/* =========================================================
   海豹陪护陪诊 · 单页官网样式
   设计规范来源：t2 设计稿（版式 / 配色 / 字号已 1:1 落地）
   ========================================================= */

:root{
  --ink:#16211E;
  --ink-2:#4A5754;
  --muted:#7C8A86;
  --primary:#0F5F8C;
  --primary-d:#0A4668;
  --primary-s:#E8F1F6;
  --paper:#FAFAF8;
  --line:#E4E9E7;
  --amber:#B4611F;
  --amber-bd:#E4D8CB;
  --amber-bg:#FDF7F1;
  --white:#fff;
  --r:18px;
  --shadow-sm:0 14px 30px rgba(20,32,29,.06);
  --shadow-md:0 18px 40px rgba(20,32,29,.07);
  --shadow-lg:0 24px 60px rgba(0,0,0,.18);
  --wrap:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}

body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.28;color:var(--ink)}
h1{font-size:34px;line-height:1.22}
h2{font-size:26px}
h3{font-size:17px}
p{color:var(--ink-2)}
img{max-width:100%;display:block}
a{color:inherit}

.muted{color:var(--muted)}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;
  font-family:inherit;line-height:1;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease;
  min-width:0;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(15,95,140,.18)}
.btn-primary:hover{background:var(--primary-d);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:#CFC8BC}
.btn-ghost:hover{background:#F3EEE5}
.btn-block{width:100%}
.btn[disabled]{opacity:.7;cursor:not-allowed;transform:none}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:var(--primary);letter-spacing:.08em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block;flex:none}

/* ---------- nav ---------- */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(251,248,243,.9);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(230,224,214,.7);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.brand{
  display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px;
  text-decoration:none;color:var(--ink);white-space:nowrap;
}
.mark{
  width:28px;height:28px;border-radius:9px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;flex:none;
}
.nav-links{display:none;gap:30px;font-size:14.5px;color:var(--ink-2)}
.nav-links a{text-decoration:none;color:inherit;padding:4px 0;border-bottom:2px solid transparent;transition:color .18s,border-color .18s}
.nav-links a:hover{color:var(--primary)}
.nav-links a[aria-current="true"]{color:var(--primary);border-bottom-color:var(--primary)}
.nav .btn{height:40px;font-size:14px;padding:0 18px}

/* ---------- 桌面四项下拉导航（t1 方案） ---------- */
.navmenu{display:none;flex:1;justify-content:center;gap:2px;position:static}
.navitem{position:static}
.nav{position:relative}
.navbtn{
  display:inline-flex;align-items:center;gap:6px;height:64px;padding:0 14px;
  background:none;border:0;font:inherit;font-size:14.5px;color:var(--ink-2);
  cursor:pointer;position:relative;white-space:nowrap;
}
.navbtn::after{
  content:"";position:absolute;left:14px;right:14px;bottom:15px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .18s;
}
.navbtn:hover{color:var(--primary)}
.navbtn:hover::after,.navitem.open .navbtn::after{transform:scaleX(1)}
.navitem.open .navbtn{color:var(--primary);font-weight:600}
.chev{
  width:9px;height:9px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translate(-1px,-1px);transition:transform .18s;opacity:.65;flex:none;
}
.navitem.open .chev{transform:rotate(-135deg) translate(-1px,-1px)}

/* 面板：收起态不占位、不可点、不显示内容 */
.mega{
  position:absolute;top:calc(100% + 1px);left:50%;
  transform:translate(-50%,8px);
  width:min(660px,calc(100vw - 40px));max-width:calc(100vw - 40px);
  background:#fff;border:1px solid var(--line);border-top:2px solid var(--primary);
  border-radius:0 0 var(--r) var(--r);
  box-shadow:0 18px 40px rgba(20,32,29,.10);
  padding:24px 26px 22px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
  z-index:2;
}
.navitem.open .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
@media (max-width:999px){
  .mega{padding:20px 20px 18px}
  .msteps,.mega-grid{gap:8px 18px}
}
.mega h4{font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.1em;margin:0 0 12px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.mrow{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed #EFEAE1}
.mrow:last-of-type{border-bottom:0}
.mrow .k{font-size:13.5px;color:var(--ink)}
.mrow .k small{color:var(--muted);font-size:11.5px;margin-left:6px}
.mrow .v{font-size:13.5px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;white-space:nowrap}
.mrow .v.neg{color:var(--muted);font-weight:600}
.msteps{display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.mstep{display:grid;grid-template-columns:20px 1fr;gap:9px;padding:8px 0}
.mstep b{display:grid;place-items:center;width:20px;height:20px;border-radius:6px;background:var(--primary-s);color:var(--primary-d);font-size:11px;font-weight:700}
.mstep p{font-size:13px;color:var(--ink-2);line-height:1.55;margin:0}
.mstep p strong{display:block;color:var(--ink);font-size:13.5px}
.mlist{display:grid;gap:2px;list-style:none;padding:0;margin:0}
.mlist li{display:grid;grid-template-columns:18px 1fr;gap:10px;padding:8px 0;font-size:13px;color:var(--ink-2);line-height:1.6;margin:0}
.mlist li i{color:var(--primary);font-style:normal;font-weight:700;font-size:12px;line-height:1.5}
.mlist li strong{color:var(--ink);display:block;font-size:13.5px;line-height:1.45}
.mlist li em{font-style:normal;color:var(--ink-2);font-size:12.5px;line-height:1.55;display:block;margin-top:2px}
.mega-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:14px;padding-top:13px;border-top:1px solid #F1ECE3;
}
.mega-foot span{font-size:12px;color:var(--muted);line-height:1.5}
.mega-foot a{font-size:13px;font-weight:600;color:var(--primary);white-space:nowrap;text-decoration:none}
.mega-foot a::after{content:" →"}

/* ---------- 汉堡按钮 ---------- */
.burger{
  display:block;position:relative;width:44px;height:44px;margin-left:auto;flex:none;
  background:none;border:0;cursor:pointer;border-radius:12px;
}
.burger span{position:absolute;left:12px;width:20px;height:1.8px;background:var(--ink);border-radius:2px;
  transition:transform .22s,opacity .18s,top .22s}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
body.menu-open .burger span:nth-child(1){top:21px;transform:rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ---------- 移动端菜单 ---------- */
.mmenu{
  position:fixed;inset:64px 0 0;z-index:55;background:var(--paper);
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:opacity .2s,transform .2s,visibility .2s;
  overflow-y:auto;-webkit-overflow-scrolling:touch;
  padding-bottom:150px;
}
body.menu-open .mmenu{opacity:1;visibility:visible;transform:none}
.macc{border-bottom:1px solid var(--line)}
.macc-btn{
  width:100%;height:54px;display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;background:none;border:0;font:inherit;font-size:15.5px;font-weight:600;
  color:var(--ink);cursor:pointer;
}
.macc-btn .chev{transform:rotate(-45deg);opacity:.45;transition:transform .2s}
.macc.open .macc-btn{color:var(--primary)}
.macc.open .macc-btn .chev{transform:rotate(45deg)}
.macc-body{display:none;padding:0 20px 16px;background:#fff}
.macc.open .macc-body{display:block}
.macc-body .mrow{padding:11px 0}
.macc-body .mstep{grid-template-columns:18px 1fr}
.macc-q{font-size:13.5px;color:var(--ink-2);line-height:1.65;padding:8px 0;border-bottom:1px dashed #EFEAE1;margin:0}
.macc-q:last-of-type{border-bottom:0}
.macc-more{display:inline-block;margin-top:10px;font-size:13px;font-weight:600;color:var(--primary);text-decoration:none}
.mmenu .m-cta{position:fixed;left:0;right:0;bottom:0;padding:12px 20px 20px;z-index:56;
  background:linear-gradient(to top,var(--paper) 62%,rgba(251,248,243,0));display:grid;gap:8px}
.mmenu .m-cta .btn{width:100%}
.mmenu .m-cta .hint{font-size:11.5px;color:var(--muted);text-align:center}

/* ---------- Hero 右侧配图区 ---------- */
.hero-media{min-width:0}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.shot{position:relative;overflow:hidden;border-radius:16px;background:var(--primary-s);margin:0}
.shot-main{grid-column:1/3;aspect-ratio:16/10;border-radius:18px}
.shot:not(.shot-main){aspect-ratio:1/1}
.shot img{width:100%;height:100%;object-fit:cover;object-position:center;
  filter:saturate(.85) contrast(.98);display:block}
.shot figcaption{
  position:absolute;left:10px;bottom:10px;
  background:rgba(20,32,29,.66);color:#fff;font-size:11px;
  padding:4px 9px;border-radius:999px;line-height:1.2;
}
.shots-note{margin-top:10px;font-size:11px;color:var(--muted);line-height:1.5}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(20,32,29,.06)}

