/* roulang page: index */
:root{
  --c-void:#04070E;
  --c-deep:#08111E;
  --c-surface:rgba(255,255,255,.045);
  --c-surface-2:rgba(255,255,255,.075);
  --c-line:rgba(122,196,255,.14);
  --c-brand:#2FE3C4;
  --c-brand-2:#4C9BFF;
  --c-accent:#FF7A2F;
  --c-light-bg:#F2F6FA;
  --c-light-text:#0C1626;
  --t1:rgba(255,255,255,.96);
  --t2:rgba(206,222,240,.72);
  --t3:rgba(158,180,205,.5);
  --grad:linear-gradient(100deg,#2FE3C4,#4C9BFF);
  --r-lg:20px;--r-md:16px;--r-sm:12px;--r-pill:999px;
  --sh-card:0 18px 40px -20px rgba(0,0,0,.75);
  --sh-card-h:0 26px 56px -22px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(47,227,196,.40),0 10px 30px -8px rgba(47,227,196,.45);
  --bs-primary:#2FE3C4;
  --bs-body-bg:#04070E;
  --bs-body-color:rgba(206,222,240,.72);
  --bs-link-color:#2FE3C4;
  --bs-link-hover-color:#4C9BFF;
  --bs-border-color:rgba(122,196,255,.14);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-void);
  color:var(--t2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-top:112px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 20px}
@media (max-width:575.98px){.wrap{padding:0 16px}}
.num{font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;transition:background .3s ease,box-shadow .3s ease}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(122,196,255,.35),transparent);opacity:.4;transition:opacity .3s ease}
.site-header.is-scrolled::after{opacity:.85}
.brandbar{background:rgba(4,7,14,.62);backdrop-filter:blur(10px) saturate(140%);-webkit-backdrop-filter:blur(10px) saturate(140%)}
.site-header.is-scrolled .brandbar{background:rgba(4,7,14,.82);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%)}
.brandbar-inner{position:relative;display:flex;align-items:center;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--grad);position:relative;flex:0 0 auto;box-shadow:0 6px 18px -8px rgba(47,227,196,.9)}
.logo-mark::after{content:"";position:absolute;left:7px;right:7px;top:19px;height:3px;border-radius:3px;background:rgba(4,7,14,.85)}
.logo-mark::before{content:"";position:absolute;left:7px;right:7px;top:11px;height:3px;border-radius:3px;background:rgba(4,7,14,.5)}
.logo-text{font-size:19px;font-weight:800;color:var(--t1);letter-spacing:.01em}
.nav-search{flex:1 1 auto;max-width:440px;margin:0 auto;height:40px;display:flex;align-items:center;gap:10px;padding:0 16px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid var(--c-line);backdrop-filter:blur(10px);transition:border-color .25s ease,box-shadow .25s ease}
.nav-search:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(47,227,196,.15)}
.nav-search i{color:var(--t3);font-size:14px}
.nav-search input{flex:1;background:none;border:0;outline:none;color:var(--t1);font-size:14px;min-width:0}
.nav-search input::placeholder{color:var(--t3)}
.brandbar-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.search-toggle{display:none;width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:rgba(255,255,255,.05);color:var(--t1);align-items:center;justify-content:center;cursor:pointer;transition:.25s}
.search-toggle:hover{background:rgba(47,227,196,.12);border-color:var(--c-brand)}
.btn-glow{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 22px;border-radius:var(--r-pill);border:0;background:var(--grad);color:#03130F;font-size:15px;font-weight:700;letter-spacing:.01em;box-shadow:var(--glow);cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;white-space:nowrap}
.btn-glow:hover{filter:brightness(1.08);transform:translateY(-2px);color:#03130F;box-shadow:0 0 0 1px rgba(47,227,196,.55),0 16px 38px -10px rgba(47,227,196,.6)}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:rgba(255,255,255,.05);color:var(--t1);font-size:15px;font-weight:500;backdrop-filter:blur(10px);cursor:pointer;transition:.25s}
.btn-ghost:hover{background:rgba(47,227,196,.10);border-color:var(--c-brand);color:#fff;transform:translateY(-2px)}
.btn-ghost.sm{height:38px;padding:0 18px;font-size:14px}
.channelbar{background:rgba(4,7,14,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-top:1px solid rgba(255,255,255,.04)}
.channelbar-inner{display:flex;align-items:center;gap:16px;height:48px}
.channel-tabs{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;flex:1 1 auto}
.channel-tabs::-webkit-scrollbar{display:none}
.channel-tab{position:relative;padding:8px 16px;border-radius:var(--r-pill);font-size:14px;color:var(--t2);white-space:nowrap;transition:.25s}
.channel-tab:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.channel-tab.active{color:#fff;font-weight:600}
.channel-tab.active::after{content:"";position:absolute;left:16px;right:16px;bottom:-5px;height:2px;border-radius:2px;background:var(--grad);box-shadow:0 0 10px rgba(47,227,196,.7)}
.update-stamp{font-size:13px;color:var(--t3);white-space:nowrap;letter-spacing:.02em;margin-left:auto}
.update-stamp .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--c-brand);margin-right:6px;box-shadow:0 0 8px rgba(47,227,196,.9);vertical-align:middle}

/* ============ Hero ============ */
.hero{position:relative;min-height:clamp(560px,78vh,860px);display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.05)}
.hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;transform:scale(1.02)}
.hero-grid{position:absolute;inset:0;opacity:.06;background-image:linear-gradient(rgba(122,196,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(122,196,255,.9) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}
.hero-veil{position:absolute;inset:0;background:
  radial-gradient(120% 90% at 50% 18%, rgba(4,7,14,.20), rgba(4,7,14,.92) 72%),
  linear-gradient(180deg, rgba(4,7,14,.70) 0%, rgba(4,7,14,.48) 34%, rgba(4,7,14,.95) 100%);}
.hero-inner{position:relative;z-index:2;padding-bottom:96px;padding-top:120px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.2em;color:var(--c-brand);background:rgba(47,227,196,.10);border:1px solid rgba(47,227,196,.28);padding:5px 14px;border-radius:var(--r-pill);margin-bottom:20px}
.hero-title{font-size:clamp(30px,5vw,62px);font-weight:800;line-height:1.15;letter-spacing:-.01em;color:var(--t1);max-width:960px}
.hero-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:clamp(15px,1.4vw,17px);line-height:1.8;color:var(--t2);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);max-width:720px}
.stat-num{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--t1);letter-spacing:.01em}
.stat-num i{font-style:normal;font-size:.6em;color:var(--c-brand);margin-left:2px}
.stat-label{display:block;font-size:13px;color:var(--t3);letter-spacing:.02em;margin-top:2px}
.hero-foot{position:absolute;right:32px;bottom:32px;z-index:3;display:flex;align-items:center;gap:18px}
.scroll-hint{font-size:13px;color:var(--t3);letter-spacing:.02em}
.scroll-hint i{margin-left:6px;color:var(--c-brand)}
.hero-dots{display:flex;gap:8px}
.hero-dots span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.22);cursor:pointer;transition:.25s}
.hero-dots span.on{width:24px;border-radius:4px;background:var(--grad);box-shadow:0 0 12px rgba(47,227,196,.7)}

/* ============ 通用区块 ============ */
.section{padding:88px 0}
.section.tight{padding-top:56px}
.section.alt{background:var(--c-deep);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.eyebrow{font-size:12px;letter-spacing:.2em;color:var(--t3);margin-bottom:8px}
.section-head h2{font-size:clamp(22px,2.6vw,34px);font-weight:700;line-height:1.25;color:var(--t1);letter-spacing:-.01em}
.section-head .desc{font-size:14px;color:var(--t2);margin-top:8px;max-width:640px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-brand);white-space:nowrap;font-weight:500}
.link-more:hover{color:var(--c-brand-2);gap:12px}
.link-more i{transition:transform .25s ease}

