/* roulang page: index */
:root{
  --c-primary:#F0563F;
  --c-primary-dark:#C93F2B;
  --c-primary-soft:rgba(240,86,63,.10);
  --c-ink:#2A2136;
  --c-ink-soft:#5B5470;
  --c-mint:#14B39A;
  --c-mint-soft:rgba(20,179,154,.12);
  --c-gold:#E8B663;
  --bg-page:#FFF8F4;
  --bg-alt:#F6EFEA;
  --bg-card:#FFFFFF;
  --bg-deep:#241C31;
  --t-1:#221A2E;
  --t-2:#4C4559;
  --t-3:#8B849B;
  --line:rgba(42,33,54,.10);
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(42,33,54,.06);
  --sh-2:0 12px 32px rgba(42,33,54,.10);
  --sh-3:0 20px 48px rgba(240,86,63,.18);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-page);
  color:var(--t-2);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4,h5{color:var(--t-1);font-weight:700;margin:0;line-height:1.35}
p{margin:0 0 var(--sp-2)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.container{max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
.ico{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;display:inline-block;vertical-align:middle}
.ico-sm{width:18px;height:18px}
.sprite{display:none}

/* ===== 顶部品牌行 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,248,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand-bar{padding:12px 0}
.brand-inner{display:flex;align-items:center;gap:var(--sp-3);flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--t-1)}
.brand:hover{color:var(--t-1)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--c-primary),#FF8A6E);
  color:#fff;font-weight:700;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:18px;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:12px;color:var(--t-3);letter-spacing:.3px}
.search-box{
  flex:1 1 auto;max-width:340px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 8px 6px 16px;box-shadow:var(--sh-1);
}
.search-box input{border:0;outline:none;background:transparent;flex:1;font-size:14px;color:var(--t-1);min-width:0}
.search-box input::placeholder{color:var(--t-3)}
.search-box button{
  border:0;width:32px;height:32px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.22s;
}
.search-box button:hover{background:var(--c-primary);color:#fff}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--t-1);align-items:center;justify-content:center;cursor:pointer;
}

/* ===== 图标导航条 ===== */
.icon-nav{border-top:1px solid var(--line);background:#fff}
.icon-nav-list{display:flex;align-items:stretch;gap:6px;overflow-x:auto;scrollbar-width:none;padding:6px 0}
.icon-nav-list::-webkit-scrollbar{display:none}
.icon-nav-link{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:8px 14px;min-width:86px;border-radius:14px;color:var(--c-ink-soft);
  font-size:13px;white-space:nowrap;transition:.22s;border:1px solid transparent;
}
.icon-nav-link .ico{width:22px;height:22px;color:var(--c-ink-soft);transition:.22s}
.icon-nav-link:hover,.icon-nav-link:focus-visible{background:var(--bg-alt);color:var(--c-primary);border-color:var(--line)}
.icon-nav-link:hover .ico{color:var(--c-primary)}
.icon-nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:rgba(240,86,63,.22)}
.icon-nav-link.is-active .ico{color:var(--c-primary)}

/* ===== 移动抽屉 ===== */
.nav-drawer{
  position:fixed;inset:0;z-index:1080;background:rgba(36,28,49,.55);
  opacity:0;visibility:hidden;transition:.25s;
}
.nav-drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  background:var(--bg-page);width:min(480px,92vw);height:100%;margin-left:auto;
  padding:20px;overflow-y:auto;transform:translateX(24px);transition:.25s;
}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-weight:700;color:var(--t-1);font-size:17px}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--t-2);cursor:pointer}
.drawer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.drawer-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 6px;
  display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  font-size:12px;color:var(--c-ink-soft);transition:.22s;
}
.drawer-item .ico{width:22px;height:22px;color:var(--c-primary)}
.drawer-item:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.drawer-download{margin-top:18px;display:grid;gap:10px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;transition:.25s ease;text-align:center;line-height:1.4;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(240,86,63,.22)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-plain{background:#fff;color:var(--c-ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-plain:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.btn-on-dark{background:#fff;color:var(--c-ink)}
.btn-on-dark:hover{background:var(--c-gold);color:#241C31;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-lg{padding:14px 32px;font-size:16px}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-block{width:100%}

/* ===== 通用区块 ===== */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-deep{background:var(--bg-deep);color:rgba(255,255,255,.78)}
.section-deep h2,.section-deep h3{color:#fff}
.section-head{max-width:760px;margin-bottom:var(--sp-5)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;letter-spacing:.6px;
  color:var(--c-primary);background:var(--c-primary-soft);padding:5px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-deep .eyebrow{background:rgba(232,182,99,.16);color:var(--c-gold)}
.section-title{font-size:30px;line-height:1.35;margin-bottom:12px}
.section-title .hl{color:var(--c-primary)}
.section-sub{font-size:15px;color:var(--t-2);line-height:1.85;margin:0}
.section-deep .section-sub{color:rgba(255,255,255,.72)}

