/* ============================================================
   铭万通讯 · AI智能体400电话  原创设计系统 v1.0
   主色调：铭万红  设计母题：号码即入口 / 声波轨道
   ============================================================ */
:root{
  --red:#b0172a;            /* 铭万红 */
  --red-deep:#7e0f1e;       /* 深红 */
  --red-bright:#e0393f;     /* 亮红（强调/涨势） */
  --red-tint:#fbeeed;       /* 红晕底 */
  --ink:#231a18;            /* 墨色 */
  --ink-soft:#5c4f4b;       /* 次级文字 */
  --ink-faint:#8d7f7a;      /* 弱文字 */
  --paper:#faf6f2;          /* 暖纸底 */
  --card:#ffffff;
  --line:#e9ddd6;           /* 发丝线 */
  --gold:#c99a45;           /* 点缀金 */
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(126,15,30,.18);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--ink);background:var(--paper);
  line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--red-deep);color:#f6e3e0;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:16px}
.topbar strong{color:#fff;font-weight:600}
.topbar a{color:#ffd9d2;border-bottom:1px dotted rgba(255,217,210,.6)}
@media(max-width:640px){.topbar .hide-s{display:none}}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(250,246,242,.92);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.header-in{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:44px;height:44px;border-radius:12px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--red) 0%,var(--red-deep) 100%);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);
}
.logo-mark svg{width:24px;height:24px}
.logo-text b{font-size:19px;letter-spacing:.06em;display:block;line-height:1.25}
.logo-text span{font-size:11px;color:var(--ink-faint);letter-spacing:.22em}
.main-nav{display:flex;gap:2px;margin-left:auto;flex-shrink:0}
.main-nav>li{position:relative}
.main-nav>li>a{
  display:flex;align-items:center;gap:5px;padding:8px 13px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink);transition:.2s;white-space:nowrap;
}
.main-nav>li>a:hover,.main-nav>li>a.active{color:var(--red);background:var(--red-tint)}
.main-nav .caret{font-size:10px;opacity:.55;transition:.2s}
.main-nav>li:hover .caret{transform:rotate(180deg)}
.subnav{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(6px);
  min-width:200px;background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transition:.22s;
}
.main-nav>li:hover .subnav{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.subnav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:14.5px;transition:.15s}
.subnav a:hover{background:var(--red-tint);color:var(--red)}
.subnav i{font-style:normal;font-size:11px;color:var(--red);font-weight:700;min-width:20px}
.header-cta{
  flex-shrink:0;display:flex;align-items:center;gap:10px;background:var(--red);color:#fff;
  padding:10px 18px;border-radius:999px;font-weight:700;font-size:15px;box-shadow:var(--shadow);transition:.2s;
}
.header-cta:hover{background:var(--red-deep);transform:translateY(-1px)}
.header-cta svg{width:17px;height:17px}
.nav-toggle{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(168deg,#fff 0%,var(--paper) 45%,#f7ece7 100%)}
.hero::before{ /* 声波母题 */
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    radial-gradient(720px 380px at 85% 8%,rgba(176,23,42,.10),transparent 62%),
    radial-gradient(520px 300px at 4% 92%,rgba(201,154,69,.10),transparent 60%);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;
  padding:76px 0 88px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:7px 16px;font-size:13.5px;font-weight:600;color:var(--red);
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--red-bright);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(224,57,63,.45)}55%{box-shadow:0 0 0 7px rgba(224,57,63,0)}}
.hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.28;font-weight:800;margin:20px 0 8px;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--red);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:var(--red-tint);z-index:-1;border-radius:3px}
.hero-sub{font-size:17px;color:var(--ink-soft);max-width:560px;margin-top:12px}
.hero-num{
  margin:30px 0 6px;display:inline-flex;align-items:baseline;gap:12px;
  font-size:clamp(34px,5vw,54px);font-weight:900;color:var(--red);letter-spacing:.04em;
}
.hero-num small{font-size:14px;font-weight:600;color:var(--ink-faint);letter-spacing:.3em}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:12px;
  font-weight:700;font-size:16px;transition:.2s;border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--red);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--red-deep);transform:translateY(-2px)}
.btn-ghost{background:var(--card);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--red);color:var(--red)}
.btn svg{width:17px;height:17px}

