/* ============================================================
   产品展示站 · 共享样式（移动优先）
   主色：深蓝 × 金；断点 576 / 768 / 992 / 1200
   ============================================================ */
:root{
  --ink:#0B1220;
  --ink-2:#16203A;
  --ink-3:#5B6478;
  --ink-4:#8A93A6;
  --line:#E5E8EF;
  --line-2:#EEF1F6;
  --bg:#FFFFFF;
  --bg-2:#F6F8FC;
  --bg-3:#EFF3F9;
  --gold:#D8B24C;
  --gold-deep:#8A6D0B;
  --gold-soft:#FCF7E8;
  --gold-grad:linear-gradient(135deg,#EBD07E 0%,#D0A637 55%,#B98F1F 100%);
  /* Hero 区专用主题变量（多主题配色切换用） */
  --hero-bg:linear-gradient(160deg,#0C1425 0%,#101C33 52%,#0A1120 100%);
  --hero-glow-a:rgba(216,178,76,.30);
  --hero-glow-b:rgba(59,110,214,.28);
  --hero-accent:#F0D68C;
  --hero-accent-2:#F2DA9B;
  --hero-eyebrow-bd:rgba(216,178,76,.42);
  --hero-eyebrow-bg:rgba(216,178,76,.10);
  --ok:#137A47;
  --warn:#9A5B00;
  --err:#B3261E;
  --radius:16px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(11,18,32,.06),0 4px 14px rgba(11,18,32,.05);
  --shadow-md:0 6px 22px rgba(11,18,32,.09);
  --shadow-lg:0 18px 48px rgba(11,18,32,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.65 system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid #2B6CB0;outline-offset:2px;border-radius:6px}

.wrap{width:min(1180px,92%);margin-inline:auto}
.skip{
  position:absolute;left:-9999px;top:8px;z-index:200;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;
}
.skip:focus{left:16px}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(1.6) blur(12px);
  border-bottom:1px solid var(--line-2);
}
.nav-inner{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.4px;margin-right:auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--gold-grad);
  display:grid;place-items:center;color:#2A2000;flex:none;
}
.brand-mark svg{width:19px;height:19px}
.brand small{display:block;font-size:10px;font-weight:600;color:var(--ink-4);letter-spacing:1.4px}
.nav-links{display:none;gap:22px;font-size:14.5px;font-weight:600;color:var(--ink-3)}
.nav-links a{padding:6px 2px;border-bottom:2px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.nav-links a:hover{color:var(--ink);border-color:var(--gold)}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--ink);color:#fff;border-radius:999px;
  padding:9px 16px;font-size:14px;font-weight:700;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.nav-cta:hover{background:var(--ink-2);transform:translateY(-1px)}
.nav-cta svg{width:15px;height:15px}
@media(min-width:900px){.nav-links{display:flex}}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(1200px 520px at 88% -10%,var(--hero-glow-a),transparent 62%),
    radial-gradient(760px 420px at 4% 8%,var(--hero-glow-b),transparent 60%),
    var(--hero-bg);
}
.hero-grid{display:grid;gap:34px;padding:52px 0 60px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.8px;color:var(--hero-accent);text-transform:uppercase;
  border:1px solid var(--hero-eyebrow-bd);border-radius:999px;padding:6px 14px;background:var(--hero-eyebrow-bg);
}
.hero h1{
  font-size:clamp(28px,6.2vw,50px);line-height:1.14;letter-spacing:-.4px;
  margin-top:18px;font-weight:850;
}
.hero h1 .gold{
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{margin-top:16px;font-size:clamp(15px,2.4vw,17px);color:rgba(255,255,255,.80);max-width:52ch}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stat{
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  border-radius:14px;padding:12px 18px;min-width:104px;
}
.hero-stat b{display:block;font-size:21px;color:var(--hero-accent-2);letter-spacing:.3px}
.hero-stat span{font-size:12px;color:rgba(255,255,255,.68)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border:0;border-radius:999px;padding:13px 24px;font-size:15px;font-weight:750;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn svg{width:17px;height:17px}
.btn-gold{background:var(--gold-grad);color:#2A2000;box-shadow:0 8px 22px rgba(208,166,55,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(208,166,55,.42)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.24)}
.btn-ghost:hover{background:rgba(255,255,255,.17);transform:translateY(-2px)}

