/* roulang page: index */
:root{
  --c-bg:#060B16;
  --c-bg-2:#0A1222;
  --c-panel:#0E1729;
  --c-panel-2:#131F36;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(22,224,166,.35);
  --c-primary:#16E0A6;
  --c-primary-dim:rgba(22,224,166,.14);
  --c-accent:#FFC453;
  --c-danger:#FF5470;
  --c-text:#EEF4FF;
  --c-text-2:#A7B6CF;
  --c-text-3:#6C7E9A;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(3,8,18,.5);
  --sh-2:0 18px 40px -18px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(22,224,166,.35),0 10px 30px -8px rgba(22,224,166,.45);
  --font-num:ui-monospace,"Bahnschrift","DIN Alternate","SFMono-Regular",monospace;
  --bs-body-bg:#060B16;
  --bs-body-color:#EEF4FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#16E0A6;
  --bs-secondary:#A7B6CF;
  --bs-border-radius:12px;
  --bs-link-color:#16E0A6;
  --bs-link-hover-color:#5BF0C6;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;}
a:hover{color:var(--c-primary);}
button,input{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--c-text);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.section{padding:96px 0;}
@media (max-width:991px){.section{padding:72px 0;}}
@media (max-width:575px){.section{padding:56px 0;}.container{padding:0 18px;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.25;display:flex;align-items:center;gap:14px;}
.sec-head h2::before{content:"";width:4px;height:26px;background:var(--c-primary);border-radius:2px;display:inline-block;}
.sec-head .more-link{font-size:14px;color:var(--c-text-2);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.sec-head .more-link i{transition:transform .18s ease-out;}
.sec-head .more-link:hover{color:var(--c-primary);}
.sec-head .more-link:hover i{transform:translateX(4px);}
.eyebrow{font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--c-accent);text-transform:uppercase;margin-bottom:14px;}
.lead{color:var(--c-text-2);font-size:17px;line-height:1.9;}
.meta{font-size:13px;letter-spacing:.04em;color:var(--c-text-3);}
.mono{font-family:var(--font-num);}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:1030;}
.nav-top{background:rgba(6,11,22,.78);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border-bottom:1px solid var(--c-line);}
.nav-top-inner{height:68px;display:flex;align-items:center;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{position:relative;width:26px;height:26px;background:linear-gradient(135deg,var(--c-primary),#0AA37A);border-radius:8px 8px 8px 2px;transform:skewX(-8deg);display:inline-block;box-shadow:0 0 0 1px rgba(22,224,166,.35);}
.brand-mark::after{content:"";position:absolute;right:3px;bottom:3px;width:6px;height:6px;border-radius:50%;background:#04140F;}
.brand-text{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--c-text);}
.brand:hover .brand-text{color:var(--c-primary);}
.main-nav{display:none;align-items:center;gap:6px;margin-left:8px;}
@media (min-width:992px){.main-nav{display:flex;}}
.main-nav a{font-size:15px;color:var(--c-text-2);padding:8px 12px;border-radius:10px;}
.main-nav a:hover{color:var(--c-text);background:rgba(255,255,255,.05);}
.main-nav a.active{color:var(--c-primary);background:var(--c-primary-dim);}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{display:none;position:relative;}
@media (min-width:992px){.nav-search{display:block;}}
.nav-search input{width:240px;height:40px;padding:0 42px 0 14px;background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:var(--r-pill);color:var(--c-text);font-size:14px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.nav-search button{position:absolute;right:4px;top:4px;width:32px;height:32px;border:0;border-radius:50%;background:transparent;color:var(--c-text-3);cursor:pointer;}
.nav-search button:hover{color:var(--c-primary);background:var(--c-primary-dim);}
.btn-glow{display:none;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--r-btn);border:0;background:linear-gradient(135deg,#16E0A6,#0FB8CE);color:#04140F;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 8px 22px -10px rgba(22,224,166,.7);transition:transform .18s ease-out,box-shadow .24s ease-out;}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);color:#04140F;}
.btn-glow:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
@media (min-width:992px){.btn-glow{display:inline-flex;}}
.hamburger{width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:var(--c-panel);color:var(--c-text);font-size:17px;cursor:pointer;}
.hamburger:hover{border-color:var(--c-primary);color:var(--c-primary);}
@media (min-width:992px){.hamburger{display:none;}}
.mobile-drawer{display:none;background:var(--c-bg-2);border-bottom:1px solid var(--c-line);padding:16px 0 22px;}
body.nav-open .mobile-drawer{display:block;}
.mobile-drawer a{display:block;padding:13px 4px;font-size:16px;color:var(--c-text-2);border-bottom:1px solid var(--c-line);}
.mobile-drawer a:hover,.mobile-drawer a.active{color:var(--c-primary);}
.mobile-drawer .drawer-cta{margin-top:18px;display:flex;justify-content:center;width:100%;}
.nav-channels{background:rgba(10,18,34,.86);border-bottom:1px solid var(--c-line);position:relative;}
.channels-scroll{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;}
.channels-scroll::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;scroll-snap-align:start;font-size:14px;padding:7px 16px;border-radius:var(--r-pill);border:1px solid transparent;color:var(--c-text-2);position:relative;white-space:nowrap;}
.chip:hover{background:rgba(255,255,255,.05);color:var(--c-text);}
.chip.active{background:var(--c-primary-dim);color:var(--c-primary);border-color:rgba(22,224,166,.4);}
.chip.active::after{content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;background:var(--c-primary);border-radius:2px;}
.nav-channels::after{content:"";position:absolute;right:0;top:0;bottom:0;width:40px;pointer-events:none;background:linear-gradient(90deg,rgba(10,18,34,0),rgba(10,18,34,.95));}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;background-image:linear-gradient(120deg,rgba(6,11,22,.94) 0%,rgba(6,11,22,.86) 45%,rgba(6,11,22,.78) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;border-bottom:1px solid var(--c-line);}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:52px 52px;pointer-events:none;}
.hero-inner{position:relative;z-index:2;padding:88px 0 92px;display:grid;grid-template-columns:1fr;gap:48px;}
@media (min-width:992px){.hero-inner{grid-template-columns:7fr 5fr;gap:56px;padding:96px 0 104px;align-items:start;}}
.hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.15;font-weight:700;letter-spacing:-.02em;margin-bottom:22px;}
.hero h1 .hl{color:var(--c-primary);}
.hero-sub{color:var(--c-text-2);font-size:17px;line-height:1.9;max-width:560px;margin-bottom:32px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:16px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .18s ease-out,box-shadow .24s ease-out,border-color .18s ease-out,background-color .18s ease-out,color .18s ease-out;}
.btn-primary-glow{background:linear-gradient(135deg,#16E0A6,#0FB8CE);color:#04140F;box-shadow:0 10px 28px -12px rgba(22,224,166,.75);}
.btn-primary-glow:hover{transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);color:#04140F;}
.btn-primary-glow:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-text);}
.btn-ghost:hover{border-color:var(--c-primary);background:var(--c-primary-dim);color:var(--c-primary);transform:translateY(-2px);}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 24px;padding-top:28px;border-top:1px solid var(--c-line);}
@media (min-width:576px){.hero-stats{grid-template-columns:repeat(4,1fr);}}
.stat-num{font-family:var(--font-num);font-size:26px;color:var(--c-accent);line-height:1.2;letter-spacing:.02em;}
.stat-label{font-size:13px;color:var(--c-text-3);letter-spacing:.04em;margin-top:6px;}
.glass-card{background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--c-line);border-radius:var(--r-panel);padding:28px;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);box-shadow:var(--sh-2);position:relative;}
@supports not (backdrop-filter:blur(1px)){.glass-card{background:var(--c-panel);}}
.glass-card::before{content:"";position:absolute;left:0;top:0;width:64px;height:3px;background:var(--c-primary);border-radius:20px 0 0 0;}
.glass-card h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.glass-card .panel-note{font-size:13px;color:var(--c-text-3);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--c-text-3);margin-bottom:7px;letter-spacing:.04em;}
.field input{width:100%;height:44px;padding:0 14px;background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:12px;color:var(--c-text);font-size:15px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.field input::placeholder{color:var(--c-text-3);}
.field input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.check-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 20px;font-size:14px;color:var(--c-text-2);}
.check-row label{display:inline-flex;align-items:center;gap:8px;cursor:pointer;}
.check-row input{width:16px;height:16px;accent-color:#16E0A6;}
.check-row a{color:var(--c-text-2);border-bottom:1px dashed var(--c-line);}
.check-row a:hover{color:var(--c-primary);border-color:var(--c-primary);}
.form-btn{width:100%;height:46px;border:0;border-radius:12px;background:linear-gradient(135deg,#16E0A6,#0FB8CE);color:#04140F;font-size:16px;font-weight:600;cursor:pointer;transition:transform .18s ease-out,box-shadow .24s ease-out;}
.form-btn:hover{transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);}
.form-btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.form-hint{margin-top:14px;font-size:13px;color:var(--c-text-3);text-align:center;}

/* ============ 主张条 ============ */
.claim-bar{background:var(--c-bg-2);border-bottom:1px solid var(--c-line);}
.claim-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:26px 0;min-height:96px;}
.claim-text{display:flex;align-items:center;gap:16px;font-size:18px;font-weight:600;color:var(--c-text);}
.claim-text::before{content:"";width:2px;height:28px;background:var(--c-primary);border-radius:2px;}
.claim-link{font-size:14px;color:var(--c-primary);display:inline-flex;align-items:center;gap:8px;}
.claim-link i{transition:transform .18s ease-out;}
.claim-link:hover i{transform:translateX(4px);}

/* ============ 理念图文 ============ */
.split{display:grid;grid-template-columns:1fr;gap:44px;align-items:center;}
@media (min-width:992px){.split{grid-template-columns:1fr 1fr;gap:64px;}}
.split-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-2);}
.split-figure img{width:100%;height:340px;object-fit:cover;}
.split-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(6,11,22,.1),rgba(6,11,22,.55));}
.split-figure .tag-corner{position:absolute;left:0;bottom:0;z-index:2;padding:8px 18px;background:rgba(6,11,22,.82);border-top:1px solid var(--c-line-strong);border-right:1px solid var(--c-line-strong);border-radius:0 12px 0 0;font-size:13px;color:var(--c-accent);font-family:var(--font-num);letter-spacing:.06em;}
.num-block{display:flex;gap:18px;padding:22px 0;border-top:1px solid var(--c-line);}
.num-block:first-of-type{border-top:0;padding-top:0;}
.num-block .idx{font-family:var(--font-num);font-size:22px;color:var(--c-accent);line-height:1.4;flex:0 0 44px;}
.num-block h4{font-size:17px;font-weight:600;margin-bottom:6px;}
.num-block p{font-size:15px;line-height:1.8;color:var(--c-text-2);}