/* ============ 横滑片库 ============ */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{content:"";position:absolute;top:0;bottom:24px;width:40px;pointer-events:none;z-index:2}
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--c-void),transparent)}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--c-void),transparent)}
.section.alt .rail-wrap::before{background:linear-gradient(90deg,var(--c-deep),transparent)}
.section.alt .rail-wrap::after{background:linear-gradient(270deg,var(--c-deep),transparent)}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 20px 24px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 300px;scroll-snap-align:start;border-radius:var(--r-md);overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.rail-card:hover{transform:translateY(-6px);box-shadow:var(--sh-card-h);border-color:rgba(47,227,196,.42)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0b1524}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease,filter .5s ease}
.thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,14,.06),rgba(4,7,14,.55));transition:opacity .35s ease}
.rail-card:hover .thumb img{transform:scale(1.06);filter:brightness(1.08)}
.thumb-enter{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.82);width:46px;height:46px;border-radius:50%;background:rgba(4,7,14,.6);border:1px solid rgba(47,227,196,.6);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-size:15px;opacity:0;transition:.3s ease;z-index:2;backdrop-filter:blur(6px)}
.rail-card:hover .thumb-enter{opacity:1;transform:translate(-50%,-50%) scale(1)}
.rail-body{padding:16px 18px 20px}
.rail-body h3{font-size:16px;font-weight:600;color:var(--t1);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-body p{font-size:13px;color:var(--t3);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-arrow{position:absolute;top:calc(50% - 24px);transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:rgba(8,17,30,.7);backdrop-filter:blur(14px);color:var(--t1);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:3;transition:.25s}
.rail-arrow:hover{background:rgba(47,227,196,.16);border-color:var(--c-brand);color:#fff}
.rail-prev{left:8px}.rail-next{right:8px}

/* ============ 标签 ============ */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;line-height:1}
.tag-brand{background:rgba(47,227,196,.12);color:var(--c-brand)}
.tag-accent{background:rgba(255,122,47,.10);color:var(--c-accent)}
.tag-line{background:rgba(255,255,255,.06);color:var(--t2)}

/* ============ 热播推荐 ============ */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:20px}
.feature-main{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);min-height:440px;display:flex;align-items:flex-end;transition:border-color .3s ease,box-shadow .3s ease}
.feature-main:hover{border-color:rgba(47,227,196,.42);box-shadow:var(--sh-card-h)}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,14,.1) 20%,rgba(4,7,14,.92) 100%)}
.feature-main-body{position:relative;z-index:2;padding:28px}
.feature-main-body h3{font-size:clamp(20px,2vw,26px);font-weight:700;color:var(--t1);line-height:1.4;margin-top:14px}
.feature-main-body p{font-size:14px;color:var(--t2);margin-top:10px;max-width:520px}
.feature-side{display:flex;flex-direction:column;gap:16px}
.bar-card{display:grid;grid-template-columns:170px 1fr;gap:16px;align-items:center;padding:14px;border-radius:var(--r-md);background:var(--c-surface);border:1px solid var(--c-line);transition:.3s}
.bar-card:hover{background:var(--c-surface-2);border-color:rgba(47,227,196,.42);transform:translateX(4px)}
.bar-card .thumb{border-radius:var(--r-sm);aspect-ratio:16/10}
.bar-card h3{font-size:15px;font-weight:600;color:var(--t1);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bar-card p{font-size:13px;color:var(--t3);margin-top:6px}

/* ============ 四列小卡 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mini-card{border-radius:var(--r-md);overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);transition:.3s;display:flex;flex-direction:column}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h);border-color:rgba(47,227,196,.42)}
.mini-card .thumb{aspect-ratio:16/9}
.mini-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.mini-body h3{font-size:15px;font-weight:600;color:var(--t1);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--t3);letter-spacing:.02em}

/* ============ 两列宽卡 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.wide-card{display:grid;grid-template-columns:300px 1fr;gap:0;border-radius:var(--r-lg);overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);transition:.3s}
.wide-card:hover{border-color:rgba(47,227,196,.42);box-shadow:var(--sh-card-h);transform:translateY(-4px)}
.wide-card .thumb{height:100%;aspect-ratio:auto;min-height:200px}
.wide-body{padding:24px;display:flex;flex-direction:column;gap:12px}
.wide-body h3{font-size:18px;font-weight:600;color:var(--t1);line-height:1.5}
.wide-body p{font-size:14px;color:var(--t2);line-height:1.75}
.wide-body .mini-meta{margin-top:auto}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:28px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:6px;top:12px;bottom:12px;width:1px;background:linear-gradient(180deg,var(--c-brand),rgba(47,227,196,.05))}
.tl-item{position:relative;padding:0 0 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-26px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--c-void);border:2px solid var(--c-brand);box-shadow:0 0 0 4px rgba(47,227,196,.10)}
.tl-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tl-time{font-size:13px;color:var(--c-accent);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.tl-title{font-size:16px;font-weight:600;color:var(--t1);line-height:1.55}
.tl-desc{font-size:13px;color:var(--t3);margin-top:4px}
.tl-item a:hover .tl-title{color:var(--c-brand)}

/* ============ CMS 列表 ============ */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cms-card{border-radius:var(--r-md);overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);transition:.3s;height:100%}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-h);border-color:rgba(47,227,196,.45)}
.cms-card-link{display:flex;flex-direction:column;height:100%}
.cms-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.cms-tags{display:flex;gap:8px;flex-wrap:wrap}
.cms-title{font-size:16px;font-weight:600;color:var(--t1);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-sum{font-size:13px;color:var(--t2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--t3);letter-spacing:.02em;padding-top:6px}
.cms-more{color:var(--c-brand);font-weight:500}
.empty-card{border-radius:var(--r-lg);border:1px dashed rgba(122,196,255,.28);background:var(--c-surface);backdrop-filter:blur(14px) saturate(140%);padding:48px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}
.empty-icon{width:56px;height:56px;border-radius:50%;background:rgba(47,227,196,.10);border:1px solid rgba(47,227,196,.28);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-size:20px}
.empty-card h3{font-size:18px;font-weight:600;color:var(--t1)}
.empty-card p{font-size:14px;color:var(--t3);max-width:520px}
.empty-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:8px}

/* ============ 浅色区块 ============ */
.light-section{background:var(--c-light-bg);color:var(--c-light-text);padding:88px 0;position:relative}
.light-section::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(12,22,38,.16),transparent)}
.light-section .eyebrow{color:rgba(12,22,38,.45)}
.light-section h2{color:var(--c-light-text)}
.light-section .desc{color:rgba(12,22,38,.68)}
.light-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.light-card{background:#fff;border:1px solid rgba(12,22,38,.08);border-radius:var(--r-md);padding:26px 24px;display:flex;flex-direction:column;gap:12px;transition:.3s;box-shadow:0 14px 34px -26px rgba(12,22,38,.5)}
.light-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px -26px rgba(12,22,38,.55);border-color:rgba(47,227,196,.5)}
.light-ico{width:42px;height:42px;border-radius:12px;background:rgba(47,227,196,.14);color:#0b8f7c;display:flex;align-items:center;justify-content:center;font-size:17px}
.light-card h3{font-size:16px;font-weight:700;color:var(--c-light-text)}
.light-card p{font-size:14px;line-height:1.75;color:rgba(12,22,38,.66)}
.light-foot{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.light-foot .hint{font-size:13px;color:rgba(12,22,38,.55)}
.btn-dark{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 26px;border-radius:var(--r-pill);background:#0C1626;color:#fff;font-size:15px;font-weight:600;border:0;cursor:pointer;transition:.25s}
.btn-dark:hover{background:#16233a;transform:translateY(-2px);color:#fff;box-shadow:0 16px 34px -18px rgba(12,22,38,.8)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-accordion .accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;backdrop-filter:blur(14px) saturate(140%)}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-button{background:transparent;color:var(--t1);font-size:16px;font-weight:600;padding:20px 24px;border-left:3px solid transparent;box-shadow:none;line-height:1.6}
.faq-accordion .accordion-button:not(.collapsed){background:rgba(47,227,196,.06);color:var(--c-brand);border-left-color:var(--c-brand);box-shadow:none}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:none}
.faq-accordion .accordion-button::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232FE3C4'%3E%3Cpath d='M8 11.5 2.5 6l1.06-1.06L8 9.38l4.44-4.44L13.5 6z'/%3E%3C/svg%3E");background-size:14px;transition:transform .3s ease}
.faq-accordion .accordion-body{padding:4px 24px 22px;font-size:14.5px;line-height:1.85;color:var(--t2)}

