/* roulang page: index */
/* ==================== 设计变量 ==================== */
:root{
  --brand:#12C2A8;
  --brand-deep:#0E9C8A;
  --glow:#5BF3D6;
  --amber:#FFA24B;
  --danger:#FF6B6B;
  --bg:#081420;
  --bg-2:#0B1B29;
  --bg-3:#0D2233;
  --text:#E8F1F5;
  --muted:#96ADB9;
  --border:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.28);
  --shadow-md:0 12px 32px rgba(0,0,0,.38);
  --shadow-glow:0 8px 30px rgba(18,194,168,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1200px;
}

/* ==================== 基础重置 ==================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;font-weight:700}
h2{font-size:clamp(24px,3vw,34px);line-height:1.28;font-weight:700}
h3{font-size:20px;line-height:1.4}
h4{font-size:17px;line-height:1.45}
p{margin:0;color:var(--muted)}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,label:focus-visible{
  outline:2px solid var(--glow);outline-offset:2px;border-radius:6px;
}
::selection{background:rgba(18,194,168,.35);color:#fff}

/* ==================== 容器与板块 ==================== */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{padding:0 32px}}
.section{padding:96px 0;position:relative}
.section-alt{background:var(--bg-2)}
.section-deep{background:var(--bg-3)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{max-width:640px;font-size:15px;margin-top:12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--brand);
  text-transform:none;margin-bottom:12px;
}
.eyebrow::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--glow),var(--brand-deep))}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ==================== 按钮 ==================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120F;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 34px rgba(18,194,168,.42);color:#04120F}
.btn-primary:active{transform:translateY(-1px);filter:brightness(.98)}
.btn-outline{border-color:rgba(18,194,168,.55);color:var(--glow);background:transparent}
.btn-outline:hover{background:rgba(18,194,168,.08);border-color:var(--brand);color:var(--glow);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0);background:rgba(18,194,168,.14)}
.btn-ghost{height:auto;padding:0;color:var(--brand);font-weight:600;gap:6px;border:0}
.btn-ghost:hover{color:var(--glow);gap:12px}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.ghost-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600}
.ghost-link:hover{color:var(--glow);gap:11px}

/* ==================== 头部导航 ==================== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,20,32,.74);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.scrolled{background:rgba(8,20,32,.94);box-shadow:var(--shadow-md)}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:grid;place-items:center;box-shadow:var(--shadow-glow);
  transition:transform .24s var(--ease);
}
.brand:hover .brand-mark{transform:translateY(-2px)}
.brand-mark svg{width:19px;height:19px;stroke:#04120F;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--muted);font-weight:400;white-space:nowrap}
.nav-actions{display:flex;align-items:center;gap:16px;flex:none}
.nav-phone{font-size:14px;color:var(--muted);letter-spacing:.01em}
.nav-phone:hover{color:var(--glow)}
.nav-chips{display:flex;align-items:center;gap:8px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip-nav{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;font-size:14px;color:var(--muted);
  border:1px solid var(--border);background:rgba(255,255,255,.03);
  transition:all .2s var(--ease);white-space:nowrap;
}
.chip-nav:hover{background:rgba(18,194,168,.12);color:var(--glow);border-color:rgba(18,194,168,.3)}
.chip-nav.active{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120F;border-color:transparent;font-weight:600;
  box-shadow:0 6px 18px rgba(18,194,168,.3);
}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.04);place-items:center;gap:4px;flex-direction:column;justify-content:center}
.hamburger span{display:block;width:18px;height:1.5px;background:var(--text);border-radius:2px;transition:all .2s var(--ease)}
.hamburger:hover{border-color:rgba(18,194,168,.45)}
.hamburger:hover span{background:var(--glow)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,10,17,.66);z-index:90;
  opacity:0;visibility:hidden;transition:all .3s var(--ease);
  backdrop-filter:blur(2px);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:95;
  background:linear-gradient(180deg,#0B1B29,#081420);
  border-left:1px solid var(--border);
  transform:translateX(102%);transition:transform .32s var(--ease);
  padding:22px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-head .brand-name{font-size:16px;font-weight:700}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);font-size:20px;line-height:1;color:var(--muted)}
.drawer-close:hover{color:var(--glow);border-color:rgba(18,194,168,.45)}
.drawer-links{display:flex;flex-wrap:wrap;gap:10px}
.drawer-links a{
  display:inline-flex;align-items:center;height:36px;padding:0 15px;
  border-radius:999px;font-size:14px;border:1px solid var(--border);
  background:rgba(255,255,255,.03);color:var(--muted);
}
.drawer-links a:hover{color:var(--glow);border-color:rgba(18,194,168,.4);background:rgba(18,194,168,.1)}
.drawer-links a.active{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#04120F;font-weight:600;border-color:transparent}
.drawer-cta{width:100%}

/* ==================== Hero ==================== */
.hero{
  position:relative;overflow:hidden;padding:96px 0 88px;
  background:linear-gradient(180deg,rgba(8,20,32,.9) 0%,rgba(8,20,32,.96) 60%,rgba(8,20,32,1) 100%),
             url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.055) 0 1px,transparent 1px 84px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.055) 0 1px,transparent 1px 84px);
  opacity:.55;
  mask-image:radial-gradient(circle at 26% 32%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 26% 32%,#000 0%,transparent 72%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.hero-copy{grid-column:span 7;max-width:640px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 15px;
  border-radius:999px;font-size:13px;color:var(--glow);
  background:rgba(18,194,168,.12);border:1px solid rgba(18,194,168,.28);
  margin-bottom:22px;
}
.hero h1{margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--glow)}
.hero-sub{font-size:17px;line-height:1.85;color:#B6C8D2;max-width:590px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:grid;gap:10px;margin-top:34px}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--muted)}
.hero-points li::before{
  content:"";flex:none;width:6px;height:6px;border-radius:2px;margin-top:10px;
  background:var(--brand);box-shadow:0 0 10px rgba(18,194,168,.6);
}
.hero-card{
  grid-column:span 5;justify-self:end;width:100%;max-width:400px;
  background:var(--glass);border:1px solid var(--border);border-radius:var(--radius);
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  padding:26px;box-shadow:var(--shadow-md);
}
.hero-card h4{margin-bottom:18px;font-size:16px;color:var(--text)}
.hero-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}
.hero-metrics div{
  background:rgba(18,194,168,.08);border:1px solid rgba(18,194,168,.2);
  border-radius:var(--radius-sm);padding:14px 16px;
}
.hero-metrics strong{display:block;font-size:26px;font-weight:700;color:var(--glow);line-height:1.2}
.hero-metrics span{font-size:12.5px;color:var(--muted)}
.hero-list{display:grid;gap:10px;margin-bottom:22px}
.hero-list li{
  display:flex;gap:10px;align-items:center;font-size:14px;color:#B6C8D2;
  padding-bottom:10px;border-bottom:1px solid var(--line);
}
.hero-list li:last-child{border-bottom:0;padding-bottom:0}
.hero-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--amber);flex:none}

/* ==================== 服务能力 ==================== */
.cap-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.cap-main{
  grid-column:span 5;grid-row:span 2;position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(18,194,168,.14),rgba(255,255,255,.03) 60%);
  border:1px solid rgba(18,194,168,.24);border-radius:var(--radius);
  padding:30px;display:flex;flex-direction:column;
  transition:all .26s var(--ease);
}
.cap-main:hover{border-color:rgba(18,194,168,.5);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.cap-num{font-size:13px;font-weight:700;color:var(--glow);letter-spacing:.1em;margin-bottom:14px}
.cap-main img{margin-bottom:20px;aspect-ratio:16/10;object-fit:cover;width:100%}
.cap-main h3{margin-bottom:12px}
.cap-main p{font-size:14.5px;margin-bottom:auto}
.cap-main .ghost-link{margin-top:20px}
.cap-side{grid-column:span 7;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cap-sm{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;transition:all .26s var(--ease);display:flex;flex-direction:column;
}
.cap-sm:hover{transform:translateY(-4px);border-color:rgba(18,194,168,.32);box-shadow:var(--shadow-md);background:var(--glass-strong)}
.cap-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,194,168,.12);border:1px solid rgba(18,194,168,.24);margin-bottom:16px;
}
.cap-icon svg{width:20px;height:20px;stroke:var(--glow);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.cap-sm h4{margin-bottom:8px;font-size:17px}
.cap-sm p{font-size:13.5px;line-height:1.75;margin-bottom:14px}
.cap-sm .ghost-link{margin-top:auto;font-size:13.5px}