/* ============ 精选内容 ============ */
.featured-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:992px){.featured-grid{grid-template-columns:1.35fr 1fr;}}
.feature-main{display:block;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s ease-out,transform .18s ease-out;}
.feature-main:hover{border-color:var(--c-line-strong);transform:translateY(-2px);}
.feature-main .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.feature-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.feature-main:hover .thumb img{transform:scale(1.04);}
.feature-main .body{padding:24px;}
.feature-main h3{font-size:21px;font-weight:600;line-height:1.4;margin:14px 0 10px;}
.feature-main p{font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-list{display:grid;gap:24px;}
.side-card{display:flex;gap:18px;padding:20px;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);transition:border-color .18s ease-out,transform .18s ease-out;}
.side-card:hover{border-color:var(--c-line-strong);transform:translateY(-2px);}
.side-card img{width:96px;height:96px;flex:0 0 96px;object-fit:cover;border-radius:14px;}
.side-card h3{font-size:17px;font-weight:600;line-height:1.5;margin:10px 0 8px;}
.side-card .meta{display:block;}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 12px;border-radius:var(--r-pill);background:var(--c-primary-dim);color:var(--c-primary);border:1px solid rgba(22,224,166,.35);letter-spacing:.02em;}
.pill-amber{background:rgba(255,196,83,.12);color:var(--c-accent);border-color:rgba(255,196,83,.32);}

/* ============ 最新信息列表 ============ */
.list-wrap{border-top:1px solid var(--c-line);}
.post-item{display:flex;align-items:flex-start;gap:24px;padding:26px 4px;border-bottom:1px solid var(--c-line);transition:border-color .18s ease-out,transform .18s ease-out,background-color .18s ease-out;}
.post-item:hover{border-color:var(--c-line-strong);transform:translateY(-2px);background:rgba(255,255,255,.012);}
.post-index{font-family:var(--font-num);font-size:22px;color:var(--c-accent);flex:0 0 44px;line-height:1.4;}
.post-body{flex:1 1 auto;min-width:0;}
.post-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:12px 0 8px;color:var(--c-text);}
.post-item:hover h3{color:var(--c-primary);}
.post-body p{font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-tail{display:flex;flex-direction:column;align-items:flex-end;gap:14px;flex:0 0 auto;}
.post-time{font-size:13px;color:var(--c-text-3);font-family:var(--font-num);letter-spacing:.04em;white-space:nowrap;}
.post-arrow{color:var(--c-text-3);font-size:14px;transition:transform .18s ease-out,color .18s ease-out;}
.post-item:hover .post-arrow{color:var(--c-primary);transform:translateX(4px);}
@media (max-width:575px){
  .post-item{gap:14px;padding:20px 2px;}
  .post-index{flex:0 0 30px;font-size:17px;}
  .post-body h3{font-size:16px;}
  .post-tail{display:none;}
}
.empty-state{text-align:center;padding:68px 20px;}
.empty-state i{font-size:34px;color:var(--c-text-3);}
.empty-state .empty-title{margin-top:16px;font-size:16px;color:var(--c-text-2);}
.empty-state .empty-sub{margin-top:8px;font-size:13px;color:var(--c-text-3);}

/* ============ 信任背书 ============ */
.bg-alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.logo-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:34px;}
@media (min-width:768px){.logo-row{grid-template-columns:repeat(5,1fr);}}
.logo-item{height:66px;display:flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:14px;background:var(--c-panel);color:var(--c-text-2);font-size:14px;letter-spacing:.06em;filter:grayscale(60%);opacity:.6;transition:filter .24s ease-out,opacity .24s ease-out,border-color .24s ease-out,color .24s ease-out;}
.logo-item:hover{filter:grayscale(0);opacity:1;border-color:var(--c-line-strong);color:var(--c-text);}
.trust-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:992px){.trust-grid{grid-template-columns:1.5fr 1fr;}}
.trust-card{background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px;}
.trust-card h3{font-size:19px;font-weight:600;margin-bottom:14px;}
.trust-card p{font-size:15px;line-height:1.85;color:var(--c-text-2);}
.trust-card .big-num{font-family:var(--font-num);font-size:40px;color:var(--c-primary);line-height:1.1;margin-bottom:10px;}
.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:22px;}
.mini-cell{border-left:2px solid var(--c-line-strong);padding-left:14px;}
.mini-cell strong{display:block;font-family:var(--font-num);font-size:20px;color:var(--c-accent);font-weight:500;}
.mini-cell span{font-size:13px;color:var(--c-text-3);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:20px 4px;font-size:16px;font-weight:500;color:var(--c-text);transition:color .18s ease-out;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q-idx{font-family:var(--font-num);font-size:14px;color:var(--c-accent);flex:0 0 32px;}
.faq-item summary .q-text{flex:1 1 auto;}
.faq-item summary .q-icon{flex:0 0 auto;width:26px;height:26px;display:flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:8px;color:var(--c-text-2);font-size:15px;transition:transform .24s ease-out,color .18s ease-out,border-color .18s ease-out;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary:hover .q-icon{color:var(--c-primary);border-color:var(--c-line-strong);}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary .q-icon{transform:rotate(45deg);color:var(--c-primary);border-color:var(--c-line-strong);}
.faq-answer{padding:0 4px 20px 52px;font-size:15px;line-height:1.8;color:var(--c-text-2);}
@media (max-width:575px){.faq-answer{padding-left:4px;}}

/* ============ CTA 条带 ============ */
.cta-band{position:relative;border:1px solid var(--c-line);border-radius:var(--r-panel);padding:40px;overflow:hidden;background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
@supports not (backdrop-filter:blur(1px)){.cta-band{background:var(--c-panel);}}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;background:radial-gradient(circle,rgba(22,224,166,.22),transparent 65%);pointer-events:none;}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;}
@media (min-width:992px){.cta-inner{grid-template-columns:1fr 1fr;gap:40px;}}
.cta-inner h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;margin-bottom:10px;}
.cta-inner .cta-desc{font-size:15px;color:var(--c-text-2);}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{flex:1 1 220px;height:46px;padding:0 16px;background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:12px;color:var(--c-text);font-size:15px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.cta-form input::placeholder{color:var(--c-text-3);}
.cta-form input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.cta-note{font-size:12px;color:var(--c-text-3);margin-top:12px;}

/* ============ FOOTER ============ */
.site-footer{background:#060B16;border-top:1px solid var(--c-line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px;padding-bottom:44px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:48px;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-text-2);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--c-text);letter-spacing:.02em;}
.footer-col a{display:block;font-size:14px;color:var(--c-text-2);padding:6px 0;transition:color .18s ease-out,transform .18s ease-out;}
.footer-col a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-sub-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.footer-sub-row input{flex:1 1 160px;height:44px;padding:0 14px;background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:12px;color:var(--c-text);font-size:14px;outline:none;}
.footer-sub-row input::placeholder{color:var(--c-text-3);}
.footer-sub-row input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.footer-sub-row button{height:44px;padding:0 20px;border:0;border-radius:12px;background:linear-gradient(135deg,#16E0A6,#0FB8CE);color:#04140F;font-size:14px;font-weight:600;cursor:pointer;transition:transform .18s ease-out,box-shadow .24s ease-out;}
.footer-sub-row button:hover{transform:translateY(-2px);box-shadow:0 12px 30px -8px rgba(22,224,166,.55);}
.footer-bottom{border-top:1px solid var(--c-line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:var(--c-text-3);}
.footer-bottom a{color:var(--c-text-3);}
.footer-bottom a:hover{color:var(--c-primary);}
::selection{background:rgba(22,224,166,.3);color:#fff;}

/* roulang page: article */
:root{
  --c-bg:#060B16;
  --c-bg-2:#0A1222;
  --c-panel:#0E1729;
  --c-panel-2:#131F36;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(22,224,166,.35);
  --c-primary:#16E0A6;
  --c-primary-dim:rgba(22,224,166,.14);
  --c-accent:#FFC453;
  --c-danger:#FF5470;
  --c-text:#EEF4FF;
  --c-text-2:#A7B6CF;
  --c-text-3:#6C7E9A;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(3,8,18,.5);
  --sh-2:0 18px 40px -18px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(22,224,166,.35),0 10px 30px -8px rgba(22,224,166,.45);
  --font-num:ui-monospace,"Bahnschrift","DIN Alternate",monospace;
  --bs-body-bg:var(--c-bg);
  --bs-body-color:var(--c-text);
  --bs-border-color:var(--c-line);
  --bs-primary:var(--c-primary);
  --bs-link-color:var(--c-primary);
  --bs-link-hover-color:var(--c-primary);
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;}
button,input{font:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:575px){.container{padding:0 18px;}}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* 导航 */
.site-header{position:relative;z-index:1030;}
.nav-bar{
  position:sticky;top:0;z-index:1030;height:68px;
  background:rgba(6,11,22,.78);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{height:68px;display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.brand-mark{
  width:22px;height:22px;flex:0 0 22px;
  background:linear-gradient(135deg,var(--c-primary),#0FA9C8);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
  box-shadow:0 0 16px -2px rgba(22,224,166,.7);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;right:4px;bottom:4px;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.brand:hover .brand-text{color:var(--c-primary);}
.nav-search{margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:10px;width:240px;height:44px;
  background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:999px;padding:0 16px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-box i{color:var(--c-text-3);font-size:14px;}
.search-box input{background:none;border:0;outline:none;color:var(--c-text);width:100%;font-size:14px;}
.search-box input::placeholder{color:var(--c-text-3);}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--c-primary),#12B7D6);
  color:#04140F;font-weight:700;font-size:15px;line-height:1;
  box-shadow:0 6px 20px -8px rgba(22,224,166,.55);
  transition:transform .18s ease-out,box-shadow .24s ease-out;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);color:#04140F;}
.btn-glow:active{transform:translateY(0);}
.btn-glow.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:transparent;color:var(--c-text);font-weight:600;font-size:15px;line-height:1;
  transition:border-color .18s ease-out,background-color .18s ease-out,transform .18s ease-out;
}
.btn-ghost:hover{border-color:var(--c-line-strong);background:var(--c-primary-dim);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost.btn-sm{padding:9px 18px;font-size:14px;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);border:1px solid var(--c-line);background:var(--c-panel-2);color:var(--c-text-2);
}
.icon-btn:hover{border-color:var(--c-line-strong);color:var(--c-primary);}
.nav-tabs-wrap{background:rgba(10,18,34,.6);border-bottom:1px solid var(--c-line);}
.nav-tabs-wrap .container{position:relative;}
.main-nav{
  display:flex;gap:8px;overflow-x:auto;padding:8px 0;
  scroll-snap-type:x proximity;scrollbar-width:none;-webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 40px),transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 40px),transparent 100%);
}
.main-nav::-webkit-scrollbar{display:none;}
.main-nav a{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  padding:7px 16px 9px;border-radius:999px;font-size:14px;color:var(--c-text-2);
  border:1px solid transparent;white-space:nowrap;
}
.main-nav a:hover{background:rgba(255,255,255,.05);color:var(--c-text);}
.main-nav a.active{background:var(--c-primary-dim);color:var(--c-primary);border-color:var(--c-line-strong);}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.mob-drawer{background:var(--c-bg-2) !important;color:var(--c-text);--bs-offcanvas-width:300px;}
.mob-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);}
.mob-drawer .btn-close{filter:invert(1) grayscale(1);opacity:.7;}
.mob-links{display:flex;flex-direction:column;gap:4px;margin:18px 0;}
.mob-links a{padding:12px 14px;border-radius:var(--r-btn);color:var(--c-text-2);font-size:15px;}
.mob-links a:hover{background:rgba(255,255,255,.05);color:var(--c-primary);}