/* Hero 右侧：号码卡片 */
.hero-visual{position:relative}
.dial-card{
  background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);
  padding:30px 30px 26px;position:relative;overflow:hidden;
}
.dial-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:repeating-linear-gradient(90deg,var(--red) 0 14px,transparent 14px 22px,var(--gold) 22px 26px,transparent 26px 36px);
}
.dial-label{font-size:12.5px;letter-spacing:.28em;color:var(--ink-faint);font-weight:600}
.dial-display{font-size:40px;font-weight:900;color:var(--ink);letter-spacing:.06em;margin:8px 0 2px}
.dial-display b{color:var(--red)}
.wave{display:flex;align-items:flex-end;gap:4px;height:44px;margin:18px 0 6px}
.wave i{
  flex:1;background:linear-gradient(180deg,var(--red-bright),var(--red));border-radius:3px 3px 0 0;
  animation:wave 1.15s ease-in-out infinite;transform-origin:bottom;opacity:.88;
}
@keyframes wave{0%,100%{transform:scaleY(.32)}50%{transform:scaleY(1)}}
.wave i:nth-child(odd){animation-delay:.18s}
.wave i:nth-child(3n){animation-delay:.36s}
.dial-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.dial-meta div{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px 14px}
.dial-meta b{display:block;font-size:15px;color:var(--red)}
.dial-meta span{font-size:12.5px;color:var(--ink-faint)}
.hero-badge-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.hero-badge-row span{font-size:12.5px;background:var(--red-tint);color:var(--red);padding:5px 12px;border-radius:999px;font-weight:600}

/* ---------- 跑马灯关键词轨道 ---------- */
.ticker{background:var(--red-deep);color:#f3d9d4;overflow:hidden;white-space:nowrap}
.ticker-track{display:inline-flex;gap:0;animation:tick 34s linear infinite;padding:11px 0}
.ticker-track span{display:inline-flex;align-items:center;gap:26px;padding:0 13px;font-size:13.5px;letter-spacing:.12em}
.ticker-track span::after{content:"·";color:var(--gold);font-weight:900}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- 区块通用 ---------- */
.section{padding:84px 0}
.section.tint{background:#fff}
.section-head{max-width:720px;margin:0 auto 52px;text-align:center}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;color:var(--red);font-weight:800;
  font-size:13px;letter-spacing:.3em;text-transform:uppercase;
}
.section-kicker::before,.section-kicker::after{content:"";width:26px;height:1.5px;background:var(--red);opacity:.4}
.section-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;margin-top:14px;line-height:1.35}
.section-head p{color:var(--ink-soft);margin-top:12px;font-size:16.5px}
.section-no{
  position:absolute;font-size:120px;font-weight:900;color:transparent;
  -webkit-text-stroke:1.5px rgba(176,23,42,.14);line-height:1;pointer-events:none;user-select:none;
}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--red);color:#fff;position:relative;overflow:hidden}
.stat-band::after{
  content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;
  background:repeating-linear-gradient(115deg,transparent 0 44px,rgba(255,255,255,.5) 44px 45px);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.18)}
.stat-cell{background:var(--red);padding:34px 26px;text-align:center;position:relative;z-index:1}
.stat-cell b{font-size:clamp(28px,3vw,40px);font-weight:900;display:block;line-height:1.2}
.stat-cell b i{font-style:normal;font-size:.55em;font-weight:700;margin-left:3px}
.stat-cell span{font-size:14px;opacity:.85;letter-spacing:.1em}

/* ---------- 三列特性卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:.25s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(176,23,42,.35)}
.card-no{font-size:13px;font-weight:800;color:var(--red);letter-spacing:.18em;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.card-no::after{content:"";flex:1;height:1px;background:var(--line)}
.card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--ink-soft)}
.card .go{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--red)}
.card .go:hover{gap:10px}
.card .go{transition:.2s}

