/* roulang page: index */
:root{
  --bg:#100F14;--bg-alt:#17161C;--surface:#1E1C24;--surface-2:#262430;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --brand:#FF6A2B;--brand-hover:#E4551A;--brand-soft:rgba(255,106,43,.14);
  --lime:#2FD3A8;--amber:#FFC542;--danger:#FF4D6D;
  --text:#F4F1EC;--text-2:#A8A3B3;--text-3:#6E6A7A;--ink:#14120F;
  --r-card:16px;--r-inner:12px;--r-btn:12px;--r-hero:20px;--r-cta:24px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#100F14;--bs-body-color:#F4F1EC;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-border-color:rgba(255,255,255,.08);--bs-primary:#FF6A2B;--bs-primary-rgb:255,106,43;
  --bs-link-color:#FF6A2B;--bs-link-hover-color:#E4551A;--bs-emphasis-color:#F4F1EC;
  --bs-font-monospace:"Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--bs-body-font-family);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),transform .2s var(--ease)}
a:hover{color:var(--brand-hover);text-decoration:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
::selection{background:var(--brand-soft);color:#fff}
.num{font-family:var(--bs-font-monospace);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 容器与板块 ---------- */
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0;position:relative}
.section--alt{background:var(--bg-alt);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:28px;margin-bottom:42px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-head .section-sub{color:var(--text-2);font-size:15px;max-width:620px;margin-top:12px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);display:inline-block}
.text-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.text-link:hover{gap:10px}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-dark-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:var(--r-btn);
  padding:15px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-brand{background:var(--brand);color:var(--ink);box-shadow:0 10px 26px -16px rgba(255,106,43,.85)}
.btn-brand:hover{background:var(--brand-hover);color:var(--ink);transform:translateY(-2px);box-shadow:0 10px 30px -12px rgba(255,106,43,.45)}
.btn-brand:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-dark-solid{background:var(--ink);color:#fff}
.btn-dark-solid:hover{background:#000;color:#fff;transform:translateY(-2px)}
.btn-sm{padding:11px 18px;font-size:14px}

/* ---------- 页头 · 品牌行 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(16,15,20,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brandbar-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,var(--brand),#FFB15E);color:var(--ink);font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px -12px rgba(255,106,43,.9)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.02em}
.search-pill{flex:1;max-width:420px;display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 6px 6px 16px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-pill:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.search-pill svg{flex-shrink:0;color:var(--text-3)}
.search-pill input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text);padding:8px 0}
.search-pill input::placeholder{color:var(--text-3)}
.search-pill button{border:0;background:var(--brand);color:var(--ink);font-size:13.5px;font-weight:700;border-radius:999px;padding:9px 18px;cursor:pointer;transition:background .2s var(--ease)}
.search-pill button:hover{background:var(--brand-hover)}
.brandbar-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:transparent;cursor:pointer;position:relative}
.hamburger span{position:absolute;left:12px;right:12px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s var(--ease),opacity .18s var(--ease)}
.hamburger span:nth-child(1){top:15px}
.hamburger span:nth-child(2){top:21px}
.hamburger span:nth-child(3){top:27px}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 页头 · 频道行 ---------- */
.channelbar{border-top:1px solid var(--line);background:rgba(23,22,28,.6)}
.channelbar-inner{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.channel{position:relative;flex-shrink:0;font-size:15px;font-weight:600;color:var(--text-2);padding:0 16px;height:48px;display:inline-flex;align-items:center;transition:color .2s var(--ease)}
.channel::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--brand);transition:left .22s var(--ease),right .22s var(--ease)}
.channel:hover{color:var(--text)}
.channel:hover::after{left:16px;right:16px}
.channel.is-active{color:var(--text);background:linear-gradient(180deg,transparent 40%,rgba(255,106,43,.10));}
.channel.is-active::after{left:16px;right:16px}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--bg-alt);padding:12px 0 20px}
.mobile-drawer.is-open{display:block}
.mobile-drawer a.m-item{display:block;position:relative;padding:14px 32px;font-size:15px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line)}
.mobile-drawer a.m-item.is-active{color:var(--text);background:rgba(255,255,255,.03)}
.mobile-drawer a.m-item.is-active::before{content:"";position:absolute;left:18px;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--brand)}
.mobile-drawer .m-cta{margin:18px 32px 0}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:78px 0 72px;min-height:560px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.62}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,15,20,.82) 0%,rgba(16,15,20,.88) 52%,var(--bg) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;width:100%}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--lime);background:rgba(47,211,168,.10);border:1px solid rgba(47,211,168,.28);border-radius:999px;padding:7px 15px}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
.hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin:20px 0 0}
.hero h1 span{color:var(--brand)}
.hero-sub{font-size:17px;color:var(--text-2);margin-top:18px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stats li b{display:block;font-size:30px;font-weight:700;line-height:1.1;color:var(--amber)}
.hero-stats li:nth-child(2) b{color:var(--lime)}
.hero-stats li:nth-child(3) b{color:var(--text)}
.hero-stats li span{font-size:13px;color:var(--text-3);display:block;margin-top:6px}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-hero);border:1px solid rgba(255,106,43,.28);box-shadow:0 30px 70px -40px rgba(255,106,43,.55)}
.hero-visual::after{content:"";position:absolute;inset:-14px -14px auto auto;width:120px;height:120px;border-radius:22px;background:linear-gradient(140deg,rgba(255,197,66,.22),transparent 70%);z-index:-1}

/* ---------- 痛点卡 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px 26px 30px;box-shadow:var(--shadow-card);transition:border-color .22s var(--ease),transform .22s var(--ease)}
.pain-card::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);transition:background .22s var(--ease)}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45)}
.pain-card:hover::before{background:var(--lime)}
.pain-icon{width:44px;height:44px;border-radius:var(--r-inner);background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.pain-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.pain-card p{font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ---------- 解决方案（图文分栏） ---------- */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line-strong)}
.split h2{font-size:34px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.split .lead{color:var(--text-2);font-size:16px;margin-top:16px}
.point-list{margin-top:28px;display:flex;flex-direction:column;gap:20px}
.point-item{display:flex;gap:16px}
.point-num{flex-shrink:0;width:30px;height:30px;border-radius:9px;background:var(--brand-soft);border:1px solid rgba(255,106,43,.3);color:var(--brand);font-weight:700;font-size:13.5px;display:flex;align-items:center;justify-content:center;font-family:var(--bs-font-monospace)}
.point-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.point-item p{font-size:14.5px;color:var(--text-2)}

/* ---------- 数据出血带 ---------- */
.stats-band{background:linear-gradient(180deg,#151319 0%,#100F14 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:72px 0;position:relative;overflow:hidden}
.stats-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;opacity:.7}
.stats-band .container-x{position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px}
.stat-card b{display:block;font-size:36px;font-weight:700;line-height:1.05;color:var(--amber);font-family:var(--bs-font-monospace)}
.stat-card:nth-child(even) b{color:var(--lime)}
.stat-card span{display:block;font-size:13.5px;color:var(--text-2);margin-top:10px}
.stat-card em{display:block;font-style:normal;font-size:12.5px;color:var(--text-3);margin-top:4px}

/* ---------- 证言 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px 26px 26px;transition:border-color .22s var(--ease),transform .22s var(--ease)}
.voice-card:hover{border-color:rgba(255,106,43,.4);transform:translateY(-4px)}
.voice-card .quote{position:absolute;top:14px;left:22px;font-size:52px;line-height:1;color:rgba(255,106,43,.28);font-family:Georgia,serif}
.voice-card p{font-size:14.8px;color:var(--text-2);margin-top:26px;min-height:88px}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.voice-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,var(--brand),#FFB15E);display:flex;align-items:center;justify-content:center;color:var(--ink);font-weight:800;font-size:15px}
.voice-who strong{display:block;font-size:14.5px;font-weight:700}
.voice-who span{display:block;font-size:12.5px;color:var(--text-3)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .22s var(--ease),border-color .22s var(--ease);height:100%}
.news-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45)}
.news-thumb{position:relative;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-badge{position:absolute;top:12px;left:12px;background:var(--brand-soft);color:var(--brand);border:1px solid rgba(255,106,43,.32);border-radius:999px;font-size:12px;font-weight:600;padding:5px 12px;backdrop-filter:blur(6px)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--text)}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:18px;font-size:12.5px;color:var(--text-3)}
.news-foot .arrow{color:var(--brand);font-weight:700;transition:transform .2s var(--ease)}
.news-card:hover .news-foot .arrow{transform:translateX(4px)}
.news-empty{grid-column:1/-1;background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--r-card);padding:56px 24px;text-align:center}
.news-empty .empty-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center}
.news-empty p{color:var(--text-2);font-size:14.5px;margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;text-align:left;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;font-size:16px;font-weight:700;color:var(--text);transition:color .2s var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-toggle{flex-shrink:0;width:26px;height:26px;position:relative;border-radius:8px;background:var(--brand-soft)}
.faq-toggle::before,.faq-toggle::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);transition:transform .26s var(--ease),opacity .2s var(--ease)}
.faq-toggle::before{width:12px;height:2px}
.faq-toggle::after{width:2px;height:12px}
.faq-item.is-open .faq-toggle::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 4px 24px 20px;font-size:15px;line-height:1.8;color:var(--text-2);border-left:1px solid var(--line-strong);margin-left:4px}

