/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --c-primary:#0FB98C;
  --c-primary-dark:#0A8F6B;
  --c-primary-soft:#E9FBF5;
  --c-secondary:#5B4BFF;
  --c-secondary-soft:#EFEDFF;
  --c-promo:#FF7A3D;
  --c-title:#17162B;
  --c-text:#4A4A63;
  --c-muted:#8A8AA3;
  --c-line:#E9EAF2;
  --c-card:#FFFFFF;
  --c-bg:#F5F7FA;
  --c-bg-alt:#F0F4FF;
  --c-footer:#17162B;
  --grad:linear-gradient(120deg,#0FB98C 0%,#3FA9F5 45%,#5B4BFF 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-card:18px;
  --r-btn:12px;
  --r-badge:8px;
  --r-img:14px;
  --r-input:12px;
  --sh-card:0 6px 24px rgba(23,22,43,.06);
  --sh-hover:0 14px 36px rgba(15,185,140,.16);
  --sh-nav:0 2px 16px rgba(23,22,43,.06);
  --ring:0 0 0 3px rgba(91,75,255,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
  --font:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

/* ================= reset / base ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--c-primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-title);font-weight:700;letter-spacing:-.4px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:6px;}
::selection{background:rgba(15,185,140,.22);}

/* ================= 容器 ================= */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.container-wide{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ================= 通用按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(15,185,140,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,185,140,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,185,140,.22);}
.btn-secondary{background:#fff;border-color:var(--c-primary);color:var(--c-primary-dark);}
.btn-secondary:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-title);}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary-dark);background:#fff;}
.btn-ghost{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;transform:translateY(-1px);}
.btn-lg{height:52px;padding:0 30px;font-size:16px;border-radius:14px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--c-primary-dark);}
.text-link i{font-style:normal;transition:transform .22s var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ================= 徽章 ================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12.5px;font-weight:700;line-height:1;letter-spacing:.2px;white-space:nowrap;
}
.badge-cat{background:var(--c-secondary-soft);color:var(--c-secondary);}
.badge-data{background:var(--grad);color:#fff;}
.badge-promo{background:var(--c-promo);color:#fff;}
.badge-state{background:#F0F1F6;color:var(--c-muted);}

/* ================= 导航 ================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-nav);
}
.nav-wrap{
  display:flex;align-items:center;gap:20px;
  height:var(--nav-h);max-width:1200px;margin:0 auto;padding:0 32px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand-mark{
  position:relative;width:36px;height:36px;border-radius:11px;
  background:var(--grad);box-shadow:0 6px 16px rgba(15,185,140,.3);flex:0 0 auto;
}
.brand-mark::before{
  content:"";position:absolute;left:11px;top:11px;width:14px;height:14px;
  border-radius:4px;background:#fff;opacity:.96;
}
.brand-mark::after{
  content:"";position:absolute;left:15px;top:15px;width:6px;height:6px;
  border-radius:2px;background:var(--c-primary);
}
.brand-text{font-size:17px;font-weight:800;color:var(--c-title);letter-spacing:-.4px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--c-text);text-decoration:none;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--c-primary-dark);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary-dark);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search svg{position:absolute;left:14px;width:15px;height:15px;color:var(--c-muted);pointer-events:none;}
.nav-search input{
  width:206px;height:42px;border-radius:999px;
  border:1px solid var(--c-line);background:#F5F7FA;
  padding:0 16px 0 38px;font-size:14px;color:var(--c-title);
  transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:var(--ring);}
.site-header .btn{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--c-line);border-radius:12px;background:#fff;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-title);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动端抽屉 */
.mobile-overlay{
  position:fixed;inset:0;background:rgba(23,22,43,.46);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.mobile-overlay.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:#fff;display:flex;flex-direction:column;
  transform:translateX(105%);transition:transform .32s var(--ease);
  box-shadow:-18px 0 44px rgba(23,22,43,.18);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line);}
.drawer-head .brand-text{font-size:16px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:#fff;
  font-size:20px;line-height:1;color:var(--c-title);cursor:pointer;
}
.drawer-nav{padding:12px 14px;display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  font-size:15.5px;font-weight:600;color:var(--c-text);
}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.drawer-nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.drawer-foot{padding:16px 20px calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--c-line);}
@media (min-width:992px){
  .mobile-drawer,.mobile-overlay{display:none;}
}

/* ================= Hero ================= */
.hero{
  position:relative;overflow:hidden;
  padding:70px 0 54px;
  background:
    radial-gradient(900px 420px at 10% -14%, rgba(15,185,140,.13), transparent 62%),
    radial-gradient(760px 420px at 92% -4%, rgba(91,75,255,.12), transparent 64%),
    #fff;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(15,185,140,.35),rgba(91,75,255,.35),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:13px;font-weight:700;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(15,185,140,.18);font-style:normal;}
.hero-title{
  margin:20px 0 16px;
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.28;font-weight:800;letter-spacing:-.8px;
}
.hero-sub{font-size:clamp(17px,1.6vw,20px);font-weight:700;color:var(--c-secondary);line-height:1.6;margin-bottom:14px;}
.hero-desc{font-size:16px;line-height:1.9;color:var(--c-text);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;
  padding-top:26px;border-top:1px dashed var(--c-line);
}
.hero-stats li{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 16px;border-radius:var(--r-btn);
  background:#F7F9FC;border:1px solid var(--c-line);
}
.hero-stats strong{
  font-size:22px;font-weight:800;color:var(--c-title);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-stats span{font-size:13.5px;color:var(--c-muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:0 22px 54px rgba(23,22,43,.14);
}
.hero-visual::before{
  content:"";position:absolute;inset:-14px -14px auto auto;width:120px;height:120px;
  border-radius:28px;background:var(--grad);opacity:.16;z-index:-1;
}
.hero-float{
  position:absolute;left:-14px;bottom:22px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:16px;background:#fff;
  box-shadow:0 16px 38px rgba(23,22,43,.16);border:1px solid var(--c-line);
}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 5px rgba(15,185,140,.16);}
.hero-float strong{display:block;font-size:14.5px;color:var(--c-title);font-weight:800;}
.hero-float em{display:block;font-style:normal;font-size:12.5px;color:var(--c-muted);}

/* 信任条 */
.trust-bar{
  display:grid;grid-template-columns:repeat(5,1fr);gap:12px;
  margin-top:52px;padding-top:26px;border-top:1px solid var(--c-line);
}
.trust-bar li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;color:var(--c-text);
}
.trust-bar span{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}

/* ================= 板块 ================= */
.section{padding:96px 0;}
.section-alt{background:linear-gradient(180deg,#F0F4FF 0%,#F8FAFF 100%);}
.section-plain{background:#fff;}
.sec-head{max-width:780px;margin:0 auto 44px;text-align:center;}
.sec-head h2{font-size:clamp(22px,2.7vw,32px);line-height:1.34;font-weight:800;margin:14px 0 12px;}
.sec-head p{font-size:16px;line-height:1.85;color:var(--c-text);}