/* ==================== 数据指标 ==================== */
.stats-wrap{
  background:linear-gradient(135deg,rgba(18,194,168,.09),rgba(255,255,255,.02));
  border:1px solid var(--border);border-radius:var(--radius);padding:42px 8px;
}
.stats{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:0 28px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:32px}
.stat-num{
  font-size:clamp(32px,4vw,46px);font-weight:700;line-height:1.1;color:var(--brand);
  text-shadow:0 0 28px rgba(18,194,168,.42);letter-spacing:-.02em;
}
.stat-num small{font-size:.5em;color:var(--glow);margin-left:2px}
.stat p{font-size:13.5px;margin-top:10px;color:var(--muted)}

/* ==================== 案例 ==================== */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-card{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--bg-3);
  transition:all .28s var(--ease);display:block;
}
.case-card:hover{transform:translateY(-4px);border-color:rgba(18,194,168,.35);box-shadow:var(--shadow-md)}
.case-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .32s var(--ease)}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,20,32,.1) 0%,rgba(8,20,32,.82) 100%);
  transition:background .28s var(--ease);
}
.case-card:hover .case-media::after{background:linear-gradient(180deg,rgba(8,20,32,.25) 0%,rgba(8,20,32,.92) 100%)}
.case-tag{
  position:absolute;top:16px;left:16px;z-index:2;
  height:28px;padding:0 13px;display:inline-flex;align-items:center;
  border-radius:999px;font-size:12.5px;color:#04120F;font-weight:600;
  background:linear-gradient(135deg,var(--amber),#F08A2E);
}
.case-body{padding:22px 24px 26px}
.case-body h3{margin-bottom:10px;transition:transform .28s var(--ease)}
.case-card:hover .case-body h3{transform:translateY(-3px)}
.case-body p{font-size:14px}
.case-meta{display:flex;gap:12px;align-items:center;margin-top:16px;font-size:13px;color:var(--muted)}
.case-meta span{display:inline-flex;align-items:center;gap:7px}
.case-meta span::before{content:"";width:1px;height:12px;background:var(--line)}
.case-meta span:first-child::before{display:none}

/* ==================== 最新信息（CMS） ==================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--radius);
  transition:all .26s var(--ease);overflow:hidden;
  backdrop-filter:blur(14px) saturate(1.15);-webkit-backdrop-filter:blur(14px) saturate(1.15);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(18,194,168,.32);box-shadow:var(--shadow-md)}
.news-card-link{display:flex;flex-direction:column;height:100%;padding:22px}
.chip-cat{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(18,194,168,.14);color:var(--glow);margin-bottom:16px;
}
.news-title{
  font-size:17px;line-height:1.5;font-weight:600;margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.news-card:hover .news-title{color:var(--glow)}
.news-sum{
  font-size:14px;line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.news-arrow{color:var(--brand);font-weight:700;transition:transform .22s var(--ease)}
.news-card:hover .news-arrow{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border:1px dashed rgba(18,194,168,.35);border-radius:var(--radius);
  background:rgba(18,194,168,.04);text-align:center;
}
.empty-state svg{width:52px;height:52px;stroke:var(--brand);stroke-width:1.5;fill:none;opacity:.85}
.empty-state p{color:var(--muted);font-size:14.5px}

/* ==================== 方案切换 ==================== */
.plan{display:grid;grid-template-columns:repeat(12,1fr);gap:32px}
.plan-side{grid-column:span 4;align-self:start;position:sticky;top:140px}
.plan-side h2{margin-bottom:16px}
.plan-side p{font-size:14.5px;margin-bottom:20px}
.plan-side .plan-note{
  display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);
  padding:14px 16px;border-left:3px solid var(--brand);background:rgba(18,194,168,.06);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.plan-main{grid-column:span 8;position:relative}
.plan-radio{position:absolute;opacity:0;pointer-events:none;width:0;height:0}
.plan-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tab-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;color:var(--muted);border:1px solid var(--border);background:rgba(255,255,255,.03);
  cursor:pointer;transition:all .2s var(--ease);user-select:none;
}
.tab-chip:hover{color:var(--glow);border-color:rgba(18,194,168,.35);background:rgba(18,194,168,.09)}
#planTab1:checked ~ .plan-chips label[for="planTab1"],
#planTab2:checked ~ .plan-chips label[for="planTab2"],
#planTab3:checked ~ .plan-chips label[for="planTab3"]{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04120F;font-weight:600;border-color:transparent;box-shadow:0 6px 18px rgba(18,194,168,.3);
}
.plan-panels{position:relative}
.plan-panel{
  display:none;background:var(--glass);border:1px solid var(--border);
  border-radius:var(--radius);padding:26px;
  backdrop-filter:blur(14px) saturate(1.15);-webkit-backdrop-filter:blur(14px) saturate(1.15);
  animation:fadeUp .3s var(--ease);
}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
#planTab1:checked ~ .plan-panels .panel-1,
#planTab2:checked ~ .plan-panels .panel-2,
#planTab3:checked ~ .plan-panels .panel-3{display:block}
.plan-panel h3{margin-bottom:8px}
.plan-panel > p{font-size:14px;margin-bottom:20px}
.plan-items{display:grid;gap:2px}
.plan-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 4px;
  border-bottom:1px solid var(--line);
}
.plan-item:last-child{border-bottom:0}
.plan-item .p-icon{
  flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(18,194,168,.12);border:1px solid rgba(18,194,168,.22);
}
.plan-item .p-icon svg{width:17px;height:17px;stroke:var(--glow);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.plan-item h4{font-size:15.5px;margin-bottom:4px}
.plan-item p{font-size:13.5px;line-height:1.7}
.plan-cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}

/* ==================== FAQ ==================== */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item:hover{border-color:rgba(18,194,168,.3)}
.faq-item.open{background:rgba(18,194,168,.05);border-color:rgba(18,194,168,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 22px;text-align:left;font-size:16px;font-weight:600;
  color:var(--text);border-left:3px solid transparent;transition:all .22s var(--ease);
}
.faq-item.open .faq-q{border-left-color:var(--brand);color:var(--glow)}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:1.6px}
.faq-icon::after{width:1.6px;height:14px;transition:opacity .22s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(90deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 22px 20px 25px;font-size:14.5px;line-height:1.85}

/* ==================== 联系 ==================== */
.contact-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.contact-form{
  grid-column:span 7;background:var(--glass);border:1px solid var(--border);
  border-radius:var(--radius);padding:30px;
  backdrop-filter:blur(14px) saturate(1.15);-webkit-backdrop-filter:blur(14px) saturate(1.15);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
.field label .req{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:12px 14px;font-size:14.5px;color:var(--text);
  transition:all .2s var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#6C8290}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,194,168,.14);outline:none;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 19px) 50%,calc(100% - 14px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-msg{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);
  font-size:14px;color:var(--glow);background:rgba(18,194,168,.1);
  border:1px solid rgba(18,194,168,.32);
}
.form-msg.show{display:block}
.contact-info{grid-column:span 5;display:flex;flex-direction:column;gap:18px}
.info-card{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;backdrop-filter:blur(14px) saturate(1.15);-webkit-backdrop-filter:blur(14px) saturate(1.15);
}
.info-card h4{margin-bottom:14px;font-size:16px}
.info-list{display:grid;gap:12px}
.info-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.info-list li strong{color:var(--text);font-weight:600;flex:none;min-width:62px}
.info-list li svg{width:17px;height:17px;stroke:var(--brand);stroke-width:1.5;fill:none;flex:none;margin-top:5px}
.map-box{
  height:150px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:
    linear-gradient(135deg,rgba(18,194,168,.1),rgba(255,255,255,.02)),
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px);
  display:grid;place-items:center;color:var(--muted);font-size:13px;gap:8px;
}
.map-box svg{width:26px;height:26px;stroke:var(--brand);stroke-width:1.5;fill:none}

