;
  --mono:ui-monospace,"DIN Alternate","Barlow","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t-main);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(600px 620px at 90% -10%, rgba(24,224,192,0.16), transparent 70%),
    radial-gradient(420px 420px at 98% 96%, rgba(255,122,61,0.07), transparent 70%);
  background-repeat:no-repeat;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(148,210,204,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,210,204,0.055) 1px, transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--t-main);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,12,15,0.82);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:padding .25s ease;
}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:60px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--t-main);
}
.brand-mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),var(--primary-d));
  color:#08110F;
  font-weight:800;
  font-size:17px;
  letter-spacing:0;
  box-shadow:0 6px 18px rgba(24,224,192,0.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand-text em{
  font-style:normal;
  font-size:11px;
  color:var(--t-weak);
  letter-spacing:.22em;
  margin-top:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 12px;
  width:200px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(17,28,33,0.7);
  transition:width .28s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{
  width:280px;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(24,224,192,0.16);
}
.search-box svg{flex:none;width:16px;height:16px;stroke:var(--t-weak);}
.search-box input{
  width:100%;
  border:0;
  background:transparent;
  font-size:13px;
  color:var(--t-main);
  outline:none;
}
.search-box input::placeholder{color:var(--t-weak);}
.hot-link{
  font-size:13px;
  color:var(--t-sub);
  display:inline-flex;
  align-items:center;
  gap:5px;
  white-space:nowrap;
}
.hot-link b{
  font-size:11px;
  font-weight:700;
  color:var(--accent);
  background:rgba(255,122,61,0.12);
  border-radius:4px;
  padding:0 4px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:650;
  letter-spacing:.02em;
  transition:transform .18s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#08110F;
  box-shadow:var(--shadow-cta);
}
.btn-primary:hover{background:#ff8c57;color:#08110F;transform:translateY(-1px);box-shadow:0 12px 32px rgba(255,122,61,0.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(233,244,242,0.36);
  color:var(--t-main);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(24,224,192,0.08);}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.menu-btn{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
}
.menu-btn span{
  display:block;
  width:18px;
  height:2px;
  background:var(--t-main);
  position:relative;
}
.menu-btn span::before,.menu-btn span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--t-main);
}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}
.channel-nav{border-top:1px solid var(--line);}
.channel-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:44px;
}
.channel-list{display:flex;align-items:center;gap:28px;}
.channel-list a{
  display:inline-flex;
  align-items:center;
  height:44px;
  font-size:14px;
  font-weight:500;
  color:var(--t-sub);
  position:relative;
}
.channel-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.channel-list a:hover{color:var(--t-main);}
.channel-list a:hover::after,.channel-list a.active::after{transform:scaleX(1);}
.channel-list a.active{color:var(--primary);font-weight:650;}
.hot-tags{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden;}
.hot-tags a{
  display:inline-flex;
  align-items:center;
  gap:4px;
  height:26px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  color:#FFC3A5;
  background:rgba(255,122,61,0.10);
  border:1px solid rgba(255,122,61,0.22);
  white-space:nowrap;
}
.hot-tags a::before{
  content:"热";
  font-size:10px;
  color:var(--accent);
  font-weight:700;
}
.hot-tags a:hover{background:rgba(255,122,61,0.18);color:#FFE1D2;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(3,8,10,0.66);
  backdrop-filter:blur(3px);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:88%;
  max-width:360px;
  background:rgba(12,20,24,0.96);
  backdrop-filter:blur(20px);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s ease;
  z-index:100;
  display:flex;
  flex-direction:column;
  padding:18px 20px 22px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  font-size:20px;
  color:var(--t-sub);
  display:grid;
  place-items:center;
}
.drawer-nav{margin-top:14px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:44px;
  font-size:15px;
  color:var(--t-sub);
  border-bottom:1px solid rgba(148,210,204,0.08);
}
.drawer-nav a.active{color:var(--primary);font-weight:650;}
.drawer-sub{
  font-size:12px;
  letter-spacing:.18em;
  color:var(--t-weak);
  margin:20px 0 10px;