.hero-collage{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-self:center}
.hero-card{
  border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);aspect-ratio:1/1;
}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card:nth-child(2),.hero-card:nth-child(5){transform:translateY(-14px)}
@media(min-width:900px){
  .hero-grid{grid-template-columns:1.06fr .94fr;align-items:center;padding:74px 0 82px;gap:52px}
}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0}
.section.alt{background:var(--bg-2)}
.sec-head{max-width:660px;margin-bottom:32px}
.sec-tag{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:2px;
  color:var(--gold-deep);background:var(--gold-soft);border-radius:999px;padding:5px 13px;
}
.sec-head h2{font-size:clamp(22px,4.2vw,34px);line-height:1.22;margin-top:14px;letter-spacing:-.3px}
.sec-head p{margin-top:12px;color:var(--ink-3);font-size:15.5px}
.sec-head.center{margin-inline:auto;text-align:center}

/* ---------- 产品网格 ---------- */
.grid-products{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(272px,1fr))}
.pcard{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#D9DFEA}
.pcard-media{position:relative;display:block;aspect-ratio:4/3;background:var(--bg-3);overflow:hidden}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.pcard:hover .pcard-media img{transform:scale(1.04)}
.pcard-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(11,18,32,.80);color:#fff;font-size:11.5px;font-weight:600;
  border-radius:999px;padding:4px 11px;backdrop-filter:blur(6px);
}
.pcard-num{
  position:absolute;right:12px;top:12px;z-index:2;
  background:var(--gold-grad);color:#2A2000;font-size:11.5px;font-weight:850;
  border-radius:999px;padding:4px 11px;letter-spacing:.6px;
}
.pcard-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.pcard-body h3{font-size:18.5px;letter-spacing:-.2px;word-break:break-word}
.pcard-sub{font-size:13.5px;color:var(--ink-3);line-height:1.55}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  font-size:11.5px;font-weight:600;color:var(--ink-2);
  background:var(--bg-3);border-radius:999px;padding:4px 10px;
}
.pcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:8px}
.pcard-count{font-size:12px;color:var(--ink-4);font-weight:600}
.pcard-go{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:800;color:var(--gold-deep);
}
.pcard-go svg{width:15px;height:15px;transition:transform .24s var(--ease)}
.pcard:hover .pcard-go svg{transform:translateX(3px)}
.pcard-link{position:absolute;inset:0;z-index:3;border-radius:inherit}

/* 骨架屏 / 空态 / 错误 */
.skeleton{border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);overflow:hidden}
.skeleton .sk-media{aspect-ratio:4/3;background:linear-gradient(90deg,#EFF2F7 25%,#E4E9F1 37%,#EFF2F7 63%);background-size:400% 100%;animation:sk 1.4s ease-in-out infinite}
.skeleton .sk-line{height:13px;border-radius:7px;margin:14px 18px;background:linear-gradient(90deg,#EFF2F7 25%,#E4E9F1 37%,#EFF2F7 63%);background-size:400% 100%;animation:sk 1.4s ease-in-out infinite}
.skeleton .sk-line.short{width:52%}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
@media(prefers-reduced-motion:reduce){.skeleton .sk-media,.skeleton .sk-line{animation:none}}

.state{
  border:1px dashed #CBD3E0;border-radius:var(--radius-lg);background:#fff;
  padding:44px 24px;text-align:center;color:var(--ink-3);
}
.state svg{width:40px;height:40px;color:var(--ink-4);margin:0 auto 14px}
.state b{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}
.state p{font-size:14px;max-width:46ch;margin:0 auto}
.state .btn{margin-top:18px}
.state.err{border-color:#F1C9C6;background:#FFF8F7}
.state.err svg{color:var(--err)}