/* ================= 阶梯 ================= */
.ladder{position:relative;padding-left:38px;max-width:920px;margin:0 auto;}
.ladder::before{
  content:"";position:absolute;left:11px;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:var(--grad);
}
.ladder-item{position:relative;margin-bottom:20px;}
.ladder-item:last-child{margin-bottom:0;}
.ladder-item::before{
  content:"";position:absolute;left:-34px;top:30px;width:15px;height:15px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);box-shadow:0 0 0 5px rgba(15,185,140,.13);
}
.ladder-body{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.ladder-body:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,185,140,.3);}
.ladder-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.ladder-top h3{font-size:19px;font-weight:700;}
.tick-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px;margin:14px 0 18px;}
.tick-list li{position:relative;padding-left:20px;font-size:14.8px;line-height:1.75;color:var(--c-text);}
.tick-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:3px;
  background:var(--c-primary-soft);border:2px solid var(--c-primary);
}

/* ================= 对比 ================= */
.compare-scroll{position:relative;}
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.compare-col{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:30px 26px 26px;box-shadow:var(--sh-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.compare-col:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,185,140,.3);}
.compare-col.is-featured{
  background:linear-gradient(180deg,#FFFFFF 0%,#F6F5FF 100%);
  border-color:rgba(91,75,255,.28);
  box-shadow:0 20px 48px rgba(91,75,255,.16);
}
.corner{
  position:absolute;top:-13px;right:22px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-promo);color:#fff;font-size:12.5px;font-weight:800;
  display:flex;align-items:center;box-shadow:0 8px 18px rgba(255,122,61,.36);
}
.compare-name{font-size:18px;font-weight:800;color:var(--c-title);margin-bottom:6px;}
.compare-note{font-size:13.5px;color:var(--c-muted);margin-bottom:18px;}
.compare-num{
  display:flex;align-items:baseline;gap:6px;
  font-size:38px;font-weight:800;color:var(--c-title);
  letter-spacing:-1.4px;font-variant-numeric:tabular-nums;line-height:1.1;
}
.compare-num em{font-style:normal;font-size:14px;font-weight:600;color:var(--c-muted);letter-spacing:0;}
.compare-rows{margin:20px 0 24px;border-top:1px solid var(--c-line);}
.compare-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--c-line);
  font-size:14.5px;color:var(--c-text);
}
.compare-row b{font-weight:700;color:var(--c-title);}
.compare-row .yes{color:var(--c-primary-dark);font-weight:800;}
.compare-row .no{color:#C2C4D2;font-weight:800;}
.compare-col .btn{margin-top:auto;}

/* ================= 状态横幅 ================= */
.status-banner{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);background:var(--grad);color:#fff;
  padding:38px 42px;display:grid;grid-template-columns:1.15fr auto;gap:30px;align-items:center;
  box-shadow:0 24px 56px rgba(91,75,255,.24);
}
.status-banner::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.12);
}
.status-banner h2{color:#fff;font-size:clamp(20px,2.3vw,27px);line-height:1.35;margin:12px 0 10px;}
.status-banner p{color:rgba(255,255,255,.88);font-size:15px;line-height:1.8;max-width:560px;}
.status-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.4);
  font-size:12.5px;font-weight:700;
}
.status-tag i{width:7px;height:7px;border-radius:50%;background:#B9FFE4;font-style:normal;}
.status-side{display:flex;flex-direction:column;gap:14px;align-items:stretch;position:relative;z-index:1;}
.status-metrics{display:flex;gap:12px;flex-wrap:wrap;}
.status-metric{
  min-width:104px;padding:12px 16px;border-radius:14px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  backdrop-filter:blur(6px);
}
.status-metric strong{
  display:block;font-size:20px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.status-metric span{font-size:12.5px;color:rgba(255,255,255,.82);}

/* ================= 通用卡片网格 ================= */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-card);display:flex;flex-direction:column;gap:12px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,185,140,.3);}
.info-icon{
  width:44px;height:44px;border-radius:13px;background:var(--c-secondary-soft);color:var(--c-secondary);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
}
.info-card h3{font-size:17px;font-weight:700;line-height:1.5;}
.info-card p{font-size:14.8px;line-height:1.82;color:var(--c-text);}

/* ================= 资讯板块 ================= */
.news-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:34px;}
.news-tab{
  height:36px;padding:0 18px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-text);font-size:14px;font-weight:600;cursor:pointer;
  transition:all .22s var(--ease);
}
.news-tab:hover{border-color:var(--c-primary);color:var(--c-primary-dark);}
.news-tab.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(15,185,140,.24);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,185,140,.3);}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(120deg,#E9FBF5,#EFEDFF);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{
  font-size:17px;font-weight:700;line-height:1.52;color:var(--c-title);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a{color:inherit;}
.news-title a:hover{color:var(--c-primary-dark);}
.news-excerpt{
  font-size:14.5px;line-height:1.8;color:var(--c-text);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-muted);
}
.empty-state{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border-radius:var(--r-card);background:#fff;
  border:1px dashed var(--c-line);text-align:center;
}
.empty-state .empty-icon{
  width:54px;height:54px;border-radius:16px;background:var(--c-secondary-soft);
  color:var(--c-secondary);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;
}
.empty-state p{font-size:15px;color:var(--c-muted);}

/* ================= FAQ ================= */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:16px;padding:0 24px;overflow:hidden;
  transition:border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.faq-item:hover{border-color:rgba(15,185,140,.3);}
.faq-item[open]{border-color:rgba(15,185,140,.4);box-shadow:var(--sh-card);}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--grad);
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 40px 20px 6px;font-size:17px;font-weight:600;color:var(--c-title);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:4px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--c-primary);}
.faq-answer{padding:0 6px 22px;font-size:15px;line-height:1.8;color:var(--c-text);}

/* ================= 咨询表单 ================= */
.consult{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start;}
.consult-intro h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:14px;}
.consult-intro > p{font-size:15.5px;line-height:1.88;color:var(--c-text);}
.trust-points{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
.trust-points li{display:flex;gap:14px;align-items:flex-start;}
.trust-points span{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.trust-points strong{display:block;font-size:15px;color:var(--c-title);font-weight:700;}
.trust-points em{display:block;font-style:normal;font-size:14px;color:var(--c-muted);line-height:1.75;}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:32px;box-shadow:0 16px 40px rgba(23,22,43,.07);
}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px;}
.form-card > p{font-size:14px;color:var(--c-muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-title);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#FBFCFE;padding:0 14px;font-size:15px;color:var(--c-title);
  transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-muted);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:var(--ring);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--c-text);line-height:1.7;}
.check-line input{width:17px;height:17px;margin-top:3px;flex:0 0 auto;accent-color:var(--c-primary);}
.form-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.form-hint{margin-top:14px;font-size:13px;color:var(--c-muted);}
.form-msg{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-input);
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:14px;font-weight:600;
}
.form-msg.is-show{display:block;}

/* ================= 页脚 ================= */
.site-footer{background:var(--c-footer);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:42px;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-brand .brand-mark{box-shadow:0 6px 18px rgba(15,185,140,.4);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px;}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:0;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.site-footer a{color:rgba(255,255,255,.7);font-size:14px;}
.site-footer a:hover{color:var(--c-primary);}
.footer-contact li{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);margin-bottom:10px;}
.footer-contact li b{display:block;color:#fff;font-weight:700;font-size:13.5px;}
.qr-box{
  margin-top:16px;width:108px;height:108px;border-radius:16px;
  background:rgba(255,255,255,.08);border:1px dashed rgba(255,255,255,.28);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  font-size:12px;color:rgba(255,255,255,.55);text-align:center;padding:8px;
}
.qr-box i{
  width:30px;height:30px;border-radius:9px;background:var(--grad);font-style:normal;
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#fff;font-weight:800;
}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom span{color:rgba(255,255,255,.5);}