/* ==================== 页脚 ==================== */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr 1fr;gap:28px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col p{font-size:13.5px;line-height:1.8}
.footer-col h5{margin:0 0 16px;font-size:14.5px;font-weight:600;color:var(--text)}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13.5px;color:var(--muted)}
.footer-links a:hover{color:var(--glow)}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;
  text-align:center;font-size:12px;color:#6C8290;
}
.footer-bottom span{color:#7E97A3}

/* ==================== 响应式 ==================== */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:76px 0 68px}
  .hero-copy{grid-column:span 7}
  .hero-card{grid-column:span 5;max-width:100%}
  .cap-main{grid-column:span 12;grid-row:auto}
  .cap-side{grid-column:span 12}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .plan{grid-template-columns:1fr;gap:24px}
  .plan-side{grid-column:span 12;position:static}
  .plan-main{grid-column:span 12}
  .contact-form{grid-column:span 12}
  .contact-info{grid-column:span 12;flex-direction:row;flex-wrap:wrap}
  .contact-info .info-card{flex:1 1 300px}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:32px}
  .stats{grid-template-columns:1fr 1fr;gap:28px 0}
  .stat:nth-child(3){border-left:0;padding-left:32px}
}
@media (max-width:860px){
  .nav-chips{display:none}
  .nav-phone{display:none}
  .hamburger{display:flex}
  .nav-top{height:60px}
  .brand-sub{display:none}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:56px 0 52px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-copy{grid-column:span 1}
  .hero-card{grid-column:span 1;justify-self:stretch}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .section-head{margin-bottom:28px}
  .cap-side{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr;gap:24px}
  .stat{border-left:0;padding:0 0 0 18px;border-left:3px solid rgba(18,194,168,.35)}
  .stat:first-child{padding-left:18px}
  .stat:nth-child(3){padding-left:18px}
  .stats-wrap{padding:30px 20px}
  .faq-q{font-size:15px;padding:14px 16px}
  .faq-a p{padding:0 16px 18px 19px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .brand-name{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:150px}
  .hamburger{width:38px;height:38px}
  .btn{height:42px;padding:0 18px;font-size:14.5px}
  .btn-lg{height:48px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .plan-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;scrollbar-width:none}
  .plan-chips::-webkit-scrollbar{display:none}
  .tab-chip{flex:none}
}

/* roulang page: article */
:root{
  --bg:#081420;
  --bg-2:#0B1B29;
  --bg-3:#0D2233;
  --primary:#12C2A8;
  --primary-deep:#0E9C8A;
  --glow:#5BF3D6;
  --amber:#FFA24B;
  --text:#E8F1F6;
  --text-weak:#93A8B8;
  --text-dim:#6E8798;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.055);
  --glass-hi:rgba(255,255,255,.085);
  --r-card:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(0,0,0,.28);
  --sh-md:0 12px 32px rgba(0,0,0,.38);
  --sh-glow:0 8px 30px rgba(18,194,168,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:4px}
::selection{background:rgba(18,194,168,.35);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .28s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#12C2A8,#0E9C8A);
  color:#041915;
  box-shadow:0 8px 26px rgba(18,194,168,.34);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 34px rgba(18,194,168,.46);color:#041915}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghostline{
  border-color:rgba(18,194,168,.55);color:var(--glow);background:transparent;
}
.btn-ghostline:hover{background:rgba(18,194,168,.1);border-color:var(--primary);transform:translateY(-2px)}
.btn-plain{color:var(--text);border-color:var(--line);background:var(--glass)}
.btn-plain:hover{border-color:rgba(18,194,168,.5);background:rgba(18,194,168,.08);transform:translateY(-2px)}
.btn-sm{height:34px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
.link-arrow svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,20,32,.72);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(8,20,32,.92);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(18,194,168,.24),rgba(91,243,214,.1));
  border:1px solid rgba(18,194,168,.42);
  box-shadow:0 0 18px rgba(18,194,168,.22);
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:var(--glow);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;color:#fff}
.header-actions{display:flex;align-items:center;gap:14px}
.header-tel{font-size:14px;color:var(--text-weak);display:inline-flex;align-items:center;gap:6px}
.header-tel svg{width:16px;height:16px;fill:none;stroke:var(--primary);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.header-actions .btn-primary{height:38px;padding:0 20px;font-size:14px}
.header-chips{border-top:1px solid var(--line-soft);padding:10px 0 12px}
.nav-chips{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip-nav{
  flex:0 0 auto;height:34px;display:inline-flex;align-items:center;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--glass);color:var(--text-weak);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:all .2s var(--ease);
}
.chip-nav:hover{background:rgba(18,194,168,.12);border-color:rgba(18,194,168,.4);color:var(--text)}
.chip-nav.active{
  background:linear-gradient(135deg,#12C2A8,#0E9C8A);color:#041915;font-weight:600;
  border-color:transparent;box-shadow:0 6px 18px rgba(18,194,168,.3);
}
.chip-nav.active:hover{color:#041915}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--glass);align-items:center;justify-content:center;
}
.menu-toggle svg{width:20px;height:20px;fill:none;stroke:var(--text);stroke-width:1.6;stroke-linecap:round}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;z-index:90;
  background:#0A1926;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .32s var(--ease);
  padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,10,16,.66);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center}
.drawer-close svg{width:18px;height:18px;fill:none;stroke:var(--text);stroke-width:1.6;stroke-linecap:round}
.drawer-chips{display:flex;flex-wrap:wrap;gap:10px}
.drawer .chip-nav{height:36px}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--text-dim);padding:22px 0 0}
.crumbs a{color:var(--text-weak)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:rgba(255,255,255,.2)}
.crumbs .cur{color:var(--primary);max-width:62vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 文章头 ---------- */
.article-hero{padding-bottom:8px}
.hero-inner{max-width:880px;padding:20px 0 0}
.chip-cat{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(18,194,168,.12);
  color:var(--glow);font-size:12.5px;font-weight:600;margin-bottom:18px;
}
.article-hero h1{
  font-size:clamp(28px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.01em;
  color:#fff;margin-bottom:18px;
}
.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:13.5px;color:var(--text-dim)}
.post-meta .dot{width:1px;height:12px;background:rgba(255,255,255,.16)}
.post-meta .k{color:var(--text-weak)}

/* ---------- 布局 ---------- */
.article-main{padding:34px 0 76px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
.article-col{min-width:0}
.article-cover{margin-bottom:30px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);background:#0A1723}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 正文排版 ---------- */
.article-body{max-width:820px;font-size:16px;line-height:1.92;color:#D3E1EA}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;font-size:clamp(19px,2.3vw,23px);line-height:1.4;color:#fff;font-weight:700;
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,#12C2A8,#5BF3D6);
}
.article-body h3{font-size:17px;font-weight:600;color:#fff;margin:28px 0 12px}
.article-body h4{font-size:16px;font-weight:600;color:var(--text);margin:22px 0 10px}
.article-body strong{color:#fff;font-weight:600}
.article-body a{color:var(--glow);border-bottom:1px solid rgba(91,243,214,.35)}
.article-body a:hover{color:var(--primary);border-bottom-color:var(--primary)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(18,194,168,.5);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.18em;
  width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  font-size:12.5px;font-weight:700;color:var(--glow);
  background:rgba(18,194,168,.14);border:1px solid rgba(18,194,168,.3);
}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;border-left:3px solid var(--primary);
  background:var(--glass);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-weak);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-sm);margin:22px auto;border:1px solid var(--line)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:12.5px;color:var(--text-dim);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden}
.article-body thead th{background:rgba(18,194,168,.1);color:#fff;font-weight:600}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-soft);text-align:left}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.028)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  background:#050F18;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;overflow-x:auto;margin:22px 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;line-height:1.7;color:#B7E9DF;
}
.article-body code{
  background:rgba(18,194,168,.12);color:var(--glow);padding:2px 6px;border-radius:6px;font-size:.92em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:560px;margin:20px auto;text-align:center;padding:48px 28px;
  border:1px solid rgba(18,194,168,.28);border-radius:var(--r-card);
  background:rgba(18,194,168,.04);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 16px;fill:none;stroke:var(--primary);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{font-size:20px;color:#fff;margin-bottom:10px;font-weight:600}
.empty-state p{color:var(--text-weak);font-size:14.5px;margin-bottom:22px}