/* ============ CTA ============ */
.cta-band{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:linear-gradient(120deg,rgba(47,227,196,.10),rgba(76,155,255,.06) 60%,rgba(255,255,255,.03));backdrop-filter:blur(14px) saturate(140%);padding:48px}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.07;background-image:repeating-linear-gradient(90deg,rgba(122,196,255,.9) 0 1px,transparent 1px 56px);pointer-events:none}
.cta-inner{position:relative;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--t1);line-height:1.3}
.cta-inner p{font-size:15px;color:var(--t2);margin-top:12px;max-width:560px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{flex:1 1 220px;height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:rgba(255,255,255,.05);color:var(--t1);padding:0 16px;outline:none;transition:.25s;min-width:0}
.cta-form input::placeholder{color:var(--t3)}
.cta-form input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(47,227,196,.15)}
.cta-note{font-size:13px;color:var(--t3);margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--c-deep);border-top:1px solid rgba(255,255,255,.05);margin-top:0}
.site-footer::before{content:"";position:absolute;inset:0;opacity:.05;background-image:radial-gradient(circle at 12% 20%,rgba(122,196,255,.9),transparent 40%),radial-gradient(circle at 88% 80%,rgba(47,227,196,.8),transparent 42%);pointer-events:none}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--t1);letter-spacing:.04em;margin-bottom:18px}
.footer-col p{font-size:13.5px;line-height:1.9;color:var(--t3);max-width:340px}
.footer-list li{margin-bottom:12px}
.footer-list a{font-size:14px;color:var(--t2)}
.footer-list a:hover{color:var(--c-brand)}
.footer-list span{font-size:14px;color:var(--t3);display:block}
.footer-info li{display:flex;gap:10px;font-size:13.5px;color:var(--t3);margin-bottom:12px;align-items:flex-start}
.footer-info i{color:var(--c-brand);font-size:13px;margin-top:5px}
.footer-bottom{position:relative;border-top:1px solid rgba(255,255,255,.06);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3)}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a:hover{color:var(--c-brand)}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){.wrap{max-width:1140px}}
@media (max-width:1199.98px){
  .wrap{max-width:960px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .light-grid{grid-template-columns:repeat(2,1fr)}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .wide-card{grid-template-columns:240px 1fr}
}
@media (max-width:991.98px){
  body{padding-top:104px}
  .brandbar-inner{height:56px}
  .feature-grid{grid-template-columns:1fr}
  .feature-main{min-height:340px}
  .wide-card{grid-template-columns:1fr}
  .wide-card .thumb{min-height:200px}
  .footer-grid{grid-template-columns:1fr 1fr;padding:48px 0 32px}
  .cta-inner{grid-template-columns:1fr}
  .section{padding:72px 0}
  .light-section{padding:72px 0}
  .update-stamp{display:none}
}
@media (max-width:767.98px){
  body{font-size:15px;padding-top:104px}
  .nav-search{position:absolute;left:16px;right:16px;top:62px;max-width:none;margin:0;display:none;height:48px;background:rgba(8,17,30,.98);z-index:5}
  .site-header.search-open .nav-search{display:flex}
  .search-toggle{display:inline-flex}
  .logo-text{font-size:17px}
  .brandbar-actions .btn-glow{height:38px;padding:0 16px;font-size:14px}
  .section{padding:56px 0}
  .light-section{padding:56px 0}
  .hero-inner{padding-top:64px;padding-bottom:64px}
  .hero-stats{gap:24px;margin-top:32px}
  .hero-foot{display:none}
  .rail-card{flex:0 0 220px}
  .rail-arrow{display:none}
  .grid-4,.grid-2,.cms-grid,.light-grid{grid-template-columns:1fr}
  .bar-card{grid-template-columns:120px 1fr}
  .cta-band{padding:32px 22px}
  .section-head{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero-title{font-size:28px}
  .hero-sub{font-size:14.5px}
  .btn-glow,.btn-ghost{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
  .empty-actions .btn-ghost{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --c-void:#04070E;
  --c-deep:#08111E;
  --c-surface:rgba(255,255,255,.045);
  --c-surface-2:rgba(255,255,255,.075);
  --c-line:rgba(122,196,255,.14);
  --c-brand:#2FE3C4;
  --c-brand-2:#4C9BFF;
  --c-accent:#FF7A2F;
  --c-light-bg:#F2F6FA;
  --c-light-text:#0C1626;
  --t1:rgba(255,255,255,.96);
  --t2:rgba(206,222,240,.72);
  --t3:rgba(158,180,205,.5);
  --grad:linear-gradient(100deg,#2FE3C4,#4C9BFF);
  --r-lg:20px;--r-md:16px;--r-sm:12px;--r-pill:999px;
  --sh-card:0 18px 40px -20px rgba(0,0,0,.75);
  --sh-hover:0 26px 56px -22px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(47,227,196,.40),0 10px 30px -8px rgba(47,227,196,.45);
  --bs-body-bg:#04070E;--bs-body-color:rgba(255,255,255,.96);
  --bs-primary:#2FE3C4;--bs-primary-rgb:47,227,196;
  --bs-link-color:#2FE3C4;--bs-link-hover-color:#4C9BFF;
  --bs-border-color:rgba(122,196,255,.14);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-void);color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 20px}
@media(max-width:1399px){.wrap{max-width:1140px}}
@media(max-width:1199px){.wrap{max-width:960px}}
@media(max-width:991px){.wrap{max-width:100%;padding:0 20px}}
@media(max-width:575px){.wrap{padding:0 16px}}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(4,7,14,.74);backdrop-filter:blur(10px);transition:background .3s ease,box-shadow .3s ease}
.site-header::after{content:"";display:block;height:1px;background:linear-gradient(90deg,rgba(47,227,196,0),rgba(47,227,196,.35),rgba(76,155,255,.28),rgba(47,227,196,0))}
.site-header.is-stuck{background:rgba(4,7,14,.82);backdrop-filter:blur(18px) saturate(140%);box-shadow:0 16px 40px -30px rgba(0,0,0,.95)}
.brandbar-inner{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:28px;height:28px;border-radius:50%;position:relative;flex:0 0 auto;background:conic-gradient(from 140deg,var(--c-brand),var(--c-brand-2),rgba(47,227,196,0) 68%)}
.logo-mark::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--c-void)}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--t1)}
.nav-search{flex:1 1 auto;max-width:460px;display:flex;align-items:center;gap:10px;height:40px;padding:0 16px;border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);backdrop-filter:blur(14px) saturate(140%)}
.nav-search i{color:var(--t3);font-size:14px}
.nav-search input{flex:1;background:transparent;border:0;outline:none;color:var(--t1);font-size:14px}
.nav-search input::placeholder{color:var(--t3)}
.brandbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-toggle{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);color:var(--t1);cursor:pointer}
.btn-glow{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 22px;border-radius:var(--r-pill);background:var(--grad);color:#04120F;font-weight:700;font-size:14px;border:0;cursor:pointer;box-shadow:var(--glow);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(47,227,196,.5),0 16px 38px -10px rgba(47,227,196,.6)}
.channelbar{border-top:1px solid rgba(255,255,255,.04);position:relative}
.channelbar-inner{display:flex;align-items:center;gap:20px;height:48px}
.channel-tabs{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-tabs::-webkit-scrollbar{display:none}
.channel-tab{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 16px;border-radius:var(--r-pill);font-size:15px;color:var(--t2);white-space:nowrap;transition:color .2s ease,background .2s ease}
.channel-tab:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.channel-tab.active{color:#fff}
.channel-tab.active::after{content:"";position:absolute;left:50%;bottom:6px;width:22px;height:2px;transform:translateX(-50%);border-radius:2px;background:var(--grad);box-shadow:0 0 10px rgba(47,227,196,.75)}
.update-stamp{margin-left:auto;display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--t3);white-space:nowrap}
.update-stamp .dot{width:6px;height:6px;border-radius:50%;background:var(--c-brand);box-shadow:0 0 10px rgba(47,227,196,.9)}
@media(max-width:991px){
  .brandbar-inner{height:56px;gap:12px}
  .nav-search{display:none}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center}
  .site-header.search-open .nav-search{display:flex;max-width:none;position:absolute;left:16px;right:16px;top:62px;height:46px;z-index:5;background:rgba(8,17,30,.96)}
  .logo-text{font-size:17px}
  .update-stamp{display:none}
  .channelbar-inner{height:46px}
}
@media(max-width:575px){
  .btn-glow{padding:0 16px;font-size:13px}
}

