/* roulang page: index */
:root{
  --brand:#C8392E;
  --brand-dark:#A82C22;
  --brand-soft:#FBEAE8;
  --ink:#14171A;
  --green:#0F6E5C;
  --green-soft:#E5F1EE;
  --yellow:#F5C24B;
  --bg:#F7F5F2;
  --white:#FFFFFF;
  --line:#E6E2DC;
  --text:#1A1D1F;
  --muted:#6B6F73;
  --error:#D14343;
  --radius-card:14px;
  --radius-pill:999px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(20,23,26,.06);
  --shadow-2:0 12px 32px -12px rgba(20,23,26,.18);
  --container:1200px;
  --num:"Barlow Condensed","Oswald","HarmonyOS Sans SC",ui-sans-serif,sans-serif;
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.05em;color:var(--green);
  background:var(--green-soft);border-radius:var(--radius-pill);padding:4px 12px;margin-bottom:14px;
}
h1{font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.01em}
h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
.lead{color:var(--muted);font-size:17px;line-height:1.75}
.num{font-family:var(--num);font-weight:600;letter-spacing:.02em}

/* ---------- 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -10px rgba(200,57,46,.7)}
.btn-primary:hover{background:var(--brand-dark);box-shadow:var(--shadow-2)}
.btn-outline{border:1.5px solid var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--green);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none}
.ghost-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;
  transition:gap var(--ease),color var(--ease);
}
.ghost-link:hover{gap:12px;color:var(--brand-dark)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12px;letter-spacing:.03em;line-height:1;
}
.badge-red{background:var(--brand-soft);color:var(--brand)}
.badge-green{background:var(--green-soft);color:var(--green)}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(200,57,46,.1);color:var(--brand);font-size:13px;font-weight:600;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 3px rgba(245,194,75,.25)}

/* ---------- 卡片 ---------- */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,245,242,.92);
  border-bottom:1px solid var(--line);transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(20,23,26,.4);background:var(--bg)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);position:relative;overflow:hidden;flex:0 0 34px;
}
.logo-mark::before{
  content:"M";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--num);font-size:19px;font-weight:700;
}
.logo-mark::after{
  content:"";position:absolute;left:-6px;bottom:-10px;width:44px;height:24px;
  border:2px solid rgba(255,255,255,.5);border-radius:50%;transform:rotate(-18deg);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;padding:0 14px;
  font-size:15px;color:var(--text);transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:14px;width:0;height:2px;background:var(--brand);
  transform:translateX(-50%);transition:width var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:22px}
.nav-link.is-active{font-weight:600;color:var(--brand)}
.nav-link.is-active::after{width:32px}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--white);
  display:inline-flex;align-items:center;justify-content:center;color:var(--muted);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--white);align-items:center;justify-content:center}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,23,26,.45);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--white);z-index:80;
  transform:translateX(100%);transition:transform 220ms ease-out;display:flex;flex-direction:column;
  padding:20px 20px calc(20px + env(safe-area-inset-bottom));overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--muted)}
.drawer-search{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:var(--radius-sm);height:46px;padding:0 14px;margin-bottom:18px;background:var(--bg)}
.drawer-search input{border:none;background:transparent;outline:none;width:100%;font-size:14px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:16px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-nav a i{color:var(--muted);font-size:12px}
.drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.drawer-foot{margin-top:auto;padding-top:24px;font-size:13px;color:var(--muted)}

/* ---------- Hero ---------- */
.hero{background:var(--bg);padding:calc(64px + 56px) 0 88px;position:relative;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:52% 48%;gap:48px;align-items:center}
.hero-copy h1{margin:16px 0 18px;max-width:15em}
.hero-sub{color:var(--muted);font-size:17px;max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;border-top:1px solid var(--line);padding-top:24px}
.stat-num{font-family:var(--num);font-size:26px;font-weight:700;line-height:1.1;color:var(--ink)}
.stat-num small{font-size:13px;font-weight:600;color:var(--muted);margin-left:2px}
.stat-label{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:4px}
.hero-visual{position:relative;border-radius:16px;overflow:hidden;min-height:440px;background:var(--ink)}
.hero-visual-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.72}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 78%,rgba(245,194,75,.22),transparent 58%);
}
.hero-visual-stripes{
  position:absolute;inset:0;z-index:1;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 6px,transparent 6px 16px);
}
.hero-phone{
  position:absolute;z-index:2;right:26px;bottom:0;width:56%;max-width:280px;border-radius:16px 16px 0 0;
  box-shadow:0 24px 60px -24px rgba(0,0,0,.75);
}
.float-card{
  position:absolute;z-index:3;left:22px;bottom:26px;background:var(--white);border-radius:12px;
  padding:14px 16px;box-shadow:var(--shadow-2);min-width:168px;
}
.float-card .stars{color:var(--yellow);font-size:13px;letter-spacing:2px}
.float-card strong{font-family:var(--num);font-size:24px;font-weight:700}
.float-card span{font-size:12px;color:var(--muted);margin-left:6px}
.float-card em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:4px;font-family:var(--num);letter-spacing:.04em}

/* ---------- 板块头 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head p{color:var(--muted);margin-top:10px;max-width:52em;font-size:16px}
.section-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.arc-divider{height:34px;background:var(--bg);border-radius:0 0 50% 50%/0 0 100% 100%}

/* ---------- 截图轮播 ---------- */
.shots{position:relative}
.shot-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 18px;scrollbar-width:none;
}
.shot-track::-webkit-scrollbar{display:none}
.shot-card{
  flex:0 0 320px;scroll-snap-align:start;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.shot-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.shot-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.shot-media img{width:100%;height:100%;object-fit:cover}
.shot-num{
  position:absolute;top:12px;left:12px;background:rgba(20,23,26,.78);color:#fff;
  font-family:var(--num);font-size:13px;letter-spacing:.08em;padding:3px 10px;border-radius:var(--radius-pill);
}
.shot-body{padding:20px 22px 24px}
.shot-body h3{font-size:18px;margin-bottom:6px}
.shot-body p{color:var(--muted);font-size:14px}
.carousel-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:8px}
.dots{display:flex;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--line);transition:all var(--ease)}
.dot.is-active{width:26px;border-radius:var(--radius-pill);background:var(--brand)}
.carousel-arrows{display:flex;gap:10px}

/* ---------- 核心功能 1大3小 ---------- */
.feature-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:stretch}
.feature-main{display:flex;flex-direction:column;overflow:hidden}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-main .feature-body{padding:26px 28px 28px}
.feature-main h3{font-size:22px;margin:12px 0 10px}
.feature-main p{color:var(--muted);font-size:15px}
.feature-list{display:grid;gap:16px}
.feature-item{display:flex;gap:16px;padding:22px 24px;align-items:flex-start}
.feature-idx{
  font-family:var(--num);font-size:22px;font-weight:700;color:var(--brand);
  line-height:1;padding-top:2px;flex:0 0 34px;
}
.feature-item h3{font-size:17px;margin-bottom:6px}
.feature-item p{color:var(--muted);font-size:14px}