/* ---------- 侧栏目录 ---------- */
.article-side{display:none}
.toc-card{
  position:sticky;top:104px;padding:20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);box-shadow:var(--sh-sm);
}
.toc-card h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:14px;letter-spacing:.02em}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:13.5px;color:var(--text-weak);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.5;
}
.toc-list a:hover{background:rgba(18,194,168,.1);color:var(--text)}
.toc-list a.is-active{color:var(--glow);border-left-color:var(--primary);background:rgba(18,194,168,.08)}
.toc-empty{font-size:13px;color:var(--text-dim)}

/* ---------- 标签 / 翻页 ---------- */
.section-divider{height:1px;background:var(--line-soft);margin:44px 0 28px}
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.tag-row .label{font-size:13px;color:var(--text-dim)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(18,194,168,.1);color:var(--glow);font-size:12.5px;border:1px solid rgba(18,194,168,.22);
}
.tag:hover{background:rgba(18,194,168,.2);color:#fff}
.nav-posts{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:48px}
.nav-post{
  display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);transition:all .28s var(--ease);
}
.nav-post:hover{transform:translateY(-4px);border-color:rgba(18,194,168,.45);box-shadow:var(--sh-md);color:inherit}
.nav-post .dir{font-size:12.5px;color:var(--text-dim);display:flex;align-items:center;gap:6px}
.nav-post .dir svg{width:15px;height:15px;fill:none;stroke:var(--primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-post strong{font-size:16px;color:#fff;font-weight:600;line-height:1.5}
.nav-post span{font-size:13.5px;color:var(--text-weak)}
.nav-post.next{text-align:right;align-items:flex-end}

/* ---------- 推荐 ---------- */
.rec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px}
.rec-head h2{font-size:clamp(20px,2.6vw,26px);color:#fff;font-weight:700}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(18,194,168,.42);box-shadow:var(--sh-md)}
.card-media{position:relative;overflow:hidden;background:#0A1723}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;color:#fff;font-weight:600;line-height:1.5}
.card-body p{font-size:14px;color:var(--text-weak);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-dim)}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0 8px}
.section-title{font-size:clamp(22px,2.8vw,30px);font-weight:700;color:#fff;letter-spacing:-.01em;margin-bottom:12px}
.section-sub{color:var(--text-weak);font-size:15px;margin-bottom:32px;max-width:660px}
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 20px 16px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  position:relative;transition:color .2s var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;
  background:rgba(255,255,255,.12);transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.open .faq-q::before{background:var(--primary);box-shadow:0 0 12px rgba(18,194,168,.6)}
.faq-q:hover{color:var(--glow)}
.faq-q .ic{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;transition:transform .28s var(--ease),border-color .2s var(--ease);
}
.faq-q .ic svg{width:14px;height:14px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round}
.faq-item.open .faq-q .ic{transform:rotate(45deg);border-color:rgba(18,194,168,.6)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{font-size:14.5px;color:var(--text-weak);padding:0 24px 22px 16px;line-height:1.85}
.faq-item:not(.open){opacity:.82}
.faq-item.open{opacity:1}

/* ---------- CTA ---------- */
.cta-band{padding:64px 0 88px}
.cta-card{
  position:relative;overflow:hidden;border-radius:20px;padding:44px;
  background:linear-gradient(135deg,rgba(18,194,168,.16),rgba(13,34,51,.9) 62%);
  border:1px solid rgba(18,194,168,.3);
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,168,.32),transparent 68%);pointer-events:none;
}
.cta-copy{max-width:620px;position:relative;z-index:1}
.cta-copy h2{font-size:clamp(21px,2.6vw,28px);color:#fff;font-weight:700;margin-bottom:12px}
.cta-copy p{color:var(--text-weak);font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line-soft);background:var(--bg-2);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.footer-col p{font-size:13.5px;color:var(--text-dim);line-height:1.85;max-width:300px}
.footer-col h5{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:var(--text-weak)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);
  text-align:center;font-size:12.5px;color:var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:48px}
  .article-side{display:block}
}
@media (max-width:1024px){
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .nav-chips{padding-bottom:2px}
}
@media (max-width:860px){
  .header-actions .btn-primary{display:none}
  .menu-toggle{display:inline-flex}
  .header-chips{display:none}
  .header-top{height:60px}
  .cta-card{padding:30px 24px}
  .nav-posts{grid-template-columns:1fr}
  .nav-post.next{text-align:left;align-items:flex-start}
}
@media (max-width:768px){
  .hero-inner{padding-top:8px}
  .rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .faq-section{padding:48px 0 8px}
  .cta-band{padding:48px 0 64px}
  .article-main{padding:26px 0 56px}
  .article-body{font-size:15.5px}
  .article-cover img{aspect-ratio:16/10}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .footer-grid{grid-template-columns:1fr}
  .crumbs{font-size:13px}
  .crumbs .cur{max-width:52vw}
  .header-tel span{display:none}
  .cta-actions .btn{width:100%}
  .post-meta{font-size:13px;gap:10px}
}