/* ===== article ===== */
.page-main{padding:36px 0 0}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--t3);margin-bottom:22px}
.breadcrumb-nav a{color:var(--t3)}
.breadcrumb-nav a:hover{color:var(--c-brand)}
.breadcrumb-nav .sep{opacity:.5}
.breadcrumb-nav .current{color:var(--t2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-shell{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;max-width:820px;margin:0 auto}
@media(min-width:1200px){
  .article-shell{grid-template-columns:minmax(0,820px) 260px;max-width:1160px;align-items:start}
}
.article-head{margin-bottom:26px}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;background:rgba(255,122,47,.1);color:var(--c-accent);border:1px solid rgba(255,122,47,.22)}
.tag.brand{background:rgba(47,227,196,.12);color:var(--c-brand);border-color:rgba(47,227,196,.26)}
.article-head h1{font-size:clamp(26px,4vw,42px);font-weight:800;line-height:1.18;letter-spacing:-.01em;margin:16px 0 16px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;font-size:13px;letter-spacing:.02em;color:var(--t3)}
.article-meta .sep{width:4px;height:4px;border-radius:50%;background:rgba(158,180,205,.4)}
.article-cover{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;margin:8px 0 34px;border:1px solid var(--c-line);box-shadow:var(--sh-card);background:var(--c-deep)}
.article-cover img{width:100%;height:100%;object-fit:cover;filter:saturate(1.02)}
.article-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,14,.1),rgba(4,7,14,.35))}
.article-body{font-size:17px;line-height:1.95;color:var(--t2);word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--t1);margin:2.2em 0 .8em;padding-left:16px;line-height:1.4;scroll-margin-top:130px}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;background:var(--grad)}
.article-body h3{font-size:18px;font-weight:600;color:var(--t1);margin:1.8em 0 .6em;scroll-margin-top:130px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:disc;margin:.45em 0}
.article-body ol li{list-style:decimal;margin:.45em 0}
.article-body li::marker{color:var(--c-brand)}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--c-surface);border-left:3px solid var(--c-accent);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--t1)}
.article-body strong{color:var(--t1);font-weight:600}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.article-body img{border-radius:var(--r-md);margin:1.5em auto;box-shadow:var(--sh-card)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;font-variant-numeric:tabular-nums}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(255,255,255,.04);color:var(--t1);font-weight:600}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,rgba(47,227,196,0),rgba(47,227,196,.35),rgba(47,227,196,0));margin:2.4em 0}
.toc-panel{display:none}
@media(min-width:1200px){
  .toc-panel{display:block;position:sticky;top:120px;padding:22px;border-radius:var(--r-md);background:var(--c-surface);border:1px solid var(--c-line);backdrop-filter:blur(14px) saturate(140%)}
  .toc-panel h4{font-size:13px;letter-spacing:.14em;color:var(--t3);font-weight:600;margin-bottom:14px}
  .toc-list li{margin:2px 0}
  .toc-list a{display:block;font-size:14px;line-height:1.6;color:var(--t2);padding:6px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0}
  .toc-list a:hover{color:var(--t1);background:rgba(255,255,255,.05)}
  .toc-list a.is-current{color:var(--c-brand);border-left-color:var(--c-brand);background:rgba(47,227,196,.08)}
}
.empty-state{margin:10px 0 40px;padding:44px 28px;text-align:center;border-radius:var(--r-lg);background:var(--c-surface);border:1px solid var(--c-line);backdrop-filter:blur(14px)}
.empty-state i{font-size:28px;color:var(--c-brand)}
.empty-state h2{font-size:20px;margin:14px 0 8px;color:var(--t1)}
.empty-state p{color:var(--t2);margin:0 0 20px;font-size:15px}
.btn-outline{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:transparent;color:var(--t1);font-weight:600;font-size:14px;cursor:pointer;transition:background .2s ease,border-color .2s ease,transform .2s ease}
.btn-outline:hover{background:rgba(47,227,196,.1);border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}

/* ===== sections ===== */
.section{padding:72px 0 0}
.section:last-of-type{padding-bottom:80px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head .kicker{display:block;font-size:12px;letter-spacing:.22em;color:var(--t3);margin-bottom:8px}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head .more{font-size:14px;color:var(--t2);white-space:nowrap}
.section-head .more:hover{color:var(--c-brand)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media(max-width:991px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:575px){.grid-3{grid-template-columns:1fr}}

.card{display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;background:var(--c-surface);border:1px solid var(--c-line);backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:rgba(47,227,196,.4)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-deep)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.card:hover .card-cover img{transform:scale(1.04);filter:brightness(1.08)}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,14,.05),rgba(4,7,14,.45))}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;color:var(--t1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--t2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;margin-top:auto}

.pager-strip{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:34px;padding:22px 24px;border-radius:var(--r-md);background:var(--c-surface);border:1px solid var(--c-line);backdrop-filter:blur(14px)}
.pager-strip span{font-size:14px;color:var(--t2)}
.pager-strip .links{display:flex;flex-wrap:wrap;gap:10px}
.pager-strip a{font-size:14px;color:var(--t2)}
.pager-strip a:hover{color:var(--c-brand)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px}
.accordion-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;backdrop-filter:blur(14px) saturate(140%)}
.accordion-item+.accordion-item{margin-top:0}
.accordion-button{position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:transparent;border:0;color:var(--t1);font-size:16px;font-weight:600;text-align:left;cursor:pointer;transition:background .2s ease}
.accordion-button:hover{background:rgba(255,255,255,.04)}
.accordion-button::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--t3);transition:transform .25s ease,color .25s ease}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--c-brand)}
.accordion-button:not(.collapsed){background:rgba(255,255,255,.04)}
.accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--grad)}
.accordion-body{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t2)}

/* ===== CTA ===== */
.cta-band{margin-top:72px;padding:40px;border-radius:var(--r-lg);background:linear-gradient(120deg,rgba(47,227,196,.10),rgba(76,155,255,.06)),var(--c-deep);border:1px solid var(--c-line);display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(47,227,196,.16)}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:var(--t2);font-size:15px;margin:0}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{flex:1 1 220px;height:48px;padding:0 16px;border-radius:var(--r-sm);background:rgba(255,255,255,.05);border:1px solid var(--c-line);color:var(--t1);outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.cta-form input::placeholder{color:var(--t3)}
.cta-form input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(47,227,196,.15)}
.cta-form .btn-glow{height:48px;padding:0 26px}
.cta-note{font-size:13px;color:var(--t3);margin-top:12px;width:100%}
@media(max-width:991px){.cta-band{grid-template-columns:1fr;padding:30px}}