/* ---------- 系统要求 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.spec-card{padding:26px 24px}
.spec-icon{
  width:42px;height:42px;border-radius:12px;background:var(--green-soft);color:var(--green);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
}
.spec-card h3{font-size:17px;margin-bottom:14px}
.spec-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px}
.spec-row:last-child{border-bottom:none}
.spec-row dt{color:var(--muted);flex:0 0 auto}
.spec-row dd{margin:0;text-align:right;font-family:var(--num);font-size:14px;font-weight:600;color:var(--ink)}

/* ---------- 评价墙 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.review-card{padding:24px 26px}
.review-card:nth-child(even){transform:translateY(18px)}
.review-card:nth-child(even):hover{transform:translateY(16px)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;flex:0 0 40px;font-family:var(--num);
}
.review-name{font-size:15px;font-weight:600}
.review-sub{font-size:12px;color:var(--muted)}
.stars{color:var(--yellow);font-size:13px;letter-spacing:2px;margin-left:auto}
.review-text{font-size:15px;color:var(--text);line-height:1.7}
.review-tag{margin-top:12px;display:inline-flex}

/* ---------- 下载区 ---------- */
.download-panel{
  background:var(--white);border:1px solid var(--line);border-radius:20px;padding:44px;
  display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;box-shadow:var(--shadow-1);
}
.dl-list{display:grid;gap:14px;margin-top:26px}
.dl-btn{
  display:flex;align-items:center;gap:16px;padding:16px 22px;border-radius:var(--radius-pill);
  border:1.5px solid var(--green);color:var(--green);background:transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);
}
.dl-btn i{font-size:20px}
.dl-btn .dl-main{display:block;font-size:16px;font-weight:600;line-height:1.3}
.dl-btn .dl-sub{display:block;font-size:12px;opacity:.85;font-family:var(--num);letter-spacing:.03em}
.dl-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.dl-btn.is-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.dl-btn.is-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.dl-note{margin-top:18px;font-size:13px;color:var(--muted)}
.qr-box{
  width:140px;height:140px;border:1px dashed var(--line);border-radius:14px;margin:0 auto;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:var(--muted);font-size:12px;background:var(--bg);
}
.qr-box i{font-size:30px;color:var(--brand)}
.qr-caption{text-align:center;font-size:13px;color:var(--muted);margin-top:12px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}
.news-lead{overflow:hidden;display:flex;flex-direction:column}
.news-lead-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
.news-lead:hover .news-lead-media img{transform:scale(1.04)}
.news-lead-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-lead-body h3{font-size:20px;line-height:1.45}
.news-lead-body h3 a:hover{color:var(--brand)}
.news-lead-body p{color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;font-size:13px;color:var(--muted)}
.news-list{display:flex;flex-direction:column}
.news-list li{border-bottom:1px solid var(--line)}
.news-list li:first-child{border-top:1px solid var(--line)}
.news-list a{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 14px;transition:background var(--ease),padding-left var(--ease);
}
.news-list a:hover{background:var(--bg);padding-left:20px}
.news-list-title{font-size:15px;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list-meta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.news-list-meta time{font-size:12px;color:var(--muted);font-family:var(--num);letter-spacing:.03em}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--white);
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state p{color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden}
.faq-item summary{
  list-style:none;display:flex;align-items:center;gap:16px;min-height:56px;padding:14px 22px;
  cursor:pointer;font-size:16px;font-weight:600;transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .sign{position:relative;width:16px;height:16px;flex:0 0 16px;margin-left:auto}
.faq-item summary .sign::before,
.faq-item summary .sign::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform var(--ease);
}
.faq-item summary .sign::before{left:0;top:7px;width:16px;height:2px}
.faq-item summary .sign::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] summary .sign::after{transform:scaleY(0)}
.faq-answer{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.75}
.faq-group{display:flex;align-items:center;gap:10px;margin:28px 0 14px;font-size:13px;color:var(--muted)}
.faq-group::after{content:"";flex:1;height:1px;background:var(--line)}

/* ---------- 底部 CTA ---------- */
.cta-bar{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:64px 0}
.cta-bar::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 6px,transparent 6px 16px);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.cta-bar h2{color:#fff}
.cta-bar p{color:#C9C7C3;margin-top:12px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.cta-actions .btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E8E6E3;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:var(--brand)}
.footer-desc{color:#A9A6A2;font-size:14px;margin-top:16px;max-width:30em}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.03em}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#A9A6A2;font-size:14px;transition:color var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:13px;color:#8D8A87;flex-wrap:wrap}
.footer-bottom a{color:#8D8A87}
.footer-bottom a:hover{color:var(--brand)}
.to-top{display:inline-flex;align-items:center;gap:6px}

/* ---------- 移动端下载条 ---------- */
.mobile-dl{
  position:fixed;left:0;right:0;bottom:0;z-index:65;background:var(--white);
  border-top:1px solid var(--line);padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  display:none;align-items:center;gap:12px;box-shadow:0 -8px 24px -18px rgba(20,23,26,.6);
  transform:translateY(110%);transition:transform 240ms ease-out;
}
.mobile-dl.is-visible{transform:translateY(0)}
.mobile-dl .ml-text{flex:1;font-size:13px;color:var(--muted);line-height:1.4}
.mobile-dl .btn{height:42px;padding:0 18px;font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-inner{gap:36px}
  .container{padding:0 20px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:calc(64px + 40px) 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-visual{min-height:320px;order:2}
  .hero-phone{width:48%;max-width:220px;right:20px}
  h1{font-size:32px}
  h2{font-size:26px}
  .feature-grid{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .download-panel{grid-template-columns:1fr;padding:32px}
  .news-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-search{display:none}
}
@media (max-width:767px){
  .nav-links,.nav-actions .btn{display:none}
  .hamburger{display:flex}
  .logo-text{font-size:16px}
  .section{padding:56px 0}
  h1{font-size:28px}
  h2{font-size:24px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .hero-cta .btn{width:100%}
  .hero-visual{min-height:280px}
  .hero-phone{width:60%;right:14px}
  .float-card{left:14px;bottom:16px;padding:12px 14px;min-width:150px}
  .shot-card{flex:0 0 84%}
  .carousel-arrows{display:none}
  .spec-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .review-card:nth-child(even){transform:none}
  .review-card:nth-child(even):hover{transform:translateY(-2px)}
  .news-list a{flex-direction:column;align-items:flex-start;gap:8px}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .mobile-dl{display:flex}
  .site-footer{padding-bottom:72px}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  h1{font-size:25px}
  h2{font-size:21px}
  .hero{padding:calc(56px + 28px) 0 48px}
  .download-panel{padding:24px 20px;border-radius:16px}
  .feature-main .feature-body{padding:20px}
  .btn{height:44px;padding:0 20px}
  .stat-num{font-size:22px}
}