/* roulang page: category1 */
:root{
  --brand:#12C2A8;
  --brand-dark:#0E9C8A;
  --glow:#5BF3D6;
  --amber:#FFA24B;
  --bg:#081420;
  --bg-alt:#0B1B29;
  --bg-alt2:#0D2233;
  --text:#E8F1F5;
  --text-weak:#9DB2BF;
  --text-dim:#7B8F9C;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.08);
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.28);
  --shadow-md:0 12px 32px rgba(0,0,0,.38);
  --shadow-glow:0 8px 30px rgba(18,194,168,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --max:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px),
    radial-gradient(900px 520px at 12% -8%,rgba(18,194,168,.14),transparent 62%),
    radial-gradient(760px 460px at 96% 4%,rgba(255,162,75,.07),transparent 60%);
  background-size:64px 64px,64px 64px,auto,auto;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--glow);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,var(--bg-alt),rgba(11,27,41,.35));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--brand);margin-bottom:14px;font-weight:600;}
.eyebrow::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand);box-shadow:0 0 12px rgba(18,194,168,.6);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.28;}
.section-head p{color:var(--text-weak);font-size:15px;max-width:640px;margin-top:12px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);font-weight:600;transition:gap .2s var(--ease),color .2s var(--ease);}
.link-arrow:hover{gap:11px;color:var(--glow);}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(8,20,32,.74);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--line);transition:background .3s var(--ease),box-shadow .3s var(--ease);}
.site-header.scrolled{background:rgba(6,16,26,.94);box-shadow:0 12px 32px rgba(0,0,0,.42);}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(18,194,168,.22),rgba(18,194,168,.06));border:1px solid rgba(18,194,168,.4);box-shadow:0 0 22px rgba(18,194,168,.2) inset;}
.brand-mark svg{width:20px;height:20px;stroke:var(--glow);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-text em{font-size:11.5px;font-style:normal;color:var(--text-dim);letter-spacing:.05em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-phone{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--text-weak);font-weight:600;white-space:nowrap;}
.header-phone svg{width:16px;height:16px;stroke:var(--brand);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.header-phone:hover{color:var(--glow);}
.nav-chips{display:flex;align-items:center;gap:10px;padding:0 0 12px;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip-nav{flex:0 0 auto;height:36px;display:inline-flex;align-items:center;padding:0 18px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--text-weak);border:1px solid transparent;background:rgba(255,255,255,.035);transition:all .22s var(--ease);}
.chip-nav:hover{color:var(--text);background:rgba(18,194,168,.14);border-color:rgba(18,194,168,.3);}
.chip-nav.active{color:#04211C;background:linear-gradient(135deg,var(--brand),var(--brand-dark));border-color:transparent;box-shadow:0 6px 20px rgba(18,194,168,.32);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--line);background:rgba(255,255,255,.045);align-items:center;justify-content:center;}
.nav-toggle svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:1.7;stroke-linecap:round;}
.drawer-mask{position:fixed;inset:0;background:rgba(4,10,16,.68);opacity:0;pointer-events:none;transition:opacity .3s var(--ease);z-index:95;}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;height:100%;width:308px;max-width:88vw;z-index:100;background:#0A1A27;border-left:1px solid var(--line);padding:24px 22px;transform:translateX(102%);transition:transform .32s var(--ease);overflow-y:auto;}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head strong{font-size:16px;}
.drawer-close{width:38px;height:38px;border-radius:var(--radius-sm);border:1px solid var(--line);display:grid;place-items:center;}
.drawer-close svg{width:18px;height:18px;stroke:var(--text);fill:none;stroke-width:1.8;stroke-linecap:round;}
.drawer-links{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.drawer-links .chip-nav{height:38px;font-size:13.5px;}
.drawer-contact{border-top:1px solid var(--line-soft);padding-top:20px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-weak);}
.drawer-contact a{color:var(--text);font-weight:600;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-pill);font-weight:600;font-size:15px;height:44px;padding:0 24px;transition:all .22s var(--ease);border:1px solid transparent;white-space:nowrap;}
.btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.btn-sm{height:36px;padding:0 18px;font-size:13.5px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-primary{color:#04211C;background:linear-gradient(135deg,var(--brand),var(--brand-dark));box-shadow:0 8px 26px rgba(18,194,168,.34);}
.btn-primary:hover{color:#04211C;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 34px rgba(18,194,168,.44);}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 18px rgba(18,194,168,.3);}
.btn-outline{color:var(--brand);border-color:rgba(18,194,168,.55);background:transparent;}
.btn-outline:hover{color:var(--glow);background:rgba(18,194,168,.1);border-color:var(--brand);transform:translateY(-2px);}
.btn-ghost{color:var(--text-weak);padding:0 6px;}
.btn-ghost svg{transition:transform .22s var(--ease);}
.btn-ghost:hover{color:var(--glow);}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- page hero ---------- */
.page-hero{position:relative;padding:44px 0 76px;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(8,20,32,.95) 0%,rgba(8,20,32,.86) 52%,rgba(11,27,41,.92) 100%);}
.page-hero>.container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-dim);margin-bottom:26px;flex-wrap:wrap;}
.crumbs a{color:var(--text-weak);}
.crumbs a:hover{color:var(--glow);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.crumbs .now{color:var(--brand);font-weight:600;}
.hero-card{display:grid;grid-template-columns:1.4fr .95fr;gap:36px;align-items:center;padding:38px;border-radius:20px;border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);box-shadow:var(--shadow-md);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;letter-spacing:.02em;background:rgba(18,194,168,.13);color:var(--brand);border:1px solid rgba(18,194,168,.24);}
.tag-amber{background:rgba(255,162,75,.13);color:var(--amber);border-color:rgba(255,162,75,.28);}
.hero-card h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;margin-bottom:18px;}
.hero-card h1 span{color:var(--brand);}
.hero-lead{color:var(--text-weak);font-size:15.5px;line-height:1.9;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line-soft);}
.hero-fact strong{display:block;font-size:20px;color:var(--brand);font-weight:700;}
.hero-fact span{font-size:12.5px;color:var(--text-dim);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--line);}
.hero-media figcaption{margin-top:12px;font-size:12.5px;color:var(--text-dim);text-align:center;}

/* ---------- metric strip ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,var(--bg-alt2),rgba(13,34,51,.5));overflow:hidden;}
.metric{padding:28px 24px;text-align:left;border-right:1px solid var(--line-soft);}
.metric:last-child{border-right:none;}
.metric b{display:block;font-size:clamp(30px,3.4vw,42px);font-weight:700;line-height:1.1;color:var(--brand);text-shadow:0 0 26px rgba(18,194,168,.35);}
.metric b small{font-size:15px;font-weight:600;margin-left:3px;color:var(--brand);}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--text-weak);}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-card{position:relative;display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(10px) saturate(1.15);-webkit-backdrop-filter:blur(10px) saturate(1.15);transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease);}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(18,194,168,.34);box-shadow:var(--shadow-md);background:var(--glass-strong);}
.entry-card .num{position:absolute;top:22px;right:24px;font-size:13px;font-weight:700;letter-spacing:.06em;color:rgba(255,255,255,.16);}
.entry-card h3{font-size:19px;line-height:1.4;padding-right:44px;}
.entry-card p{font-size:14px;color:var(--text-weak);line-height:1.8;}
.entry-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--text-dim);padding-top:4px;}
.entry-meta span{display:inline-flex;align-items:center;gap:6px;}
.entry-meta span+span{padding-left:14px;border-left:1px solid var(--line-soft);}
.entry-card .card-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.icon-badge{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(18,194,168,.12);border:1px solid rgba(18,194,168,.26);flex:0 0 42px;}
.icon-badge svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.card-headline{display:flex;align-items:center;gap:14px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{position:relative;padding:26px 22px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,rgba(13,34,51,.75),rgba(11,27,41,.5));transition:border-color .26s var(--ease),transform .26s var(--ease);}
.step:hover{border-color:rgba(18,194,168,.32);transform:translateY(-3px);}
.step .idx{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:rgba(18,194,168,.14);border:1px solid rgba(18,194,168,.3);color:var(--brand);font-size:13px;font-weight:700;margin-bottom:16px;}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:13.5px;color:var(--text-weak);line-height:1.8;}

/* ---------- list panel ---------- */
.panel{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start;}
.list-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);overflow:hidden;}
.list-row{display:flex;align-items:flex-start;gap:18px;padding:22px 24px;border-bottom:1px solid var(--line-soft);transition:background .22s var(--ease);}
.list-row:last-child{border-bottom:none;}
.list-row:hover{background:rgba(18,194,168,.05);}
.list-row .icon-badge{width:38px;height:38px;flex:0 0 38px;border-radius:10px;}
.list-row .icon-badge svg{width:18px;height:18px;}
.list-row h4{font-size:16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px;}
.list-row p{font-size:13.5px;color:var(--text-weak);line-height:1.8;}
.side-card{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(13,34,51,.8),rgba(11,27,41,.55));padding:24px;margin-bottom:22px;}
.side-card h4{font-size:16px;margin-bottom:16px;padding-left:12px;position:relative;}
.side-card h4::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--brand);}
.side-card .side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:14px;color:var(--text-weak);border-bottom:1px solid var(--line-soft);}
.side-card .side-list a:last-child{border-bottom:none;}
.side-card .side-list a:hover{color:var(--glow);}
.side-card .side-list span{color:var(--text-dim);font-size:12.5px;}
.side-note{font-size:13.5px;color:var(--text-weak);line-height:1.85;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--glass);margin-bottom:14px;overflow:hidden;transition:border-color .26s var(--ease),background .26s var(--ease);}
.faq-item.open{border-color:rgba(18,194,168,.36);background:var(--glass-strong);}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);transition:color .22s var(--ease);position:relative;}
.faq-q::before{content:"";width:3px;height:22px;border-radius:2px;background:rgba(255,255,255,.14);transition:background .24s var(--ease),box-shadow .24s var(--ease);flex:0 0 3px;}
.faq-item.open .faq-q::before{background:var(--brand);box-shadow:0 0 14px rgba(18,194,168,.6);}
.faq-q .chev{margin-left:auto;flex:0 0 18px;}
.faq-q .chev svg{width:18px;height:18px;stroke:var(--text-dim);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .28s var(--ease),stroke .22s var(--ease);}
.faq-item.open .chev svg{transform:rotate(180deg);stroke:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a p{padding:0 24px 22px 43px;font-size:14.5px;color:var(--text-weak);line-height:1.9;}