/* ================= 响应式 ================= */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .nav-search input{width:170px;}
  .grid-4{gap:18px;}
}

@media (max-width:991px){
  :root{--nav-h:60px;}
  .container,.container-wide{padding:0 26px;}
  .nav-wrap{padding:0 26px;height:var(--nav-h);}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .site-header .btn.btn-ghost,.site-header .btn.btn-outline{display:none;}
  .section{padding:72px 0;}
  .hero{padding:52px 0 44px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-desc{max-width:none;}
  .hero-visual{order:-1;}
  .hero-float{left:12px;bottom:14px;}
  .trust-bar{grid-template-columns:repeat(3,1fr);gap:14px 10px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .compare-grid{grid-template-columns:repeat(3,minmax(280px,1fr));}
  .compare-scroll{overflow-x:auto;padding-bottom:12px;-webkit-overflow-scrolling:touch;}
  .compare-scroll::after{
    content:"";position:absolute;right:0;top:0;bottom:12px;width:44px;pointer-events:none;
    background:linear-gradient(90deg,rgba(240,244,255,0),rgba(240,244,255,.95));
  }
  .consult{grid-template-columns:1fr;gap:32px;}
  .status-banner{grid-template-columns:1fr;gap:24px;padding:32px 30px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-brand p{max-width:none;}
}

@media (max-width:767px){
  .container,.container-wide{padding:0 20px;}
  .nav-wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:32px;}
  .hero-stats{gap:10px;}
  .hero-stats li{padding:8px 12px;}
  .hero-stats strong{font-size:19px;}
  .trust-bar{grid-template-columns:repeat(2,1fr);}
  .ladder{padding-left:30px;}
  .ladder::before{left:8px;}
  .ladder-item::before{left:-27px;width:13px;height:13px;}
  .tick-list{grid-template-columns:1fr;}
  .grid-4,.grid-3,.news-grid{grid-template-columns:1fr;}
  .news-grid{gap:18px;}
  .ladder-body{padding:22px 20px;}
  .compare-col{padding:26px 22px;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .status-banner{padding:28px 22px;}
  .status-metrics{gap:10px;}
  .status-metric{min-width:0;flex:1;}
  .faq-item{padding:0 18px;}
  .faq-item summary{font-size:16px;padding:18px 34px 18px 4px;}
}

@media (max-width:479px){
  .hero{padding:40px 0 36px;}
  .hero-title{font-size:clamp(24px,7.4vw,30px);}
  .hero-sub{font-size:16px;}
  .btn{width:100%;}
  .hero-cta .btn{width:100%;}
  .form-actions .btn{width:100%;}
  .trust-bar{grid-template-columns:1fr;}
  .hero-stats{flex-direction:column;align-items:stretch;}
  .hero-stats li{justify-content:space-between;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-float{left:10px;bottom:10px;padding:12px 14px;}
  .compare-num{font-size:32px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#0FB98C;
  --brand-deep:#0A8F6B;
  --violet:#5B4BFF;
  --orange:#FF7A3D;
  --title:#17162B;
  --text:#4A4A63;
  --muted:#8A8AA3;
  --line:#E9EAF2;
  --card:#FFFFFF;
  --page:#F5F7FA;
  --alt:#F0F4FF;
  --grad:linear-gradient(120deg,#0FB98C 0%,#3FA9F5 45%,#5B4BFF 100%);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-badge:8px;
  --radius-img:14px;
  --shadow-card:0 6px 24px rgba(23,22,43,.06);
  --shadow-hover:0 14px 36px rgba(15,185,140,.16);
  --shadow-nav:0 2px 16px rgba(23,22,43,.06);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-section:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--page);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0;color:var(--title);letter-spacing:-.4px;line-height:1.35;}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.28;}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;}
h3{font-size:20px;font-weight:700;}
h4{font-size:17px;font-weight:600;}
:focus-visible{outline:3px solid rgba(91,75,255,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.container-wide{max-width:1280px;margin:0 auto;padding:0 32px;width:100%;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(15,185,140,.28);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,185,140,.34);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(15,185,140,.24);}
.btn-outline{background:#fff;color:var(--brand-deep);border:1px solid var(--brand);}
.btn-outline:hover{background:#EAFBF5;transform:translateY(-1px);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.24);}
.btn-soft{background:#EFF1FF;color:var(--violet);}
.btn-soft:hover{background:#E4E7FF;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-deep);font-weight:600;font-size:15px;height:auto;padding:0;}
.btn-text i{transition:transform .22s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--radius-badge);font-size:12.5px;font-weight:600;line-height:1;
}
.badge-cat{background:#EEEBFF;color:var(--violet);}
.badge-data{background:var(--grad);color:#fff;}
.badge-outline{background:transparent;color:var(--brand-deep);border:1px solid var(--brand);}
.badge-promo{background:var(--orange);color:#fff;}
.badge-plain{background:#F1F2F8;color:var(--muted);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);box-shadow:var(--shadow-nav);
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);position:relative;flex-shrink:0;
  box-shadow:0 6px 16px rgba(91,75,255,.28);
}
.brand-mark::after{
  content:"";position:absolute;inset:0;margin:auto;width:12px;height:12px;
  border-radius:4px;background:#fff;opacity:.92;
}
.brand-text{font-size:17px;font-weight:800;color:var(--title);letter-spacing:-.3px;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;min-width:0;}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--text);border-radius:10px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--brand-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-deep);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:6px;height:42px;padding:0 6px 0 16px;
  background:#F4F6FB;border:1px solid var(--line);border-radius:999px;min-width:216px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(15,185,140,.12);}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--title);}
.nav-search input::placeholder{color:var(--muted);}
.nav-search button{
  width:32px;height:32px;border-radius:50%;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  color:var(--title);font-size:18px;align-items:center;justify-content:center;background:#fff;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:#fff;box-shadow:-12px 0 40px rgba(23,22,43,.16);
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px 20px 96px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:18px;color:var(--title);}
.drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;
  font-size:15.5px;font-weight:500;color:var(--text);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{background:var(--alt);color:var(--brand-deep);}
.drawer-cta{position:absolute;left:20px;right:20px;bottom:20px;}
.drawer-cta .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,22,43,.42);z-index:80;opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- article head ---------- */
.page-hero{
  background:linear-gradient(120deg,rgba(15,185,140,.10) 0%,rgba(63,169,245,.10) 45%,rgba(91,75,255,.10) 100%),#FFFFFF;
  border-bottom:1px solid var(--line);
  padding:26px 0 40px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb i{font-size:10px;color:#C3C5D6;}
.breadcrumb .crumb-now{
  color:var(--text);max-width:min(520px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.page-hero h1{max-width:920px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:14px;color:var(--muted);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D3D5E3;}
.hero-note{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;color:var(--text);
}
.hero-note span{display:inline-flex;align-items:center;gap:8px;}
.hero-note i{color:var(--brand);}

/* ---------- layout ---------- */
.section{padding:var(--gap-section) 0;}
.section-alt{background:linear-gradient(180deg,#FFFFFF 0%,var(--alt) 100%);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head p{margin:12px 0 0;color:var(--text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:#EAFBF5;color:var(--brand-deep);font-size:12.5px;font-weight:700;letter-spacing:.4px;margin-bottom:14px;
}
.layout-row{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:36px;align-items:start;}

