/* roulang page: index */
:root{
  --ink:#101B2D;
  --ink-2:#55637A;
  --ink-3:#8A95A8;
  --line:#E2E8F1;
  --bg:#F4F6FA;
  --card:#FFFFFF;
  --panel:#EAEFF7;
  --mint:#EAF7F4;
  --navy:#14315E;
  --navy-d:#0B1B31;
  --navy-m:#2A5DA8;
  --teal:#12B9A0;
  --neon:#19E0BF;
  --orange:#FF6A2B;
  --dark-text:#E8F0FF;
  --r8:8px;--r12:12px;--r16:16px;--r22:22px;--rp:999px;
  --s1:0 1px 2px rgba(16,27,45,.06);
  --s2:0 6px 18px rgba(20,49,94,.08);
  --s3:0 18px 40px rgba(20,49,94,.14);
  --c:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;
}
img{max-width:100%;display:block;border:0}
a{color:var(--navy-m);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--teal)}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:600;text-align:left}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px}
::selection{background:rgba(25,224,191,.3)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{width:100%;max-width:var(--c);margin:0 auto;padding:0 24px}
.section{padding:64px 0}
.section-sm{padding:44px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:28px;color:var(--navy)}
.sec-head .sec-sub{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px}
.text-link{color:var(--navy-m);font-size:15px;display:inline-flex;align-items:center;gap:6px;font-weight:500}
.text-link .arw{transition:transform .2s ease;display:inline-block}
.text-link:hover .arw{transform:translateX(4px)}
.text-link:hover{color:var(--teal)}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:var(--navy-d);transition:box-shadow .25s ease,background-color .25s ease}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--neon) 0%,rgba(25,224,191,.35) 42%,rgba(25,224,191,0) 78%)}
.site-header.scrolled{box-shadow:var(--s2);background-color:rgba(11,27,49,.94)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:600;letter-spacing:.2px;flex:0 0 auto}
.logo:hover{color:#fff}
.logo .lg-mark{width:24px;height:24px;flex:0 0 auto}
.logo .lg-key{color:var(--neon)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{position:relative;color:#C3D2E8;font-size:15px;padding:8px 12px;border-radius:var(--r8);transition:color .2s ease,text-shadow .2s ease}
.nav a:hover{color:#fff;text-shadow:0 0 10px rgba(25,224,191,.55)}
.nav a.active{color:var(--neon);text-shadow:0 0 10px rgba(25,224,191,.5)}
.nav a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;background:var(--neon);box-shadow:0 0 10px rgba(25,224,191,.9);border-radius:2px}
.header-cta{flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1.5px solid transparent;border-radius:var(--rp);cursor:pointer;font-size:15px;font-weight:500;padding:0 22px;height:44px;transition:all .2s ease;text-align:center;white-space:nowrap}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-m);color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-glow{background:var(--neon);color:var(--navy-d);font-weight:600;box-shadow:0 0 0 rgba(25,224,191,0)}
.btn-glow:hover{color:var(--navy-d);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(25,224,191,.18),0 8px 24px rgba(25,224,191,.35)}
.btn-ghost{background:transparent;border-color:var(--navy-m);color:var(--navy-m)}
.btn-ghost:hover{background:#EAF1FB;color:var(--navy)}
.btn-line-light{background:transparent;border-color:rgba(232,240,255,.45);color:#E8F0FF}
.btn-line-light:hover{background:rgba(232,240,255,.1);color:#fff;border-color:var(--neon)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;pointer-events:none}
.burger{display:none;width:44px;height:44px;border:1.5px solid rgba(232,240,255,.25);border-radius:var(--r12);background:transparent;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{display:block;width:18px;height:2px;background:#DCE7F7;border-radius:2px;transition:all .25s ease}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 分类胶囊横滑条 ---------- */
.cat-strip{background:#fff;border-bottom:1px solid var(--line)}
.strip-inner{display:flex;gap:10px;align-items:center;height:56px;overflow-x:auto;scrollbar-width:none}
.strip-inner::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--rp);border:1px solid var(--line);background:#F8FAFD;color:var(--ink-2);font-size:14px;transition:all .2s ease}
.chip:hover{border-color:var(--neon);color:var(--navy);background:#fff}
.chip.active{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0 0 0 auto;width:min(320px,84vw);background:var(--navy-d);border-left:1px solid rgba(25,224,191,.35);transform:translateX(102%);transition:transform .3s ease;z-index:120;padding:24px 18px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer a{display:flex;align-items:center;height:48px;padding:0 14px;color:#C9D6EA;border-radius:var(--r12);border-left:4px solid transparent;font-size:16px}
.drawer a:hover{background:rgba(255,255,255,.05);color:#fff}
.drawer a.active{color:var(--neon);border-left-color:var(--neon);background:rgba(25,224,191,.08)}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;color:#fff}
.drawer-close{width:40px;height:40px;border-radius:var(--r12);border:1px solid rgba(232,240,255,.25);background:transparent;color:#DCE7F7;cursor:pointer}
.drawer-cta{margin-top:20px;width:100%}
.mask{position:fixed;inset:0;background:rgba(11,27,49,.6);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:110}
.mask.open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,27,49,.96) 0%,rgba(11,27,49,.86) 46%,rgba(11,27,49,.58) 100%)}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--neon),rgba(25,224,191,0))}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding:84px 0 92px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--neon);letter-spacing:1px;margin-bottom:18px}
.hero-eyebrow i{display:block;width:26px;height:2px;background:var(--neon);box-shadow:0 0 8px rgba(25,224,191,.9)}
.hero h1{font-size:40px;color:#fff;max-width:660px}
.hero-sub{margin-top:18px;color:#C6D4E9;font-size:17px;max-width:600px;line-height:1.8}
.hero-btns{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-tags{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.hero-tags span{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#D6E2F4;border:1px solid rgba(232,240,255,.24);border-radius:var(--rp);padding:5px 13px;background:rgba(255,255,255,.04)}
.hero-tags span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px rgba(25,224,191,.9)}
.hero-posters{position:relative;height:392px}
.hero-posters figure{position:absolute;margin:0;border-radius:var(--r16);overflow:hidden;box-shadow:0 22px 44px rgba(3,10,22,.55);border:1px solid rgba(232,240,255,.14);background:#0B1B31}
.hero-posters figure img{width:100%;height:100%;object-fit:cover}
.hero-posters .p1{width:62%;height:74%;top:0;right:0;transform:rotate(2.4deg);z-index:3}
.hero-posters .p2{width:52%;height:60%;bottom:6%;left:4%;transform:rotate(-3.2deg);z-index:4}
.hero-posters .p3{width:40%;height:44%;top:16%;left:0;transform:rotate(-1deg);opacity:.92;z-index:2}
.hero-posters figcaption{position:absolute;left:0;right:0;bottom:0;padding:10px 12px;font-size:12px;color:#DCE7F7;background:linear-gradient(180deg,rgba(11,27,49,0),rgba(11,27,49,.92))}

/* ---------- 通用卡片/徽章 ---------- */
.card{background:var(--card);border-radius:var(--r16);box-shadow:var(--s1);border:1px solid rgba(226,232,241,.9);transition:transform .3s ease,box-shadow .3s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--s3)}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--rp);font-size:12px;background:var(--mint);color:var(--navy);font-weight:500}
.badge-plain{background:var(--panel);color:var(--ink-2)}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.thumb{position:relative;overflow:hidden;border-radius:var(--r16) var(--r16) 0 0;background:var(--panel)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .thumb img{transform:scale(1.03)}

