/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --bg:#070C14;
  --bg-2:#0D1522;
  --bg-3:#0A111C;
  --panel:rgba(18,30,46,.62);
  --panel-solid:#101A29;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --line-cyan:rgba(23,195,214,.28);
  --cyan:#17C3D6;
  --cyan-soft:rgba(23,195,214,.10);
  --lime:#C8F549;
  --lime-soft:rgba(200,245,73,.08);
  --orange:#FF7A45;
  --txt:#EAF1F8;
  --txt-2:#9FB0C3;
  --txt-3:#6C7E93;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:6px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --glow:0 0 20px rgba(23,195,214,.22);
  --maxw:1240px;
  --ease:.22s cubic-bezier(.4,0,.2,1);
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--cyan);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

/* ================= Foundation 覆盖 ================= */
.grid-container{max-width:var(--maxw);padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
@media screen and (min-width:1024px){
  .grid-container{padding-left:40px;padding-right:40px;}
}
.grid-x{margin-left:0;margin-right:0;}
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}
body,button,input{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;}
a{color:inherit;}

/* ================= 通用工具 ================= */
.section{padding:88px 0;}
.section-sm{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
.sec-head .sec-sub{margin-top:10px;font-size:15px;color:var(--txt-2);max-width:620px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--cyan);text-transform:uppercase;margin-bottom:12px;}
.sec-eyebrow::before{content:"";width:18px;height:1px;background:var(--lime);display:inline-block;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--txt-2);border-bottom:1px solid transparent;padding-bottom:2px;}
.link-more:hover{color:var(--lime);border-bottom-color:var(--lime);}
.link-more i{transition:transform var(--ease);font-style:normal;}
.link-more:hover i{transform:translateX(4px);}
.divider-line{height:1px;background:linear-gradient(90deg,transparent,rgba(23,195,214,.45),rgba(200,245,73,.35),transparent);}

/* ================= 顶部活动条 ================= */
.topbar{background:linear-gradient(90deg,rgba(23,195,214,.14),rgba(200,245,73,.08));border-bottom:1px solid var(--line);position:relative;z-index:70;}
.topbar-in{display:flex;align-items:center;gap:16px;min-height:42px;font-size:13.5px;color:var(--txt-2);}
.tb-live{display:inline-flex;align-items:center;gap:7px;color:var(--lime);white-space:nowrap;font-size:13px;}
.tb-live i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(200,245,73,.9);animation:pulse 2s infinite;}
.tb-txt{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--txt);}
.tb-count{white-space:nowrap;color:var(--txt-3);font-size:13px;}
.tb-count b{color:var(--cyan);font-variant-numeric:tabular-nums;}
.tb-close{width:26px;height:26px;border-radius:50%;color:var(--txt-3);font-size:17px;line-height:1;display:grid;place-items:center;transition:all var(--ease);}
.tb-close:hover{background:rgba(255,255,255,.08);color:#fff;}
.topbar.hide{display:none;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

/* ================= 导航 ================= */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,12,20,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background var(--ease),border-color var(--ease);}
.site-header.scrolled{background:rgba(7,12,20,.93);border-bottom-color:var(--line);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:150px;flex:0 0 auto;}
.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(140deg,rgba(23,195,214,.24),rgba(200,245,73,.10));border:1px solid rgba(23,195,214,.36);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt b{font-size:15.5px;font-weight:700;color:#fff;letter-spacing:.01em;}
.brand-txt i{font-style:normal;font-size:11.5px;color:var(--txt-3);letter-spacing:.08em;}
.brand:hover .brand-txt b{color:var(--lime);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{position:relative;display:inline-block;padding:8px 13px;border-radius:999px;font-size:14.5px;color:var(--txt-2);white-space:nowrap;}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-links a.active{color:#fff;}
.nav-links a.active::after{content:"";position:absolute;left:50%;bottom:2px;width:4px;height:4px;border-radius:50%;background:var(--lime);transform:translateX(-50%);box-shadow:0 0 8px rgba(200,245,73,.9);}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.status-chip{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 13px;border-radius:999px;font-size:12.5px;color:var(--lime);border:1px solid rgba(200,245,73,.35);background:rgba(200,245,73,.06);white-space:nowrap;}
.status-chip i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px rgba(200,245,73,.9);animation:pulse 2s infinite;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);color:var(--txt);align-items:center;justify-content:center;font-size:16px;}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ================= 按钮 ================= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:all var(--ease);}
.btn-primary{background:var(--lime);color:#08110A;box-shadow:0 8px 24px rgba(200,245,73,.18);}
.btn-primary:hover{background:#d8ff6b;color:#08110A;transform:translateY(-1px);box-shadow:0 10px 28px rgba(200,245,73,.32);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:transparent;color:var(--txt);border-color:var(--line-cyan);}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-1px);box-shadow:var(--glow);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ================= Hero ================= */
.hero{position:relative;padding:72px 0 80px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:linear-gradient(rgba(23,195,214,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(23,195,214,.55) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(120% 85% at 72% 6%,#000 0%,transparent 72%);
  mask-image:radial-gradient(120% 85% at 72% 6%,#000 0%,transparent 72%);
}
.hero-speed{position:absolute;pointer-events:none;height:2px;border-radius:2px;background:linear-gradient(90deg,transparent,rgba(200,245,73,.7),transparent);opacity:.08;}
.hero-speed.s1{top:16%;right:-8%;width:56%;}
.hero-speed.s2{top:38%;right:-14%;width:44%;}
.hero-speed.s3{bottom:14%;right:-4%;width:38%;}
.hero-inner{position:relative;z-index:2;}
.hero-badge{display:inline-flex;align-items:center;gap:9px;height:34px;padding:0 15px;border-radius:999px;font-size:13px;color:var(--lime);background:var(--lime-soft);border:1px solid rgba(200,245,73,.32);margin-bottom:22px;}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px rgba(200,245,73,.9);}
.hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.15;font-weight:700;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--txt-2);max-width:560px;margin-bottom:32px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:40px;}
.stat-badge{flex:1 1 156px;min-width:150px;padding:15px 16px;border-radius:var(--r-md);background:var(--panel);border:1px solid var(--line);position:relative;overflow:hidden;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);}
.stat-badge::before{content:"";position:absolute;left:0;top:0;width:38px;height:1px;background:var(--lime);}
.stat-badge b{display:block;font-size:21px;font-weight:700;color:var(--lime);line-height:1.3;font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.stat-badge span{display:block;font-size:12.5px;color:var(--txt-3);margin-top:2px;}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/12;background:var(--bg-2);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,20,.12),rgba(7,12,20,.82));}
.hero-media::before{content:"";position:absolute;left:0;top:0;bottom:0;width:1px;background:linear-gradient(180deg,transparent,var(--lime),transparent);z-index:3;}
.hero-media-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:4;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--txt-2);}
.hero-media-cap b{color:#fff;font-weight:600;font-size:14px;}

/* ================= 主张带 ================= */
.claims{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-3);}
.claims-in{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;padding:20px 0;}
.claims-in span{position:relative;padding:0 30px;font-size:15px;color:var(--txt-2);}
.claims-in span b{color:var(--txt);font-weight:600;}
.claims-in span+span::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:16px;background:var(--line-2);}

/* ================= 图文区块 ================= */
.story-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--bg-2);}
.story-media img{width:100%;height:100%;object-fit:cover;}
.story-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(7,12,20,.10),rgba(7,12,20,.7));}
.story-body h2{font-size:clamp(24px,3vw,33px);margin-bottom:20px;}
.story-body p{color:var(--txt-2);margin-bottom:16px;font-size:16.5px;}
.story-body p strong{color:var(--txt);font-weight:600;}
.story-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.story-points li{display:flex;gap:12px;font-size:15px;color:var(--txt-2);}
.story-points li i{color:var(--lime);font-style:normal;flex:0 0 auto;margin-top:2px;}

/* ================= 磁贴精选 ================= */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(178px,auto);gap:20px;}
.tile{position:relative;display:block;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--panel);min-height:178px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);}
.tile:hover{transform:translateY(-3px);border-color:var(--line-cyan);box-shadow:var(--shadow),var(--glow);color:inherit;}
.tile-lg{grid-column:span 2;grid-row:span 2;}
.tile-img{position:absolute;inset:0;}
.tile-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.tile:hover .tile-img img{transform:scale(1.04);}
.tile-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,20,.16) 20%,rgba(7,12,20,.9));}
.tile-body{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;gap:8px;}
.tile-tag{align-self:flex-start;font-size:12px;padding:3px 10px;border-radius:var(--r-sm);color:var(--cyan);border:1px solid var(--line-cyan);background:rgba(23,195,214,.08);}
.tile h3{font-size:19px;line-height:1.45;color:#fff;}
.tile-lg h3{font-size:24px;}
.tile p{font-size:14px;color:var(--txt-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tile-go{margin-top:6px;font-size:13.5px;color:var(--lime);display:inline-flex;align-items:center;gap:6px;}
.tile:hover .tile-go{color:var(--lime);}

/* ================= 最新信息列表 ================= */
.list-cards{display:flex;flex-direction:column;gap:16px;}
.list-card{display:flex;gap:20px;padding:18px 20px;border-radius:var(--r-md);background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);position:relative;overflow:hidden;transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);}
.list-card::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--cyan);transition:background var(--ease);}
.list-card:hover{transform:translateY(-2px);border-color:var(--line-cyan);box-shadow:var(--shadow);color:inherit;}
.list-card:hover::before{background:var(--lime);}
.lc-thumb{flex:0 0 88px;width:88px;height:88px;border-radius:var(--r-sm);background:linear-gradient(145deg,rgba(23,195,214,.20),rgba(200,245,73,.08)),var(--bg-2);border:1px solid var(--line);display:grid;place-items:center;position:relative;overflow:hidden;}
.lc-thumb::after{content:"";position:absolute;left:0;top:0;width:26px;height:1px;background:var(--lime);}
.lc-idx{font-size:20px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.lc-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:6px;}
.lc-cat{align-self:flex-start;font-size:12px;padding:2px 9px;border-radius:var(--r-sm);color:var(--cyan);border:1px solid var(--line-cyan);background:rgba(23,195,214,.07);}
.lc-title{font-size:18px;line-height:1.5;color:#fff;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.lc-desc{font-size:14px;line-height:1.7;color:var(--txt-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lc-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--txt-3);margin-top:2px;}
.lc-meta i{font-style:normal;color:var(--lime);transition:transform var(--ease);}
.list-card:hover .lc-meta i{transform:translateX(4px);}
.empty-state{border:1px dashed var(--line-2);border-radius:var(--r-md);padding:44px 24px;text-align:center;color:var(--txt-3);font-size:15px;background:rgba(255,255,255,.015);}
.empty-state span{display:block;margin-top:8px;font-size:13px;color:var(--txt-3);}