/* ---------- hero ---------- */
.hero{padding:44px 0 8px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-120px -40% auto auto;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(15,95,140,.10),rgba(15,95,140,0) 62%);
  pointer-events:none;
}
.hero-grid{display:grid;gap:36px;position:relative}
.hero h1{margin:16px 0 14px;max-width:11em}
.hero h1 em{
  font-style:normal;color:var(--primary);position:relative;white-space:nowrap;
}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(15,95,140,.14);border-radius:4px;z-index:-1;
}
.hero .sub{font-size:16px;max-width:30em;color:var(--ink-2)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 26px}
.chip{
  font-size:12.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 12px;white-space:nowrap;
}
.chip.hl{background:var(--primary-s);border-color:#CFE2DA;color:var(--primary-d);font-weight:600}
.cta-row{display:flex;flex-direction:column;gap:10px}
.cta-row .btn{width:100%}
.proof{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);
}
.proof div{font-size:12.5px;color:var(--muted)}
.proof strong{display:block;font-size:14px;color:var(--ink);font-weight:650}

/* live card */
.live{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow-md)}
.live-top{display:flex;justify-content:space-between;align-items:center;gap:8px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.live-tag{font-size:11.5px;font-weight:600;color:var(--primary);background:var(--primary-s);padding:4px 10px;border-radius:999px;white-space:nowrap}
.live-who{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);white-space:nowrap}
.av{width:26px;height:26px;border-radius:50%;background:#EFE7DA;color:#8A6A45;display:grid;place-items:center;font-size:11px;font-weight:700;flex:none}
.tl{list-style:none;margin-top:6px}
.tl li{display:grid;grid-template-columns:52px 18px 1fr;gap:8px;align-items:start;padding:10px 0;position:relative}
.tl .t{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:1px}
.tl .rail{position:relative;display:flex;justify-content:center}
.tl .rail::before{content:"";position:absolute;top:14px;bottom:-22px;width:1px;background:var(--line)}
.tl li:last-child .rail::before{display:none}
.tl .pt{width:9px;height:9px;border-radius:50%;background:#DCD5C8;margin-top:5px;z-index:1}
.tl li.done .pt{background:var(--primary)}
.tl li.now .pt{
  background:#fff;border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(15,95,140,.12);
  width:11px;height:11px;margin-top:4px;
}
.tl .txt{font-size:13.5px;color:var(--ink-2)}
.tl li.done .txt{color:var(--muted);text-decoration:line-through;text-decoration-color:#C9C1B4;text-decoration-thickness:1px}
.tl li.now .txt{color:var(--ink);font-weight:600}
.live-foot{
  margin-top:10px;background:#F2F6F9;border-radius:12px;padding:10px 12px;
  font-size:12px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;
}
.live-foot .ok{color:var(--primary);font-weight:700;flex:none}

/* ---------- sections ---------- */
section{padding:56px 0}
.sec-head{margin-bottom:26px}
.sec-head h2{margin:10px 0 8px}
.sec-head p{max-width:32em;font-size:14.5px}
.section-sep{border-top:1px solid var(--line)}

/* ---------- price : 两张主卡 ---------- */
.price-main{display:grid;gap:14px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;
  display:flex;flex-direction:column;position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.card.hot{
  border-color:var(--primary);border-width:1.5px;
  background:linear-gradient(180deg,#fff,#FCFDFC 55%,#F6FAF8);
}
.hot-tag{
  position:absolute;top:-11px;left:22px;background:var(--primary);color:#fff;
  font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;letter-spacing:.02em;
}
.card .kicker{font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.card h3{margin:4px 0 2px;font-size:18px}
.dur{font-size:12.5px;color:var(--muted)}
.p{display:flex;align-items:baseline;gap:4px;margin:14px 0}
.p .cur{font-size:16px;font-weight:600;color:var(--ink)}
.p .num{font-size:40px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1}
.p .word{font-size:27px;font-weight:700;letter-spacing:-.01em;line-height:1.1}
.p .unit{font-size:12.5px;color:var(--muted);margin-left:2px}
.inc{
  list-style:none;display:grid;gap:9px;font-size:13.5px;color:var(--ink-2);
  padding-top:14px;border-top:1px solid var(--line);
}
.inc li{display:grid;grid-template-columns:16px 1fr;gap:8px;align-items:start}
.inc svg{margin-top:4px;flex:none}
/* ---------- price : 附加服务条 ---------- */
.price-sub{margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.row{
  display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:center;
  padding:16px 18px;border-bottom:1px solid #F0EBE2;
}
.row:last-child{border-bottom:none}
.row .rname{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:650;color:var(--ink);flex-wrap:wrap}
.row .rdesc{grid-column:1/-1;font-size:12.5px;color:var(--muted);line-height:1.65}
.row .rprice{font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;text-align:right;color:var(--ink)}
.row .rprice small{font-size:11.5px;font-weight:500;color:var(--muted);margin-left:2px}
.row .rprice.neg{font-size:15px;color:var(--ink);font-weight:650}
.tag{
  font-size:10.5px;font-weight:600;padding:2px 7px;border-radius:5px;letter-spacing:.02em;
  background:#F4EFE4;color:#8A6A45;white-space:nowrap;
}
.tag.g{background:var(--primary-s);color:var(--primary-d)}

.fine{
  margin-top:16px;font-size:12.5px;color:var(--muted);
  background:#F2F6F9;border-radius:12px;padding:13px 16px;line-height:1.85;
}
.fine b{color:var(--ink);font-weight:650}
.fine .rule{display:block}

/* ---------- flow ---------- */
.flow{display:grid;gap:10px}
.step{display:grid;grid-template-columns:38px 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}
.step .n{
  width:38px;height:38px;border-radius:12px;background:var(--primary-s);color:var(--primary);
  display:grid;place-items:center;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:15px;margin-bottom:2px}
.step p{font-size:13.5px;color:var(--muted)}

/* ---------- trust ---------- */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;gap:22px}
.t-item{display:grid;grid-template-columns:34px 1fr;gap:12px}
.t-ico{width:34px;height:34px;border-radius:10px;background:var(--primary-s);display:grid;place-items:center;color:var(--primary);flex:none}
.t-ico svg{width:17px;height:17px}
.t-item h3{font-size:14.5px;margin-bottom:3px}
.t-item p{font-size:13px;color:var(--muted)}
.boundary{margin-top:24px;border:1px solid var(--amber-bd);background:var(--amber-bg);border-radius:16px;padding:18px}
.boundary h3{display:flex;align-items:center;gap:8px;font-size:14px;color:#7A5320}
.boundary ul{list-style:none;margin-top:10px;display:grid;gap:7px;font-size:13px;color:#6B5A42}
.boundary li::before{content:"✕";color:var(--amber);font-size:11px;margin-right:8px;font-weight:700}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 16px;margin-bottom:10px}
details[open]{border-color:#CFC8BC;box-shadow:0 8px 24px rgba(20,32,29,.05)}
summary{
  list-style:none;cursor:pointer;padding:16px 0;font-size:14.5px;font-weight:600;
  display:flex;justify-content:space-between;gap:12px;align-items:center;
}
summary::-webkit-details-marker{display:none}
summary .plus{color:var(--primary);font-size:18px;font-weight:400;transition:transform .2s;flex:none;line-height:1}
details[open] summary .plus{transform:rotate(45deg)}
details p{padding:0 0 16px;font-size:13.5px;color:var(--muted);max-width:60em}
details p a{color:var(--primary)}