}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-tags a{
  padding:6px 12px;
  font-size:12px;
  border-radius:999px;
  color:#FFC3A5;
  background:rgba(255,122,61,0.10);
  border:1px solid rgba(255,122,61,0.22);
}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-cta .btn{width:100%;}
main{position:relative;z-index:1;}
.site-header{position:sticky;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--primary);
  text-transform:uppercase;
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--primary);
  display:inline-block;
}
.category-hero{
  position:relative;
  padding:64px 0 44px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(90deg, rgba(7,12,15,0.97) 0%, rgba(7,12,15,0.78) 62%, rgba(7,12,15,0.62) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
}
.cat-hero-inner{max-width:900px;}
.cat-title{
  font-size:clamp(2.1rem,4.2vw,3.3rem);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  margin:16px 0 0;
}
.cat-title span{color:var(--primary);}
.cat-desc{
  margin-top:18px;
  font-size:16px;
  line-height:1.9;
  color:var(--t-sub);
  max-width:820px;
}
.stat-pills{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.stat-pill{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(17,28,33,0.72);
}
.stat-pill b{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:20px;
  font-weight:700;
  color:var(--primary);
}
.stat-pill span{font-size:12px;color:var(--t-sub);}
.filter-bar{
  padding:28px 0 0;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.filter-bar .filter-label{
  font-size:13px;
  color:var(--t-weak);
  margin-right:4px;
}
.filter-pill{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(17,28,33,0.66);
  font-size:13px;
  color:var(--t-sub);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.filter-pill:hover,.filter-pill.is-active{
  border-color:var(--line-strong);
  color:var(--primary);
  background:rgba(24,224,192,0.08);
}
.section{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;
  line-height:1.3;
}
.section-head p{
  margin-top:10px;
  font-size:14px;
  color:var(--t-sub);
  max-width:640px;
}
.section-head .head-line{
  width:56px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--primary),transparent);
  margin-bottom:14px;
}
.gear-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.gear-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:rgba(17,28,33,0.86);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.gear-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.gear-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(140deg,#0C1418,#111C21);
}
.gear-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.gear-card:hover .gear-media img{transform:scale(1.03);}
.gear-badge{
  position:absolute;
  top:12px;
  left:12px;
  padding:4px 12px;
  border-radius:999px;
  font-size:11.5px;
  font-weight:600;
  color:#08110F;
  background:rgba(24,224,192,0.92);
  backdrop-filter:blur(6px);
}
.gear-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.gear-body h3{
  font-size:1.15rem;
  font-weight:650;
  line-height:1.45;
  margin-bottom:8px;
}
.gear-body .gear-note{
  font-size:14px;
  line-height:1.75;
  color:var(--t-sub);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:49px;
}
.gear-specs{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:16px 0 18px;
}
.spec{
  font-size:12px;
  color:var(--t-sub);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 10px;
  background:rgba(11,21,25,0.7);
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  margin-top:auto;
}
.text-link svg{width:16px;height:16px;transition:transform .2s ease;}
.text-link:hover{color:var(--primary);}
.text-link:hover svg{transform:translateX(4px);}
.tip-panel{
  margin-top:36px;
  padding:26px 28px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  border-left:3px solid var(--primary);
  background:rgba(17,28,33,0.7);
}
.tip-panel h3{
  font-size:1.1rem;
  font-weight:650;
  margin-bottom:16px;
}
.tip-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.tip-list li{
  font-size:14px;
  line-height:1.8;
  color:var(--t-sub);
  padding-left:18px;
  position:relative;
}
.tip-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--primary);
  opacity:.8;
}
.tip-list li strong{display:block;color:var(--t-main);font-weight:650;font-size:14.5px;margin-bottom:2px;}
.faq-wrap{max-width:880px;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--t-main);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:none;
  width:20px;
  height:20px;
  position:relative;
  transition:transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .3s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a p{
  padding:0 0 20px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--t-sub);
  max-width:760px;
}
.cta-band{
  margin:8px 0 0;
  padding:30px 34px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,122,61,0.22);
  border-left:3px solid var(--accent);