/* ================= 信任背书 ================= */
.trust-wrap{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.data-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.data-card{padding:22px 20px;border-radius:var(--r-md);background:var(--panel);border:1px solid var(--line);position:relative;overflow:hidden;}
.data-card::before{content:"";position:absolute;left:20px;top:0;width:34px;height:1px;background:var(--lime);}
.data-card b{display:block;font-size:30px;font-weight:700;color:var(--lime);line-height:1.25;font-variant-numeric:tabular-nums;}
.data-card span{display:block;font-size:14px;color:var(--txt);margin-top:4px;}
.data-card em{display:block;font-style:normal;font-size:12.5px;color:var(--txt-3);margin-top:6px;line-height:1.6;}
.qual-bar{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:34px;padding:20px 24px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(255,255,255,.02);}
.qual-bar span{font-size:13.5px;color:var(--txt-3);letter-spacing:.04em;filter:grayscale(1);opacity:.72;}
.quote{margin-top:28px;padding:24px 26px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--panel);position:relative;}
.quote::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;background:var(--cyan);}
.quote p{font-size:16px;color:var(--txt);line-height:1.8;padding-left:16px;}
.quote cite{display:block;margin-top:12px;padding-left:16px;font-style:normal;font-size:13.5px;color:var(--txt-3);}

/* ================= FAQ ================= */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;gap:18px;padding:22px 4px;text-align:left;transition:color var(--ease);}
.faq-num{flex:0 0 auto;font-size:15px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:.06em;}
.faq-txt{flex:1 1 auto;font-size:17px;font-weight:600;color:var(--txt);line-height:1.6;}
.faq-q:hover .faq-txt{color:var(--cyan);}
.faq-ico{flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line-2);color:var(--txt-2);font-size:12px;transition:transform var(--ease),border-color var(--ease),color var(--ease);}
.faq-item.open .faq-ico{transform:rotate(180deg);border-color:var(--lime);color:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{padding:0 4px 24px 48px;font-size:15.5px;line-height:1.9;color:var(--txt-2);}

/* ================= CTA / 表单 ================= */
.cta-band{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:52px 48px;box-shadow:var(--shadow);}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.16;}
.cta-band::after{content:"";position:absolute;left:0;top:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--lime),transparent);}
.cta-inner{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(23px,2.8vw,30px);margin-bottom:12px;}
.cta-band p{color:var(--txt-2);font-size:15.5px;max-width:520px;}
.form-row{display:flex;gap:12px;margin-top:18px;}
.form-input{flex:1 1 auto;height:48px;padding:0 16px;border-radius:999px;background:rgba(7,12,20,.72);border:1px solid var(--line-2);color:var(--txt);font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);min-width:0;}
.form-input::placeholder{color:var(--txt-3);}
.form-input:focus{outline:none;border-color:var(--cyan);box-shadow:var(--glow);}
.form-input.error{border-color:var(--orange);}
.form-tip{font-size:12.5px;color:var(--txt-3);margin-top:10px;}
.form-tip.err{color:var(--orange);}

/* ================= 页脚 ================= */
.site-footer{background:#050910;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.foot-col h4{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.04em;}
.foot-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{width:34px;height:34px;}
.foot-brand b{font-size:15.5px;color:#fff;}
.foot-brand i{display:block;font-style:normal;font-size:11.5px;color:var(--txt-3);letter-spacing:.08em;}
.foot-desc{font-size:14px;color:var(--txt-3);line-height:1.8;max-width:280px;}
.foot-list li{margin-bottom:11px;}
.foot-list a{font-size:14.5px;color:var(--txt-2);}
.foot-list a:hover{color:var(--cyan);}
.foot-contact{font-size:14px;color:var(--txt-2);line-height:1.9;}
.foot-contact em{font-style:normal;color:var(--txt-3);font-size:13px;}
.foot-bottom{margin-top:52px;border-top:1px solid var(--line);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--txt-3);}
.foot-bottom a{color:var(--txt-3);}
.foot-bottom a:hover{color:var(--cyan);}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;}

/* ================= 移动端抽屉 ================= */
.drawer{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#0A111C;border-left:1px solid var(--line);z-index:90;transform:translateX(102%);transition:transform .3s ease;display:flex;flex-direction:column;padding:22px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-mask{position:fixed;inset:0;background:rgba(4,8,14,.7);z-index:80;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--txt-2);}
.drawer-close:hover{border-color:var(--cyan);color:var(--cyan);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{padding:13px 14px;border-radius:var(--r-md);font-size:16px;color:var(--txt-2);border:1px solid transparent;}
.drawer-nav a:hover{background:rgba(255,255,255,.04);color:#fff;}
.drawer-nav a.active{color:#fff;border-color:var(--line-cyan);background:var(--cyan-soft);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;}

/* ================= 响应式 ================= */
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .status-chip{display:none;}
  .section{padding:64px 0;}
  .tiles{grid-template-columns:repeat(2,1fr);}
  .tile-lg{grid-column:span 2;grid-row:span 1;min-height:230px;}
  .data-row{grid-template-columns:repeat(2,1fr);}
  .hero{padding:52px 0 60px;}
  .hero-media{margin-top:36px;}
  .cta-band{padding:40px 30px;}
  .foot-desc{max-width:none;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .section{padding:46px 0;}
  .hero{padding:40px 0 46px;}
  .hero h1{font-size:clamp(26px,7.4vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-stats{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;margin-top:30px;-webkit-overflow-scrolling:touch;}
  .stat-badge{flex:0 0 158px;}
  .tiles{grid-template-columns:1fr;grid-auto-rows:minmax(190px,auto);}
  .tile-lg{grid-column:span 1;}
  .data-row{grid-template-columns:1fr;gap:14px;}
  .claims-in{flex-direction:column;align-items:flex-start;gap:10px;padding:18px 0;}
  .claims-in span{padding:0;}
  .claims-in span+span::before{display:none;}
  .list-card{flex-direction:row;gap:14px;padding:16px;}
  .lc-thumb{flex:0 0 64px;width:64px;height:64px;}
  .lc-title{font-size:16px;}
  .faq-txt{font-size:15.5px;}
  .faq-a-inner{padding-left:4px;}
  .faq-num{display:none;}
  .cta-band{padding:32px 20px;}
  .form-row{flex-direction:column;}
  .form-row .btn{width:100%;}
  .sec-head{margin-bottom:26px;}
  .quote{padding:20px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .brand-txt b{font-size:14.5px;}
}

/* roulang page: article */
:root{
  --bg:#070C14;
  --bg-deep:#050910;
  --panel:#0D1522;
  --card:rgba(18,30,46,0.62);
  --cyan:#17C3D6;
  --cyan-dim:rgba(23,195,214,0.14);
  --lime:#C8F549;
  --orange:#FF7A45;
  --text:#E8F1F8;
  --text-2:#B9C9DA;
  --muted:#8FA3B8;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:6px;
  --shadow:0 12px 32px rgba(0,0,0,0.45);
  --maxw:1240px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Semi Condensed","DIN Alternate","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--lime);}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:#fff;letter-spacing:.01em;}
p{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--lime);color:#08131A;padding:10px 16px;z-index:9999;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}

/* ============ 布局容器 ============ */
.grid-container{max-width:var(--maxw);padding-left:40px;padding-right:40px;margin:0 auto;width:100%;}
.grid-x{display:flex;flex-flow:row wrap;}
.cell{flex:0 0 auto;min-width:0;}
@media (min-width:1024px){
  .large-8{width:66.6667%;}
  .large-4{width:33.3333%;}
  .large-12{width:100%;}
}
@media (min-width:640px){
  .medium-6{width:50%;}
  .medium-12{width:100%;}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .grid-padding-x{margin-left:-12px;margin-right:-12px;}
  .grid-padding-x>.cell{padding-left:12px;padding-right:12px;}
  .medium-6{width:50%;}
  .medium-12{width:100%;}
}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .medium-6{width:100%;}
}
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  background:rgba(7,12,20,0.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 28px rgba(0,0,0,.35);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;min-width:140px;flex-shrink:0;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;flex-shrink:0;border-radius:12px;
  background:linear-gradient(140deg,rgba(23,195,214,.24),rgba(200,245,73,.10));
  border:1px solid var(--line-strong);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt b{font-size:16px;font-weight:700;color:#fff;letter-spacing:.02em;}
.brand-txt i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0 0 0 auto;padding:0;}
.nav-links a{
  display:inline-block;position:relative;padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);text-decoration:none;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05);text-decoration:none;}
.nav-links a.active{color:#fff;}
.nav-links a.active::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--lime);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:8px;}
.status-chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:999px;
  border:1px solid rgba(200,245,73,.45);font-size:12.5px;color:var(--lime);white-space:nowrap;
  background:rgba(200,245,73,.06);
}
.status-chip i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px var(--lime);animation:pulse 1.8s infinite ease-in-out;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);cursor:pointer;
}
.nav-toggle:hover{color:var(--cyan);border-color:rgba(23,195,214,.45);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;font-weight:600;cursor:pointer;
  text-decoration:none;font-family:inherit;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--lime);color:#08131A;}
.btn-primary:hover{background:#d7ff60;color:#08131A;transform:translateY(-1px);box-shadow:0 0 20px rgba(200,245,73,.35);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-1px);box-shadow:0 0 20px rgba(23,195,214,.22);}
.btn-ghost:active{transform:translateY(0);filter:brightness(.95);}
.btn-sm{padding:10px 18px;font-size:13.5px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn-block{width:100%;}

/* ============ 移动抽屉 ============ */
.m-drawer{
  position:fixed;inset:0;z-index:200;background:rgba(4,8,14,.72);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.m-drawer.is-open{opacity:1;visibility:visible;}
.m-drawer-inner{
  position:absolute;right:0;top:0;bottom:0;width:min(86vw,340px);
  background:linear-gradient(180deg,#0B1420,#070C14);
  border-left:1px solid var(--line);padding:22px 22px 32px;
  display:flex;flex-direction:column;gap:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
}
.m-drawer.is-open .m-drawer-inner{transform:translateX(0);}
.m-drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.m-close{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);cursor:pointer;}
.m-close:hover{color:var(--cyan);}
.m-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;}
.m-links li{border-bottom:1px solid var(--line);}
.m-links a{display:block;padding:15px 2px;font-size:15.5px;color:var(--text-2);text-decoration:none;}
.m-links a:hover{color:var(--cyan);}
.m-links a.active{color:var(--lime);}