/* ---------- 底部 CTA ---------- */
.cta-band{background:linear-gradient(115deg,var(--brand) 0%,#FF8A3D 45%,var(--amber) 100%);border-radius:var(--r-cta);padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;color:var(--ink);box-shadow:0 40px 90px -60px rgba(255,106,43,.9)}
.cta-band h2{font-size:32px;font-weight:800;letter-spacing:-.01em;color:var(--ink);line-height:1.25}
.cta-band p{font-size:15.5px;color:rgba(20,18,15,.78);margin-top:12px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0}
.cta-band .btn-brand{background:var(--ink);color:#fff;box-shadow:none}
.cta-band .btn-brand:hover{background:#000;color:#fff}
.cta-band .btn-ghost{border-color:rgba(20,18,15,.35);color:var(--ink)}
.cta-band .btn-ghost:hover{border-color:var(--ink);color:var(--ink)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:44px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:290px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{width:38px;height:38px;border-radius:50%;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--text-2)}
.socials a:hover{color:var(--ink);background:var(--brand);border-color:var(--brand)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:11px}
.footer-contact li b{color:var(--text);font-weight:600}
.foot-form{margin-top:8px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.foot-form .field{display:flex;flex-direction:column;gap:7px}
.foot-form .field.full{grid-column:1/-1}
.foot-form label{font-size:13px;color:var(--text-2)}
.foot-form input,.foot-form textarea{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-inner);padding:12px 14px;font-size:14px;color:var(--text);outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);width:100%}
.foot-form input::placeholder,.foot-form textarea::placeholder{color:var(--text-3)}
.foot-form input:focus,.foot-form textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.22)}
.foot-form input.is-error,.foot-form textarea.is-error{border-color:var(--danger)}
.foot-form .err{font-size:13px;color:var(--danger);display:none}
.foot-form .err.show{display:block}
.foot-form textarea{min-height:88px;resize:vertical}
.foot-bottom{border-top:1px solid var(--line);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.foot-bottom .links a{color:var(--text-3);margin-left:18px}
.foot-bottom .links a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container-x{padding:0 24px}
  .hero-inner{grid-template-columns:1fr 1fr;gap:40px}
  .split{gap:40px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:repeat(2,1fr)}
  .pain-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .search-pill{display:none}
  .hamburger{display:block}
  .channelbar-inner{display:none}
  .brandbar-inner{height:60px}
  .hero{min-height:auto;padding:56px 0 56px}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:-1}
  .hero h1{font-size:34px}
  .hero-stats{gap:28px}
  .split{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .pain-grid{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .cta-band h2{font-size:26px}
}
@media (max-width:767px){
  .container-x{padding:0 18px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .section-head h2{font-size:24px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-stats li b{font-size:26px}
  .split h2{font-size:24px}
  .news-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-card b{font-size:28px}
  .footer-grid{grid-template-columns:1fr}
  .foot-form{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .foot-bottom .links a{margin:0 16px 0 0}
  .cta-band h2{font-size:22px}
  .cta-band{padding:32px 22px}
  .mobile-drawer a.m-item{padding:14px 18px}
  .mobile-drawer .m-cta{margin:16px 18px 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand:#FF6A2B;
  --brand-hover:#E4551A;
  --brand-soft:rgba(255,106,43,.14);
  --lime:#2FD3A8;
  --amber:#FFC542;
  --danger:#FF4D6D;
  --bg:#100F14;
  --bg-alt:#17161C;
  --surface:#1E1C24;
  --surface-2:#262430;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F4F1EC;
  --text-2:#A8A3B3;
  --text-3:#6E6A7A;
  --on-brand:#14120F;
  --r-card:16px;
  --r-inner:12px;
  --r-btn:12px;
  --r-hero:20px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-brand:0 10px 30px -12px rgba(255,106,43,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms var(--ease);
  --maxw:1200px;
  --ff:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ff-num:"DIN Alternate","Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --bs-primary:#FF6A2B;
  --bs-body-bg:#100F14;
  --bs-body-color:#F4F1EC;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-body-font-family:var(--ff);
  --bs-link-color:#FF6A2B;
  --bs-link-hover-color:#FFC542;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:52px 52px;
  color:var(--text);
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),border-color var(--t),transform var(--t);}
a:hover{color:var(--amber);}
h1,h2,h3,h4,h5{margin:0;color:var(--text);line-height:1.22;letter-spacing:-.02em;font-weight:800;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.num{font-family:var(--ff-num);font-variant-numeric:tabular-nums;letter-spacing:0;}

.container-x{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-btn);padding:13px 24px;font-size:15px;font-weight:700;line-height:1;cursor:pointer;transition:transform var(--t),background var(--t),border-color var(--t),box-shadow var(--t),color var(--t);white-space:nowrap;}
.btn:active{transform:scale(.98);}
.btn-brand{background:var(--brand);color:var(--on-brand);box-shadow:0 8px 22px -14px rgba(255,106,43,.7);}
.btn-brand:hover{background:var(--brand-hover);color:var(--on-brand);transform:translateY(-2px);box-shadow:var(--shadow-brand);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.text-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--amber);gap:10px;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.brandbar{background:rgba(16,15,20,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.brandbar-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:18px;color:var(--on-brand);background:linear-gradient(140deg,var(--brand),var(--amber));box-shadow:0 8px 20px -12px rgba(255,106,43,.8);}
.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:12px;color:var(--text-3);letter-spacing:.02em;}
.nav-search{flex:1 1 auto;max-width:360px;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 6px 6px 16px;transition:border-color var(--t),box-shadow var(--t);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.18);}
.nav-search svg{color:var(--text-3);flex:0 0 auto;}
.nav-search input{flex:1 1 auto;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--text);}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{border:0;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;padding:8px 16px;cursor:pointer;transition:background var(--t),color var(--t);}
.nav-search button:hover{background:var(--brand);color:var(--on-brand);}
.brandbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;padding:0;place-items:center;gap:4px;flex-direction:column;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--t),opacity var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.channelbar{background:rgba(23,22,28,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.channelbar-inner{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel{position:relative;flex:0 0 auto;display:inline-flex;align-items:center;height:48px;padding:0 16px;font-size:15px;font-weight:600;color:var(--text-2);}
.channel::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--brand);border-radius:2px;transition:left var(--t),right var(--t);}
.channel:hover{color:var(--text);}
.channel:hover::after{left:16px;right:16px;}
.channel.is-active{color:var(--text);background:rgba(255,255,255,.04);}
.channel.is-active::after{left:16px;right:16px;}

.drawer{display:none;}
@media (max-width:991.98px){
  .drawer{display:block;max-height:0;overflow:hidden;background:var(--bg-alt);border-bottom:1px solid var(--line);transition:max-height .28s var(--ease);}
  .drawer.is-open{max-height:560px;}
  .drawer-inner{padding:10px 0 18px;}
  .drawer a{display:block;padding:14px 4px 14px 16px;border-left:3px solid transparent;color:var(--text-2);font-size:15px;font-weight:600;}
  .drawer a + a{border-top:1px solid var(--line);}
  .drawer a.is-active{color:var(--text);border-left-color:var(--brand);background:rgba(255,255,255,.03);}
  .drawer .btn{width:100%;margin-top:14px;}
}

/* ---------- 面包屑 ---------- */
.crumbs-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 32px 0;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);min-width:0;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--text-3);opacity:.6;}
.crumbs .current{color:var(--text-2);max-width:44ch;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.back-link{flex:0 0 auto;font-size:13px;font-weight:600;color:var(--text-2);border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;transition:color var(--t),border-color var(--t);}
.back-link:hover{color:var(--brand);border-color:var(--brand);}

/* ---------- 文章头 ---------- */
.article-head{padding:34px 0 26px;border-bottom:1px solid var(--line);}
.article-head h1{font-size:clamp(30px,3.4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.22;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--text-3);}
.article-meta .badge-cat{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:700;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.7;}