  background:linear-gradient(100deg,rgba(255,122,61,0.10),rgba(255,122,61,0.02) 62%,transparent);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:1.4rem;font-weight:700;line-height:1.4;}
.cta-band p{margin-top:8px;font-size:14px;color:var(--t-sub);}
.cta-band .btn{flex:none;}
.site-footer{
  position:relative;
  z-index:1;
  margin-top:64px;
  background:var(--bg-0);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand p{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.85;
  color:var(--t-sub);
  max-width:320px;
}
.footer-contact{
  margin-top:16px;
  font-size:13px;
  line-height:2;
  color:var(--t-weak);
}
.footer-contact span{color:var(--t-sub);}
.footer-col h4{
  font-size:14px;
  font-weight:650;
  color:var(--t-main);
  margin-bottom:14px;
}
.footer-col ul li{margin-bottom:9px;}
.footer-col a{font-size:13.5px;color:var(--t-sub);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--t-weak);
}
.footer-bottom a{color:var(--t-weak);}
.footer-bottom a:hover{color:var(--primary);}
.lead-modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.lead-modal.is-open{display:flex;}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(3,8,10,0.72);
  backdrop-filter:blur(6px);
}
.modal-panel{
  position:relative;
  width:100%;
  max-width:560px;
  max-height:88vh;
  overflow-y:auto;
  padding:28px;
  border-radius:20px;
  border:1px solid var(--line-strong);
  background:rgba(15,27,32,0.94);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 30px 70px rgba(0,0,0,0.55);
  animation:modalIn .26s ease;
}
@keyframes modalIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
.modal-panel h3{font-size:1.2rem;font-weight:700;}
.modal-panel .modal-desc{margin-top:8px;font-size:13.5px;color:var(--t-sub);line-height:1.8;}
.modal-close{
  position:absolute;
  top:14px;
  right:14px;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  font-size:20px;
  color:var(--t-sub);
  transition:color .2s ease,border-color .2s ease;
}
.modal-close:hover{color:var(--primary);border-color:var(--line-strong);}
.form-grid{margin-top:20px;display:grid;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;font-weight:500;color:var(--t-sub);display:flex;align-items:center;gap:6px;}
.field label .req{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.field input,.field select,.field textarea{
  height:46px;
  padding:0 14px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#0B1519;
  font-size:15px;
  color:var(--t-main);
  transition:border-color .2s ease,box-shadow .2s ease;
  width:100%;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t-weak) 50%),linear-gradient(135deg,var(--t-weak) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input::placeholder,.field textarea::placeholder{color:var(--t-weak);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(24,224,192,0.18);
}
.field.has-error input,.field.has-error select{border-color:#FF5D5D;}
.field-error{font-size:12.5px;color:#FF5D5D;display:none;}
.field.has-error .field-error{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--t-sub);line-height:1.7;}
.check-row input{width:16px;height:16px;accent-color:var(--primary);margin-top:3px;flex:none;}
.check-row a{color:var(--primary);}
.form-submit{width:100%;}
.form-tip{font-size:12px;color:var(--t-weak);line-height:1.7;}
.form-success{
  display:none;
  margin-top:14px;
  padding:10px 14px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(67,209,122,0.4);
  background:rgba(67,209,122,0.1);
  color:var(--success);
  font-size:13px;
}
.form-success.is-visible{display:block;}
@media (max-width:1199px){
  :root{--container:1140px;}
  .hot-tags a:nth-child(n+4){display:none;}
}
@media (max-width:991px){
  :root{--container:960px;}
  .search-box{display:none;}
  .hot-link{display:none;}
  .channel-nav{display:none;}
  .menu-btn{display:inline-flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .gear-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tip-list{grid-template-columns:1fr;gap:14px;}
  .category-hero{padding:48px 0 36px;}
  .section{padding:52px 0;}
}
@media (max-width:767px){
  :root{--container:720px;}
  .brand-row{height:56px;}
  .category-hero{padding:40px 0 32px;}
  .cat-desc{font-size:15px;}
  .section{padding:44px 0;}
  .gear-grid{grid-template-columns:1fr;}
  .cta-band{padding:24px 20px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .lead-modal{padding:0;align-items:flex-end;}
  .modal-panel{max-width:100%;border-radius:20px 20px 0 0;max-height:88vh;padding:24px 20px 28px;}
  .stat-pills{gap:8px;}
  .stat-pill{padding:8px 14px;}
}
@media (max-width:559px){
  :root{--container:100%;}
  .cat-title{font-size:32px;}
  .section-head h2{font-size:1.4rem;}
  .gear-body{padding:18px 18px 20px;}
  .faq-q{font-size:15px;padding:18px 0;}
  .tip-panel{padding:20px;}
  .container{padding:0 20px;}
  .btn{width:100%;}