/* ---------- form ---------- */
.form-sec{background:var(--primary);color:#fff}
.form-sec h2{color:#fff}
.form-sec .eyebrow{color:#fff;opacity:.78}
.form-sec .eyebrow .dot{background:#fff}
.form-sec > .wrap > p{color:rgba(255,255,255,.78)}
.form-inner{max-width:760px}
.form-card{background:#fff;border-radius:22px;padding:22px;margin-top:22px;box-shadow:var(--shadow-lg)}
.fields{display:grid;gap:14px}
.field{min-width:0}
label.fl,.fl{display:block;font-size:12.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
.req{color:#C2542A;margin-left:2px}
.opt{font-weight:400;color:var(--muted);font-size:11.5px;margin-left:4px}
input[type=text],input[type=tel],input[type=date],select,textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:12px;padding:0 14px;
  font-size:15px;color:var(--ink);background:#FDFCFA;font-family:inherit;
  transition:border-color .18s,box-shadow .18s,background .18s;
}
textarea{height:auto;min-height:88px;padding:12px 14px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,95,140,.12);background:#fff;
}
/* 医院 datalist：去掉紧贴浏览器默认下拉钮的怪异感 */
input[list]::-webkit-calendar-picker-indicator{opacity:.45;cursor:pointer}
input[list]{background-image:none}
.field.invalid input,.field.invalid select{border-color:#C4553B;background:#FFF8F6}
.err{display:none;font-size:12px;color:#B4462E;margin-top:5px}
.field.invalid .err{display:block}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.seg label{
  margin:0;border:1px solid var(--line);border-radius:12px;padding:11px 8px;text-align:center;
  font-size:12.5px;font-weight:500;color:var(--ink-2);cursor:pointer;background:#FDFCFA;
  display:flex;flex-direction:column;align-items:center;gap:1px;line-height:1.4;
  transition:border-color .16s,background .16s,color .16s;
}
.seg label em{font-style:normal;font-size:15px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;transition:color .16s}
.seg label:last-child:nth-child(odd){grid-column:1/-1}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label:has(input:checked){border-color:var(--primary);background:var(--primary-s);box-shadow:inset 0 0 0 1px var(--primary)}
.seg label:has(input:checked) em{color:var(--primary-d)}
.seg label:has(input:focus-visible){outline:2px solid var(--primary);outline-offset:2px}
/* JS 兵底：兼容安卓旧内核不支持 :has 的情况 */
.seg label.checked{border-color:var(--primary);background:var(--primary-s);box-shadow:inset 0 0 0 1px var(--primary)}
.seg label.checked em{color:var(--primary-d)}

.agree{
  display:grid;grid-template-columns:20px 1fr;gap:10px;align-items:start;
  font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:18px;font-weight:400;
}
.agree input{width:18px;height:18px;margin-top:2px;accent-color:var(--primary);flex:none}
.agree a{color:var(--primary);text-decoration:underline}
.agree.invalid{color:#B4462E}
.form-note{font-size:11.5px;color:var(--muted);text-align:center;margin-top:12px;line-height:1.7}
.resp{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);margin-top:12px;justify-content:center;text-align:center}
.form-status{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;font-size:13px;line-height:1.6}
.form-status.ok{display:block;background:var(--primary-s);color:var(--primary-d);border:1px solid #CBE2D8}
.form-status.warn{display:block;background:#FDF3E5;color:#8A5A1E;border:1px solid #EBD7BB}
.brief{
  margin:9px 0 10px;padding:10px 12px;background:#fff;border:1px dashed #E0C9A8;border-radius:10px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;line-height:1.75;
  color:var(--ink);white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere;
}

/* 微信引导 */
.wechat{margin-top:18px;background:#F2F6F9;border:1px solid var(--line);border-radius:16px;padding:16px;scroll-margin-top:84px}
.wechat h3{font-size:13.5px;margin-bottom:4px}
.wechat p{font-size:12.5px;color:var(--muted)}
.wechat-row{display:flex;gap:14px;align-items:center;margin-top:12px;flex-wrap:wrap}

/* ---- 电话承接行（移动端点击拨号） ---- */
.contact-rows{margin-top:12px}
.tel-row{
  display:flex;align-items:center;gap:11px;padding:11px 13px;
  background:#fff;border:1px solid var(--line);border-radius:13px;
  text-decoration:none;color:inherit;
  transition:border-color .18s,box-shadow .18s,transform .18s;
}
.tel-row:hover{border-color:var(--primary);box-shadow:0 5px 16px rgba(15,95,140,.10);transform:translateY(-1px)}
.tel-row:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.tel-row .ci{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  background:var(--primary-s);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.tel-row .ci svg{width:18px;height:18px}
.tel-row .ctxt{flex:1;min-width:0;line-height:1.3}
.tel-row .ctxt b{display:block;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.2px;font-variant-numeric:tabular-nums}
.tel-row .ctxt em{display:block;margin-top:2px;font-style:normal;font-size:11.5px;color:var(--muted)}
.tel-row .call-btn{
  flex:0 0 auto;padding:7px 15px;border-radius:999px;
  background:var(--primary);color:#fff;font-size:12.5px;font-weight:600;
}
.qr{width:104px;height:104px;border-radius:12px;background:#fff;border:1px solid var(--line);flex:none;display:grid;place-items:center;overflow:hidden}
.qr img{width:100%;height:100%;object-fit:contain;padding:6px}
.qr-ph{font-size:10.5px;color:#A9B3AE;text-align:center;padding:8px;line-height:1.5}
.wx-copy{flex:1;min-width:180px}
.wx-id{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:#fff;border:1px dashed #CFC8BC;border-radius:10px;padding:8px 12px;margin-bottom:8px;
}
.wx-id code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px;color:var(--ink);letter-spacing:.02em}
.copy-btn{
  border:1px solid var(--primary);color:var(--primary);background:#fff;border-radius:999px;
  font-size:12px;padding:4px 12px;cursor:pointer;font-family:inherit;transition:background .16s,color .16s;
}
.copy-btn:hover{background:var(--primary);color:#fff}
.copy-btn.done{background:var(--primary);color:#fff}

/* ---------- 挂号询价按钮（价格区附加行内） ---------- */
.quote-btn{
  grid-column:1/-1;justify-self:start;margin-top:10px;
  border:1px solid var(--primary);color:var(--primary);background:#fff;border-radius:999px;
  font-size:12.5px;font-weight:600;padding:7px 15px;cursor:pointer;font-family:inherit;
  transition:background .16s,color .16s,transform .16s;
}
.quote-btn:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.quote-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ---------- 提交成功卡（二维码 + 引导） ---------- */
.done{
  margin-top:16px;background:#fff;border:1.5px solid var(--primary);border-radius:18px;
  padding:18px;box-shadow:0 12px 32px rgba(15,95,140,.14);
  animation:doneIn .32s ease both;
}
@keyframes doneIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.done-head{display:grid;grid-template-columns:32px 1fr;gap:11px;align-items:start}
.done-ico{
  width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:700;flex:none;
}
.done-head h3{font-size:15.5px;color:var(--ink);margin-bottom:3px}
.done-head p{font-size:12.5px;color:var(--muted);line-height:1.7}
.done-body{
  display:grid;grid-template-columns:1fr;gap:16px;align-items:center;
  margin-top:16px;padding-top:16px;border-top:1px dashed #D9D2C5;
}
.done-qr{display:flex;flex-direction:column;align-items:center;gap:7px;flex:none}
.done-qr img{
  width:132px;height:132px;border-radius:12px;background:#fff;
  border:1px solid var(--line);padding:6px;object-fit:contain;
}
.done-qr span{font-size:11.5px;color:var(--muted)}
.done-guide{min-width:0}
.done-guide h4{font-size:13.5px;color:var(--ink);margin-bottom:5px}
.done-guide p{font-size:12.5px;color:var(--muted);line-height:1.7}
.done-guide .wx-id{margin:10px 0 8px}
.done-tip{font-size:11.5px;color:#8A6A45;background:#FDF7EC;border-radius:9px;padding:8px 10px}
.done-again{
  display:inline-block;margin-top:12px;font-size:12.5px;color:var(--primary);
  background:none;border:none;padding:0;cursor:pointer;font-family:inherit;
  text-decoration:underline;text-underline-offset:3px;
}

/* ---------- footer ---------- */
.site-footer{background:#0C1B26;color:#B6C6D2;padding:40px 0 110px;font-size:12.5px;line-height:1.9}
.site-footer .fbrand{color:#fff;font-weight:700;font-size:15px;margin-bottom:12px;display:flex;gap:9px;align-items:center}
.site-footer .mark{width:26px;height:26px;font-size:13px;border-radius:8px}
.site-footer a{
  color:#B6C6D2;text-decoration:none;margin-right:14px;
  display:inline-flex;align-items:center;min-height:36px;padding:0 2px;
}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .icp{margin-top:8px;color:#6E8494}
/* 合规风险提示位（无营业执照） */
.site-footer .comply{
  margin-top:14px;padding:13px 15px;
  background:#1A2622;border:1px solid #2C3B36;border-left:3px solid #8A6A3A;
  border-radius:10px;color:#93A7B4;max-width:56em;
}
.site-footer .comply strong{display:block;color:#D8C3A6;font-size:12.5px;margin-bottom:5px}
.site-footer .comply p{margin:0 0 6px;line-height:1.85;color:#93A7B4}
.site-footer .comply p:last-child{margin-bottom:0}
.site-footer .comply p strong{display:inline;color:#C6D5E0;font-size:inherit;margin:0}