/* ---------- 产品详情页 ---------- */
.crumb{background:var(--bg-2);border-bottom:1px solid var(--line-2);font-size:13.5px;color:var(--ink-3)}
.crumb .wrap{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:12px 0}
.crumb a:hover{color:var(--gold-deep);text-decoration:underline}
.crumb em{font-style:normal;color:var(--ink);font-weight:700}

.p-hero{padding:34px 0 10px}
.p-hero-grid{display:grid;gap:30px}
@media(min-width:900px){.p-hero-grid{grid-template-columns:1.02fr .98fr;gap:46px;align-items:start}}
.gallery{display:grid;gap:12px}
.gallery-main{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-3);cursor:zoom-in;aspect-ratio:1/1;
}
.gallery-main img{width:100%;height:100%;object-fit:contain;background:#fff}
.gallery-count{
  position:absolute;right:12px;bottom:12px;
  background:rgba(11,18,32,.78);color:#fff;font-size:12px;font-weight:600;
  border-radius:999px;padding:4px 11px;backdrop-filter:blur(6px);
}
.thumbs{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.thumb{
  flex:none;width:70px;height:70px;border-radius:12px;overflow:hidden;
  border:2px solid transparent;background:var(--bg-3);transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb:hover{transform:translateY(-2px)}
.thumb[aria-selected="true"]{border-color:var(--gold)}
.p-num{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:1.6px;
  color:var(--gold-deep);background:var(--gold-soft);border-radius:999px;padding:5px 13px;
}
.p-intro h1{font-size:clamp(24px,4.6vw,38px);line-height:1.18;margin-top:14px;letter-spacing:-.4px;word-break:break-word}
.p-sub{margin-top:10px;font-size:16px;font-weight:650;color:var(--ink-2)}
.p-desc{margin-top:14px;color:var(--ink-3);font-size:15px}
.p-intro .chips{margin-top:18px}
.spec-list{margin-top:22px;border-top:1px solid var(--line)}
.spec-list li{display:flex;gap:14px;padding:11px 0;border-bottom:1px solid var(--line-2);font-size:14.5px}
.spec-list li b{flex:none;width:88px;color:var(--ink-4);font-weight:600}
.spec-list li span{color:var(--ink);font-weight:650}
.p-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.p-actions .btn-gold{box-shadow:0 10px 26px rgba(208,166,55,.34)}

.feats{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.feat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow-sm);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.feat-ico{
  width:42px;height:42px;border-radius:13px;background:var(--gold-soft);
  display:grid;place-items:center;color:var(--gold-deep);margin-bottom:14px;
}
.feat-ico svg{width:21px;height:21px}
.feat b{display:block;font-size:15.5px;margin-bottom:6px}
.feat p{font-size:13.8px;color:var(--ink-3)}

.detail-slices{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-md);display:flex;flex-direction:column;
}
.d-slice{margin:0;cursor:zoom-in}
.d-slice:hover{opacity:.97}
.d-slice img{width:100%;display:block}

/* ---------- 联系 ---------- */
.contact-band{
  background:linear-gradient(160deg,#0C1425 0%,#12203A 60%,#0A1120 100%);
  color:#fff;text-align:center;padding:60px 0;
}
.contact-band h2{font-size:clamp(22px,4.4vw,32px);letter-spacing:-.3px}
.contact-band p{margin-top:12px;color:rgba(255,255,255,.74);font-size:15px}
.phone-big{
  display:inline-flex;align-items:center;gap:12px;margin-top:26px;
  font-size:clamp(24px,6vw,40px);font-weight:850;letter-spacing:1px;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  transition:transform .22s var(--ease);
}
.phone-big:not(.static):hover{transform:scale(1.03)}
.phone-big svg{width:1em;height:1em;-webkit-text-fill-color:#EBD07E}
.contact-hours{margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.62)}
.contact-hours b{color:#F0D68C}