  .header-actions .btn-primary{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070C0F;
  --bg-1:#0C1418;
  --bg-2:#111C21;
  --glass:rgba(15,27,32,.62);
  --glass-fallback:rgba(15,27,32,.94);
  --accent:#18E0C0;
  --accent-deep:#0FB39B;
  --orange:#FF7A3D;
  --text:#E9F4F2;
  --text-2:#A8BDBB;
  --text-3:#6F8583;
  --line:rgba(148,210,204,.16);
  --line-strong:rgba(24,224,192,.38);
  --success:#43D17A;
  --danger:#FF5D5D;
  --warn:#FFB020;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 16px 40px rgba(0,0,0,.32);
  --shadow-hover:0 20px 48px rgba(0,0,0,.42);
  --mono:ui-monospace,"DIN Alternate","Barlow","SFMono-Regular",Menlo,Consolas,monospace;
  --sans:"PingFang 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:120px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(600px 420px at 86% -6%,rgba(24,224,192,.16),transparent 70%),
    radial-gradient(420px 320px at 102% 92%,rgba(255,122,61,.07),transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:var(--accent);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
button{font-family:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (max-width:1439px){.container{max-width:1140px}}
@media (max-width:1199px){.container{max-width:960px}}
@media (max-width:991px){.container{max-width:720px}}
@media (max-width:767px){.container{max-width:none;padding:0 20px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:650;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--orange);color:#08110F;box-shadow:0 8px 28px rgba(255,122,61,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 34px rgba(255,122,61,.36);color:#08110F}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:disabled{opacity:.45;box-shadow:none;filter:none;cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;border-color:rgba(233,244,242,.28);color:var(--text)}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(24,224,192,.08);color:var(--text)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent)}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,12,15,.82);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  backdrop-filter:blur(18px) saturate(120%);
  border-bottom:1px solid rgba(148,210,204,.14);
}
.header-main-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.brand:hover{text-decoration:none;color:var(--text)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(24,224,192,.22),rgba(24,224,192,.04));
  border:1px solid var(--line-strong);
  color:var(--accent);font-weight:800;font-size:17px;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--accent);letter-spacing:.16em}
.header-tools{display:flex;align-items:center;gap:14px}
.search-box{position:relative;display:flex;align-items:center}
.search-box .search-field{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(17,28,33,.78);
  transition:width .24s ease,border-color .2s ease,box-shadow .2s ease;
  width:200px;
}
.search-box:focus-within .search-field{width:280px;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(24,224,192,.14)}
.search-field svg{flex:0 0 16px;color:var(--text-3)}
.search-field input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text);font-size:13.5px;
}
.search-field input::placeholder{color:var(--text-3)}
.search-hints{
  position:absolute;top:calc(100% + 8px);left:0;width:280px;display:none;
  background:rgba(11,21,25,.98);border:1px solid var(--line);border-radius:14px;
  padding:12px;box-shadow:var(--shadow);z-index:10;
}
.search-box:focus-within .search-hints{display:block}
.search-hints span{display:block;font-size:12px;color:var(--text-3);margin-bottom:8px}
.search-hints a{display:inline-block;font-size:12.5px;padding:4px 10px;margin:0 6px 6px 0;border-radius:999px;background:rgba(24,224,192,.08);color:var(--text-2)}
.search-hints a:hover{color:var(--accent);text-decoration:none}
.hot-link{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);background:rgba(255,122,61,.10);border:1px solid rgba(255,122,61,.22);
}
.hot-link b{color:var(--orange);font-size:11px;font-weight:700}
.hot-link:hover{color:var(--text);text-decoration:none;border-color:rgba(255,122,61,.45)}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:rgba(17,28,33,.8);color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}
.menu-btn:hover{border-color:var(--line-strong);color:var(--accent)}
.channel-nav{border-top:1px solid rgba(148,210,204,.10);background:rgba(9,17,20,.55)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:46px}
.channel-list{display:flex;align-items:center;gap:26px;flex-wrap:nowrap}
.channel-list a{
  position:relative;display:inline-block;padding:13px 0;font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;
}
.channel-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.channel-list a:hover{color:var(--text);text-decoration:none}
.channel-list a:hover::after{transform:scaleX(1)}
.channel-list a.active{color:var(--text);font-weight:650}