/* ---------- mobile bar ---------- */
.mbar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);padding:10px 16px 12px;
  display:flex;align-items:center;gap:12px;
  padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));
  transition:transform .22s ease;
}
.mbar.hide{transform:translateY(110%)}
.mbar .price{font-size:12px;color:var(--muted);line-height:1.35}
.mbar .price b{display:block;font-size:15px;color:var(--ink)}
.mbar .btn{flex:1;height:48px;font-size:15px}
.mbar-tel{
  flex:0 0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  height:48px;padding:0 13px;border-radius:13px;
  background:var(--primary-s);color:var(--primary-d);
  text-decoration:none;font-size:10.5px;font-weight:600;line-height:1;
}
.mbar-tel svg{width:19px;height:19px}
.mbar-tel:active{background:#D3E4EE}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:96px;transform:translate(-50%,14px);
  background:#14201D;color:#fff;font-size:13px;padding:10px 18px;border-radius:999px;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:80;max-width:88vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* =========================================================
   响应式：720px 双栏化 / 1000px 首屏双栏 + 四列 / 390px 基准
   ========================================================= */
@media (min-width:720px){
  h1{font-size:46px}
  h2{font-size:32px}
  .wrap{padding:0 32px}
  .navmenu{display:flex}
  .burger{display:none}
  .hero-media{margin-top:0}
  .cta-row{flex-direction:row}
  .cta-row .btn{width:auto}
  .price-main{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .trust-grid{grid-template-columns:1fr 1fr}
  .fields{grid-template-columns:1fr 1fr}
  .seg{grid-template-columns:repeat(3,1fr)}
  .seg label:last-child:nth-child(odd){grid-column:auto}
  .row{grid-template-columns:1.05fr auto;padding:18px 24px}
  .form-card{padding:32px}
  .done{padding:22px}
  .done-body{grid-template-columns:auto 1fr;gap:20px}
  .mbar{display:none}
  .site-footer{padding-bottom:40px}
  section{padding:72px 0}
}
@media (min-width:1000px){
  .hero{padding:64px 0 24px}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
  h1{font-size:54px}
  .price-main .card{padding:26px}
  .flow{grid-template-columns:repeat(4,1fr)}
  .trust-grid{grid-template-columns:repeat(4,1fr)}
  .seg{grid-template-columns:repeat(5,1fr)}
  .hero .sub{font-size:17px}
  .shots{grid-template-columns:1.68fr 1fr;gap:12px}
  .shot-main{grid-column:auto;grid-row:1/3;aspect-ratio:2/3;border-radius:20px}
  .shot:not(.shot-main){aspect-ratio:4/5}
}
@media (max-width:389px){
  .brand{font-size:13.5px;gap:7px}
  .mark{width:26px;height:26px;font-size:13px}
  .nav .btn{padding:0 12px;font-size:12.5px}
  .hero h1{font-size:30px}
  .seg{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}
@media print{
  .site-header,.mbar,.toast,.wechat{display:none!important}
  body{background:#fff}
}

/* ---------- 陪诊故事 ---------- */
.stories{background:var(--paper)}
.stories .sec-head p{color:var(--muted)}
.story-grid{display:grid;gap:14px}
.story{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:20px 20px 16px;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.story:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.story-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.story-idx{
  font-size:12px;font-weight:700;color:var(--primary);letter-spacing:.06em;
  background:var(--primary-s);border-radius:8px;padding:3px 8px;flex:none;
  font-variant-numeric:tabular-nums;line-height:1.5;
}
.story-tag{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.02em}
.story h3{font-size:16px;line-height:1.45;margin-bottom:8px}
.story p{font-size:14px;line-height:1.78;color:var(--ink-2)}
.story p.story-foot{
  margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);
  font-size:11.5px;line-height:1.6;color:var(--muted);
  letter-spacing:.02em;
}
.story-note{
  margin-top:16px;font-size:12px;line-height:1.75;color:var(--muted);
  background:#F2F6F9;border-radius:12px;padding:12px 14px;
}

@media (min-width:720px){
  .story-grid{grid-template-columns:1fr 1fr;gap:18px}
  .story{padding:24px 24px 18px}
  .story h3{font-size:17px}
  .story p{font-size:14.5px}
}
@media (max-width:389px){
  .story{padding:16px 16px 14px}
  .story h3{font-size:15.5px}
  .story p{font-size:13.5px}
}

/* =========================================================
   v13 · 图片接入（t1 素材包 22 件）
   原则：aspect-ratio + object-fit:cover，禁 fill
   ========================================================= */

/* ---------- Hero 主图 ---------- */
.hero-pic{margin:0;border-radius:20px;overflow:hidden;background:var(--primary-s);
  aspect-ratio:4/5;position:relative}
.hero-pic img{width:100%;height:100%;object-fit:cover;object-position:center 42%;display:block}

/* ---------- 三项底气 ---------- */
.hero-facts{display:grid;gap:14px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.fact{display:flex;gap:11px;align-items:flex-start}
.fact-ico{width:32px;height:32px;flex:none;object-fit:contain;margin-top:1px}
.fact strong{display:block;font-size:14px;color:var(--ink);font-weight:650;line-height:1.5}
.fact span{display:block;font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:2px}
.hero-fact-more{
  display:flex;align-items:flex-start;gap:8px;margin-top:16px;
  font-size:12.5px;color:var(--muted);line-height:1.65;
}
.hero-fact-more .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);
  display:inline-block;flex:none;margin-top:8px}

/* ---------- 预约区隐私说明 ---------- */
.privacy-row{
  display:flex;gap:12px;align-items:center;
  background:var(--primary-s);border:1px solid #D5E4EE;
  border-radius:14px;padding:12px 14px;margin-top:16px;
}
.privacy-ico{width:48px;height:48px;flex:none;border-radius:10px;object-fit:cover}
.privacy-row p{margin:0;font-size:12.5px;line-height:1.7;color:var(--ink-2)}

/* ---------- 微信区兜底图 ---------- */
.wx-band{margin:0 0 14px;border-radius:12px;overflow:hidden;aspect-ratio:2/1;background:var(--primary-s)}
.wx-band img{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- 服务与价格 ---------- */
.pricing{background:#fff}
.svc-grid{display:grid;gap:16px}
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;
}
.svc figure{margin:0;aspect-ratio:12/5;overflow:hidden;background:var(--primary-s)}
.svc img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .4s ease}
.svc:hover img{transform:scale(1.03)}
.svc-body{padding:14px 16px 16px;flex:1;display:flex;flex-direction:column}
.svc-head{display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-wrap:wrap}
.svc-head h3{font-size:16px;margin:0}
.svc-badge{
  font-size:10.5px;font-weight:700;color:#fff;background:var(--amber);
  border-radius:999px;padding:2px 8px;line-height:1.6;letter-spacing:.02em;flex:none;
}
.svc-price{font-size:22px;font-weight:700;color:var(--primary-d);
  font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:4px}
.svc-body p{font-size:12.5px;color:var(--muted);line-height:1.6}
.svc-note{
  margin-top:16px;font-size:11.5px;color:var(--muted);line-height:1.75;
  background:var(--primary-s);border-radius:12px;padding:12px 14px;
}

/* ---------- 关于 / 服务方 ---------- */
.about{background:var(--paper)}
.about-grid{display:grid;gap:24px}
.about-list{list-style:none;margin-top:14px;display:grid;gap:9px}
.about-list li{
  position:relative;padding-left:18px;font-size:13.5px;color:var(--ink-2);line-height:1.7;
}
.about-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;
  background:var(--primary);
}
.about-pic{margin:0;border-radius:18px;overflow:hidden;aspect-ratio:2/1;background:var(--primary-s)}
.about-pic img{width:100%;height:100%;object-fit:cover;display:block;opacity:.94}

/* ---------- 真实场景图带 ---------- */
.scene-strip{
  list-style:none;display:grid;grid-auto-flow:column;grid-auto-columns:62%;
  gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:0 20px 6px;margin:0 -20px 18px;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.scene-strip::-webkit-scrollbar{display:none}
.scene{margin:0;scroll-snap-align:start}
.scene figure{margin:0;position:relative;border-radius:14px;overflow:hidden;
  aspect-ratio:21/10;background:var(--primary-s)}
.scene figure img:first-child{width:100%;height:100%;object-fit:cover;display:block}
.scene-num{
  position:absolute;left:10px;top:10px;width:auto;height:20px;
  filter:drop-shadow(0 1px 3px rgba(0,0,0,.45));
}
.scene-cap{font-size:12px;color:var(--muted);line-height:1.6;margin-top:7px;padding-left:2px}
.scene-note{margin-top:2px;font-size:11.5px;color:var(--muted);line-height:1.7}