/* ---------- 正文区 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-top:44px;padding-bottom:80px;}
.article-main{min-width:0;}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#E2DEE7;}
.article-body > * + *{margin-top:1em;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{font-size:26px;font-weight:700;margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--brand);line-height:1.35;}
.article-body h3{font-size:20px;font-weight:600;margin:1.7em 0 .6em;color:var(--text);}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--text);}
.article-body strong{color:var(--text);font-weight:700;}
.article-body ul{margin:0 0 1.3em;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.78em;width:8px;height:8px;border-radius:50%;background:var(--lime);}
.article-body ol{margin:0 0 1.3em;padding-left:1.5em;list-style:decimal;}
.article-body ol li{margin-bottom:.55em;padding-left:4px;}
.article-body blockquote{margin:1.8em 0;padding:16px 22px;border-left:3px solid var(--lime);background:rgba(255,255,255,.04);border-radius:0 12px 12px 0;color:var(--text-2);font-size:16px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.8em auto;width:100%;height:auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(255,106,43,.4);}
.article-body a:hover{color:var(--amber);border-color:var(--amber);}
.article-body table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:1.8em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--surface-2);color:var(--text);font-weight:600;}
.article-body pre{background:#161420;border:1px solid var(--line);border-radius:12px;padding:18px;overflow-x:auto;font-family:var(--ff-num);font-size:14px;line-height:1.7;}
.article-body code{font-family:var(--ff-num);font-size:.92em;background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

.empty-state{max-width:760px;border:1px dashed var(--line-strong);border-radius:var(--r-card);background:var(--surface);padding:48px 28px;text-align:center;}
.empty-state .ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin:0 auto 18px;background:var(--brand-soft);color:var(--brand);font-family:var(--ff-num);font-size:22px;font-weight:700;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* ---------- 标签与分享 ---------- */
.article-foot{max-width:760px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.tag{display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface);color:var(--text-2);font-size:13px;font-weight:600;transition:color var(--t),border-color var(--t),background var(--t);}
.tag:hover{color:var(--brand);border-color:rgba(255,106,43,.5);background:var(--brand-soft);}
.share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.share-row span.lbl{font-size:13px;color:var(--text-3);}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:var(--surface);color:var(--text-2);display:grid;place-items:center;cursor:pointer;transition:color var(--t),border-color var(--t),transform var(--t),background var(--t);}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);background:var(--surface-2);}

/* ---------- 侧栏 ---------- */
.article-side{min-width:0;}
.side-sticky{position:sticky;top:136px;display:flex;flex-direction:column;gap:22px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card);}
.side-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:16px;}
.side-card h3::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--brand);}
.hot-list li + li{border-top:1px solid var(--line);}
.hot-list a{display:flex;gap:12px;padding:13px 0;align-items:flex-start;color:var(--text-2);font-size:14px;line-height:1.6;}
.hot-list a:hover{color:var(--text);}
.hot-list .idx{font-family:var(--ff-num);font-size:16px;font-weight:700;color:var(--amber);flex:0 0 20px;line-height:1.5;}
.hot-list li:nth-child(n+4) .idx{color:var(--text-3);}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:14px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line);}
.side-links li:last-child a{border-bottom:0;}
.side-links a:hover{color:var(--brand);transform:translateX(2px);}
.side-links a::after{content:"→";font-size:13px;color:var(--text-3);}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.4vw,32px);}
.section-head p{margin:8px 0 0;color:var(--text-2);font-size:14px;}
.post-grid{display:grid;gap:24px;}
.post-grid.three{grid-template-columns:repeat(3,minmax(0,1fr));}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--t),border-color var(--t);height:100%;}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .badge{position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;background:rgba(16,15,20,.82);backdrop-filter:blur(6px);color:var(--brand);font-size:12px;font-weight:700;}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.post-body h3{font-size:17px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--brand);}
.post-body .excerpt{font-size:13.5px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;font-size:12.5px;color:var(--text-3);}
.post-foot .num{font-size:12.5px;}
.post-foot .arrow{color:var(--brand);font-weight:700;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:52px 48px;
  background:linear-gradient(120deg,#FF6A2B 0%,#FFC542 100%);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 30px 60px -34px rgba(255,106,43,.75);
}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(20,18,15,.12);}
.cta-band h2{color:#1A1712;font-size:clamp(22px,2.6vw,32px);position:relative;z-index:1;}
.cta-band p{color:rgba(26,23,18,.78);margin:10px 0 0;font-size:15px;max-width:56ch;position:relative;z-index:1;}
.cta-band .btn{position:relative;z-index:1;background:#14120F;color:#F4F1EC;box-shadow:0 12px 26px -14px rgba(0,0,0,.8);}
.cta-band .btn:hover{background:#000;color:#fff;transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;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:34ch;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{width:36px;height:36px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--text-2);transition:color var(--t),border-color var(--t),transform var(--t);}
.socials a:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:13.5px;color:var(--text-2);display:inline-block;transition:color var(--t),transform var(--t);}
.footer-col ul a:hover{color:var(--brand);transform:translateX(2px);}
.footer-form{display:flex;flex-direction:column;gap:14px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-field{display:flex;flex-direction:column;gap:7px;}
.form-field label{font-size:13px;color:var(--text-2);}
.form-field input,.form-field textarea{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-inner);padding:13px 14px;font-size:14px;color:var(--text);outline:none;transition:border-color var(--t),box-shadow var(--t);width:100%;resize:vertical;}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--text-3);}
.form-field input:focus,.form-field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.22);}
.footer-form .btn{align-self:flex-start;}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:12.5px;color:var(--text-3);}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom .links a{color:var(--text-3);}
.footer-bottom .links a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{margin-top:8px;}
  .side-sticky{position:static;}
  .post-grid.three{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .container-x{padding:0 24px;}
  .crumbs-row{padding:20px 24px 0;}
  .section{padding:64px 0;}
  .brandbar-inner{height:60px;gap:14px;}
  .nav-search{display:none;}
  .brandbar-actions .btn-brand{display:none;}
  .nav-toggle{display:flex;}
  .channelbar{display:none;}
  .article-head{padding:26px 0 20px;}
  .article-layout{padding-top:32px;padding-bottom:56px;gap:36px;}
  .related{padding-bottom:64px;}
  .cta-band{padding:40px 28px;}
}
@media (max-width:767.98px){
  .post-grid.three{grid-template-columns:minmax(0,1fr);}
  .crumbs .current{max-width:24ch;}
  .footer-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-form .btn{width:100%;}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px;}
  .crumbs-row{padding:16px 18px 0;flex-direction:column;align-items:flex-start;gap:12px;}
  .section{padding:48px 0;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-head h1{font-size:28px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{font-size:11px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#FF6A2B;
  --brand-hover:#E4551A;
  --brand-soft:rgba(255,106,43,.14);
  --mint:#2FD3A8;
  --amber:#FFC542;
  --danger:#FF4D6D;
  --bg:#100F14;
  --bg-alt:#17161C;
  --surface:#1E1C24;
  --surface-2:#262430;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F4F1EC;
  --text-2:#A8A3B3;
  --text-3:#6E6A7A;
  --ink:#14120F;
  --r-lg:16px;
  --r-md:12px;
  --r-xl:24px;
  --r-pill:999px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-brand:0 10px 30px -12px rgba(255,106,43,.45);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#FF6A2B;
  --bs-body-bg:#100F14;
  --bs-body-color:#F4F1EC;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#FF6A2B;
  --bs-link-hover-color:#E4551A;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
a{
  color:var(--brand);
  text-decoration:none;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
a:hover{color:var(--brand-hover)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--mint);
  outline-offset:2px;
  border-radius:6px;
}
.num{font-family:"Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.01em}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 品牌行 ---------- */
.brandbar{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(16,15,20,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brandbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#FF9A5B);
  color:var(--ink);
  font-weight:800;
  font-size:19px;
  box-shadow:0 8px 20px -10px rgba(255,106,43,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.02em;white-space:nowrap}

.searchbar{
  flex:1 1 auto;
  max-width:360px;
  display:flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 6px 0 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.searchbar:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,106,43,.22);
}
.searchbar input{
  flex:1 1 auto;
  min-width:0;
  background:none;
  border:0;
  outline:none;
  font-size:14px;
  color:var(--text);
}
.searchbar input::placeholder{color:var(--text-3)}
.searchbar button{
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.searchbar button:hover{background:var(--brand-soft);color:var(--brand)}

.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:0 0 auto}

.btn-primary-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--brand);
  color:var(--ink);
  font-weight:700;
  font-size:15px;
  white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary-x:hover{background:var(--brand-hover);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-brand)}
.btn-primary-x:active{transform:scale(.98)}

.btn-ghost-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  color:var(--text);
  font-weight:600;
  font-size:15px;
  white-space:nowrap;
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.btn-ghost-x:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);background:rgba(255,106,43,.06)}
.btn-ghost-x:active{transform:scale(.98)}

.btn-dark-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--r-pill);
  background:var(--ink);
  color:#FFF6EF;
  font-weight:700;
  font-size:15px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-dark-x:hover{color:#FFF6EF;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(0,0,0,.9)}
.btn-dark-x:active{transform:scale(.98)}