/* ===== Hero ===== */
.hero{position:relative;background:var(--bg-deep) url('/assets/images/86403e707e664484.webp') center/cover no-repeat;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(36,28,49,.97) 0%,rgba(36,28,49,.9) 48%,rgba(36,28,49,.62) 100%)}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,182,99,.20),rgba(232,182,99,0) 70%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:76px 0 80px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(232,182,99,.14);border:1px solid rgba(232,182,99,.4);color:var(--c-gold);
  font-size:13px;font-weight:600;letter-spacing:.6px;margin-bottom:20px;
}
.hero h1{color:#fff;font-size:44px;line-height:1.25;letter-spacing:-.4px;margin-bottom:18px}
.hero h1 .hl{color:var(--c-gold)}
.hero-lead{color:rgba(255,255,255,.8);font-size:16px;line-height:1.9;max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:rgba(255,255,255,.82);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:6px 14px;border-radius:var(--r-pill);
}
.hero-tags .ico{width:15px;height:15px;color:var(--c-mint)}
.hero-tier{display:grid;gap:14px}
.tier-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(232,182,99,.28);border-radius:var(--r-card);
  padding:18px 20px;display:flex;align-items:center;gap:14px;transition:.28s;backdrop-filter:blur(4px);
}
.tier-card:hover{transform:translateY(-4px);border-color:rgba(232,182,99,.6);background:rgba(255,255,255,.11)}
.tier-card.is-top{border-color:rgba(232,182,99,.7);box-shadow:0 16px 38px rgba(0,0,0,.3)}
.tier-medal{
  width:48px;height:48px;flex:0 0 48px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(232,182,99,.16);color:var(--c-gold);border:1px solid rgba(232,182,99,.45);
}
.tier-name{font-size:16px;font-weight:700;color:#fff;margin-bottom:2px}
.tier-desc{font-size:13px;color:rgba(255,255,255,.62);line-height:1.6}
.tier-tag{margin-left:auto;font-size:12px;color:#241C31;background:var(--c-gold);padding:3px 10px;border-radius:var(--r-pill);white-space:nowrap}

/* ===== 下载区 ===== */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dl-card{
  background:var(--bg-card);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);
  border:1px solid var(--line);transition:.28s;display:flex;flex-direction:column;gap:12px;
}
.dl-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(240,86,63,.24)}
.dl-top{display:flex;align-items:center;gap:12px}
.dl-icon{width:48px;height:48px;border-radius:16px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center}
.dl-title{font-size:18px;font-weight:700;color:var(--t-1)}
.dl-note{font-size:13px;color:var(--t-3)}
.dl-card p{font-size:14px;color:var(--t-2);line-height:1.8;margin:0}
.dl-file{font-size:12px;color:var(--t-3);background:var(--bg-alt);border-radius:var(--r-sm);padding:8px 12px;font-family:"DIN Alternate",system-ui,monospace}
.dl-card .btn{margin-top:auto}

/* ===== 图标入口网格 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.entry-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 18px;
  display:flex;flex-direction:column;gap:10px;transition:.26s;color:var(--t-2);box-shadow:var(--sh-1);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,86,63,.28);color:var(--t-2)}
.entry-icon{width:46px;height:46px;border-radius:14px;background:var(--bg-alt);color:var(--c-primary);display:flex;align-items:center;justify-content:center;transition:.26s}
.entry-card:hover .entry-icon{background:var(--c-primary);color:#fff}
.entry-name{font-size:16px;font-weight:700;color:var(--t-1)}
.entry-desc{font-size:13px;color:var(--t-3);line-height:1.7;margin:0}

/* ===== 功能矩阵 ===== */
.feat-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:var(--sp-5)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat-card{background:#fff;border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);position:relative;transition:.26s;border:1px solid transparent}
.feat-card::before{content:"";position:absolute;left:24px;top:0;width:48px;height:3px;border-radius:0 0 3px 3px;background:var(--c-primary)}
.feat-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(240,86,63,.2)}
.feat-card h3{font-size:18px;margin:16px 0 10px}
.feat-card p{font-size:14px;color:var(--t-2);line-height:1.8;margin:0}
.feat-icon{width:44px;height:44px;border-radius:14px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center}

/* ===== 会员等级 ===== */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tier-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;
  box-shadow:var(--sh-1);transition:.28s;display:flex;flex-direction:column;gap:14px;
}
.tier-box:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tier-box.is-featured{background:var(--bg-deep);border-color:#3a2f4d}
.tier-box.is-featured h3,.tier-box.is-featured .tier-price{color:#fff}
.tier-box.is-featured .tier-row{color:rgba(255,255,255,.78);border-color:rgba(255,255,255,.12)}
.tier-box.is-featured .tier-row .ico{color:var(--c-gold)}
.tier-box.is-featured .tier-level{background:rgba(232,182,99,.16);color:var(--c-gold);border-color:rgba(232,182,99,.4)}
.tier-level{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-primary);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:5px 14px;border:1px solid rgba(240,86,63,.2);align-self:flex-start}
.tier-box h3{font-size:20px}
.tier-price{font-size:13px;color:var(--t-3);margin:0}
.tier-rows{display:grid;gap:0;margin:4px 0}
.tier-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t-2);padding:10px 0;border-bottom:1px dashed var(--line);line-height:1.7}
.tier-row:last-child{border-bottom:0}
.tier-row .ico{color:var(--c-mint);flex:0 0 18px;margin-top:3px}

/* ===== 数据亮点条 ===== */
.stat-band{padding:64px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:36px}
.stat-item{text-align:center}
.stat-num{font-size:40px;font-weight:700;color:var(--c-gold);line-height:1.1;letter-spacing:-1px;font-family:"DIN Alternate",system-ui,sans-serif}
.stat-label{font-size:14px;color:rgba(255,255,255,.68);margin-top:8px}
.stat-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);
  padding:24px 26px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.stat-panel div{font-size:13px;color:rgba(255,255,255,.62)}
.stat-panel strong{display:block;color:#fff;font-size:15px;margin-top:4px;font-weight:600}