/* ---------- 页脚顶部纹理 ---------- */
.fb-band{height:36px;overflow:hidden;opacity:.06;pointer-events:none}
.fb-band img{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- 底栏电话图标 ---------- */
.mbar-tel img{width:19px;height:19px;object-fit:contain;display:block}

/* ---------- 断点 ---------- */
@media (min-width:720px){
  .hero-facts{grid-template-columns:1fr 1fr;gap:16px 24px}
  .hero-fact-more{grid-column:1/-1}
  .hero-pic{aspect-ratio:2.4/1;border-radius:20px}
  .svc-grid{grid-template-columns:1fr 1fr;gap:18px}
  .about-grid{grid-template-columns:1fr 1fr;gap:36px;align-items:center}
  .scene-strip{grid-auto-flow:row;grid-template-columns:repeat(4,1fr);
    overflow:visible;margin:0 0 22px;padding:0;gap:14px}
  .privacy-row p{font-size:13px}
}
@media (min-width:1000px){
  .hero-pic{aspect-ratio:2.4/1}
  .hero-pic img{object-position:center 45%}
  .hero-facts{grid-template-columns:1fr 1fr}
  .svc-grid{grid-template-columns:repeat(4,1fr);gap:20px}
  .svc-body{padding:16px 18px 18px}
  .svc-price{font-size:24px}
  .scene figure{aspect-ratio:21/10}
}
@media (max-width:389px){
  .hero-facts{gap:12px}
  .fact-ico{width:28px;height:28px}
  .privacy-ico{width:40px;height:40px}
  .scene-strip{padding:0 16px 6px;margin:0 -16px 16px}
  .svc-price{font-size:20px}
}

/* ---------- 320px 窄屏：按钮文案不折行 ---------- */
.nav .btn,.mbar .btn,.cta-row .btn{white-space:nowrap}
@media (max-width:359px){
  .brand{font-size:13px;gap:6px;min-width:0}
  .mark{width:25px;height:25px;font-size:12.5px;border-radius:7px}
  .nav .btn,.mbar .btn{padding:0 13px;font-size:13px}
  .mbar .price{font-size:11px}
  .mbar .price b{font-size:14px}
  .mbar-tel{padding:0 10px;font-size:10px}
}

/* =========================================================
   预约要求区（严格按卡片规范）
   底 #F7F8FA / 圆角 16 / 内距 20 / 无阴影无边框
   两组间隔 16 + 1px #E8EAED 分隔线 / 圆点 4px
   ========================================================= */
.req-sec{background:var(--paper)}
.req-card{
  background:#F7F8FA;border:0;border-radius:16px;padding:20px;
  box-shadow:none;
}
.req-group{display:block}
.req-h{
  font-size:15px;font-weight:700;color:var(--ink);line-height:1.45;
  margin:0 0 12px;letter-spacing:0;
}
.req-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.req-list li{
  position:relative;padding-left:14px;
  font-size:14px;line-height:1.7;color:var(--ink-2);
}
.req-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:4px;height:4px;border-radius:50%;background:var(--primary);
}
.req-divider{
  height:1px;background:#E8EAED;margin:16px 0;border:0;
}
/* 响应时效单列成行，字重 500，与承诺组拉开 16px */
.req-timing{
  margin:16px 0 0;font-size:13.5px;font-weight:500;
  color:var(--ink-2);line-height:1.65;
}
.req-timing b{
  font-size:20px;font-weight:700;color:var(--primary-d);
  font-variant-numeric:tabular-nums;margin-right:2px;
}
.req-note{
  margin-top:14px;font-size:12px;line-height:1.7;color:var(--muted);
}

@media (min-width:720px){
  .req-card{padding:24px}
  .req-h{font-size:16px}
  .req-list{grid-template-columns:1fr 1fr;gap:10px 24px}
  .req-timing{font-size:14px}
  .req-timing b{font-size:22px}
}
@media (min-width:1000px){
  .req-card{padding:28px 32px;display:grid;grid-template-columns:1fr auto 1fr;gap:0 32px;align-items:start}
  .req-divider{width:1px;height:auto;margin:0;align-self:stretch}
  .req-list{grid-template-columns:1fr}
  .req-timing{margin-top:16px}
}
@media (max-width:359px){
  .req-card{padding:16px}
  .req-list li{font-size:13.5px}
}
.req-timing .nb{white-space:nowrap;font-variant-numeric:tabular-nums}

/* ---------- 预约要求入口 ---------- */
.navbtn.navlink{text-decoration:none;font-size:14.5px;color:var(--ink-2)}
.navbtn.navlink:hover{color:var(--primary)}
.mmenu-link{
  display:flex;align-items:center;min-height:48px;
  padding:0 18px;font-size:15px;font-weight:600;
  color:var(--primary-d);text-decoration:none;
  border-bottom:1px solid var(--line);
}
.mmenu-link:hover{background:var(--primary-s)}

/* ---------- 720–999px 顶栏：新入口加入后需收窄，防 CTA 被压缩 ---------- */
.nav > .btn,.nav .btn{flex:none;white-space:nowrap}
@media (min-width:720px) and (max-width:999px){
  .nav{gap:10px}
  .navbtn,.navbtn.navlink{padding:0 9px;font-size:13.5px}
  .brand{font-size:15px}
  .nav .btn{padding:0 16px;font-size:14px}
}
@media (max-width:819px){
  .navbtn.navlink{display:none}
}

/* =========================================================
   v16 · 海豹品牌接入（logo / 服务提供方 / 悬浮联系栏 / 底栏）
   ========================================================= */
:root{
  --brand:#0B6283;
  --brand-d:#084C67;
  --brand-s:#E8F1F4;
}

/* ---------- 导航品牌 ---------- */
.brand{gap:11px}
.brand-logo{width:29px;height:32px;flex:none;display:block;object-fit:contain}
.brand-txt{display:flex;flex-direction:column;line-height:1.05;letter-spacing:-.01em}
.brand-txt em{
  font-style:normal;font-size:9px;font-weight:600;letter-spacing:.18em;
  color:var(--muted);margin-top:3px;
}

/* ---------- 服务提供方（四栏 · 图文交替） ---------- */
.provider{padding:96px 0 104px;background:var(--paper)}
.provider .wrap{max-width:1200px}
.pv-head{text-align:center;margin-bottom:56px}
.pv-head .eyebrow{margin-bottom:18px}
.pv-head h2{
  font-size:38px;line-height:1.24;font-weight:700;letter-spacing:-.03em;
  color:var(--ink);margin-bottom:16px;
}
.pv-lede{
  font-size:16.5px;line-height:1.8;color:var(--ink-2);
  max-width:640px;margin:0 auto;
}
.pv-lede b{font-weight:700;color:var(--ink)}

.pv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.pv-col{display:flex;flex-direction:column;min-width:0}
.pv-cap{min-height:150px;text-align:center;padding:0 6px}
.pv-badge{
  width:34px;height:34px;border-radius:50%;background:var(--brand-s);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:var(--brand);
}
.pv-badge svg{width:16px;height:16px}
.pv-cap h3{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px;letter-spacing:-.01em;color:var(--ink)}
.pv-cap p{font-size:13.5px;line-height:1.85;color:var(--muted);max-width:244px;margin:0 auto;text-wrap:balance}
.pv-ph{
  position:relative;overflow:hidden;border-radius:3px;background:#E8E4DC;height:330px;
}
.pv-ph img{width:100%;height:100%;object-fit:cover;display:block}
.pv-col:nth-child(odd) .pv-cap{margin-bottom:22px}
.pv-col:nth-child(even) .pv-cap{margin-top:22px}
.pv-note{
  margin-top:44px;text-align:center;font-size:12px;line-height:1.7;color:var(--muted);
}

