/* ===================================================================
   深圳流量卡办理单页 - 自定义样式（纯手写，零第三方框架依赖）
   主题：蓝青科技风   主色 #0e7490 / 点缀 #22d3ee / 深色 #04222b
   移动优先 · 短类名 · 零境外资源 · 全部文字硬编码在 HTML
   =================================================================== */

/* ---------- 字体：思源黑体 Noto Sans SC（SIL OFL 免费可商用，本地子集化部署） ---------- */
@font-face{font-family:'NotoSansSC';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/noto-sans-sc-400.woff2') format('woff2')}
@font-face{font-family:'NotoSansSC';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/noto-sans-sc-500.woff2') format('woff2')}
@font-face{font-family:'NotoSansSC';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/noto-sans-sc-700.woff2') format('woff2')}
@font-face{font-family:'NotoSansSC';font-style:normal;font-weight:900;font-display:swap;src:url('../fonts/noto-sans-sc-900.woff2') format('woff2')}

/* ---------- 变量 ---------- */
:root{
  --ink:#0b2b33; --ink2:#48646d; --ink3:#5e7a83;
  --brand:#0e7490; --brand-d:#075e75; --brand-l:#e3f2f7;
  --cyan:#22d3ee; --hot:#d8503c;
  --bg:#f5fbfd; --bg2:#eaf6fa; --card:#ffffff;
  --line:#dceef5; --line2:#c6e3ec;
  --deep:#04222b; --deep2:#0a3a4a; --deep3:#0e5a6e;
  --r:14px; --r-s:10px;
  --sh:0 2px 10px rgba(4,34,43,.06);
  --sh-h:0 10px 28px rgba(4,34,43,.13);
  --nav-h:58px;
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:'NotoSansSC','PingFang SC','HarmonyOS Sans SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:16px;line-height:1.7;font-weight:400;
  background-image:
    radial-gradient(1100px 520px at 12% -6%, #e6f6fb 0%, rgba(230,246,251,0) 62%),
    radial-gradient(900px 460px at 92% 3%, #def1f8 0%, rgba(222,241,248,0) 60%);
  background-repeat:no-repeat;
}
img{max-width:100%;height:auto;display:block}
svg{display:block}
a{color:var(--brand-d);text-decoration:none}
a:hover{color:var(--brand)}
h1,h2,h3{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--deep);color:#fff;padding:10px 16px}
.skip:focus{left:8px;top:8px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[id]{scroll-margin-top:calc(var(--nav-h) + 18px)}

/* ---------- 按钮 ---------- */
.btn-a,.btn-b{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s;
}
.btn-a{background:linear-gradient(135deg,#22d3ee,#0e7490);color:#fff;box-shadow:0 6px 18px rgba(14,116,144,.26)}
.btn-a:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,116,144,.32)}
.btn-b{background:transparent;color:var(--brand-d);border-color:var(--line2)}
.btn-b:hover{background:var(--brand-l);color:var(--brand-d)}
.btn-a.big,.btn-b.big{min-height:52px;padding:0 28px;font-size:16px}
.btn-a.full,.btn-b.full{width:100%;margin-top:14px}
.btn-a.sm,.btn-b.sm{min-height:44px;padding:0 16px;font-size:14px}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.93);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:12px;min-height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);flex:0 0 auto}
.brand .logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#22d3ee,#0e7490);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(14,116,144,.28)}
.brand .logo svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand .btxt{display:flex;flex-direction:column;font-weight:700;font-size:15px;line-height:1.2}
.brand .btxt em{font-style:normal;font-size:11.5px;font-weight:500;color:var(--ink2)}
.nav .menu{display:none;margin-left:auto;gap:2px}
.nav .menu a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:8px;color:var(--ink);font-size:15px;font-weight:500}
.nav .menu a:hover{background:var(--brand-l);color:var(--brand-d)}
.nav .nact{margin-left:auto}
.nav .nact .btn-a{min-height:44px;padding:0 18px;font-size:14px}
.nav .burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);cursor:pointer}
.nav .burger svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.mMenu{display:grid;gap:2px;padding:8px 16px 14px;border-bottom:1px solid var(--line);background:#fff}
.mMenu[hidden]{display:none}
.mMenu a{display:flex;align-items:center;min-height:46px;padding:0 8px;border-radius:8px;color:var(--ink);font-size:15px;font-weight:500}
.mMenu a:hover{background:var(--brand-l)}
.mMenu .btn-a{margin-top:8px;color:#fff}