/* ===== 分享物料 ===== */
.share-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.share-card{background:#fff;border-radius:var(--r-card);border:1px solid var(--line);padding:24px;display:flex;gap:16px;transition:.26s;box-shadow:var(--sh-1)}
.share-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.share-icon{width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--mint-soft,rgba(20,179,154,.12));color:var(--c-mint);display:flex;align-items:center;justify-content:center}
.share-card h3{font-size:17px;margin-bottom:6px}
.share-card p{font-size:14px;color:var(--t-2);margin:0;line-height:1.8}

/* ===== 步骤 ===== */
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 20px;position:relative;box-shadow:var(--sh-1);transition:.26s}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{
  width:36px;height:36px;border-radius:50%;background:var(--c-primary);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-size:15px;margin-bottom:14px;
}
.step-item h3{font-size:16px;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--t-2);margin:0;line-height:1.75}

/* ===== 场景墙 ===== */
.scene-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  display:grid;grid-template-columns:5fr 7fr;background:#fff;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:.28s;border:1px solid var(--line);text-decoration:none;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,86,63,.2)}
.scene-media{position:relative;overflow:hidden;background:var(--bg-alt);min-height:190px}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.scene-card:hover .scene-media img{transform:scale(1.05)}
.scene-badge{position:absolute;left:12px;top:12px;background:rgba(36,28,49,.82);color:#fff;font-size:12px;padding:3px 10px;border-radius:var(--r-pill)}
.scene-body{padding:24px 22px;display:flex;flex-direction:column;gap:8px;justify-content:center}
.scene-body h3{font-size:18px;color:var(--t-1)}
.scene-body p{font-size:14px;color:var(--t-2);margin:0;line-height:1.8}
.scene-more{font-size:13px;color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:4px}

/* ===== 安全 & 设备 ===== */
.safe-wrap{background:#fff;border-radius:24px;padding:44px;box-shadow:var(--sh-1);display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.safe-list{display:grid;gap:20px}
.safe-item{display:flex;gap:14px;align-items:flex-start}
.safe-check{width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:var(--c-mint-soft);color:var(--c-mint);display:flex;align-items:center;justify-content:center}
.safe-item h3{font-size:16px;margin-bottom:4px}
.safe-item p{font-size:14px;color:var(--t-2);margin:0;line-height:1.75}
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.device-card{background:#fff;border-radius:var(--r-card);border:1px solid var(--line);padding:26px 24px;box-shadow:var(--sh-1);transition:.26s}
.device-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.device-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.device-head h3{font-size:17px}
.device-row{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:10px 0;border-bottom:1px solid var(--line);color:var(--t-2)}
.device-row:last-child{border-bottom:0}
.device-row span:first-child{color:var(--t-3);flex:0 0 auto}
.device-row span:last-child{text-align:right;color:var(--t-1);font-weight:500}

/* ===== 资讯列表 ===== */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:var(--sp-4);flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);border:1px solid var(--line);transition:.28s;display:flex;flex-direction:column;height:100%}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,86,63,.2)}
.post-thumb{aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--c-primary);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:3px 12px}
.post-title{font-size:17px;line-height:1.55;color:var(--t-1);margin:0}
.post-card:hover .post-title{color:var(--c-primary-dark)}
.post-sum{font-size:14px;color:var(--t-3);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--t-3)}
.empty-state{
  border:1.5px dashed rgba(42,33,54,.18);background:#fff;border-radius:16px;padding:44px 20px;text-align:center;color:var(--t-3);font-size:15px;
}
.empty-state .ico{width:32px;height:32px;color:var(--t-3);margin-bottom:10px}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:880px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);border:1px solid var(--line);overflow:hidden;transition:.24s}
.faq-item[open]{box-shadow:var(--sh-2);border-color:rgba(240,86,63,.24)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;gap:14px;
  font-size:17px;font-weight:600;color:var(--t-1);position:relative;transition:.2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c-primary);opacity:0;transition:.22s}
.faq-item[open] summary::before{opacity:1}
.faq-item summary:hover{color:var(--c-primary)}
.faq-plus{margin-left:auto;width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--bg-alt);color:var(--t-2);display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;transition:.24s}
.faq-item[open] .faq-plus{background:var(--c-primary);color:#fff;transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px 24px;font-size:15px;color:var(--t-2);line-height:1.9}