/* ---------- 左侧悬浮联系栏 ---------- */
/* 手机号为纯文本，不可点击、无 tel: 链接；hover 展开面板 */
.rail{
  position:fixed;left:20px;top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:10px;z-index:60;
}
.rail-main{position:relative;display:flex;flex-direction:column;gap:10px}
.rail .rail-btn{
  width:52px;height:52px;border-radius:10px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;
  box-shadow:0 6px 18px rgba(11,98,131,.18);
  transition:background .18s ease,transform .18s ease;text-decoration:none;padding:0;
  -webkit-tap-highlight-color:transparent;
}
.rail .rail-btn:hover,
.rail .rail-btn:focus-visible,
.rail-main:hover .rail-btn{background:var(--brand-d);transform:translateX(2px)}
.rail .rail-btn:focus-visible{outline:2px solid #fff;outline-offset:2px}
.rail svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* 悬浮面板：hover 即展开（桌面），移动端走点击 */
.rail-pop{
  position:absolute;left:62px;top:50%;transform:translateY(-50%);
  width:196px;box-sizing:border-box;
  background:#fff;border:1px solid #DCE6EA;border-radius:14px;padding:14px 14px 12px;
  box-shadow:0 16px 38px rgba(11,45,60,.16);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease,visibility .18s ease;
}
/* 无缝桥接：图标与面板之间不留缝，避免鼠标穿过时收起 */
.rail-pop::before{
  content:"";position:absolute;left:-14px;top:0;bottom:0;width:14px;
}
.rail-main:hover .rail-pop,
.rail-pop:hover,
.rail-main.is-open .rail-pop{opacity:1;visibility:visible;pointer-events:auto}

.rail-pop .rp-k{
  margin:0 0 4px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:#556C77;
}
.rail-pop .rp-num{
  margin:0;font-size:17px;font-weight:700;letter-spacing:.01em;
  color:#0B3F55;font-variant-numeric:tabular-nums;line-height:1.35;
  -webkit-user-select:text;user-select:text;cursor:default;
}
.rail-pop .rp-hint{
  margin:6px 0 0;font-size:12.5px;line-height:1.55;color:#5E7480;
  -webkit-user-select:text;user-select:text;
}
.rail-pop .rp-hint.center{text-align:center}
.rail-pop .rp-div{height:1px;background:#E7EEF1;margin:11px 0 10px}
.rail-pop .rp-qr{
  display:block;width:132px;height:132px;max-width:none;border-radius:6px;
  margin:6px auto 0;background:#F4F6F8;
}
@media (max-width:1379px){ .rail{display:none} }

/* ---------- 移动端底栏（电话实心 / 微信浅底） ---------- */
@media (max-width:719px){
  body{padding-bottom:68px}
  .site-footer{padding-bottom:96px}
  .mbar{display:flex;gap:8px;padding:8px 12px calc(8px + env(safe-area-inset-bottom,0px))}
  .mbar-call,.mbar-wx{
    flex:1;height:44px;border-radius:999px;display:flex;align-items:center;justify-content:center;
    gap:7px;font-size:14.5px;font-weight:600;text-decoration:none;
  }
  .mbar-call{background:var(--brand);color:#fff}
  .mbar-wx{background:var(--brand-s);color:var(--brand)}
  .mbar svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  .mbar .btn,.mbar .price,.mbar-tel{display:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1240px){
  .provider .wrap{padding:0 24px}
  .pv-ph{height:280px}
  .pv-cap{min-height:164px}
}
@media (max-width:900px){
  .provider{padding:64px 0 76px}
  .provider .wrap{padding:0 20px}
  .pv-head{margin-bottom:40px}
  .pv-head h2{font-size:27px}
  .pv-grid{grid-template-columns:repeat(2,1fr);gap:36px 24px}
  .pv-ph{height:260px}
  .pv-cap{min-height:auto}
  .brand-txt em{display:none}
}
@media (max-width:600px){
  .provider{padding:56px 0 64px}
  .pv-grid{grid-template-columns:1fr;gap:30px}
  .pv-head{text-align:left}
  .pv-head h2{font-size:24px}
  .pv-lede{font-size:15px}
  .pv-cap{text-align:left;padding:0;min-height:auto}
  .pv-badge{margin:0 0 12px}
  .pv-cap p{max-width:none;margin:0}
  .pv-col:nth-child(odd) .pv-cap{margin-bottom:14px}
  .pv-col:nth-child(even){flex-direction:column-reverse}
  .pv-col:nth-child(even) .pv-cap{margin:0 0 14px}
  .pv-ph{height:auto;aspect-ratio:4/3}
  .pv-note{margin-top:32px;text-align:left}
  .brand-logo{width:26px;height:28px}
  .brand-txt{font-size:15px}
}
@media (max-width:389px){
  .brand-logo{width:25px;height:27px}
  .brand-txt{font-size:13.5px}
  .rail{display:none}
}
@media print{
  .rail{display:none!important}
}

/* ---------- 页脚品牌（白色版 logo） ---------- */
.site-footer .fbrand{align-items:center;gap:12px;font-size:15px}
.site-footer .fbrand img{width:25px;height:28px;flex:none;display:block;object-fit:contain}
.site-footer .fbrand span{display:flex;flex-direction:column;line-height:1.1}
.site-footer .fbrand em{
  font-style:normal;font-size:9px;font-weight:600;letter-spacing:.18em;
  color:#7E96A6;margin-top:3px;
}

/* =========================================================
   v17 · 极简留言表单（称呼 / 手机 / 留言 三字段）
   规范：浅灰蓝底 #F4F6F8、无边框、圆角 8px、占位符 #999
   ========================================================= */
.form-inner{max-width:720px}

.fields-simple{display:grid;gap:16px}
.fields-simple .fs-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fields-simple .field{min-width:0}

/* 输入框：浅灰蓝底、无边框、圆角，占位符浅灰 */
.fields-simple input[type=text],
.fields-simple input[type=tel],
.fields-simple textarea{
  width:100%;height:52px;border:0;border-radius:8px;
  padding:0 20px;font-size:16px;line-height:1.5;
  color:var(--ink);background:#F4F6F8;font-family:inherit;
  box-shadow:none;
  transition:background .18s,box-shadow .18s;
  -webkit-appearance:none;appearance:none;
}
.fields-simple textarea{
  height:auto;min-height:132px;padding:16px 20px;
  resize:vertical;line-height:1.65;
}
.fields-simple input::placeholder,
.fields-simple textarea::placeholder{color:#9AA6AD;opacity:1}
.fields-simple input:focus,
.fields-simple textarea:focus{
  outline:none;background:#EDF1F5;
  box-shadow:0 0 0 2px rgba(11,98,131,.16);
}
/* 校验失败：仅换底色 + 细边，不打断视觉 */
.fields-simple .field.invalid input,
.fields-simple .field.invalid textarea{
  background:#FFF6F4;box-shadow:inset 0 0 0 1px #D98874;
}
.fields-simple .field.invalid .err{display:block}
.fields-simple .err{font-size:12.5px;color:#B4462E;margin-top:6px;padding-left:2px}

/* 提交按钮：居中、深蓝、圆角 */
.fs-actions{display:flex;justify-content:center;margin-top:26px}
.fs-submit{
  min-width:200px;height:52px;padding:0 44px;
  border:0;border-radius:8px;cursor:pointer;
  background:var(--brand,#0B6283);color:#fff;
  font-family:inherit;font-size:16px;font-weight:600;letter-spacing:.02em;
  transition:background .18s,transform .12s;
  -webkit-appearance:none;appearance:none;
}
.fs-submit:hover{background:var(--brand-d,#084C67)}
.fs-submit:active{transform:translateY(1px)}
.fs-submit:disabled{opacity:.62;cursor:default;transform:none}
.fs-note{
  margin:14px 0 0;text-align:center;
  font-size:12.5px;line-height:1.7;color:var(--muted,#7C8A86);
}
.fs-note a{color:inherit;text-decoration:underline}

/* 移动端：两列改单列 */
@media (max-width:619px){
  .fields-simple .fs-row{grid-template-columns:1fr;gap:16px}
  .fields-simple input[type=text],
  .fields-simple input[type=tel]{height:50px}
  .fields-simple textarea{min-height:120px}
  .fs-actions{margin-top:22px}
  .fs-submit{width:100%;min-width:0;height:50px;padding:0 20px}
}