/* roulang page: article */
:root{
  --brand:#C8392E;
  --brand-dark:#A82C22;
  --brand-soft:#FBECEA;
  --ink:#14171A;
  --teal:#0F6E5C;
  --teal-soft:#E7F2EF;
  --gold:#F5C24B;
  --bg:#F7F5F2;
  --white:#FFFFFF;
  --line:#E6E2DC;
  --text:#1A1D1F;
  --muted:#6B6F73;
  --error:#D14343;
  --radius-card:14px;
  --radius-btn:999px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(20,23,26,.06);
  --shadow-2:0 12px 32px -12px rgba(20,23,26,.18);
  --gap-section:96px;
  --font-cn:"HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Helvetica Neue",Arial,sans-serif;
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px -10px rgba(200,57,46,.9)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--teal);border-color:var(--teal)}
.btn-outline:hover{background:var(--teal-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--brand);padding:0;height:auto;font-weight:600}
.btn-ghost i{transition:transform var(--ease)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none!important}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.05em;font-weight:600;
}
.pill-brand{background:var(--brand-soft);color:var(--brand)}
.pill-teal{background:var(--teal-soft);color:var(--teal)}
.pill-line{border:1px solid var(--line);color:var(--muted);background:var(--white)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,242,.92);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{background:var(--bg);box-shadow:0 6px 24px -18px rgba(20,23,26,.5)}
.nav{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);flex:0 0 auto}
.logo-mark{
  position:relative;width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:19px;font-weight:700;line-height:1;
}
.logo-mark::before{content:"M"}
.logo-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:10px;height:10px;border-radius:50%;
  background:var(--gold);
}
.logo-text{font-size:17px;letter-spacing:.01em}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);padding:6px 0;
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);
  transition:width var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{width:32px;background:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:var(--white);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--white);position:relative;
}
.hamburger span,.hamburger span::before,.hamburger span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--ink);border-radius:2px;content:"";
  transition:transform var(--ease),opacity var(--ease);
}
.hamburger span{top:50%;margin-top:-1px}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,23,26,.45);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;
  background:var(--white);z-index:90;transform:translateX(102%);
  transition:transform var(--ease);display:flex;flex-direction:column;
  padding:20px 22px 28px;overflow-y:auto;box-shadow:-16px 0 40px -24px rgba(20,23,26,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--white);color:var(--ink)}
.drawer-title{font-size:12px;letter-spacing:.12em;color:var(--muted);margin:14px 0 8px}
.drawer-nav a{
  display:block;padding:13px 0;font-size:16px;border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-nav a:hover{color:var(--brand)}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-search{display:flex;gap:8px;margin:6px 0 4px}
.drawer-search input{
  flex:1;height:44px;border:1px solid var(--line);border-radius:var(--radius-input);
  padding:0 12px;font-size:14px;background:var(--bg);color:var(--ink);
}
.drawer-btns{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.drawer-btns .btn{width:100%}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  padding:calc(64px + 44px) 0 56px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(255,255,255,.06) 0 8px,transparent 8px 22px),
    radial-gradient(680px 320px at 88% 12%,rgba(200,57,46,.42),transparent 68%);
  background-size:22px 100%,auto;
  opacity:.9;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(232,230,227,.72);margin-bottom:18px;
}
.breadcrumb a{color:rgba(232,230,227,.72)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:40px;line-height:1.22;font-weight:700;letter-spacing:-.01em;
  max-width:920px;margin-top:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:20px;font-size:14px;color:rgba(232,230,227,.75);
}
.article-meta .divider{width:1px;height:14px;background:rgba(232,230,227,.28)}
.article-meta i{color:var(--gold);margin-right:6px}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 0}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 200px;
  gap:56px;justify-content:center;
}
.article-body{
  max-width:760px;font-size:17px;line-height:1.85;color:var(--text);
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:36px 40px;box-shadow:var(--shadow-1);
}
.article-body > * + *{margin-top:1.25em}
.article-body p{margin-top:1.25em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;color:var(--ink);
  margin-top:40px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin-top:32px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin-top:24px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-dark)}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body ul,.article-body ol{margin-top:1em;padding-left:1.4em}
.article-body ul{list-style:none}
.article-body ul li{position:relative;padding-left:6px;line-height:1.8;margin-bottom:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:-14px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{list-style:decimal}
.article-body ol li{line-height:1.8;margin-bottom:.5em}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:var(--teal-soft);
  border-left:3px solid var(--teal);border-radius:0 12px 12px 0;color:#23504A;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body code{
  background:#F2EFEA;border-radius:6px;padding:2px 6px;font-size:15px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--brand-dark);
}
.article-body pre{
  background:var(--ink);color:#F2EFEA;border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body .table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:12px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px}
.article-body th{
  background:#F3F0EB;color:var(--ink);font-weight:600;text-align:left;
  padding:12px 16px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--text)}
.article-body tr:last-child td{border-bottom:0}

/* 目录 */
.article-toc{position:relative}
.toc-inner{position:sticky;top:96px}
.toc-title{
  font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:600;margin-bottom:12px;
}
.toc-list{border-left:1px solid var(--line);padding-left:14px}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);padding:6px 0;line-height:1.5;
  transition:color var(--ease);
}
.toc-list a:hover{color:var(--ink)}
.toc-list a.is-current{color:var(--brand);font-weight:600}
.toc-cta{margin-top:22px}
.toc-cta .btn{width:100%;height:44px;font-size:14px}

/* 标签行 */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:28px;padding-top:24px;border-top:1px dashed var(--line);
}
.article-tags .label{font-size:14px;color:var(--muted);margin-right:2px}

/* 空态 */
.empty-box{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--white);
  padding:56px 28px;text-align:center;
}
.empty-box .empty-icon{
  width:56px;height:56px;border-radius:16px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;
}
.empty-box h2{font-size:22px;font-weight:700;color:var(--ink)}
.empty-box p{margin-top:10px;color:var(--muted);font-size:15px}
.empty-box .empty-actions{margin-top:22px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ---------- 上下篇 ---------- */
.pager-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;margin-top:40px;
}
.pager-card{
  display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#DCD6CE}
.pager-card .pager-label{
  display:flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;color:var(--muted);margin-bottom:10px;
}
.pager-card .pager-label i{color:var(--brand)}
.pager-card h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5}
.pager-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.65}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:30px;font-weight:700;color:var(--ink);line-height:1.3}
.section-head p{margin-top:8px;color:var(--muted);font-size:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#DCD6CE}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE9E3}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 320ms ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .pill{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand)}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5}
.card-body h3 a:hover{color:var(--brand)}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}
.card-foot .more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-foot .more i{transition:transform var(--ease)}
.card:hover .card-foot .more i{transform:translateX(4px)}