/* ============ 文章头部 ============ */
.article-hero{position:relative;padding:44px 0 28px;overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(rgba(23,195,214,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(23,195,214,.5) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(circle at 20% 0%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 20% 0%,#000,transparent 72%);
}
.crumb{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:var(--muted);text-decoration:none;}
.crumb a:hover{color:var(--cyan);text-decoration:none;}
.crumb span{color:rgba(143,163,184,.55);}
.crumb em{
  font-style:normal;color:var(--text-2);max-width:340px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}
.article-head{position:relative;max-width:900px;}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.28;font-weight:700;margin:16px 0 18px;letter-spacing:.01em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
}
.meta-row i{color:var(--cyan);margin-right:4px;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(143,163,184,.5);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-sm);font-size:12.5px;font-weight:600;
  letter-spacing:.02em;white-space:nowrap;
}
.tag-cyan{background:rgba(23,195,214,.14);border:1px solid rgba(23,195,214,.38);color:var(--cyan);}
.tag-lime{background:rgba(200,245,73,.12);border:1px solid rgba(200,245,73,.42);color:var(--lime);}
.tag-orange{background:rgba(255,122,69,.12);border:1px solid rgba(255,122,69,.42);color:var(--orange);}

.hero-divider{
  height:1px;margin-top:34px;
  background:linear-gradient(90deg,rgba(200,245,73,.55),rgba(23,195,214,.35),transparent);
}

/* ============ 文章主体布局 ============ */
.article-layout{padding:48px 0 24px;align-items:flex-start;}
.article-main{min-width:0;}
.article-body{
  max-width:740px;width:100%;
  font-size:17px;line-height:1.9;color:var(--text-2);
  counter-reset:h3c;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;padding-left:16px;margin:2em 0 .8em;
  font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;color:#fff;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--lime);
}
.article-body h3{
  margin:1.7em 0 .6em;font-size:20px;line-height:1.5;font-weight:600;color:#fff;
  counter-increment:h3c;
}
.article-body h3::before{content:counter(h3c) ". ";color:var(--cyan);font-variant-numeric:tabular-nums;}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;color:#fff;font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body li{margin-bottom:.5em;line-height:1.8;}
.article-body li::marker{color:var(--cyan);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:2px solid var(--cyan);
  background:rgba(23,195,214,.06);border-radius:0 8px 8px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);border:1px solid var(--line);margin:1.6em auto;height:auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--lime);}
.article-body strong{color:#fff;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:1.6em 0;font-size:15px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:rgba(23,195,214,.10);color:#fff;font-weight:600;}
.article-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:.9em;background:rgba(23,195,214,.12);color:var(--lime);
  padding:2px 6px;border-radius:4px;
}
.article-body pre{
  background:#0A121E;border:1px solid var(--line);border-radius:10px;
  padding:18px;overflow-x:auto;margin:1.6em 0;
}
.article-body pre code{background:none;color:var(--text-2);padding:0;font-size:14px;line-height:1.7;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0;}

/* 空态 */
.empty-state{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);padding:44px 28px;text-align:center;
}
.empty-state h3{font-size:20px;margin-bottom:12px;color:#fff;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;line-height:1.8;}

/* ============ 侧栏 ============ */
.side-sticky{
  position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;
}
.side-card{
  position:relative;overflow:hidden;padding:22px;
  background:var(--card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);
}
.side-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,var(--lime),rgba(200,245,73,0));
}
.side-title{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;
}
.side-title span{font-size:11.5px;color:var(--muted);font-weight:400;}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{border-bottom:1px solid var(--line);}
.side-list li:last-child{border-bottom:none;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;font-size:14.5px;color:var(--text-2);text-decoration:none;
  transition:color .2s ease,padding-left .2s ease;
}
.side-list a i{font-size:11px;color:var(--muted);transition:color .2s ease;}
.side-list a:hover{color:var(--cyan);padding-left:5px;text-decoration:none;}
.side-list a:hover i{color:var(--cyan);}
.side-cta{
  background:linear-gradient(150deg,rgba(200,245,73,.14),rgba(23,195,214,.08) 55%,rgba(18,30,46,.62));
}
.side-cta h4{font-size:17px;margin-bottom:10px;color:#fff;}
.side-cta p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:18px;}
.side-note{
  display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--muted);
}
.side-note span{display:flex;align-items:center;gap:8px;}
.side-note i{color:var(--cyan);width:14px;text-align:center;}

/* ============ 上下篇 ============ */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  max-width:740px;margin-top:52px;padding-top:32px;border-top:1px solid var(--line);
}
.post-nav-item{
  position:relative;display:flex;flex-direction:column;gap:8px;
  padding:18px 20px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
  text-decoration:none;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.post-nav-item:hover{
  border-color:rgba(23,195,214,.42);transform:translateY(-2px);
  box-shadow:var(--shadow),0 0 20px rgba(23,195,214,.18);text-decoration:none;
}
.post-nav-item em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.06em;}
.post-nav-item strong{font-size:15px;color:#fff;font-weight:600;line-height:1.6;}
.post-nav-item.is-next{align-items:flex-end;text-align:right;}
.back-row{margin-top:26px;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);
  text-decoration:none;padding:8px 0;
}
.back-link:hover{color:var(--cyan);text-decoration:none;}

/* ============ 相关阅读 ============ */
.related{padding:56px 0 88px;}
.section-head-2{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head-2 h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;}
.section-head-2 .more{font-size:14px;color:var(--cyan);white-space:nowrap;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);text-decoration:none;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--lime),rgba(200,245,73,0));
}
.card:hover{
  transform:translateY(-3px);border-color:rgba(23,195,214,.38);text-decoration:none;
  box-shadow:var(--shadow),0 0 20px rgba(23,195,214,.22);
}
.card-thumb{position:relative;width:100%;aspect-ratio:16/9;background:linear-gradient(135deg,#0E1A28,#0A1119);overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;border:0;border-radius:0;margin:0;}
.card-thumb::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,20,.05),rgba(7,12,20,.72));z-index:1;}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1;}
.card-body h3{font-size:17px;line-height:1.55;font-weight:600;color:#fff;}
.card-body p{font-size:14px;line-height:1.75;color:var(--muted);}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;}
.card-meta i{color:var(--cyan);}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 0;}
.foot-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.foot-brand{display:flex;align-items:center;gap:10px;}
.foot-brand>span:last-child{display:flex;flex-direction:column;line-height:1.2;}
.foot-brand b{font-size:16px;color:#fff;font-weight:700;}
.foot-brand i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.08em;}
.foot-desc{font-size:14px;color:var(--muted);line-height:1.85;margin-top:16px;max-width:300px;}
.foot-list{list-style:none;margin:0;padding:0;}
.foot-list li{margin-bottom:10px;}
.foot-list a{font-size:14px;color:var(--muted);text-decoration:none;}
.foot-list a:hover{color:var(--cyan);text-decoration:none;}
.foot-contact{font-size:14px;color:var(--muted);line-height:2;}
.foot-contact em{font-style:normal;}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  margin-top:48px;padding:22px 0 30px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.foot-links{display:flex;flex-wrap:wrap;gap:18px;}
.foot-links a{color:var(--muted);text-decoration:none;font-size:13px;}
.foot-links a:hover{color:var(--cyan);text-decoration:none;}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .nav-links a{padding:9px 11px;font-size:14px;}
}
@media (max-width:1023px){
  .nav-links,.nav-right .status-chip,.nav-right .btn{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .article-layout{padding:36px 0 16px;}
  .side-sticky{position:relative;top:auto;margin-top:36px;}
  .foot-col{margin-top:0 !important;}
  .site-footer .cell+.cell .foot-col{margin-top:32px !important;}
  .related-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .article-hero{padding:32px 0 20px;}
  .article-head h1{font-size:clamp(24px,6vw,30px);}
  .crumb em{max-width:180px;}
  .article-body{font-size:16.5px;line-height:1.85;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.is-next{align-items:flex-start;text-align:left;}
  .related{padding:40px 0 64px;}
  .related-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 0;}
  .foot-bottom{flex-direction:column;align-items:flex-start;margin-top:36px;}
}
@media (max-width:520px){
  .nav-wrap{height:64px;}
  .brand-txt b{font-size:15px;}
  .brand-txt i{font-size:10px;}
  .brand{min-width:0;}
  .article-head h1{font-size:23px;}
  .btn-lg{padding:14px 22px;font-size:15px;}
  .related-grid{gap:18px;}
}

/* roulang page: category1 */
:root{
  --bg:#070C14;
  --panel:#0D1522;
  --panel-2:#121E2E;
  --primary:#17C3D6;
  --lime:#C8F549;
  --orange:#FF7A45;
  --text:#E9F0F8;
  --text-2:#A9B8CA;
  --muted:#8494A8;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(23,195,214,.34);
  --glass:rgba(18,30,46,.62);
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:6px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --shadow-hover:0 12px 32px rgba(0,0,0,.45),0 0 20px rgba(23,195,214,.22);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Barlow Semi Condensed","PingFang SC",system-ui,sans-serif;
  --max:1240px;
  --sp-1:24px;
}
*,*::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:1.8;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(900px 420px at 12% -6%, rgba(23,195,214,.10), transparent 70%),
    linear-gradient(180deg,#070C14 0%,#050810 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--primary);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

/* ============ 容器 ============ */
.grid-container{max-width:var(--max);margin:0 auto;padding-left:40px;padding-right:40px;width:100%;}
@media (max-width:1023px){.grid-container{padding-left:28px;padding-right:28px;}}
@media (max-width:639px){.grid-container{padding-left:20px;padding-right:20px;}}