/* =========================================================
   v18 · 悬浮栏手机号：hover 展开明文、纯文本不跳转
   ========================================================= */
/* --- 移动端底栏：电话按钮改为展开明文 --- */
.mbar{position:fixed}
.mbar .mbar-call{
  border:0;font-family:inherit;cursor:pointer;
  -webkit-appearance:none;appearance:none;
  -webkit-tap-highlight-color:transparent;
}
.mbar-pop{
  position:absolute;left:12px;right:12px;bottom:calc(100% + 10px);
  background:#fff;border:1px solid #DCE6EA;border-radius:14px;
  padding:14px 16px 12px;box-sizing:border-box;
  box-shadow:0 16px 38px rgba(11,45,60,.18);
  opacity:0;visibility:hidden;transform:translateY(6px);pointer-events:none;
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
  text-align:center;
}
.mbar-pop.is-open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.mbar-pop .mp-k{
  margin:0 0 4px;font-size:12px;font-weight:700;letter-spacing:.08em;color:#556C77;
}
.mbar-pop .mp-num{
  margin:0;font-size:21px;font-weight:700;letter-spacing:.02em;
  color:#0B3F55;font-variant-numeric:tabular-nums;line-height:1.3;
  -webkit-user-select:text;user-select:text;cursor:default;
}
.mbar-pop .mp-hint{
  margin:6px 0 0;font-size:12.5px;line-height:1.55;color:#5E7480;
}

/* =========================================================
   v19 · 提交表单移至页面尾页（页脚上方）
   ========================================================= */
/* 尾页表单：上下留白由 v20 通栏规则统一控制 */

/* =========================================================
   v20 · 尾页提交区块 · 通栏平铺（无标题 / 无卡片 / 12 列栅格）
   ========================================================= */
.form-sec{
  background:#F3F6F4;color:var(--ink);
  border-top:1px solid #E4E7E3;border-bottom:1px solid #E4E7E3;
  padding:64px 0;
}
.ff-wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 32px;box-sizing:border-box}
.fform{
  display:grid;grid-template-columns:repeat(12,minmax(0,1fr));
  column-gap:24px;row-gap:28px;align-items:start;
}
.fform .c6{grid-column:span 6}
.fform .c7{grid-column:span 7}
.fform .c5{grid-column:span 5}
.fform .c12{grid-column:span 12}

/* ---------- 字段 ---------- */
.fform .f{display:grid;gap:8px;min-width:0;align-content:start}
.fform .f > label{
  font-size:13px;line-height:22px;font-weight:600;color:var(--ink);
  display:flex;align-items:baseline;gap:4px;flex-wrap:wrap;margin:0;
}
.fform .f .req{color:#B45309;font-weight:600;font-style:normal;margin:0}
.fform .f .opt{font-weight:400;color:#667370;font-size:13px;margin:0}
.fform input[type=text],.fform input[type=tel],.fform textarea{
  width:100%;height:48px;padding:0 14px;box-sizing:border-box;
  border:1px solid #8C9793;border-radius:8px;background:#fff;
  font-size:15px;line-height:22px;color:var(--ink);font-family:inherit;
  -webkit-appearance:none;appearance:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.fform textarea{
  height:auto;min-height:120px;padding:12px 14px;line-height:24px;resize:vertical;
}
.fform input::placeholder,.fform textarea::placeholder{color:#667370;opacity:1}
.fform input:focus,.fform textarea:focus{
  outline:0;border-color:var(--brand,#0B6283);
  box-shadow:0 0 0 3px rgba(11,98,131,.16);background:#fff;
}
.fform .field.invalid input,
.fform .field.invalid textarea{border-color:#C4553B;background:#FFF8F6}
.fform .err{display:none;font-size:12.5px;line-height:18px;color:#B4462E;margin-top:2px}
.fform .field.invalid .err{display:block}

/* ---------- 提交列：底边对齐左侧 textarea ---------- */
.fsub{display:grid;gap:12px;align-self:end;min-width:0}
.ff-submit{
  display:inline-flex;align-items:center;justify-content:center;
  width:100%;height:48px;padding:0 24px;border:0;box-sizing:border-box;
  border-radius:999px;background:var(--brand,#0B6283);color:#fff;
  font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1;
  font-family:inherit;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.ff-submit:hover{background:var(--brand-d,#084C67)}
.ff-submit:active{transform:translateY(1px)}
.ff-submit:disabled{opacity:.62;cursor:default;transform:none}
.fsub .fs-note{margin:0;text-align:left;font-size:12px;line-height:18px;color:#667370}
.fsub .fs-note a{color:inherit;text-decoration:underline}

/* ---------- 附加行（隐私说明 / 状态 / 成功卡 / 微信） ---------- */
.ff-extra{display:grid;gap:14px;min-width:0}
.ff-extra .privacy-row{
  margin-top:0;background:#fff;border:1px solid #E4E7E3;border-radius:8px;
  padding:10px 14px;gap:12px;align-items:center;
}
.ff-extra .privacy-ico{width:40px;height:40px;border-radius:8px}
.ff-extra .privacy-row p{font-size:12px;line-height:18px;color:#3D4A47}
.ff-extra .form-status{margin-top:0}
.ff-extra .done{margin-top:0}
.ff-extra .wechat{margin-top:0}

/* ---------- 平板 ≤1080：2 列 ---------- */
@media (max-width:1080px){
  .fform{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px;row-gap:24px}
  .fform .c6,.fform .c7,.fform .c5{grid-column:span 1}
  .fform .c12{grid-column:span 2}
  .fform .fsub{grid-column:span 2;align-self:stretch;padding-top:4px}
  .fsub .ff-submit{max-width:100%}
}

/* ---------- 移动 ≤720：单列 ---------- */
@media (max-width:720px){
  .form-sec{padding:44px 0 40px}
  .ff-wrap{padding:0 20px}
  .fform{grid-template-columns:1fr;row-gap:20px;column-gap:0}
  .fform .c6,.fform .c7,.fform .c5,.fform .c12{grid-column:span 1}
  .fform .fsub{grid-column:span 1;gap:14px;padding-top:6px}
  .fform textarea{min-height:96px}
  /* iOS 聚焦不放大 */
  .fform input[type=text],.fform input[type=tel],.fform textarea{font-size:16px}
  .ff-submit{height:50px}
}

/* ---------- 尾页附加块：微信区改为横向条带（避免 1120 通栏下 2:1 图过高） ---------- */
.ff-extra .wechat{
  background:#fff;border:1px solid #E4E7E3;border-radius:8px;padding:20px;
  scroll-margin-top:84px;
}
.ff-extra .wechat .wx-band{
  margin:0 0 14px;border-radius:8px;overflow:hidden;aspect-ratio:2/1;background:#E8F1F4;
}
@media (min-width:1081px){
  .ff-extra .wechat{
    display:grid;grid-template-columns:360px minmax(0,1fr);
    grid-template-areas:"band head" "band body" "band id" "band rows";
    column-gap:28px;row-gap:6px;align-items:start;
  }
  .ff-extra .wechat .wx-band{grid-area:band;margin:0;align-self:center}
  .ff-extra .wechat h3{grid-area:head;margin:0;font-size:15px;line-height:24px}
  .ff-extra .wechat > p{grid-area:body;margin:0}
  .ff-extra .wechat > p:nth-of-type(2){grid-area:id;margin:0;font-size:16px}
  .ff-extra .wechat .wechat-row{grid-area:rows;margin-top:8px;align-items:flex-start}
}
@media (max-width:1080px){
  .ff-extra .wechat .wx-band{max-width:520px}
}

.fform .ff-hint{
  margin:0 0 2px;font-size:12.5px;line-height:19px;color:#3D4A47;
}
.fform .ff-hint b{color:var(--brand,#0B6283);font-weight:700}
@media (max-width:1080px){
  .fform .ff-hint{margin:0}
}

/* =========================================================
   v21 · 页脚通栏平铺（与 v20 尾页表单同一套 1120 通栏 / 32 边距）
   ========================================================= */
.site-footer{padding:36px 0 56px}

.ffoot{
  display:grid;
  /* 四区等分（1120 - 3×32 = 1024 / 4 = 256），横向均匀铺开 */
  grid-template-columns:repeat(4,minmax(0,1fr));
  column-gap:32px;row-gap:30px;align-items:start;
  padding-top:32px;padding-bottom:30px;
  border-bottom:1px solid #1D3140;
}
.ff-col{min-width:0}
.site-footer .ffoot .fbrand{margin:0 0 10px}

.ff-h{
  margin:0 0 10px;font-size:12px;line-height:18px;font-weight:600;
  letter-spacing:.06em;color:#7E96A6;
}
.ff-lead,.ff-sub{margin:0;font-size:12.5px;line-height:1.85;color:#9FB4C1}
.ff-lead{color:#8FA3B0}
.ff-num{
  margin:0 0 4px;font-size:17px;line-height:26px;font-weight:700;
  letter-spacing:.04em;color:#E7F0F5;
}

.ff-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin:0}
.site-footer .ff-links a{
  margin:0;padding:0;min-height:0;font-size:12.5px;line-height:1.85;
  color:#C6D5E0;display:inline-block;
}
.site-footer .ff-links a:hover{color:#fff}