.menu-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  color:var(--text);
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 频道行 ---------- */
.channelbar{
  border-bottom:1px solid var(--line);
  background:rgba(23,22,28,.72);
}
.channelbar-inner{
  display:flex;
  align-items:stretch;
  gap:6px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channelbar-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:0 16px;
  height:48px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:2px;
  background:var(--brand);
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.channel:hover{color:var(--text)}
.channel:hover::after{width:60%}
.channel.is-active{color:var(--text)}
.channel.is-active::after{width:100%}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;
  top:0;right:0;
  width:300px;
  max-width:86vw;
  height:100%;
  background:var(--bg-alt);
  border-left:1px solid var(--line);
  z-index:200;
  transform:translateX(102%);
  transition:transform .26s var(--ease);
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-size:14px;color:var(--text-3);letter-spacing:.08em}
.drawer-close{width:34px;height:34px;border:1px solid var(--line);border-radius:10px;color:var(--text-2);font-size:18px;line-height:1}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-link{
  display:block;
  padding:14px 14px;
  margin-bottom:8px;
  border-radius:var(--r-md);
  border-left:3px solid transparent;
  color:var(--text-2);
  font-weight:600;
  font-size:15px;
  background:var(--surface);
}
.drawer-link:hover{color:var(--text);border-left-color:var(--brand)}
.drawer-link.is-active{color:var(--text);border-left-color:var(--brand);background:var(--surface-2)}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(8,7,10,.7);
  z-index:190;
  opacity:0;
  visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:16px;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3)}
.crumb .now{color:var(--text-2)}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 52px;
  min-height:280px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(90deg,rgba(16,15,20,.94) 0%,rgba(16,15,20,.86) 46%,rgba(16,15,20,.7) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:120px;
  background:linear-gradient(180deg,rgba(16,15,20,0),var(--bg));
  pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:2}
.page-hero h1{
  font-size:46px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.2;
  max-width:820px;
}
.page-hero h1 .hl{
  color:var(--brand);
}
.page-hero .hero-sub{
  margin-top:16px;
  font-size:17px;
  color:var(--text-2);
  max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,106,43,.14);
  color:#FFB387;
  font-size:13px;
  font-weight:600;
}
.tag-x.mint{background:rgba(47,211,168,.14);color:#7BE7C7}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head h2{font-size:32px;letter-spacing:-.015em}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}

/* ---------- 非对称卡片组合 ---------- */
.asym{
  display:grid;
  grid-template-columns:1.02fr 1fr;
  gap:24px;
  align-items:stretch;
}
.asym-side{display:flex;flex-direction:column;gap:24px}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
  height:100%;
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45)}
.entry-card--tall{display:flex;flex-direction:column}
.entry-media{overflow:hidden;position:relative}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.entry-card:hover .entry-media img{transform:scale(1.03)}
.entry-card--tall .entry-media img{aspect-ratio:4/5}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.entry-body h3{font-size:21px;font-weight:700}
.entry-body p{font-size:14px;color:var(--text-2);line-height:1.8}
.badge-x{
  display:inline-flex;align-items:center;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,106,43,.14);
  color:#FFB387;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  width:max-content;
}
.badge-x.mint{background:rgba(47,211,168,.14);color:#7BE7C7}
.badge-x.amber{background:rgba(255,197,66,.14);color:#FFD97A}

.entry-mini{
  display:grid;
  grid-template-columns:160px 1fr;
  gap:18px;
  padding:18px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
  height:100%;
}
.entry-mini:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45)}
.entry-mini .thumb{overflow:hidden;border-radius:var(--r-md);border:1px solid var(--line)}
.entry-mini .thumb img{aspect-ratio:16/9;width:100%;object-fit:cover;transition:transform .3s var(--ease)}
.entry-mini:hover .thumb img{transform:scale(1.03)}
.entry-mini h3{font-size:18px;margin:8px 0 8px}
.entry-mini p{font-size:13.5px;color:var(--text-2);line-height:1.78}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);
  margin-top:auto;
}
.text-link::after{content:"→";transition:transform .2s var(--ease)}
.text-link:hover::after{transform:translateX(3px)}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-media::after{
  content:"";
  position:absolute;inset:0;
  border-radius:20px;
  box-shadow:inset 0 0 0 1px rgba(255,106,43,.22),inset 0 0 60px -30px rgba(255,106,43,.6);
  pointer-events:none;
}
.check-list{margin-top:28px;display:flex;flex-direction:column;gap:20px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-list .box{
  flex:0 0 26px;width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:800;
  margin-top:3px;
}
.check-list strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px}
.check-list span{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- 场景网格 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.scene-item{
  position:relative;
  padding:24px 24px 24px 28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.scene-item::before{
  content:"";
  position:absolute;
  left:0;top:22px;bottom:22px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  transition:background .22s var(--ease);
}
.scene-item:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.4)}
.scene-item:hover::before{background:var(--mint)}
.scene-item h3{font-size:18px;display:flex;align-items:center;gap:10px}
.scene-item h3 .dot{
  width:9px;height:9px;border-radius:3px;
  background:var(--mint);
  transform:rotate(45deg);
  flex:0 0 9px;
}
.scene-item p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- 步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:26px 22px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,197,66,.45)}
.step .idx{
  font-family:"Barlow Semi Condensed",ui-monospace,monospace;
  font-size:28px;
  font-weight:700;
  color:var(--amber);
  line-height:1;
  letter-spacing:.02em;
}
.step h3{font-size:17px;margin:14px 0 8px}
.step p{font-size:13.5px;color:var(--text-2);line-height:1.78}
.step::after{
  content:"";
  position:absolute;
  top:36px;right:-14px;
  width:8px;height:8px;
  border-top:1px solid var(--line-strong);
  border-right:1px solid var(--line-strong);
  transform:rotate(45deg);
}
.step:last-child::after{display:none}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 4px;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{
  flex:0 0 22px;
  width:22px;height:22px;
  position:relative;
  transition:transform .24s var(--ease);
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-q .plus::before{left:2px;right:2px;top:10px;height:2px}
.faq-q .plus::after{top:2px;bottom:2px;left:10px;width:2px}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease),opacity .3s var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{
  padding:0 4px 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}

/* ---------- 表单 ---------- */
.form-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:36px;
  max-width:900px;
  margin:0 auto;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--text-2);font-weight:600}
.field input,
.field textarea{
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px 16px;
  font-size:15px;
  color:var(--text);
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  min-height:48px;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3)}
.field input:focus,
.field textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,106,43,.25);
}
.form-note{margin-top:16px;font-size:13px;color:var(--text-3)}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-xl);
  padding:52px 48px;
  background:linear-gradient(115deg,#FF6A2B 0%,#FF8A3D 46%,#FFC542 100%);
  color:var(--ink);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:70px;bottom:-90px;
  width:200px;height:200px;
  border-radius:50%;
  background:rgba(20,18,15,.08);
}
.cta-band .cta-inner{position:relative;z-index:2;max-width:640px}
.cta-band h2{font-size:32px;color:var(--ink);letter-spacing:-.02em}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(20,18,15,.78);line-height:1.8}
.cta-actions{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}
.btn-line-dark{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid rgba(20,18,15,.35);
  color:var(--ink);
  font-weight:700;
  font-size:15px;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-line-dark:hover{background:rgba(20,18,15,.1);color:var(--ink);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:96px;
}
.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(--text-2);line-height:1.85;max-width:300px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.socials a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.footer-col h4{font-size:15px;margin-bottom:18px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul li{font-size:13.5px;color:var(--text-2);line-height:1.7}
.footer-col ul a{
  color:var(--text-2);
  font-size:13.5px;
  display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col ul a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{padding-left:0}
.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container-x{padding:0 28px}
  .page-hero h1{font-size:40px}
  .section{padding:72px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}

@media (max-width:991px){
  .searchbar{display:none}
  .menu-toggle{display:flex}
  .brand-text em{display:none}
  .channelbar{display:none}
  .asym{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .page-hero{min-height:240px;padding:44px 0 40px}
  .page-hero h1{font-size:34px}
  .section-head h2{font-size:26px}
  .cta-band{padding:40px 28px}
  .cta-band h2{font-size:26px}
}