/* ---------- 首屏 Hero ---------- */
.hero{position:relative;overflow:hidden;color:#dff2f8;background:linear-gradient(150deg,#04222b 0%,#0a3a4a 48%,#0e5a6e 100%)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 78% 16%,rgba(34,211,238,.20),rgba(34,211,238,0) 70%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px}
.hero .wrap{position:relative;z-index:1;display:grid;gap:30px;padding-top:36px;padding-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:7px;margin-bottom:14px;padding:6px 13px;border:1px solid rgba(34,211,238,.42);border-radius:999px;background:rgba(34,211,238,.10);color:#9fe4f4;font-size:13px;font-weight:500}
.eyebrow svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.hero h1{font-size:30px;font-weight:900;color:#fff;letter-spacing:-.02em}
.hero .sub{margin-top:14px;font-size:16px;color:#c3e4ee;max-width:34em}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero .cta .btn-b{color:#eaf8fc;border-color:rgba(255,255,255,.34)}
.hero .cta .btn-b:hover{background:rgba(255,255,255,.12);color:#fff}
.nums{display:grid;grid-template-columns:repeat(3,1fr);margin-top:28px;max-width:460px;border:1px solid rgba(255,255,255,.14);border-radius:var(--r-s);overflow:hidden}
.nums li{padding:12px 10px;background:rgba(255,255,255,.05);text-align:center}
.nums li+li{border-left:1px solid rgba(255,255,255,.14)}
.nums b{display:block;font-size:22px;font-weight:900;color:var(--cyan);line-height:1.2}
.nums span{font-size:12.5px;color:#a9cdd8}
.hero .tip{margin-top:16px;font-size:12.5px;color:#8fb9c6;max-width:36em}

/* 配送覆盖面板 */
.cover{position:relative;border-radius:18px;padding:20px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(6px);box-shadow:0 18px 44px rgba(0,0,0,.28)}
.cv-hd{display:flex;align-items:center;gap:8px;color:#9fe4f4;font-size:14.5px;font-weight:700}
.cv-hd svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.dlist{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:16px}
.dlist li{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:8px 11px;border-radius:9px;background:rgba(255,255,255,.05);font-size:13.5px}
.dlist b{color:#fff;font-weight:700}
.dlist span{flex:0 0 auto;padding:2px 8px;border-radius:999px;background:rgba(34,211,238,.16);color:#9fe4f4;font-size:11.5px;font-weight:700}
.cv-ft{margin-top:14px;padding-top:12px;border-top:1px dashed rgba(255,255,255,.16);font-size:12.5px;color:#8fb9c6}

/* ---------- 通用区块 ---------- */
.sec{padding:44px 0}
.hero-l,.hero-r{min-width:0}
.sh{font-size:23px;font-weight:900;color:var(--ink)}
.sd{margin-top:10px;font-size:15px;color:var(--ink2);max-width:46em}
.sec .sh+.sd{margin-bottom:26px}
.grid{display:grid;gap:16px}

/* ---------- 核心优势 ---------- */
.adv{background:linear-gradient(180deg,#f7fcfe,#f5fbfd)}
.adv-c{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s}
.adv-c:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.adv-c .ico{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:13px;background:var(--brand-l);color:var(--brand-d);margin-bottom:14px}
.adv-c .ico svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.adv-c h3{font-size:17px;margin-bottom:8px}
.adv-c p{font-size:14.5px;color:var(--ink2)}

/* ---------- 套餐卡片 ---------- */
.plans{background:var(--bg2)}
.pgrid{display:grid;gap:16px}
/* 筛选隐藏后 grid 自动重排；[hidden] 需显式覆盖 .pcard 的 display:flex */
.pcard[hidden]{display:none}
/* 主图封面：运营商素材为 800×700，裁 16:9 展示并留出加载底色 */
.pcover{position:relative;margin:-20px -20px 14px;border-radius:13px 13px 0 0;overflow:hidden;background:linear-gradient(135deg,#e8f5fa,#dcecf4)}
.pcover img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center top;display:block}