.channel-list a.active::after{transform:scaleX(1)}
.hot-tags{display:flex;align-items:center;gap:8px}
.hot-tags a{
  display:inline-flex;align-items:center;gap:4px;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;color:var(--text-2);background:rgba(255,122,61,.10);border:1px solid rgba(255,122,61,.18);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;white-space:nowrap;
}
.hot-tags a:hover{color:var(--text);background:rgba(255,122,61,.16);border-color:rgba(255,122,61,.4);text-decoration:none}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,8,10,.66);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:140;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:360px;z-index:150;
  background:rgba(9,17,20,.98);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-left:1px solid var(--line);padding:22px 22px 100px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s ease;
}
body.nav-open .drawer{transform:none}
body.nav-open .drawer-mask{opacity:1;visibility:visible}
body.nav-open{overflow:hidden}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text-2);cursor:pointer}
.drawer-close:hover{color:var(--accent);border-color:var(--line-strong)}
.drawer h4{font-size:12px;letter-spacing:.14em;color:var(--text-3);font-weight:600;margin:18px 0 8px}
.drawer nav a{display:flex;align-items:center;min-height:44px;font-size:15px;color:var(--text-2);border-bottom:1px solid rgba(148,210,204,.08)}
.drawer nav a.active{color:var(--accent)}
.drawer .drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.drawer .drawer-tags a{
  display:inline-flex;align-items:center;height:34px;padding:0 12px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);background:rgba(255,122,61,.1);border:1px solid rgba(255,122,61,.2);
}
.drawer-cta{position:absolute;left:22px;right:22px;bottom:22px}

/* ---------- 面包屑与 Hero ---------- */
.crumb{font-size:12.5px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-top:26px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--accent);text-decoration:none}
.crumb .sep{color:rgba(148,210,204,.35)}
.crumb .current{color:var(--text-2)}
.category-hero{position:relative;overflow:hidden;background:var(--bg-1);padding-bottom:64px}
.category-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(100deg,var(--bg-0) 26%,rgba(7,12,15,.62) 66%,rgba(7,12,15,.42)),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center right;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:start;padding-top:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:var(--accent);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px 12px;background:rgba(24,224,192,.07);
}
h1{font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.22;font-weight:800;letter-spacing:-.01em;margin:16px 0 18px}
.hero-lead{font-size:15.5px;line-height:1.95;color:var(--text-2);max-width:660px}
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(17,28,33,.72);font-size:13px;color:var(--text-2);
}
.pill b{font-family:var(--mono);color:var(--accent);font-weight:600;font-variant-numeric:tabular-nums}
.pill.is-hot{border-color:rgba(255,122,61,.34);background:rgba(255,122,61,.10)}
.pill.is-hot b{color:var(--orange)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.support-panel{
  background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--radius);
  -webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);padding:24px;margin-top:8px;
}
.support-panel h2{font-size:16.5px;font-weight:700;letter-spacing:.01em;margin-bottom:6px}
.support-panel .panel-sub{font-size:12.5px;color:var(--text-3);margin-bottom:16px}
.panel-list li{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid rgba(148,210,204,.10);font-size:13.5px}
.panel-list li:last-child{border-bottom:0}
.panel-list .k{color:var(--text-3)}
.panel-list .v{color:var(--text);font-weight:600;text-align:right}
.panel-list .v a{color:var(--accent)}
.panel-thumb{margin-top:16px;border-radius:12px;overflow:hidden;border:1px solid var(--line);position:relative}
.panel-thumb img{width:100%;height:118px;object-fit:cover;opacity:.86}
.panel-thumb span{
  position:absolute;left:12px;bottom:10px;font-size:11.5px;color:var(--text);
  background:rgba(7,12,15,.7);border:1px solid var(--line);border-radius:999px;padding:3px 10px;
}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;position:relative;z-index:1}
.section.alt{background:var(--bg-1);border-top:1px solid rgba(148,210,204,.08);border-bottom:1px solid rgba(148,210,204,.08)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.32;font-weight:700;margin:10px 0 10px}
.section-head p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.section-tag{font-size:11.5px;letter-spacing:.18em;color:var(--accent);font-weight:600}

/* ---------- 服务卡 2x2 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.service-card{