/* ===== footer ===== */
.site-footer{margin-top:88px;padding-top:56px;border-top:1px solid transparent;background:var(--c-deep);position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(47,227,196,0),rgba(47,227,196,.4),rgba(76,155,255,.3),rgba(47,227,196,0))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:575px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-col p{font-size:14px;color:var(--t2);margin:0;line-height:1.8}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--t1);margin-bottom:16px;font-weight:600}
.footer-list li{margin:9px 0}
.footer-list a{font-size:14px;color:var(--t2)}
.footer-list a:hover{color:var(--c-brand)}
.footer-info li{display:flex;gap:10px;font-size:14px;color:var(--t2);margin:9px 0}
.footer-info i{color:var(--t3);margin-top:5px}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.07);font-size:13px;color:var(--t3)}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:var(--t3)}
.footer-links a:hover{color:var(--c-brand)}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-void:#04070E;
  --c-deep:#08111E;
  --c-surface:rgba(255,255,255,.045);
  --c-surface-2:rgba(255,255,255,.075);
  --c-line:rgba(122,196,255,.14);
  --c-brand:#2FE3C4;
  --c-brand-2:#4C9BFF;
  --c-accent:#FF7A2F;
  --c-light-bg:#F2F6FA;
  --c-light-text:#0C1626;
  --t1:rgba(255,255,255,.96);
  --t2:rgba(206,222,240,.72);
  --t3:rgba(158,180,205,.5);
  --grad-main:linear-gradient(100deg,#2FE3C4,#4C9BFF);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 18px 40px -20px rgba(0,0,0,.75);
  --sh-card-hover:0 26px 56px -22px rgba(0,0,0,.85);
  --sh-glow:0 0 0 1px rgba(47,227,196,.40), 0 10px 30px -8px rgba(47,227,196,.45);
  --bs-primary:#2FE3C4;
  --bs-body-bg:#04070E;
  --bs-body-color:rgba(255,255,255,.96);
  --bs-link-color:#2FE3C4;
  --bs-link-hover-color:#7BF3DE;
  --bs-border-color:rgba(122,196,255,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-void);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body,button,input,select,textarea{font-variant-numeric:tabular-nums;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease;}
button{font-family:inherit;}
::selection{background:rgba(47,227,196,.3);color:#fff;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1320px;}}
@media (max-width:1199px){.wrap{max-width:960px;}}
@media (max-width:991px){.wrap{max-width:none;padding:0 20px;}}
@media (max-width:575px){.wrap{padding:0 16px;}}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(4,7,14,.88);
  backdrop-filter:blur(12px) saturate(140%);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(47,227,196,0),rgba(47,227,196,.45),rgba(76,155,255,.35),rgba(47,227,196,0));
}
.site-header.scrolled{background:rgba(4,7,14,.82);backdrop-filter:blur(18px) saturate(150%);box-shadow:0 14px 34px -24px rgba(0,0,0,.95);}
.brandbar{position:relative;}
.brandbar-inner{display:flex;align-items:center;gap:22px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:30px;height:30px;border-radius:50%;position:relative;flex:0 0 auto;
  background:conic-gradient(from 140deg,#2FE3C4,#4C9BFF 55%,#2FE3C4);
  box-shadow:0 0 18px -4px rgba(47,227,196,.7);
}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:50%;background:#04070E;}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--t1);white-space:nowrap;}
.nav-search{
  flex:1 1 auto;max-width:460px;display:flex;align-items:center;gap:10px;
  height:42px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .25s ease,background .25s ease;
}
.nav-search:focus-within{border-color:rgba(47,227,196,.55);background:rgba(255,255,255,.07);}
.nav-search i{color:var(--t3);font-size:14px;}
.nav-search input{
  flex:1;background:transparent;border:0;outline:0;color:var(--t1);font-size:14.5px;
}
.nav-search input::placeholder{color:var(--t3);}
.brandbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--grad-main);color:#03110E;font-size:15px;font-weight:700;
  box-shadow:var(--sh-glow);border:0;cursor:pointer;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(47,227,196,.55),0 16px 38px -10px rgba(47,227,196,.6);color:#03110E;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--t1);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.btn-ghost:hover{background:rgba(47,227,196,.10);border-color:rgba(47,227,196,.6);transform:translateY(-2px);color:var(--t1);}
.search-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--t2);cursor:pointer;
}
.channelbar{border-top:1px solid rgba(255,255,255,.05);}
.channelbar-inner{display:flex;align-items:center;gap:16px;height:48px;}
.channel-tabs{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.channel-tabs::-webkit-scrollbar{display:none;}
.channel-tab{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14.5px;color:var(--t2);white-space:nowrap;
  transition:background .25s ease,color .25s ease;
}
.channel-tab:hover{background:rgba(255,255,255,.06);color:var(--t1);}
.channel-tab.active{color:#fff;font-weight:600;background:rgba(47,227,196,.10);box-shadow:0 0 0 1px rgba(47,227,196,.25) inset,0 0 18px -8px rgba(47,227,196,.8);}
.channel-tab.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad-main);
}
.update-stamp{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--t3);white-space:nowrap;
}
.update-stamp .dot{width:6px;height:6px;border-radius:50%;background:var(--c-brand);box-shadow:0 0 10px var(--c-brand);}

/* ============ channel hero ============ */
.channel-hero{
  position:relative;display:flex;align-items:flex-end;
  min-height:clamp(280px,34vh,400px);overflow:hidden;
  border-bottom:1px solid var(--c-line);
}
.channel-hero .hero-bg{
  position:absolute;inset:0;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  transform:scale(1.02);
}
.channel-hero .hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(4,7,14,.55) 0%,rgba(4,7,14,.35) 35%,rgba(4,7,14,.94) 100%),
    radial-gradient(120% 90% at 12% 80%,rgba(4,7,14,.85),rgba(4,7,14,.25) 60%,transparent 85%);
}
.channel-hero .hero-grid{
  position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(122,196,255,.8) 1px,transparent 1px),linear-gradient(90deg,rgba(122,196,255,.8) 1px,transparent 1px);
  background-size:64px 64px;
}
.channel-hero .wrap{position:relative;z-index:2;padding-top:64px;padding-bottom:38px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--t3);margin-bottom:14px;flex-wrap:wrap;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{opacity:.6;}
.channel-hero h1{
  font-size:clamp(26px,4vw,44px);font-weight:800;line-height:1.18;letter-spacing:-.01em;margin:0 0 12px;
}
.channel-hero h1 .accent{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;}
.channel-hero p.lead{
  max-width:640px;margin:0 0 18px;font-size:15.5px;color:var(--t2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;
  background:rgba(47,227,196,.12);color:#7BF3DE;border:1px solid rgba(47,227,196,.22);
}
.badge-accent{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;
  background:rgba(255,122,47,.10);color:#FFAE7C;border:1px solid rgba(255,122,47,.22);
}

/* ============ filter + stats ============ */
.filter-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:26px 0 8px;
}
.filter-pills{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;padding-bottom:4px;}
.filter-pills::-webkit-scrollbar{display:none;}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14px;color:var(--t2);background:var(--c-surface);border:1px solid var(--c-line);
  white-space:nowrap;cursor:pointer;transition:all .25s ease;
}
.pill:hover{background:var(--c-surface-2);color:var(--t1);border-color:rgba(122,196,255,.3);}
.pill.active{background:rgba(47,227,196,.12);border-color:rgba(47,227,196,.5);color:#8DF6E3;box-shadow:0 0 22px -12px rgba(47,227,196,.9);}
.stat-inline{display:flex;align-items:center;gap:22px;padding:4px 0;}
.stat-inline .stat{display:flex;flex-direction:column;line-height:1.3;}
.stat-inline .stat b{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.stat-inline .stat span{font-size:12.5px;color:var(--t3);letter-spacing:.02em;}
.stat-inline .divider{width:1px;height:28px;background:linear-gradient(180deg,transparent,rgba(122,196,255,.28),transparent);}

/* ============ section head ============ */
section{position:relative;}
.sec{padding:56px 0;}
@media (min-width:992px){.sec{padding:88px 0;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head .kicker{display:block;font-size:12px;letter-spacing:.28em;color:var(--c-brand);margin-bottom:8px;text-transform:none;}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.25;margin:0;}
.sec-head p{margin:8px 0 0;font-size:14.5px;color:var(--t2);max-width:640px;}
.sec-more{font-size:14px;color:var(--t2);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.sec-more:hover{color:var(--c-brand);}

/* ============ news grid ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media (max-width:767px){.news-grid{grid-template-columns:1fr;}}
.ncard{
  position:relative;display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.ncard:hover{transform:translateY(-4px);border-color:rgba(47,227,196,.5);box-shadow:var(--sh-card-hover);}
.ncard-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-deep);}
.ncard-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease,filter .55s ease;}
.ncard-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,14,.05),rgba(4,7,14,.5));}
.ncard:hover .ncard-thumb img{transform:scale(1.05);filter:brightness(1.08);}
.ncard-thumb .thumb-tag{position:absolute;left:14px;top:14px;z-index:2;}
.ncard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.ncard-body h3{
  margin:0;font-size:18px;font-weight:600;line-height:1.45;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ncard-body p{
  margin:0;font-size:14px;line-height:1.8;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ncard-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--t3);letter-spacing:.02em;}
.ncard-meta .dotsep{opacity:.6;}
.card-feature{grid-column:span 2;flex-direction:row;}
.card-feature .ncard-thumb{aspect-ratio:auto;flex:1 1 52%;min-height:100%;}
.card-feature .ncard-body{flex:1 1 48%;padding:28px 30px;gap:14px;justify-content:center;}
.card-feature .ncard-body h3{font-size:clamp(20px,2.2vw,26px);-webkit-line-clamp:3;}
.card-feature .ncard-body p{-webkit-line-clamp:3;font-size:15px;}
@media (max-width:991px){
  .card-feature{grid-column:span 2;flex-direction:column;}
  .card-feature .ncard-thumb{aspect-ratio:16/9;min-height:0;}
  .card-feature .ncard-body{padding:22px 24px;}
}
@media (max-width:767px){
  .card-feature{grid-column:span 1;}
}