/* 运营商筛选器 */
.fbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.fpill{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line2);background:#fff;color:var(--ink);font-size:14.5px;font-weight:500;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s}
.fpill i{font-style:normal;font-size:12px;font-weight:700;color:var(--ink3);background:var(--bg2);border-radius:999px;padding:1px 7px;transition:background .18s,color .18s}
.fpill:hover{border-color:var(--brand);color:var(--brand-d)}
.fpill.on{background:linear-gradient(135deg,#22d3ee,#0e7490);border-color:transparent;color:#fff;box-shadow:0 4px 14px rgba(14,116,144,.24)}
.fpill.on i{color:#fff;background:rgba(255,255,255,.22)}
.pcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.pcard.pick{border-color:var(--brand);box-shadow:0 8px 26px rgba(14,116,144,.16)}
.phead{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}
.op{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:6px;font-size:12.5px;font-weight:700;color:#fff}
.op-gd{background:#0e7490} .op-lt{background:#c0392b} .op-dx{background:#1e6fbf} .op-yd{background:#0f8a6a}
.tag{padding:3px 10px;border-radius:999px;background:var(--brand-l);color:var(--brand-d);font-size:12px;font-weight:700}
.tag.hot{background:#fdeceb;color:var(--hot)}
.ptitle{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap}
.pcard h3{font-size:18px}
.price{display:flex;align-items:baseline;gap:3px;color:var(--brand-d)}
.price em{font-style:normal;font-size:16px;font-weight:700}
.price b{font-size:34px;font-weight:900;line-height:1;letter-spacing:-.02em}
.price span{font-size:13px;color:var(--ink2)}
/* 卡片窄（3 列网格），参数单列一行 key-value 最易读 */
.pspec{display:grid;grid-template-columns:1fr;margin-top:16px;border-top:1px solid var(--line)}
.pspec li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.pspec span{color:var(--ink2);flex:0 0 auto}
.pspec b{font-weight:700;text-align:right}
.pnote{margin-top:12px;font-size:12.5px;color:var(--ink3);line-height:1.65}
.pcard .btn-a{margin-top:auto}

/* ---------- 对比表 ---------- */
.cmp{background:var(--bg)}
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--r);background:var(--card);box-shadow:var(--sh)}
.tbl{width:100%;min-width:920px;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl thead th{background:var(--brand-l);color:var(--brand-d);font-size:13.5px;font-weight:700;white-space:nowrap}
.tbl tbody th{width:11%;color:var(--ink2);font-weight:500;background:#fbfdfe;white-space:nowrap}
.tbl tbody tr:last-child th,.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:hover td{background:#f7fcfe}
.tbl tbody tr:hover th{background:#f2fafc}
.tnote{margin-top:12px;font-size:12.5px;color:var(--ink3)}
.tswipe{display:none;margin-bottom:10px;font-size:13px;color:var(--ink2)}
@media (max-width:767.98px){.tswipe{display:block}}

/* ---------- 本地化 ---------- */
.loc{background:var(--card)}
.loc h3{margin-top:26px;font-size:17px;color:var(--brand-d)}
.loc h3:first-of-type{margin-top:0}
/* 段落铺满容器宽度；行高 1.85 缓解长行阅读疲劳 */
.loc p{margin-top:10px;font-size:15px;color:var(--ink2);line-height:1.85}
.dtags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding-top:20px;border-top:1px dashed var(--line2)}
.dtags li{padding:6px 14px;border:1px solid var(--line2);border-radius:999px;background:var(--bg2);color:var(--brand-d);font-size:13.5px;font-weight:500}

/* ---------- 办理流程 ---------- */
.proc{background:linear-gradient(150deg,#04222b 0%,#0a3a4a 60%,#0e5a6e 100%);color:#c3e4ee}
.proc .sh{color:#fff} .proc .sd{color:#a9cdd8}
.steps{display:grid;gap:14px;counter-reset:step}
.steps li{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:20px}
.steps .sn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#22d3ee,#0e7490);color:#fff;font-size:15px;font-weight:900;margin-bottom:12px}
.steps h3{font-size:17px;color:#fff}
.steps p{margin-top:8px;font-size:14.5px;color:#bcdfe9}
.stime{display:inline-block;margin-top:12px;padding:3px 10px;border-radius:999px;background:rgba(34,211,238,.16);color:#9fe4f4;font-size:12.5px;font-weight:700}

/* ---------- 合规 ---------- */
.comp{background:var(--bg2)}
.cbox{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--r);padding:22px 20px;box-shadow:var(--sh)}
.crow{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.crow:first-child{padding-top:0}
.crow:last-child{padding-bottom:0;border-bottom:0}
.cico{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:11px;background:var(--brand-l);color:var(--brand-d)}
.cico svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.crow h3{font-size:16px;color:var(--ink)}
.crow p{margin-top:6px;font-size:14.5px;color:var(--ink2)}