/* 文章首屏 */
.article-hero{
  position:relative;padding:44px 0 40px;border-bottom:1px solid var(--c-line);
  background:
    linear-gradient(180deg,rgba(6,11,22,.86),rgba(6,11,22,.96)),
    repeating-linear-gradient(0deg,rgba(255,255,255,.028) 0 1px,transparent 1px 46px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.028) 0 1px,transparent 1px 46px),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);margin-bottom:20px;}
.breadcrumb-line a{color:var(--c-text-3);}
.breadcrumb-line a:hover{color:var(--c-primary);}
.breadcrumb-line .sep{color:rgba(255,255,255,.22);}
.breadcrumb-line .cur{color:var(--c-text-2);}
.article-title{
  position:relative;padding-left:20px;
  font-size:clamp(30px,4.6vw,46px);font-weight:700;line-height:1.15;letter-spacing:-.02em;
  max-width:960px;
}
.article-title::before{
  content:"";position:absolute;left:0;top:.12em;bottom:.12em;width:8px;
  background:linear-gradient(180deg,var(--c-primary),#0FA9C8);
  clip-path:polygon(0 0,100% 10%,100% 100%,0 90%);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13px;letter-spacing:.04em;color:var(--c-text-3);}
.meta-row .num{font-family:var(--font-num);color:var(--c-text-2);}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;letter-spacing:.04em;background:var(--c-primary-dim);color:var(--c-primary);
  border:1px solid var(--c-line-strong);
}
.pill-amber{background:rgba(255,196,83,.12);color:var(--c-accent);border-color:rgba(255,196,83,.32);}
.article-cover{
  margin-top:30px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);
  aspect-ratio:16/9;background:var(--c-panel);box-shadow:var(--sh-2);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* 主体布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;padding:56px 0 88px;}
@media (min-width:992px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;}
}
@media (max-width:991px){
  .article-layout{padding:44px 0 64px;}
}
.article-main{max-width:780px;min-width:0;}
.article-body{font-size:17px;line-height:1.9;color:#DCE6F5;word-break:break-word;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:14px;
  font-size:clamp(22px,2.6vw,26px);font-weight:700;line-height:1.35;color:var(--c-text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{margin:32px 0 12px;font-size:19px;font-weight:600;color:var(--c-text);}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--c-text);}
.article-body img{border-radius:var(--r-img);margin:24px 0;border:1px solid var(--c-line);}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--c-primary);
  background:var(--c-primary-dim);border-radius:0 12px 12px 0;color:var(--c-text-2);
}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em;}
.article-body li{margin:.4em 0;line-height:1.85;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th{background:var(--c-panel-2);text-align:left;padding:12px 14px;font-weight:600;color:var(--c-text);}
.article-body td{padding:12px 14px;border-top:1px solid var(--c-line);color:var(--c-text-2);}
.article-body a{color:var(--c-primary);}
.article-body a:hover{text-decoration:underline;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px;}
.empty-state{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-panel);
  padding:56px 28px;text-align:center;
}
.empty-state i{font-size:34px;color:var(--c-danger);}
.empty-state h2{margin-top:16px;font-size:22px;}
.empty-state p{margin:10px 0 22px;color:var(--c-text-2);font-size:15px;}

/* 文末 */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--c-text-3);letter-spacing:.04em;}
.share-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:20px;}
.share-row .label{font-size:13px;color:var(--c-text-3);letter-spacing:.04em;}
.author-card{
  display:flex;gap:16px;align-items:flex-start;margin-top:28px;padding:20px 22px;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
}
.author-avatar{
  width:48px;height:48px;flex:0 0 48px;border-radius:14px;
  background:linear-gradient(135deg,var(--c-primary),#0FA9C8);
  display:flex;align-items:center;justify-content:center;color:#04140F;font-weight:700;font-size:18px;
}
.author-card h4{font-size:16px;font-weight:600;}
.author-card p{font-size:14px;color:var(--c-text-2);margin-top:4px;}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* 侧栏 */
.article-side{min-width:0;}
.side-sticky{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-panel);padding:20px 22px;}
.side-card h3{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--c-line);letter-spacing:.02em;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-primary);}
.toc-list{display:flex;flex-direction:column;}
.toc-link{
  display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:10px;
  font-size:14px;line-height:1.6;color:var(--c-text-2);
}
.toc-link:hover{background:rgba(255,255,255,.05);color:var(--c-primary);}
.toc-num{font-family:var(--font-num);font-size:12px;color:var(--c-accent);flex:0 0 20px;padding-top:3px;}
.side-links{display:flex;flex-direction:column;gap:2px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--c-text-2);
  border:1px solid transparent;
}
.side-links a i{font-size:11px;color:var(--c-text-3);transition:transform .18s ease-out,color .18s ease-out;}
.side-links a:hover{background:rgba(255,255,255,.05);color:var(--c-primary);border-color:var(--c-line);}
.side-links a:hover i{transform:translateX(3px);color:var(--c-primary);}
.side-note{font-size:13.5px;line-height:1.8;color:var(--c-text-3);}
.side-note strong{color:var(--c-accent);font-weight:600;}

/* CTA 条带 */
.cta-strip{
  margin:0 0 88px;padding:32px 36px;border-radius:var(--r-panel);
  border:1px solid var(--c-line-strong);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02)),var(--c-panel);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-strip h2{font-size:clamp(20px,2.4vw,24px);line-height:1.35;}
.cta-strip p{margin-top:8px;font-size:14.5px;color:var(--c-text-2);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:767px){
  .cta-strip{padding:24px 20px;margin-bottom:56px;}
}

/* 页脚 */
.site-footer{background:#060B16;border-top:1px solid var(--c-line);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;}
.footer-brand:hover .brand-text{color:var(--c-primary);}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:var(--c-text-3);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:14px;letter-spacing:.02em;}
.footer-col a{display:block;font-size:14.5px;color:var(--c-text-2);padding:6px 0;transition:color .18s ease-out,transform .18s ease-out;}
.footer-col a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-sub-row{display:flex;gap:8px;margin-top:12px;}
.footer-sub-row input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:var(--c-panel-2);border:1px solid var(--c-line);color:var(--c-text);font-size:14px;outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.footer-sub-row input::placeholder{color:var(--c-text-3);}
.footer-sub-row input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.footer-sub-row button{
  height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,var(--c-primary),#12B7D6);color:#04140F;font-weight:700;font-size:14px;
  transition:transform .18s ease-out,box-shadow .24s ease-out;
}
.footer-sub-row button:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(22,224,166,.6);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);
}
@media (max-width:575px){
  .nav-search{display:none;}
  .article-hero{padding:32px 0 30px;}
  .article-title{padding-left:16px;}
  .article-body{font-size:16.5px;}
}

/* roulang page: category1 */
:root{
  --c-bg:#060B16;
  --c-bg-2:#0A1222;
  --c-panel:#0E1729;
  --c-panel-2:#131F36;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(22,224,166,.35);
  --c-primary:#16E0A6;
  --c-primary-dim:rgba(22,224,166,.14);
  --c-accent:#FFC453;
  --c-danger:#FF5470;
  --c-text:#EEF4FF;
  --c-text-2:#A7B6CF;
  --c-text-3:#6C7E9A;

  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;

  --sh-1:0 1px 2px rgba(3,8,18,.5);
  --sh-2:0 18px 40px -18px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(22,224,166,.35),0 10px 30px -8px rgba(22,224,166,.45);

  --font-num:ui-monospace,"Bahnschrift","DIN Alternate","SFMono-Regular",monospace;
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;

  --bs-body-bg:#060B16;
  --bs-body-color:#EEF4FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#16E0A6;
  --bs-primary-rgb:22,224,166;
  --bs-link-color:#16E0A6;
  --bs-link-hover-color:#4BF2C0;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;}
a:hover{color:#4BF2C0;}
p{margin:0 0 1.1em;color:var(--c-text-2);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--c-text);letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}

.grid-tex{
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:56px 56px,56px 56px;
}

/* ============ 顶部导航 ============ */
.site-header{position:relative;z-index:1030;}
.topbar{
  position:sticky;top:0;z-index:1030;
  height:68px;
  background:rgba(6,11,22,.78);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--c-line);
}
.topbar-inner{height:68px;display:flex;align-items:center;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:22px;height:22px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--c-primary),#0C8F73);
  clip-path:polygon(0 0,100% 0,100% 74%,74% 100%,0 100%);
}
.brand-mark::after{
  content:"";position:absolute;right:3px;bottom:3px;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.brand-text{font-size:19px;font-weight:700;color:var(--c-text);letter-spacing:.01em;}
.brand:hover .brand-text{color:var(--c-primary);}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;overflow:hidden;}
.main-nav a{
  display:inline-block;padding:8px 12px;border-radius:999px;
  font-size:14.5px;color:var(--c-text-2);white-space:nowrap;
  border:1px solid transparent;transition:all .18s ease-out;
}
.main-nav a:hover{color:var(--c-text);background:rgba(255,255,255,.05);}
.main-nav a.active{
  color:var(--c-primary);background:var(--c-primary-dim);border-color:var(--c-line-strong);
}

.topbar-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:240px;height:40px;padding:0 42px 0 14px;
  background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:999px;
  color:var(--c-text);font-size:14px;transition:all .18s ease-out;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(22,224,166,.18);
}
.nav-search button{
  position:absolute;right:6px;width:30px;height:30px;border:0;border-radius:50%;
  background:transparent;color:var(--c-text-3);cursor:pointer;display:grid;place-items:center;
}
.nav-search button:hover{color:var(--c-primary);background:var(--c-primary-dim);}
.btn-glow{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 20px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,#16E0A6,#12A8D8);
  color:#04140F;font-size:14.5px;font-weight:700;
  box-shadow:0 8px 22px -10px rgba(22,224,166,.7);
  transition:transform .18s ease-out,box-shadow .24s ease-out;
  cursor:pointer;white-space:nowrap;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);color:#04140F;}
.btn-glow:active{transform:translateY(0);}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:transparent;color:var(--c-text-2);font-size:17px;cursor:pointer;
}
.burger:hover{border-color:var(--c-line-strong);color:var(--c-primary);}

/* 频道 Tabs */
.channel-bar{border-bottom:1px solid var(--c-line);background:rgba(10,18,34,.6);}
.channel-scroll{
  height:48px;display:flex;align-items:center;gap:10px;
  overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
  position:relative;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-scroll::after{
  content:"";position:sticky;right:0;flex:0 0 40px;height:48px;
  background:linear-gradient(90deg,rgba(10,18,34,0),rgba(10,18,34,.95));
  pointer-events:none;
}
.chip{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:999px;font-size:14px;
  color:var(--c-text-2);background:transparent;border:1px solid transparent;
  white-space:nowrap;transition:all .18s ease-out;
}
.chip:hover{background:rgba(255,255,255,.05);color:var(--c-text);}
.chip.active{
  color:var(--c-primary);background:var(--c-primary-dim);border-color:var(--c-line-strong);
  box-shadow:inset 0 -2px 0 var(--c-primary);
}