/* ============ 顶部状态条 ============ */
.top-bar-strip{
  background:linear-gradient(90deg,rgba(23,195,214,.16),rgba(200,245,73,.10) 55%,rgba(255,122,69,.12));
  border-bottom:1px solid var(--line);
  font-size:13px;
}
.top-bar-strip .strip-inner{display:flex;align-items:center;gap:14px;justify-content:center;padding:9px 0;flex-wrap:wrap;}
.top-bar-strip .pulse{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,245,73,.14);animation:pulse 2.2s infinite ease-out;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(200,245,73,.35);}70%{box-shadow:0 0 0 10px rgba(200,245,73,0);}100%{box-shadow:0 0 0 0 rgba(200,245,73,0);}}
.top-bar-strip .strip-txt{color:var(--text-2);}
.top-bar-strip .strip-num{font-family:var(--font-num);font-weight:700;color:var(--lime);letter-spacing:.04em;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease;
}
.site-header.scrolled{background:rgba(7,12,20,.94);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;min-width:140px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(23,195,214,.10);
  border:1px solid rgba(23,195,214,.30);
  border-top:1px solid rgba(200,245,73,.7);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt b{font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em;}
.brand-txt i{font-style:normal;font-size:12px;color:var(--primary);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto;padding:0;}
.nav-links li a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--text-2);
}
.nav-links li a:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-links li a.active{color:#fff;background:rgba(23,195,214,.12);}
.nav-links li a.active::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px rgba(200,245,73,.8);
}
.nav-links li a.active{padding-left:18px;}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 12px;
  border-radius:999px;border:1px solid rgba(200,245,73,.45);
  background:rgba(200,245,73,.06);color:var(--lime);
  font-size:13px;white-space:nowrap;
}
.status-chip i{width:7px;height:7px;border-radius:50%;background:var(--lime);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);font-size:16px;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:#08111C;box-shadow:0 8px 22px rgba(200,245,73,.20);}
.btn-primary:hover{background:#d6ff5c;color:#08111C;transform:translateY(-1px);box-shadow:0 10px 26px rgba(200,245,73,.28),0 0 20px rgba(200,245,73,.24);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(200,245,73,.18);}
.btn-ghost{background:transparent;border-color:rgba(23,195,214,.45);color:var(--primary);}
.btn-ghost:hover{border-color:var(--primary);color:#7FE9F5;transform:translateY(-1px);box-shadow:0 0 18px rgba(23,195,214,.18);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}

/* ============ 分类页 Hero ============ */
.cat-hero{position:relative;overflow:hidden;padding:60px 0 42px;}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  opacity:.8;
}
.cat-hero .grid-container{position:relative;z-index:1;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{opacity:.5;}
.crumb .cur{color:var(--text-2);}
.badge-line{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;
  border-radius:var(--radius-sm);font-size:12.5px;letter-spacing:.04em;
  border:1px solid rgba(23,195,214,.32);background:rgba(23,195,214,.08);color:#8DE6F2;
}
.badge.lime{border-color:rgba(200,245,73,.38);background:rgba(200,245,73,.07);color:var(--lime);}
.badge.orange{border-color:rgba(255,122,69,.42);background:rgba(255,122,69,.08);color:var(--orange);}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:700;
  max-width:900px;margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--primary);}
.cat-hero .hero-sub{font-size:17px;line-height:1.9;color:var(--text-2);max-width:720px;}
.hero-divider{
  height:1px;margin-top:38px;
  background:linear-gradient(90deg,rgba(200,245,73,.7),rgba(23,195,214,.35) 40%,transparent 92%);
}
.anchor-bar{
  display:flex;gap:10px;margin-top:26px;overflow-x:auto;padding-bottom:4px;
  scrollbar-width:thin;
}
.anchor-bar a{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:14px;color:var(--text-2);
}
.anchor-bar a:hover{border-color:var(--line-strong);color:var(--primary);}
.anchor-bar a i{font-size:12px;color:var(--primary);}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section.tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;font-family:var(--font-num);font-size:13px;letter-spacing:.18em;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16.5px;}

/* ============ 步骤条 ============ */
.step-list{position:relative;padding-left:36px;}
.step-list::before{
  content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(200,245,73,.6),rgba(23,195,214,.35) 60%,rgba(255,255,255,.06));
}
.step-item{position:relative;padding-bottom:44px;}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";position:absolute;left:-36px;top:8px;width:28px;height:28px;border-radius:50%;
  background:var(--panel);border:2px solid rgba(200,245,73,.65);
}
.step-item::after{
  content:"";position:absolute;left:-29px;top:15px;width:14px;height:14px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,245,73,.9),rgba(23,195,214,.25));
}
.step-num{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.2em;
  color:var(--lime);margin-bottom:8px;display:block;
}
.step-item h3{font-size:21px;line-height:1.4;font-weight:600;margin-bottom:10px;}
.step-item p{color:var(--text-2);font-size:16px;margin-bottom:16px;}
.step-media{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  border-top:1px solid rgba(200,245,73,.55);
  background:linear-gradient(135deg,#0D1522,#121E2E);
  aspect-ratio:16/9;
}
.step-media img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.step-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.step-points span{
  font-size:13.5px;color:var(--text-2);padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}

/* ============ 速览粘性卡 ============ */
.quick-card{
  position:sticky;top:96px;
  border-radius:var(--radius-lg);padding:26px 24px;
  background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-left:1px solid rgba(200,245,73,.6);
  box-shadow:var(--shadow);
}
.quick-card h3{font-size:19px;margin-bottom:6px;}
.quick-card .quick-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.quick-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.07);}
.quick-list li:last-child{border-bottom:none;}
.quick-list .q-idx{
  font-family:var(--font-num);font-weight:700;font-size:13px;color:var(--lime);flex:0 0 24px;padding-top:3px;
}
.quick-list .q-txt{font-size:14.5px;color:var(--text-2);line-height:1.7;}
.quick-list .q-txt b{color:#fff;font-weight:600;display:block;margin-bottom:2px;font-size:15px;}
.quick-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.quick-cta .btn{width:100%;}
.quick-note{font-size:12.5px;color:var(--muted);margin-top:14px;text-align:center;}

/* ============ 提示卡网格 ============ */
.tip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.tip-card{
  border-radius:var(--radius);padding:24px 22px;
  background:rgba(13,21,34,.72);
  border:1px solid var(--line);
  border-top:1px solid rgba(23,195,214,.45);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(23,195,214,.35);}
.tip-card .tip-ico{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(23,195,214,.10);border:1px solid rgba(23,195,214,.28);color:var(--primary);
  margin-bottom:16px;font-size:16px;
}
.tip-card h3{font-size:18px;margin-bottom:10px;}
.tip-card p{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ============ 异常对照 ============ */
.compare-row{
  display:grid;grid-template-columns:1.2fr .8fr;gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(13,21,34,.6);
}
.compare-row > div{padding:20px 22px;}
.compare-row .c-left{border-right:1px solid var(--line);}
.compare-row .c-key{font-size:15.5px;color:#fff;font-weight:600;margin-bottom:6px;}
.compare-row .c-val{font-size:14.5px;color:var(--text-2);}
.compare-list{display:flex;flex-direction:column;gap:14px;}

/* ============ FAQ ============ */
.faq-wrap{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:18px;
  padding:22px 0;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item .f-idx{font-family:var(--font-num);font-weight:700;font-size:15px;color:var(--lime);flex:0 0 30px;padding-top:3px;letter-spacing:.06em;}
.faq-item .f-q{flex:1;font-size:17px;font-weight:600;line-height:1.6;}
.faq-item .f-arrow{color:var(--muted);font-size:14px;padding-top:5px;transition:transform .25s ease,color .2s ease;}
.faq-item[open] .f-arrow{transform:rotate(180deg);color:var(--lime);}
.faq-item summary:hover .f-q{color:var(--primary);}
.faq-item .f-a{padding:0 0 24px 48px;color:var(--text-2);font-size:15.5px;line-height:1.85;}
.faq-item .f-a strong{color:#fff;font-weight:600;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:46px 44px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(18,30,46,.92),rgba(9,15,25,.92));
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(200,245,73,.10),transparent 45%),
             repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 78px);
  opacity:.7;
}
.cta-band .cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);line-height:1.3;margin-bottom:12px;}
.cta-band p{color:var(--text-2);font-size:15.5px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;background:#050810;border-top:1px solid var(--line);padding:64px 0 28px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand span{display:flex;flex-direction:column;line-height:1.2;}
.foot-brand b{font-size:16px;color:#fff;}
.foot-brand i{font-style:normal;font-size:12px;color:var(--primary);letter-spacing:.06em;}
.foot-desc{font-size:14.5px;color:var(--muted);max-width:280px;}
.foot-col h4{font-size:14px;letter-spacing:.06em;color:#fff;margin-bottom:16px;}
.foot-list li{margin-bottom:10px;}
.foot-list a{font-size:14.5px;color:var(--text-2);}
.foot-list a:hover{color:var(--primary);}
.foot-contact{font-size:14.5px;color:var(--text-2);line-height:1.9;}
.foot-contact em{font-style:normal;color:var(--muted);}
.foot-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;}
.foot-links a{color:var(--muted);}
.foot-links a:hover{color:var(--primary);}

/* ============ 回到顶部 ============ */
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;height:40px;padding:0 18px;
  background:rgba(255,255,255,.03);
}
.to-top:hover{border-color:var(--line-strong);color:var(--primary);}