/* ===== 保障条 & CTA ===== */
.guarantee{background:var(--c-primary-soft);border-top:1px solid rgba(240,86,63,.16);border-bottom:1px solid rgba(240,86,63,.16);padding:34px 0}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guarantee-item{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--t-1);font-weight:600}
.guarantee-item .ico{color:var(--c-primary);width:26px;height:26px;flex:0 0 26px}
.cta-panel{
  background:var(--bg-deep);border-radius:24px;padding:48px;color:#fff;display:grid;
  grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;position:relative;overflow:hidden;
}
.cta-panel::after{content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(240,86,63,.28),rgba(240,86,63,0) 70%)}
.cta-panel h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-panel p{color:rgba(255,255,255,.72);font-size:15px;margin:0;line-height:1.85}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.7);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{color:#fff;font-size:17px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-title{font-size:14px;color:rgba(255,255,255,.55);letter-spacing:.6px;margin-bottom:16px;font-weight:600}
.footer-links{display:grid;gap:10px}
.footer-links a{color:rgba(255,255,255,.8);font-size:15px;transition:.2s}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags a{font-size:13px;color:rgba(255,255,255,.62);background:rgba(255,255,255,.07);border-radius:var(--r-pill);padding:5px 12px;transition:.2s}
.footer-tags a:hover{background:rgba(240,86,63,.22);color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;color:rgba(255,255,255,.45);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero h1{font-size:40px}
  .entry-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:991px){
  .brand-text em{display:none}
  .search-box{display:none}
  .nav-toggle{display:flex}
  .icon-nav{display:none}
  .hero-inner{padding:56px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .hero-tier{grid-template-columns:repeat(3,1fr)}
  .tier-card{flex-direction:column;text-align:center;gap:10px;padding:16px 12px}
  .tier-tag{margin-left:0}
  .tier-desc{font-size:12px}
  .dl-grid,.entry-grid,.feat-grid,.tier-grid,.device-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid,.stat-panel{grid-template-columns:repeat(2,1fr)}
  .share-grid,.scene-wall{grid-template-columns:1fr}
  .step-list{grid-template-columns:repeat(2,1fr)}
  .safe-wrap{grid-template-columns:1fr;padding:32px;gap:28px}
  .guarantee-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .feat-head{grid-template-columns:1fr;gap:14px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  body{font-size:15px}
  .hero h1{font-size:28px}
  .hero-lead{font-size:15px}
  .section-title{font-size:24px}
  .hero-tier{grid-template-columns:1fr}
  .tier-card{flex-direction:row;text-align:left}
  .tier-tag{margin-left:auto}
  .dl-grid,.entry-grid,.feat-grid,.tier-grid,.device-grid,.news-grid,.share-grid,.step-list{grid-template-columns:1fr}
  .scene-card{grid-template-columns:1fr}
  .scene-media{min-height:170px}
  .btn-lg{width:100%}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .section{padding:44px 0}
  .stat-num{font-size:32px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-panel{padding:28px 22px}
  .cta-panel h2{font-size:22px}
  .safe-wrap{padding:24px}
  .guarantee-grid{grid-template-columns:1fr 1fr;gap:14px;font-size:14px}
  .guarantee-item{font-size:14px}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-answer{padding:0 18px 18px}
  .container{padding-left:16px;padding-right:16px}
  .post-card{display:grid;grid-template-columns:120px 1fr}
  .post-thumb{aspect-ratio:auto;height:100%}
  .post-body{padding:14px 16px}
  .post-title{font-size:15px}
  .post-sum{display:none}
}
@media (max-width:575px){
  .brand-text strong{font-size:16px}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:17px}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .drawer-grid{grid-template-columns:repeat(4,1fr)}
  .guarantee-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --c-primary:#F0563F;
  --c-primary-dark:#C93F2B;
  --c-primary-soft:rgba(240,86,63,.10);
  --c-ink:#2A2136;
  --c-ink-soft:#5B5470;
  --c-mint:#14B39A;
  --c-mint-soft:rgba(20,179,154,.12);
  --c-gold:#E8B663;
  --bg-page:#FFF8F4;
  --bg-alt:#F6EFEA;
  --bg-card:#FFFFFF;
  --bg-deep:#241C31;
  --t-1:#221A2E;
  --t-2:#4C4559;
  --t-3:#8B849B;
  --line:rgba(42,33,54,.10);
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(42,33,54,.06);
  --sh-2:0 12px 32px rgba(42,33,54,.10);
  --sh-3:0 20px 48px rgba(240,86,63,.18);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-page);
  color:var(--t-2);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t-1);font-weight:700;line-height:1.4}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(240,86,63,.35);border-radius:8px;
}
.container{max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
.ico{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
/* ===== 顶部品牌行 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,248,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand-bar{padding:12px 0}
.brand-inner{display:flex;align-items:center;gap:var(--sp-3);flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--t-1);text-decoration:none}
.brand:hover{color:var(--t-1);text-decoration:none}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--c-primary),#FF8A6E);
  color:#fff;font-weight:700;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:18px;letter-spacing:.2px;white-space:nowrap}
.brand-text em{font-style:normal;font-size:12px;color:var(--t-3);letter-spacing:.3px}
.search-box{
  flex:1 1 auto;max-width:340px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 8px 6px 16px;box-shadow:var(--sh-1);
}
.search-box input{border:0;outline:none;background:transparent;flex:1;font-size:14px;color:var(--t-1);min-width:0;line-height:1.6}
.search-box input::placeholder{color:var(--t-3)}
.search-box button{
  border:0;width:32px;height:32px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.22s;
}
.search-box button:hover{background:var(--c-primary);color:#fff}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--t-1);align-items:center;justify-content:center;cursor:pointer;transition:.22s;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
/* ===== 图标导航条 ===== */
.icon-nav{border-top:1px solid var(--line);background:#fff}
.icon-nav-list{display:flex;align-items:stretch;gap:6px;overflow-x:auto;scrollbar-width:none;padding:6px 0}
.icon-nav-list::-webkit-scrollbar{display:none}
.icon-nav-link{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:8px 14px;min-width:86px;border-radius:14px;color:var(--c-ink-soft);
  font-size:13px;white-space:nowrap;transition:.22s;border:1px solid transparent;text-decoration:none;
}
.icon-nav-link .ico{width:22px;height:22px;color:var(--c-ink-soft);transition:.22s}
.icon-nav-link:hover,.icon-nav-link:focus-visible{background:var(--bg-alt);color:var(--c-primary);border-color:var(--line);text-decoration:none}
.icon-nav-link:hover .ico{color:var(--c-primary)}
.icon-nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:rgba(240,86,63,.22)}
.icon-nav-link.is-active .ico{color:var(--c-primary)}
/* ===== 移动抽屉 ===== */
.nav-drawer{
  position:fixed;inset:0;z-index:1080;background:rgba(36,28,49,.55);
  opacity:0;visibility:hidden;transition:.25s;
}
.nav-drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  background:var(--bg-page);width:min(480px,92vw);height:100%;margin-left:auto;
  padding:20px;overflow-y:auto;transform:translateX(24px);transition:.25s;
}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-weight:700;color:var(--t-1);font-size:17px}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--t-2);cursor:pointer}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary)}
.drawer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.drawer-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 6px;
  display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  font-size:12px;color:var(--c-ink-soft);transition:.22s;text-decoration:none;
}
.drawer-item .ico{width:22px;height:22px;color:var(--c-primary)}
.drawer-item:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);text-decoration:none}
.drawer-download{margin-top:18px;display:grid;gap:10px}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;transition:.25s ease;text-align:center;line-height:1.4;
  text-decoration:none;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(240,86,63,.22)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-plain{background:#fff;color:var(--c-ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-plain:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.btn-dl{padding:9px 18px;font-size:14px}
/* ===== 文章头部 ===== */
.article-head{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:36px 0 32px}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-3);margin:0 0 16px}
.breadcrumb-line li{display:flex;align-items:center;gap:8px;min-width:0;max-width:100%}
.breadcrumb-line li:not(:last-child)::after{content:"/";color:rgba(42,33,54,.25)}
.breadcrumb-line li span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:340px}
.breadcrumb-line li.is-current span{color:var(--t-2)}
.article-title{font-size:34px;line-height:1.42;letter-spacing:.2px;max-width:900px;overflow-wrap:break-word}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:18px;font-size:13.5px;color:var(--t-3)}
.badge-soft{
  display:inline-flex;align-items:center;padding:4px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:13px;font-weight:600;
}
.badge-mint{
  display:inline-flex;align-items:center;gap:6px;padding:4px 14px;border-radius:var(--r-pill);
  background:var(--c-mint-soft);color:#0E8B77;font-size:13px;font-weight:600;
}
/* ===== 正文布局 ===== */
.article-main{padding:44px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.article-col{min-width:0;max-width:800px}
.article-aside{min-width:0;position:sticky;top:140px}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:36px 38px;font-size:16.5px;line-height:1.95;color:var(--t-2);
  overflow-wrap:break-word;
}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:24px;line-height:1.5;margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary)}
.article-body h3{font-size:19px;margin:26px 0 12px;color:var(--t-1)}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--t-1)}
.article-body p{margin:0 0 20px}
.article-body ul{margin:0 0 20px;padding-left:22px;list-style:disc}
.article-body ol{margin:0 0 20px;padding-left:22px;list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body li::marker{color:var(--c-primary)}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body strong{color:var(--t-1)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-primary-soft);
  border-left:4px solid var(--c-primary);border-radius:0 14px 14px 0;color:var(--c-ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:22px auto;box-shadow:var(--sh-1);height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--t-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--bg-alt);color:var(--t-1);font-weight:600}
.article-body code{background:var(--bg-alt);padding:2px 7px;border-radius:6px;font-size:14px;color:var(--c-primary-dark)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.article-body .tip,.article-body .note{
  background:rgba(20,179,154,.08);border-left:4px solid var(--c-mint);
  padding:16px 20px;border-radius:0 12px 12px 0;margin:22px 0;font-size:15px;color:#12655A;
}
/* 空态 */
.empty-state{
  background:#fff;border:1.5px dashed rgba(42,33,54,.18);border-radius:16px;
  padding:48px 24px;text-align:center;
}
.empty-state .empty-title{font-size:20px;font-weight:700;color:var(--t-1);margin-bottom:10px}
.empty-state .empty-desc{font-size:15px;color:var(--t-3);margin-bottom:20px}
/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-block;padding:7px 16px;border-radius:var(--r-pill);background:#fff;
  border:1px solid var(--line);font-size:13.5px;color:var(--c-ink-soft);transition:.22s;text-decoration:none;
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-2px);text-decoration:none}
/* 侧栏 */
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;margin-bottom:18px;
}
.aside-card h3{font-size:16.5px;margin-bottom:12px}
.aside-card p{font-size:14px;color:var(--t-3);line-height:1.8}
.aside-card .btn{width:100%;margin-top:12px}
.aside-list li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--c-ink-soft)}
.aside-list li:last-child{border-bottom:0;padding-bottom:0}
.aside-list .ico{width:18px;height:18px;color:var(--c-mint);margin-top:4px}
.aside-thumb{border-radius:14px;overflow:hidden;margin-bottom:14px}
.aside-thumb img{width:100%;height:auto;border-radius:14px}
/* ===== 板块 ===== */
.section{padding:56px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:28px}
.section-head h2{font-size:26px;line-height:1.4;margin-bottom:10px}
.section-head p{font-size:15px;color:var(--t-3)}
/* 相关阅读 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;height:100%;
  transition:.25s ease;text-decoration:none;color:inherit;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);text-decoration:none}
.rel-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;color:var(--t-1);overflow-wrap:break-word}
.rel-card:hover h3{color:var(--c-primary)}
.rel-card p{font-size:14px;color:var(--t-3);line-height:1.8;margin-bottom:14px}
.rel-time{font-size:12.5px;color:var(--t-3);margin-top:auto}
.rel-empty{
  border:1.5px dashed rgba(42,33,54,.18);border-radius:16px;padding:36px 22px;
  text-align:center;color:var(--t-3);font-size:14.5px;background:#fff;
}
/* 下载区 */
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 24px;text-align:center;display:flex;flex-direction:column;
  transition:.25s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.dl-icon{
  width:46px;height:46px;border-radius:14px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
}
.dl-card h3{font-size:17.5px;margin-bottom:8px}
.dl-card p{font-size:13.5px;color:var(--t-3);line-height:1.8;margin-bottom:18px}
.dl-card .btn{margin-top:auto;width:100%}
.dl-note{margin-top:18px;font-size:13.5px;color:var(--t-3)}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);box-shadow:var(--sh-1);overflow:hidden;transition:.22s}
.faq-item:hover{border-color:rgba(240,86,63,.35)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;color:var(--t-1);
  font-size:16px;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--c-primary);transition:transform .22s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 20px 18px;font-size:15px;color:var(--t-2);line-height:1.85}
/* 尾块 CTA */
.article-foot{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px 26px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;margin:8px 0 0;
}
.article-foot .foot-text strong{display:block;font-size:17px;color:var(--t-1);margin-bottom:4px}
.article-foot .foot-text span{font-size:14px;color:var(--t-3)}
.foot-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ===== 页脚 ===== */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.8);padding:56px 0 26px;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{color:#fff;font-size:17px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-title{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:14px;letter-spacing:.4px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.8);font-size:15px;text-decoration:none;transition:.22s}
.footer-links a:hover{color:#fff;transform:translateX(2px);text-decoration:none}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags a{
  font-size:13px;color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.16);
  padding:5px 12px;border-radius:var(--r-pill);transition:.22s;text-decoration:none;
}
.footer-tags a:hover{color:#fff;border-color:rgba(255,255,255,.5);text-decoration:none}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-col{max-width:none}
  .article-aside{position:static;top:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .article-aside .aside-card{margin-bottom:0}
}
@media (max-width:991px){
  .search-box{display:none}
  .nav-toggle{display:flex}
  .article-title{font-size:30px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .brand-text em{display:none}
  .brand-text strong{font-size:16px}
  .article-head{padding:28px 0 24px}
  .article-title{font-size:26px}
  .article-body{padding:24px 20px;font-size:16px;line-height:1.9}
  .article-body h2{font-size:21px;margin:28px 0 14px}
  .article-body h3{font-size:18px}
  .article-main{padding:32px 0 0}
  .section{padding:40px 0}
  .section-head h2{font-size:22px}
  .download-grid{grid-template-columns:1fr}
  .article-aside{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-dl{width:auto}
  .article-foot{flex-direction:column;align-items:flex-start}
  .foot-actions{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:44px 0 22px;margin-top:44px}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .rel-grid{grid-template-columns:1fr}
  .article-title{font-size:23px}
  .drawer-grid{grid-template-columns:repeat(4,1fr);gap:8px}
  .footer-bottom{font-size:12px}
}