/* 移动抽屉 */
.mobile-drawer{
  display:none;background:var(--c-bg-2);border-bottom:1px solid var(--c-line);
  padding:16px 24px 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 4px;border-bottom:1px solid var(--c-line);
  color:var(--c-text-2);font-size:15px;
}
.mobile-drawer a.active{color:var(--c-primary);}
.mobile-drawer .btn-glow{margin-top:16px;width:100%;justify-content:center;}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;font-size:14px;color:var(--c-text-3);}
.crumb a{color:var(--c-text-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{margin:0 8px;color:var(--c-text-3);opacity:.6;}
.crumb .cur{color:var(--c-text-2);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.alt{background:var(--c-bg-2);}
@media (max-width:991px){.section{padding:72px 0;}}
@media (max-width:575px){.section{padding:56px 0;}}

.sec-head{margin-bottom:36px;max-width:820px;}
.sec-label{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  font-family:var(--font-num);font-size:13px;letter-spacing:.1em;color:var(--c-accent);
}
.sec-label::before{content:"";width:18px;height:2px;background:var(--c-accent);display:inline-block;}
h2.sec-title{
  font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25;margin:0 0 12px;
  padding-left:16px;border-left:4px solid var(--c-primary);
}
.sec-sub{font-size:16px;color:var(--c-text-2);margin:0;}
.cut-block{
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  border-bottom:1px solid var(--c-line);
}
.cat-hero .bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.22;
}
.cat-hero .veil{
  position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(6,11,22,.94) 0%,rgba(6,11,22,.78) 45%,rgba(6,11,22,.96) 100%);
}
.cat-hero .inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start;}
.hero-h1{
  font-size:clamp(30px,4.6vw,46px);font-weight:700;line-height:1.15;letter-spacing:-.02em;
  margin:0 0 18px;
}
.hero-h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:640px;margin:0 0 26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:transparent;
  color:var(--c-text);font-size:15px;font-weight:600;transition:all .18s ease-out;
}
.btn-line:hover{border-color:var(--c-primary);background:var(--c-primary-dim);color:var(--c-primary);}
.btn-glow.lg{height:46px;padding:0 26px;font-size:15px;}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-cell{padding:14px 0 0;border-top:1px solid var(--c-line);}
.stat-num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--c-accent);line-height:1.2;}
.stat-txt{font-size:13px;color:var(--c-text-3);letter-spacing:.04em;}

.glass-card{
  background:var(--c-panel);
  background-image:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--c-line);
  border-radius:var(--r-panel);
  padding:26px;
  box-shadow:var(--sh-2);
}
.panel-title{font-size:17px;font-weight:600;margin:0 0 6px;}
.panel-note{font-size:13px;color:var(--c-text-3);margin:0 0 18px;}
.check-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line);
  font-size:14.5px;color:var(--c-text-2);line-height:1.7;
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--c-primary);font-size:13px;margin-top:6px;flex:0 0 auto;}
.panel-foot{font-size:12.5px;color:var(--c-text-3);margin:14px 0 0;}

/* ============ 大图卡网格（分类页1 版式） ============ */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.post-card{
  position:relative;background:var(--c-panel);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--c-line-strong);box-shadow:var(--sh-2);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-panel-2);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,22,.1) 0%,rgba(6,11,22,.72) 100%);
}
.post-idx{
  position:absolute;left:14px;top:14px;z-index:3;
  font-family:var(--font-num);font-size:13px;font-weight:700;color:#04140F;
  background:var(--c-accent);
  padding:4px 10px;
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.post-body{padding:20px 22px 22px;}
.post-body h3{font-size:18px;font-weight:600;line-height:1.45;margin:0 0 8px;}
.post-body p{font-size:14px;line-height:1.75;color:var(--c-text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{
  display:flex;align-items:center;gap:10px;margin-top:14px;
  font-family:var(--font-num);font-size:12.5px;letter-spacing:.04em;color:var(--c-text-3);
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;font-size:12.5px;
  background:var(--c-primary-dim);color:var(--c-primary);border:1px solid var(--c-line-strong);
}
.pill.amber{background:rgba(255,196,83,.12);color:var(--c-accent);border-color:rgba(255,196,83,.32);}

/* ============ 步骤长条 ============ */
.step-list{border-top:1px solid var(--c-line);}
.step-item{
  display:grid;grid-template-columns:88px 1fr auto;gap:24px;align-items:center;
  padding:24px 4px;border-bottom:1px solid var(--c-line);
  transition:background-color .18s ease-out,padding-left .18s ease-out;
}
.step-item:hover{background:rgba(255,255,255,.025);padding-left:10px;}
.step-num{font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--c-accent);line-height:1;}
.step-body h3{font-size:17px;font-weight:600;margin:0 0 6px;}
.step-body p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.75;}
.step-tail{font-size:13px;color:var(--c-text-3);font-family:var(--font-num);letter-spacing:.05em;white-space:nowrap;}

/* ============ 场景长条目 ============ */
.entry-list{display:flex;flex-direction:column;gap:14px;}
.entry-row{
  display:grid;grid-template-columns:152px 1fr auto;gap:24px;align-items:center;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 24px;transition:all .2s ease-out;
}
.entry-row:hover{border-color:var(--c-line-strong);transform:translateY(-2px);}
.entry-tag{
  font-family:var(--font-num);font-size:12.5px;color:var(--c-accent);letter-spacing:.06em;
}
.entry-main h3{font-size:17px;font-weight:600;margin:0 0 4px;}
.entry-main p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.7;}
.entry-arrow{color:var(--c-text-3);transition:transform .2s ease-out,color .2s ease-out;}
.entry-row:hover .entry-arrow{color:var(--c-primary);transform:translateX(4px);}

/* ============ 交叉链接 ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cross-card{
  display:block;background:var(--c-panel);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;transition:all .22s ease-out;
}
.cross-card:hover{border-color:var(--c-line-strong);transform:translateY(-3px);background:var(--c-panel-2);}
.cross-card .num{font-family:var(--font-num);font-size:13px;color:var(--c-accent);letter-spacing:.08em;}
.cross-card h3{font-size:17px;font-weight:600;margin:10px 0 8px;color:var(--c-text);}
.cross-card p{font-size:14px;color:var(--c-text-2);margin:0 0 14px;}
.cross-card .go{font-size:13.5px;color:var(--c-primary);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{margin:0;}
.faq-btn{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 4px;background:transparent;border:0;text-align:left;
  color:var(--c-text);font-size:16px;font-weight:500;cursor:pointer;
  transition:color .18s ease-out;
}
.faq-btn:hover{color:var(--c-primary);}
.faq-btn .idx{font-family:var(--font-num);font-size:13px;color:var(--c-accent);flex:0 0 auto;}
.faq-btn .txt{flex:1 1 auto;}
.faq-btn .sign{
  flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;
  border:1px solid var(--c-line);border-radius:8px;color:var(--c-text-2);
  transition:transform .24s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.faq-btn:not(.collapsed) .sign{transform:rotate(45deg);color:var(--c-primary);border-color:var(--c-line-strong);}
.faq-a{padding:0 44px 20px 34px;font-size:15px;line-height:1.8;color:var(--c-text-2);}

/* ============ CTA ============ */
.cta-band{
  border-radius:var(--r-panel);
  border:1px solid var(--c-line);
  background:var(--c-panel);
  background-image:linear-gradient(160deg,rgba(22,224,166,.12),rgba(255,255,255,.02) 58%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  padding:34px 32px;
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin:0 0 8px;}
.cta-band p{font-size:14.5px;color:var(--c-text-2);margin:0;}
.sub-row{display:flex;gap:10px;}
.sub-row input{
  height:44px;min-width:240px;padding:0 14px;
  background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-text);font-size:14px;
}
.sub-row input::placeholder{color:var(--c-text-3);}
.sub-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.cta-foot{grid-column:1/-1;font-size:12.5px;color:var(--c-text-3);margin:0;}

/* ============ 页脚 ============ */
.site-footer{background:#060B16;border-top:1px solid var(--c-line);padding:64px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-text-3);max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-text);margin:0 0 14px;letter-spacing:.02em;}
.footer-col a{
  display:block;padding:7px 0;font-size:14px;color:var(--c-text-2);
  transition:color .18s ease-out,transform .18s ease-out;
}
.footer-col a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-sub-row{display:flex;gap:8px;margin-bottom:10px;}
.footer-sub-row input{
  flex:1 1 auto;height:44px;padding:0 12px;
  background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-text);font-size:14px;min-width:0;
}
.footer-sub-row input::placeholder{color:var(--c-text-3);}
.footer-sub-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.footer-sub-row button{
  height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(135deg,#16E0A6,#12A8D8);color:#04140F;font-weight:700;font-size:14px;
  cursor:pointer;transition:transform .18s ease-out,box-shadow .24s ease-out;
}
.footer-sub-row button:hover{transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .main-nav a{padding:8px 10px;font-size:14px;}
  .nav-search input{width:180px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .burger{display:grid;place-items:center;}
  .topbar-tools .btn-glow{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .entry-row{grid-template-columns:1fr;gap:10px;}
  .entry-arrow{display:none;}
  .cta-band{grid-template-columns:1fr;padding:28px 22px;}
  .sub-row{flex-wrap:wrap;}
  .sub-row input{min-width:0;flex:1 1 200px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575px){
  .container{padding:0 18px;}
  .cat-hero{padding:40px 0 48px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-glow,.hero-cta .btn-line{width:100%;justify-content:center;}
  .step-item{grid-template-columns:56px 1fr;gap:14px;}
  .step-tail{display:none;}
  .step-num{font-size:24px;}
  .glass-card{padding:18px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;}
  .faq-a{padding:0 8px 18px 30px;}
}