/* ---------- 横滑轨道 ---------- */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{content:"";position:absolute;top:0;bottom:24px;width:40px;z-index:3;pointer-events:none}
.rail-wrap::before{left:-1px;background:linear-gradient(90deg,var(--bg),rgba(244,246,250,0))}
.rail-wrap::after{right:-1px;background:linear-gradient(270deg,var(--bg),rgba(244,246,250,0))}
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 24px;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{display:none}
.rail>*{flex:0 0 auto;scroll-snap-align:start}
.rail-card{width:280px;display:flex;flex-direction:column;overflow:hidden}
.rail-card .thumb{height:175px;border-radius:var(--r16) var(--r16) 0 0}
.rail-card .rc-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.rail-card h3{font-size:17px;color:var(--navy);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card p{font-size:14px;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7}
.rail-nav{display:flex;gap:10px}
.rail-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;box-shadow:var(--s2);color:var(--navy);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease}
.rail-btn:hover{background:var(--neon);border-color:var(--neon);color:var(--navy-d)}

/* ---------- 热播区 ---------- */
.hot-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:32px;align-items:start}
.hot-feature{overflow:hidden;display:flex;flex-direction:column}
.hot-feature .thumb{height:320px;border-radius:var(--r22) var(--r22) 0 0}
.hot-feature .body{padding:22px 24px 24px}
.hot-feature h3{font-size:22px;color:var(--navy);margin-bottom:10px}
.hot-feature p{color:var(--ink-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rank-list{background:#fff;border-radius:var(--r22);box-shadow:var(--s1);border:1px solid rgba(226,232,241,.9);padding:10px 8px}
.rank-item{display:flex;gap:16px;align-items:flex-start;padding:15px 16px;border-radius:var(--r12);transition:background .2s ease,box-shadow .2s ease;position:relative}
.rank-item:hover{background:#F7F9FD;box-shadow:inset 3px 0 0 var(--neon)}
.rank-no{font-size:20px;font-weight:600;color:var(--orange);min-width:32px;line-height:1.5}
.rank-item h3{font-size:16px;color:var(--navy);margin-bottom:4px}
.rank-item p{font-size:13px;color:var(--ink-3);margin:0}
.rank-item .meta{margin-top:8px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.news-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r16);padding:20px 22px;box-shadow:var(--s1);transition:all .25s ease}
.news-card:hover{background:#F7F9FD;box-shadow:inset 3px 0 0 var(--neon),var(--s2);transform:translateX(2px)}
.news-card h3{font-size:17px;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:8px}
.news-card p{font-size:14px;color:var(--ink-2);line-height:1.7;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r16);padding:40px 24px;text-align:center;color:var(--ink-2)}
.empty svg{width:52px;height:52px;margin:0 auto 14px;display:block}
.empty p{margin:0 0 10px;font-size:15px}

/* ---------- 主题专区 ---------- */
.theme-band{margin-bottom:26px;border-radius:var(--r22);padding:26px 24px 10px}
.theme-band.band-a{background:#fff;box-shadow:var(--s2)}
.theme-band.band-b{background:var(--mint)}
.theme-band.band-c{background:var(--panel);border-left:4px solid var(--neon);border-radius:var(--r8)}
.band-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px;flex-wrap:wrap}
.band-head h3{font-size:20px;color:var(--navy)}
.band-head .band-note{font-size:14px;color:var(--ink-2)}
.band-c .rail-wrap::before{background:linear-gradient(90deg,var(--panel),rgba(234,239,247,0))}
.band-c .rail-wrap::after{background:linear-gradient(270deg,var(--panel),rgba(234,239,247,0))}
.band-b .rail-wrap::before{background:linear-gradient(90deg,var(--mint),rgba(234,247,244,0))}
.band-b .rail-wrap::after{background:linear-gradient(270deg,var(--mint),rgba(234,247,244,0))}
.band-card{width:260px;overflow:hidden;background:#fff;border-radius:var(--r16);box-shadow:var(--s1);transition:transform .3s ease,box-shadow .3s ease}
.band-card:hover{transform:translateY(-4px);box-shadow:var(--s3)}
.band-card .thumb{height:150px;border-radius:var(--r16) var(--r16) 0 0}
.band-card .bc-body{padding:14px 16px 16px}
.band-card h4{font-size:16px;color:var(--navy);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.band-card span{font-size:13px;color:var(--ink-3)}

/* ---------- 登录流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border-radius:var(--r22);box-shadow:var(--s2);overflow:hidden}
.flow-step{padding:28px 24px 30px;position:relative;border-right:1px solid var(--line)}
.flow-step:last-child{border-right:0}
.flow-step .fno{font-size:26px;font-weight:600;color:var(--orange);letter-spacing:1px;margin-bottom:12px}
.flow-step .ficon{width:40px;height:40px;border-radius:var(--r12);background:var(--mint);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.flow-step h3{font-size:17px;color:var(--navy);margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.7}
.flow-step::after{content:"";position:absolute;right:-7px;top:44px;width:12px;height:12px;border-radius:50%;background:var(--neon);box-shadow:0 0 0 4px rgba(25,224,191,.16);z-index:2}
.flow-step:last-child::after{display:none}

/* ---------- 信任区 ---------- */
.trust{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.trust-figure{margin:0;border-radius:var(--r22);overflow:hidden;box-shadow:var(--s3)}
.trust-figure img{width:100%;height:340px;object-fit:cover}
.trust-list{display:flex;flex-direction:column;gap:20px;margin-top:24px}
.trust-item{display:flex;gap:16px;align-items:flex-start}
.trust-item .ti-ico{width:44px;height:44px;flex:0 0 auto;border-radius:var(--r12);background:var(--panel);display:flex;align-items:center;justify-content:center}
.trust-item h3{font-size:17px;color:var(--navy);margin-bottom:6px}
.trust-item p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r12);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease}
.faq-item:hover{box-shadow:var(--s1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;background:transparent;border:0;padding:18px 20px;font-size:16px;font-weight:500;color:var(--ink);cursor:pointer;text-align:left;line-height:1.6}
.faq-q:hover{color:var(--navy-m)}
.faq-item.open .faq-q{color:var(--navy)}
.faq-sign{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--mint);color:var(--navy);display:inline-flex;align-items:center;justify-content:center;font-size:16px;transition:transform .26s ease}
.faq-item.open .faq-sign{transform:rotate(45deg);background:var(--navy);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a .inner{padding:0 20px 20px;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;background:var(--navy-d);overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(25,224,191,.10) 0 2px,rgba(25,224,191,0) 2px 46px)}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 240px at 12% 50%,rgba(25,224,191,.16),rgba(25,224,191,0) 70%)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:52px 0;flex-wrap:wrap}
.cta-inner h2{font-size:26px;color:#fff;max-width:620px}
.cta-inner p{color:#B9C7DD;font-size:15px;margin:10px 0 0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy-d);color:#B9C7DD;padding:56px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.site-footer h3{font-size:16px;color:#fff;margin-bottom:16px;font-weight:600}
.site-footer .f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:14px}
.site-footer .f-brand .lg-key{color:var(--neon)}
.site-footer p{color:#93A5C0;line-height:1.8;font-size:14px}
.site-footer li{margin-bottom:10px}
.site-footer a{color:#B9C7DD}
.site-footer a:hover{color:var(--neon)}
.f-contact li{color:#93A5C0}
.footer-bottom{border-top:1px solid rgba(232,240,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7E92B0}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;border:1px solid rgba(226,232,241,.9);background:#fff;color:var(--navy);box-shadow:var(--s3);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .25s ease;z-index:80}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--neon);border-color:var(--neon);color:var(--navy-d);transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero h1{font-size:36px}
}
@media (max-width:1024px){
  .nav{display:none}
  .burger{display:flex}
  .header-cta{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 0 72px}
  .hero-posters{height:260px;max-width:520px}
  .hot-grid{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr;gap:28px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step:nth-child(2){border-right:0}
  .flow-step:nth-child(1),.flow-step:nth-child(2){border-bottom:1px solid var(--line)}
  .flow-step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:44px 0}
  .container{padding:0 16px}
  .sec-head h2{font-size:22px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15.5px}
  .hero-posters{display:none}
  .hero-mini-rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;margin-top:30px;scrollbar-width:none}
  .hero-mini-rail::-webkit-scrollbar{display:none}
  .hero-mini-rail figure{flex:0 0 auto;width:200px;margin:0;border-radius:var(--r16);overflow:hidden;scroll-snap-align:start;border:1px solid rgba(232,240,255,.16)}
  .hero-mini-rail img{height:120px;width:100%;object-fit:cover}
  .hero-mini-rail figcaption{padding:10px 12px;font-size:12px;color:#DCE7F7;background:rgba(11,27,49,.85)}
  .news-grid{grid-template-columns:1fr}
  .rail-card{width:240px}
  .band-card{width:230px}
  .flow{grid-template-columns:1fr;position:relative;padding-left:22px;background:transparent;box-shadow:none;border-radius:0}
  .flow::before{content:"";position:absolute;left:8px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--neon),rgba(25,224,191,.15))}
  .flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--r16);box-shadow:var(--s1);margin-bottom:14px;border-right:1px solid var(--line)}
  .flow-step:nth-child(1),.flow-step:nth-child(2){border-bottom:1px solid var(--line)}
  .hot-feature .thumb{height:220px}
  .trust-figure img{height:230px}
  .cta-inner{padding:40px 0}
  .cta-inner h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .rail-wrap::before,.rail-wrap::after{display:none}
  .rail-nav{display:none}
}
@media (max-width:480px){
  .hero h1{font-size:24px}
  .hero-btns .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .news-card{padding:16px}
  .rail-card{width:220px}
  .rank-item{padding:12px 10px}
  .to-top{right:16px;bottom:18px}
}