/* roulang page: category1 */
:root{
  --c-primary:#F0563F;
  --c-primary-dark:#C93F2B;
  --c-primary-soft:rgba(240,86,63,.10);
  --c-ink:#2A2136;
  --c-ink-soft:#5B5470;
  --c-mint:#14B39A;
  --c-mint-soft:rgba(20,179,154,.12);
  --c-gold:#E8B663;
  --bg-page:#FFF8F4;
  --bg-alt:#F6EFEA;
  --bg-card:#FFFFFF;
  --bg-deep:#241C31;
  --t-1:#221A2E;
  --t-2:#4C4559;
  --t-3:#8B849B;
  --line:rgba(42,33,54,.10);
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(42,33,54,.06);
  --sh-2:0 12px 32px rgba(42,33,54,.10);
  --sh-3:0 20px 48px rgba(240,86,63,.18);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg-page);
  color:var(--t-2);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--c-primary-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--t-1);font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0}
.container{max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
.ico{width:22px;height:22px;display:inline-block;vertical-align:middle;flex:0 0 auto}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ===== 顶部品牌行 ===== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,248,244,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand-bar{padding:12px 0}
.brand-inner{display:flex;align-items:center;gap:var(--sp-3);flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--t-1)}
.brand:hover{color:var(--t-1)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--c-primary),#FF8A6E);
  color:#fff;font-weight:700;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:18px;letter-spacing:.2px;color:var(--t-1)}
.brand-text em{font-style:normal;font-size:12px;color:var(--t-3);letter-spacing:.3px}
.search-box{
  flex:1 1 auto;max-width:340px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:6px 8px 6px 16px;box-shadow:var(--sh-1);
}
.search-box input{border:0;outline:none;background:transparent;flex:1;font-size:14px;color:var(--t-1);min-width:0}
.search-box input::placeholder{color:var(--t-3)}
.search-box button{
  border:0;width:32px;height:32px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.22s;
}
.search-box button:hover{background:var(--c-primary);color:#fff}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--t-1);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ===== 图标导航条 ===== */
.icon-nav{border-top:1px solid var(--line);background:#fff}
.icon-nav-list{display:flex;align-items:stretch;gap:6px;overflow-x:auto;scrollbar-width:none;padding:6px 0;list-style:none;margin:0}
.icon-nav-list::-webkit-scrollbar{display:none}
.icon-nav-link{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:8px 14px;min-width:86px;border-radius:14px;color:var(--c-ink-soft);
  font-size:13px;white-space:nowrap;transition:.22s;border:1px solid transparent;
}
.icon-nav-link .ico{width:22px;height:22px;color:var(--c-ink-soft);transition:.22s}
.icon-nav-link:hover,.icon-nav-link:focus-visible{background:var(--bg-alt);color:var(--c-primary);border-color:var(--line)}
.icon-nav-link:hover .ico{color:var(--c-primary)}
.icon-nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:rgba(240,86,63,.22)}
.icon-nav-link.is-active .ico{color:var(--c-primary)}