/* ============ 移动端 ============ */
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:300px;max-width:86vw;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:96px 22px 28px;margin:0;
    background:rgba(7,12,20,.98);border-left:1px solid var(--line);
    transform:translateX(105%);transition:transform .3s ease;z-index:80;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-links li a{padding:12px 14px;border-radius:12px;font-size:15.5px;}
  .nav-links li a.active{padding-left:18px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-right .status-chip{display:none;}
  .nav-right .btn{display:none;}
  .quick-card{position:static;margin-top:34px;}
  .tip-grid{grid-template-columns:1fr;}
  .cta-band .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .compare-row{grid-template-columns:1fr;}
  .compare-row .c-left{border-right:none;border-bottom:1px solid var(--line);}
}
@media (max-width:639px){
  .section{padding:52px 0;}
  .cat-hero{padding:40px 0 30px;}
  .cat-hero h1{font-size:30px;}
  .step-list{padding-left:30px;}
  .step-list::before{left:11px;}
  .step-item::before{left:-30px;width:24px;height:24px;}
  .step-item::after{left:-24px;top:13px;width:12px;height:12px;}
  .cta-band{padding:30px 22px;}
  .cta-actions .btn{width:100%;}
  .faq-item .f-a{padding-left:0;}
  .site-footer{padding-top:48px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg:#070C14;
  --panel:#0D1522;
  --panel-2:#101B2B;
  --cyan:#17C3D6;
  --lime:#C8F549;
  --orange:#FF7A45;
  --text:#E8F0F7;
  --muted:#8FA3B8;
  --muted-2:#6E8296;
  --line:rgba(255,255,255,.08);
  --card:rgba(18,30,46,.62);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:6px;
  --sh:0 12px 32px rgba(0,0,0,.45);
  --sh-hover:0 12px 32px rgba(0,0,0,.45),0 0 20px rgba(23,195,214,.22);
  --ease:.25s ease;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"Barlow Semi Condensed","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
.grid-container{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.site-header.scrolled{background:rgba(7,12,20,.94);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;min-width:140px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(23,195,214,.20),rgba(200,245,73,.07));
  border:1px solid rgba(23,195,214,.35);
  box-shadow:inset 0 1px 0 rgba(200,245,73,.28);
}
.brand-txt b{display:block;color:#fff;font-size:16px;line-height:1.15;letter-spacing:.01em;}
.brand-txt i{display:block;font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.16em;line-height:1.3;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  display:block;padding:8px 13px;border-radius:999px;
  color:#B9C9D8;font-size:14.5px;transition:color var(--ease),background var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-links a.active{color:#fff;background:rgba(23,195,214,.13);}
.nav-links a.active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--lime);margin-right:7px;vertical-align:middle;
  box-shadow:0 0 8px rgba(200,245,73,.9);
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--lime);
  border:1px solid rgba(200,245,73,.4);border-radius:999px;padding:5px 13px;white-space:nowrap;
}
.status-chip i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px var(--lime);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:#fff;cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(23,195,214,.5);color:var(--cyan);}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:306px;max-width:86vw;z-index:90;
  background:#0A111C;border-left:1px solid var(--line);
  transform:translateX(103%);transition:transform .32s ease;
  padding:24px 22px 32px;overflow-y:auto;display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{background:none;border:1px solid var(--line);color:#fff;width:38px;height:38px;border-radius:10px;cursor:pointer;}
.drawer-close:hover{border-color:rgba(23,195,214,.5);color:var(--cyan);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;color:#C6D5E2;font-size:15px;
  border:1px solid transparent;transition:var(--ease);
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:#fff;}
.drawer-nav a.active{background:rgba(23,195,214,.13);border-color:rgba(23,195,214,.35);color:#fff;}
.drawer-cta{margin-top:24px;}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);}
.overlay{
  position:fixed;inset:0;background:rgba(3,7,12,.66);z-index:85;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.overlay.open{opacity:1;pointer-events:auto;}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--lime),#A8DE2E);
  color:#0A1017;
  box-shadow:0 8px 24px rgba(200,245,73,.22);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 30px rgba(200,245,73,.34);}
.btn-primary:active{transform:translateY(0);filter:brightness(.95);}
.btn-ghost{
  background:rgba(255,255,255,.03);border-color:rgba(23,195,214,.5);color:#DCEAF5;
}
.btn-ghost:hover{background:rgba(23,195,214,.12);color:#fff;transform:translateY(-1px);box-shadow:0 0 18px rgba(23,195,214,.22);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;padding:4px 11px;border-radius:var(--r-sm);
  border:1px solid rgba(23,195,214,.4);color:var(--cyan);background:rgba(23,195,214,.08);
}
.tag-lime{border-color:rgba(200,245,73,.42);color:var(--lime);background:rgba(200,245,73,.08);}
.tag-orange{border-color:rgba(255,122,69,.45);color:var(--orange);background:rgba(255,122,69,.09);}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.28;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.18em;
  color:var(--cyan);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);display:inline-block;}
.divider-line{height:1px;background:linear-gradient(90deg,transparent,rgba(23,195,214,.55),rgba(200,245,73,.45),transparent);}

/* ============ 首屏 ============ */
.page-hero{position:relative;padding:64px 0 56px;overflow:hidden;}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.20;
}
.page-hero .hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,20,.78) 0%,rgba(7,12,20,.94) 62%,var(--bg) 100%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 84px);
}
.page-hero .grid-container{position:relative;z-index:2;}
.crumb{font-size:13px;color:var(--muted-2);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:22px;}
.crumb a{color:var(--muted);transition:var(--ease);}
.crumb a:hover{color:var(--cyan);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}
.crumb span.sep{color:rgba(255,255,255,.22);}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;}
.hero-copy h1{font-size:clamp(30px,4.6vw,46px);line-height:1.16;font-weight:700;margin:16px 0 18px;}
.hero-copy h1 em{font-style:normal;color:var(--lime);}
.hero-sub{color:#B4C6D6;font-size:17px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-badge{
  display:flex;align-items:baseline;gap:8px;padding:10px 16px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.hero-badge b{font-family:var(--num);font-size:22px;color:var(--lime);letter-spacing:.02em;}
.hero-badge span{font-size:13px;color:var(--muted);}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(7,12,20,.14),rgba(7,12,20,.68));
}
.hero-visual .v-line{position:absolute;top:0;left:0;width:2px;height:100%;background:linear-gradient(180deg,var(--lime),rgba(200,245,73,0));z-index:3;}
.hero-visual .v-tag{
  position:absolute;left:18px;bottom:18px;z-index:3;
  background:rgba(7,12,20,.72);border:1px solid rgba(200,245,73,.4);
  border-radius:var(--r-sm);padding:7px 13px;font-size:12.5px;color:var(--lime);
}
.anchor-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:26px;
  border-top:1px solid var(--line);
}
.anchor-bar a{
  font-size:13.5px;color:#BFD0DE;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);transition:var(--ease);
}
.anchor-bar a:hover{color:#0A1017;background:var(--lime);border-color:var(--lime);transform:translateY(-1px);}

/* ============ 双栏对照 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{
  position:relative;border-radius:var(--r-lg);padding:28px 26px 22px;
  background:var(--card);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh);
}
.compare-col::before{content:"";position:absolute;top:0;left:26px;right:26px;height:2px;border-radius:2px;}
.compare-col.do::before{background:linear-gradient(90deg,var(--lime),rgba(200,245,73,0));}
.compare-col.avoid::before{background:linear-gradient(90deg,var(--orange),rgba(255,122,69,0));}
.compare-col.do{box-shadow:var(--sh),inset 0 1px 0 rgba(200,245,73,.14);}
.compare-col.avoid{box-shadow:var(--sh),inset 0 1px 0 rgba(255,122,69,.14);}
.compare-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.compare-head .icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:16px;
}
.compare-col.do .icon{background:rgba(200,245,73,.12);color:var(--lime);border:1px solid rgba(200,245,73,.35);}
.compare-col.avoid .icon{background:rgba(255,122,69,.12);color:var(--orange);border:1px solid rgba(255,122,69,.4);}
.compare-head h3{font-size:21px;}
.compare-note{font-size:13.5px;color:var(--muted);margin-bottom:16px;}
.cmp-item{display:flex;gap:13px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.07);}
.cmp-item:last-child{border-bottom:0;padding-bottom:4px;}
.cmp-item .mk{flex-shrink:0;margin-top:5px;font-size:13px;}
.compare-col.do .mk{color:var(--lime);}
.compare-col.avoid .mk{color:var(--orange);}
.cmp-item h4{font-size:15.5px;font-weight:600;margin-bottom:3px;}
.cmp-item p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ 警示带 ============ */
.warn-band{
  display:flex;align-items:center;gap:16px;margin:32px 0 0;
  border-radius:var(--r-md);padding:18px 22px;
  border:1px solid rgba(255,122,69,.42);
  background:linear-gradient(90deg,rgba(255,122,69,.15),rgba(255,122,69,.03));
}
.warn-band .wi{
  width:42px;height:42px;flex-shrink:0;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,122,69,.16);color:var(--orange);font-size:17px;border:1px solid rgba(255,122,69,.4);
}
.warn-band strong{display:block;color:#FFD9C6;font-size:15.5px;font-weight:600;}
.warn-band span{font-size:13.5px;color:#C9AE9F;}

/* ============ 要点清单 ============ */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.check-card{
  position:relative;border-radius:var(--r-md);padding:24px 22px;
  background:var(--panel-2);border:1px solid var(--line);
  transition:var(--ease);
}
.check-card::before{
  content:"";position:absolute;top:0;left:22px;width:44px;height:2px;border-radius:2px;
  background:var(--lime);
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(23,195,214,.35);}
.check-card .cno{font-family:var(--num);font-size:13px;color:var(--cyan);letter-spacing:.16em;margin-bottom:10px;display:block;}
.check-card h3{font-size:18.5px;margin-bottom:9px;}
.check-card p{font-size:14.5px;color:var(--muted);line-height:1.78;}
.check-card ul{margin-top:12px;display:flex;flex-direction:column;gap:7px;}
.check-card ul li{position:relative;padding-left:16px;font-size:14px;color:#A9BCCB;}
.check-card ul li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:rgba(23,195,214,.8);}

/* ============ 自检步骤 ============ */
.step-wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:44px;align-items:start;}
.step-list{position:relative;padding-left:34px;}
.step-list::before{content:"";position:absolute;left:9px;top:8px;bottom:12px;width:1px;background:linear-gradient(180deg,rgba(200,245,73,.7),rgba(23,195,214,.25),transparent);}
.step{position:relative;padding-bottom:28px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-34px;top:6px;width:19px;height:19px;border-radius:50%;
  background:var(--bg);border:2px solid var(--lime);box-shadow:0 0 12px rgba(200,245,73,.45);
}
.step h3{font-size:17.5px;margin-bottom:8px;}
.step h3 em{font-style:normal;font-family:var(--num);color:var(--lime);font-size:14px;letter-spacing:.12em;margin-right:9px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.78;}
.step-visual{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);position:relative;
}
.step-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.step-visual .cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;font-size:13px;color:#CBD9E5;
  background:linear-gradient(180deg,rgba(7,12,20,0),rgba(7,12,20,.9));
}

/* ============ 数据条 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  border-radius:var(--r-md);padding:24px 22px;background:var(--card);
  border:1px solid var(--line);backdrop-filter:blur(14px);position:relative;overflow:hidden;
}
.stat-card::before{content:"";position:absolute;top:0;left:22px;width:34px;height:2px;background:var(--lime);}
.stat-card b{display:block;font-family:var(--num);font-size:34px;color:var(--lime);line-height:1.1;letter-spacing:.02em;}
.stat-card span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:22px 0;
  background:none;border:0;color:var(--text);text-align:left;cursor:pointer;font-size:16.5px;font-weight:600;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--cyan);}
.faq-num{font-family:var(--num);font-size:15px;color:var(--lime);letter-spacing:.1em;flex-shrink:0;}
.faq-arrow{margin-left:auto;color:var(--muted);transition:transform .3s ease,color var(--ease);font-size:13px;}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 46px 22px 47px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  position:relative;border-radius:var(--r-lg);padding:44px;overflow:hidden;
  border:1px solid rgba(23,195,214,.28);
  background:linear-gradient(120deg,rgba(13,21,34,.96),rgba(18,30,46,.82));
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--lime),transparent);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,195,214,.16),transparent 68%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);position:relative;z-index:2;}
.cta-band p{margin-top:12px;color:var(--muted);font-size:15px;max-width:620px;position:relative;z-index:2;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ============ 返回行 ============ */
.back-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:22px;
  padding:30px 0 68px;
}
.back-top{
  display:inline-flex;align-items:center;gap:9px;font-size:14px;color:#BFD0DE;
  padding:11px 22px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);transition:var(--ease);
}
.back-top:hover{border-color:rgba(200,245,73,.5);color:var(--lime);transform:translateY(-1px);}
.text-link{font-size:14px;color:var(--cyan);transition:var(--ease);}
.text-link:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#050910;border-top:1px solid var(--line);
  padding:62px 0 26px;margin-top:20px;
}
.foot-col{padding-right:12px;}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.foot-brand b{display:block;color:#fff;font-size:16px;line-height:1.2;}
.foot-brand i{display:block;font-style:normal;font-size:11.5px;color:var(--muted-2);letter-spacing:.14em;}
.foot-desc{font-size:14px;color:var(--muted);max-width:300px;line-height:1.75;}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:14px;}
.foot-list{display:flex;flex-direction:column;gap:10px;}
.foot-list a{font-size:14px;color:var(--muted);transition:var(--ease);}
.foot-list a:hover{color:var(--cyan);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.foot-contact{font-size:14px;color:var(--muted);line-height:1.9;}
.foot-contact em{font-style:normal;color:#9FB2C2;}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted-2);
}
.foot-links{display:flex;flex-wrap:wrap;gap:18px;}
.foot-links a{color:var(--muted-2);transition:var(--ease);}
.foot-links a:hover{color:var(--cyan);}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .status-chip{display:none;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual{aspect-ratio:16/10;}
  .step-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .compare-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .page-hero{padding:44px 0 40px;}
  .hero-badges{gap:10px;}
  .hero-badge{padding:9px 13px;}
  .hero-badge b{font-size:19px;}
  .faq-a p{padding:0 0 20px 47px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:560px){
  .stat-row{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .faq-q{font-size:15.5px;gap:12px;}
  .faq-a p{padding-left:0;}
  .anchor-bar a{font-size:13px;padding:7px 13px;}
}