/* ---------- 下载 CTA 条 ---------- */
.cta-band{
  margin-top:88px;background:var(--ink);color:#fff;position:relative;overflow:hidden;
  padding:64px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px);
  opacity:.5;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
}
.cta-inner h2{font-size:30px;font-weight:700;line-height:1.32}
.cta-inner p{margin-top:12px;color:rgba(232,230,227,.78);font-size:15px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.5)}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff}
.cta-note{width:100%;text-align:right;font-size:13px;color:rgba(232,230,227,.62);margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E8E6E3;margin-top:0;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.site-footer .logo{color:#fff}
.site-footer .logo-mark::after{border-color:var(--ink)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(232,230,227,.7);max-width:36ch}
.footer-title{font-size:13px;letter-spacing:.12em;color:rgba(232,230,227,.55);font-weight:600;margin-bottom:16px}
.footer-links li{margin-bottom:11px;font-size:14px;color:rgba(232,230,227,.78)}
.footer-links a{color:rgba(232,230,227,.78)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(232,230,227,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(232,230,227,.6);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(232,230,227,.78)}
.to-top:hover{color:var(--brand)}

/* ---------- 移动端底部下载条 ---------- */
.mobile-download{
  position:fixed;left:0;right:0;bottom:0;height:56px;z-index:70;
  background:var(--white);border-top:1px solid var(--line);
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  transform:translateY(110%);transition:transform 240ms ease-out;
  box-shadow:0 -8px 24px -18px rgba(20,23,26,.6);
}
.mobile-download.is-visible{transform:translateY(0)}
.mobile-download .md-text{font-size:13px;color:var(--muted);line-height:1.4}
.mobile-download .md-text strong{display:block;font-size:14px;color:var(--ink)}
.mobile-download .btn{height:38px;padding:0 16px;font-size:14px}
.mobile-download .md-icon{color:var(--brand);font-size:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 190px;gap:40px}
  .article-hero h1{font-size:36px}
}
@media (max-width:1023px){
  .nav-search{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-toc{display:none}
  .article-body{max-width:100%;padding:30px 28px}
  .article-hero{padding:calc(64px + 32px) 0 44px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  :root{--gap-section:72px}
}
@media (max-width:767px){
  .nav{height:56px;gap:14px}
  .nav-links{display:none}
  .hamburger{display:inline-flex;align-items:center;justify-content:center}
  .logo-text{font-size:16px}
  .article-hero{padding:calc(56px + 24px) 0 36px}
  .article-hero h1{font-size:28px}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .article-main{padding:36px 0 0}
  .article-body{font-size:16px;padding:24px 20px;border-radius:12px}
  .article-body h2{font-size:22px;margin-top:34px}
  .article-body h3{font-size:18px}
  .pager-grid{grid-template-columns:1fr}
  .related{padding:56px 0 0}
  .section-head{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:24px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{margin-top:64px;padding:48px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 92px}
  .mobile-download{display:flex}
}
@media (max-width:479px){
  .container{padding:0 18px}
  .article-hero h1{font-size:25px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:20px}
  .logo-text em{display:inline}
}

/* roulang page: category1 */
:root{
  --brand:#C8392E;
  --brand-hover:#A82C22;
  --ink:#14171A;
  --green:#0F6E5C;
  --green-light:#2FA48C;
  --gold:#F5C24B;
  --bg:#F7F5F2;
  --white:#FFFFFF;
  --line:#E6E2DC;
  --text:#1A1D1F;
  --muted:#6B6F73;
  --error:#D14343;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(20,23,26,.06);
  --shadow-lg:0 12px 32px -12px rgba(20,23,26,.18);
  --sp:96px;
  --font-cn:"Noto Sans SC","HarmonyOS Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Barlow Condensed","Oswald",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-num);letter-spacing:.01em}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn i{font-size:14px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(200,57,46,.65)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:rgba(15,110,92,.08);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--text);padding:0 6px;height:auto}
.btn-ghost i{transition:transform .2s ease-out}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn:disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 标签 / 徽章 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.05em;
  background:rgba(200,57,46,.1);color:var(--brand);font-weight:500;
}
.pill-green{background:rgba(15,110,92,.1);color:var(--green)}
.pill-dark{background:rgba(255,255,255,.1);color:#fff}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,242,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out,background .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 4px 20px -12px rgba(20,23,26,.28);background:#F7F5F2}
.nav{display:flex;align-items:center;gap:28px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  position:relative;width:32px;height:32px;border-radius:10px;
  background:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--font-num);font-size:20px;font-weight:700;line-height:1;
}
.logo-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:9px;height:9px;border-radius:50%;
  background:var(--gold);border:2px solid var(--bg);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 12px;font-size:15px;color:var(--muted);border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;
  background:var(--brand);border-radius:2px;transform:translateX(-50%);
  transition:width .2s ease-out;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:16px}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{width:32px}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--muted);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s ease-out;font-size:14px;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand)}
.hamburger{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:10px;cursor:pointer;position:relative;
}
.hamburger span,
.hamburger span::before,
.hamburger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:all .2s ease-out;content:"";
}
.hamburger span{top:50%;margin-top:-1px}
.hamburger span::before{top:-6px;left:0;transform:none}
.hamburger span::after{top:6px;left:0;transform:none}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,23,26,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:20px 22px 28px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer-nav a{
  padding:13px 12px;border-radius:var(--radius-sm);font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600;background:rgba(200,57,46,.06)}
.drawer-search{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 14px;height:48px;margin-bottom:18px}
.drawer-search input{border:0;outline:0;flex:1;font-size:15px;background:transparent;font-family:inherit}
.drawer-search i{color:var(--muted)}
.drawer-btns{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.drawer-foot{font-size:13px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding-top:16px}

/* ============ Hero ============ */
.hero{position:relative;background:var(--bg);border-bottom:1px solid var(--line);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:52% 48%;align-items:stretch}
.hero-copy{padding:92px 56px 88px 0}
.hero-copy h1{font-size:40px;line-height:1.2;font-weight:700;margin:18px 0 20px;letter-spacing:-.01em}
.hero-copy h1 mark{background:linear-gradient(transparent 62%,rgba(200,57,46,.22) 62%);color:inherit;padding:0 2px}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.stat-num{font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1;color:var(--ink)}
.stat-num span{font-size:15px;margin-left:2px}
.stat-label{font-size:12px;letter-spacing:.05em;color:var(--muted);margin-top:8px}
.hero-visual{
  position:relative;background:var(--ink);overflow:hidden;
  display:flex;align-items:center;justify-content:center;padding:56px 48px;
}
.hero-visual::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 11px);
  opacity:.9;
}
.hero-visual::after{
  content:"";position:absolute;width:460px;height:460px;right:-140px;bottom:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,57,46,.4),transparent 68%);
}
.hero-frame{position:relative;z-index:1;width:100%;max-width:440px;border-radius:16px;overflow:hidden;box-shadow:0 24px 48px -20px rgba(0,0,0,.6)}
.hero-frame>img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-phone{
  position:absolute;right:-16px;bottom:-24px;width:34%;border-radius:12px;overflow:hidden;
  border:3px solid #fff;box-shadow:0 16px 30px -14px rgba(0,0,0,.6);z-index:2;
}
.hero-phone img{width:100%;aspect-ratio:9/16;object-fit:cover}
.hero-float{
  position:absolute;left:14px;bottom:14px;z-index:3;background:#fff;border-radius:12px;
  padding:10px 16px;display:flex;align-items:center;gap:12px;box-shadow:0 10px 26px -12px rgba(0,0,0,.5);
}
.hero-float .dot{width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(245,194,75,.22)}
.hero-float b{font-family:var(--font-num);font-size:18px;line-height:1}
.hero-float small{display:block;font-size:11px;color:var(--muted);letter-spacing:.05em;margin-top:2px}