/* roulang page: category1 */
:root{
  --ink:#14315E;
  --ink-dark:#0B1B31;
  --ink-mid:#2A5DA8;
  --teal:#12B9A0;
  --neon:#19E0BF;
  --orange:#FF6A2B;
  --bg:#F4F6FA;
  --card:#FFFFFF;
  --panel:#EAEFF7;
  --teal-bg:#EAF7F4;
  --deep-text:#E8F0FF;
  --text:#101B2D;
  --text-2:#55637A;
  --text-3:#8A95A8;
  --line:#E2E8F1;
  --s1:0 1px 2px rgba(16,27,45,.06);
  --s2:0 6px 18px rgba(20,49,94,.08);
  --s3:0 18px 40px rgba(20,49,94,.14);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --container:1240px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink-mid);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--teal);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea{font-family:inherit;font-size:15px;color:var(--text);}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--ink-dark);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header::after{
  content:"";
  display:block;
  height:2px;
  background:linear-gradient(90deg,var(--neon),rgba(25,224,191,.15) 55%,transparent);
}
.site-header.scrolled{box-shadow:var(--s2);background:rgba(11,27,49,.94);}
.head-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:600;
  color:#fff;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand:hover{color:#fff;}
.brand .lg-key{color:var(--neon);}
.brand svg{flex:none;}
.nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:#B9C7DD;
  border-radius:var(--r-sm);
  transition:color .2s ease,text-shadow .2s ease;
}
.nav a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  background:var(--neon);
  border-radius:2px;
  transform:scaleX(0);
  transition:transform .2s ease;
}
.nav a:hover{color:#fff;text-shadow:0 0 10px rgba(25,224,191,.45);}
.nav a.active{color:var(--neon);text-shadow:0 0 12px rgba(25,224,191,.55);}
.nav a.active::after{transform:scaleX(1);box-shadow:0 0 10px rgba(25,224,191,.8);}
.head-cta{display:flex;align-items:center;gap:12px;flex:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-pill);
  transition:transform .25s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--s1);}
.btn-primary:hover{background:var(--ink-mid);color:#fff;transform:translateY(-2px);box-shadow:var(--s2);}
.btn-glow{background:var(--neon);color:var(--ink-dark);box-shadow:0 0 0 rgba(25,224,191,0);}
.btn-glow:hover{color:var(--ink-dark);transform:translateY(-1px);box-shadow:0 0 22px rgba(25,224,191,.6);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(185,199,221,.55);}
.btn-ghost:hover{color:#fff;border-color:var(--neon);background:rgba(25,224,191,.1);}
.btn-outline{background:transparent;color:var(--ink-mid);border:1.5px solid var(--ink-mid);}
.btn-outline:hover{background:#EAF1FB;color:var(--ink);border-color:var(--ink);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.burger{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--r-md);
  border:1px solid rgba(185,199,221,.35);
  align-items:center;
  justify-content:center;
  margin-left:auto;
  flex:none;
}
.burger span{
  display:block;
  width:18px;
  height:2px;
  background:var(--neon);
  border-radius:2px;
  position:relative;
}
.burger span::before,.burger span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--neon);
  border-radius:2px;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 分类胶囊条 */
.cat-strip{
  background:linear-gradient(180deg,rgba(11,27,49,.98),rgba(11,27,49,.9));
  border-bottom:1px solid rgba(25,224,191,.16);
}
.cat-strip .container{
  display:flex;
  align-items:center;
  gap:12px;
  padding-top:12px;
  padding-bottom:12px;
  overflow-x:auto;
  scrollbar-width:none;
}
.cat-strip .container::-webkit-scrollbar{display:none;}
.cat-strip .strip-label{
  font-size:13px;
  color:#8A95A8;
  white-space:nowrap;
  flex:none;
}
.cat-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 16px;
  font-size:13.5px;
  color:var(--deep-text);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(185,199,221,.28);
  border-radius:var(--r-pill);
  white-space:nowrap;
  flex:none;
  transition:all .2s ease;
}
.cat-chip:hover{color:#fff;border-color:var(--neon);background:rgba(25,224,191,.12);}
.cat-chip.active{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,27,49,.6);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:80;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:290px;
  max-width:86vw;
  height:100%;
  background:#0B1B31;
  border-left:1px solid rgba(25,224,191,.4);
  box-shadow:-18px 0 40px rgba(0,0,0,.35);
  transform:translateX(102%);
  transition:transform .28s ease;
  z-index:90;
  padding:22px 18px 34px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer .d-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
}
.drawer .d-head b{color:#fff;font-size:16px;font-weight:600;}
.drawer .d-close{
  width:36px;height:36px;
  border-radius:var(--r-md);
  border:1px solid rgba(185,199,221,.3);
  color:var(--neon);
  font-size:20px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.drawer a.d-link{
  display:flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  color:#C8D4E6;
  font-size:15px;
  border-radius:var(--r-md);
  border-left:4px solid transparent;
  transition:all .2s ease;
}
.drawer a.d-link:hover,.drawer a.d-link.active{
  color:var(--neon);
  background:rgba(25,224,191,.08);
  border-left-color:var(--neon);
}
.drawer .btn{width:100%;margin-top:20px;}

/* ---------- 横幅 ---------- */
.page-hero{
  position:relative;
  min-height:240px;
  display:flex;
  align-items:center;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(11,27,49,.94) 0%,rgba(20,49,94,.82) 52%,rgba(11,27,49,.55) 100%);
}
.page-hero .container{
  position:relative;
  z-index:2;
  padding-top:38px;
  padding-bottom:38px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
}
.hero-copy{max-width:660px;}
.crumb{
  font-size:13px;
  color:#9FB0C8;
  margin-bottom:12px;
}
.crumb a{color:#9FB0C8;}
.crumb a:hover{color:var(--neon);}
.crumb .sep{margin:0 8px;color:rgba(159,176,200,.6);}
.crumb .cur{color:#E8F0FF;font-weight:600;}
.page-hero h1{
  font-size:34px;
  color:#fff;
  letter-spacing:.2px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--neon);
}
.page-hero .hero-sub{
  margin-top:12px;
  font-size:15.5px;
  color:#C9D6E8;
  line-height:1.8;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px;
  max-width:330px;
}
.tag-pill{
  padding:7px 15px;
  font-size:13px;
  border-radius:var(--r-pill);
  color:#E8F0FF;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(185,199,221,.3);
}
.tag-pill.on{
  background:var(--teal-bg);
  color:var(--ink);
  border-color:transparent;
  font-weight:600;
}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
.section.tight{padding:48px 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.sec-head h2{font-size:26px;}
.sec-head .sec-desc{margin-top:8px;font-size:15px;color:var(--text-2);max-width:640px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-mid);
  white-space:nowrap;
}
.link-more svg{transition:transform .2s ease;}
.link-more:hover svg{transform:translateX(4px);}