/* ---------- 页脚 ---------- */
.site-foot{background:#080D18;color:rgba(255,255,255,.66);font-size:13.5px;padding:44px 0 30px}
.foot-grid{display:grid;gap:26px}
@media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr}}
.foot-brand b{color:#fff;font-size:16px;display:block;margin-bottom:8px}
.foot-brand p{max-width:42ch;line-height:1.7}
.foot-links{display:flex;flex-wrap:wrap;gap:10px 22px}
.foot-links a:hover{color:#F0D68C}
.foot-copy{margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);font-size:12.5px;color:rgba(255,255,255,.42)}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;z-index:120;display:none;
  background:rgba(6,10,18,.94);align-items:center;justify-content:center;padding:16px;
}
.lightbox.open{display:flex}
.lightbox img{max-width:min(94vw,1180px);max-height:88vh;object-fit:contain;border-radius:12px}
.lightbox.lb-tall{overflow-y:auto;align-items:flex-start;padding:64px 16px 40px}
.lightbox.lb-tall img{max-width:min(94vw,880px);max-height:none;height:auto}
.lb-btn{
  position:fixed;z-index:130;background:rgba(255,255,255,.14);color:#fff;border:0;
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  backdrop-filter:blur(6px);transition:background .2s var(--ease);
}
.lb-btn:hover{background:rgba(255,255,255,.26)}
.lb-btn svg{width:22px;height:22px}
.lb-close{top:18px;right:18px}
.lb-prev{left:14px;top:50%;transform:translateY(-50%)}
.lb-next{right:14px;top:50%;transform:translateY(-50%)}
.lb-count{
  position:fixed;top:24px;left:50%;transform:translateX(-50%);z-index:130;
  color:#fff;font-size:13px;background:rgba(255,255,255,.14);border-radius:999px;
  padding:5px 14px;backdrop-filter:blur(6px);
}

/* ---------- 滚动渐显（仅 transform/opacity）----------
   仅当 app.js 成功加载并打上 .reveal-ready 类后才生效，
   这样脚本被拦截或加载失败时内容依然可见 */
html.reveal-ready .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.reveal-ready .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important}
}
.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;
}

/* ============================================================
   多主题配色（后台「站点设置」可切换，html[data-theme] 控制）
   ============================================================ */
/* 翡翠绿 */
html[data-theme="emerald"]{
  --gold:#3BB273;--gold-deep:#1D6E4E;--gold-soft:#E9F7F0;
  --gold-grad:linear-gradient(135deg,#6FD3A6 0%,#3BAF7E 55%,#2A8A63 100%);
  --hero-bg:linear-gradient(160deg,#0A1F18 0%,#0E2A20 52%,#071712 100%);
  --hero-glow-a:rgba(59,178,115,.30);--hero-glow-b:rgba(24,120,90,.28);
  --hero-accent:#9BE8C4;--hero-accent-2:#AEEEE0;
  --hero-eyebrow-bd:rgba(59,178,115,.45);--hero-eyebrow-bg:rgba(59,178,115,.10);
}
/* 勃艮第酒红 */
html[data-theme="wine"]{
  --gold:#C0392B;--gold-deep:#8E2A20;--gold-soft:#FBEDEA;
  --gold-grad:linear-gradient(135deg,#E8927C 0%,#C0392B 55%,#96281B 100%);
  --hero-bg:linear-gradient(160deg,#210A0D 0%,#2E1013 52%,#170608 100%);
  --hero-glow-a:rgba(192,57,43,.30);--hero-glow-b:rgba(150,40,27,.30);
  --hero-accent:#F5B8AC;--hero-accent-2:#F3C6BB;
  --hero-eyebrow-bd:rgba(192,57,43,.45);--hero-eyebrow-bg:rgba(192,57,43,.10);
}
/* 紫罗兰 */
html[data-theme="violet"]{
  --gold:#8A66D9;--gold-deep:#5B3FA0;--gold-soft:#F2EDFC;
  --gold-grad:linear-gradient(135deg,#B79CE8 0%,#8A66D9 55%,#6A48B8 100%);
  --hero-bg:linear-gradient(160deg,#140F26 0%,#1B1436 52%,#0E0A1C 100%);
  --hero-glow-a:rgba(138,102,217,.32);--hero-glow-b:rgba(90,60,180,.28);
  --hero-accent:#CDB8F2;--hero-accent-2:#D5C4F4;
  --hero-eyebrow-bd:rgba(138,102,217,.45);--hero-eyebrow-bg:rgba(138,102,217,.10);
}
/* 海洋蓝 */
html[data-theme="ocean"]{
  --gold:#3D9BD9;--gold-deep:#1F6396;--gold-soft:#E9F4FB;
  --gold-grad:linear-gradient(135deg,#7FC8F2 0%,#3D9BD9 55%,#2A6FB0 100%);
  --hero-bg:linear-gradient(160deg,#0A1626 0%,#0F2238 52%,#081120 100%);
  --hero-glow-a:rgba(61,155,217,.32);--hero-glow-b:rgba(30,100,170,.30);
  --hero-accent:#A9D8F5;--hero-accent-2:#B4DEF7;
  --hero-eyebrow-bd:rgba(61,155,217,.45);--hero-eyebrow-bg:rgba(61,155,217,.10);
}
/* 曜石黑 */
html[data-theme="charcoal"]{
  --gold:#E8862E;--gold-deep:#A85B12;--gold-soft:#FCF1E4;
  --gold-grad:linear-gradient(135deg,#F5B26B 0%,#E8862E 55%,#C96A15 100%);
  --hero-bg:linear-gradient(160deg,#121212 0%,#1B1B1B 52%,#0C0C0C 100%);
  --hero-glow-a:rgba(232,134,46,.26);--hero-glow-b:rgba(255,255,255,.08);
  --hero-accent:#F5C08A;--hero-accent-2:#F3C795;
  --hero-eyebrow-bd:rgba(232,134,46,.42);--hero-eyebrow-bg:rgba(232,134,46,.10);
}