/* ---------- article body ---------- */
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:38px 40px;
}
.article-body{font-size:16px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;font-size:clamp(22px,2.2vw,27px);margin:36px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:22px;margin:28px 0 14px;}
.article-body h4{font-size:17px;margin:22px 0 10px;}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(15,185,140,.4);}
.article-body a:hover{color:var(--violet);border-color:rgba(91,75,255,.5);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:8px 0;line-height:1.85;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:4px solid var(--brand);background:#F4FBF8;border-radius:0 12px 12px 0;color:#3A3A52;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:22px 0 8px;border-radius:var(--radius-img);width:100%;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;}
.article-body code{
  background:#F1F2F8;border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--violet);
}
.article-body pre{
  background:#17162B;color:#EDEEF7;border-radius:14px;padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;border:0;color:inherit;padding:0;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15px;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
}
.article-body thead th{background:#F4F6FB;color:var(--title);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FAFBFE;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-empty{
  text-align:center;padding:56px 20px;
}
.article-empty .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:0 10px 26px rgba(91,75,255,.26);
}
.article-empty h2{font-size:24px;margin-bottom:10px;}
.article-empty p{color:var(--muted);margin-bottom:22px;}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:22px;
}
.side-title{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title i{color:var(--brand);}
.toc-list{display:grid;gap:2px;}
.toc-list a{
  display:block;font-size:14.5px;color:var(--text);padding:8px 10px;border-radius:10px;border-left:2px solid transparent;
  line-height:1.6;
}
.toc-list a:hover{background:var(--alt);color:var(--brand-deep);border-left-color:var(--brand);}
.toc-list a.is-sub{padding-left:22px;font-size:14px;color:var(--muted);}
.rec-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.rec-item:last-child{border-bottom:0;padding-bottom:0;}
.rec-item:first-of-type{padding-top:0;}
.rec-item img{width:84px;height:60px;flex-shrink:0;border-radius:12px;}
.rec-item h4{font-size:15px;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-item:hover h4{color:var(--brand-deep);}
.rec-item span{font-size:12.5px;color:var(--muted);}
.side-cta{
  border-radius:var(--radius-card);padding:24px;color:#fff;background:var(--grad);
  box-shadow:0 14px 34px rgba(91,75,255,.24);
}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:10px;}
.side-cta p{color:rgba(255,255,255,.88);font-size:14px;margin-bottom:18px;}
.side-cta .btn{width:100%;background:#fff;color:var(--brand-deep);}
.side-cta .btn:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(23,22,43,.18);}
.side-cta .tip{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.8);text-align:center;}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,185,140,.3);}
.post-thumb{position:relative;overflow:hidden;margin:0;}
.post-thumb img{width:100%;height:186px;border-radius:0;transition:transform .3s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-thumb .badge{position:absolute;left:14px;top:14px;}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:14.5px;color:var(--text);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:auto;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--grad);border-radius:24px;padding:40px 44px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 20px 44px rgba(91,75,255,.24);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);}
.cta-band p{color:rgba(255,255,255,.9);margin:10px 0 0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-actions .btn-outline{background:#fff;border-color:#fff;color:var(--brand-deep);}

/* ---------- back bar ---------- */
.back-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  padding:22px 26px;
}
.back-bar h3{font-size:17px;margin-bottom:6px;}
.back-bar p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- faq (sidebar/aux) ---------- */
.faq-list{display:grid;gap:12px;margin-top:8px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;font-size:16px;font-weight:600;color:var(--title);text-align:left;
}
.faq-q i{transition:transform .24s var(--ease);color:var(--brand);font-size:14px;}
.faq-item.is-open .faq-q{color:var(--brand-deep);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a p{margin:0;padding:0 20px 18px;font-size:15px;color:var(--text);}
.faq-item.is-open{border-left:3px solid var(--brand);}
.faq-item.is-open .faq-a{max-height:320px;}

/* ---------- footer ---------- */
.site-footer{background:var(--title);color:#C9CADB;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.site-footer .brand-text{color:#fff;}
.site-footer p{font-size:14px;line-height:1.85;color:#A7A8BF;margin:16px 0 0;max-width:320px;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links li{margin:10px 0;}
.footer-links a{font-size:14.5px;color:#C9CADB;}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{font-size:14.5px;margin:10px 0;color:#A7A8BF;}
.footer-contact b{color:#fff;font-weight:600;margin-right:6px;}
.qr-box{
  margin-top:18px;display:inline-flex;align-items:center;gap:12px;padding:10px 14px;
  border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.04);
}
.qr-box i{
  width:40px;height:40px;border-radius:10px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:13px;font-weight:700;
}
.qr-box span{font-size:13px;color:#C9CADB;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#8A8AA3;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container,.container-wide{padding:0 24px;}
  .nav-search{min-width:170px;}
  .nav-link{padding:8px 9px;font-size:14.5px;}
}
@media (max-width:991px){
  :root{--gap-section:72px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .header-actions .btn-ghost,.header-actions .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;}
  .layout-row{grid-template-columns:minmax(0,1fr);gap:28px;}
  .sidebar{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-card{padding:28px 24px;}
  .cta-band{padding:32px 28px;}
}
@media (max-width:767px){
  :root{--gap-section:48px;}
  .container,.container-wide{padding:0 20px;}
  .header-inner{height:60px;}
  .page-hero{padding:20px 0 30px;}
  .breadcrumb .crumb-now{max-width:56vw;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-card{padding:22px 18px;}
  .side-card{padding:18px;}
  .back-bar,.cta-band{flex-direction:column;align-items:flex-start;}
  .back-bar .btn,.cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:479px){
  h1{font-size:26px;}
  .brand-text{font-size:15.5px;}
  .hero-note{font-size:13px;gap:8px 16px;}
  .article-meta{font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --brand:#0FB98C;
  --brand-dark:#0A8F6B;
  --violet:#5B4BFF;
  --orange:#FF7A3D;
  --ink:#17162B;
  --text:#4A4A63;
  --muted:#8A8AA3;
  --line:#E9EAF2;
  --card:#FFFFFF;
  --bg:#F5F7FA;
  --bg-alt:#F0F4FF;
  --grad:linear-gradient(120deg,#0FB98C 0%,#3FA9F5 45%,#5B4BFF 100%);
  --r-card:18px;
  --r-btn:12px;
  --r-badge:8px;
  --r-img:14px;
  --r-input:12px;
  --shadow-card:0 6px 24px rgba(23,22,43,.06);
  --shadow-hover:0 14px 36px rgba(15,185,140,.16);
  --shadow-nav:0 2px 16px rgba(23,22,43,.06);
  --focus-ring:0 0 0 3px rgba(91,75,255,.35);
  --font:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --nav-h:72px;
}
/* ===== reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink);}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:6px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ===== 容器 ===== */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.container-wide{max-width:1280px;}