.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  font-size:12px;
  border-radius:var(--r-pill);
  background:var(--teal-bg);
  color:var(--ink);
  font-weight:600;
}
.badge.time{background:var(--panel);color:var(--ink-mid);font-weight:400;}
.badge.hot{background:#FFF0E8;color:#C24A13;font-weight:600;}

/* ---------- 混排主区 ---------- */
.lead-grid{
  display:grid;
  grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);
  gap:24px;
}
.feature-card{
  background:var(--card);
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--s1);
  transition:transform .3s ease,box-shadow .3s ease;
  display:flex;
  flex-direction:column;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--s3);}
.feature-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.feature-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.feature-card:hover .thumb img{transform:scale(1.03);}
.feature-card .thumb::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:58%;
  background:linear-gradient(180deg,transparent,rgba(11,27,49,.62));
}
.feature-card .thumb .thumb-tag{
  position:absolute;
  left:16px;
  bottom:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 13px;
  font-size:12.5px;
  font-weight:600;
  color:var(--ink-dark);
  background:var(--neon);
  border-radius:var(--r-pill);
}
.feature-card .body{padding:22px 24px 24px;}
.feature-card h3{
  font-size:21px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.feature-card .excerpt{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.meta-row{
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

.mini-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.mini-item{
  display:grid;
  grid-template-columns:112px minmax(0,1fr);
  gap:14px;
  padding:12px;
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--s1);
  transition:background .2s ease,box-shadow .25s ease,transform .25s ease;
  position:relative;
}
.mini-item::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--neon);
  opacity:0;
  transition:opacity .2s ease;
}
.mini-item:hover{background:#F7F9FD;box-shadow:var(--s2);transform:translateY(-2px);}
.mini-item:hover::before{opacity:1;}
.mini-item .mini-thumb{
  width:112px;
  height:76px;
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--panel);
}
.mini-item .mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-item h4{
  font-size:16px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mini-item h4 a{color:var(--ink);}
.mini-item h4 a:hover{color:var(--ink-mid);}
.mini-item .mini-meta{
  margin-top:8px;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  color:var(--text-3);
}

/* ---------- 资讯网格 ---------- */
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.news-card{
  background:var(--card);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--s1);
  display:flex;
  flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--s3);}
.news-card .thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--panel);
}
.news-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-card h3{
  font-size:17.5px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--ink-mid);}
.news-card .excerpt{
  margin-top:9px;
  font-size:14.5px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.news-card .meta-row{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}
.full-divider{
  grid-column:1 / -1;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line) 12%,var(--line) 88%,transparent);
  margin:6px 0;
}
.grid-note{
  grid-column:1 / -1;
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 20px;
  background:var(--teal-bg);
  border-radius:var(--r-md);
  font-size:14.5px;
  color:var(--ink);
}
.grid-note svg{flex:none;}

/* ---------- 数据条 ---------- */
.stat-band{
  background:var(--ink);
  border-radius:var(--r-xl);
  padding:30px 34px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  color:#fff;
  box-shadow:var(--s2);
}
.stat-band .st{display:flex;flex-direction:column;gap:6px;}
.stat-band .st b{
  font-size:24px;
  font-weight:600;
  color:var(--neon);
  letter-spacing:.5px;
}
.stat-band .st span{font-size:13.5px;color:#C9D6E8;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#C9D9EE;}
.faq-item.open{border-color:var(--neon);box-shadow:var(--s2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  text-align:left;
  line-height:1.6;
}
.faq-item.open .faq-q{color:var(--ink-mid);}
.faq-q .sign{
  flex:none;
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  color:var(--teal);
  font-size:20px;
  line-height:1;
  transition:transform .26s ease;
}
.faq-item.open .sign{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a .inner{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
  border-top:1px dashed var(--line);
  padding-top:16px;
  margin:0 0 0;
}

/* ---------- CTA 深色条 ---------- */
.cta-band{
  position:relative;
  background:var(--ink-dark);
  overflow:hidden;
  padding:56px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(25,224,191,.13) 0 2px,transparent 2px 22px);
  opacity:.85;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:linear-gradient(90deg,var(--neon),transparent 70%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:26px;}
.cta-inner p{margin-top:10px;color:#AFBFD6;font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-dark);
  color:#B9C7DD;
  padding:56px 0 0;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:38px;
}
.site-footer h3{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  font-weight:600;
}
.site-footer ul li{margin-bottom:11px;line-height:1.7;}
.site-footer a{color:#B9C7DD;}
.site-footer a:hover{color:var(--neon);}
.f-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:600;
  color:#fff;
  margin-bottom:14px;
}
.f-brand .lg-key{color:var(--neon);}
.site-footer p{line-height:1.85;color:#93A4BE;font-size:14px;max-width:340px;}
.f-contact li{color:#93A4BE;}
.footer-bottom{
  border-top:1px solid rgba(185,199,221,.18);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8296B2;
}

/* 回到顶部 */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--ink);
  color:var(--neon);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--s2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:all .25s ease;
  z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--ink-mid);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav{display:none;}
  .burger{display:flex;}
  .head-inner{height:60px;gap:16px;}
  .head-cta .btn{display:none;}
  .lead-grid{grid-template-columns:1fr;}
  .page-hero .container{flex-direction:column;align-items:flex-start;}
  .hero-tags{justify-content:flex-start;max-width:100%;}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));padding:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:48px 0;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .page-hero{min-height:auto;}
  .page-hero h1{font-size:26px;}
  .grid-2{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head h2{font-size:22px;}
  .feature-card h3{font-size:18.5px;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{padding-top:40px;}
}
@media (max-width:520px){
  .stat-band{grid-template-columns:1fr;padding:22px;}
  .mini-item{grid-template-columns:96px minmax(0,1fr);}
  .mini-item .mini-thumb{width:96px;height:68px;}
  .news-card .body{padding:16px;}
  .feature-card .body{padding:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{height:44px;font-size:14.5px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --brand:#14315E;
  --brand-deep:#0B1B31;
  --brand-mid:#2A5DA8;
  --teal:#12B9A0;
  --neon:#19E0BF;
  --orange:#FF6A2B;
  --bg:#F4F6FA;
  --card:#FFFFFF;
  --panel:#EAEFF7;
  --mist:#EAF7F4;
  --ink:#101B2D;
  --ink-2:#55637A;
  --ink-3:#8A95A8;
  --line:#E2E8F1;
  --on-dark:#E8F0FF;
  --s1:0 1px 2px rgba(16,27,45,.06);
  --s2:0 6px 18px rgba(20,49,94,.08);
  --s3:0 18px 40px rgba(20,49,94,.14);
  --r-s:8px; --r-m:12px; --r-l:16px; --r-xl:22px; --r-pill:999px;
  --container:1240px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
img{height:auto;border:0}
a{color:var(--brand-mid);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--brand)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:80;background:#0B1B31;transition:box-shadow .25s ease,background-color .25s ease}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;pointer-events:none;
  background:linear-gradient(90deg,rgba(25,224,191,0) 0%,#19E0BF 20%,rgba(25,224,191,.35) 58%,rgba(25,224,191,0) 100%)}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(11,27,49,.35);background:rgba(11,27,49,.95)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff;font-size:18px;font-weight:600;letter-spacing:.3px}
.logo:hover{color:#fff}
.logo .lg-key{color:var(--neon)}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav a{position:relative;display:inline-block;padding:6px 0;color:#B9C7DD;font-size:15px}
.nav a:hover{color:#fff}
.nav a.active{color:var(--neon);text-shadow:0 0 10px rgba(25,224,191,.5)}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--neon);box-shadow:0 0 8px rgba(25,224,191,.85)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(25,224,191,.35);background:transparent;color:var(--neon);cursor:pointer;align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--neon);background:rgba(25,224,191,.08)}