/* ============ 通用板块 ============ */
.section{padding:var(--sp) 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:680px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--brand);font-weight:600;text-transform:uppercase}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;margin:12px 0 14px}
.section-head p{color:var(--muted);font-size:16px}

/* ============ 编号功能条 ============ */
.feature-rows{border-top:1px solid var(--line)}
.feature-row{
  display:grid;grid-template-columns:110px 1fr auto;gap:28px;align-items:start;
  padding:30px 24px 30px 4px;border-bottom:1px solid var(--line);
  transition:background .2s ease-out,padding .2s ease-out;
}
.feature-row:hover{background:#fff;padding-left:16px}
.f-num{
  font-family:var(--font-num);font-size:52px;font-weight:700;line-height:.9;
  color:rgba(200,57,46,.28);transition:color .2s ease-out;
}
.feature-row:hover .f-num{color:var(--brand)}
.f-body h3{font-size:20px;font-weight:600;margin-bottom:8px}
.f-body p{color:var(--muted);font-size:15px;max-width:640px}
.f-tag{align-self:center}
@media (max-width:1023px){
  .feature-row{grid-template-columns:76px 1fr;gap:18px}
  .f-tag{align-self:start;grid-column:2}
}

/* ============ 规格卡 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:var(--shadow-sm);transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.spec-icon{
  width:44px;height:44px;border-radius:12px;background:rgba(15,110,92,.1);color:var(--green);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:18px;
}
.spec-card h3{font-size:18px;font-weight:600;margin-bottom:16px}
.spec-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.spec-list li:last-child{border-bottom:0}
.spec-list span{color:var(--muted)}
.spec-list b{font-weight:600;color:var(--ink)}
.spec-list b.num{font-size:17px}

/* ============ FAQ ============ */
.faq-wrap{max-width:760px;margin:0 auto}
.faq-cats{display:flex;gap:8px;justify-content:center;margin-bottom:28px;flex-wrap:wrap}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:14px 0;text-align:left;font-size:17px;font-weight:600;
  color:var(--text);cursor:pointer;transition:color .2s ease-out;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted);
  transition:all .2s ease-out;
}
.faq-item.open .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{color:var(--muted);font-size:15px;padding:0 40px 22px 0}

/* ============ CTA 条 ============ */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:76px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:44px;align-items:center}
.cta-grid h2{font-size:30px;line-height:1.3;font-weight:700;margin-bottom:14px}
.cta-grid p{color:rgba(232,230,227,.78);max-width:560px;font-size:16px}
.cta-btns{display:flex;flex-direction:column;gap:12px;min-width:280px}
.cta-btns .btn{width:100%;justify-content:flex-start;padding-left:20px}
.btn-line{border-color:rgba(255,255,255,.28);color:#fff;background:transparent}
.btn-line:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
.btn-line small{display:block;font-size:12px;opacity:.7;font-weight:400}
.btn-primary small{display:block;font-size:12px;opacity:.8;font-weight:400}
.btn-main-stack{flex-direction:column;align-items:flex-start;justify-content:center;height:64px;line-height:1.35}
.cta-back{position:relative;z-index:1;margin-top:28px}
.cta-back a{color:rgba(232,230,227,.72);font-size:14px;display:inline-flex;align-items:center;gap:8px}
.cta-back a:hover{color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#E8E6E3;padding:72px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark::after{border-color:var(--ink)}
.footer-desc{color:rgba(232,230,227,.66);margin-top:18px;max-width:320px;line-height:1.85}
.footer-title{color:#fff;font-weight:600;margin-bottom:16px;font-size:15px}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-links li{color:rgba(232,230,227,.7)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:24px;color:rgba(232,230,227,.55);font-size:13px}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(232,230,227,.7)}
.to-top:hover{color:var(--brand)}

/* ============ 移动下载条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;height:56px;
  background:rgba(20,23,26,.97);display:none;align-items:center;gap:12px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  transform:translateY(100%);transition:transform .24s ease-out;
}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar .mb-text{color:#fff;font-size:13px;flex:1;line-height:1.3}
.mobile-bar .mb-text small{display:block;color:rgba(232,230,227,.6);font-size:11px}
.mobile-bar .mb-ico{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-copy h1{font-size:36px}
  .hero-copy{padding:80px 40px 76px 0}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  :root{--sp:72px}
  .nav-links{display:none}
  .nav-search{display:none}
  .hamburger{display:block}
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{padding:56px 0 48px;max-width:640px}
  .hero-visual{padding:40px 24px 56px;min-height:300px}
  .hero-frame{max-width:380px}
  .hero-phone{width:30%;right:0;bottom:-14px}
  .cta-grid{grid-template-columns:1fr}
  .cta-btns{flex-direction:column;min-width:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sp:56px}
  .container{padding:0 18px}
  .nav{height:56px;gap:16px}
  .logo-text{font-size:16px}
  .logo-mark{width:28px;height:28px;font-size:17px;border-radius:9px}
  .nav-actions .btn-primary{display:none}
  .hero-copy h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .hero-stats{gap:24px 32px}
  .section-head h2{font-size:24px}
  .cta-grid h2{font-size:24px}
  .feature-row{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .f-num{font-size:38px}
  .spec-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px}
  .faq-a p{padding-right:0}
  .mobile-bar{display:flex}
  .site-footer{padding:56px 0 88px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .hero-copy{padding-top:44px}
  .logo-text em{display:inline}
  .hero-stats{gap:20px}
  .stat-num{font-size:26px}
}