/* ===== 通用标题 ===== */
h1{font-size:clamp(28px,4.2vw,44px);line-height:1.28;font-weight:800;letter-spacing:-.4px;color:var(--ink);}
h2{font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.4px;color:var(--ink);}
h3{font-size:clamp(19px,2.1vw,22px);line-height:1.45;font-weight:700;color:var(--ink);}
h4{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;}
.lead{font-size:17px;line-height:1.8;color:var(--text);}
.small{font-size:14px;color:var(--muted);}
.tagline{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--violet);font-weight:700;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(15,185,140,.28);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,185,140,.36);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(15,185,140,.28);}
.btn-outline{background:#fff;color:var(--brand-dark);border:1px solid var(--brand);}
.btn-outline:hover{background:rgba(15,185,140,.08);color:var(--brand-dark);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-light{background:#fff;color:var(--ink);border:1px solid var(--line);}
.btn-light:hover{border-color:rgba(15,185,140,.5);color:var(--brand-dark);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);font-weight:600;font-size:15px;}
.btn-text i{font-style:normal;transition:transform .22s ease;}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-cat{background:rgba(91,75,255,.1);color:var(--violet);}
.badge-data{background:var(--grad);color:#fff;}
.badge-data-line{background:transparent;border:1px solid var(--brand);color:var(--brand-dark);}
.badge-promo{background:var(--orange);color:#fff;}
.badge-state{background:#F0F1F6;color:var(--muted);}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-nav);
}
.nav-inner{
  display:flex;align-items:center;gap:22px;
  height:var(--nav-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:13px;height:13px;
  transform:translate(-50%,-50%);border:2.5px solid #fff;border-radius:50% 50% 50% 2px;
}
.brand-text{
  font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.3px;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  border-radius:10px;font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand-dark);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-dark);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  transition:border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:var(--focus-ring);}
.nav-search svg{flex:0 0 auto;opacity:.55;}
.nav-search input{
  border:0;background:transparent;outline:none;width:170px;font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,22,43,.42);opacity:0;visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;z-index:80;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  box-shadow:-12px 0 40px rgba(23,22,43,.14);
}
.mobile-drawer.is-open{transform:none;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  height:60px;padding:0 20px;border-bottom:1px solid var(--line);
}
.drawer-close{width:44px;height:44px;border-radius:12px;font-size:22px;color:var(--muted);line-height:1;}
.drawer-body{padding:14px 20px;overflow-y:auto;flex:1 1 auto;}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:12px;
  font-size:16px;font-weight:600;color:var(--ink);
}
.drawer-link:hover{background:var(--bg-alt);color:var(--brand-dark);}
.drawer-link.is-active{background:rgba(15,185,140,.1);color:var(--brand-dark);}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;margin-bottom:12px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ===== Hero（分类页） ===== */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#F0F4FF 0%,#F7FBFF 52%,#EFFAF6 100%);
  border-bottom:1px solid var(--line);
  min-height:240px;
  display:flex;align-items:center;
  padding:46px 0;
}
.cat-hero::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);opacity:.14;filter:blur(4px);
}
.cat-hero::after{
  content:"";position:absolute;left:-80px;bottom:-160px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,75,255,.22),rgba(91,75,255,0) 70%);
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-dark);}
.breadcrumb i{font-style:normal;color:#C4C6D6;}
.cat-hero h1{max-width:16em;}
.cat-hero .cat-desc{margin-top:16px;max-width:44em;font-size:16.5px;line-height:1.85;color:var(--text);}
.cat-hero .badge-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}

/* ===== 板块 ===== */
.section{padding:96px 0;}
.section-alt{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg-alt) 100%);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{margin-bottom:12px;}
.section-head p{font-size:16px;line-height:1.85;color:var(--text);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ===== 数据徽章条 ===== */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:26px 28px;
}
.metric{position:relative;padding-left:16px;}
.metric::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--grad);
}
.metric b{display:block;font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.2px;}
.metric span{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.7;}

/* ===== 图文交替 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:80px;}
.split-media{position:relative;}
.split-media img{
  width:100%;aspect-ratio:4/3;border-radius:20px;
  box-shadow:0 16px 40px rgba(23,22,43,.12);
}
.split-media .float-card{
  position:absolute;left:-18px;bottom:22px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:0 12px 30px rgba(23,22,43,.12);
  padding:14px 18px;min-width:190px;
}
.split-media .float-card b{display:block;font-size:15px;color:var(--ink);}
.split-media .float-card span{font-size:13px;color:var(--muted);}
.split-body h2{margin-bottom:14px;}
.split-body p{margin-bottom:16px;}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:12px;font-size:15.5px;line-height:1.8;color:var(--text);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
  background:rgba(15,185,140,.14);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;
  border-left:2px solid var(--brand-dark);border-bottom:2px solid var(--brand-dark);
  transform:rotate(-45deg);
}
.num-list{counter-reset:n;display:grid;gap:14px;margin-top:6px;}
.num-list li{
  position:relative;padding:16px 18px 16px 58px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-card);font-size:15px;line-height:1.8;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease,border-color .28s ease;
}
.num-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,185,140,.3);}
.num-list li::before{
  counter-increment:n;content:counter(n,decimal-leading-zero);
  position:absolute;left:18px;top:16px;font-size:14px;font-weight:800;color:var(--violet);
  font-variant-numeric:tabular-nums;
}
.num-list li b{color:var(--ink);font-weight:700;}

/* ===== 要点卡 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:26px;
  transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,185,140,.3);}
.card .ico{
  width:44px;height:44px;border-radius:13px;background:rgba(91,75,255,.1);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-weight:800;color:var(--violet);font-size:16px;
}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{font-size:15px;line-height:1.8;color:var(--text);}
.card ul{margin-top:14px;display:grid;gap:8px;}
.card ul li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text);line-height:1.75;}
.card ul li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}

/* ===== 表格 ===== */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  box-shadow:var(--shadow-card);
}
table{width:100%;border-collapse:collapse;min-width:640px;}
th,td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);}
th{background:var(--bg-alt);color:var(--ink);font-weight:700;font-size:14.5px;}
tbody tr:nth-child(even){background:#FAFBFE;}
tbody tr:last-child td{border-bottom:0;}