@media (max-width:767px){
  .container-x{padding:0 20px}
  .brand-text strong{font-size:14px;white-space:normal;max-width:150px;line-height:1.25}
  .brand-actions .btn-primary-x{display:none}
  .page-hero{min-height:200px;padding:32px 0}
  .page-hero h1{font-size:30px}
  .page-hero .hero-sub{font-size:15px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:22px}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .entry-mini{grid-template-columns:1fr}
  .entry-card--tall .entry-media img{aspect-ratio:16/9}
  .form-wrap{padding:24px 20px}
  .form-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (max-width:519px){
  .page-hero h1{font-size:26px}
  .footer-bottom .links{gap:12px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand:#FF6A2B;
  --brand-hover:#E4551A;
  --brand-soft:rgba(255,106,43,.14);
  --lime:#2FD3A8;
  --amber:#FFC542;
  --danger:#FF4D6D;
  --bg:#100F14;
  --bg-alt:#17161C;
  --surface:#1E1C24;
  --surface-2:#262430;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F4F1EC;
  --text-2:#A8A3B3;
  --text-3:#6E6A7A;
  --r-card:16px;
  --r-inner:12px;
  --r-btn:12px;
  --r-hero:20px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-brand:0 10px 30px -12px rgba(255,106,43,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --mono:ui-monospace,"Barlow Semi Condensed","DIN Alternate","SFMono-Regular",Menlo,monospace;
  --bs-primary:#FF6A2B;
  --bs-body-bg:#100F14;
  --bs-body-color:#F4F1EC;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#FF6A2B;
  --bs-link-hover-color:#E4551A;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
a:hover{color:var(--brand-hover)}
button,input,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.02em;font-weight:800;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:991px){.container-x{padding:0 24px}}
@media (max-width:575px){.container-x{padding:0 18px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(16,15,20,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{background:rgba(16,15,20,.96);box-shadow:0 14px 34px -28px rgba(0,0,0,.95)}
.brandbar-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(135deg,var(--brand),var(--amber));
  color:#14120F;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px -12px rgba(255,106,43,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--text-3);white-space:nowrap}

.search-pill{
  flex:1 1 auto;max-width:340px;margin-left:auto;
  display:flex;align-items:center;gap:6px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:4px 6px 4px 16px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search-pill:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.search-pill input{
  flex:1 1 auto;min-width:0;height:34px;border:0;outline:none;background:transparent;
  color:var(--text);font-size:14px;
}
.search-pill input::placeholder{color:var(--text-3)}
.search-pill button{
  flex:0 0 32px;width:32px;height:32px;border:0;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.search-pill button:hover{background:rgba(255,106,43,.24);color:var(--brand-hover)}

.brand-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;flex-direction:column;gap:4px;
  align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}

.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:0;cursor:pointer;
  background:var(--brand);color:#14120F;font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-brand:hover{background:var(--brand-hover);color:#14120F;transform:translateY(-2px);box-shadow:var(--shadow-brand)}
.btn-brand:active{transform:scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);cursor:pointer;
  background:transparent;border:1px solid var(--line-strong);color:var(--text);
  font-size:15px;font-weight:600;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.btn-ghost:hover{border-color:rgba(255,106,43,.55);color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-lg-x{padding:15px 28px;font-size:16px}

.channelbar{border-top:1px solid var(--line);background:rgba(23,22,28,.6)}
.channelbar-inner{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:48px;
  padding:0 16px;font-size:15px;font-weight:600;color:var(--text-2);white-space:nowrap;
}
.channel::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--brand);transition:left var(--dur) var(--ease),right var(--dur) var(--ease);
}
.channel:hover{color:var(--text)}
.channel:hover::after{left:16px;right:16px}
.channel.is-active{color:var(--text);background:rgba(255,255,255,.03)}
.channel.is-active::after{left:16px;right:16px}

.mobile-drawer{background:var(--bg-alt);border-top:1px solid var(--line)}
.mobile-drawer .drawer-inner{display:flex;flex-direction:column;padding:6px 18px 16px}
.drawer-link{
  padding:14px 12px;border-left:3px solid transparent;border-bottom:1px solid var(--line);
  color:var(--text-2);font-size:15px;font-weight:600;
}
.drawer-link:last-child{border-bottom:0}
.drawer-link:hover{color:var(--text);background:rgba(255,255,255,.03)}
.drawer-link.is-active{color:var(--text);border-left-color:var(--brand);background:rgba(255,255,255,.03)}

@media (max-width:991px){
  .channelbar{display:none}
  .hamburger{display:flex}
  .brand-text em{display:none}
}
@media (max-width:767px){
  .search-pill{display:none}
  .brandbar-inner{height:60px;gap:12px}
}
@media (max-width:575px){
  .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:16px}
  .brand-text strong{font-size:14px}
  .btn-brand{padding:11px 16px;font-size:14px}
}
@media (min-width:992px){
  .mobile-drawer{display:none!important}
}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  display:flex;align-items:center;min-height:280px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(16,15,20,.78) 0%,rgba(16,15,20,.92) 62%,var(--bg) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;
}
.cat-hero .container-x{position:relative;z-index:2;padding-top:34px;padding-bottom:34px}
.breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb-x a{color:var(--text-2)}
.breadcrumb-x a:hover{color:var(--brand)}
.breadcrumb-x .sep{color:var(--text-3)}
.breadcrumb-x .current{color:var(--text)}
.cat-hero h1{font-size:46px;font-weight:800;letter-spacing:-.02em;max-width:820px}
.cat-hero-lead{margin-top:14px;font-size:16px;color:var(--text-2);max-width:640px}

/* ---------- sections ---------- */
.sec{padding:96px 0}
.sec-alt{background:var(--bg-alt)}
@media (max-width:991px){.sec{padding:64px 0}}
@media (max-width:575px){
  .sec{padding:48px 0}
  .cat-hero{min-height:210px}
  .cat-hero h1{font-size:30px}
  .cat-hero-lead{font-size:15px}
}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--brand);margin-bottom:12px}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:34px;margin-bottom:14px}
.sec-head p{color:var(--text-2);font-size:16px}
@media (max-width:575px){.sec-head h2{font-size:23px}}

/* ---------- overview / tag cloud ---------- */
.overview-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--text-2);font-size:14px;font-weight:600;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease);
  cursor:default;
}
.tag::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);transform:rotate(45deg)}
.tag:hover{border-color:rgba(255,106,43,.45);color:var(--text);background:var(--brand-soft);transform:translateY(-2px)}

/* ---------- zigzag ---------- */
.zig-section{border-top:1px solid var(--line)}
.zig-row{padding:72px 0;border-bottom:1px solid var(--line)}
.zig-row:nth-child(even){background:var(--bg-alt)}
.zig-media{
  position:relative;aspect-ratio:16/9;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.zig-row:hover .zig-media img{transform:scale(1.03)}
.zig-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(255,106,43,.10),transparent 46%);
  pointer-events:none;
}
.zig-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.zig-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.zig-text h2{font-size:32px;margin-bottom:14px}
.zig-text p{color:var(--text-2);font-size:16px;line-height:1.85;margin-bottom:22px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--brand)}
.link-more svg{transition:transform var(--dur) var(--ease)}
.link-more:hover{color:var(--brand-hover);gap:11px}
.link-more:hover svg{transform:translateX(3px)}
@media (max-width:991px){
  .zig-row{padding:56px 0}
  .zig-text h2{font-size:24px}
}
@media (max-width:575px){
  .zig-row{padding:42px 0}
  .zig-text h2{font-size:21px}
}

/* ---------- stats band ---------- */
.stats-band{
  padding:88px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(16,15,20,.90),rgba(16,15,20,.95)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.stats-band h2{font-size:32px}
.stats-band .lead{color:var(--text-2);margin-top:12px;max-width:620px}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:40px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45)}
.stat-num{display:block;font-family:var(--mono);font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.stat-num.amber{color:var(--amber)}
.stat-num.lime{color:var(--lime)}
.stat-label{display:block;margin-top:10px;font-size:13px;color:var(--text-3);line-height:1.6}
@media (max-width:1199px){.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575px){
  .stats-band{padding:52px 0}
  .stats-grid{grid-template-columns:1fr;gap:16px}
  .stats-band h2{font-size:23px}
}

/* ---------- FAQ ---------- */
.faq-list{margin-top:34px;border-top:1px solid var(--line)}
.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 4px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text);font-size:16px;font-weight:700;
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{position:relative;flex:0 0 16px;width:16px;height:16px;transition:transform var(--dur) var(--ease);color:var(--brand)}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-q .plus::before{left:0;top:7px;width:16px;height:2px}
.faq-q .plus::after{top:0;left:7px;width:2px;height:16px}
.faq-q[aria-expanded="true"]{color:var(--brand)}
.faq-q[aria-expanded="true"] .plus{transform:rotate(45deg)}
.faq-a{padding:0 4px 22px 24px;color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- form ---------- */
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--shadow-card);
}
.form-head{margin-bottom:28px}
.form-head h2{font-size:30px;margin-bottom:12px}
.form-head p{color:var(--text-2);font-size:15px}
.field-label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field{
  width:100%;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-inner);
  padding:14px 16px;color:var(--text);font-size:15px;outline:none;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field::placeholder{color:var(--text-3)}
.field:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.25)}
.field.is-invalid{border-color:var(--danger)}
.field.is-invalid:focus{box-shadow:0 0 0 3px rgba(255,77,109,.22)}
textarea.field{resize:vertical;min-height:120px}
.field-err{display:none;margin:8px 0 0;font-size:13px;color:var(--danger)}
.field-err.show{display:block}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:26px}
.form-tip{margin:0;font-size:13px;color:var(--text-3)}
.form-tip.ok{color:var(--lime)}
@media (max-width:991px){
  .form-card{padding:28px 22px}
  .form-head h2{font-size:23px}
}
@media (max-width:575px){
  .field{padding:13px 14px;font-size:15px;min-height:46px}
  .form-foot .btn-brand{width:100%}
}