/* ---------- cta ---------- */
.cta-band{border:1px solid rgba(18,194,168,.28);border-radius:20px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;background:linear-gradient(120deg,rgba(18,194,168,.14),rgba(13,34,51,.72) 45%,rgba(11,27,41,.85));backdrop-filter:blur(12px) saturate(1.15);-webkit-backdrop-filter:blur(12px) saturate(1.15);box-shadow:var(--shadow-md);position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(18,194,168,.28),transparent 66%);pointer-events:none;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{font-size:14.5px;color:var(--text-weak);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,var(--bg-alt),#061019);margin-top:0;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;}
.footer-brand .brand-mark svg{width:18px;height:18px;}
.footer-brand .brand-name{font-size:16px;font-weight:700;}
.footer-col p{font-size:13.5px;color:var(--text-dim);line-height:1.85;max-width:340px;}
.footer-col h5{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:13.5px;color:var(--text-weak);}
.footer-links a:hover{color:var(--glow);}
.footer-bottom{border-top:1px solid var(--line-soft);padding:22px 0 28px;text-align:center;font-size:12.5px;color:var(--text-dim);}

@media (max-width:1200px){
  .hero-card{grid-template-columns:1.25fr 1fr;gap:28px;padding:32px;}
  .panel{grid-template-columns:minmax(0,1fr) 300px;gap:24px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;row-gap:36px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:none;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line-soft);}
  .panel{grid-template-columns:1fr;}
  .header-phone{display:none;}
}
@media (max-width:900px){
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero-card{grid-template-columns:1fr;padding:26px;gap:24px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
  .metric-strip{grid-template-columns:1fr;}
  .metric{border-right:none;border-bottom:1px solid var(--line-soft);}
  .metric:last-child{border-bottom:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-col:first-child{grid-column:1/-1;}
  .faq-a p{padding-left:26px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .brand-text em{display:none;}
  .hero-card h1{font-size:clamp(26px,7.4vw,34px);}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --brand:#12C2A8;
  --brand-deep:#0E9C8A;
  --brand-glow:#5BF3D6;
  --amber:#FFA24B;
  --danger:#FF6B6B;
  --bg:#081420;
  --bg-2:#0B1B29;
  --bg-3:#0D2233;
  --text:#E9F2F6;
  --text-2:#C4D6E0;
  --muted:#8FA5B3;
  --border:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.08);
  --r-lg:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(0,0,0,.28);
  --sh-md:0 12px 32px rgba(0,0,0,.38);
  --sh-glow:0 8px 30px rgba(18,194,168,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-glow);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(18,194,168,.35);color:#fff;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{padding:0 32px;}}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04211C;
  box-shadow:0 8px 26px rgba(18,194,168,.34);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 34px rgba(18,194,168,.42);}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 18px rgba(18,194,168,.3);}
.btn-outline{background:transparent;border-color:rgba(18,194,168,.55);color:var(--brand-glow);}
.btn-outline:hover{background:rgba(18,194,168,.12);border-color:var(--brand);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--text-2);padding:0 6px;}
.btn-ghost:hover{color:var(--brand-glow);}
.btn-ghost .arrow{transition:transform .2s var(--ease);}
.btn-ghost:hover .arrow{transform:translateX(4px);}

.chip-tag{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(18,194,168,.12);color:var(--brand-glow);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-amber{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(255,162,75,.14);color:var(--amber);font-size:12px;font-weight:600;
}
.ghost-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-glow);
}
.ghost-link:hover{color:#fff;}
.ghost-link .arrow{transition:transform .2s var(--ease);}
.ghost-link:hover .arrow{transform:translateX(4px);}

.section{padding:96px 0;}
.section-alt{background:var(--bg-2);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head .chip-tag{margin-bottom:16px;}
.section-head p{color:var(--muted);font-size:16px;margin-top:14px;line-height:1.85;}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,20,32,.86);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line);
  transition:background-color .32s var(--ease),box-shadow .32s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,16,26,.96);box-shadow:0 10px 30px rgba(0,0,0,.42);}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:var(--sh-glow);flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:#04211C;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-phone{font-size:14px;color:var(--muted);white-space:nowrap;}
.header-phone:hover{color:var(--brand-glow);}
.nav-chips{display:flex;gap:10px;overflow-x:auto;padding:10px 0 12px;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip-nav{
  flex:0 0 auto;padding:8px 18px;border-radius:var(--r-pill);
  font-size:14px;color:var(--muted);background:rgba(255,255,255,.04);
  border:1px solid transparent;
}
.chip-nav:hover{background:rgba(18,194,168,.14);color:var(--brand-glow);}
.chip-nav.active{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04211C;font-weight:700;
  box-shadow:0 6px 18px rgba(18,194,168,.3);
}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:var(--glass);cursor:pointer;padding:0;place-items:center;gap:4px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);margin:3px auto;transition:transform .32s var(--ease),opacity .2s var(--ease);}
.burger.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.burger.is-open span:nth-child(2){opacity:0;}
.burger.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.drawer-mask{
  position:fixed;inset:0;background:rgba(3,9,15,.68);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .32s var(--ease),visibility .32s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:95;
  background:var(--bg-2);border-left:1px solid var(--border);
  padding:24px 22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .32s var(--ease);
}
.drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:13px;color:var(--muted);margin:0 0 12px;letter-spacing:.06em;}
.drawer-links{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.drawer-links a{
  padding:9px 16px;border-radius:var(--r-pill);font-size:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--border);color:var(--text-2);
}
.drawer-links a.active{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#04211C;font-weight:700;border-color:transparent;}
.drawer-cta{display:flex;flex-direction:column;gap:12px;}
.drawer-foot{margin-top:24px;font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background-image:linear-gradient(180deg,rgba(8,20,32,.78),rgba(8,20,32,.95)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  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:64px 64px;
  mask-image:radial-gradient(circle at 70% 30%,rgba(0,0,0,.8),transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 30%,rgba(0,0,0,.8),transparent 72%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px;}
.crumb a:hover{color:var(--brand-glow);}
.crumb .sep{color:rgba(255,255,255,.22);}
.crumb .current{color:var(--brand-glow);}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero-copy h1{margin:18px 0 20px;}
.hero-lead{font-size:16px;color:var(--text-2);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-media{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:14px;backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:var(--sh-md);
}
.hero-media img{border-radius:var(--r-sm);aspect-ratio:16/10;object-fit:cover;width:100%;background:rgba(255,255,255,.04);}
.hero-note{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--muted);}
.dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(18,194,168,.16);flex:0 0 auto;}

/* ---------- 筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.filter-chip{
  padding:8px 18px;border-radius:var(--r-pill);cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  color:var(--muted);font-size:14px;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-chip:hover{background:rgba(18,194,168,.12);color:var(--brand-glow);}
.filter-chip.active{background:rgba(18,194,168,.16);border-color:rgba(18,194,168,.5);color:var(--brand-glow);font-weight:600;}