/* ===== FAQ ===== */
.faq-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:last-child{border-bottom:0;}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  transform:scaleY(0);transform-origin:top;transition:transform .26s ease;
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  line-height:1.6;transition:color .2s ease,background-color .2s ease;
}
.faq-q:hover{color:var(--brand-dark);background:#FBFDFF;}
.faq-q .arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted);
  transition:transform .28s ease,color .2s ease,border-color .2s ease;
}
.faq-item.is-open .faq-q{color:var(--brand-dark);}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);color:var(--brand-dark);border-color:rgba(15,185,140,.45);}
.faq-a{display:none;padding:0 26px 24px 26px;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--text);}
.faq-item.is-open .faq-a{display:block;}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;background:var(--grad);color:#fff;
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 48px rgba(91,75,255,.22);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.9);max-width:52em;line-height:1.8;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ===== 表单（页面下方问题提交） ===== */
.form-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-input);background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:var(--focus-ring);}
.field .hint{font-size:13px;color:var(--muted);margin-top:6px;}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text);line-height:1.7;}
.checkbox input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;}
.form-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:32px;
}
.trust-list{display:grid;gap:18px;margin-top:26px;}
.trust-item{display:flex;gap:14px;align-items:flex-start;}
.trust-item .ico{
  width:40px;height:40px;border-radius:12px;background:rgba(15,185,140,.12);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;flex:0 0 auto;
}
.trust-item b{display:block;color:var(--ink);font-size:15.5px;}
.trust-item span{font-size:14.5px;color:var(--text);line-height:1.75;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#B9B9CC;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand-text{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9A9AB2;margin-top:16px;max-width:30em;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14.5px;color:#B9B9CC;}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:grid;gap:11px;font-size:14.5px;color:#B9B9CC;}
.footer-contact b{color:#fff;font-weight:600;margin-right:6px;}
.qr-box{
  display:inline-flex;align-items:center;gap:12px;margin-top:18px;padding:10px 14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;
}
.qr-box i{
  width:44px;height:44px;border-radius:10px;background:var(--grad);color:#fff;font-style:normal;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.qr-box span{font-size:13.5px;color:#B9B9CC;}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#8A8AA3;
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .nav-search input{width:130px;}
  .section{padding:80px 0;}
  .split{gap:40px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-side .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{gap:12px;justify-content:space-between;}
  .section{padding:72px 0;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .split + .split{margin-top:64px;}
  .split.reverse .split-media{order:-1;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 32px;}
  .form-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  :root{--nav-h:60px;}
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:24px;}
  .cat-hero{min-height:220px;padding:36px 0;}
  .metrics{grid-template-columns:1fr;padding:22px;}
  .card-grid{grid-template-columns:1fr;}
  .split-media .float-card{left:12px;bottom:12px;padding:12px 14px;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a{padding:0 18px 20px 18px;}
  .form-card{padding:22px;}
  .cta-band{padding:30px 22px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:479px){
  .brand-text{font-size:16px;}
  .btn{height:44px;padding:0 18px;font-size:14.5px;}
  .cat-hero h1{font-size:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* roulang page: category2 */
:root{
  --brand:#0FB98C;
  --brand-dark:#0A8F6B;
  --violet:#5B4BFF;
  --orange:#FF7A3D;
  --ink:#17162B;
  --text:#4A4A63;
  --muted:#8A8AA3;
  --line:#E9EAF2;
  --card:#FFFFFF;
  --bg:#F5F7FA;
  --bg-alt:#F0F4FF;
  --grad:linear-gradient(120deg,#0FB98C 0%,#3FA9F5 45%,#5B4BFF 100%);
  --grad-soft:linear-gradient(120deg,rgba(15,185,140,.12) 0%,rgba(63,169,245,.10) 45%,rgba(91,75,255,.12) 100%);
  --r-card:18px;
  --r-btn:12px;
  --r-badge:8px;
  --r-img:14px;
  --r-input:12px;
  --sh-card:0 6px 24px rgba(23,22,43,.06);
  --sh-hover:0 14px 36px rgba(15,185,140,.16);
  --sh-nav:0 2px 16px rgba(23,22,43,.06);
  --focus:0 0 0 3px rgba(91,75,255,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover;}
a{color:var(--brand-dark);text-decoration:none;transition:color .22s var(--ease);}
a:hover,a:focus{color:var(--violet);}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.4px;line-height:1.32;}
h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.28;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
h3{font-size:clamp(19px,1.8vw,22px);font-weight:700;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:10px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.container-wide{max-width:1280px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-nav);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:800;
  font-size:17.5px;
  letter-spacing:-.3px;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  border-radius:10px;
  background:var(--grad);
  position:relative;
  box-shadow:0 6px 16px rgba(15,185,140,.28);
}
.brand-mark::before,
.brand-mark::after{
  content:"";position:absolute;background:#fff;border-radius:3px;
}
.brand-mark::before{width:13px;height:3px;top:11px;left:9.5px;box-shadow:0 7px 0 #fff;}
.brand-mark::after{width:3px;height:13px;top:9.5px;left:16.5px;background:rgba(255,255,255,.75);}
.brand-text{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:10px;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--brand-dark);background:rgba(15,185,140,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-dark);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
}
.search-box i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--muted);
  pointer-events:none;
}
.search-box input{
  width:216px;
  height:42px;
  padding:0 16px 0 36px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#F8FAFC;
  font-size:14px;
  color:var(--ink);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,185,140,.18);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 8px 20px rgba(15,185,140,.26);
}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,185,140,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,185,140,.24);}
.btn-outline{
  background:#fff;
  color:var(--brand-dark);
  border-color:rgba(15,185,140,.55);
}
.btn-outline:hover{background:rgba(15,185,140,.08);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost{
  background:rgba(23,22,43,.04);
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{background:rgba(91,75,255,.08);color:var(--violet);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-dark);font-weight:600;font-size:15px;
}
.btn-text i{transition:transform .24s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  align-items:center;justify-content:center;
  gap:4px;flex-direction:column;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:290px;
  height:100%;
  background:#fff;
  border-left:1px solid var(--line);
  box-shadow:-18px 0 40px rgba(23,22,43,.12);
  padding:76px 22px 110px;
  transform:translateX(104%);
  transition:transform .3s var(--ease);
  z-index:80;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;
  height:48px;
  padding:0 12px;
  border-radius:12px;
  color:var(--text);
  font-weight:600;
  font-size:15.5px;
}
.nav-drawer a.drawer-link.is-active{color:var(--brand-dark);background:rgba(15,185,140,.09);}
.nav-drawer a.drawer-link:hover{background:var(--bg-alt);color:var(--violet);}
.drawer-foot{
  position:fixed;
  bottom:0;right:0;
  width:290px;
  padding:16px 22px 22px;
  background:#fff;
  border-top:1px solid var(--line);
  transform:translateX(104%);
  transition:transform .3s var(--ease);
  z-index:81;
}
.drawer-foot.is-open{transform:translateX(0);}
.scrim{
  position:fixed;inset:0;
  background:rgba(23,22,43,.42);
  opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);
  z-index:70;
}
.scrim.is-open{opacity:1;pointer-events:auto;}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;
  padding:52px 0 56px;
  background:var(--bg-alt);
  background-image:var(--grad-soft),url("/assets/images/backpic/back-1.webp");
  background-size:cover,cover;
  background-position:center,center right;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-cat::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.82) 48%,rgba(255,255,255,.55) 100%);
}
.hero-inner{position:relative;z-index:2;min-height:220px;display:flex;flex-direction:column;justify-content:center;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  margin-bottom:16px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-dark);}
.breadcrumb i{font-size:10px;color:#B9BAD0;}
.hero-cat h1{max-width:820px;margin-bottom:14px;}
.hero-cat h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-desc{font-size:16.5px;color:var(--text);max-width:680px;margin:0 0 22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;
  border-radius:var(--r-badge);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-purple{background:rgba(91,75,255,.12);color:#4A3BE0;}
.badge-grad{background:var(--grad);color:#fff;border-radius:var(--r-badge);}
.badge-outline{background:#fff;border:1px solid rgba(15,185,140,.45);color:var(--brand-dark);}
.badge-orange{background:var(--orange);color:#fff;}
.badge-grey{background:#EFF0F6;color:#5B5B75;}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:linear-gradient(180deg,#FFFFFF 0%,#F0F4FF 100%);}
.section-head{max-width:760px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;
  color:var(--brand-dark);
  letter-spacing:.04em;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:4px;height:16px;border-radius:3px;background:var(--grad);
}
.section-head p{margin:12px 0 0;font-size:16px;color:var(--text);}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:26px 24px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(15,185,140,.3);
}
.card h3{margin-bottom:10px;}
.card p:last-child{margin-bottom:0;}
.card-icon{
  width:46px;height:46px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(91,75,255,.10);
  color:var(--violet);
  font-size:18px;
  margin-bottom:16px;
}
.card-icon.icon-green{background:rgba(15,185,140,.12);color:var(--brand-dark);}
.card-icon.icon-orange{background:rgba(255,122,61,.14);color:#E85F22;}
.card-list{margin-top:14px;display:grid;gap:10px;}
.card-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--text);
}
.card-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}