/* ---------- CTA ---------- */
.cta-sec{padding-bottom:96px}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:48px;border-radius:24px;
  background:linear-gradient(118deg,var(--brand) 0%,#FF8A3D 46%,var(--amber) 100%);
  box-shadow:0 30px 70px -38px rgba(255,106,43,.75);
}
.cta-band h2{color:#14120F;font-size:32px;margin-bottom:12px}
.cta-copy p{color:rgba(20,18,15,.78);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-brand{background:#14120F;color:#F4F1EC}
.cta-band .btn-brand:hover{background:#262430;color:#FFFFFF}
.cta-band .btn-ghost{border-color:rgba(20,18,15,.35);color:#14120F}
.cta-band .btn-ghost:hover{border-color:#14120F;background:rgba(20,18,15,.10);color:#14120F}
@media (max-width:991px){
  .cta-band{padding:32px;border-radius:20px}
  .cta-band h2{font-size:23px}
  .cta-sec{padding-bottom:64px}
}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:330px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.socials a:hover{border-color:rgba(255,106,43,.55);color:var(--brand);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{display:inline-block;color:var(--text-2);font-size:14px}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0}
.footer-bottom ul{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:var(--text-3);font-size:13px}
.footer-bottom a:hover{color:var(--brand)}
@media (max-width:991px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand:#FF6A2B;
  --brand-hover:#E4551A;
  --brand-soft:rgba(255,106,43,.14);
  --lime:#2FD3A8;
  --amber:#FFC542;
  --danger:#FF4D6D;
  --bg:#100F14;
  --bg-alt:#17161C;
  --card:#1E1C24;
  --card-2:#262430;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F4F1EC;
  --text-2:#A8A3B3;
  --text-3:#6E6A7A;
  --on-brand:#14120F;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-brand:0 10px 30px -12px rgba(255,106,43,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,sans-serif;
  --font-num:"Barlow Semi Condensed",DIN,ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --bs-primary:#FF6A2B;
  --bs-primary-rgb:255,106,43;
  --bs-body-bg:#100F14;
  --bs-body-color:#F4F1EC;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-link-color:#FF6A2B;
  --bs-link-hover-color:#E4551A;
  --bs-font-sans-serif:var(--font-cn);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),transform .2s var(--ease);}
a:hover{color:var(--brand-hover);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(16,15,20,.72);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(16,15,20,.92);
  backdrop-filter:blur(10px);
  border-bottom-color:var(--line-strong);
}
.brandrow-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--text);
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),#FF9A5C);
  color:var(--on-brand);
  font-weight:800;
  font-size:19px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  box-shadow:0 8px 20px -10px rgba(255,106,43,.8);
}
.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:12px;
  color:var(--text-3);
  letter-spacing:.04em;
  margin-top:2px;
}
.search-x{
  flex:1;
  max-width:360px;
  margin:0 auto;
  display:flex;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-x:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.16);}
.search-x input{
  flex:1;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:14px;
  padding:10px 8px 10px 18px;
  outline:none;
  min-width:0;
}
.search-x input::placeholder{color:var(--text-3);}
.search-x button{
  border:0;
  background:transparent;
  color:var(--text-2);
  padding:10px 16px;
  cursor:pointer;
  transition:color .2s var(--ease);
}
.search-x button:hover{color:var(--brand);}
.brandrow-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}

.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--brand);
  color:var(--on-brand);
  font-weight:700;
  font-size:15px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--r-sm);
  cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-x:hover{background:var(--brand-hover);color:var(--on-brand);transform:translateY(-2px);box-shadow:var(--shadow-brand);}
.btn-x:active{transform:translateY(0) scale(.98);}
.btn-x.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:transparent;
  color:var(--text);
  font-weight:600;
  font-size:15px;
  padding:12px 22px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  background:var(--card);
  cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:50%;
  width:18px;
  height:2px;
  background:var(--text);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{top:-6px;left:0;transform:none;}
.nav-toggle span::after{top:6px;left:0;transform:none;}
.nav-open .nav-toggle span{background:transparent;}
.nav-open .nav-toggle span::before{transform:rotate(45deg) translate(4px,4px);}
.nav-open .nav-toggle span::after{transform:rotate(-45deg) translate(4px,-4px);}

.channelbar{border-top:1px solid var(--line);}
.channelbar-inner{
  display:flex;
  align-items:stretch;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  padding:0 16px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.channel::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:2px;
  background:var(--brand);
  transform:translateX(-50%);
  transition:width .24s var(--ease);
}
.channel:hover{color:var(--text);}
.channel:hover::after{width:70%;}
.channel.is-active{color:var(--text);}
.channel.is-active::after{width:calc(100% - 32px);}
.channel.is-active{background:linear-gradient(180deg,transparent,rgba(255,106,43,.10));}

/* ---------- 面包屑 + 分类 Hero ---------- */
.crumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);}
.crumb .now{color:var(--text);}

.hero-cat{
  position:relative;
  margin-top:16px;
  border-radius:var(--r-lg);
  overflow:hidden;
  min-height:280px;
  display:flex;
  align-items:center;
  background-image:
    linear-gradient(105deg,rgba(16,15,20,.94) 0%,rgba(16,15,20,.72) 52%,rgba(16,15,20,.88) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border:1px solid var(--line);
}
.hero-cat::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.6;
  pointer-events:none;
}
.hero-cat-inner{
  position:relative;
  z-index:2;
  padding:44px 48px;
  max-width:820px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--lime);
  background:rgba(47,211,168,.12);
  border:1px solid rgba(47,211,168,.28);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:18px;
}
.hero-cat h1{
  font-size:46px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.hero-cat .hero-lead{
  font-size:16px;
  color:var(--text-2);
  margin:0;
  max-width:600px;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:14px;
}
.section-head h2 .bar{
  display:inline-block;
  width:4px;height:26px;
  background:var(--brand);
  border-radius:2px;
  vertical-align:-3px;
  margin-right:14px;
}
.section-head p{color:var(--text-2);margin:0;font-size:15px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:12px;}
.timeline::before{
  content:"";
  position:absolute;
  left:27px;
  top:20px;
  bottom:36px;
  width:1px;
  background:linear-gradient(180deg,rgba(255,106,43,.55),rgba(255,197,66,.35),rgba(255,255,255,.06));
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:56px minmax(0,1fr) 260px;
  gap:28px;
  padding-bottom:44px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  width:56px;height:56px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
  font-size:19px;
  font-weight:700;
  color:var(--on-brand);
  background:linear-gradient(135deg,var(--brand),#FF9A5C);
  box-shadow:0 0 0 6px var(--bg),0 10px 24px -14px rgba(255,106,43,.9);
  position:relative;
  z-index:2;
}
.section.alt .tl-num{box-shadow:0 0 0 6px var(--bg-alt),0 10px 24px -14px rgba(255,106,43,.9);}
.tl-item.is-current .tl-num{
  background:linear-gradient(135deg,var(--amber),#FFD97A);
  box-shadow:0 0 0 6px var(--bg),0 10px 24px -14px rgba(255,197,66,.9);
}
.section.alt .tl-item.is-current .tl-num{box-shadow:0 0 0 6px var(--bg-alt),0 10px 24px -14px rgba(255,197,66,.9);}
.tl-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 26px;
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.tl-body:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45);}
.tl-body h3{font-size:21px;font-weight:600;margin-bottom:10px;line-height:1.45;}
.tl-body p{color:var(--text-2);font-size:15px;line-height:1.8;margin-bottom:14px;}
.tl-body p:last-child{margin-bottom:0;}
.tl-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:4px 12px;
}
.tl-tag.is-lime{color:var(--lime);background:rgba(47,211,168,.13);}
.tl-tag.is-amber{color:var(--amber);background:rgba(255,197,66,.14);}
.tl-fig{
  margin:0;
  align-self:center;
}
.tl-fig img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.tl-fig img:hover{transform:scale(1.03);border-color:rgba(255,106,43,.45);}