/* ===== 移动抽屉 ===== */
.nav-drawer{position:fixed;inset:0;z-index:1080;background:rgba(36,28,49,.55);opacity:0;visibility:hidden;transition:.25s}
.nav-drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{background:var(--bg-page);width:min(480px,92vw);height:100%;margin-left:auto;padding:20px;overflow-y:auto;transform:translateX(24px);transition:.25s}
.nav-drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-weight:700;color:var(--t-1);font-size:17px}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--t-2);cursor:pointer}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary)}
.drawer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.drawer-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 6px;
  display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  font-size:12px;color:var(--c-ink-soft);transition:.22s;
}
.drawer-item .ico{width:22px;height:22px;color:var(--c-primary)}
.drawer-item:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.drawer-download{margin-top:18px;display:grid;gap:10px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);font-weight:600;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;transition:.25s ease;text-align:center;line-height:1.4;
}
.btn:focus-visible{outline:2px solid rgba(240,86,63,.55);outline-offset:2px}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(240,86,63,.22)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-plain{background:#fff;color:var(--c-ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-plain:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px)}
.btn-on-dark{background:#fff;color:var(--c-ink)}
.btn-on-dark:hover{background:var(--c-gold);color:#241C31;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ===== 徽章 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1.5}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.badge-mint{background:var(--c-mint-soft);color:#0E8C79}
.badge-dark{background:var(--bg-deep);color:#fff}
.badge-soft{background:var(--bg-alt);color:var(--c-ink-soft)}