/* ---------- stats ---------- */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.stat{
  background:#fff;
  padding:24px 20px;
  text-align:center;
}
.stat-num{
  font-size:clamp(22px,2.4vw,28px);
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.5px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:27px;top:14px;bottom:14px;
  width:2px;
  background:linear-gradient(180deg,rgba(15,185,140,.55),rgba(91,75,255,.35),rgba(15,185,140,.12));
  border-radius:2px;
}
.timeline-item{
  position:relative;
  padding-left:74px;
  padding-bottom:26px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-node{
  position:absolute;
  left:8px;top:6px;
  width:40px;height:40px;
  border-radius:50%;
  background:#fff;
  border:2px solid rgba(15,185,140,.45);
  color:var(--brand-dark);
  font-weight:800;
  font-size:14px;
  display:flex;align-items:center;justify-content:center;
  z-index:2;
  font-variant-numeric:tabular-nums;
  box-shadow:0 4px 14px rgba(15,185,140,.16);
}
.timeline-item:hover .timeline-node{
  background:var(--grad);
  color:#fff;
  border-color:transparent;
}
.timeline-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:22px 24px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.timeline-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(15,185,140,.3);
}
.timeline-card h3{margin-bottom:8px;font-size:20px;}
.timeline-card p{margin-bottom:12px;font-size:15.5px;}
.timeline-card p:last-child{margin-bottom:0;}
.timeline-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}

/* ---------- figure block ---------- */
.figure-block{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
}
.figure-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 14px 36px rgba(23,22,43,.10);
}
.figure-media img{width:100%;aspect-ratio:16/10;border-radius:20px;}
.figure-float{
  position:absolute;
  left:18px;bottom:18px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px 16px;
  box-shadow:0 10px 26px rgba(23,22,43,.12);
  font-size:13px;
  color:var(--text);
}
.figure-float b{display:block;font-size:17px;color:var(--ink);font-variant-numeric:tabular-nums;}
.figure-copy h2{margin-bottom:14px;}
.figure-copy p{margin-bottom:16px;}

/* ---------- risk list ---------- */
.risk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.risk-item{
  display:flex;gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.risk-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,185,140,.3);}
.risk-item i{
  flex:0 0 38px;
  width:38px;height:38px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,122,61,.13);
  color:#E85F22;
  font-size:15px;
}
.risk-item h4{margin-bottom:6px;color:var(--ink);}
.risk-item p{margin:0;font-size:14.5px;}

/* ---------- faq ---------- */
.faq-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);position:relative;}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(15,185,140,.05);color:var(--brand-dark);}
.faq-item summary i{
  flex:0 0 auto;
  font-size:13px;
  color:var(--muted);
  transition:transform .28s var(--ease),color .28s var(--ease);
}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--brand-dark);}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--grad);border-radius:3px;
}
.faq-answer{padding:0 24px 24px;font-size:15px;line-height:1.8;color:var(--text);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;
  border-radius:24px;
  padding:54px 48px;
  color:#fff;
  background:var(--grad);
  overflow:hidden;
  box-shadow:0 18px 44px rgba(91,75,255,.22);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.92);max-width:620px;margin:0 0 26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}
.cta-band .btn-outline{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-outline:hover{background:#fff;color:var(--violet);}
.cta-band .btn-primary{background:#fff;color:var(--violet);box-shadow:0 10px 24px rgba(0,0,0,.16);}
.cta-band .btn-primary:hover{color:var(--violet);}

/* ---------- footer ---------- */
.site-footer{
  background:#17162B;
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.site-footer .brand{color:#fff;margin-bottom:16px;}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin:0;max-width:320px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.66);font-size:14.5px;transition:color .22s var(--ease);}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.62);}
.footer-contact b{color:rgba(255,255,255,.9);font-weight:600;margin-right:8px;}
.qr-box{
  display:inline-flex;align-items:center;gap:12px;
  margin-top:8px;
  padding:10px 14px;
  border:1px dashed rgba(255,255,255,.28);
  border-radius:14px;
}
.qr-box i{
  width:40px;height:40px;
  border-radius:10px;
  background:var(--grad);
  color:#fff;font-style:normal;font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.qr-box span{font-size:13px;color:rgba(255,255,255,.66);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .nav-link{padding:0 11px;font-size:14.5px;}
  .search-box input{width:180px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .figure-block{grid-template-columns:1fr;gap:26px;}
  .nav-links,.header-tools .search-box,.header-tools .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:24px;}
  .hero-cat{padding:36px 0 40px;}
  .hero-inner{min-height:auto;}
  .grid-2,.grid-3,.grid-4,.risk-grid{grid-template-columns:minmax(0,1fr);}
  .stats-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline-item{padding-left:58px;padding-bottom:20px;}
  .timeline::before{left:20px;}
  .timeline-node{left:2px;width:36px;height:36px;font-size:13px;}
  .timeline-card{padding:18px;}
  .cta-band{padding:36px 24px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:48px;}
  .header-inner{height:60px;}
  .brand{font-size:16px;}
  .header-tools .btn-primary{height:42px;padding:0 16px;font-size:14px;}
}
@media (max-width:479px){
  h1{font-size:26px;}
  .hero-desc{font-size:15.5px;}
  .stats-strip{grid-template-columns:1fr;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .nav-drawer,.drawer-foot{width:82%;}
  .drawer-foot{width:82%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --brand:#0FB98C;
  --brand-deep:#0A8F6B;
  --violet:#5B4BFF;
  --orange:#FF7A3D;
  --title:#17162B;
  --text:#4A4A63;
  --muted:#8A8AA3;
  --line:#E9EAF2;
  --card:#FFFFFF;
  --bg:#F5F7FA;
  --bg-alt:#F0F4FF;
  --grad:linear-gradient(120deg,#0FB98C 0%,#3FA9F5 45%,#5B4BFF 100%);
  --grad-soft:linear-gradient(120deg,rgba(15,185,140,.12) 0%,rgba(63,169,245,.10) 45%,rgba(91,75,255,.12) 100%);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-badge:8px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-card:0 6px 24px rgba(23,22,43,.06);
  --shadow-hover:0 14px 36px rgba(15,185,140,.16);
  --shadow-nav:0 2px 16px rgba(23,22,43,.06);
  --focus:0 0 0 3px rgba(91,75,255,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4{color:var(--title);margin:0;letter-spacing:-.4px;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.container-wide{max-width:1280px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-nav);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background-image:var(--grad);
  position:relative;display:inline-block;box-shadow:0 6px 16px rgba(91,75,255,.28);
}
.brand-mark::before{
  content:"";position:absolute;width:12px;height:7px;
  border-left:2.5px solid #fff;border-bottom:2.5px solid #fff;
  transform:rotate(-45deg);top:9px;left:10px;
}
.brand-text{font-size:19px;font-weight:800;color:var(--title);letter-spacing:-.6px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:0 14px;height:72px;font-size:15px;font-weight:600;color:var(--text);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;border-radius:2px;
  background-image:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--brand-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-deep);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;min-width:210px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.search-box:focus-within{border-color:var(--brand);background:#fff;box-shadow:var(--focus);}
.search-box svg{flex:0 0 auto;width:16px;height:16px;stroke:var(--muted);}
.search-box input{
  border:0;background:transparent;outline:none;font-size:14px;color:var(--title);width:100%;
  font-family:inherit;
}
.search-box input::placeholder{color:var(--muted);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(15,185,140,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,185,140,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,185,140,.24);}
.btn-outline{background:#fff;border-color:rgba(15,185,140,.55);color:var(--brand-deep);}
.btn-outline:hover{background:#EAFBF5;color:var(--brand-deep);border-color:var(--brand);}
.btn-ghost{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.28);color:#fff;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-deep);}
.btn-text svg{transition:transform .22s var(--ease);}
.btn-text:hover svg{transform:translateX(4px);}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--title);border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--title);border-radius:2px;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,360px);background:#fff;z-index:60;
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:20px;
  box-shadow:-12px 0 40px rgba(23,22,43,.12);
}
.drawer.is-open{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;color:var(--title);cursor:pointer;line-height:1;
}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  height:48px;display:flex;align-items:center;font-size:16px;font-weight:600;color:var(--title);
  border-bottom:1px solid var(--line);
}
.drawer-links a.is-active{color:var(--brand-deep);}
.drawer-cta{margin-top:auto;padding-top:20px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,22,43,.45);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:linear-gradient(180deg,#F0F4FF 0%,#F7F9FF 100%);}
.section-white{background:#fff;}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;}
.sec-desc{margin-top:14px;font-size:16px;color:var(--text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--violet);letter-spacing:.4px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background-image:var(--grad);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-badge);
  font-size:12.5px;font-weight:700;line-height:1;white-space:nowrap;
}
.badge-purple{background:rgba(91,75,255,.12);color:var(--violet);}
.badge-orange{background:var(--orange);color:#fff;}
.badge-gray{background:#F1F2F7;color:var(--muted);}
.badge-grad{background-image:var(--grad);color:#fff;}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;
  background:linear-gradient(180deg,#EFF7FF 0%,#F7F9FF 60%,#F5F7FA 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background-image:var(--grad);opacity:.10;filter:blur(10px);
}
.page-hero-inner{position:relative;padding:44px 0 64px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#C4C6D6;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-copy h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.28;}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text);max-width:600px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.stat-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--title);
  box-shadow:0 4px 14px rgba(23,22,43,.04);
}
.stat-chip b{color:var(--brand-deep);font-variant-numeric:tabular-nums;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;
  box-shadow:0 20px 50px rgba(23,22,43,.14);
}
.hero-float{
  position:absolute;left:-18px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:14px 18px;box-shadow:0 14px 32px rgba(23,22,43,.12);
  display:flex;align-items:center;gap:12px;min-width:200px;
}
.hero-float i{
  width:38px;height:38px;border-radius:12px;background-image:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-weight:800;font-size:15px;
}
.hero-float span{font-size:12.5px;color:var(--muted);display:block;}
.hero-float b{font-size:15px;color:var(--title);display:block;line-height:1.4;}