/* roulang page: category3 */
:root{
  --bg:#070C14;
  --bg-2:#0D1522;
  --panel:rgba(18,30,46,0.62);
  --cyan:#17C3D6;
  --lime:#C8F549;
  --orange:#FF7A45;
  --text:#E8F1F8;
  --muted:#93A6BC;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:6px;
  --pill:999px;
  --shadow-card:0 12px 32px rgba(0,0,0,0.45);
  --shadow-glow:0 0 20px rgba(23,195,214,0.22);
  --sec-desktop:88px;
  --sec-tablet:60px;
  --sec-mobile:44px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 420px at 78% -6%, rgba(23,195,214,0.13), transparent 62%),
    radial-gradient(700px 380px at 6% 8%, rgba(200,245,73,0.07), transparent 60%);
  pointer-events:none;
  z-index:0;
}
h1,h2,h3,h4{font-family:inherit;color:var(--text);letter-spacing:0.01em;margin:0;}
p{margin:0;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease, opacity .2s ease;}
a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.grid-container{max-width:1240px;padding-left:20px;padding-right:20px;position:relative;z-index:2;}
@media (min-width:1024px){.grid-container{padding-left:40px;padding-right:40px;}}

section{position:relative;z-index:2;}
.sec{padding:var(--sec-mobile) 0;}
@media (min-width:640px){.sec{padding:var(--sec-tablet) 0;}}
@media (min-width:1024px){.sec{padding:var(--sec-desktop) 0;}}

.sec-head{margin-bottom:28px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--cyan);letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:10px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--lime);}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;}
.sec-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:720px;}

/* ============ 顶部状态条 ============ */
.status-bar{
  background:linear-gradient(90deg,rgba(200,245,73,0.12),rgba(23,195,214,0.10) 55%,rgba(255,122,69,0.10));
  border-bottom:1px solid var(--line);
  position:relative;z-index:60;
}
.status-bar .grid-container{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;}
.status-live{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--lime);
  border:1px solid rgba(200,245,73,0.5);
  border-radius:var(--pill);
  padding:3px 12px;
  white-space:nowrap;
}
.status-live i{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(200,245,73,0.15);animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.status-text{font-size:13.5px;color:var(--muted);}
.status-text b{color:var(--text);font-weight:600;}
.countdown{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.cd-unit{
  font-family:"Barlow Semi Condensed","PingFang SC",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:2px 9px;
  font-size:15px;font-weight:700;color:var(--lime);letter-spacing:.04em;
}
.cd-label{font-size:12px;color:var(--muted);margin-right:4px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.scrolled{
  background:rgba(7,12,20,0.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 26px rgba(0,0,0,0.4);
}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;min-width:140px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(23,195,214,0.22),rgba(200,245,73,0.12));
  border:1px solid var(--line-strong);
  position:relative;
}
.brand-mark::after{content:"";position:absolute;inset:0;border-radius:12px;border-top:1px solid rgba(200,245,73,0.55);}
.brand-txt{display:flex;flex-direction:column;line-height:1.15;}
.brand-txt b{font-size:16px;font-weight:700;color:#fff;letter-spacing:.02em;}
.brand-txt i{font-style:normal;font-size:12.5px;color:var(--cyan);letter-spacing:.06em;}
.nav-links{
  display:none;list-style:none;margin:0;padding:0;gap:6px;flex:1;
}
.nav-links li a{
  display:inline-flex;align-items:center;
  color:var(--text);font-size:14.5px;
  padding:8px 12px;border-radius:var(--pill);
  transition:color .2s ease,background .2s ease;
}
.nav-links li a:hover{color:var(--lime);background:rgba(255,255,255,0.05);text-decoration:none;}
.nav-links li a.active{color:#fff;background:rgba(23,195,214,0.14);position:relative;}
.nav-links li a.active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);
  position:absolute;left:-2px;top:50%;transform:translateY(-50%);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.status-chip{
  display:none;align-items:center;gap:7px;
  font-size:12.5px;color:var(--lime);
  border:1px solid rgba(200,245,73,0.45);
  border-radius:var(--pill);padding:4px 11px;white-space:nowrap;
}
.status-chip i{width:6px;height:6px;border-radius:50%;background:var(--lime);}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,0.05);
  border:1px solid var(--line-strong);
  color:var(--text);cursor:pointer;font-size:16px;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .status-chip{display:inline-flex;}
  .nav-toggle{display:none;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);border:1px solid transparent;
  font-size:14.5px;font-weight:600;letter-spacing:.02em;
  padding:12px 24px;cursor:pointer;
  transition:transform .18s ease,box-shadow .25s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);filter:brightness(0.94);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-primary{
  background:linear-gradient(135deg,#D6FF5C,#A9DC2E);
  color:#0A1017;
  box-shadow:0 8px 22px rgba(200,245,73,0.22);
}
.btn-primary:hover{box-shadow:0 10px 28px rgba(200,245,73,0.34);color:#0A1017;}
.btn-ghost{
  background:rgba(255,255,255,0.04);
  border-color:rgba(23,195,214,0.55);
  color:var(--cyan);
}
.btn-ghost:hover{background:rgba(23,195,214,0.12);color:#fff;border-color:var(--cyan);}
.btn-block{width:100%;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 52px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:0.22;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(7,12,20,0.94) 24%,rgba(7,12,20,0.62) 62%,rgba(7,12,20,0.9)),
    repeating-linear-gradient(90deg,rgba(23,195,214,0.06) 0 1px,transparent 1px 90px);
}
.page-hero .grid-container{position:relative;z-index:3;}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan);}
.crumb span.sep{margin:0 8px;color:rgba(255,255,255,0.28);}
.badge-line{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  border-radius:var(--radius-sm);padding:4px 10px;
  border:1px solid var(--line-strong);color:var(--muted);
  background:rgba(255,255,255,0.03);
}
.badge.b-cyan{color:var(--cyan);border-color:rgba(23,195,214,0.45);background:rgba(23,195,214,0.1);}
.badge.b-lime{color:var(--lime);border-color:rgba(200,245,73,0.45);background:rgba(200,245,73,0.09);}
.badge.b-orange{color:var(--orange);border-color:rgba(255,122,69,0.45);background:rgba(255,122,69,0.09);}
.page-hero h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.15;font-weight:700;
  max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.page-hero .lead{
  margin-top:16px;color:#C3D2E2;font-size:16.5px;line-height:1.85;max-width:720px;
}
.anchor-nav{
  display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;
}
.anchor-nav a{
  font-size:13.5px;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--pill);
  padding:7px 15px;background:rgba(13,21,34,0.6);
}
.anchor-nav a:hover{color:var(--lime);border-color:rgba(200,245,73,0.5);text-decoration:none;}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.hstat{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:12px 18px;min-width:132px;
  backdrop-filter:blur(14px);position:relative;
}
.hstat::before{content:"";position:absolute;top:0;left:14px;right:14px;height:1px;background:linear-gradient(90deg,var(--lime),transparent);}
.hstat b{
  display:block;font-family:"Barlow Semi Condensed",system-ui,sans-serif;
  font-size:24px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2;
}
.hstat span{font-size:13px;color:var(--muted);}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;margin-top:12px;
  display:grid;grid-template-columns:1fr;gap:26px;
}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(23,195,214,0.55),rgba(200,245,73,0.45),transparent);
}
.tl-item{position:relative;padding-left:34px;}
.tl-item::before{
  content:"";position:absolute;left:0;top:8px;width:13px;height:13px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 5px rgba(200,245,73,0.12);
}
.tl-date{
  display:inline-flex;align-items:center;gap:6px;
  font-family:"Barlow Semi Condensed",system-ui,sans-serif;
  font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--cyan);border:1px solid rgba(23,195,214,0.4);
  border-radius:var(--radius-sm);padding:2px 10px;margin-bottom:12px;
}
.tl-item h3{font-size:19px;font-weight:600;line-height:1.45;}
.tl-item p{color:var(--muted);font-size:15px;margin-top:8px;line-height:1.8;}
.tl-flag{
  display:inline-block;margin-top:10px;font-size:12.5px;color:var(--orange);
  border-left:2px solid var(--orange);padding-left:8px;
}
@media (min-width:900px){
  .timeline{grid-template-columns:repeat(4,1fr);gap:24px;padding-top:6px;}
  .timeline::before{
    left:4%;right:4%;top:22px;bottom:auto;width:auto;height:1px;
    background:linear-gradient(90deg,transparent,rgba(23,195,214,0.5) 12%,rgba(200,245,73,0.55) 50%,rgba(23,195,214,0.4) 88%,transparent);
  }
  .tl-item{padding-left:0;padding-top:52px;}
  .tl-item::before{top:16px;left:0;}
}