  position:relative;background:rgba(17,28,33,.86);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.service-card::after{
  content:"";position:absolute;left:26px;top:0;width:44px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),rgba(24,224,192,0));
}
.service-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.icon-box{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(24,224,192,.08);border:1px solid var(--line-strong);color:var(--accent);
}
.service-card h3{font-size:1.18rem;font-weight:650;line-height:1.45;margin:16px 0 8px}
.service-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.card-points{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.card-points li{
  font-size:12.5px;color:var(--text-2);border:1px solid var(--line);border-radius:999px;
  padding:4px 11px;background:rgba(12,20,24,.7);
}
.card-foot{margin-top:18px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:8px}
.step{position:relative;padding-right:34px}
.step::before{
  content:"";position:absolute;top:15px;left:34px;right:12px;height:1px;
  background:linear-gradient(90deg,var(--line-strong),rgba(148,210,204,.08));
}
.step:last-child::before{display:none}
.step-num{
  position:relative;z-index:1;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;background:var(--bg-0);border:1px solid var(--line-strong);
  color:var(--accent);font-family:var(--mono);font-size:13px;
}
.section.alt .step-num{background:var(--bg-1)}
.step h3{font-size:1.05rem;font-weight:650;margin:14px 0 6px}
.step p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:300px}

/* ---------- SLA ---------- */
.sla-strip{
  display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;
  background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--radius);
  -webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
}
.sla-item{padding:28px 26px;border-right:1px solid rgba(148,210,204,.12)}
.sla-item:last-child{border-right:0}
.sla-num{font-family:var(--mono);font-size:clamp(1.9rem,3vw,2.4rem);font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.15}
.sla-item.is-hot .sla-num{color:var(--orange)}
.sla-num .unit{font-size:.45em;color:var(--text-2);margin-left:6px;font-weight:500}
.sla-title{font-size:14px;font-weight:650;margin:10px 0 4px}
.sla-cap{font-size:12.5px;color:var(--text-3);line-height:1.7}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:44px}
.split-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-figure img{width:100%;height:320px;object-fit:cover}
.split-figure figcaption{
  position:absolute;left:14px;bottom:12px;font-size:12px;color:var(--text-2);
  background:rgba(7,12,15,.72);border:1px solid var(--line);border-radius:999px;padding:4px 12px;
}
.split-body h3{font-size:1.25rem;font-weight:650;margin-bottom:12px}
.split-body p{font-size:14.5px;color:var(--text-2);line-height:1.9}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:26px;font-size:14px;color:var(--text-2);line-height:1.8}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;
  background:rgba(24,224,192,.16);border:1px solid var(--line-strong);
}

/* ---------- 公告 ---------- */
.notice-card{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:22px 26px;border-radius:14px;background:rgba(17,28,33,.86);
  border:1px solid var(--line);border-left:3px solid var(--orange);transition:border-color .2s ease,transform .2s ease;
}
.notice-card:hover{transform:translateY(-2px);border-color:rgba(255,122,61,.34);border-left-color:var(--orange)}
.notice-main{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--accent);background:rgba(24,224,192,.1);border:1px solid var(--line-strong);
}
.badge.is-orange{color:var(--orange);background:rgba(255,122,61,.1);border-color:rgba(255,122,61,.3)}
.notice-card h3{font-size:15.5px;font-weight:650;line-height:1.5}
.notice-date{font-size:12.5px;color:var(--text-3);font-family:var(--mono)}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;color:var(--text);font-size:16px;font-weight:600;line-height:1.6;
  padding:20px 0;text-align:left;cursor:pointer;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{flex:0 0 20px;position:relative;width:20px;height:20px;transition:transform .25s ease;color:var(--accent)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:transform .25s ease}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a-inner{padding:0 0 20px;font-size:14.8px;color:var(--text-2);line-height:1.85;max-width:760px}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:30px 32px;border-radius:var(--radius);
  background:linear-gradient(90deg,rgba(255,122,61,.10),rgba(255,122,61,.02));
  border:1px solid var(--line);border-left:3px solid var(--orange);
}
.cta-band h2{font-size:clamp(1.15rem,2vw,1.45rem);font-weight:700;line-height:1.4;margin-bottom:8px}
.cta-band p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:640px}
.privacy-note{font-size:12.5px;color:var(--text-3);line-height:1.9;margin-top:14px}