/* ============================================================
   产品价格
   ============================================================ */
.pcard-price{
  font-size:17px;font-weight:850;color:var(--gold-deep);letter-spacing:.2px;
}
.pcard-price small{font-size:11.5px;font-weight:700;color:var(--ink-4);margin-right:2px}
.p-price{
  margin-top:2px;font-size:26px;font-weight:850;color:var(--gold-deep);letter-spacing:.3px;
}
.p-price small{font-size:13px;font-weight:700;color:var(--ink-4);margin-right:4px}

/* ============================================================
   悬浮在线客服（微信 / QQ / 在线咨询）
   ============================================================ */
.sv{position:fixed;right:16px;bottom:18px;z-index:90}
.sv-fab{
  display:inline-flex;align-items:center;gap:8px;
  border:0;border-radius:999px;padding:12px 18px;
  background:var(--ink);color:#fff;font-size:14.5px;font-weight:750;
  box-shadow:var(--shadow-lg);
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.sv-fab svg{width:18px;height:18px;flex:none}
.sv-fab:hover{background:var(--ink-2);transform:translateY(-2px)}
.sv.open .sv-fab{display:none}

.sv-panel{
  width:min(320px,calc(100vw - 32px));
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);overflow:hidden;
  animation:svIn .22s var(--ease);
}
@keyframes svIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.sv-head{
  position:relative;padding:16px 18px;
  background:linear-gradient(135deg,var(--ink) 0%,var(--ink-2) 100%);color:#fff;
}
.sv-head b{display:block;font-size:15.5px}
.sv-head span{display:block;margin-top:3px;font-size:12.5px;color:rgba(255,255,255,.72)}
.sv-close{
  position:absolute;right:12px;top:12px;width:26px;height:26px;
  border:0;border-radius:8px;background:rgba(255,255,255,.14);color:#fff;
  font-size:13px;line-height:1;
}
.sv-close:hover{background:rgba(255,255,255,.26)}

.sv-tabs{display:flex;gap:4px;padding:10px 12px 0;border-bottom:1px solid var(--line-2)}
.sv-tab{
  flex:1;border:0;background:none;padding:9px 4px;font-size:13.5px;font-weight:700;color:var(--ink-3);
  border-bottom:2px solid transparent;
}
.sv-tab[aria-selected="true"]{color:var(--ink);border-color:var(--gold)}
.sv-body{padding:14px 16px 16px;max-height:min(60vh,420px);overflow:auto}
.sv-pane[hidden]{display:none}