/* ---------- 两列布局 ---------- */
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:32px;align-items:start;}
.rows{display:flex;flex-direction:column;gap:20px;}
.row-card{
  display:grid;grid-template-columns:38% minmax(0,1fr);gap:24px;
  padding:22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--border);
  transition:transform .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.row-card:hover{transform:translateY(-4px);border-color:rgba(18,194,168,.34);box-shadow:var(--sh-md);}
.row-media img{
  border-radius:var(--r-sm);aspect-ratio:16/11;object-fit:cover;width:100%;
  background:rgba(255,255,255,.04);
}
.row-body h3{margin:12px 0 10px;}
.row-body p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:14px;}
.tick-list{margin:0 0 16px;display:flex;flex-direction:column;gap:8px;}
.tick-list li{position:relative;padding-left:22px;font-size:14px;color:var(--text-2);line-height:1.7;}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:rgba(18,194,168,.9);box-shadow:0 0 0 3px rgba(18,194,168,.14);
}
.row-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-bottom:14px;}
.row-meta .split{width:1px;height:12px;background:var(--line);}
.row-card[hidden]{display:none;}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:150px;}
.side-card{
  padding:24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
}
.side-card h4{margin-bottom:16px;font-size:17px;}
.side-links{display:flex;flex-direction:column;gap:4px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--r-sm);
  font-size:14px;color:var(--text-2);background:rgba(255,255,255,.03);
  border:1px solid transparent;
}
.side-links a:hover{background:rgba(18,194,168,.12);color:var(--brand-glow);border-color:rgba(18,194,168,.3);}
.side-links a.is-current{color:var(--brand-glow);border-color:rgba(18,194,168,.4);background:rgba(18,194,168,.1);}
.side-links a span.arw{font-size:14px;color:var(--muted);}
.side-card p.side-text{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
.side-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:18px;}
.side-contact a{color:var(--text-2);}
.side-contact a:hover{color:var(--brand-glow);}
.side-contact div{display:flex;gap:8px;align-items:flex-start;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:8px;}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--border);
  transition:transform .32s var(--ease),border-color .32s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(18,194,168,.32);}
.step-num{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:rgba(18,194,168,.12);color:var(--brand-glow);
  font-size:15px;font-weight:700;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stat{padding:34px 26px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{
  display:block;font-size:clamp(28px,3.4vw,44px);line-height:1.1;font-weight:700;
  color:var(--brand);text-shadow:0 6px 24px rgba(18,194,168,.35);
}
.stat b em{font-style:normal;font-size:17px;color:var(--text-2);margin-left:4px;font-weight:600;}
.stat span{display:block;margin-top:10px;font-size:13px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--border);border-left:3px solid transparent;
  border-radius:14px;background:var(--glass);overflow:hidden;
  transition:border-color .32s var(--ease),opacity .32s var(--ease),background-color .32s var(--ease);
}
.faq-item.is-open{border-left-color:var(--brand);background:var(--glass-strong);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-glow);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid rgba(18,194,168,.4);color:var(--brand-glow);
  display:grid;place-items:center;font-size:15px;line-height:1;
  transition:transform .32s var(--ease),background-color .32s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(18,194,168,.16);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a p{padding:0 22px 20px;margin:0;font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:40px 42px;border-radius:20px;
  background:linear-gradient(135deg,rgba(18,194,168,.16),rgba(255,255,255,.05));
  border:1px solid rgba(18,194,168,.32);
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  box-shadow:var(--sh-md);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--text-2);margin:0;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px;}
.footer-col h5{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-name{font-size:16px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--muted);}
.footer-links a:hover{color:var(--brand-glow);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  text-align:center;font-size:12px;color:rgba(143,165,179,.78);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{max-width:560px;}
  .content-grid{grid-template-columns:1fr;}
  .sidebar{position:static;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat{padding:28px 22px;}
  .stat:nth-child(odd){border-left:0;padding-left:0;}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-col:first-child{grid-column:1 / -1;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .header-phone{display:none;}
  .burger{display:grid;}
  .nav-chips{display:none;}
  .header-top{height:60px;}
  .brand-name{font-size:15px;}
  .row-card{grid-template-columns:1fr;gap:18px;}
  .row-media img{aspect-ratio:16/9;}
  .stats{grid-template-columns:1fr;}
  .stat{border-left:0;padding:22px 0;border-top:1px solid var(--line);}
  .stat:first-child{border-top:0;padding-top:0;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .page-hero{padding:36px 0 48px;}
  .crumb{margin-bottom:18px;}
}
@media (max-width:480px){
  .btn{width:100%;}
  .hero-actions,.cta-actions,.drawer-cta{flex-direction:column;align-items:stretch;}
  .btn-ghost{width:auto;}
  .filter-bar{gap:8px;}
  .filter-chip{font-size:13px;padding:7px 14px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#12C2A8;
  --c-primary-d:#0E9C8A;
  --c-glow:#5BF3D6;
  --c-accent:#FFA24B;
  --c-danger:#FF6B6B;

  --bg:#081420;
  --bg-2:#0B1B29;
  --bg-3:#0D2233;

  --text:#E8F2F5;
  --text-2:#A3B7C2;
  --text-3:#7A8E9A;

  --border:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.07);

  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.075);

  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;

  --sh-sm:0 2px 8px rgba(0,0,0,.28);
  --sh-md:0 12px 32px rgba(0,0,0,.38);
  --sh-glow:0 8px 30px rgba(18,194,168,.28);

  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:200ms;
  --t-mid:320ms;

  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease);}
a:hover{color:var(--c-primary);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-glow);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(8,20,32,.72);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line);
  transition:background var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,20,32,.92);
  box-shadow:var(--sh-sm);
}
.nav-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:68px;
  padding:8px 0;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(18,194,168,.9),rgba(14,156,138,.85));
  box-shadow:var(--sh-glow);
  flex:0 0 auto;
}
.brand-mark svg{
  width:19px;height:19px;
  fill:none;stroke:#04171a;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-phone{
  font-size:14px;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.nav-phone svg{
  width:16px;height:16px;fill:none;stroke:var(--c-primary);
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
}
.nav-phone:hover{color:var(--c-primary);}

.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  padding:0 0 12px;
  scrollbar-width:none;
  -ms-overflow-style:none;
  mask-image:linear-gradient(90deg,#000 0,#000 94%,transparent 100%);
  -webkit-mask-image:linear-gradient(90deg,#000 0,#000 94%,transparent 100%);
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip-nav{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  background:transparent;
  transition:all var(--t-fast) var(--ease);
}
.chip-nav:hover{
  color:var(--c-primary);
  background:rgba(18,194,168,.10);
  border-color:rgba(18,194,168,.22);
}
.chip-nav.active{
  color:#04211E;
  font-weight:600;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  border-color:transparent;
  box-shadow:0 6px 18px rgba(18,194,168,.30);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),filter var(--t-fast) var(--ease);
}
.btn-primary{
  color:#04211E;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  box-shadow:0 8px 26px rgba(18,194,168,.34);
}
.btn-primary:hover{
  color:#04211E;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 12px 34px rgba(18,194,168,.44);
}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 6px 18px rgba(18,194,168,.30);}
.btn-secondary{
  color:var(--c-primary);
  border-color:rgba(18,194,168,.45);
  background:transparent;
}
.btn-secondary:hover{
  color:var(--c-glow);
  background:rgba(18,194,168,.08);
  border-color:var(--c-primary);
  transform:translateY(-2px);
}
.btn-secondary:active{transform:translateY(-1px);}
.btn-ghost{
  color:var(--text-2);
  background:transparent;
  padding:0 8px;
}
.btn-ghost svg{
  width:16px;height:16px;fill:none;stroke:currentColor;
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
  transition:transform var(--t-fast) var(--ease);
}
.btn-ghost:hover{color:var(--c-primary);}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn-sm{height:34px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 页头横幅 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,20,32,.90) 0%,rgba(8,20,32,.86) 45%,rgba(8,20,32,.96) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  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:64px 64px;
  opacity:.5;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{
  max-width:880px;
  margin:0 auto;
  padding:88px 0 80px;
  text-align:center;
}
.crumbs{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs span.sep{color:rgba(255,255,255,.22);}
.crumbs span.current{color:var(--c-primary);}

.tag-row{
  display:flex;
  justify-content:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:22px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  font-size:12.5px;
  font-weight:600;
  border-radius:var(--radius-pill);
  color:var(--c-primary);
  background:rgba(18,194,168,.12);
  border:1px solid rgba(18,194,168,.24);
}
.tag-accent{
  color:var(--c-accent);
  background:rgba(255,162,75,.12);
  border-color:rgba(255,162,75,.26);
}
.tag-plain{
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border-color:var(--border);
}