/* ---------- 流程轨道（编号竖轨） ---------- */
.flow{position:relative;max-width:860px;margin:0 auto}
.flow::before{content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;background:linear-gradient(var(--red),var(--gold))}
.flow-item{display:grid;grid-template-columns:56px 1fr;gap:22px;padding:0 0 34px;position:relative}
.flow-item:last-child{padding-bottom:0}
.flow-dot{
  width:56px;height:56px;border-radius:50%;background:var(--card);border:2px solid var(--red);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:19px;color:var(--red);
  box-shadow:0 0 0 6px var(--paper);z-index:1;
}
.flow-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px}
.flow-body h3{font-size:18px;font-weight:800;margin-bottom:6px}
.flow-body h3 span{color:var(--red);margin-right:8px;font-size:15px}
.flow-body p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- 套餐卡 ---------- */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:860px;margin:0 auto}
.plan{
  background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px 34px;
  position:relative;transition:.25s;display:flex;flex-direction:column;
}
.plan:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.plan.hot{border:2px solid var(--red);background:linear-gradient(180deg,#fffdfb,#fdf3f1)}
.plan-flag{
  position:absolute;top:-14px;left:32px;background:var(--red);color:#fff;font-size:12.5px;
  font-weight:700;padding:5px 15px;border-radius:999px;letter-spacing:.14em;
}
.plan h3{font-size:22px;font-weight:800}
.plan .desc{font-size:14px;color:var(--ink-faint);margin-top:4px}
.plan .price{display:flex;align-items:baseline;gap:6px;margin:20px 0 4px}
.plan .price b{font-size:46px;font-weight:900;color:var(--red)}
.plan .price i{font-style:normal;font-size:20px;font-weight:800;color:var(--red)}
.plan .price small{font-size:14px;color:var(--ink-faint)}
.plan .per{font-size:13px;color:var(--ink-faint)}
.plan ul{margin:22px 0 26px;display:grid;gap:11px}
.plan li{display:flex;gap:10px;font-size:14.5px;align-items:flex-start}
.plan li::before{content:"✓";color:var(--red);font-weight:900;flex-shrink:0}
.plan .btn{justify-content:center;margin-top:auto}
.plan-note{text-align:center;color:var(--ink-faint);font-size:13.5px;margin-top:22px}

/* ---------- 价格对照表 ---------- */
.price-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);font-size:14.5px}
.price-table th{background:var(--red);color:#fff;padding:14px 18px;text-align:left;font-weight:700;letter-spacing:.05em}
.price-table td{padding:13px 18px;border-bottom:1px solid var(--line)}
.price-table tr:last-child td{border-bottom:0}
.price-table tr:nth-child(even) td{background:#fdf9f6}
.price-table td:first-child{font-weight:700;color:var(--red-deep)}

/* ---------- FAQ 折叠 ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-cats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:38px}
.faq-cats a{
  padding:8px 20px;border:1px solid var(--line);border-radius:999px;background:var(--card);
  font-size:14px;font-weight:600;transition:.2s;
}
.faq-cats a:hover,.faq-cats a.active{background:var(--red);color:#fff;border-color:var(--red)}
.faq-cat-title{
  display:flex;align-items:center;gap:14px;margin:40px 0 18px;font-size:20px;font-weight:800;
}
.faq-cat-title::after{content:"";flex:1;height:1px;background:var(--line)}
.faq-cat-title i{
  font-style:normal;background:var(--red);color:#fff;font-size:12.5px;padding:3px 12px;border-radius:999px;font-weight:700;
}
details.faq{
  background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;
  transition:.2s;overflow:hidden;
}
details.faq[open]{border-color:rgba(176,23,42,.4);box-shadow:var(--shadow)}
details.faq summary{
  cursor:pointer;list-style:none;padding:18px 56px 18px 22px;font-weight:700;font-size:16px;
  position:relative;display:flex;align-items:center;gap:12px;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::before{
  content:"Q";flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--red-tint);
  color:var(--red);font-weight:900;font-size:14px;display:flex;align-items:center;justify-content:center;
}
details.faq summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;color:var(--red);font-weight:300;transition:.25s;
}
details.faq[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details.faq .faq-a{padding:0 22px 20px 60px;color:var(--ink-soft);font-size:15px}