.sv-qr{width:190px;margin:2px auto 8px;border:1px solid var(--line);border-radius:12px;padding:6px;background:#fff}
.sv-tip{margin:6px 0 10px;font-size:12.5px;color:var(--ink-4);text-align:center;line-height:1.5}
.sv-row{
  display:flex;align-items:center;gap:8px;margin-top:8px;
  padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--bg-2);
  font-size:14px;
}
.sv-row span{color:var(--ink-4);font-size:12.5px;flex:none}
.sv-row b{margin-left:auto;font-weight:800;letter-spacing:.3px;word-break:break-all}
.sv-row i{font-style:normal;font-size:12.5px;font-weight:700;color:var(--gold-deep);flex:none}
.sv-link{transition:border-color .2s var(--ease)}
.sv-link:hover{border-color:var(--gold)}
.sv-mini{
  flex:none;border:1px solid var(--line);background:var(--bg);color:var(--ink-3);
  border-radius:8px;padding:4px 9px;font-size:12px;font-weight:700;
}
.sv-mini:hover{color:var(--ink);border-color:var(--gold)}

.sv-field{display:block;margin-bottom:10px;font-size:13px;font-weight:700;color:var(--ink-3)}
.sv-field .input,.sv-field .textarea{
  display:block;width:100%;margin-top:5px;padding:10px 12px;
  border:1px solid var(--line);border-radius:10px;background:var(--bg);
  color:var(--ink);font:400 14px/1.6 inherit;
}
.sv-field .textarea{min-height:78px;resize:vertical}
.sv-field .input:focus,.sv-field .textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(216,178,76,.18);
}
.sv-submit{width:100%;margin-top:4px}
.sv-note{margin:9px 0 0;font-size:12.5px;line-height:1.55;min-height:0}
.sv-note.ok{color:var(--ok)}
.sv-note.err{color:var(--err)}
@media(max-width:575px){
  .sv{right:12px;bottom:12px}
  .sv-fab{padding:11px 15px;font-size:14px}
  .sv-body{max-height:min(62vh,440px)}
}

/* ============================================================
   实时聊天窗（悬浮客服 · 在线咨询页签）
   ============================================================ */
.sv-chat{display:flex;flex-direction:column}
.sv-chat-list{
  height:min(46vh,300px);overflow-y:auto;padding:2px 2px 6px;
  display:flex;flex-direction:column;gap:8px;
  scrollbar-width:thin;
}
.sv-bub{
  max-width:82%;padding:8px 11px;border-radius:14px;
  font-size:13.5px;line-height:1.55;word-break:break-word;
  position:relative;animation:svIn .18s var(--ease);
}
.sv-bub p{margin:0}
.sv-bub.admin{
  align-self:flex-start;background:var(--bg-3);color:var(--ink);
  border-bottom-left-radius:4px;
}
.sv-bub.visitor{
  align-self:flex-end;background:var(--gold-grad);color:#fff;
  border-bottom-right-radius:4px;
}
.sv-bub-time{display:block;margin-top:3px;font-size:10.5px;opacity:.62;text-align:right}
.sv-sys{
  align-self:center;font-size:12px;color:var(--ink-4);text-align:center;
  padding:2px 8px;line-height:1.5;
}
.sv-quick{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 0}
.sv-chip{
  border:1px solid var(--line);background:var(--bg);color:var(--ink-3);
  border-radius:999px;padding:5px 11px;font-size:12.5px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.sv-chip:hover{border-color:var(--gold);color:var(--ink)}
.sv-chat-form{display:flex;gap:8px;margin-top:10px}
.sv-chat-form .input{flex:1;min-width:0;padding:9px 12px}
.sv-send{padding:9px 16px;flex:none}

/* QQ 渠道：唤起失败提示 + 网页版兜底入口 */
.sv-tip.warn{color:var(--gold-deep);text-align:left;line-height:1.6}
.sv-qq-web{display:block;width:100%;margin-top:8px;padding:7px 10px;text-align:center;border-radius:8px}