/* roulang page: category2 */
:root{
  --c-bg:#060B16;
  --c-bg-2:#0A1222;
  --c-panel:#0E1729;
  --c-panel-2:#131F36;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(22,224,166,.35);
  --c-primary:#16E0A6;
  --c-primary-dim:rgba(22,224,166,.14);
  --c-accent:#FFC453;
  --c-danger:#FF5470;
  --c-text:#EEF4FF;
  --c-text-2:#A7B6CF;
  --c-text-3:#6C7E9A;
  --font-num:ui-monospace,"Bahnschrift","DIN Alternate","SFMono-Regular",Menlo,monospace;
  --sh-1:0 1px 2px rgba(3,8,18,.5);
  --sh-2:0 18px 40px -18px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(22,224,166,.35),0 10px 30px -8px rgba(22,224,166,.45);
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;
  --bs-body-bg:#060B16;
  --bs-body-color:#EEF4FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#16E0A6;
  --bs-link-color:#16E0A6;
  --bs-link-hover-color:#7BF2D2;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,transform .24s ease-out;}
a:hover{color:#7BF2D2;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--c-text);font-weight:700;}
p{margin:0;}
::selection{background:rgba(22,224,166,.28);}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
section{position:relative;}
.section{padding:88px 0;}
.section-alt{background:var(--c-bg-2);}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  line-height:1.25;
  letter-spacing:-.01em;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary),rgba(22,224,166,.2));
}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:15px;line-height:1.85;}
.eyebrow{
  font-size:13px;letter-spacing:.08em;color:var(--c-text-3);text-transform:uppercase;
  font-family:var(--font-num);display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--c-line-strong);display:inline-block;}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(6,11,22,.82);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border-bottom:1px solid var(--c-line);}
@supports not (backdrop-filter:blur(2px)){.site-header{background:#070d19;}}
.nav-row{border-bottom:1px solid var(--c-line);}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:22px;height:22px;border-radius:6px 2px 6px 2px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary),#0f9d8a);
  box-shadow:0 0 0 1px rgba(22,224,166,.4),0 6px 18px -6px rgba(22,224,166,.7);
  position:relative;
}
.brand-mark::after{content:"";position:absolute;right:3px;bottom:3px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.brand-text{font-size:19px;font-weight:700;color:var(--c-text);letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.main-nav a{
  font-size:14.5px;color:var(--c-text-2);padding:7px 12px;border-radius:8px;
  border:1px solid transparent;white-space:nowrap;position:relative;
}
.main-nav a:hover{color:var(--c-text);background:rgba(255,255,255,.05);}
.main-nav a.active{color:var(--c-primary);background:var(--c-primary-dim);border-color:var(--c-line-strong);}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;background:var(--c-panel-2);border:1px solid var(--c-line);
  border-radius:999px;height:40px;width:238px;padding:0 6px 0 14px;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.16);}
.nav-search input{background:transparent;border:0;outline:none;flex:1;min-width:0;font-size:13.5px;color:var(--c-text);}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search button{
  width:30px;height:30px;border-radius:50%;border:0;background:var(--c-primary-dim);color:var(--c-primary);
  display:grid;place-items:center;font-size:12px;cursor:pointer;transition:background-color .18s ease-out;
}
.nav-search button:hover{background:rgba(22,224,166,.26);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .24s ease-out,box-shadow .24s ease-out,background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out;}
.btn-glow{
  background:linear-gradient(135deg,#16E0A6,#37B7E8 135deg);color:#04140F;padding:10px 20px;font-size:14.5px;
  box-shadow:0 10px 26px -12px rgba(22,224,166,.75);
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);color:#04140F;}
.btn-glow:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn-ghost{
  background:transparent;border-color:var(--c-line);color:var(--c-text);padding:10px 20px;font-size:14.5px;
}
.btn-ghost:hover{border-color:var(--c-line-strong);background:var(--c-primary-dim);color:var(--c-text);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn-sm{padding:8px 16px;font-size:13.5px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-panel-2);color:var(--c-text);}
.nav-toggle:hover{border-color:var(--c-line-strong);color:var(--c-primary);}
.channel-row{background:rgba(6,11,22,.6);}
.channel-scroll{
  display:flex;gap:8px;align-items:center;height:48px;overflow-x:auto;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;position:relative;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-scroll{scrollbar-width:none;}
.chip{
  flex:0 0 auto;scroll-snap-align:start;font-size:14px;color:var(--c-text-2);padding:7px 16px;border-radius:999px;
  border:1px solid transparent;background:transparent;position:relative;white-space:nowrap;
}
.chip:hover{background:rgba(255,255,255,.05);color:var(--c-text);}
.chip.active{background:var(--c-primary-dim);color:var(--c-primary);border-color:var(--c-line-strong);}
.chip.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;border-radius:2px;background:var(--c-primary);}
.offcanvas{background:#0A1222;color:var(--c-text);border-left:1px solid var(--c-line);}
.offcanvas-header{border-bottom:1px solid var(--c-line);}
.btn-close{filter:invert(1) grayscale(1);opacity:.7;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-nav a{padding:12px 14px;border-radius:12px;border:1px solid var(--c-line);color:var(--c-text-2);font-size:15px;}
.drawer-nav a:hover,.drawer-nav a.active{border-color:var(--c-line-strong);background:var(--c-primary-dim);color:var(--c-primary);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(150deg,rgba(6,11,22,.92),rgba(6,11,22,.78) 45%,rgba(6,11,22,.95)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero .container{position:relative;z-index:2;}
.crumbs{font-size:14px;color:var(--c-text-3);padding:22px 0 0;}
.crumbs a{color:var(--c-text-2);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs span{color:var(--c-text);}
.crumbs .sep{margin:0 8px;color:var(--c-text-3);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:44px 0 88px;}
.hero-title{
  font-size:clamp(30px,4.6vw,46px);line-height:1.15;letter-spacing:-.02em;font-weight:700;margin-bottom:20px;
}
.hero-title .cut{
  display:inline-block;background:linear-gradient(135deg,rgba(22,224,166,.18),rgba(22,224,166,.05));
  border-left:5px solid var(--c-primary);padding:2px 14px 4px 12px;
  clip-path:polygon(0 0,100% 0,calc(100% - 14px) 100%,0 100%);
}
.hero-lead{color:var(--c-text-2);font-size:16.5px;line-height:1.9;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;border-top:1px solid var(--c-line);padding-top:26px;}
.stat b{display:block;font-family:var(--font-num);font-size:24px;color:var(--c-accent);font-weight:600;letter-spacing:.01em;}
.stat span{display:block;font-size:13px;color:var(--c-text-3);margin-top:6px;line-height:1.6;}
.glass-card{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02)),var(--c-panel);
  border:1px solid var(--c-line);border-radius:var(--r-panel);padding:28px;
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-2);
}
@supports not (backdrop-filter:blur(2px)){.glass-card{background:var(--c-panel);}}
.glass-card h3{font-size:18px;margin-bottom:6px;}
.glass-card .card-sub{font-size:13.5px;color:var(--c-text-3);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--c-text-3);margin-bottom:8px;letter-spacing:.04em;}
.field .input,.field input{
  width:100%;height:44px;border-radius:12px;background:var(--c-panel-2);border:1px solid var(--c-line);
  padding:0 14px;color:var(--c-text);font-size:14.5px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field .input::placeholder,.field input::placeholder{color:var(--c-text-3);}
.field .input:focus,.field input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.check-row{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--c-text-2);margin:6px 0 20px;}
.check-row input{width:16px;height:16px;accent-color:#16E0A6;}
.glass-card .btn-glow{width:100%;}
.card-note{font-size:12.5px;color:var(--c-text-3);margin-top:14px;text-align:center;line-height:1.7;}
.status-list{margin-top:22px;border-top:1px solid var(--c-line);padding-top:18px;display:grid;gap:12px;}
.status-list li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--c-text-2);}
.status-list li b{font-family:var(--font-num);color:var(--c-primary);font-weight:600;}

/* ============ 主张条 ============ */
.claim-strip{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-bg-2);}
.claim-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0;}
.claim-left{display:flex;align-items:center;gap:16px;}
.claim-left::before{content:"";width:3px;height:30px;border-radius:2px;background:var(--c-primary);flex:0 0 auto;}
.claim-left p{font-size:17px;font-weight:600;letter-spacing:.01em;}
.claim-link{font-size:14px;color:var(--c-primary);display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.claim-link i{transition:transform .24s ease-out;}
.claim-link:hover i{transform:translateX(4px);}

/* ============ 编号长条列表 ============ */
.num-list{border-top:1px solid var(--c-line);}
.num-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:28px;align-items:start;
  padding:28px 18px;border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease-out,border-color .2s ease-out,transform .24s ease-out;
}
.num-item:hover{background:rgba(255,255,255,.028);border-color:var(--c-line-strong);transform:translateY(-2px);}
.num-item .big-num{font-family:var(--font-num);font-size:34px;line-height:1;color:var(--c-accent);font-weight:600;letter-spacing:.02em;padding-top:4px;}
.num-item h3{font-size:18px;margin-bottom:10px;}
.num-item p{color:var(--c-text-2);font-size:14.5px;line-height:1.8;}
.num-meta{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:3px 11px;border-radius:999px;
  background:var(--c-primary-dim);color:var(--c-primary);border:1px solid var(--c-line-strong);letter-spacing:.02em;
}
.tag-amber{background:rgba(255,196,83,.12);color:var(--c-accent);border-color:rgba(255,196,83,.32);}
.meta-text{font-size:13px;color:var(--c-text-3);font-family:var(--font-num);letter-spacing:.04em;}
.num-item .arrow{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);display:grid;place-items:center;
  color:var(--c-text-3);font-size:13px;transition:all .24s ease-out;align-self:center;
}
.num-item:hover .arrow{border-color:var(--c-line-strong);color:var(--c-primary);transform:translateX(4px);}

/* ============ 场景 / 图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.figure{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-2);}
.figure img{width:100%;height:340px;object-fit:cover;}
.figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:var(--c-text-2);background:linear-gradient(180deg,rgba(6,11,22,0),rgba(6,11,22,.88));}
.scene-list{display:grid;gap:16px;margin-top:8px;}
.scene-item{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;
  display:grid;grid-template-columns:22px 1fr;gap:16px;transition:border-color .2s ease-out,transform .24s ease-out,box-shadow .24s ease-out;
}
.scene-item:hover{border-color:var(--c-line-strong);transform:translateY(-2px);box-shadow:var(--sh-1);}
.scene-item i{color:var(--c-primary);font-size:15px;padding-top:4px;}
.scene-item h4{font-size:16.5px;margin-bottom:6px;}
.scene-item p{font-size:14px;color:var(--c-text-2);line-height:1.8;}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-step{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px 22px;position:relative;
  transition:border-color .2s ease-out,transform .24s ease-out;
}
.flow-step:hover{border-color:var(--c-line-strong);transform:translateY(-2px);}
.flow-step .step-no{font-family:var(--font-num);font-size:13px;color:var(--c-accent);letter-spacing:.08em;margin-bottom:14px;display:block;}
.flow-step h4{font-size:16.5px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--c-text-2);line-height:1.8;}
.flow-step::after{content:"";position:absolute;top:26px;right:-10px;width:20px;height:1px;background:var(--c-line);}
.flow-step:last-child::after{display:none;}

/* ============ FAQ ============ */
.faq-wrap{border-top:1px solid var(--c-line);}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);}
.accordion-button{
  background:transparent;color:var(--c-text);font-size:16px;font-weight:500;padding:20px 44px 20px 46px;position:relative;
  box-shadow:none;line-height:1.6;
}
.accordion-button:not(.collapsed){background:rgba(22,224,166,.05);color:var(--c-text);box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:var(--c-line);}
.accordion-button::after{
  display:none;
}
.accordion-button::before{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--c-primary);
  font-family:var(--font-num);font-size:20px;transition:transform .24s ease-out,color .18s ease-out;line-height:1;
}
.accordion-button:not(.collapsed)::before{transform:translateY(-50%) rotate(45deg);color:var(--c-accent);}
.faq-no{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-family:var(--font-num);font-size:13px;color:var(--c-text-3);}
.accordion-body{padding:0 46px 22px 46px;color:var(--c-text-2);font-size:15px;line-height:1.8;}