/* ===== 通用板块 ===== */
main{display:block}
.section{padding:56px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:26px;line-height:1.35}
.section-head .sub{font-size:14.5px;color:var(--t-3);max-width:620px;margin-top:6px}
.section-link{font-size:14px;font-weight:600;white-space:nowrap}
.section-link:hover{text-decoration:underline}

/* ===== 分类头部 ===== */
.cat-head{background:var(--bg-alt);padding:26px 0 34px;border-bottom:1px solid var(--line)}
.crumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--t-3);padding:0;margin:0 0 16px}
.crumb li{display:flex;align-items:center;gap:6px}
.crumb li+li::before{content:"/";color:var(--t-3)}
.crumb a{color:var(--t-3)}
.crumb a:hover{color:var(--c-primary)}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 262px;gap:34px;align-items:start}
.cat-head h1{font-size:34px;line-height:1.32;margin:12px 0 14px}
.cat-head h1 span{color:var(--c-primary)}
.cat-lead{font-size:15.5px;line-height:1.9;color:var(--t-2);max-width:760px}
.stat-card{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);padding:18px 20px}
.stat-card h2{font-size:14px;color:var(--t-3);font-weight:600;letter-spacing:.5px;margin-bottom:6px}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;padding:9px 0;border-bottom:1px dashed var(--line)}
.stat-row:last-child{border-bottom:0}
.stat-row b{color:var(--c-primary-dark);font-size:15px;font-weight:700}

/* ===== 章节速览图标网格 ===== */
.chip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.chip-card{
  display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:12px 14px;color:var(--t-2);font-size:14px;transition:.22s;min-width:0;
}
.chip-card .ico{color:var(--c-primary);width:20px;height:20px}
.chip-card:hover{border-color:var(--c-primary);color:var(--c-primary-dark);transform:translateY(-2px);box-shadow:var(--sh-1)}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{background:#fff;border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:.25s;border-top:3px solid var(--c-primary)}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:15px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--t-2);line-height:1.8}

/* ===== 左图右文 ===== */
.split{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:center}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;background:var(--bg-alt);box-shadow:var(--sh-2)}
.split-tag{position:absolute;left:16px;bottom:16px;background:#fff;border-radius:var(--r-pill);padding:7px 14px;font-size:13px;font-weight:600;color:var(--c-primary-dark);box-shadow:var(--sh-1)}
.feat-list{display:grid;gap:12px}
.feat-item{display:flex;gap:12px;background:#fff;border-radius:var(--r-sm);padding:15px 16px;box-shadow:var(--sh-1);transition:.22s}
.feat-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.feat-ico{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center}
.feat-item h3{font-size:15.5px;margin-bottom:3px}
.feat-item p{font-size:13.5px;color:var(--t-3);line-height:1.75}