/* ---------- FAQ ---------- */
.faq{background:linear-gradient(180deg,#f5fbfd,#eaf6fa)}
.faq-list{display:grid;gap:10px;width:100%}
@media (min-width:768px){
  .faq-list{grid-template-columns:1fr 1fr;align-items:start}
}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-s);overflow:hidden;transition:border-color .18s,box-shadow .18s}
.faq details[open]{border-color:var(--line2);box-shadow:var(--sh)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:13px 18px;cursor:pointer;font-size:15.5px;font-weight:700;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-d)}
.fic{position:relative;flex:0 0 auto;width:18px;height:18px}
.fic::before,.fic::after{content:"";position:absolute;left:0;top:8px;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s}
.fic::after{transform:rotate(90deg)}
.faq details[open] .fic::after{transform:rotate(180deg)}
.faq details[open] summary{color:var(--brand-d)}
.fa{padding:0 18px 18px}
.fa p{font-size:14.5px;color:var(--ink2)}

/* ---------- 用户评价（单行横滚） ---------- */
.rev{background:var(--bg2)}
.rrow{display:flex;align-items:center;gap:10px}
.rnav{display:none;flex:0 0 auto;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line2);background:#fff;color:var(--brand-d);cursor:pointer;box-shadow:var(--sh);transition:background .18s,transform .18s}
.rnav:hover{background:var(--brand-l);transform:scale(1.06)}
.rnav svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
@media (min-width:768px){.rnav{display:inline-flex}}
.rscroll{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--line2) transparent;padding:4px 2px 10px}
.rscroll::-webkit-scrollbar{height:6px}
.rscroll::-webkit-scrollbar-thumb{background:var(--line2);border-radius:999px}
.rscroll::-webkit-scrollbar-track{background:transparent}
.rc{flex:0 0 288px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh)}
@media (min-width:768px){.rc{flex:0 0 320px}}
.rswipe{display:none;margin-top:2px;font-size:12.5px;color:var(--ink3)}
@media (max-width:767.98px){.rswipe{display:block}}
.rh{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.rn{font-size:15px;font-weight:700}
.rd{font-size:12.5px;color:var(--ink3)}
.rstars{display:flex;gap:3px;margin-top:8px}
.rstars svg{width:15px;height:15px}
.rstars svg path{fill:#f0a500}
.rstars .star-o path{fill:#e4ecf0}
.rstars .star-half path{fill:#f0a500}
.rt{margin-top:12px;font-size:14.5px;color:var(--ink2)}

/* ---------- 最新动态 ---------- */
.news{background:linear-gradient(180deg,#eaf6fa,#f5fbfd)}
.nlist{display:grid;gap:12px}
.nlist li{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-s);padding:16px 18px;box-shadow:var(--sh)}
.nlist time{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--brand-d);background:var(--brand-l);padding:3px 9px;border-radius:6px}
.nlist p{font-size:14.5px;color:var(--ink2)}

/* ---------- 延伸阅读 ---------- */
.links{background:var(--bg)}
.lc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.lc:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.lico{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--brand-l);color:var(--brand-d);margin-bottom:14px}
.lico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.lc h3{font-size:16px}
.lc p{margin-top:10px;font-size:14.5px;color:var(--ink2);flex:1}
.lc a{margin-top:14px;align-self:flex-start;display:inline-flex;align-items:center;min-height:44px;color:var(--brand-d);font-weight:700;font-size:14.5px}
.lc a::after{content:"";width:7px;height:7px;margin-left:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:margin-left .18s}
.lc a:hover::after{margin-left:12px}

/* ---------- 页脚 ---------- */
.foot{background:linear-gradient(180deg,#04222b,#062f3b);color:#a9cdd8;padding:40px 0 96px}
.fgrid{display:grid;gap:26px}
.fh{font-size:15px;font-weight:700;color:#fff;margin-bottom:12px}
.fc p{font-size:13.5px;line-height:1.8}
.fbeian{margin-top:12px}
.fbeian a{color:#9fe4f4}
.fl li a{display:flex;align-items:center;min-height:38px;font-size:13.5px;color:#a9cdd8}
.fl li a:hover{color:#9fe4f4}
.fwx{font-size:13.5px}
.fwx b{color:#fff;font-size:15px;letter-spacing:.04em}
.foot .btn-b{color:#eaf8fc;border-color:rgba(255,255,255,.3);margin-top:10px}
.foot .btn-b:hover{background:rgba(255,255,255,.1);color:#fff}
.fqr{margin-top:14px;width:132px;height:132px;border-radius:10px;background:#fff;padding:6px}
.fsmall{margin-top:10px;font-size:12.5px;color:#7fa5b2}
.fdis{margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
.fdis p{font-size:12.5px;color:#8fb9c6;line-height:1.85}
.fcopy{margin-top:20px;font-size:12.5px;color:#7fa5b2;text-align:center}