/* ============ 横向活动卡 ============ */
.hscroll-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px;}
.scroll-ctrl{display:flex;gap:10px;}
.scroll-ctrl button{
  width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,0.05);border:1px solid var(--line-strong);
  color:var(--text);cursor:pointer;transition:all .2s ease;
}
.scroll-ctrl button:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:var(--shadow-glow);}
.hscroll{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.hscroll::-webkit-scrollbar{height:6px;}
.hscroll::-webkit-scrollbar-thumb{background:rgba(23,195,214,0.35);border-radius:99px;}
.hcard{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  position:relative;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.hcard::before{
  content:"";position:absolute;top:0;left:0;width:60px;height:1px;background:var(--lime);
}
.hcard:hover{transform:translateY(-4px);border-color:rgba(23,195,214,0.45);box-shadow:var(--shadow-card),var(--shadow-glow);}
.hcard-img{width:100%;height:168px;object-fit:cover;background:linear-gradient(140deg,#0D1522,#132033);}
.hcard-body{padding:20px;}
.hcard-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.hcard-body p{color:var(--muted);font-size:14.5px;margin-top:8px;line-height:1.75;}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.card-meta .tick{
  font-family:"Barlow Semi Condensed",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;color:var(--lime);font-weight:700;
}
.tag{font-size:12px;border-radius:var(--radius-sm);padding:3px 9px;border:1px solid var(--line-strong);color:var(--muted);}
.tag.live{color:var(--lime);border-color:rgba(200,245,73,0.5);background:rgba(200,245,73,0.09);}
.tag.soon{color:var(--cyan);border-color:rgba(23,195,214,0.5);background:rgba(23,195,214,0.09);}
.tag.done{color:var(--muted);}
.tag.warn{color:var(--orange);border-color:rgba(255,122,69,0.5);background:rgba(255,122,69,0.08);}

/* ============ 参与说明三栏 ============ */
.steps-3{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.steps-3{grid-template-columns:repeat(3,1fr);}}
.svc{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 20px;position:relative;backdrop-filter:blur(14px);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.svc:hover{border-color:rgba(23,195,214,0.4);box-shadow:var(--shadow-glow);}
.svc::before{content:"";position:absolute;top:0;left:20px;width:44px;height:1px;background:var(--lime);}
.svc .ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(23,195,214,0.12);border:1px solid rgba(23,195,214,0.3);color:var(--cyan);font-size:17px;
  margin-bottom:16px;
}
.svc h3{font-size:19px;font-weight:600;}
.svc p{color:var(--muted);font-size:15px;margin-top:10px;line-height:1.8;}

/* ============ 提示带 ============ */
.notice-band{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid rgba(255,122,69,0.45);
  background:linear-gradient(90deg,rgba(255,122,69,0.14),rgba(255,122,69,0.04));
  border-radius:var(--radius-md);
  padding:18px 20px;
}
.notice-band i{color:var(--orange);font-size:17px;margin-top:4px;}
.notice-band p{font-size:15px;color:#E4DCD6;line-height:1.8;}
.notice-band p b{color:var(--orange);}

/* ============ FAQ ============ */
.faq-wrap{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  background:transparent;border:0;color:var(--text);text-align:left;
  padding:20px 0;cursor:pointer;font-size:16.5px;font-weight:600;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--lime);}
.faq-no{
  font-family:"Barlow Semi Condensed",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;
  color:var(--lime);flex:0 0 34px;
}
.faq-txt{flex:1;}
.faq-q .chev{color:var(--muted);transition:transform .28s ease;font-size:14px;}
.faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--cyan);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{color:var(--muted);font-size:15.5px;line-height:1.9;padding:0 0 22px 50px;}
@media (max-width:639px){.faq-a p{padding-left:0;}}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px 26px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:0.16;
}
.cta-band::after{
  content:"";position:absolute;top:0;left:26px;width:90px;height:1px;background:var(--lime);
}
.cta-band .inner{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;}
.cta-band p{color:var(--muted);font-size:15.5px;margin-top:12px;line-height:1.85;}
@media (min-width:900px){
  .cta-band{padding:46px 44px;}
}
.form-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;}
.form-row input[type="email"]{
  flex:1 1 240px;height:48px;border-radius:var(--radius-md);
  background:rgba(7,12,20,0.75);border:1px solid var(--line-strong);
  color:var(--text);padding:0 16px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input[type="email"]::placeholder{color:#7C8CA0;}
.form-row input[type="email"]:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(23,195,214,0.18);
}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;}
.form-note.err{color:var(--orange);}

/* ============ 页脚 ============ */
.site-footer{
  background:#050A11;
  border-top:1px solid var(--line);
  padding:56px 0 24px;
  margin-top:var(--sec-mobile);
  position:relative;z-index:2;
}
@media (min-width:1024px){.site-footer{padding-top:72px;margin-top:var(--sec-desktop);}}
.foot-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-brand{display:flex;align-items:center;gap:10px;}
.foot-brand b{font-size:16px;color:#fff;display:block;line-height:1.2;}
.foot-brand i{font-style:normal;font-size:12.5px;color:var(--cyan);}
.foot-desc{color:var(--muted);font-size:14px;margin-top:14px;line-height:1.8;max-width:320px;}
.foot-list{list-style:none;margin:0;padding:0;}
.foot-list li{margin-bottom:10px;}
.foot-list li a{color:var(--muted);font-size:14.5px;}
.foot-list li a:hover{color:var(--lime);}
.foot-contact{color:var(--muted);font-size:14.5px;line-height:1.9;}
.foot-contact em{font-style:normal;color:#B7C6D6;}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:40px;padding-top:20px;
  font-size:13px;color:#7C8CA0;
}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;}
.foot-links a{color:#7C8CA0;font-size:13px;}
.foot-links a:hover{color:var(--cyan);}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,8,14,0.7);
  backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:all .28s ease;z-index:90;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;
  background:#0A121D;border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s ease;
  z-index:95;padding:22px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,0.05);
  border:1px solid var(--line-strong);color:var(--text);cursor:pointer;
}
.drawer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.drawer-list a{
  display:block;padding:13px 14px;border-radius:12px;color:var(--text);font-size:15.5px;
  border:1px solid transparent;
}
.drawer-list a:hover{background:rgba(255,255,255,0.04);text-decoration:none;}
.drawer-list a.active{color:#fff;background:rgba(23,195,214,0.14);border-color:rgba(23,195,214,0.3);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
@media (min-width:1024px){.drawer,.drawer-mask{display:none;}}

/* roulang page: category4 */
:root{
  --bg:#070C14;
  --bg-2:#0D1522;
  --panel:rgba(18,30,46,.62);
  --panel-solid:#101A29;
  --cyan:#17C3D6;
  --cyan-dim:rgba(23,195,214,.14);
  --lime:#C8F549;
  --lime-dim:rgba(200,245,73,.10);
  --orange:#FF7A45;
  --text:#EAF2F8;
  --text-2:#A9BACB;
  --muted:#8FA3B8;
  --muted-2:#6F849A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:6px;
  --shadow:0 12px 32px rgba(0,0,0,.45);
  --glow:0 0 20px rgba(23,195,214,.22);
  --sec-pad:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit}
button,input,textarea,select{font-family:inherit}
::selection{background:rgba(200,245,73,.28);color:#fff}
.num{font-family:"Barlow Semi Condensed","Arial Narrow",Impact,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.02em}

.grid-container{max-width:1240px;margin:0 auto;padding-left:40px;padding-right:40px;width:100%}
.grid-x{display:flex;flex-flow:row wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px;min-width:0}
.grid-x>.small-12{flex:0 0 100%;max-width:100%}
@media screen and (min-width:640px){
  .grid-x>.medium-6{flex:0 0 50%;max-width:50%}
  .grid-x>.medium-12{flex:0 0 100%;max-width:100%}
}
@media screen and (min-width:1024px){
  .grid-x>.large-3{flex:0 0 25%;max-width:25%}
  .grid-x>.large-4{flex:0 0 33.3333%;max-width:33.3333%}
  .grid-x>.large-5{flex:0 0 41.6666%;max-width:41.6666%}
  .grid-x>.large-6{flex:0 0 50%;max-width:50%}
  .grid-x>.large-7{flex:0 0 58.3333%;max-width:58.3333%}
  .grid-x>.large-8{flex:0 0 66.6666%;max-width:66.6666%}
  .grid-x>.large-12{flex:0 0 100%;max-width:100%}
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;cursor:pointer;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0) scale(.99);filter:brightness(.94)}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-primary{background:var(--lime);color:#07110A;box-shadow:0 6px 20px rgba(200,245,73,.18)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 28px rgba(200,245,73,.3)}
.btn-ghost{background:transparent;color:#DCE8F2;border-color:var(--line-strong)}
.btn-ghost:hover{border-color:rgba(23,195,214,.6);color:#fff;background:var(--cyan-dim);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:var(--radius-sm);
  font-size:12.5px;letter-spacing:.04em;border:1px solid var(--line-strong);color:#C6D6E4;background:rgba(13,21,34,.7);
}
.badge-lime{border-color:rgba(200,245,73,.4);color:#E6FFA6;background:var(--lime-dim)}
.badge-cyan{border-color:rgba(23,195,214,.4);color:#B9EDF5;background:var(--cyan-dim)}
.badge-orange{border-color:rgba(255,122,69,.45);color:#FFC2A5;background:rgba(255,122,69,.09)}

.status-chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  font-size:12.5px;color:#CFEAF0;border:1px solid rgba(200,245,73,.36);background:var(--lime-dim);
}
.status-chip i{width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 9px var(--lime);animation:pulse 2s infinite ease-in-out}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{background:rgba(7,12,20,.92);border-bottom-color:var(--line);backdrop-filter:blur(14px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px;position:relative}

.brand{display:flex;align-items:center;gap:10px;min-width:140px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--cyan-dim);border:1px solid rgba(23,195,214,.32);flex:0 0 auto;
}
.brand-txt{display:flex;flex-direction:column;line-height:1.16}
.brand-txt b{font-size:15.5px;font-weight:700;color:#fff;letter-spacing:.01em}
.brand-txt i{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.08em}

.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{
  position:relative;display:block;padding:8px 14px;border-radius:999px;
  font-size:15px;color:#B9C7D6;text-decoration:none;transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);text-decoration:none}
.nav-links a.active{color:#fff;background:var(--lime-dim);padding-left:26px}
.nav-links a.active::before{
  content:"";position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px var(--lime);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(13,21,34,.85);color:#EAF2F8;font-size:16px;cursor:pointer;
  align-items:center;justify-content:center;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:rgba(23,195,214,.6);color:#fff}