/* ===== 安全清单 ===== */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.check-item{display:flex;gap:12px;background:#fff;border-radius:var(--r-sm);padding:16px 18px;box-shadow:var(--sh-1);border-left:3px solid var(--c-mint)}
.check-ico{width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--c-mint-soft);color:var(--c-mint);display:flex;align-items:center;justify-content:center}
.check-item h3{font-size:15px;margin-bottom:4px}
.check-item p{font-size:13.5px;color:var(--t-3);line-height:1.75}

/* ===== 提醒卡 ===== */
.warn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.warn-card{background:var(--c-primary-soft);border-left:4px solid var(--c-primary);border-radius:var(--r-sm);padding:16px 18px}
.warn-card h3{font-size:15.5px;margin-bottom:6px;color:var(--c-primary-dark)}
.warn-card p{font-size:14px;color:var(--t-2);line-height:1.8}
.tip-card{background:var(--c-mint-soft);border-left:4px solid var(--c-mint);border-radius:var(--r-sm);padding:16px 18px}
.tip-card h3{font-size:15.5px;margin-bottom:6px;color:#0E8C79}
.tip-card p{font-size:14px;color:var(--t-2);line-height:1.8}

/* ===== CMS 资讯列表 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:.25s;height:100%;color:inherit}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);color:inherit}
.post-thumb{aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.post-title{font-size:16.5px;font-weight:600;color:var(--t-1);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:var(--c-primary)}
.post-desc{font-size:13.5px;color:var(--t-3);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t-3);padding-top:10px;border-top:1px solid var(--line)}
.post-more{color:var(--c-primary);font-weight:600}
.empty-state{border:1.5px dashed rgba(42,33,54,.18);background:var(--bg-alt);border-radius:16px;padding:40px 20px;text-align:center;color:var(--t-3);font-size:14.5px}
.empty-state .ico{width:34px;height:34px;color:var(--t-3);margin-bottom:10px}
.list-actions{display:flex;justify-content:center;margin-top:28px}

/* ===== 标签云 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px;font-size:13.5px;color:var(--t-2);transition:.22s}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary-dark);background:var(--c-primary-soft);transform:translateY(-2px)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{background:#fff;border-radius:var(--r-sm);box-shadow:var(--sh-1);border-left:3px solid transparent;transition:.22s;overflow:hidden}
.faq-item[open]{border-left-color:var(--c-primary);box-shadow:var(--sh-2)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 52px 16px 18px;font-weight:600;color:var(--t-1);font-size:16px;position:relative;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--c-primary);font-weight:400}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:focus-visible{outline:2px solid rgba(240,86,63,.4);outline-offset:-2px}
.faq-answer{padding:0 18px 18px;font-size:14.5px;color:var(--t-2);line-height:1.9}

/* ===== 下载区 ===== */
.dl-panel{background:var(--bg-deep);border-radius:24px;padding:36px;color:#fff}
.dl-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:24px}
.dl-head h2{color:#fff;font-size:26px}
.dl-head p{color:rgba(255,255,255,.7);font-size:14.5px;margin-top:8px;max-width:620px}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.dl-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:22px;display:flex;flex-direction:column}
.dl-card .dl-ico{width:42px;height:42px;border-radius:12px;background:rgba(240,86,63,.22);color:#FFB7A8;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.dl-card h3{color:#fff;font-size:17px;margin-bottom:6px}
.dl-card p{color:rgba(255,255,255,.68);font-size:13.5px;line-height:1.75;margin-bottom:18px}
.dl-card .btn{width:100%;margin-top:auto}
.dl-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.8}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.8);padding:52px 0 24px;margin-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:17px;box-shadow:none}
.footer-brand strong{color:#fff;font-size:16.5px}
.footer-about{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:380px}
.footer-title{font-size:13px;letter-spacing:1px;color:rgba(255,255,255,.5);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-tags a{color:rgba(255,255,255,.8);font-size:14px;transition:.22s}
.footer-links a:hover,.footer-tags a:hover{color:#fff;transform:translateX(2px)}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags a{background:rgba(255,255,255,.07);border-radius:var(--r-pill);padding:5px 12px;font-size:12.5px}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.55)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .cat-head-grid{grid-template-columns:minmax(0,1fr) 240px;gap:26px}
}
@media (max-width:991px){
  .search-box{display:none}
  .nav-toggle{display:flex}
  .cat-head-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:24px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chip-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cat-head h1{font-size:29px}
}
@media (max-width:767px){
  .section{padding:40px 0}
  .cat-head h1{font-size:25px}
  .section-head h2{font-size:22px}
  .check-list{grid-template-columns:1fr}
  .warn-grid{grid-template-columns:1fr}
  .chip-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-panel{padding:24px}
  .dl-head h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .brand-text strong{font-size:15.5px}
  .brand-text em{display:none}
  .brand-actions .btn{padding:9px 16px;font-size:13px}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:17px}
  .steps{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .cat-head{padding:20px 0 26px}
  .cat-head h1{font-size:22px}
  .btn{width:100%}
  .brand-actions .btn{width:auto}
  .icon-nav-link{min-width:74px;padding:8px 10px;font-size:12px}
}