/* ---------- 新闻列表 ---------- */
.news-filter{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.news-filter a{
  padding:8px 20px;border:1px solid var(--line);border-radius:999px;background:var(--card);
  font-size:14px;font-weight:600;transition:.2s;
}
.news-filter a:hover{background:var(--red);color:#fff;border-color:var(--red)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  display:flex;flex-direction:column;gap:12px;transition:.25s;position:relative;overflow:hidden;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(176,23,42,.35)}
.news-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--red);
  transform:scaleY(0);transform-origin:top;transition:.25s;
}
.news-card:hover::before{transform:scaleY(1)}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px}
.news-meta .cat{background:var(--red-tint);color:var(--red);font-weight:700;padding:3px 11px;border-radius:999px}
.news-meta time{color:var(--ink-faint)}
.news-card h3{font-size:16.5px;font-weight:800;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:13.5px;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-card .more{font-size:13.5px;font-weight:700;color:var(--red)}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:44px;flex-wrap:wrap}
.pagination a,.pagination span{
  min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:var(--card);font-size:14px;font-weight:600;padding:0 12px;
}
.pagination .cur,.pagination a:hover{background:var(--red);color:#fff;border-color:var(--red)}

/* ---------- 文章页 ---------- */
.article{max-width:820px;margin:0 auto}
.article-head{padding:56px 0 30px;border-bottom:3px solid var(--red);position:relative}
.article-head::after{content:"";position:absolute;bottom:-3px;left:0;width:96px;height:3px;background:var(--gold)}
.article-head h1{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.45;margin-top:16px}
.article-head .meta{display:flex;gap:18px;font-size:13.5px;color:var(--ink-faint);margin-top:16px;flex-wrap:wrap}
.article-body{padding:36px 0 20px;font-size:16.5px;color:#3a302c}
.article-body p{margin-bottom:20px}
.article-body h2{font-size:21px;font-weight:800;margin:34px 0 16px;padding-left:14px;border-left:4px solid var(--red)}
.article-body h3{font-size:18px;font-weight:800;margin:26px 0 12px}
.article-body ul{margin:0 0 20px;padding-left:4px;display:grid;gap:10px}
.article-body ul li{padding-left:20px;position:relative}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:9px;height:9px;border-radius:2px;background:var(--red)}
.article-cta{
  background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;border-radius:var(--radius);
  padding:28px 30px;margin:36px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
}
.article-cta b{font-size:18px}
.article-cta p{font-size:14px;opacity:.85;margin-top:4px}
.article-cta .btn{background:#fff;color:var(--red)}
.article-nav{display:flex;justify-content:space-between;gap:16px;padding:26px 0;border-top:1px solid var(--line);font-size:14.5px;flex-wrap:wrap}
.article-nav a{color:var(--ink-soft)}
.article-nav a:hover{color:var(--red)}
.article-nav b{color:var(--ink-faint);display:block;font-size:12px;margin-bottom:4px;font-weight:600}

/* ---------- 架构总览图 ---------- */
.arch-figure{
  max-width:1160px;margin:0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:12px;box-shadow:var(--shadow);
}
.arch-figure img{width:100%;height:auto;aspect-ratio:1672/941;object-fit:contain;border-radius:10px}
.arch-figure figcaption{
  text-align:center;font-size:13.5px;color:var(--ink-faint);margin-top:14px;letter-spacing:.05em;
}
.arch-figure figcaption b{color:var(--red)}

/* ---------- 分栏标题 + 洞察盒 ---------- */
.split-head{display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:start;margin-bottom:46px}
.split-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.42;margin-top:12px}
.insight-box{background:linear-gradient(135deg,var(--red-deep),var(--red));color:#fff;border-radius:14px;padding:22px 24px;box-shadow:var(--shadow)}
.insight-box b{font-size:12.5px;letter-spacing:.24em;opacity:.85;display:block}
.insight-box p{font-size:14.5px;margin-top:9px;line-height:1.8;opacity:.96}
.pill-tag{display:inline-block;font-size:12.5px;background:var(--red-tint);color:var(--red);padding:5px 14px;border-radius:999px;font-weight:600}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.quote-line{background:var(--paper);border-left:4px solid var(--red);padding:12px 16px;border-radius:0 10px 10px 0;font-weight:700;font-size:14.5px;color:var(--red-deep);margin-top:20px}