/* ============ timeline block ============ */
.timeline-wrap{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;
  background:var(--c-deep);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:40px;
}
@media (max-width:991px){.timeline-wrap{grid-template-columns:1fr;gap:32px;padding:28px;}}
.timeline-intro h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;margin:10px 0 14px;}
.timeline-intro p{font-size:14.8px;color:var(--t2);margin:0 0 20px;}
.mini-figure{
  border-radius:var(--r-md);overflow:hidden;position:relative;aspect-ratio:16/10;border:1px solid var(--c-line);
}
.mini-figure img{width:100%;height:100%;object-fit:cover;}
.mini-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,14,.1),rgba(4,7,14,.6));}
.mini-figure span{
  position:absolute;left:16px;bottom:14px;z-index:2;font-size:13px;color:var(--t1);letter-spacing:.02em;
}
.tl-list{position:relative;padding-left:26px;}
.tl-list::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,rgba(47,227,196,.7),rgba(122,196,255,.12));}
.tl-item{position:relative;padding:0 0 22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:8px;width:11px;height:11px;border-radius:50%;
  background:var(--c-void);border:2px solid var(--c-brand);box-shadow:0 0 12px -2px rgba(47,227,196,.9);
}
.tl-time{font-size:12.5px;letter-spacing:.08em;color:var(--c-accent);}
.tl-item h3{margin:4px 0 4px;font-size:16px;font-weight:600;color:var(--t1);}
.tl-item p{margin:0;font-size:14px;color:var(--t2);line-height:1.75;}

/* ============ light band ============ */
.light-band{background:var(--c-light-bg);color:var(--c-light-text);border-radius:0;}
.light-band .kicker{color:#0F9E88;}
.light-band .sec-head h2{color:var(--c-light-text);}
.light-band .sec-head p{color:rgba(12,22,38,.68);}
.split-light{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;}
@media (max-width:991px){.split-light{grid-template-columns:1fr;gap:28px;}}
.faq-acc .accordion-item{
  background:#fff;border:1px solid rgba(12,22,38,.08);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;box-shadow:0 10px 26px -22px rgba(12,22,38,.55);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  background:#fff;color:var(--c-light-text);font-size:15.5px;font-weight:600;line-height:1.6;
  padding:18px 20px;box-shadow:none;border-radius:var(--r-md);
}
.faq-acc .accordion-button:not(.collapsed){
  color:#0A8F7A;background:#fff;box-shadow:inset 3px 0 0 var(--c-brand);
}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230C1626'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition:transform .3s ease;
}
.faq-acc .accordion-body{padding:0 20px 20px;font-size:14.5px;line-height:1.85;color:rgba(12,22,38,.72);}
.link-panel{
  background:#fff;border-radius:var(--r-lg);padding:28px;
  box-shadow:0 20px 44px -30px rgba(12,22,38,.6);
  border:1px solid rgba(12,22,38,.06);
}
.link-panel h3{margin:0 0 6px;font-size:19px;font-weight:700;color:var(--c-light-text);}
.link-panel > p{margin:0 0 18px;font-size:14px;color:rgba(12,22,38,.66);}
.link-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.link-list li a{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 16px;border-radius:var(--r-sm);background:#F7FAFD;
  border:1px solid rgba(12,22,38,.07);font-size:14.5px;color:#12233A;font-weight:500;
  transition:all .25s ease;
}
.link-list li a:hover{background:#EAF6F3;border-color:rgba(15,158,136,.4);transform:translateX(3px);color:#0A8F7A;}
.link-list li a i{font-size:12px;color:#0F9E88;}
.link-panel .panel-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed rgba(12,22,38,.14);
  font-size:13px;color:rgba(12,22,38,.6);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  background:var(--c-deep);
}
.cta-band .cta-bg{
  position:absolute;inset:0;background:url(/assets/images/backpic/back-3.png) center/cover no-repeat;opacity:.28;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,7,14,.96),rgba(4,7,14,.72));}
.cta-band .wrap{position:relative;z-index:2;}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:56px 0;}
@media (min-width:992px){.cta-inner{padding:76px 0;}}
@media (max-width:991px){.cta-inner{grid-template-columns:1fr;gap:26px;}}
.cta-inner h2{font-size:clamp(22px,2.8vw,34px);font-weight:800;line-height:1.28;margin:0 0 12px;}
.cta-inner p{margin:0;font-size:15px;color:var(--t2);max-width:520px;}
.subscribe-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;backdrop-filter:blur(16px) saturate(140%);
}
.subscribe-card label{display:block;font-size:13px;letter-spacing:.02em;color:var(--t3);margin-bottom:8px;}
.subscribe-row{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-row input{
  flex:1 1 220px;height:48px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--c-line);color:var(--t1);
  padding:0 16px;font-size:15px;outline:0;transition:border-color .25s ease,box-shadow .25s ease;
}
.subscribe-row input::placeholder{color:var(--t3);}
.subscribe-row input:focus{border-color:rgba(47,227,196,.7);box-shadow:0 0 0 3px rgba(47,227,196,.15);}
.subscribe-row .btn-glow{flex:0 0 auto;height:48px;padding:0 26px;}
.form-hint{margin:12px 0 0;font-size:13px;color:var(--t3);}
.form-hint a{color:#8DF6E3;}
.form-hint a:hover{color:#fff;}

/* ============ footer ============ */
.site-footer{background:#02040A;border-top:1px solid rgba(122,196,255,.12);margin-top:0;}
.site-footer::before{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(47,227,196,0),rgba(47,227,196,.5),rgba(76,155,255,.4),rgba(47,227,196,0));
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding:56px 24px 40px;
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 20px 32px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;padding:36px 16px 28px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-text{font-size:18px;font-weight:800;}
.footer-col p{font-size:14px;line-height:1.85;color:var(--t3);margin:0;max-width:420px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--t1);margin:0 0 16px;}
.footer-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-list a{font-size:14px;color:var(--t3);}
.footer-list a:hover{color:var(--c-brand);}
.footer-info{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.footer-info li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t3);line-height:1.7;}
.footer-info i{margin-top:5px;color:var(--c-brand);font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 24px 28px;border-top:1px solid rgba(255,255,255,.06);
}
@media (max-width:575px){.footer-bottom{padding:18px 16px 26px;}}
.footer-bottom span{font-size:13px;color:var(--t3);letter-spacing:.02em;}
.footer-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:var(--t3);}
.footer-links a:hover{color:var(--c-brand);}

/* ============ responsive nav ============ */
@media (max-width:991px){
  .brandbar-inner{height:56px;gap:14px;}
  .nav-search{display:none;}
  .search-toggle{display:inline-flex;}
  .site-header.search-open .nav-search{
    display:flex;position:absolute;left:20px;right:20px;top:100%;margin-top:8px;max-width:none;
    background:rgba(8,17,30,.97);z-index:30;height:46px;
  }
  .channelbar-inner{height:46px;gap:10px;}
  .channel-tabs{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
    padding:0 4px;
  }
  .update-stamp{display:none;}
  .logo-text{font-size:17px;}
  .btn-glow{height:38px;padding:0 16px;font-size:14px;}
}
@media (max-width:575px){
  .channel-tab{padding:0 12px;font-size:13.5px;}
  .stat-inline{gap:16px;}
  .stat-inline .stat b{font-size:17px;}
  .timeline-wrap{padding:22px;}
  .link-panel{padding:22px;}
  .subscribe-card{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-void:#04070E;
  --c-deep:#08111E;
  --c-surface:rgba(255,255,255,.045);
  --c-surface-2:rgba(255,255,255,.075);
  --c-line:rgba(122,196,255,.14);
  --c-brand:#2FE3C4;
  --c-brand-2:#4C9BFF;
  --c-accent:#FF7A2F;
  --c-light-bg:#F2F6FA;
  --c-light-text:#0C1626;
  --t1:rgba(255,255,255,.96);
  --t2:rgba(206,222,240,.72);
  --t3:rgba(158,180,205,.5);
  --grad:linear-gradient(100deg,#2FE3C4,#4C9BFF);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.75);
  --shadow-hover:0 26px 56px -22px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(47,227,196,.40),0 10px 30px -8px rgba(47,227,196,.45);
  --bs-primary:#2FE3C4;
  --bs-body-bg:#04070E;
  --bs-body-color:rgba(255,255,255,.96);
  --bs-link-color:#2FE3C4;
  --bs-link-hover-color:#4C9BFF;
  --bs-border-color:rgba(122,196,255,.14);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:112px;
  background:var(--c-void);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1320px;margin-inline:auto;padding-inline:20px}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(4,7,14,.94);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(4,7,14,.82);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 1px 0 rgba(122,196,255,.10);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.45),rgba(76,155,255,.35),transparent);
  opacity:0;transition:opacity .3s ease;
}
.site-header.scrolled::after{opacity:1}