/* roulang page: category2 */
:root{
  --brand:#C8392E;
  --brand-hover:#A82C22;
  --brand-soft:#E4574A;
  --turf:#0F6E5C;
  --turf-soft:rgba(15,110,92,.1);
  --spot:#F5C24B;
  --night:#14171A;
  --paper:#F7F5F2;
  --white:#FFFFFF;
  --line:#E6E2DC;
  --ink:#1A1D1F;
  --ink-2:#6B6F73;
  --err:#D14343;
  --r-card:14px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,23,26,.06);
  --sh-2:0 12px 32px -12px rgba(20,23,26,.18);
  --sp-section:96px;
  --maxw:1200px;
  --narrow:760px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,242,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out,background .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(20,23,26,.35);background:rgba(247,245,242,.99)}
.nav{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;white-space:nowrap;letter-spacing:.01em}
.logo-mark{
  position:relative;flex:none;
  width:34px;height:34px;border-radius:50%;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:"Barlow Condensed",sans-serif;font-size:20px;font-weight:700;line-height:1;
}
.logo-mark::before{content:"M"}
.logo-mark::after{
  content:"";position:absolute;inset:4px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.6);
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-35deg);
}
.logo-text em{font-style:normal;color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;margin-right:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:20px 14px;font-size:15px;color:var(--ink);
  transition:color .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:14px;
  width:32px;height:2px;background:var(--brand);
  transform:translateX(-50%) scaleX(0);transform-origin:center;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--night)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(.6)}
.nav-link.is-active{font-weight:500}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--white);color:var(--ink-2);
  transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:#fff}
.hamburger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;align-items:center;justify-content:center;position:relative}
.hamburger span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s ease-out}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s ease-out}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger:hover{border-color:var(--brand)}
.hamburger:hover span,.hamburger:hover span::before,.hamburger:hover span::after{background:var(--brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  cursor:pointer;
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-outline{border-color:var(--turf);color:var(--turf);background:#fff}
.btn-outline:hover{background:var(--turf-soft);transform:translateY(-2px)}
.btn-ghost{height:auto;padding:0;color:var(--brand);font-weight:600}
.btn-ghost i{transition:transform .2s ease-out}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.05em;line-height:1.6;
}
.badge-red{background:rgba(200,57,46,.1);color:var(--brand)}
.badge-green{background:var(--turf-soft);color:var(--turf)}
.badge-night{background:rgba(20,23,26,.06);color:var(--ink-2)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:24px;font-size:14px;color:var(--ink-2)}
.crumb a{transition:color .2s ease-out}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:#C9C4BD}

/* ---------- hero (narrow, centered) ---------- */
.hero-narrow{position:relative;background:#fff;border-bottom:1px solid var(--line);padding:56px 0 64px;overflow:hidden}
.hero-narrow::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,57,46,.10),rgba(200,57,46,0) 70%);
}
.narrow{max-width:var(--narrow);margin:0 auto;text-align:center;position:relative;z-index:1}
.hero-narrow h1{font-size:40px;line-height:1.2;font-weight:700;margin-top:18px;letter-spacing:-.01em}
.hero-narrow .lead{margin-top:16px;color:var(--ink-2);font-size:17px;line-height:1.8}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:30px}
.stat-strip{
  display:flex;justify-content:center;gap:52px;flex-wrap:wrap;
  margin-top:44px;padding-top:28px;border-top:1px solid var(--line);
}
.stat{text-align:center;min-width:88px}
.stat-num{font-family:"Barlow Condensed",sans-serif;font-size:36px;font-weight:600;line-height:1;color:var(--brand);letter-spacing:.02em}
.stat-num small{font-size:18px;font-weight:600;margin-left:2px}
.stat-label{margin-top:6px;font-size:12px;letter-spacing:.05em;color:var(--ink-2)}

/* ---------- sections ---------- */
.section{padding:var(--sp-section) 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;margin-top:12px}
.section-head p{margin-top:12px;color:var(--ink-2)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand)}

/* ---------- media rows ---------- */
.media-stack{display:grid}
.media-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:48px 0;border-top:1px solid var(--line);
}
.media-row:first-child{border-top:0;padding-top:0}
.media-row:last-child{padding-bottom:0}
.media-row.is-reverse .media-text{order:2}
.media-row.is-reverse .media-figure{order:1}
.media-text h3{font-size:24px;font-weight:700;line-height:1.35}
.media-text p{margin-top:14px;color:var(--ink-2);font-size:16px}
.media-list{margin-top:18px;display:grid;gap:10px}
.media-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink)}
.media-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--turf);
}
.media-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1);
}
.media-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-figure figcaption{
  padding:12px 16px;font-size:13px;color:var(--ink-2);border-top:1px solid var(--line);background:#fff;
}

/* ---------- steps ---------- */
.steps{max-width:840px;margin:0 auto}
.step{position:relative;margin-left:12px;padding:0 0 34px 38px;border-left:2px solid var(--line)}
.step:last-child{border-left-color:transparent;padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-11px;top:2px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.step-num{font-family:"Barlow Condensed",sans-serif;font-size:20px;font-weight:600;color:var(--brand);letter-spacing:.06em}
.step h3{margin-top:4px;font-size:20px;font-weight:600;line-height:1.4}
.step p{margin-top:8px;font-size:15px;color:var(--ink-2)}
.step-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}

/* ---------- reviews ---------- */
.reviews{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.review-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;flex:none;border-radius:50%;
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:16px;
  background:var(--turf);
}
.avatar.is-red{background:var(--brand)}
.review-name{font-weight:600;font-size:15px}
.review-meta{font-size:13px;color:var(--ink-2)}
.stars{margin-left:auto;color:var(--spot);font-size:13px;letter-spacing:.12em}
.review-text{margin-top:16px;font-size:16px;line-height:1.8}
.review-src{margin-top:14px;display:inline-flex}

/* ---------- faq ---------- */
.faq{max-width:var(--narrow);margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:0 22px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq details[open]{border-color:#D8D2CA;box-shadow:var(--sh-1)}
.faq summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 0;font-size:16px;font-weight:600;cursor:pointer;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--brand);line-height:1}
.faq details[open] summary::after{content:"−"}
.faq-body{padding:14px 0 20px;border-top:1px dashed var(--line);font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- download ---------- */
.download-panel{max-width:900px;margin:0 auto}
.download-group{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.dl-btn{
  display:flex;align-items:center;gap:14px;text-align:left;
  padding:16px 22px;border-radius:var(--r-pill);
  border:1.5px solid var(--turf);background:#fff;color:var(--turf);
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.dl-btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background:rgba(15,110,92,.06)}
.dl-btn i{font-size:22px;flex:none}
.dl-btn .dl-title{font-size:15px;font-weight:700;line-height:1.4}
.dl-btn .dl-sub{font-family:"Barlow Condensed",sans-serif;font-size:13px;letter-spacing:.04em;opacity:.85}
.dl-btn.is-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.dl-btn.is-primary:hover{background:var(--brand-hover)}
.download-foot{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  margin-top:28px;padding-top:24px;border-top:1px solid var(--line);
}
.qr{
  width:120px;height:120px;flex:none;border:1px dashed var(--line);border-radius:12px;
  background:#fff;display:grid;place-items:center;text-align:center;
  font-size:12px;color:var(--ink-2);padding:10px;line-height:1.6;
}
.download-foot p{font-size:14px;color:var(--ink-2);max-width:520px}
.inline-links{display:flex;gap:22px;flex-wrap:wrap;margin-top:18px}
.inline-links a{font-size:14px;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.inline-links a:hover i{transform:translateX(4px)}
.inline-links a i{transition:transform .2s ease-out;font-size:12px}