/* ---------- 四步链路 chips ---------- */
.chip-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:8px 0 30px}
.chip{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;position:relative}
.chip .no{font-size:12px;color:var(--red);font-weight:800;letter-spacing:.12em}
.chip b{display:block;font-size:16px;margin-top:5px}
.chip::after{content:"→";position:absolute;right:-15px;top:50%;transform:translateY(-50%);color:var(--red);font-weight:900;z-index:1}
.chip:last-child::after{display:none}

/* ---------- 不换号接入双栏 ---------- */
.access-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:stretch}
.access-dark{background:linear-gradient(150deg,var(--red-deep) 0%,var(--red) 100%);color:#fff;border-radius:16px;padding:36px 32px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.access-dark::after{content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.08)}
.access-dark .pill-tag{background:rgba(255,255,255,.18);color:#fff}
.access-dark h3{font-size:25px;font-weight:800;margin:18px 0 12px;position:relative;z-index:1}
.access-dark p{font-size:14.5px;opacity:.93;line-height:1.9;position:relative;z-index:1}
.access-dark ul{margin-top:20px;display:grid;gap:11px;position:relative;z-index:1}
.access-dark li{display:flex;gap:10px;font-size:14.5px;align-items:flex-start}
.access-dark li::before{content:"✓";flex-shrink:0;width:20px;height:20px;border-radius:50%;background:var(--gold);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:900;margin-top:3px}
.link-list{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px}
.link-list h3{font-size:19px;font-weight:800;display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.link-list h3 small{font-size:12.5px;color:var(--ink-faint);font-weight:600;white-space:nowrap}
.link-list ol{margin-top:16px;display:grid;gap:10px;counter-reset:step}
.link-list li{display:grid;grid-template-columns:36px 1fr;gap:13px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:13px 15px;counter-increment:step;align-items:center}
.link-list li::before{content:counter(step);width:36px;height:36px;background:var(--red);color:#fff;border-radius:9px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px}
.link-list li b{font-size:14.5px;display:block;line-height:1.5}
.link-list li span{font-size:13px;color:var(--ink-soft);display:block}

/* ---------- 四列问题卡 ---------- */
.card-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card-grid-4 .card{display:flex;flex-direction:column}
.prob-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.prob-no{width:44px;height:44px;border-radius:11px;background:var(--red);color:#fff;font-weight:900;font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.result-line{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13.5px;font-weight:700;color:var(--red-deep)}
.result-line::before{content:"结果 · ";color:var(--red)}

/* ---------- 客户类型卡 ---------- */
.audience-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.audience-mark{width:42px;height:42px;border-radius:11px;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;box-shadow:var(--shadow)}
.audience-role{font-size:12.5px;color:var(--ink-faint);font-weight:600}
.audience-quote{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);font-weight:800;font-size:15px;color:var(--red-deep)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:13.5px;color:var(--ink-faint)}
.crumbs a:hover{color:var(--red)}
.crumbs i{font-style:normal;margin:0 8px;opacity:.5}

/* ---------- 关于/联系 ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);
}
.contact-card h3{font-size:19px;font-weight:800;margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--red);display:inline-block}
.contact-list{display:grid;gap:16px}
.contact-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px}
.contact-list .ic{
  width:38px;height:38px;border-radius:10px;background:var(--red-tint);color:var(--red);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;
}
.contact-list b{display:block;font-size:13px;color:var(--ink-faint);font-weight:600;letter-spacing:.08em}
.contact-list span a{color:var(--red);font-weight:700}
.map-strip{
  margin-top:26px;background:linear-gradient(135deg,var(--red-deep),var(--red));color:#fff;border-radius:var(--radius);
  padding:22px 26px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
}
.timeline{display:grid;gap:0;max-width:760px}
.timeline-item{display:grid;grid-template-columns:110px 1fr;gap:22px;padding:18px 0;border-bottom:1px dashed var(--line)}
.timeline-item b{color:var(--red);font-weight:800}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.promise{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;text-align:center;transition:.2s;
}
.promise:hover{border-color:var(--red);transform:translateY(-4px);box-shadow:var(--shadow)}
.promise i{font-style:normal;font-size:26px;display:block;margin-bottom:10px}
.promise b{font-size:15.5px;display:block;margin-bottom:5px}
.promise span{font-size:13px;color:var(--ink-faint)}