.brandbar{height:64px;display:flex;align-items:center}
.brandbar-inner{display:flex;align-items:center;gap:24px;width:100%}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  position:relative;width:28px;height:28px;border-radius:50%;
  background:var(--grad);flex:0 0 auto;
  box-shadow:0 0 18px -4px rgba(47,227,196,.6);
}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--c-void)}
.logo-mark::before{
  content:"";position:absolute;left:50%;top:-3px;width:2px;height:34px;
  background:var(--c-void);transform:translateX(-50%) rotate(30deg);
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.04em;color:var(--t1);white-space:nowrap}

.nav-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:10px;
  height:42px;padding:0 18px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .25s ease,background .25s ease;
}
.nav-search i{color:var(--t3);font-size:14px}
.nav-search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--t1);height:100%;
}
.nav-search input::placeholder{color:var(--t3)}
.nav-search:focus-within{border-color:rgba(47,227,196,.6);background:var(--c-surface-2)}

.brandbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-toggle{
  display:none;width:42px;height:42px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--t2);
  cursor:pointer;transition:background .25s ease,color .25s ease;
}
.search-toggle:hover{background:rgba(47,227,196,.10);color:var(--c-brand)}

.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 26px;border-radius:999px;
  background:var(--grad);color:#04120F;font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--glow);
  transition:transform .25s ease,filter .25s ease,box-shadow .25s ease;
  white-space:nowrap;
}
.btn-glow:hover{transform:translateY(-2px);filter:brightness(1.08);color:#04120F;
  box-shadow:0 0 0 1px rgba(47,227,196,.6),0 16px 38px -10px rgba(47,227,196,.6)}
.btn-glow:active{transform:translateY(0)}

.channelbar{height:48px;background:rgba(8,17,30,.6)}
.channelbar-inner{display:flex;align-items:center;gap:20px;height:100%}
.channel-tabs{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  position:relative;
}
.channel-tabs::-webkit-scrollbar{display:none}
.channel-tab{
  position:relative;display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:999px;font-size:14px;color:var(--t2);white-space:nowrap;
  transition:background .25s ease,color .25s ease;
}
.channel-tab:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.channel-tab.active{color:#fff}
.channel-tab.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-6px;height:2px;
  border-radius:2px;background:var(--grad);
  box-shadow:0 0 12px rgba(47,227,196,.7);
}
.update-stamp{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--t3);white-space:nowrap;font-variant-numeric:tabular-nums;
}
.update-stamp .dot{
  width:6px;height:6px;border-radius:50%;background:var(--c-brand);
  box-shadow:0 0 10px rgba(47,227,196,.9);animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ============ 频道识别 ============ */
.channel-rule{
  height:2px;width:100%;
  background:linear-gradient(90deg,rgba(47,227,196,0),#2FE3C4 18%,#4C9BFF 62%,rgba(76,155,255,0));
  opacity:.85;
}
.channel-head{padding:44px 0 8px}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--t3);margin-bottom:18px;
}
.crumb a{color:var(--t3);transition:color .2s ease}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:rgba(158,180,205,.35)}
.crumb .current{color:var(--t2)}

.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--c-brand);
  margin-bottom:12px;text-transform:uppercase;
}
.channel-head h1{
  font-size:clamp(30px,5vw,62px);font-weight:800;line-height:1.15;letter-spacing:-.01em;
}
.channel-head h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.channel-lede{
  max-width:720px;margin-top:18px;font-size:17px;line-height:1.9;color:var(--t2);
}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 18px;
  border-radius:999px;background:var(--c-surface);border:1px solid var(--c-line);
  font-size:14px;color:var(--t2);transition:all .25s ease;
}
.anchor-pill:hover{color:var(--c-brand);border-color:rgba(47,227,196,.55);background:rgba(47,227,196,.08);transform:translateY(-2px)}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-sm{padding:56px 0}
.section-title{margin-bottom:28px}
.section-title .kicker{
  display:block;font-size:12px;letter-spacing:.22em;color:var(--t3);margin-bottom:8px;
}
.section-title h2{font-size:clamp(22px,2.6vw,34px);font-weight:700;line-height:1.25}
.section-title p{margin-top:10px;color:var(--t2);font-size:15px;max-width:640px}

.card-base{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card-base:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,227,196,.45)}

.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;white-space:nowrap;
}
.tag-brand{background:rgba(47,227,196,.12);color:var(--c-brand)}
.tag-accent{background:rgba(255,122,47,.10);color:var(--c-accent)}
.tag-plain{background:rgba(255,255,255,.06);color:var(--t2)}

/* ============ 分栏主体 ============ */
.split-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.col-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow-card);
}
.col-card h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;margin-bottom:16px}
.col-card h3{font-size:18px;font-weight:600;margin:28px 0 14px;display:flex;align-items:center;gap:10px}
.col-card h3::before{
  content:"";width:4px;height:18px;border-radius:2px;background:var(--grad);flex:0 0 auto;
}
.col-card p{color:var(--t2);font-size:15.5px;line-height:1.95}
.col-card p + p{margin-top:14px}

.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.03);border:1px solid rgba(122,196,255,.10);
  font-size:15px;color:var(--t2);
  transition:border-color .25s ease,background .25s ease;
}
.check-list li:hover{border-color:rgba(47,227,196,.4);background:rgba(47,227,196,.05)}
.check-list i{color:var(--c-brand);font-size:13px;margin-top:6px;flex:0 0 auto}

.steps{margin-top:16px;display:grid;gap:0}
.step{
  position:relative;padding:0 0 22px 42px;
  border-left:1px solid rgba(122,196,255,.18);
}
.step:last-child{border-left-color:transparent;padding-bottom:0}
.step .num{
  position:absolute;left:-15px;top:-2px;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-deep);border:1px solid rgba(47,227,196,.5);
  color:var(--c-brand);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step strong{display:block;font-size:15.5px;font-weight:600;color:var(--t1);margin-bottom:4px}
.step span{font-size:14px;color:var(--t3);line-height:1.8}

/* 登录卡 */
.login-card{
  border-radius:var(--r-lg);padding:26px;
  background:linear-gradient(160deg,rgba(47,227,196,.10),rgba(76,155,255,.05) 46%,rgba(255,255,255,.04));
  border:1px solid rgba(47,227,196,.30);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.login-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.login-card .sub{font-size:13.5px;color:var(--t3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--t2);margin-bottom:8px;letter-spacing:.02em}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--c-line);
  color:var(--t1);outline:none;transition:border-color .25s ease,box-shadow .25s ease;
}
.field input::placeholder{color:var(--t3)}
.field input:focus{
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(47,227,196,.15);
}
.field .hint{font-size:13px;color:var(--c-accent);margin-top:6px;display:none}
.field.error input{border-color:rgba(255,122,47,.65)}
.field.error .hint{display:block}
.login-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:4px 0 20px;font-size:13.5px;color:var(--t3)}
.login-row label{display:inline-flex;align-items:center;gap:8px;cursor:pointer}
.login-row input[type="checkbox"]{accent-color:#2FE3C4;width:15px;height:15px}
.login-row a{color:var(--t2);border-bottom:1px dashed rgba(158,180,205,.5)}
.login-row a:hover{color:var(--c-brand);border-color:var(--c-brand)}
.btn-submit{
  width:100%;height:50px;border:0;border-radius:999px;cursor:pointer;
  background:var(--grad);color:#04120F;font-weight:700;font-size:16px;letter-spacing:.03em;
  box-shadow:var(--glow);transition:transform .25s ease,filter .25s ease;
}
.btn-submit:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-submit:active{transform:translateY(0)}
.login-note{margin-top:16px;font-size:13px;color:var(--t3);line-height:1.8}

.benefit-list{margin-top:26px;padding-top:22px;border-top:1px dashed rgba(122,196,255,.18)}
.benefit-list h4{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--t1)}
.benefit-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--t2);
  padding:9px 0;
}
.benefit-list i{color:var(--c-accent);font-size:12px;margin-top:7px}

.timeline-mini{margin-top:22px;padding-top:20px;border-top:1px dashed rgba(122,196,255,.18)}
.timeline-mini h4{font-size:15px;font-weight:600;margin-bottom:14px}
.timeline-mini .tl{
  display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;
}
.timeline-mini .tl::-webkit-scrollbar{display:none}
.timeline-mini .tl-item{
  flex:0 0 auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--t2);white-space:nowrap;
}
.timeline-mini .tl-item .idx{
  width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(47,227,196,.12);color:var(--c-brand);font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.timeline-mini .tl-sep{
  flex:0 0 auto;width:26px;height:1px;margin:0 8px;
  background:linear-gradient(90deg,rgba(47,227,196,.6),rgba(76,155,255,.2));
}