/* ---------- cta band ---------- */
.cta-band{position:relative;background:var(--night);color:#E8E6E3;overflow:hidden}
.cta-band .bg-img{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 14px);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:40px;padding:64px 0;
}
.cta-inner h2{font-size:30px;font-weight:700;color:#fff;line-height:1.3}
.cta-inner p{margin-top:10px;color:rgba(232,230,227,.76);font-size:15px;max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--night);color:#E8E6E3;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.site-footer .logo{color:#fff;font-size:17px;margin-bottom:16px}
.site-footer .logo-text em{color:var(--spot)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(232,230,227,.7);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px;font-size:14px;color:rgba(232,230,227,.72)}
.footer-links a{transition:color .2s ease-out}
.footer-links a:hover{color:var(--brand-soft)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(232,230,227,.6);
}
.to-top{display:inline-flex;align-items:center;gap:8px;transition:color .2s ease-out}
.to-top:hover{color:var(--brand-soft)}
.to-top i{font-size:11px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,23,26,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:80;
  background:#fff;padding:20px 22px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .22s ease-out;
  display:flex;flex-direction:column;gap:22px;
  box-shadow:-16px 0 40px -24px rgba(20,23,26,.5);
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-search{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:var(--r-input);height:48px;padding:0 14px;background:var(--paper)}
.drawer-search input{border:0;background:transparent;outline:none;font-size:15px;width:100%;color:var(--ink)}
.drawer-search i{color:var(--ink-2)}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;border-bottom:1px solid var(--line);font-size:16px;
  transition:color .2s ease-out;
}
.drawer-list a:hover{color:var(--brand)}
.drawer-list a.is-active{color:var(--brand);font-weight:600}
.drawer-list i{font-size:12px;color:#C9C4BD}
.drawer-group{display:grid;gap:12px}
.drawer-mini{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--ink-2);padding-top:18px;border-top:1px solid var(--line)}
.drawer-mini a:hover{color:var(--brand)}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:65;display:none;
  align-items:center;gap:12px;height:56px;padding:0 14px calc(env(safe-area-inset-bottom,0px));
  background:#fff;border-top:1px solid var(--line);
  transform:translateY(102%);transition:transform .22s ease-out;
  box-shadow:0 -10px 24px -18px rgba(20,23,26,.4);
}
.mobile-bar.is-visible{transform:none}
.mobile-bar .bar-text{font-size:13px;color:var(--ink-2);line-height:1.4}
.mobile-bar .bar-text strong{display:block;font-size:14px;color:var(--ink)}
.mobile-bar .icon-btn{flex:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .nav-links{gap:0}
  .nav-link{padding:20px 10px;font-size:14px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-search{display:none}
  .hamburger{display:inline-flex}
  .media-row{gap:40px}
  :root{--sp-section:72px}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  body{font-size:16px}
  .container{padding:0 18px}
  .nav{height:56px}
  .logo{font-size:16px}
  .logo-mark{width:30px;height:30px;font-size:18px}
  .hero-narrow{padding:28px 0 44px}
  .hero-narrow h1{font-size:28px}
  .hero-narrow .lead{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-actions{flex-direction:column}
  .stat-strip{gap:24px 32px;margin-top:32px}
  .stat-num{font-size:30px}
  .section-head h2,.cta-inner h2{font-size:24px}
  .media-row{grid-template-columns:1fr;gap:22px;padding:34px 0}
  .media-row.is-reverse .media-text{order:0}
  .media-row.is-reverse .media-figure{order:0}
  .media-text h3{font-size:20px}
  .reviews{grid-template-columns:1fr}
  .download-group{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .download-foot{flex-direction:column;align-items:flex-start}
  .faq summary{font-size:15px}
  .mobile-bar{display:flex}
  body.has-mobile-bar{padding-bottom:56px}
}
@media (max-width:479px){
  .hero-narrow h1{font-size:26px}
  .stat-strip{gap:20px 26px}
  .stat{min-width:74px}
  .review-card{padding:20px}
  .step{padding-left:30px;margin-left:10px}
}

/* roulang page: category3 */
:root{
  --brand:#C8392E;
  --brand-dark:#A82C22;
  --brand-soft:rgba(200,57,46,.10);
  --ink:#14171A;
  --teal:#0F6E5C;
  --teal-soft:rgba(15,110,92,.10);
  --yellow:#F5C24B;
  --bg:#F7F5F2;
  --white:#FFFFFF;
  --line:#E6E2DC;
  --text:#1A1D1F;
  --muted:#6B6F73;
  --error:#D14343;
  --radius:14px;
  --radius-sm:10px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(20,23,26,.06);
  --shadow-2:0 12px 32px -12px rgba(20,23,26,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:64px;
  --num:"Barlow Condensed","Oswald",-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,242,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(20,23,26,.35);background:rgba(247,245,242,.98);}
.nav{display:flex;align-items:center;gap:24px;height:var(--nav-h);}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;border-radius:50%;background:var(--brand);position:relative;flex:0 0 auto;
  box-shadow:0 4px 10px -6px rgba(200,57,46,.9);
}
.logo-mark::after{
  content:"M";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--num);font-weight:700;font-size:19px;line-height:1;
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--ink);white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--brand);font-family:var(--num);font-weight:700;letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-right:auto;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--muted);
  border-radius:8px;transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);opacity:.45;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);width:32px;opacity:1;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--white);border-radius:var(--pill);color:var(--muted);
  cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}
.hamburger{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:var(--white);
  border-radius:12px;cursor:pointer;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);border:1.5px solid transparent;
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(200,57,46,.95);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--teal);color:var(--teal);background:var(--white);}
.btn-outline:hover{background:var(--teal-soft);transform:translateY(-2px);}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--brand);height:auto;padding:0;font-weight:600;}
.btn-ghost i{transition:transform .2s var(--ease);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn:disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--pill);
  font-size:12px;letter-spacing:.05em;font-weight:600;line-height:1.6;
}
.pill-brand{background:var(--brand-soft);color:var(--brand);}
.pill-teal{background:var(--teal-soft);color:var(--teal);}
.pill-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);}
.dot{width:8px;height:8px;border-radius:50%;background:var(--yellow);display:inline-block;}

/* ---------- Hero（全宽背景图） ---------- */
.hero-full{
  position:relative;color:#fff;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:72px 0 64px;
}
.hero-full::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(20,23,26,.94) 0%,rgba(20,23,26,.84) 46%,rgba(20,23,26,.58) 100%);
}
.hero-full::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,57,46,.42) 0%,rgba(200,57,46,0) 68%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.crumbs{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.72);transition:color .2s var(--ease);}
.crumbs a:hover{color:#fff;}
.crumbs span[aria-hidden]{opacity:.6;}
.hero-full h1{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:.01em;margin:16px 0 18px;
  text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.hero-lead{font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.2);
}
.hero-stats .num{font-family:var(--num);font-size:30px;font-weight:700;line-height:1;color:#fff;display:block;}
.hero-stats .num small{font-size:15px;font-weight:600;margin-left:2px;}
.hero-stats .stat-label{display:block;margin-top:8px;font-size:12px;letter-spacing:.05em;color:rgba(255,255,255,.7);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);margin:12px 0 14px;}
.section-head p{color:var(--muted);font-size:16px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{font-family:var(--num);font-size:13px;letter-spacing:.14em;color:var(--brand);font-weight:600;text-transform:uppercase;}