.privacy-note a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.privacy-note a:hover{color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;z-index:1;background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.9;margin-top:14px;max-width:330px}
.footer-contact{font-size:13px;color:var(--text-3);line-height:2;margin-top:14px}
.footer-contact span{color:var(--text-2)}
.footer-col h4{font-size:14px;font-weight:650;margin:0 0 14px;color:var(--text)}
.footer-col li{margin-bottom:10px;font-size:13.5px}
.footer-col a{color:var(--text-3)}
.footer-col a:hover{color:var(--accent);text-decoration:none}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent);text-decoration:none}

/* ---------- 线索弹层 ---------- */
.lead-modal{position:fixed;inset:0;z-index:220;display:none}
.lead-modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(3,8,10,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.modal-panel{
  position:relative;z-index:1;max-width:560px;margin:7vh auto;
  background:var(--glass);-webkit-backdrop-filter:blur(16px) saturate(120%);backdrop-filter:blur(16px) saturate(120%);
  border:1px solid var(--line-strong);border-radius:20px;padding:28px;
  box-shadow:0 28px 70px rgba(0,0,0,.55);max-height:86vh;overflow-y:auto;
}
.modal-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:rgba(11,21,25,.8);color:var(--text-2);
  display:grid;place-items:center;cursor:pointer;
}
.modal-close:hover{color:var(--accent);border-color:var(--line-strong)}
.modal-panel h3{font-size:19px;font-weight:700;margin-bottom:8px}
.modal-desc{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:20px}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:13px;font-weight:500;margin-bottom:8px;color:var(--text-2)}
.form-row label .req{color:var(--orange);margin-left:4px}
.form-row input[type="text"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea{
  width:100%;background:#0B1519;border:1px solid var(--line);border-radius:var(--radius-xs);
  color:var(--text);padding:0 14px;height:46px;font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row textarea{height:92px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-row select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--text-3)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(24,224,192,.18)}
.form-row.has-error input,.form-row.has-error select{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,93,93,.14)}
.field-error{display:none;font-size:12.5px;color:var(--danger);margin-top:6px}
.form-row.has-error .field-error{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 16px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--accent);flex:0 0 18px}
.check-row label{font-size:12.5px;color:var(--text-2);line-height:1.7;font-weight:400;margin:0}
.check-row a{color:var(--accent)}
.form-submit{width:100%}
.form-tip{font-size:12px;color:var(--text-3);line-height:1.75;margin-top:12px}
.form-feedback{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;font-size:13px;line-height:1.7;
}
.form-feedback.ok{display:block;background:rgba(67,209,122,.10);border:1px solid rgba(67,209,122,.4);color:var(--success)}
.form-feedback.err{display:block;background:rgba(255,93,93,.10);border:1px solid rgba(255,93,93,.4);color:var(--danger)}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .header-main-inner{height:56px;gap:12px}
  .search-box{display:none}
  .hot-link{display:none}
  .menu-btn{display:inline-flex}
  .header-tools .btn-primary{display:none}
  .channel-inner{overflow-x:auto;gap:18px;scrollbar-width:none}
  .channel-inner::-webkit-scrollbar{display:none}
  .hot-tags{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .service-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .flow{grid-template-columns:1fr;gap:26px}
  .step{padding-right:0;padding-left:44px}
  .step::before{display:none}
  .step-num{position:absolute;left:0;top:0}
  .sla-strip{grid-template-columns:1fr}
  .sla-item{border-right:0;border-bottom:1px solid rgba(148,210,204,.12)}
  .sla-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  html{scroll-padding-top:100px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .category-hero{padding-bottom:48px}
  h1{font-size:clamp(1.75rem,7vw,2.1rem)}
  .hero-lead{font-size:15px}
  .hero-actions .btn{flex:1 1 100%}
  .split-figure img{height:230px}
  .cta-band{padding:24px 20px}
  .modal-panel{position:absolute;left:0;right:0;bottom:0;top:auto;max-width:none;margin:0;border-radius:20px 20px 0 0;max-height:88vh}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .notice-card{align-items:flex-start}
}
@media (max-width:560px){
  .brand-text strong{font-size:15px}
  .service-card{padding:20px}
  .card-points li{font-size:12px}
  .faq-q{font-size:15px;padding:18px 0}
  .support-panel{padding:20px}
  .sla-item{padding:22px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
}