/* ---------- 数据带 ---------- */
.band{
  background:
    radial-gradient(900px 320px at 12% 0%,rgba(255,106,43,.16),transparent 70%),
    radial-gradient(760px 300px at 88% 110%,rgba(47,211,168,.12),transparent 70%),
    var(--card);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:70px 0;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.stat-card{
  background:var(--card-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45);}
.stat-num{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.01em;
  color:var(--amber);
}
.stat-card.is-lime .stat-num{color:var(--lime);}
.stat-label{font-size:13px;color:var(--text-2);margin-top:8px;}
.stat-card p{font-size:14px;color:var(--text-3);margin:12px 0 0;line-height:1.7;}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:0 0 0 1px rgba(255,106,43,.10),0 24px 48px -30px rgba(0,0,0,.95);
}
.split-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.split-body h2{font-size:32px;line-height:1.3;margin-bottom:16px;}
.split-body > p{color:var(--text-2);font-size:15px;line-height:1.85;}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:18px;}
.point-item{display:flex;gap:14px;align-items:flex-start;}
.point-mark{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--brand-soft);
  border:1px solid rgba(255,106,43,.32);
  color:var(--brand);
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.point-item h4{font-size:16px;font-weight:600;margin-bottom:4px;}
.point-item p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);margin-top:12px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  padding:22px 4px;
  cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;
  flex-shrink:0;
  width:22px;height:22px;
  transition:transform .28s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-icon::before{left:4px;top:10px;width:14px;height:2px;}
.faq-icon::after{left:10px;top:4px;width:2px;height:14px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .32s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  margin:0 0 22px 16px;
  padding-left:14px;
  border-left:2px solid rgba(47,211,168,.5);
}

/* ---------- CTA 带 + 表单 ---------- */
.cta-wrap{padding:0 0 96px;}
.cta-band{
  border-radius:var(--r-xl);
  background:linear-gradient(120deg,#FF6A2B 0%,#FF8E3D 45%,#FFC542 100%);
  color:var(--on-brand);
  padding:52px 56px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:start;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 60px -40px rgba(255,106,43,.9);
}
.cta-copy h2{color:var(--on-brand);font-size:32px;line-height:1.3;margin-bottom:12px;}
.cta-copy p{color:rgba(20,18,15,.78);font-size:15px;margin-bottom:26px;max-width:440px;}
.cta-copy .btn-x{
  background:var(--bg);
  color:var(--text);
}
.cta-copy .btn-x:hover{background:#0B0A0E;color:#fff;box-shadow:0 10px 30px -12px rgba(0,0,0,.6);}
.cta-copy .btn-ghost{border-color:rgba(20,18,15,.35);color:var(--on-brand);}
.cta-copy .btn-ghost:hover{border-color:var(--on-brand);color:var(--on-brand);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

.lead-form{background:rgba(16,15,20,.9);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:28px;}
.lf-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.lf-field{display:flex;flex-direction:column;margin-bottom:16px;}
.lf-field label{font-size:13px;color:var(--text-2);margin-bottom:8px;}
.lf-field input,
.lf-field textarea{
  background:var(--card);
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  color:var(--text);
  font-size:14px;
  padding:14px 16px;
  outline:none;
  width:100%;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.lf-field textarea{resize:vertical;min-height:110px;line-height:1.7;}
.lf-field input::placeholder,
.lf-field textarea::placeholder{color:var(--text-3);}
.lf-field input:focus,
.lf-field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.22);}
.lf-field.is-invalid input,
.lf-field.is-invalid textarea{border-color:var(--danger);}
.lf-error{display:none;font-size:13px;color:var(--danger);margin-top:8px;}
.lf-field.is-invalid .lf-error{display:block;}
.lf-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px;}
.lf-hint{font-size:13px;color:var(--text-3);}
.lf-success{
  display:none;
  font-size:14px;
  color:var(--lime);
  background:rgba(47,211,168,.12);
  border:1px solid rgba(47,211,168,.3);
  border-radius:var(--r-sm);
  padding:10px 14px;
  margin-top:14px;
}
.lf-success.is-on{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:320px;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.socials a:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact li{font-size:14px;color:var(--text-2);line-height:1.7;}
.footer-contact .val{color:var(--text);font-family:var(--font-num);}
.footer-bottom{
  padding-top:26px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);margin:0;}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:var(--text-3);}
.footer-links a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-cat h1{font-size:40px;}
  .tl-item{grid-template-columns:56px minmax(0,1fr) 220px;gap:22px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991px){
  .container-x{padding:0 24px;}
  .section{padding:64px 0;}
  .cta-wrap{padding-bottom:64px;}
  .brand-text em{display:none;}
  .search-x{display:none;}
  .nav-toggle{display:block;}
  .channelbar{
    display:none;
    position:absolute;
    left:0;right:0;top:100%;
    background:rgba(16,15,20,.98);
    backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line-strong);
  }
  .nav-open .channelbar{display:block;}
  .channelbar-inner{
    flex-direction:column;
    gap:0;
    padding:10px 0 16px;
    overflow:visible;
  }
  .channel{
    height:auto;
    padding:14px 24px;
    border-radius:0;
    justify-content:flex-start;
  }
  .channel::after{display:none;}
  .channel.is-active{
    background:transparent;
    border-left:3px solid var(--brand);
    color:var(--brand);
  }
  .hero-cat{min-height:240px;}
  .hero-cat-inner{padding:34px 28px;}
  .hero-cat h1{font-size:32px;}
  .section-head h2{font-size:26px;}
  .split{grid-template-columns:minmax(0,1fr);gap:32px;}
  .split-body h2{font-size:26px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:38px 30px;gap:30px;}
  .cta-copy h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .container-x{padding:0 18px;}
  .section{padding:48px 0;}
  .cta-wrap{padding-bottom:48px;}
  .brand-text strong{font-size:14px;}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px;}
  .brandrow-actions .btn-x.btn-sm{display:none;}
  .hero-cat{min-height:200px;border-radius:16px;}
  .hero-cat-inner{padding:26px 20px;}
  .hero-cat h1{font-size:26px;letter-spacing:-.01em;}
  .hero-cat .hero-lead{font-size:14px;}
  .eyebrow{font-size:12px;padding:4px 12px;margin-bottom:12px;}
  .timeline::before{left:22px;}
  .tl-item{grid-template-columns:44px minmax(0,1fr);gap:16px;padding-bottom:32px;}
  .tl-num{width:44px;height:44px;font-size:16px;box-shadow:0 0 0 5px var(--bg);}
  .section.alt .tl-num{box-shadow:0 0 0 5px var(--bg-alt);}
  .tl-body{padding:20px 18px;}
  .tl-body h3{font-size:18px;}
  .tl-fig{grid-column:2;margin-top:-6px;}
  .stat-grid{grid-template-columns:minmax(0,1fr);}
  .stat-num{font-size:28px;}
  .band{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .section-head h2 .bar{height:20px;vertical-align:-2px;margin-right:10px;}
  .split-body h2{font-size:22px;}
  .faq-q{font-size:15px;padding:18px 2px;}
  .cta-band{padding:28px 20px;border-radius:20px;}
  .cta-copy h2{font-size:22px;}
  .cta-actions .btn-x,
  .cta-actions .btn-ghost{width:100%;}
  .lead-form{padding:20px 18px;}
  .lf-row{grid-template-columns:minmax(0,1fr);gap:0;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --brand:#FF6A2B;
  --brand-hover:#E4551A;
  --brand-soft:rgba(255,106,43,.14);
  --lime:#2FD3A8;
  --amber:#FFC542;
  --danger:#FF4D6D;
  --bg:#100F14;
  --bg-alt:#17161C;
  --surface:#1E1C24;
  --surface-2:#262430;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F4F1EC;
  --muted:#A8A3B3;
  --dim:#6E6A7A;
  --ink:#14120F;
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:20px;
  --radius-xl:24px;
  --radius-pill:999px;
  --shadow-card:0 12px 32px -18px rgba(0,0,0,.9);
  --shadow-brand:0 10px 30px -12px rgba(255,106,43,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"Barlow Semi Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --bs-primary:#FF6A2B;
  --bs-body-bg:#100F14;
  --bs-body-color:#F4F1EC;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-body-font-family:var(--font-cn);
  --bs-link-color:#FF6A2B;
  --bs-link-hover-color:#E4551A;
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease)}
a:hover{color:var(--brand-hover)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:991.98px){.container-x{padding:0 24px}}
@media (max-width:575.98px){.container-x{padding:0 18px}}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:46px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-x:active{transform:scale(.98)}
.btn-brand{background:var(--brand);color:var(--ink);box-shadow:0 8px 24px -14px rgba(255,106,43,.6)}
.btn-brand:hover{background:var(--brand-hover);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-brand)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}
.btn-ghost:hover{color:var(--brand);border-color:rgba(255,106,43,.45);background:var(--brand-soft);transform:translateY(-2px)}
.btn-pill{border-radius:var(--radius-pill)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(16,15,20,.62);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(0);
  transition:background-color .24s var(--ease),backdrop-filter .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(16,15,20,.92);
  backdrop-filter:blur(10px);
  box-shadow:0 14px 34px -26px rgba(0,0,0,1);
}
.topbar-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,#FF6A2B,#FFC542);
  color:var(--ink);font-weight:800;font-size:19px;
  display:grid;place-items:center;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--dim);letter-spacing:.05em}
.site-search{
  flex:1;max-width:380px;margin:0 auto;
  display:flex;align-items:center;gap:6px;
  height:40px;padding:0 6px 0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-search:focus-within{border-color:rgba(255,106,43,.5);box-shadow:0 0 0 3px rgba(255,106,43,.16)}
.site-search input{flex:1;min-width:0;background:none;border:0;color:var(--text);font-size:14px;outline:none}
.site-search input::placeholder{color:var(--dim)}
.site-search button{
  width:30px;height:30px;flex-shrink:0;border:0;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.site-search button:hover{background:var(--brand);color:var(--ink)}
.top-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface);color:var(--text);cursor:pointer;place-items:center;
}
.nav-toggle:hover{border-color:rgba(255,106,43,.45);color:var(--brand)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.channelbar{border-top:1px solid var(--line);background:rgba(23,22,28,.55)}
.channelbar-inner{display:flex;align-items:center;gap:2px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;flex-shrink:0;
}
.channel::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;background:var(--brand);
  transition:left .22s var(--ease),right .22s var(--ease);
}
.channel:hover{color:var(--text)}
.channel:hover::after{left:16px;right:16px}
.channel.is-active{color:var(--text);background:rgba(255,255,255,.04)}
.channel.is-active::after{left:16px;right:16px}