/* ---------- 悬浮 / 底部条 / 提示 ---------- */
.side{display:none}
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.mbar a,.mbar button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:52px;border:0;background:transparent;color:var(--ink2);font-size:12px;cursor:pointer}
.mbar svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.mbar .mb-buy{background:linear-gradient(135deg,#22d3ee,#0e7490);color:#fff}
.mb-top{color:var(--brand-d)}
.tst{position:fixed;left:50%;bottom:88px;transform:translate(-50%,12px);z-index:150;padding:10px 18px;border-radius:999px;background:var(--deep);color:#fff;font-size:14px;opacity:0;pointer-events:none;transition:opacity .22s,transform .22s}
.tst.on{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式：≥576 ---------- */
@media (min-width:576px){
  .hero h1{font-size:36px}
  .sh{font-size:26px}
  .grid.g4,.grid.g3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .nlist{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:repeat(2,1fr)}
}

/* ---------- 响应式：≥768 ---------- */
@media (min-width:768px){
  .wrap{padding:0 24px}
  .sec{padding:60px 0}
  .hero .wrap{padding-top:56px;padding-bottom:64px;gap:40px}
  .hero h1{font-size:42px}
  .hero .sub{font-size:17px}
  .sh{font-size:30px}
  .grid.g4{grid-template-columns:repeat(4,1fr)}
  .grid.g3{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(4,1fr)}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .mbar{display:none}
  /* 流程连接线（gap 14px 中居中） */
  .steps li+li::before{content:"";position:absolute;left:-12px;top:40px;width:10px;border-top:2px dashed rgba(34,211,238,.5)}
  .foot{padding-bottom:56px}
}

/* ---------- 响应式：≥992 ---------- */
@media (min-width:992px){
  .nav .menu{display:flex}
  .nav .burger{display:none}
  .mMenu{display:none !important}
  .nact{margin-left:12px}
  .hero .wrap{grid-template-columns:1.12fr .88fr;align-items:center}
  /* 套餐 15 款：宽屏用 3 列，避免 2 列拉出 8 行过长 */
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .side{display:flex;flex-direction:column;gap:10px;position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:95}
  .side .si{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;width:70px;height:70px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.96);color:var(--brand-d);cursor:pointer;box-shadow:var(--sh);font-family:inherit}
  .side .si svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
  .side .si em{font-style:normal;font-size:11px;line-height:1.2;white-space:nowrap}
  .side .si:hover{background:var(--brand-l);color:var(--brand-d)}
  .side .si.top{display:none}
  .side .si.top.on{display:flex}
  .foot{padding-bottom:56px}
}

/* 悬浮栏避让：992–1439px 时右侧预留空间 */
@media (min-width:992px) and (max-width:1439.98px){
  .hero .wrap,.sec .wrap,.foot .wrap{padding-right:104px}
}

/* ---------- 响应式：≥1200 ---------- */
@media (min-width:1200px){
  .hero h1{font-size:48px}
  .fgrid{grid-template-columns:1.5fr .8fr 1fr .8fr}
}

/* ---------- 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}
::selection{background:#22d3ee;color:#04222b}

/* ---------- 打印样式（深色区块文字强制转黑，否则白纸白字不可见） ---------- */
@media print{
  .side,.mbar,.nav,.tst,.tswipe{display:none !important}
  .hero,.proc,.foot{background:#fff !important;color:#000 !important}
  .hero::before,.hero::after{display:none !important}
  .hero h1,.hero .sub,.hero .tip,.eyebrow,.cv-hd,.dlist b,.cv-ft,.nums b,.nums span,
  .proc .sh,.proc .sd,.steps h3,.steps p,.stime,
  .fh,.fc p,.fbeian,.fl li a,.fwx,.fwx b,.fsmall,.fdis p,.fcopy{color:#000 !important}
  .btn-a,.btn-b,.sn,.stime,.op,.tag{background:#f0f0f0 !important;border:1px solid #999 !important;box-shadow:none !important}
  .cover,.steps li,.cbox{background:#fff !important;border:1px solid #bbb !important}
  .tbl th,.tbl td{border:1px solid #999 !important}
  .tbl thead th{background:#eee !important}
  .tbl tbody th{background:#f7f7f7 !important}
  a{color:#000 !important;text-decoration:underline}
  .sec{padding:20px 0}
  details{border:1px solid #ccc !important}
  details:not([open])>*:not(summary){display:none}
}