/* ============ 交叉链接 ============ */
.cross-list{display:grid;gap:14px;}
.cross-item{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 24px;
  transition:border-color .2s ease-out,transform .24s ease-out,background-color .2s ease-out;
}
.cross-item:hover{border-color:var(--c-line-strong);transform:translateY(-2px);background:var(--c-panel-2);}
.cross-item h4{font-size:17px;color:var(--c-text);margin-bottom:6px;}
.cross-item p{font-size:14px;color:var(--c-text-2);line-height:1.75;}
.cross-item .go{color:var(--c-primary);font-size:14px;white-space:nowrap;display:inline-flex;align-items:center;gap:8px;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02)),var(--c-panel);
  border:1px solid var(--c-line);border-radius:var(--r-panel);padding:40px;
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;box-shadow:var(--sh-2);
}
@supports not (backdrop-filter:blur(2px)){.cta-band{background:var(--c-panel);}}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;margin-bottom:12px;}
.cta-band p{color:var(--c-text-2);font-size:15px;line-height:1.85;}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1;height:46px;border-radius:12px;background:var(--c-panel-2);border:1px solid var(--c-line);
  padding:0 15px;color:var(--c-text);font-size:14.5px;outline:none;min-width:0;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cta-form input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.cta-form input::placeholder{color:var(--c-text-3);}
.cta-tip{font-size:12.5px;color:var(--c-text-3);margin-top:12px;}

/* ============ 页脚 ============ */
.site-footer{background:#060B16;border-top:1px solid var(--c-line);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{color:var(--c-text-3);font-size:14px;line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:var(--c-text);letter-spacing:.02em;}
.footer-col a{display:block;color:var(--c-text-2);font-size:14px;padding:6px 0;transition:color .18s ease-out,transform .18s ease-out;}
.footer-col a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-sub-row{display:flex;gap:10px;margin-top:14px;}
.footer-sub-row input{
  flex:1;height:42px;border-radius:12px;background:var(--c-panel-2);border:1px solid var(--c-line);
  padding:0 13px;color:var(--c-text);font-size:14px;outline:none;min-width:0;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.footer-sub-row input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.footer-sub-row input::placeholder{color:var(--c-text-3);}
.footer-sub-row button{
  height:42px;padding:0 18px;border-radius:12px;border:0;cursor:pointer;font-weight:600;font-size:14px;
  background:linear-gradient(135deg,#16E0A6,#37B7E8);color:#04140F;transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.footer-sub-row button:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(22,224,166,.7);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--c-text-3);
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .container{max-width:1320px;}
  .section{padding:104px 0;}
}
@media (max-width:1199.98px){
  .nav-search{width:180px;}
  .hero-grid{gap:36px;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .hero-grid{grid-template-columns:1fr;padding:32px 0 64px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step::after{display:none;}
  .cta-band{grid-template-columns:1fr;padding:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:767.98px){
  .num-item{grid-template-columns:64px 1fr;gap:18px;padding:24px 10px;}
  .num-item .big-num{font-size:26px;}
  .num-item .arrow{display:none;}
}
@media (max-width:575.98px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:14px;}
  .hero-actions .btn{width:100%;}
  .flow{grid-template-columns:1fr;}
  .glass-card{padding:18px;}
  .claim-inner{flex-direction:column;align-items:flex-start;gap:14px;}
  .cross-item{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn-glow{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .accordion-button{padding:18px 40px 18px 42px;font-size:15px;}
  .accordion-body{padding:0 18px 20px 42px;}
  .crumbs{font-size:13px;}
}

/* roulang page: category3 */
:root{
  --c-bg:#060B16;
  --c-bg-2:#0A1222;
  --c-panel:#0E1729;
  --c-panel-2:#131F36;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(22,224,166,.35);
  --c-primary:#16E0A6;
  --c-primary-2:#0FB4E0;
  --c-primary-dim:rgba(22,224,166,.14);
  --c-accent:#FFC453;
  --c-danger:#FF5470;
  --c-text:#EEF4FF;
  --c-text-2:#A7B6CF;
  --c-text-3:#6C7E9A;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(3,8,18,.5);
  --sh-2:0 18px 40px -18px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(22,224,166,.35),0 10px 30px -8px rgba(22,224,166,.45);
  --font-num:ui-monospace,"Bahnschrift","DIN Alternate","SFMono-Regular",Menlo,monospace;
  --bs-body-bg:#060B16;
  --bs-body-color:#EEF4FF;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-primary:#16E0A6;
  --bs-primary-rgb:22,224,166;
  --bs-border-radius:14px;
  --bs-link-color:#16E0A6;
  --bs-link-hover-color:#16E0A6;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,transform .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.15;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,32px);line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 1em 0;color:var(--c-text-2)}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1320px}}
.section{position:relative;z-index:1;padding:88px 0}
.section.alt{background:var(--c-bg-2)}
@media (max-width:991px){.section{padding:72px 0}}
@media (max-width:575px){.section{padding:56px 0}}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(6,11,22,.82);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border-bottom:1px solid var(--c-line)}
.nav-row-1{height:68px}
.nav-inner{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:20px;height:20px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);position:relative;box-shadow:0 0 14px -2px rgba(22,224,166,.8)}
.brand-mark::after{content:"";position:absolute;right:2px;bottom:2px;width:5px;height:5px;background:#04140F;border-radius:50%}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--c-text)}
.brand:hover .brand-text{color:var(--c-primary)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;min-width:0}
.main-nav a{position:relative;font-size:15px;color:var(--c-text-2);padding:8px 12px;border-radius:10px;white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .24s ease-out;border-radius:2px}
.main-nav a:hover{color:var(--c-text);background:rgba(255,255,255,.05)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--c-primary);background:var(--c-primary-dim)}
.main-nav a.active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search-wrap{position:relative}
.nav-search{display:flex;align-items:center;width:240px;height:42px;background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:999px;padding:0 6px 0 16px;transition:border-color .18s ease,box-shadow .18s ease}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18)}
.nav-search input{flex:1 1 auto;min-width:0;background:transparent;border:0;color:var(--c-text);font-size:14px;height:100%}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search input:focus{outline:none}
.nav-search button{width:32px;height:32px;border:0;border-radius:50%;background:var(--c-primary-dim);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;font-size:13px;cursor:pointer}
.nav-search button:hover{background:var(--c-primary);color:#04140F}
.search-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-panel-2);color:var(--c-text-2);cursor:pointer}
.search-toggle:hover{color:var(--c-primary);border-color:var(--c-line-strong)}
.btn-cta{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;border-radius:var(--r-btn);font-size:14px;font-weight:600;color:#04140F;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));box-shadow:0 8px 24px -10px rgba(22,224,166,.8);transition:transform .18s ease-out,box-shadow .24s ease-out}
.btn-cta:hover{color:#04140F;transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6)}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-panel-2);flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-text-2);border-radius:2px;transition:background-color .18s ease}
.hamburger:hover span{background:var(--c-primary)}
.channel-row{background:rgba(10,18,34,.72);border-bottom:1px solid var(--c-line)}
.channel-wrap{position:relative}
.channel-scroll{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-wrap::after{content:"";position:absolute;right:0;top:0;bottom:0;width:40px;background:linear-gradient(90deg,rgba(10,18,34,0),rgba(10,18,34,.95));pointer-events:none}
.pill{scroll-snap-align:start;display:inline-flex;align-items:center;font-size:14px;color:var(--c-text-2);padding:7px 16px;border-radius:999px;border:1px solid transparent;white-space:nowrap;position:relative;transition:background-color .18s ease,color .18s ease,border-color .18s ease}
.pill:hover{background:rgba(255,255,255,.05);color:var(--c-text)}
.pill.active{background:var(--c-primary-dim);color:var(--c-primary);border-color:var(--c-line-strong);box-shadow:inset 0 -2px 0 var(--c-primary)}
.offcanvas.site-drawer{background:var(--c-bg-2);color:var(--c-text);border-left:1px solid var(--c-line);width:320px}
.site-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px}
.site-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7}
.site-drawer .btn-close:hover{opacity:1}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-nav a{padding:12px 14px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-panel);color:var(--c-text-2);font-size:15px}
.drawer-nav a:hover{border-color:var(--c-line-strong);color:var(--c-primary)}
.drawer-nav a.active{color:var(--c-primary);border-color:var(--c-line-strong);background:var(--c-primary-dim)}
.drawer-sub{display:flex;flex-direction:column;gap:10px;padding-top:6px}
.drawer-sub label{font-size:13px;color:var(--c-text-3);letter-spacing:.04em}
@media (max-width:1199px){
  .nav-search{display:none}
  .nav-search-wrap.open .nav-search{display:flex;position:absolute;right:0;top:52px;width:280px;z-index:40;background:var(--c-panel);box-shadow:var(--sh-2)}
  .search-toggle{display:inline-flex;align-items:center;justify-content:center}
}
@media (max-width:991px){
  .main-nav{display:none}
  .hamburger{display:inline-flex}
  .btn-cta{display:none}
}
@media (max-width:575px){
  .container{padding-left:18px;padding-right:18px}
  .brand-text{font-size:17px}
}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);margin-bottom:22px;flex-wrap:wrap}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:var(--c-text-3);opacity:.6}
.crumbs .cur{color:var(--c-text-2)}

/* ---------- Hero ---------- */
.page-hero{position:relative;z-index:1;overflow:hidden;padding:64px 0 72px;background:var(--c-bg-2)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.22}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(6,11,22,.5) 0%,rgba(6,11,22,.9) 58%,#060B16 100%)}
.hero-inner{position:relative;z-index:2}
.hero-kicker{display:inline-block;font-size:13px;letter-spacing:.06em;color:var(--c-primary);background:var(--c-primary-dim);border:1px solid var(--c-line-strong);padding:6px 14px;margin-bottom:20px;clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%)}
.page-hero h1{max-width:900px;margin-bottom:20px}
.hero-lead{max-width:760px;font-size:17px;line-height:1.85;color:var(--c-text-2);margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.btn-glow,.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .18s ease-out,box-shadow .24s ease-out,background-color .18s ease,border-color .18s ease}
.btn-glow{color:#04140F;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));box-shadow:0 10px 30px -12px rgba(22,224,166,.9)}
.btn-glow:hover{color:#04140F;transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6)}
.btn-glow:active{transform:translateY(0)}
.btn-line{color:var(--c-text);background:transparent;border-color:var(--c-line)}
.btn-line:hover{color:var(--c-primary);border-color:var(--c-line-strong);background:var(--c-primary-dim);transform:translateY(-2px)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.hero-stats li{background:rgba(14,23,41,.82);padding:20px 22px}
.hero-stats .num{display:block;font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--c-accent);letter-spacing:-.01em;line-height:1.2}
.hero-stats .lb{display:block;font-size:13px;color:var(--c-text-3);letter-spacing:.04em;margin-top:4px}
@media (max-width:767px){.hero-stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){
  .page-hero{padding:44px 0 56px}
  .hero-actions{margin-bottom:32px}
  .btn-glow,.btn-line{width:100%}
}

/* ---------- 通用标题 ---------- */
.se-head{max-width:780px;margin-bottom:48px}
.se-head h2{position:relative;padding-left:18px;margin-bottom:14px}
.se-head h2::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:.86em;background:var(--c-primary);border-radius:2px}
.se-head p{font-size:16px;color:var(--c-text-2)}
.se-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.se-head.row-head .more{font-size:14px;color:var(--c-primary);white-space:nowrap}
.se-head.row-head .more:hover{text-decoration:underline}