.ffoot-base{padding-top:16px;padding-bottom:0}
.ff-icp{margin:0;font-size:12px;line-height:20px;color:#7E96A6}

/* 平板：品牌独占一行，其余三块等分 */
@media (max-width:900px){
  .ffoot{
    grid-template-columns:repeat(3,minmax(0,1fr));
    column-gap:24px;row-gap:26px;
  }
  .ff-col-brand{grid-column:1/-1}
}
/* 移动：品牌与主体信息通栏，联系方式 / 协议规则并排两列 */
@media (max-width:719px){
  /* 页脚自身吃掉 .mbar 高度，body 不再留占位 → 底部无白条、无大片空暗块 */
  body{padding-bottom:0}
  /* 底栏浮在深色页脚之上（不再产生白条）；隐藏时也不留大片空暗块 */
  .site-footer{padding:26px 0 76px}
  .ffoot{
    padding-top:24px;padding-bottom:22px;
    grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px;row-gap:22px;
  }
  .ffoot .ff-col-brand{grid-column:1/-1}
  .ffoot > .ff-col:last-child{grid-column:1/-1}
  .ffoot-base{padding-top:14px}
  .ff-num{font-size:16px;letter-spacing:.02em}
  /* 移动端链接热区 */
  .site-footer .ff-links a{padding:6px 0;min-height:32px;display:inline-flex;align-items:center}
}
/* 超窄：单列 */
@media (max-width:359px){
  .ffoot{grid-template-columns:1fr}
  .ffoot .ff-col-brand,.ffoot > .ff-col,.ffoot > .ff-col:last-child{grid-column:1/-1}
}

/* 联系方式列内的次级链接上留一点间距 */
.ff-col .ff-sub + .ff-links{margin-top:8px}

/* =========================================================
   v22 · 左下角悬浮数字人视频
   - 固定左下，尺寸克制，不与正文/左侧 rail（含返回顶部）冲突
   - 圆角气泡 + 关闭收起为小圆头像，状态存 localStorage
   ========================================================= */
.dhuman{
  position:fixed;left:10px;bottom:20px;z-index:55;
  display:flex;flex-direction:column;align-items:flex-start;
  -webkit-tap-highlight-color:transparent;
  transition:opacity .2s ease;
}
/* 左侧 rail 在 1380+ 出现且垂直居中，数字人贴底，二者不重叠；
   若视口过矮（<680），让位给 rail 的返回顶部按钮 */
@media (max-width:1379px){
  .dhuman{left:14px;bottom:18px}
}

/* ---------- 视频卡片 ---------- */
.dh-card{
  position:relative;width:148px;aspect-ratio:3/4;
  border-radius:16px;overflow:hidden;background:#0B3F55;
  box-shadow:0 14px 34px rgba(8,40,54,.28),0 2px 8px rgba(8,40,54,.14);
  border:1px solid rgba(255,255,255,.10);
  transform-origin:bottom left;
  animation:dhIn .34s cubic-bezier(.2,.8,.3,1) both;
}
@keyframes dhIn{from{opacity:0;transform:translateY(10px) scale(.94)}to{opacity:1;transform:none}}
.dh-video,.dh-fallback{
  display:block;width:100%;height:100%;object-fit:cover;object-position:50% 18%;
}
.dh-video{background:#0B3F55}
/* 未加载/失败时：视频淡出，露出 poster 兜底图（永不留黑屏） */
.dh-video[data-failed="1"]{opacity:0}
.dh-fallback{position:absolute;inset:0;z-index:0}
.dh-video{position:relative;z-index:1;transition:opacity .2s ease}

/* 关闭按钮 */
.dh-close{
  position:absolute;right:6px;top:6px;z-index:5;
  width:26px;height:26px;padding:0;border:0;border-radius:50%;
  background:rgba(9,32,42,.62);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  transition:background .16s ease;
}
.dh-close:hover{background:rgba(9,32,42,.85)}
.dh-close svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:2.2;stroke-linecap:round}
.dh-close:focus-visible{outline:2px solid #fff;outline-offset:2px}


/* 声音开关：气泡右上，关闭按钮左侧；静音时喇叭带呼吸光圈提示 */
.dh-sound{
  position:absolute;right:36px;top:6px;z-index:5;
  width:26px;height:26px;padding:0;border:0;border-radius:50%;
  background:rgba(9,32,42,.62);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  transition:background .16s ease;
}
.dh-sound:hover{background:rgba(9,32,42,.85)}
.dh-sound svg{
  width:14px;height:14px;fill:none;stroke:#fff;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round;
}
.dh-sound .s-on{display:none}
.dh-sound:not(.is-muted) .s-off{display:none}
.dh-sound:not(.is-muted) .s-on{display:block}
.dh-sound:focus-visible{outline:2px solid #fff;outline-offset:2px}

/* 底部说明条 */
.dh-tag{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:18px 9px 8px;margin:0;
  background:linear-gradient(180deg,rgba(6,26,36,0) 0%,rgba(6,26,36,.74) 58%,rgba(6,26,36,.9) 100%);
  color:#fff;font-size:10.5px;line-height:15px;font-weight:600;letter-spacing:.01em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.dh-tag b{color:#9FE0F0;font-weight:700}
.dh-tag-s{display:none}

/* ---------- 收起后的小圆头像 ---------- */
.dh-mini{
  position:absolute;left:0;bottom:0;
  width:56px;height:56px;padding:0;border:0;border-radius:50%;
  overflow:hidden;cursor:pointer;background:#0B3F55;
  box-shadow:0 8px 22px rgba(8,40,54,.3),0 0 0 2px rgba(255,255,255,.9);
  opacity:0;visibility:hidden;pointer-events:none;transform:scale(.9);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  animation:dhPulse 3.4s ease-in-out infinite;
}
@keyframes dhPulse{
  0%,100%{box-shadow:0 8px 22px rgba(8,40,54,.3),0 0 0 2px rgba(255,255,255,.9)}
  50%{box-shadow:0 8px 22px rgba(8,40,54,.3),0 0 0 2px rgba(255,255,255,.9),0 0 0 8px rgba(11,98,131,.18)}
}
.dh-mini img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 16%}
.dh-mini:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

/* 收起态（桌面）：卡片隐藏，只留小圆头像 */
.dhuman.is-min .dh-card{display:none}
.dhuman.is-min .dh-mini{opacity:1;visibility:visible;pointer-events:auto;transform:none}
/* 完全不展示（用户关闭整块）时 */
.dhuman.is-off{display:none}
/* 移动端滚动阅读中：淡出让开正文 */
.dhuman.dh-away{opacity:0;pointer-events:none}

/* ---------- 移动端：缩小 + 避让底栏 ---------- */
@media (max-width:719px){
  .dhuman{left:9px;bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .dh-card{width:92px;border-radius:11px;box-shadow:0 10px 24px rgba(8,40,54,.26)}
  .dh-mini{width:46px;height:46px}
  .dh-close{right:4px;top:4px;width:22px;height:22px}
  .dh-close svg{width:11px;height:11px}
  .dh-sound{right:29px;top:4px;width:22px;height:22px}

  .dh-sound svg{width:11px;height:11px}
  /* 视觉仍是 22px 小图标，热区扩到 44px（不显眼但点得到） */
  .dh-sound::after{content:"";position:absolute;inset:-11px;border-radius:50%}
  .dh-tag{display:none}   /* 小屏卡片极简，只留人物 + 关闭，不叠文字 */

  /* 移动端「收起」= 收成圆形小气泡，视频继续无声播放，点一下展开 */
  .dhuman.is-min .dh-card{
    display:block;width:74px;aspect-ratio:1/1;border-radius:50%;
    animation:none;cursor:pointer;
    box-shadow:0 8px 20px rgba(8,40,54,.28),0 0 0 2px #fff,0 0 0 3px rgba(11,98,131,.10);
  }
  .dhuman.is-min .dh-mini{display:none}
  .dhuman.is-min .dh-close{display:none}
  .dhuman.is-min .dh-video,
  .dhuman.is-min .dh-fallback{object-position:50% 24%}
}
/* 矮屏：rail 垂直居中会下探到低处，此时数字人右移让开，绝不压住 rail / 返回顶部 */
@media (min-width:1380px) and (max-height:660px){
  .dhuman{left:86px;bottom:14px}
  .dh-card{width:126px}
}
@media print{ .dhuman{display:none!important} }
/* 尊重减少动态效果 */
@media (prefers-reduced-motion:reduce){
  .dh-card,.dh-mini{animation:none}
  .dh-video{display:none}
}