/* ============ buttons & links ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--s1)}
.btn-primary:hover{background:var(--brand-mid);color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-neon{background:var(--neon);color:var(--brand-deep)}
.btn-neon:hover{color:var(--brand-deep);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(25,224,191,.18),0 8px 22px rgba(25,224,191,.3)}
.btn-ghost{background:transparent;border-color:var(--brand-mid);color:var(--brand-mid)}
.btn-ghost:hover{background:#EAF1FB;color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-mid);font-size:14px;font-weight:600}
.text-link span{transition:transform .2s ease}
.text-link:hover{color:var(--teal)}
.text-link:hover span{transform:translateX(4px)}

/* ============ breadcrumb ============ */
.page-wrap{padding:26px 0 70px}
.crumb-row{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:7px;font-size:13px;color:var(--ink-2)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-mid)}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.back-link{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:13px;font-weight:600;box-shadow:var(--s1)}
.back-link:hover{color:var(--brand);border-color:rgba(25,224,191,.5);transform:translateY(-1px)}

/* ============ article head ============ */
.article-header{max-width:920px}
.article-title{font-size:40px;line-height:1.3;font-weight:600;color:var(--brand);letter-spacing:-.2px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--ink-2)}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--mist);color:var(--brand)}
.badge-time{background:var(--panel);color:var(--ink-2);font-weight:500}
.meta-item{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2)}
.meta-item svg{color:var(--teal)}
.hero-media{margin:26px 0 0;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--s2);background:var(--panel)}
.hero-media img{width:100%;aspect-ratio:16/6;object-fit:cover}

/* ============ layout ============ */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;margin-top:38px;align-items:start}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--s1);padding:34px 38px;font-size:16px;line-height:1.85;color:var(--ink)}
.article-body > :first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{position:relative;margin:40px 0 14px;padding-left:16px;font-size:22px;font-weight:600;line-height:1.35;color:var(--brand)}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:20px;border-radius:2px;background:var(--teal);box-shadow:0 0 8px rgba(18,185,160,.45)}
.article-body h3{margin:26px 0 10px;font-size:17px;font-weight:600;color:var(--brand-mid)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.3em}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--teal)}
.article-body a{color:var(--brand-mid);border-bottom:1px solid rgba(42,93,168,.3)}
.article-body a:hover{color:var(--teal);border-color:var(--teal)}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--mist);border-left:4px solid var(--teal);border-radius:0 var(--r-m) var(--r-m) 0;color:var(--ink-2)}
.article-body img{border-radius:var(--r-l);margin:20px 0;box-shadow:var(--s1)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th{background:#EAF1FB;color:var(--brand);text-align:left;font-weight:600}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line)}
.article-body strong{color:var(--brand)}

/* ============ sidebar ============ */
.sidebar{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:20px;box-shadow:var(--s1)}
.side-title{font-size:15px;font-weight:600;color:var(--brand);padding-bottom:12px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.hot-list{list-style:none}
.hot-list li{display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:0;padding-bottom:2px}
.hot-num{flex:0 0 auto;font-family:var(--mono);font-size:13px;font-weight:700;color:var(--orange);line-height:1.8}
.hot-list a{font-size:14px;line-height:1.7;color:var(--ink)}
.hot-list a:hover{color:var(--brand-mid)}
.side-tip{background:var(--mist);border-color:rgba(18,185,160,.25)}
.side-tip p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:10px 0 14px}

/* ============ empty state ============ */
.empty-state{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--s1);padding:56px 28px;text-align:center}
.empty-state svg{margin:0 auto 16px;color:var(--teal)}
.empty-title{font-size:18px;font-weight:600;color:var(--brand);margin:0 0 6px}
.empty-desc{font-size:14px;color:var(--ink-2);margin:0 0 18px}

/* ============ tags / pager / related ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--mist);border:1px solid rgba(18,185,160,.25);color:var(--brand);font-size:13px}
.tag:hover{background:var(--teal);border-color:var(--teal);color:#fff}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.pager-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:18px 20px;box-shadow:var(--s1);
  transition:box-shadow .28s ease,transform .28s ease,border-color .28s ease}
.pager-card:hover{box-shadow:var(--s3);transform:translateY(-4px);border-color:rgba(25,224,191,.45)}
.pager-label{display:block;font-size:12px;color:var(--ink-3);margin-bottom:6px}
.pager-title{display:block;font-size:15px;font-weight:600;color:var(--brand);line-height:1.6}
.pager-card:hover .pager-title{color:var(--brand-mid)}
.block-head{display:flex;align-items:baseline;justify-content:space-between;gap:18px;margin:44px 0 20px}
.block-head h2{font-size:22px;font-weight:600;color:var(--brand)}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rec-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--s1);
  transition:box-shadow .3s ease,transform .3s ease}
.rec-card:hover{box-shadow:var(--s3);transform:translateY(-4px)}
.rec-thumb{overflow:hidden;aspect-ratio:16/10;background:var(--panel)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:16px 18px 18px}
.rec-title{font-size:16px;font-weight:600;line-height:1.55;color:var(--brand);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{margin-top:10px;font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px}

/* ============ faq ============ */
.faq-wrap{max-width:960px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-m);background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item:hover{border-color:rgba(25,224,191,.4)}
.faq-item.open{border-color:rgba(25,224,191,.55);box-shadow:var(--s2)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:16px 18px;background:transparent;border:0;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--ink)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-sign{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .25s ease;color:var(--teal)}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-sign::before{left:4px;right:4px;top:10px;height:2px}
.faq-sign::after{top:4px;bottom:4px;left:10px;width:2px;transition:opacity .25s ease}
.faq-item.open .faq-sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{margin:0;padding:0 18px 18px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* ============ soft cta ============ */
.soft-cta{margin-top:56px;background:#fff;border:1.5px solid rgba(25,224,191,.55);border-radius:var(--r-xl);
  padding:32px 34px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;box-shadow:var(--s1)}
.soft-cta h2{font-size:22px;margin-bottom:8px}
.soft-cta p{font-size:14.5px;color:var(--ink-2);margin:0;max-width:56ch}
.soft-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ footer ============ */
.site-footer{background:#0B1B31;color:#B9C7DD;margin-top:76px;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600}
.f-brand .lg-key{color:var(--neon)}
.site-footer p{font-size:14px;line-height:1.85;color:#8FA3C0;margin:14px 0 0}
.site-footer h3{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:10px}
.site-footer li a{font-size:14px;color:#B9C7DD}
.site-footer li a:hover{color:var(--neon)}
.f-contact li{color:#8FA3C0;font-size:13.5px;line-height:1.75}
.footer-bottom{margin-top:44px;padding:20px 0 26px;border-top:1px solid rgba(185,199,221,.16);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7E90AC}

/* ============ to top ============ */
.to-top{position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;border:1px solid rgba(25,224,191,.4);
  background:#fff;color:var(--brand-mid);display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--s2);opacity:0;visibility:hidden;transform:translateY(10px);z-index:70;
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .25s ease,color .25s ease}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--neon);color:var(--brand-deep);border-color:var(--neon)}