/* ---------- 交替图文 ---------- */
.zigzag{display:flex;flex-direction:column;gap:64px}
.zz-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.zz-row.reverse .zz-media{order:2}
.zz-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);background:var(--c-panel);box-shadow:var(--sh-2)}
.zz-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;filter:saturate(.92)}
.zz-media::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,11,22,.05),rgba(6,11,22,.5));pointer-events:none}
.zz-media.cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),calc(100% - 30px) 100%,0 100%)}
.zz-media.cut::after{content:"";position:absolute;right:0;bottom:0;width:64px;height:64px;background:linear-gradient(135deg,transparent 48%,var(--c-primary) 49%,var(--c-primary) 100%);opacity:.85}
.zz-badge{position:absolute;left:16px;top:16px;z-index:2;font-family:var(--font-num);font-size:13px;letter-spacing:.08em;color:#04140F;background:var(--c-accent);padding:4px 12px;border-radius:999px}
.zz-body .num{display:inline-block;font-family:var(--font-num);font-size:14px;letter-spacing:.14em;color:var(--c-accent);margin-bottom:12px}
.zz-body h3{margin-bottom:14px;font-size:22px}
.zz-body p{font-size:16px;line-height:1.85}
.tick-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.tick-list li{position:relative;padding-left:24px;font-size:15px;color:var(--c-text-2);line-height:1.75}
.tick-list li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border:1px solid var(--c-line-strong);background:var(--c-primary-dim);clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{font-size:13px;color:var(--c-primary);background:var(--c-primary-dim);border:1px solid var(--c-line-strong);border-radius:999px;padding:4px 12px}
.tag.warm{color:var(--c-accent);background:rgba(255,196,83,.12);border-color:rgba(255,196,83,.35)}
@media (max-width:991px){
  .zz-row{grid-template-columns:1fr;gap:28px}
  .zz-row.reverse .zz-media{order:0}
  .zigzag{gap:48px}
}

/* ---------- 场景条目卡 ---------- */
.entry-list{display:flex;flex-direction:column;gap:14px}
.entry{display:flex;gap:20px;align-items:flex-start;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:transform .18s ease-out,border-color .18s ease,box-shadow .24s ease-out}
.entry:hover{transform:translateY(-2px);border-color:var(--c-line-strong);box-shadow:var(--sh-2)}
.entry .idx{flex:0 0 auto;font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--c-accent);line-height:1.4;min-width:34px}
.entry .body{flex:1 1 auto;min-width:0}
.entry h3{font-size:17px;margin-bottom:6px}
.entry p{font-size:14px;line-height:1.75;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry .arrow{flex:0 0 auto;color:var(--c-text-3);align-self:center;transition:transform .18s ease,color .18s ease}
.entry:hover .arrow{color:var(--c-primary);transform:translateX(4px)}
@media (max-width:575px){.entry{padding:18px;gap:14px}}

/* ---------- 交叉链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cross-card{display:flex;flex-direction:column;gap:10px;background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;height:100%;transition:transform .18s ease-out,border-color .18s ease,box-shadow .24s ease-out}
.cross-card:hover{transform:translateY(-2px);border-color:var(--c-line-strong);box-shadow:var(--sh-2)}
.cross-card .k{font-family:var(--font-num);font-size:13px;letter-spacing:.1em;color:var(--c-accent)}
.cross-card h3{font-size:18px}
.cross-card p{font-size:14px;line-height:1.75;color:var(--c-text-2)}
.cross-card .go{font-size:14px;color:var(--c-primary);margin-top:auto}
@media (max-width:991px){.cross-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.od-faq{border-top:1px solid var(--c-line)}
.od-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);border-radius:0}
.od-faq .accordion-button{background:transparent;color:var(--c-text);font-size:16px;font-weight:500;padding:20px 44px 20px 0;box-shadow:none;display:flex;align-items:center;gap:14px;position:relative;border-radius:0}
.od-faq .accordion-button .fnum{font-family:var(--font-num);font-size:14px;color:var(--c-accent);letter-spacing:.08em;flex:0 0 auto}
.od-faq .accordion-button:focus{box-shadow:none;outline:none}
.od-faq .accordion-button:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px}
.od-faq .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent}
.od-faq .accordion-button::after{content:"+";background-image:none;width:auto;height:auto;font-size:24px;line-height:1;color:var(--c-primary);transform:none;transition:transform .18s ease;position:absolute;right:6px;top:50%;margin-top:-13px;display:block;font-weight:400}
.od-faq .accordion-button:hover{color:var(--c-primary)}
.od-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.od-faq .accordion-body{padding:0 44px 22px 0;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- CTA ---------- */
.cta-band{position:relative;z-index:1;padding:0 0 96px}
.cta-inner{position:relative;overflow:hidden;border-radius:var(--r-panel);border:1px solid var(--c-line);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);padding:44px 48px;display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center;box-shadow:var(--sh-2)}
.cta-inner::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--c-primary),var(--c-primary-2))}
.cta-copy h2{font-size:26px;margin-bottom:10px}
.cta-copy p{font-size:15px;color:var(--c-text-2)}
.cta-form{display:flex;gap:12px}
.cta-form input{flex:1 1 auto;min-width:0;height:48px;background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:var(--r-btn);color:var(--c-text);padding:0 16px;font-size:15px}
.cta-form input::placeholder{color:var(--c-text-3)}
.cta-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18)}
.cta-note{grid-column:1/-1;font-size:12px;color:var(--c-text-3);letter-spacing:.03em;margin-top:-10px}
@media (max-width:991px){.cta-inner{grid-template-columns:1fr;padding:32px 26px}}
@media (max-width:575px){.cta-form{flex-direction:column}.cta-form .btn-glow{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;z-index:1;background:#060B16;border-top:1px solid var(--c-line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;color:var(--c-text-3);max-width:340px}
.footer-col h4{font-size:15px;color:var(--c-text);margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:var(--c-text-2);padding:6px 0;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-sub-row{display:flex;gap:10px;margin-top:6px}
.footer-sub-row input{flex:1 1 auto;min-width:0;height:44px;background:var(--c-panel-2);border:1px solid var(--c-line);border-radius:var(--r-btn);color:var(--c-text);padding:0 14px;font-size:14px}
.footer-sub-row input::placeholder{color:var(--c-text-3)}
.footer-sub-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18)}
.footer-sub-row button{flex:0 0 auto;height:44px;padding:0 18px;border:0;border-radius:var(--r-btn);font-size:14px;font-weight:600;color:#04140F;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));cursor:pointer;transition:transform .18s ease-out,box-shadow .24s ease-out}
.footer-sub-row button:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(22,224,166,.7)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;border-top:1px solid var(--c-line);padding:20px 0 28px;font-size:13px;color:var(--c-text-3);letter-spacing:.03em}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;gap:26px}.site-footer{padding-top:48px}}

/* roulang page: category4 */
:root{
  --c-bg:#060B16;
  --c-bg-2:#0A1222;
  --c-panel:#0E1729;
  --c-panel-2:#131F36;
  --c-line:rgba(255,255,255,.08);
  --c-line-strong:rgba(22,224,166,.35);
  --c-primary:#16E0A6;
  --c-primary-dim:rgba(22,224,166,.14);
  --c-accent:#FFC453;
  --c-danger:#FF5470;
  --c-text:#EEF4FF;
  --c-text-2:#A7B6CF;
  --c-text-3:#6C7E9A;
  --font-num:ui-monospace,"Bahnschrift","DIN Alternate",monospace;
  --sh-1:0 1px 2px rgba(3,8,18,.5);
  --sh-2:0 18px 40px -18px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(22,224,166,.35),0 10px 30px -8px rgba(22,224,166,.45);
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --bs-body-bg:#060B16;
  --bs-body-color:#EEF4FF;
  --bs-primary:#16E0A6;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-link-color:#EEF4FF;
  --bs-link-hover-color:#16E0A6;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--c-text);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--c-primary);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--c-text);margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
::selection{background:rgba(22,224,166,.3);}
.container{
  width:100%;
  max-width:1240px;
  padding-right:24px;
  padding-left:24px;
  margin-right:auto;
  margin-left:auto;
}
@media (min-width:1200px){.container{max-width:1240px;}}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ============ 导航 ============ */
.site-header{position:relative;z-index:1040;}
.nav-bar{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,11,22,.78);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{height:68px;display:flex;align-items:center;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary),#0B7F6B);
  clip-path:polygon(14% 0,100% 0,100% 86%,86% 100%,0 100%,0 14%);
  box-shadow:0 0 18px rgba(22,224,166,.45);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;right:5px;bottom:5px;width:5px;height:5px;border-radius:50%;
  background:var(--c-accent);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--c-text);white-space:nowrap;}
.brand:hover .brand-text{color:var(--c-primary);}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.main-nav a{
  font-size:14.5px;color:var(--c-text-2);padding:8px 12px;border-radius:10px;position:relative;white-space:nowrap;
}
.main-nav a:hover{color:var(--c-text);background:rgba(255,255,255,.05);}
.main-nav a.active{color:var(--c-primary);background:var(--c-primary-dim);}
.main-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;width:240px;}
.nav-search input{
  width:100%;height:42px;border-radius:var(--r-btn);
  background:var(--c-panel-2);border:1px solid var(--c-line);color:var(--c-text);
  padding:0 40px 0 14px;font-size:14px;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.nav-search i{position:absolute;right:14px;color:var(--c-text-3);font-size:14px;pointer-events:none;}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:0;
  font-size:15px;font-weight:600;color:#04140F;cursor:pointer;
  background:linear-gradient(135deg,#16E0A6,#0FB3D6);
  box-shadow:0 8px 22px -10px rgba(22,224,166,.7);
  transition:transform .18s ease-out,box-shadow .24s ease-out,color .18s ease-out;
  white-space:nowrap;
}
.btn-glow:hover{color:#04140F;transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);}
.btn-glow:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--c-line);color:var(--c-text);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease-out,border-color .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.btn-ghost:hover{border-color:var(--c-primary);background:var(--c-primary-dim);color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.nav-toggler{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  background:var(--c-panel-2);border:1px solid var(--c-line);color:var(--c-text);font-size:17px;cursor:pointer;
}
.nav-toggler:hover{border-color:var(--c-line-strong);color:var(--c-primary);}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggler{display:inline-flex;}
  .nav-inner{gap:14px;}
}
@media (max-width:575.98px){
  .nav-inner{height:62px;}
  .brand-text{font-size:17px;}
  .nav-bar .btn-glow{display:none;}
}
.channel-bar{background:var(--c-bg-2);border-bottom:1px solid var(--c-line);position:relative;}
.channel-bar::after{
  content:"";position:absolute;right:0;top:0;bottom:1px;width:40px;pointer-events:none;
  background:linear-gradient(90deg,rgba(10,18,34,0),rgba(10,18,34,.95));
}
.channel-scroll{
  display:flex;align-items:center;gap:8px;min-height:48px;
  overflow-x:auto;padding:8px 24px;
  scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{height:0;display:none;}
.channel-scroll a{
  flex:0 0 auto;font-size:14px;padding:7px 16px;border-radius:999px;
  border:1px solid transparent;color:var(--c-text-2);
  scroll-snap-align:start;white-space:nowrap;
}
.channel-scroll a:hover{background:rgba(255,255,255,.05);color:var(--c-text);}
.channel-scroll a.active{
  background:var(--c-primary-dim);color:var(--c-primary);
  border-color:rgba(22,224,166,.35);box-shadow:inset 0 -2px 0 var(--c-primary);
}