.nav-drawer{
  position:fixed;top:68px;right:0;bottom:0;width:min(320px,86vw);z-index:95;
  background:var(--bg-alt);border-left:1px solid var(--line);
  padding:16px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s var(--ease);
}
.nav-drawer.is-open{transform:translateX(0)}
.dr-title{font-size:12px;letter-spacing:.14em;color:var(--dim);padding:8px 16px 12px;text-transform:uppercase}
.dr-link{
  display:block;padding:14px 16px;border-left:3px solid transparent;border-radius:var(--radius-sm);
  color:var(--muted);font-size:15px;font-weight:600;margin-bottom:4px;
}
.dr-link:hover{background:var(--surface);color:var(--text)}
.dr-link.is-active{border-left-color:var(--brand);background:var(--surface);color:var(--text)}
.drawer-mask{
  position:fixed;inset:68px 0 0 0;background:rgba(9,8,12,.6);z-index:90;opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

@media (max-width:991.98px){
  .site-search{display:none}
  .channelbar{display:none}
  .nav-toggle{display:grid}
  .topbar-inner{height:56px}
  .nav-drawer{top:56px}
  .drawer-mask{inset:56px 0 0 0}
  .brand-text em{display:none}
}

/* ============ 面包屑 ============ */
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--dim)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--dim)}
.crumbs .current{color:var(--text)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  min-height:284px;
  display:flex;align-items:center;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(90deg,rgba(16,15,20,.94) 0%,rgba(16,15,20,.78) 46%,rgba(16,15,20,.5) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover,cover;
  background-position:center,center;
  background-repeat:no-repeat,no-repeat;
}
.cat-hero-inner{padding:52px 0 46px;position:relative;z-index:1}
.cat-hero h1{
  font-size:46px;font-weight:800;letter-spacing:-.02em;line-height:1.2;
  margin:16px 0 14px;max-width:860px;
}
.cat-hero .lead{font-size:16px;color:var(--muted);max-width:620px}
@media (max-width:991.98px){
  .cat-hero{min-height:230px}
  .cat-hero-inner{padding:38px 0 34px}
  .cat-hero h1{font-size:34px}
}
@media (max-width:575.98px){
  .cat-hero{min-height:200px}
  .cat-hero h1{font-size:30px;margin:12px 0 10px}
  .cat-hero .lead{font-size:14px}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:991.98px){.section{padding:64px 0}}
@media (max-width:575.98px){.section{padding:48px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:32px;font-weight:700}
.sec-head p{color:var(--muted);font-size:14px;margin-top:8px;max-width:660px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--brand);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}

/* ============ 标签云 ============ */
.tag-strip{padding:32px 0;border-bottom:1px solid var(--line);background:var(--bg-alt)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-cloud .cloud-label{font-size:13px;color:var(--dim);margin-right:6px;letter-spacing:.06em}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--line);
  color:var(--muted);font-size:13px;font-weight:600;
  transition:transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.tag-pill:hover{color:var(--brand);border-color:rgba(255,106,43,.45);background:var(--brand-soft);transform:translateY(-2px)}

/* ============ 分组卡片墙 ============ */
.group-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.group-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.group-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.45)}
.group-card h3{font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px}
.group-card h3 .gdot{width:10px;height:10px;border-radius:3px;background:var(--brand);flex-shrink:0;transform:rotate(45deg)}
.group-note{font-size:13px;color:var(--dim);margin:8px 0 6px}
.entry{display:flex;align-items:center;gap:12px;padding:15px 0;border-top:1px solid var(--line);color:var(--text)}
.entry:first-of-type{border-top:0}
.entry-title{flex:1;font-size:15px;font-weight:600;line-height:1.5;min-width:0}
.entry time{font-size:12px;color:var(--dim);font-family:var(--font-num);letter-spacing:.02em;flex-shrink:0}
.entry .arrow{color:var(--dim);flex-shrink:0;transition:transform .2s var(--ease),color .2s var(--ease)}
.entry:hover{color:var(--brand)}
.entry:hover .arrow{color:var(--brand);transform:translateX(3px)}
@media (max-width:767.98px){
  .group-wall{grid-template-columns:1fr;gap:18px}
  .group-card{padding:20px}
}

/* ============ 图文区块 ============ */
.risk-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.risk-copy h2{font-size:32px;margin-bottom:16px}
.risk-copy > p{color:var(--muted);font-size:15px;margin-bottom:22px}
.check-list{display:grid;gap:12px;margin-bottom:28px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.check-list li::before{
  content:"";width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--lime);flex-shrink:0;
}
.check-list li span{color:var(--muted)}
.risk-media{margin:0;position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line)}
.risk-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.risk-media:hover img{transform:scale(1.03)}
.risk-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:var(--muted);background:linear-gradient(to top,rgba(16,15,20,.92),rgba(16,15,20,0))}
@media (max-width:991.98px){
  .risk-grid{grid-template-columns:1fr;gap:32px}
  .risk-copy h2{font-size:26px}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 0;font-size:16px;font-weight:700;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:22px;font-weight:500;color:var(--brand);
  line-height:1;transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 0 22px 16px;animation:fadeUp .28s var(--ease)}
.faq-body p{font-size:15px;line-height:1.8;color:var(--muted)}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ============ CTA + 表单 ============ */
.cta-band{
  border-radius:var(--radius-xl);padding:52px 48px;
  background:linear-gradient(115deg,#FF6A2B 0%,#FF8A3D 42%,#FFC542 100%);
  color:var(--ink);
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;
  box-shadow:0 24px 60px -34px rgba(255,106,43,.75);
}
.cta-band h2{font-size:30px;color:var(--ink);margin-bottom:12px}
.cta-band p{color:rgba(20,18,15,.78);font-size:15px;max-width:460px;margin-bottom:22px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-dark{background:#14120F;color:var(--text);border-color:#14120F}
.cta-band .btn-dark:hover{background:#241F1A;color:#fff;transform:translateY(-2px)}
.cta-band .btn-line{background:transparent;color:var(--ink);border-color:rgba(20,18,15,.45)}
.cta-band .btn-line:hover{background:rgba(20,18,15,.1);color:var(--ink);border-color:#14120F;transform:translateY(-2px)}

.form-card{background:#14120F;border:1px solid rgba(20,18,15,.5);border-radius:var(--radius);padding:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:rgba(244,241,236,.7)}
.field input,.field textarea{
  width:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  color:var(--text);font-size:14px;padding:14px;font-family:inherit;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;grid-column:1 / -1}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.25)}
.field-full{grid-column:1 / -1}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;flex-wrap:wrap}
.form-foot small{font-size:12px;color:var(--dim)}
@media (max-width:991.98px){
  .cta-band{grid-template-columns:1fr;padding:36px 26px;gap:28px}
  .cta-band h2{font-size:24px}
}
@media (max-width:575.98px){
  .form-grid{grid-template-columns:1fr}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:300px;margin-bottom:18px}
.socials{display:flex;gap:10px}
.socials a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.socials a:hover{color:var(--brand);border-color:rgba(255,106,43,.45);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:var(--muted);display:inline-block}
.footer-col a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{font-size:14px;color:var(--muted);line-height:1.7}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}
.footer-bottom a{color:var(--dim)}
.footer-bottom a:hover{color:var(--brand)}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{padding-top:48px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}