/* ---------- 对照表 ---------- */
.compare{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.compare-head{display:grid;grid-template-columns:1.05fr 1fr 1fr 1fr;background:var(--ink);color:#fff;}
.compare-head .compare-cell{font-weight:600;font-size:15px;color:#fff;border-left:1px solid rgba(255,255,255,.12);}
.compare-head .compare-cell:first-child{border-left:0;color:rgba(255,255,255,.7);}
.compare-row{display:grid;grid-template-columns:1.05fr 1fr 1fr 1fr;border-top:1px solid var(--line);transition:background .2s var(--ease);}
.compare-row:hover{background:#FBFAF8;}
.compare-cell{padding:18px 20px;font-size:15px;color:var(--text);border-left:1px solid var(--line);display:flex;align-items:center;}
.compare-cell:first-child{border-left:0;}
.compare-cell--label{font-weight:600;color:var(--ink);background:#FCFBF9;}
.compare-row:last-child{border-bottom:0;}
.m-label{display:none;}
.cell-ok{color:var(--teal);font-weight:600;}
.cell-note{color:var(--muted);font-size:14px;}

/* ---------- 获取安装包 ---------- */
.package-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field .hint{font-size:13px;color:var(--muted);}
.field input,.field select{
  height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FCFBF9;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder{color:#A9A6A1;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(200,57,46,.14);
}
.field.has-error input{border-color:var(--error);}
.field.has-error .hint{color:var(--error);}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;}
.form-tip{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);
  background:var(--teal-soft);color:var(--teal);font-size:14px;border-left:3px solid var(--teal);
}
.form-tip.is-visible{display:block;}
.cover-box{border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.cover-box img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.qr-row{display:flex;align-items:center;gap:18px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line);}
.qr{
  width:120px;height:120px;flex:0 0 auto;border:1px dashed var(--line);border-radius:12px;background:#FCFBF9;
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;text-align:center;
  padding:10px;line-height:1.5;position:relative;
}
.qr::after{
  content:"";position:absolute;right:-6px;top:-6px;width:14px;height:14px;border-radius:50%;
  background:var(--yellow);border:2px solid #fff;
}
.tick-list{margin-top:18px;}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);padding:7px 0;}
.tick-list i{color:var(--teal);margin-top:5px;font-size:12px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);margin-bottom:14px;overflow:hidden;transition:box-shadow .2s var(--ease);}
.faq-item:hover{box-shadow:var(--shadow-1);}
.faq-item.is-open{box-shadow:var(--shadow-2);border-color:#DCD7D0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .sign{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;background:var(--bg);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-q .sign{background:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--ease);}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.8;border-top:1px solid var(--line);padding-top:18px;}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.news-head h2{font-size:30px;font-weight:700;color:var(--ink);}
.news-list{border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:24px;
  padding:20px 16px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),padding .2s var(--ease);
}
.news-item:hover{background:var(--bg);padding-left:22px;}
.news-item .title{font-size:16px;font-weight:600;color:var(--ink);}
.news-item .title i{color:var(--brand);margin-right:8px;font-size:13px;}
.news-item .tag{font-size:12px;letter-spacing:.05em;padding:4px 12px;border-radius:var(--pill);background:var(--teal-soft);color:var(--teal);font-weight:600;white-space:nowrap;}
.news-item .time{font-family:var(--num);font-size:15px;color:var(--muted);letter-spacing:.04em;white-space:nowrap;}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:72px 0;}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-back{margin-top:18px;display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.72);font-size:14px;}
.cta-back:hover{color:#fff;}
.cta-back i{font-size:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#E8E6E3;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text em{color:var(--yellow);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(232,230,227,.66);max-width:320px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;font-size:14px;color:rgba(232,230,227,.72);}
.footer-links a{transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(232,230,227,.6);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(232,230,227,.72);transition:color .2s var(--ease);}
.to-top:hover{color:var(--brand);}
.to-top i{font-size:12px;}

/* ---------- 抽屉导航 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,23,26,.45);opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);z-index:70;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--white);z-index:80;
  transform:translateX(102%);transition:transform .24s var(--ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  box-shadow:-18px 0 40px -24px rgba(20,23,26,.5);
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open .drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{
  padding:13px 14px;border-radius:12px;font-size:16px;color:var(--ink);font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-links a:hover,.drawer-links a.is-active{background:var(--brand-soft);color:var(--brand);}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.8;}

/* ---------- 移动端固定下载条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:65;height:56px;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;padding-bottom:env(safe-area-inset-bottom);
  background:var(--ink);color:#fff;transform:translateY(120%);transition:transform .24s var(--ease);
  box-shadow:0 -10px 24px -18px rgba(20,23,26,.8);
}
.mobile-bar.is-visible{transform:translateY(0);}
.mobile-bar .bar-text{font-size:13px;color:rgba(255,255,255,.82);display:flex;align-items:center;gap:8px;}
.mobile-bar .bar-text i{color:var(--yellow);}
.mobile-bar .btn{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{gap:0;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .package-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:72px 0;}
  .hero-full{padding:56px 0 56px;}
  .hero-full h1{font-size:34px;}
}
@media (max-width:860px){
  .nav-links,.nav-search{display:none;}
  .hamburger{display:inline-flex;}
  .mobile-bar{display:flex;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-head h2,.news-head h2,.cta-band h2{font-size:24px;}
  .hero-full h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px;}
  .hero-stats .num{font-size:26px;}
  .compare{background:transparent;border:0;box-shadow:none;display:grid;gap:16px;}
  .compare-head{display:none;}
  .compare-row{display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
  .compare-row + .compare-row{border-top:1px solid var(--line);}
  .compare-cell{border-left:0;border-top:1px solid var(--line);display:block;padding:14px 18px;font-size:15px;}
  .compare-cell:first-child{border-top:0;background:#FCFBF9;font-weight:700;color:var(--ink);}
  .m-label{display:block;font-size:12px;letter-spacing:.05em;color:var(--brand);font-weight:600;margin-bottom:2px;font-family:var(--num);}
  .form-grid{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;gap:8px;padding:18px 8px;}
  .news-item:hover{padding-left:8px;}
  .news-item .time{font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-desc{max-width:none;}
  .qr-row{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .hero-cta .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;}
  .btn-ghost{width:auto;}
}
@media (max-width:480px){
  .container{padding:0 18px;}
  .hero-full{padding:40px 0 44px;}
  .hero-full h1{font-size:25px;}
  .hero-stats{grid-template-columns:1fr;}
  .card{padding:22px;}
  .faq-q{padding:14px 16px;font-size:15px;}
  .faq-a-inner{padding:16px;}
  .logo-text{font-size:15px;}
  .mobile-bar .bar-text{font-size:12px;}
}