/* ---------- CTA 大区块 ---------- */
.big-cta{
  background:radial-gradient(700px 340px at 82% 20%,rgba(201,154,69,.22),transparent 60%),linear-gradient(135deg,var(--red-deep),var(--red));
  color:#fff;border-radius:24px;padding:64px 56px;text-align:center;position:relative;overflow:hidden;
}
.big-cta h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.4}
.big-cta p{opacity:.88;margin:14px 0 30px;font-size:16.5px}
.big-cta .num-big{font-size:clamp(34px,4.5vw,52px);font-weight:900;letter-spacing:.05em;display:block;margin-bottom:6px}
.big-cta .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.big-cta .btn-white{background:#fff;color:var(--red)}
.big-cta .btn-white:hover{transform:translateY(-2px)}
.big-cta .btn-line{background:transparent;border:1.5px solid rgba(255,255,255,.65);color:#fff}
.big-cta .btn-line:hover{background:rgba(255,255,255,.12)}

/* ---------- 页脚 ---------- */
.site-footer{background:#201114;color:#c9b3ae;margin-top:96px;font-size:14px}
.footer-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer-in h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:18px;letter-spacing:.08em}
.footer-in ul{display:grid;gap:10px}
.footer-in a:hover{color:#fff}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.9}
.footer-phone{color:#fff;font-size:24px;font-weight:900;letter-spacing:.05em;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#9b817c}
.footer-bottom a:hover{color:#fff}
.icp-link{display:inline-flex;align-items:center;gap:6px}

/* ---------- 悬浮条 ---------- */
.float-bar{
  position:fixed;right:20px;bottom:26px;z-index:90;display:grid;gap:10px;
}
.float-btn{
  width:54px;height:54px;border-radius:50%;background:var(--red);color:#fff;display:flex;
  align-items:center;justify-content:center;box-shadow:var(--shadow);transition:.2s;position:relative;
}
.float-btn:hover{transform:scale(1.08);background:var(--red-deep)}
.float-btn svg{width:24px;height:24px}
.float-btn .tip{
  position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;
  background:var(--ink);color:#fff;font-size:12.5px;padding:6px 12px;border-radius:8px;
  opacity:0;visibility:hidden;transition:.2s;pointer-events:none;
}
.float-btn:hover .tip{opacity:1;visibility:visible}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;padding:56px 0 64px}
  .card-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid-4{grid-template-columns:repeat(2,1fr)}
  .split-head{grid-template-columns:1fr;gap:20px}
  .chip-flow{grid-template-columns:repeat(2,1fr);gap:22px}
  .chip:nth-child(2)::after{display:none}
  .access-grid{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .promise-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr}
  .main-nav{display:none;position:absolute;top:76px;left:0;right:0;background:var(--card);
    flex-direction:column;padding:14px 20px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .main-nav.open{display:flex}
  .subnav{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0 0 0 16px;display:none;min-width:0}
  .main-nav>li:hover .subnav{transform:none}
  .main-nav>li.open .subnav{display:block}
  .main-nav>li>a{padding:12px 8px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-toggle{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);
    border-radius:10px;background:var(--card);cursor:pointer;margin-left:auto}
  .nav-toggle svg{width:20px;height:20px}
}
@media(max-width:640px){
  .section{padding:60px 0}
  .card-grid,.news-grid,.plan-grid{grid-template-columns:1fr}
  .card-grid-4{grid-template-columns:1fr}
  .chip-flow{grid-template-columns:1fr}
  .chip::after{display:none}
  .footer-in{grid-template-columns:1fr;gap:28px}
  .big-cta{padding:44px 26px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .flow{padding-left:0}
  .flow::before{left:23px}
  .flow-item{grid-template-columns:48px 1fr;gap:14px}
  .flow-dot{width:48px;height:48px;font-size:16px}
  .article-body{font-size:15.5px}
  .float-bar{right:12px;bottom:16px}
  .header-cta span.txt{display:none}
  .header-cta{padding:10px 14px}
}