/* ---------- 双列要点卡 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,185,140,.3);}
.point-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;}
.point-icon{
  width:44px;height:44px;flex:0 0 auto;border-radius:14px;display:inline-flex;
  align-items:center;justify-content:center;background:rgba(91,75,255,.12);color:var(--violet);
}
.point-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.point-card:nth-child(2n) .point-icon{background:rgba(15,185,140,.14);color:var(--brand-deep);}
.point-card h3{font-size:20px;font-weight:700;}
.point-card p{font-size:15.5px;}
.point-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* ---------- 对比表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:8px;overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px;}
table{width:100%;min-width:720px;border-collapse:collapse;font-size:15px;}
thead th{
  background:#F0F4FF;color:var(--title);font-weight:700;text-align:left;padding:16px 18px;
  font-size:14.5px;white-space:nowrap;
}
tbody td{padding:16px 18px;border-top:1px solid var(--line);color:var(--text);vertical-align:top;}
tbody tr:nth-child(even){background:#FAFBFE;}
tbody td:first-child{font-weight:700;color:var(--title);}
.table-hint{
  display:none;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:var(--muted);
}
.table-hint::before{content:"";width:26px;height:2px;border-radius:2px;background-image:var(--grad);}

/* ---------- 自查清单 ---------- */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:36px;
}
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 32px;}
.check-item{display:flex;gap:14px;align-items:flex-start;}
.check-num{
  flex:0 0 auto;width:36px;height:36px;border-radius:12px;background-image:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;box-shadow:0 6px 16px rgba(15,185,140,.24);
}
.check-item h4{font-size:17px;font-weight:600;margin-bottom:4px;}
.check-item p{font-size:14.5px;color:var(--text);}
.tip-bar{
  margin-top:26px;display:flex;gap:14px;align-items:flex-start;
  background:var(--grad-soft);border:1px dashed rgba(91,75,255,.35);border-radius:14px;padding:18px 20px;
}
.tip-bar b{color:var(--violet);font-size:14px;}
.tip-bar p{font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:8px 28px;
}
.faq-item{
  border-bottom:1px solid var(--line);border-left:3px solid transparent;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.faq-item:last-child{border-bottom:0;}
.faq-item[open]{border-left-color:var(--brand);background:linear-gradient(90deg,rgba(15,185,140,.07),rgba(255,255,255,0) 62%);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 6px;font-size:17px;font-weight:600;color:var(--title);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;background:#F1F2F7;color:var(--title);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease);
}
.faq-icon svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.faq-item[open] .faq-icon{transform:rotate(180deg);background-image:var(--grad);color:#fff;}
.faq-answer{padding:0 6px 24px;font-size:15px;line-height:1.8;color:var(--text);max-width:920px;}

/* ---------- 继续查看 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,185,140,.3);}
.card-media{overflow:hidden;position:relative;background:var(--grad-soft);}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;left:14px;top:14px;}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;font-weight:700;}
.card-body p{font-size:14.5px;color:var(--text);}
.card-body .btn-text{margin-top:auto;font-size:14.5px;}

/* ---------- CTA 条 ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:20px;padding:48px 44px;
  background-image:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:0 20px 48px rgba(91,75,255,.24);
}
.cta-banner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.cta-copy p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.92);}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#17162B;color:#B9B9CC;margin-top:0;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14.5px;color:#9C9CB4;max-width:340px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:#B9B9CC;font-size:14.5px;}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{font-size:14.5px;margin-bottom:12px;color:#B9B9CC;}
.footer-contact b{color:#fff;font-weight:600;margin-right:6px;}
.qr-box{
  margin-top:18px;display:inline-flex;align-items:center;gap:12px;padding:12px 16px;
  border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(255,255,255,.04);
}
.qr-box i{
  width:38px;height:38px;border-radius:10px;background-image:var(--grad);color:#fff;font-style:normal;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.qr-box span{font-size:13.5px;color:#B9B9CC;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#8A8AA3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .header-inner{gap:18px;}
  .nav-link{padding:0 10px;}
  .nav-link::after{left:10px;right:10px;}
  .search-box{min-width:170px;}
  .hero-grid{gap:40px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .container{padding:0 24px;}
  .nav-links,.search-box{display:none;}
  .hamburger{display:inline-flex;}
  .header-inner{height:64px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media img{aspect-ratio:16/9;}
  .hero-float{left:12px;bottom:-16px;}
  .point-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .check-list{grid-template-columns:1fr;}
  .table-hint{display:flex;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .container{padding:0 20px;}
  .page-hero-inner{padding:30px 0 46px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .card-grid{grid-template-columns:1fr;}
  .check-panel{padding:24px;}
  .faq-card{padding:6px 18px;}
  .faq-item summary{font-size:16px;padding:18px 4px;}
  .cta-banner{padding:34px 24px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:52px;}
}
@media (max-width:479px){
  .brand-text{font-size:17px;}
  .header-actions .btn{display:none;}
  .stat-chip{font-size:12.5px;height:30px;padding:0 12px;}
  .point-card{padding:22px;}
  .hero-float{position:static;margin-top:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}