/* ============ 账户能力 ============ */
.cap-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px}
.cap-card{border-radius:var(--r-lg);padding:26px;border:1px solid var(--c-line);background:var(--c-surface)}
.cap-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.cap-card .cap-sub{font-size:13px;color:var(--t3);margin-bottom:20px}

.cap-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cap-stat{
  padding:16px 12px;border-radius:var(--r-sm);text-align:center;
  background:rgba(47,227,196,.06);border:1px solid rgba(47,227,196,.18);
}
.cap-stat b{
  display:block;font-size:26px;font-weight:800;line-height:1.2;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.cap-stat span{display:block;font-size:12px;color:var(--t3);margin-top:6px}
.cap-foot{margin-top:18px;font-size:13.5px;color:var(--t3);line-height:1.8}

.log-list{margin-top:4px}
.log-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed rgba(122,196,255,.14);
  font-size:14px;color:var(--t2);
}
.log-list li:last-child{border-bottom:0}
.log-list .log-time{color:var(--t3);font-size:12.5px;font-variant-numeric:tabular-nums;white-space:nowrap}

.secure-card{
  border:1px solid rgba(255,122,47,.28);
  background:linear-gradient(170deg,rgba(255,122,47,.07),rgba(255,255,255,.03));
}
.secure-list li{
  display:flex;align-items:center;gap:12px;padding:13px 0;
  border-bottom:1px dashed rgba(122,196,255,.14);font-size:14px;color:var(--t2);
}
.secure-list li:last-child{border-bottom:0}
.secure-list .ic{
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);color:var(--c-brand);font-size:13px;flex:0 0 auto;
}
.secure-list .st{margin-left:auto;font-size:12px;color:var(--c-brand);white-space:nowrap}

/* ============ 场景横滑 ============ */
.scene-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 22px;margin-inline:-6px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.scene-track::-webkit-scrollbar{display:none}
.scene-card{
  flex:0 0 300px;scroll-snap-align:start;
  border-radius:var(--r-md);overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(47,227,196,.5)}
.scene-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:filter .35s ease}
.scene-thumb::after{content:"";position:absolute;inset:0;background:rgba(4,7,14,.35)}
.scene-card:hover .scene-thumb img{filter:brightness(1.08)}
.scene-body{padding:18px 20px 22px}
.scene-body h3{font-size:16px;font-weight:600;margin-bottom:8px}
.scene-body p{font-size:13.5px;color:var(--t2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.scene-tags{display:flex;gap:8px;margin-top:14px}

/* ============ 浅色反白区 ============ */
.light-zone{
  background:var(--c-light-bg);color:var(--c-light-text);
  padding:72px 0;border-top:1px solid #DDE6F1;border-bottom:1px solid #DDE6F1;
}
.light-zone .section-title .kicker{color:#6B7C93}
.light-zone .section-title p{color:#42536B}
.light-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:start}
.light-zone h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:var(--c-light-text)}
.light-zone h3{font-size:17px;font-weight:600;color:var(--c-light-text);margin-bottom:16px}

.accordion-item{
  background:#fff;border:1px solid #DAE4F0;border-radius:14px !important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:#fff;color:var(--c-light-text);font-size:15.5px;font-weight:600;
  padding:18px 20px;border:0;box-shadow:none;border-radius:14px;
  transition:background .25s ease;
}
.accordion-button:not(.collapsed){background:#E9F5F2;color:var(--c-light-text);box-shadow:none}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(47,227,196,.25);border:0}
.accordion-button::after{
  background-image:none;content:"";width:9px;height:9px;
  border-right:2px solid #0C1626;border-bottom:2px solid #0C1626;
  transform:rotate(45deg);transition:transform .25s ease;margin-left:auto;flex:0 0 auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.accordion-body{padding:4px 20px 20px;font-size:14.5px;line-height:1.85;color:#3C4C63}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--c-brand);
}

.guide-card{
  background:#fff;border:1px solid #DAE4F0;border-radius:16px;padding:26px;
  box-shadow:0 18px 40px -28px rgba(12,22,38,.4);
}
.guide-card + .guide-card{margin-top:18px}
.guide-list li{
  display:flex;align-items:center;gap:12px;padding:12px 0;
  border-bottom:1px dashed #E1E9F2;font-size:14.5px;color:#33445C;
}
.guide-list li:last-child{border-bottom:0}
.guide-list a{color:#0C1626;font-weight:500;transition:color .2s ease}
.guide-list a:hover{color:#0E9E86}
.guide-list i{color:#0E9E86;font-size:12px}
.guide-list .arrow{margin-left:auto;color:#9AAABE;font-size:12px}

/* ============ CTA ============ */
.cta-band{padding:72px 0}
.cta-box{
  position:relative;overflow:hidden;
  border-radius:24px;padding:44px;
  background:linear-gradient(120deg,rgba(47,227,196,.14),rgba(76,155,255,.08) 55%,rgba(255,255,255,.03));
  border:1px solid rgba(47,227,196,.26);
  box-shadow:var(--shadow-card);
}
.cta-box::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(47,227,196,.18);
}
.cta-box::after{
  content:"";position:absolute;right:-30px;top:-30px;width:180px;height:180px;border-radius:50%;
  border:1px solid rgba(76,155,255,.16);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;margin-bottom:12px}
.cta-inner p{color:var(--t2);font-size:15px;line-height:1.9;max-width:520px}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form input{
  flex:1 1 220px;height:50px;padding:0 18px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--c-line);color:var(--t1);outline:none;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.subscribe-form input::placeholder{color:var(--t3)}
.subscribe-form input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(47,227,196,.15)}
.subscribe-form button{
  flex:0 0 auto;height:50px;padding:0 30px;border:0;border-radius:999px;cursor:pointer;
  background:var(--grad);color:#04120F;font-weight:700;letter-spacing:.03em;
  box-shadow:var(--glow);transition:transform .25s ease,filter .25s ease;
}
.subscribe-form button:hover{transform:translateY(-2px);filter:brightness(1.08)}
.subscribe-tip{margin-top:12px;font-size:13px;color:var(--t3)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-deep);border-top:1px solid rgba(122,196,255,.12);
  padding:64px 0 0;position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,227,196,.5),rgba(76,155,255,.3),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-text{font-size:18px;font-weight:800}
.footer-col p{font-size:14px;color:var(--t2);line-height:1.9}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--t1)}
.footer-list li{margin-bottom:11px}
.footer-list a{font-size:14px;color:var(--t2);transition:color .2s ease,padding-left .2s ease}
.footer-list a:hover{color:var(--c-brand);padding-left:4px}
.footer-info li{display:flex;gap:10px;font-size:14px;color:var(--t2);margin-bottom:12px;line-height:1.8}
.footer-info i{color:var(--c-brand);font-size:13px;margin-top:6px;flex:0 0 auto}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 28px;border-top:1px solid rgba(122,196,255,.10);
  font-size:13px;color:var(--t3);
}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:var(--t3);transition:color .2s ease}
.footer-links a:hover{color:var(--c-brand)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .split-grid{grid-template-columns:1fr;gap:28px}
  .cap-grid{grid-template-columns:1fr 1fr}
  .cap-grid .cap-card:first-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .brandbar{height:56px}
  body{padding-top:104px}
  .nav-search{max-width:280px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr}
  .light-grid{grid-template-columns:1fr;gap:28px}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .light-zone{padding:56px 0}
  .cta-band{padding:56px 0}
}
@media (max-width:767px){
  .nav-search{
    position:absolute;left:16px;right:16px;top:58px;max-width:none;
    display:none;background:rgba(8,17,30,.98);height:48px;
  }
  .site-header.search-open .nav-search{display:flex}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center}
  .btn-glow{height:38px;padding:0 18px;font-size:14px}
  .logo-text{font-size:18px}
  .channelbar{height:44px}
  body{padding-top:100px}
  .channel-tabs{mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent);
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 24px,#000 calc(100% - 24px),transparent)}
  .update-stamp{display:none}
  .channel-head{padding:32px 0 4px}
  .channel-lede{font-size:15.5px}
  .col-card{padding:22px}
  .cap-grid{grid-template-columns:1fr}
  .cap-stats{grid-template-columns:1fr 1fr}
  .scene-card{flex:0 0 220px}
  .cta-box{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .anchor-pills{gap:8px}
  .anchor-pill{height:32px;padding:0 14px;font-size:13px}
  .cap-stats{grid-template-columns:1fr 1fr}
  .subscribe-form button{width:100%}
  .step{padding-left:36px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}