/* ============ 通用区块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
@media (max-width:991.98px){.section{padding:72px 0;}}
@media (max-width:575.98px){.section{padding:56px 0;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:12px;}
.sec-head h2{
  font-size:clamp(24px,3vw,32px);line-height:1.25;display:flex;align-items:center;
}
.sec-head h2::before{
  content:"";display:inline-block;width:4px;height:24px;border-radius:2px;
  background:var(--c-primary);margin-right:12px;flex:0 0 auto;
  box-shadow:0 0 12px rgba(22,224,166,.6);
}
.sec-head .sec-link{
  font-size:14px;color:var(--c-text-2);display:inline-flex;align-items:center;gap:6px;
}
.sec-head .sec-link:hover{color:var(--c-primary);gap:10px;}
.sec-desc{font-size:15.5px;line-height:1.85;color:var(--c-text-2);max-width:820px;}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:var(--c-text-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:rgba(255,255,255,.2);}
.crumb .cur{color:var(--c-text-2);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;padding:56px 0 72px;
  border-bottom:1px solid var(--c-line);
  background:linear-gradient(180deg,rgba(6,11,22,.80),rgba(6,11,22,.97)),
             url(/assets/images/backpic/back-2.png) center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
}
.page-hero .container{position:relative;z-index:1;}
.eyebrow{
  display:inline-block;padding:6px 14px;margin-bottom:18px;
  font-size:13px;letter-spacing:.06em;color:var(--c-accent);
  background:rgba(255,196,83,.1);border:1px solid rgba(255,196,83,.3);
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}
.page-hero h1{
  font-size:clamp(30px,4.6vw,46px);line-height:1.15;letter-spacing:-.02em;font-weight:700;
  max-width:860px;
}
.page-hero .hero-lead{
  margin-top:20px;font-size:16.5px;line-height:1.85;color:var(--c-text-2);max-width:760px;
}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px;max-width:860px;}
.stat{
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:14px;padding:16px 18px;
  box-shadow:var(--sh-1);
}
.stat b{display:block;font-family:var(--font-num);font-size:26px;color:var(--c-accent);line-height:1.2;letter-spacing:.04em;}
.stat span{font-size:13px;color:var(--c-text-3);letter-spacing:.04em;}
@media (max-width:767.98px){.stats{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){
  .page-hero{padding:40px 0 56px;}
  .stat b{font-size:22px;}
}

/* ============ 筛选 pill ============ */
.filter-row{
  display:flex;gap:10px;overflow-x:auto;padding:2px 0 8px;margin-bottom:26px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-row::-webkit-scrollbar{display:none;}
.filter-pill{
  flex:0 0 auto;font-size:13px;padding:8px 16px;border-radius:999px;cursor:pointer;
  border:1px solid var(--c-line);color:var(--c-text-2);background:transparent;
  transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out;
}
.filter-pill:hover{border-color:var(--c-line-strong);color:var(--c-text);}
.filter-pill.active{background:var(--c-primary-dim);border-color:rgba(22,224,166,.4);color:var(--c-primary);}
.filter-pill:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* ============ 紧凑条目列表 ============ */
.stack-list{display:flex;flex-direction:column;gap:14px;}
.item-card{
  display:grid;grid-template-columns:56px 1fr 22px;gap:16px;align-items:start;
  padding:20px 24px;background:var(--c-panel);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:border-color .24s ease-out,transform .18s ease-out,box-shadow .24s ease-out;
}
.item-card:hover{border-color:var(--c-line-strong);transform:translateY(-2px);box-shadow:var(--sh-2);}
.item-num{font-family:var(--font-num);font-size:20px;color:var(--c-accent);letter-spacing:.06em;padding-top:1px;}
.item-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.item-top h3{font-size:17px;font-weight:600;line-height:1.5;}
.item-card p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--c-text-2);}
.item-arrow{align-self:center;color:var(--c-text-3);font-size:14px;transition:transform .18s ease-out,color .18s ease-out;}
.item-card:hover .item-arrow{color:var(--c-primary);transform:translateX(4px);}
.badge-soft{
  display:inline-flex;align-items:center;font-size:12px;font-weight:500;line-height:1.6;
  padding:2px 10px;border-radius:999px;
  background:var(--c-primary-dim);color:var(--c-primary);border:1px solid rgba(22,224,166,.28);
}
.badge-amber{background:rgba(255,196,83,.12);color:var(--c-accent);border-color:rgba(255,196,83,.3);}
@media (max-width:575.98px){
  .item-card{grid-template-columns:40px 1fr;padding:18px;}
  .item-arrow{display:none;}
  .item-num{font-size:17px;}
}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;}
.split-text h2{font-size:clamp(24px,3vw,32px);line-height:1.25;display:flex;align-items:center;}
.split-text h2::before{
  content:"";display:inline-block;width:4px;height:24px;border-radius:2px;
  background:var(--c-primary);margin-right:12px;flex:0 0 auto;
}
.split-text p{margin-top:18px;font-size:16px;line-height:1.85;color:var(--c-text-2);}
.media-frame{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--c-line);}
.media-frame img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;top:0;left:0;width:56px;height:56px;
  background:linear-gradient(135deg,var(--c-primary),transparent);
  clip-path:polygon(0 0,100% 0,0 100%);opacity:.85;
}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.check-list li{
  list-style:none;display:flex;gap:12px;align-items:flex-start;
  font-size:15px;line-height:1.75;color:var(--c-text-2);
}
.check-list li i{color:var(--c-primary);font-size:14px;margin-top:6px;flex:0 0 auto;}
@media (max-width:991.98px){
  .split{grid-template-columns:1fr;gap:32px;}
}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px;}
.step{
  padding:24px 22px;border-radius:var(--r-card);background:var(--c-panel);
  border:1px solid var(--c-line);transition:border-color .24s ease-out,transform .18s ease-out;
}
.step:hover{border-color:var(--c-line-strong);transform:translateY(-2px);}
.step b{display:block;font-family:var(--font-num);font-size:22px;color:var(--c-accent);letter-spacing:.08em;}
.step h3{margin-top:12px;font-size:17px;font-weight:600;}
.step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--c-text-2);}
@media (max-width:991.98px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.steps{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-acc{margin-top:28px;border-top:1px solid var(--c-line);}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  width:100%;background:transparent;border:0;box-shadow:none;
  display:flex;align-items:center;gap:14px;
  padding:20px 0;font-size:16px;font-weight:500;color:var(--c-text);
  transition:color .18s ease-out;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);}
.faq-acc .accordion-button:hover{color:var(--c-primary);}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px;}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-button::before{
  content:"+";order:2;margin-left:auto;font-family:var(--font-num);
  font-size:22px;line-height:1;color:var(--c-text-3);
  transition:transform .24s ease-out,color .24s ease-out;
}
.faq-acc .accordion-button:not(.collapsed)::before{transform:rotate(45deg);color:var(--c-primary);}
.faq-num{font-family:var(--font-num);font-size:14px;color:var(--c-accent);letter-spacing:.06em;flex:0 0 auto;}
.faq-acc .accordion-body{padding:0 0 18px 40px;font-size:15px;line-height:1.8;color:var(--c-text-2);}
@media (max-width:575.98px){
  .faq-acc .accordion-button{font-size:15px;padding:18px 0;gap:10px;}
  .faq-acc .accordion-body{padding-left:30px;font-size:14.5px;}
}

/* ============ 交叉链接 ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px;}
.cross-card{
  display:flex;gap:16px;align-items:center;padding:18px;
  background:var(--c-panel);border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:border-color .24s ease-out,transform .18s ease-out,box-shadow .24s ease-out;
}
.cross-card:hover{border-color:var(--c-line-strong);transform:translateY(-2px);box-shadow:var(--sh-2);}
.cross-card img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.cross-card h3{font-size:16px;font-weight:600;}
.cross-card p{margin-top:4px;font-size:13.5px;line-height:1.7;color:var(--c-text-3);}
@media (max-width:991.98px){.cross-grid{grid-template-columns:1fr;}}

/* ============ CTA 条带 ============ */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:36px 40px;border-radius:var(--r-panel);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02)),var(--c-panel);
  border:1px solid var(--c-line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:520px;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  width:280px;height:44px;border-radius:var(--r-btn);
  background:var(--c-panel-2);border:1px solid var(--c-line);color:var(--c-text);
  padding:0 14px;font-size:14.5px;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cta-form input::placeholder{color:var(--c-text-3);}
.cta-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.cta-note{margin-top:14px;font-size:12.5px;color:var(--c-text-3);letter-spacing:.02em;}
@media (max-width:575.98px){
  .cta-band{padding:26px 22px;}
  .cta-form{width:100%;}
  .cta-form input{width:100%;}
  .cta-form .btn-glow{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{background:#060B16;border-top:1px solid var(--c-line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--c-text-3);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:var(--c-text-2);padding:5px 0;transition:color .18s ease-out,transform .18s ease-out;}
.footer-col a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-sub-row{display:flex;gap:8px;}
.footer-sub-row input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-btn);
  background:var(--c-panel-2);border:1px solid var(--c-line);color:var(--c-text);
  padding:0 14px;font-size:14px;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.footer-sub-row input::placeholder{color:var(--c-text-3);}
.footer-sub-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.footer-sub-row button{
  height:44px;padding:0 18px;border-radius:var(--r-btn);border:0;cursor:pointer;
  background:linear-gradient(135deg,#16E0A6,#0FB3D6);color:#04140F;font-weight:600;font-size:14px;
  transition:transform .18s ease-out,box-shadow .24s ease-out;
}
.footer-sub-row button:hover{transform:translateY(-2px);box-shadow:0 14px 36px -6px rgba(22,224,166,.6);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);letter-spacing:.02em;
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  .site-footer{padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-desc{max-width:none;}
}

/* ============ 抽屉 ============ */
.offcanvas{background:var(--c-panel);color:var(--c-text);border-left:1px solid var(--c-line);}
.offcanvas-header{border-bottom:1px solid var(--c-line);}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.6);opacity:.7;}
.offcanvas .btn-close:hover{opacity:1;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  font-size:15px;color:var(--c-text-2);padding:12px 14px;border-radius:12px;
  border:1px solid transparent;transition:all .18s ease-out;
}
.drawer-nav a:hover{color:var(--c-text);background:rgba(255,255,255,.05);}
.drawer-nav a.active{color:var(--c-primary);background:var(--c-primary-dim);border-color:rgba(22,224,166,.35);}
.drawer-search{position:relative;display:flex;align-items:center;margin-bottom:18px;}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-btn);background:var(--c-panel-2);
  border:1px solid var(--c-line);color:var(--c-text);padding:0 40px 0 14px;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,166,.18);}
.drawer-search i{position:absolute;right:14px;color:var(--c-text-3);}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}