@media screen and (max-width:1023px){
  .grid-container{padding-left:32px;padding-right:32px}
  .nav-links{
    position:absolute;top:70px;left:-32px;right:-32px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#0A1220;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:14px 32px 22px;display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:13px 12px;border-radius:12px;font-size:15.5px}
  .nav-links a.active{padding-left:26px}
  .nav-toggle{display:inline-flex}
  .nav-right .status-chip{display:none}
  .nav-right .btn{display:none}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px}
  .nav-links{left:-20px;right:-20px;padding-left:20px;padding-right:20px}
  .brand-txt b{font-size:14.5px}
  .brand-txt i{font-size:10.5px}
}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:96px 0 60px;
  background:
    radial-gradient(820px 380px at 82% -14%, rgba(23,195,214,.16), transparent 62%),
    radial-gradient(560px 300px at 4% 8%, rgba(200,245,73,.07), transparent 60%),
    linear-gradient(180deg,#070C14 0%,#0A1422 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
}
.page-hero .grid-container{position:relative;z-index:2}
.hero-tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:20px}
.page-hero h1{
  margin:0;font-size:clamp(28px,4vw,46px);line-height:1.15;font-weight:700;letter-spacing:.01em;
  color:#fff;max-width:20em;
}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{margin:18px 0 0;font-size:17px;color:var(--text-2);max-width:44em}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stat{
  display:flex;align-items:center;gap:10px;padding:11px 18px;border-radius:999px;
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(14px);
  font-size:13.5px;color:#C3D2E0;
}
.hero-stat b{font-size:17px;color:var(--lime);font-weight:700}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.anchor-bar a{
  padding:9px 17px;border-radius:999px;border:1px solid var(--line);
  background:rgba(13,21,34,.7);font-size:14px;color:#C3D2E0;text-decoration:none;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.anchor-bar a:hover{border-color:rgba(23,195,214,.55);color:#fff;background:var(--cyan-dim);transform:translateY(-1px)}
.hero-line{height:1px;background:linear-gradient(90deg,transparent,rgba(23,195,214,.55),transparent)}

/* ---------- 板块 ---------- */
.section{padding:var(--sec-pad) 0}
.section-tight{padding:56px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{margin:0;font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;color:#fff}
.sec-head p{margin:14px 0 0;color:var(--text-2);font-size:16px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12.5px;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);display:inline-block}

/* ---------- 搜索面板 ---------- */
.search-panel{
  position:relative;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.search-panel::before{
  content:"";position:absolute;left:0;top:0;height:1px;width:44%;
  background:linear-gradient(90deg,var(--lime),rgba(200,245,73,0));
}
.search-panel h2{margin:0 0 6px;font-size:21px;font-weight:700;color:#fff}
.search-panel .search-hint{margin:0 0 20px;font-size:14px;color:var(--muted)}
.search-form{
  display:flex;align-items:center;gap:12px;
  background:#0A1322;border:1px solid var(--line-strong);border-radius:999px;
  padding:6px 6px 6px 20px;transition:border-color .25s ease,box-shadow .25s ease;
}
.search-form:focus-within{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(23,195,214,.14)}
.search-form>i{color:var(--cyan);font-size:15px}
.search-form input{
  flex:1 1 auto;min-width:0;height:44px;background:transparent;border:0;outline:none;
  color:var(--text);font-size:15.5px;
}
.search-form input::placeholder{color:#63768A}
.search-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.search-tags span{
  padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.02);cursor:pointer;
  transition:color .2s ease,border-color .2s ease;
}
.search-tags span:hover{color:#DFF6FA;border-color:rgba(23,195,214,.5)}

/* ---------- 磁贴 ---------- */
.tile{
  position:relative;overflow:hidden;display:flex;gap:16px;align-items:flex-start;
  height:100%;padding:22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(14px);
  text-decoration:none;color:inherit;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tile::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,var(--lime),rgba(200,245,73,0));
  opacity:.55;transition:opacity .25s ease;
}
.tile:hover{transform:translateY(-3px);border-color:rgba(23,195,214,.42);box-shadow:var(--shadow),var(--glow);text-decoration:none}
.tile:hover::before{opacity:1}
.tile-ico{
  flex:0 0 46px;height:46px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--cyan-dim);border:1px solid rgba(23,195,214,.3);color:var(--cyan);font-size:17px;
}
.tile h3{margin:2px 0 6px;font-size:17px;line-height:1.4;font-weight:600;color:#fff}
.tile p{margin:0;font-size:14px;color:var(--muted);line-height:1.7}
.tile .tile-arrow{margin-left:auto;color:#5E7386;font-size:13px;align-self:center;transition:color .25s ease,transform .25s ease}
.tile:hover .tile-arrow{color:var(--lime);transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);margin:0;padding:0}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;gap:18px;padding:22px 4px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:#E3EDF5;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item:hover summary{color:#fff}
.faq-num{
  flex:0 0 34px;font-family:"Barlow Semi Condensed","Arial Narrow",sans-serif;
  font-size:16px;font-weight:700;color:var(--lime);letter-spacing:.06em;
}
.faq-q{flex:1 1 auto;min-width:0}
.faq-arrow{flex:0 0 auto;color:#6F849A;font-size:13px;transition:transform .3s ease,color .3s ease}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--lime)}
.faq-item[open] summary{color:#fff}
.faq-ans{padding:0 4px 26px 52px;font-size:15.8px;line-height:1.9;color:var(--text-2)}
.faq-ans p{margin:0 0 10px}
.faq-ans p:last-child{margin-bottom:0}
.faq-empty{
  display:none;margin-top:22px;padding:26px;border:1px dashed var(--line-strong);border-radius:var(--radius);
  color:var(--muted);font-size:14.5px;text-align:center;background:rgba(255,255,255,.015);
}

/* ---------- 支持区 ---------- */
.support-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.support-grid>[class*="cell"]{padding-left:12px;padding-right:12px}
.stat-row{display:flex;flex-wrap:wrap;gap:16px;margin:0 0 26px}
.stat-card{
  flex:1 1 160px;position:relative;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;backdrop-filter:blur(14px);
}
.stat-card::before{content:"";position:absolute;left:20px;top:0;width:30px;height:2px;background:var(--lime)}
.stat-card b{display:block;font-size:26px;line-height:1.2;color:var(--lime);font-weight:700}
.stat-card span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted)}

.support-card{
  position:relative;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.support-card::before{
  content:"";position:absolute;left:0;top:0;height:1px;width:52%;
  background:linear-gradient(90deg,var(--cyan),rgba(23,195,214,0));
}
.support-card h3{margin:0 0 8px;font-size:20px;color:#fff;font-weight:700}
.support-card .sup-sub{margin:0 0 24px;font-size:14px;color:var(--muted)}
.field{margin-bottom:16px}
.field label{display:block;margin-bottom:8px;font-size:13.5px;color:#9FB2C6}
.field input,.field textarea,.field select{
  width:100%;height:48px;background:#0A1322;border:1px solid var(--line-strong);border-radius:12px;
  padding:0 16px;color:var(--text);font-size:15px;outline:none;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{height:auto;min-height:128px;padding:14px 16px;line-height:1.75;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(23,195,214,.14)}
.field input::placeholder,.field textarea::placeholder{color:#5C6E80}
.form-note{margin:12px 0 0;font-size:13px;color:var(--lime)}
.form-tip{margin:14px 0 0;font-size:12.8px;color:var(--muted-2);line-height:1.7}

.contact-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-2)}
.contact-list i{color:var(--cyan);margin-top:5px;font-size:14px}
.contact-list b{color:#fff;font-weight:600}
.notice-band{
  display:flex;gap:12px;align-items:flex-start;margin-top:24px;padding:16px 18px;
  border-radius:var(--radius);border:1px solid rgba(255,122,69,.4);
  background:rgba(255,122,69,.07);font-size:14px;color:#FFCBB3;
}
.notice-band i{color:var(--orange);margin-top:4px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line);padding:44px;
  background:
    radial-gradient(520px 260px at 88% -30%, rgba(23,195,214,.2), transparent 65%),
    linear-gradient(135deg,#0C1725 0%,#101F31 100%);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 74px);
  -webkit-mask-image:linear-gradient(90deg,transparent,rgba(0,0,0,.9));
  mask-image:linear-gradient(90deg,transparent,rgba(0,0,0,.9));
}
.cta-band>div{position:relative;z-index:2}
.cta-band h2{margin:0 0 10px;font-size:clamp(22px,2.4vw,30px);line-height:1.3;color:#fff}
.cta-band p{margin:0;color:var(--text-2);font-size:15.5px;max-width:34em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#050A11;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.site-footer .cell{margin-bottom:0}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand b{display:block;font-size:15.5px;color:#fff;font-weight:700;line-height:1.2}
.foot-brand i{display:block;font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:.08em}
.foot-desc{margin:14px 0 0;font-size:14px;color:var(--muted);line-height:1.8;max-width:22em}
.foot-col h4{margin:0 0 14px;font-size:14px;color:#fff;font-weight:600;letter-spacing:.04em}
.foot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-list a{font-size:14px;color:var(--muted);text-decoration:none;transition:color .2s ease}
.foot-list a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.foot-contact{margin:0;font-size:14px;color:var(--muted);line-height:1.9}
.foot-contact em{font-style:normal;color:#6F849A;font-size:13px}
.foot-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6F849A;
}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{color:#6F849A;text-decoration:none;transition:color .2s ease}
.foot-links a:hover{color:var(--cyan)}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(13,21,34,.9);border:1px solid rgba(23,195,214,.4);color:var(--cyan);
  text-decoration:none;font-size:15px;backdrop-filter:blur(10px);
  transition:transform .22s ease,box-shadow .22s ease,color .22s ease;
}
.to-top:hover{transform:translateY(-2px);color:#fff;box-shadow:var(--glow)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--sec-pad:60px}
  .page-hero{padding:80px 0 48px}
  .search-panel{padding:24px}
  .support-card{padding:26px}
  .cta-band{padding:34px}
  .stat-card b{font-size:23px}
}
@media screen and (max-width:767px){
  .grid-x>.cell{margin-bottom:20px}
  .grid-x>.cell:last-child{margin-bottom:0}
  .faq-item summary{font-size:16px;gap:12px;padding:18px 2px}
  .faq-ans{padding-left:46px;font-size:15.2px}
  .search-form{flex-direction:column;align-items:stretch;border-radius:var(--radius);padding:14px}
  .search-form input{height:44px;text-align:left;padding:0 4px}
  .search-form .btn{width:100%}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%;width:100%}
}
@media screen and (max-width:639px){
  :root{--sec-pad:46px}
  body{font-size:16px}
  .page-hero{padding:64px 0 40px}
  .hero-lead{font-size:15.8px}
  .hero-stat{font-size:12.8px;padding:9px 14px}
  .sec-head{margin-bottom:28px}
  .anchor-bar a{font-size:13.5px;padding:8px 14px}
  .faq-num{flex:0 0 26px;font-size:14px}
  .faq-ans{padding-left:38px}
  .support-card{padding:22px}
  .to-top{right:16px;bottom:16px;width:40px;height:40px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}