/* ============ responsive ============ */
@media (max-width:1280px){
  .layout{gap:36px}
  .article-body{padding:30px 32px}
}
@media (max-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .article-title{font-size:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .nav{position:fixed;top:0;right:0;width:284px;height:100vh;margin:0;padding:88px 20px 24px;
    flex-direction:column;align-items:stretch;gap:6px;background:#0B1B31;z-index:90;
    border-left:1px solid rgba(25,224,191,.3);transform:translateX(100%);
    transition:transform .3s ease;overflow-y:auto}
  body.nav-open .nav{transform:translateX(0)}
  body.nav-open::before{content:"";position:fixed;inset:0;background:rgba(11,27,49,.55);z-index:85}
  .nav a{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:10px;font-size:16px;color:#C8D5E8}
  .nav a.active::after{display:none}
  .nav a.active{background:rgba(25,224,191,.1);box-shadow:inset 4px 0 0 var(--neon);text-shadow:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-neon{display:none}
  .header-inner{height:56px;gap:16px}
  .logo{font-size:16px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .page-wrap{padding:18px 0 54px}
  .article-title{font-size:28px}
  .article-body{padding:22px 18px;font-size:15.5px}
  .article-body h2{font-size:20px;margin-top:32px}
  .hero-media img{aspect-ratio:16/9}
  .pager{grid-template-columns:1fr}
  .rec-grid{display:grid;grid-auto-flow:column;grid-auto-columns:78%;grid-template-columns:none;
    overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:8px;
    scrollbar-width:none;-ms-overflow-style:none}
  .rec-grid::-webkit-scrollbar{display:none}
  .rec-card{scroll-snap-align:start}
  .sidebar{grid-template-columns:1fr}
  .soft-cta{padding:24px 20px}
  .soft-cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:480px){
  .article-title{font-size:24px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .soft-cta-actions .btn{width:100%}
  .crumb-row{flex-direction:column;align-items:flex-start;gap:12px}
  .back-link{width:auto}
  .block-head{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category2 */
:root{
  --c-primary:#14315E;
  --c-primary-dark:#0B1B31;
  --c-primary-mid:#2A5DA8;
  --c-teal:#12B9A0;
  --c-neon:#19E0BF;
  --c-orange:#FF6A2B;
  --bg:#F4F6FA;
  --card:#FFFFFF;
  --panel:#EAEFF7;
  --teal-soft:#EAF7F4;
  --text:#101B2D;
  --text-2:#55637A;
  --text-3:#8A95A8;
  --line:#E2E8F1;
  --s1:0 1px 2px rgba(16,27,45,.06);
  --s2:0 6px 18px rgba(20,49,94,.08);
  --s3:0 18px 40px rgba(20,49,94,.14);
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:22px;
  --r-pill:999px;
  --h-header:68px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary-mid);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-teal)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--c-primary);text-align:left}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-primary-dark);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header::after{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--c-neon),rgba(25,224,191,.18) 46%,transparent);
}
.site-header.scrolled{box-shadow:var(--s2);background:rgba(11,27,49,.94);backdrop-filter:blur(6px)}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:var(--h-header);
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:#fff}
.logo-text{font-size:18px;font-weight:600;letter-spacing:.2px;color:#fff;white-space:nowrap}
.lg-key{color:var(--c-neon)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:#C6D3E6;white-space:nowrap;
  transition:color .2s ease,text-shadow .2s ease,background-color .2s ease;
}
.nav a:hover{color:var(--c-neon);text-shadow:0 0 12px rgba(25,224,191,.55)}
.nav a.active{color:var(--c-neon);text-shadow:0 0 14px rgba(25,224,191,.6)}
.nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-neon);border-radius:2px;box-shadow:0 0 10px rgba(25,224,191,.85);
}
.header-cta{flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--s2)}
.btn-primary:hover{background:var(--c-primary-mid);color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(0)}
.btn-glow{background:var(--c-neon);color:var(--c-primary-dark)}
.btn-glow:hover{color:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(25,224,191,.22),0 8px 22px rgba(25,224,191,.35)}
.btn-ghost{background:transparent;color:var(--c-primary-mid);border:1.5px solid var(--c-primary-mid)}
.btn-ghost:hover{background:#EAF1FB;color:var(--c-primary);transform:translateY(-2px)}
.btn-onDark{background:transparent;color:#E8F0FF;border:1.5px solid rgba(232,240,255,.45)}
.btn-onDark:hover{background:rgba(25,224,191,.12);color:var(--c-neon);border-color:var(--c-neon)}
.btn:disabled,.btn[disabled]{opacity:.4;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary-mid)}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(4px)}

/* category bar */
.cate-bar{background:rgba(255,255,255,.06);border-top:1px solid rgba(255,255,255,.07)}
.cate-track{
  display:flex;align-items:center;gap:10px;
  padding-top:10px;padding-bottom:10px;
  overflow-x:auto;scrollbar-width:none;
}
.cate-track::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:32px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13.5px;color:#C6D3E6;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.pill:hover{color:var(--c-neon);border-color:rgba(25,224,191,.55);background:rgba(25,224,191,.1)}
.pill.active{background:var(--c-primary-mid);color:#fff;border-color:transparent}

/* drawer */
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-m);border:1px solid rgba(255,255,255,.22);color:#fff}
.nav-toggle:hover{border-color:var(--c-neon);color:var(--c-neon)}
.drawer-mask{position:fixed;inset:0;background:rgba(6,14,26,.55);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:80;
  width:290px;max-width:86vw;height:100%;
  background:#0B1B31;border-left:1px solid rgba(25,224,191,.35);
  transform:translateX(102%);transition:transform .3s ease;
  padding:18px 16px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;color:#E8F0FF}
.drawer-close{width:38px;height:38px;border-radius:var(--r-m);border:1px solid rgba(255,255,255,.2);color:#E8F0FF;display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--c-neon);color:var(--c-neon)}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-m);
  color:#C6D3E6;font-size:15px;border-left:4px solid transparent;
}
.drawer nav a:hover,.drawer nav a.active{color:var(--c-neon);background:rgba(25,224,191,.08);border-left-color:var(--c-neon)}

/* ---------- hero banner ---------- */
.page-banner{
  position:relative;
  min-height:280px;
  display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(11,27,49,.94) 0%,rgba(11,27,49,.78) 45%,rgba(11,27,49,.5) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  color:#E8F0FF;
}
.page-banner .container{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding-top:44px;padding-bottom:40px;
}
.banner-copy{max-width:660px}
.crumb{font-size:13px;color:#9FB3CE;margin-bottom:14px}
.crumb a{color:#9FB3CE}
.crumb a:hover{color:var(--c-neon)}
.crumb span.sep{margin:0 6px;color:#6C82A3}
.crumb .cur{color:#E8F0FF;font-weight:600}
.page-banner h1{font-size:40px;color:#fff;letter-spacing:.2px}
.page-banner .banner-sub{margin-top:14px;font-size:16px;line-height:1.85;color:#C6D3E6}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:12.5px;
  background:rgba(25,224,191,.12);color:#A9F2E3;border:1px solid rgba(25,224,191,.42);
}
.tag.solid{background:var(--c-neon);color:var(--c-primary-dark);border-color:transparent;font-weight:600}

/* ---------- layout ---------- */
.main-wrap{padding:56px 0 72px}
.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:44px;align-items:start}

/* anchor nav */
.anchor-nav{
  position:sticky;top:calc(var(--h-header) + 28px);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--s1);padding:18px 16px;
}
.anchor-nav h2{font-size:13px;letter-spacing:.16em;color:var(--text-3);font-weight:600;margin-bottom:12px}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px}
.anchor-nav a{
  position:relative;display:block;padding:10px 12px;
  font-size:14.5px;color:var(--text-2);border-radius:var(--r-s);
  border-left:4px solid transparent;
}
.anchor-nav a:hover{background:#F7F9FD;color:var(--c-primary)}
.anchor-nav a.active{color:var(--c-primary);font-weight:600;background:#F1F6FC;border-left-color:var(--c-neon)}
.anchor-nav .anchor-tip{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3);line-height:1.7}

/* content column */
.content-col{min-width:0}
.section{margin-bottom:56px}
.section:last-child{margin-bottom:0}
.section-head{margin-bottom:26px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-teal);font-weight:600;margin-bottom:10px}
.section-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--c-neon);border-radius:2px}
.section-head h2{font-size:28px}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:760px}