.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.18;
  margin-bottom:20px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--c-primary);
  text-shadow:0 0 26px rgba(18,194,168,.42);
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:700px;
  margin:0 auto 22px;
}
.hero-desc{
  font-size:15px;
  line-height:1.9;
  color:var(--text-3);
  max-width:760px;
  margin:0 auto 32px;
  text-align:left;
}
.hero-actions{
  display:flex;
  justify-content:center;
  gap:14px;
  flex-wrap:wrap;
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-deep{background:var(--bg-3);}
.sec-head{margin-bottom:44px;}
.sec-head.center{text-align:center;max-width:780px;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:3px;height:14px;
  border-radius:2px;
  background:var(--c-primary);
  box-shadow:0 0 12px rgba(18,194,168,.6);
}
.sec-head.center .eyebrow::before{display:none;}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.28;
}
.sec-head p{
  margin-top:16px;
  font-size:15px;
  color:var(--text-2);
  max-width:720px;
}
.sec-head.center p{margin-left:auto;margin-right:auto;}

/* ============ 指标条 ============ */
.metric-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  overflow:hidden;
  margin-bottom:56px;
}
.metric{
  padding:28px 22px;
  text-align:center;
  border-right:1px solid var(--line);
}
.metric:last-child{border-right:0;}
.metric strong{
  display:block;
  font-size:clamp(30px,3.4vw,44px);
  font-weight:700;
  line-height:1.1;
  color:var(--c-primary);
  text-shadow:0 0 24px rgba(18,194,168,.35);
}
.metric span{
  display:block;
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  max-width:900px;
  margin:0 auto;
  padding-left:34px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;
  top:8px;
  bottom:8px;
  width:1px;
  background:linear-gradient(180deg,rgba(18,194,168,.6),rgba(18,194,168,.12) 70%,transparent);
}
.tl-item{
  position:relative;
  padding:0 0 34px 26px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-34px;
  top:22px;
  width:19px;height:19px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--c-primary);
  box-shadow:0 0 0 5px rgba(18,194,168,.10);
}
.tl-dot::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:7px;height:7px;
  margin:-3.5px 0 0 -3.5px;
  border-radius:50%;
  background:var(--c-glow);
}
.tl-card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--glass);
  padding:24px;
  transition:transform var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.tl-card:hover{
  transform:translateY(-4px);
  border-color:rgba(18,194,168,.30);
  box-shadow:var(--sh-md);
}
.tl-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:12px;
  flex-wrap:wrap;
}
.tl-num{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-primary);
  border:1px solid rgba(18,194,168,.30);
  background:rgba(18,194,168,.10);
  border-radius:8px;
  padding:3px 10px;
}
.tl-card h3{font-size:19px;}
.tl-card p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.tl-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.tl-tags li{
  font-size:12.5px;
  color:var(--text-3);
  padding:4px 12px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--border);
}

/* ============ 障碍速查 ============ */
.issue-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.issue-card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--bg-2);
  padding:24px;
  transition:border-color var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.issue-card:hover{
  transform:translateY(-4px);
  border-color:rgba(18,194,168,.30);
  box-shadow:var(--sh-md);
}
.issue-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.issue-icon{
  width:38px;height:38px;
  border-radius:11px;
  display:grid;place-items:center;
  background:rgba(18,194,168,.10);
  border:1px solid rgba(18,194,168,.22);
}
.issue-icon svg{
  width:19px;height:19px;
  fill:none;stroke:var(--c-primary);
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.issue-card h3{font-size:17px;margin-bottom:10px;}
.issue-card p{font-size:14px;color:var(--text-2);}
.issue-meta{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:10px;
}
.dot-sep{
  width:3px;height:3px;
  border-radius:50%;
  background:rgba(255,255,255,.28);
  flex:0 0 auto;
}

/* ============ 推荐卡 2×2 ============ */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.rec-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--glass);
  overflow:hidden;
  transition:transform var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.rec-card:hover{
  transform:translateY(-4px);
  border-color:rgba(18,194,168,.32);
  box-shadow:var(--sh-md);
}
.rec-media{
  position:relative;
  aspect-ratio:16/10;
  background:rgba(255,255,255,.05);
  overflow:hidden;
}
.rec-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--t-mid) var(--ease);
}
.rec-card:hover .rec-media img{transform:scale(1.03);}
.rec-badge{
  position:absolute;
  left:14px;top:14px;
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  color:var(--c-accent);
  background:rgba(8,20,32,.72);
  border:1px solid rgba(255,162,75,.34);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.rec-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.rec-body h3{font-size:19px;margin-bottom:10px;}
.rec-body p{
  font-size:14px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rec-foot{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.rec-foot .go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--c-primary);
}
.rec-foot .go svg{
  width:15px;height:15px;fill:none;stroke:currentColor;
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
  transition:transform var(--t-fast) var(--ease);
}
.rec-card:hover .rec-foot .go svg{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  position:relative;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.035);
  overflow:hidden;
  margin-bottom:14px;
  transition:border-color var(--t-mid) var(--ease),background var(--t-mid) var(--ease);
}
.faq-item summary{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:64px;
  padding:14px 24px 14px 26px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  list-style:none;
  transition:color var(--t-fast) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:transparent;
  transition:background var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.faq-item summary:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--border);
  transition:transform var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),background var(--t-mid) var(--ease);
}
.faq-icon svg{
  width:13px;height:13px;fill:none;stroke:var(--text-2);
  stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
  transition:stroke var(--t-mid) var(--ease);
}
.faq-item[open]{
  border-color:rgba(18,194,168,.34);
  background:rgba(18,194,168,.055);
}
.faq-item[open] summary::before{
  background:var(--c-primary);
  box-shadow:0 0 14px rgba(18,194,168,.65);
}
.faq-item[open] .faq-icon{
  transform:rotate(180deg);
  border-color:rgba(18,194,168,.42);
  background:rgba(18,194,168,.12);
}
.faq-item[open] .faq-icon svg{stroke:var(--c-primary);}
.faq-answer{
  padding:0 26px 22px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.88;
}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border:1px solid rgba(18,194,168,.26);
  border-radius:20px;
  background:linear-gradient(135deg,rgba(18,194,168,.13),rgba(255,255,255,.04) 55%,rgba(255,162,75,.07));
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  overflow:hidden;
  box-shadow:var(--sh-md);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,168,.22),transparent 68%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:640px;}
.cta-text h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-text p{font-size:15px;color:var(--text-2);}
.cta-actions{
  position:relative;z-index:2;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  flex:0 0 auto;
}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-2);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  width:32px;height:32px;
  border-radius:9px;
}
.footer-brand .brand-name{
  font-size:16px;
  font-weight:700;
  color:var(--text);
}
.footer-col p{
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.85;
  max-width:340px;
}
.footer-col h5{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-links a{
  font-size:13.5px;
  color:var(--text-3);
}
.footer-links a:hover{color:var(--c-primary);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  text-align:center;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.01em;
}

/* ============ 响应式 ============ */
@media (min-width:1280px){
  .container{padding:0 32px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero-inner{padding:72px 0 64px;}
  .issue-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:28px;}
  .footer-col p{max-width:none;}
  .cta-band{padding:36px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .nav-top{min-height:60px;}
  .nav-phone{display:none;}
  .section{padding:56px 0;}
  .hero-inner{padding:56px 0 52px;}
  .page-hero{background-position:center top;}
  .metric-strip{grid-template-columns:1fr 1fr;}
  .metric{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .metric:nth-child(2n){border-right:0;}
  .metric:nth-child(n+3){border-bottom:0;}
  .issue-grid{grid-template-columns:1fr;}
  .rec-grid{grid-template-columns:1fr;}
  .timeline{padding-left:24px;}
  .timeline::before{left:6px;}
  .tl-dot{left:-24px;top:20px;}
  .tl-card{padding:20px;}
  .cta-band{padding:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:520px){
  .brand{font-size:15.5px;}
  .brand-mark{width:30px;height:30px;}
  .chip-nav{height:34px;padding:0 13px;font-size:13px;}
  .hero-actions .btn{width:100%;}
  .metric-strip{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:nth-child(n+3){border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-item summary{padding-left:20px;padding-right:18px;font-size:15px;}
  .faq-answer{padding:0 20px 20px;}
  .tl-item{padding-left:16px;}
}