/* intro card */
.intro-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--s1);padding:26px 28px;margin-bottom:40px;
}
.intro-panel p{font-size:15.5px;color:var(--text-2)}
.intro-panel p + p{margin-top:1em}
.intro-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* step sequence */
.step{
  position:relative;
  display:grid;grid-template-columns:78px minmax(0,1fr);gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--s1);padding:24px 26px;margin-bottom:16px;
  transition:box-shadow .3s ease,transform .3s ease,border-color .3s ease;
}
.step:hover{box-shadow:var(--s3);transform:translateY(-4px);border-color:#D6E1F0}
.step-no{
  font-size:40px;font-weight:600;line-height:1;color:var(--c-orange);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;padding-top:2px;
}
.step-body h3{font-size:20px;margin-bottom:10px}
.step-body p{font-size:15.5px;color:var(--text-2)}
.step-body p + p{margin-top:.9em}
.dot-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.dot-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2);line-height:1.75}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--c-teal);
}
.note{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:16px;padding:14px 16px;
  background:var(--teal-soft);border-left:4px solid var(--c-neon);border-radius:0 var(--r-m) var(--r-m) 0;
}
.note svg{flex:0 0 auto;margin-top:4px}
.note p{font-size:14.5px;color:#204A46;line-height:1.75}
.note strong{color:var(--c-primary);font-weight:600}

/* media block */
.media-block{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--s1);padding:24px;
}
.media-block img{width:100%;height:280px;object-fit:cover;border-radius:var(--r-l)}
.media-block h3{font-size:20px;margin-bottom:12px}
.media-block > div > p{font-size:15.5px;color:var(--text-2)}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list .ck{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#EAF7F4;color:var(--c-teal);margin-top:3px;
}
.check-list h4{font-size:16px;color:var(--text);font-weight:600}
.check-list p{font-size:14.5px;color:var(--text-2);line-height:1.75;margin-top:2px}

/* troubleshoot rows */
.rows{border:1px solid var(--line);border-radius:var(--r-l);background:var(--card);overflow:hidden}
.row{
  display:grid;grid-template-columns:190px minmax(0,1fr);gap:20px;
  padding:18px 22px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease,box-shadow .2s ease;
}
.row:last-child{border-bottom:0}
.row:hover{background:#F7F9FD;box-shadow:inset 3px 0 0 var(--c-neon)}
.row .row-title{font-size:15.5px;font-weight:600;color:var(--c-primary)}
.row .row-desc{font-size:15px;color:var(--text-2);line-height:1.75}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:var(--teal-soft);color:#0F6D63;
}
.badge.warn{background:#FFF1EA;color:#B3421A}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item:hover{border-color:#D6E1F0;box-shadow:var(--s1)}
.faq-item.open{box-shadow:var(--s2);border-color:#CFE0F2}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item.open .faq-q{color:var(--c-primary)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform .26s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary-mid);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a-inner{padding:0 18px 18px;font-size:15px;color:var(--text-2);line-height:1.85}
.faq-a-inner p + p{margin-top:.8em}

/* CTA light */
.cta-light{
  position:relative;background:var(--card);border:1.5px solid var(--c-neon);
  border-radius:var(--r-xl);box-shadow:0 12px 30px rgba(25,224,191,.12);
  padding:34px 32px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-light h2{font-size:24px}
.cta-light p{margin-top:10px;font-size:15.5px;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* back to top */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:55;
  width:48px;height:48px;border-radius:50%;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--s2);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{color:var(--c-teal);border-color:var(--c-neon);box-shadow:0 0 0 4px rgba(25,224,191,.16),var(--s2)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-dark);color:#B9C7DD;padding:56px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.site-footer p{font-size:14px;line-height:1.85;color:#B9C7DD;margin-top:14px;max-width:340px}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer li{font-size:14px;line-height:1.7}
.site-footer a{color:#B9C7DD}
.site-footer a:hover{color:var(--c-neon)}
.f-contact li{color:#9FB3CE}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A9CB8;
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .layout{grid-template-columns:200px minmax(0,1fr);gap:32px}
}
@media (max-width:1024px){
  .page-banner h1{font-size:32px}
  .layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .anchor-nav{position:static;top:auto}
  .anchor-nav ul{flex-direction:row;flex-wrap:wrap;gap:6px}
  .anchor-nav a{border-left:0;border-bottom:3px solid transparent;border-radius:var(--r-s)}
  .anchor-nav a.active{border-left:0;border-bottom-color:var(--c-neon)}
  .anchor-nav .anchor-tip{display:none}
  .media-block{grid-template-columns:minmax(0,1fr);gap:22px}
  .media-block img{height:240px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  :root{--h-header:56px}
  .container{padding:0 16px}
  .nav{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .main-wrap{padding:36px 0 56px}
  .page-banner{min-height:240px}
  .page-banner .container{padding-top:32px;padding-bottom:28px}
  .page-banner h1{font-size:28px}
  .tag-row{justify-content:flex-start}
  .section{margin-bottom:40px}
  .section-head h2{font-size:22px}
  .step{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:20px 18px}
  .step-no{font-size:30px}
  .step-body h3{font-size:18px}
  .row{grid-template-columns:minmax(0,1fr);gap:6px;padding:16px 18px}
  .cta-light{padding:24px 20px}
  .cta-light h2{font-size:20px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .page-banner h1{font-size:24px}
  .step{grid-template-columns:minmax(0,1fr);gap:8px}
  .step-no{font-size:26px}
  .step-body h3{font-size:17px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .media-block{padding:16px}
  .media-block img{height:200px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category3 */
:root{
  --brand-900:#0B1B31;
  --brand-800:#14315E;
  --brand-600:#2A5DA8;
  --teal:#12B9A0;
  --neon:#19E0BF;
  --orange:#FF6A2B;
  --bg:#F4F6FA;
  --card:#FFFFFF;
  --panel:#EAEFF7;
  --teal-soft:#EAF7F4;
  --text:#101B2D;
  --text-2:#55637A;
  --text-3:#8A95A8;
  --line:#E2E8F1;
  --white:#FFFFFF;
  --s1:0 1px 2px rgba(16,27,45,.06);
  --s2:0 6px 18px rgba(20,49,94,.08);
  --s3:0 18px 40px rgba(20,49,94,.14);
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:22px;
  --r-pill:999px;
  --container:1240px;
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono: "SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--teal)}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--brand-800)}
p{margin:0}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.sec{padding:64px 0}
.sec-tight{padding:48px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-head h2{font-size:28px;letter-spacing:.2px}
.sec-head .sec-sub{margin-top:8px;color:var(--text-2);font-size:15.5px;max-width:760px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;white-space:nowrap}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--brand-900);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--neon) 0%,rgba(25,224,191,.35) 38%,rgba(25,224,191,0) 78%);
}
.site-header.scrolled{box-shadow:var(--s2);background:rgba(11,27,49,.94)}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:600;letter-spacing:.3px}
.logo:hover{color:#fff}
.logo-text .lg-key{color:var(--neon)}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav a{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:#C9D6EA;
  border-radius:var(--r-s);
  transition:color .2s ease,text-shadow .2s ease,background-color .2s ease;
}
.nav a:hover{color:#fff;text-shadow:0 0 10px rgba(25,224,191,.55);background:rgba(25,224,191,.06)}
.nav a.active{color:var(--neon);text-shadow:0 0 12px rgba(25,224,191,.6)}
.nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 10px rgba(25,224,191,.9);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-m);
  background:rgba(25,224,191,.08);border:1px solid rgba(25,224,191,.35);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--neon);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--neon);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand-800);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-glow{background:var(--neon);color:var(--brand-900)}
.btn-glow:hover{color:var(--brand-900);transform:translateY(-1px);box-shadow:0 0 0 4px rgba(25,224,191,.18),0 10px 26px rgba(25,224,191,.4)}
.btn-outline{background:transparent;border-color:var(--brand-600);color:var(--brand-600)}
.btn-outline:hover{background:#EAF1FB;color:var(--brand-800)}
.btn-outline-light{background:transparent;border-color:rgba(25,224,191,.75);color:var(--neon)}
.btn-outline-light:hover{background:rgba(25,224,191,.12);color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 分类胶囊横滑条 ---------- */
.cat-strip{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--s1)}
.cat-strip-inner{
  display:flex;gap:10px;align-items:center;height:56px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.cat-strip-inner::-webkit-scrollbar{display:none}
.cat-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--brand-800);background:#F7F9FD;border:1px solid var(--line);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.cat-pill:hover{background:#EAF1FB;color:var(--brand-800);border-color:#CBD9EE}
.cat-pill.active{background:var(--brand-800);color:#fff;border-color:var(--brand-800)}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-2)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--teal)}
.crumb span.sep{margin:0 8px;color:var(--text-3)}
.crumb strong{font-weight:600;color:var(--brand-800)}

/* ---------- 页头横幅 ---------- */
.page-hero{position:relative;margin-top:20px;border-radius:var(--r-xl);overflow:hidden;min-height:280px;display:flex;align-items:center}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,27,49,.94) 0%,rgba(11,27,49,.82) 46%,rgba(20,49,94,.5) 100%);
}
.page-hero .hero-body{position:relative;z-index:2;padding:44px 48px;max-width:760px}
.page-hero h1{color:#fff;font-size:36px;letter-spacing:.3px}
.page-hero p{margin-top:14px;color:#D3DFF2;font-size:15.5px;max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;background:rgba(25,224,191,.14);border:1px solid rgba(25,224,191,.45);color:#CFF7EE;
}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;background:var(--teal-soft);color:var(--brand-800);border:1px solid #CFE9E2;
}
.badge-time{background:#EEF3FB;color:var(--text-2);border-color:#DCE5F2}

/* ---------- 双列分组 ---------- */
.support-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:32px;align-items:start}
.col-stack{display:flex;flex-direction:column;gap:24px}
.shot{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--s2);background:#fff}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.shot figcaption{padding:12px 18px;font-size:13px;color:var(--text-2)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--s1);padding:24px;
  transition:box-shadow .3s ease,transform .3s ease,border-color .3s ease;
}
.card:hover{box-shadow:var(--s3);transform:translateY(-4px);border-color:#D6E1F1}
.block-head{display:flex;gap:14px;align-items:flex-start}
.ico{
  flex:0 0 auto;width:44px;height:44px;border-radius:var(--r-m);
  display:flex;align-items:center;justify-content:center;
  background:var(--teal-soft);border:1px solid #CFE9E2;
}
.block-head h3{font-size:18px}
.block-head p{margin-top:6px;font-size:14px;color:var(--text-2)}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.point-list li{
  position:relative;padding:12px 14px 12px 40px;border-radius:var(--r-m);
  background:#F7F9FD;border:1px solid #EDF1F8;font-size:14.5px;color:var(--text);
  transition:background-color .2s ease,border-color .2s ease;
}
.point-list li:hover{background:#EEF4FF;border-color:#D8E4F7}
.point-list li::before{
  content:"";position:absolute;left:14px;top:20px;width:10px;height:10px;border-radius:3px;
  background:var(--teal);box-shadow:0 0 0 3px rgba(18,185,160,.14);
}
.point-list li strong{font-weight:600;color:var(--brand-800)}

/* ---------- FAQ ---------- */
.panel-head{margin-bottom:20px}
.panel-head h2{font-size:24px}
.panel-head .sec-sub{margin-top:8px;color:var(--text-2);font-size:14.5px}
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-m);background:#fff;overflow:hidden;box-shadow:var(--s1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--brand-800);line-height:1.6;
}
.faq-q:hover{color:var(--brand-600)}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;transition:transform .26s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--teal);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px;transition:opacity .2s ease}
.faq-item.open .faq-q{color:var(--brand-800)}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 18px 18px;font-size:14.5px;color:var(--text-2);margin:0}

/* ---------- 表单 ---------- */
.form-card{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--s2);padding:26px}
.form-card h2{font-size:22px}
.form-card .form-note{margin-top:8px;font-size:14px;color:var(--text-2)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field textarea{
  width:100%;height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:var(--r-m);
  background:#FCFDFF;color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{height:auto;min-height:120px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);background:#fff;box-shadow:0 0 0 2px rgba(25,224,191,.35);
}
.field-full{grid-column:1 / -1}
.form-actions{margin-top:20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-hint{font-size:13px;color:var(--text-3)}
.form-msg{margin-top:16px;display:none;padding:12px 16px;border-radius:var(--r-m);font-size:14px;
  background:var(--teal-soft);border:1px solid #CFE9E2;color:#0F6E5F}
.form-msg.show{display:block}

/* ---------- 安全习惯 ---------- */
.habit{background:var(--teal-soft);border-top:1px solid #D8EEE8;border-bottom:1px solid #D8EEE8}
.habit-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.habit-card{
  background:#fff;border:1px solid #D8EEE8;border-radius:var(--r-l);padding:22px;
  box-shadow:var(--s1);transition:transform .3s ease,box-shadow .3s ease;
}
.habit-card:hover{transform:translateY(-4px);box-shadow:var(--s3)}
.habit-card .num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--orange);font-weight:700;letter-spacing:1px;
}
.habit-card h3{margin-top:12px;font-size:17px}
.habit-card p{margin-top:8px;font-size:14px;color:var(--text-2)}

/* ---------- 浅色 CTA ---------- */
.cta-soft{
  background:#fff;border:1.5px solid rgba(25,224,191,.55);border-radius:var(--r-xl);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 0 0 6px rgba(25,224,191,.06),var(--s2);
}
.cta-soft h2{font-size:24px}
.cta-soft p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#B9C7DD;margin-top:72px;padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer p{font-size:14px;color:#9FB0CB;margin-top:14px;max-width:360px}
.f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600}
.f-brand .lg-key{color:var(--neon)}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul a{color:#B9C7DD;font-size:14px}
.site-footer ul a:hover{color:var(--neon)}
.f-contact li{font-size:14px;color:#9FB0CB;line-height:1.8}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(185,199,221,.18);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8DA0BE;
}

/* ---------- 回到顶部 ---------- */
.backtop{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--brand-800);color:#fff;border:0;display:none;align-items:center;justify-content:center;
  box-shadow:var(--s3);cursor:pointer;z-index:70;transition:background-color .2s ease,transform .2s ease;
}
.backtop.show{display:flex}
.backtop:hover{background:var(--brand-600);transform:translateY(-2px)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(11,27,49,.55);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:80}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(300px,86vw);
  background:var(--brand-900);border-left:1px solid rgba(25,224,191,.4);
  transform:translateX(100%);transition:transform .28s ease;z-index:90;
  padding:24px 20px;display:flex;flex-direction:column;gap:8px;
}
.drawer.show{transform:translateX(0)}
.drawer a{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:var(--r-m);
  color:#C9D6EA;font-size:15px;border-left:3px solid transparent;
}
.drawer a:hover{color:#fff;background:rgba(25,224,191,.08)}
.drawer a.active{color:var(--neon);border-left-color:var(--neon);background:rgba(25,224,191,.1)}
.drawer .drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:var(--r-m);background:rgba(25,224,191,.1);
  border:1px solid rgba(25,224,191,.4);color:var(--neon);cursor:pointer}
.drawer .btn{margin-top:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .page-hero h1{font-size:32px}
}
@media (max-width:1024px){
  .nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .support-grid{grid-template-columns:1fr}
  .habit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-soft{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:768px){
  .sec{padding:44px 0}
  .container{padding:0 16px}
  .page-hero{min-height:auto}
  .page-hero .hero-body{padding:28px 22px}
  .page-hero h1{font-size:26px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .sec-head h2{font-size:22px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .habit-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .form-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .header-inner{height:56px}
  .page-hero h1{font-size:23px}
}