:root{
  --bg:#fff8fb;--white:#fff;--soft:#fff0f6;--soft2:#fde6f1;
  --ink:#16122b;--text:#2b2540;--muted:#6f6883;--dim:#a39cb3;
  --line:#f1dbe7;--line2:#e9cfe0;
  --pink:#ec2f86;--magenta:#d42ea0;--purple:#8e3bd9;
  --grad:linear-gradient(100deg,#ff3d8b 0%,#d42ea0 50%,#8e3bd9 100%);
  --shadow:0 10px 30px rgba(180,40,120,.10);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --hand:"Segoe Script","Bradley Hand","Brush Script MT","Comic Sans MS",cursive;
}
*{box-sizing:border-box;margin:0;padding:0}
/* 页面本身不允许横向滚动：clip 不会像 hidden 那样把 body 变成滚动容器，
   sticky 导航仍然贴着视口；overscroll-behavior-x 关掉左右「拉动」手势。
   scrollbar-gutter 预留滚动条槽位——注册成功后表单塌缩、页面变短，
   否则滚动条消失会让整页横向位移一下 */
html{-webkit-text-size-adjust:100%;overflow-x:clip;overscroll-behavior-x:none;scrollbar-gutter:stable}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip;max-width:100%;overscroll-behavior-x:none}
html:lang(ko) body{word-break:keep-all}
html:lang(zh-CN){--font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Segoe UI",Roboto,sans-serif}
html:lang(zh-TW){--font:system-ui,-apple-system,"PingFang TC","Microsoft JhengHei","Noto Sans TC","Segoe UI",Roboto,sans-serif}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.pink{color:var(--pink)}
/* nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:12px}
/* 登录后右上角多了用户名 chip，flex 子项默认 min-width:auto 会撑破导航行 */
.nav .wrap>*{min-width:0}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand>span{min-width:0;overflow:hidden}
/* 登录后右上角多出用户名，窄屏上品牌文字必须截断，
   否则会溢出自己的盒子压到用户名上（甚至把整页撑出横向滚动） */
.brand b{display:block;font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:600}
.menu a.on{color:var(--pink);border-bottom:2px solid var(--pink);padding-bottom:3px}
.lang{-webkit-appearance:none;appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23ec2f86' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 10px center;border:1px solid var(--line2);font-size:13px;padding:7px 26px 7px 11px;border-radius:999px;outline:none;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:13px 26px;transition:transform .15s,box-shadow .2s,opacity .2s}
.btn:active{transform:scale(.98)}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(212,46,160,.32)}
.btn-main:hover{box-shadow:0 12px 28px rgba(212,46,160,.42)}
.btn-line{border:1.5px solid var(--line2);background:#fff}
.btn-block{width:100%}
.btn-lg{padding:16px 28px;font-size:16px}
.btn[disabled]{opacity:.45;pointer-events:none}
/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:330px;gap:20px}
.hero h1{font-size:clamp(36px,5.6vw,62px);line-height:1.02;font-weight:900;color:var(--ink);letter-spacing:-.03em}
.hero h1 span{display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .tagline{font-size:clamp(19px,2.4vw,25px);font-weight:800;color:var(--ink);margin:12px 0 8px}
.hero p.lead{font-size:16px;color:var(--text);max-width:440px}
.badges{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;font-size:13px;font-weight:600;color:var(--text)}
.badges span{display:flex;align-items:center;gap:7px}
.badges svg{color:var(--pink)}
.hero-txt{padding:28px 0 52px}
.hero-cta{margin-top:22px}
.hero-img{position:relative;align-self:stretch;min-height:330px;border-radius:0 0 0 60px;overflow:hidden;
  background:linear-gradient(135deg,#ffd1e4,#f7b6d6 40%,#d9b8ff)}
.hero-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:68% 30%;z-index:1;display:block}
.hero-img::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,0) 28%)}
.hero-img .ph{position:absolute;inset:0;display:grid;place-items:center;font-size:110px;opacity:.55;z-index:0}
.hero-img.has-img .ph{display:none}
.note{position:absolute;font-family:var(--hand);color:var(--ink);font-size:19px;line-height:1.15;transform:rotate(-12deg);z-index:3}
.note.n1{top:26px;right:26px;text-align:center}
.hero-img.has-img .note{color:#fff;background:linear-gradient(120deg,rgba(255,61,139,.92),rgba(142,59,217,.88));padding:8px 14px 9px;border-radius:16px;box-shadow:0 6px 18px rgba(212,46,160,.35)}
.hero-img.has-img .note svg{display:none}
.hero-img.has-img .note.n1{top:34px;left:70px;right:auto}
.note svg{display:block;margin:4px auto 0;color:var(--pink)}
/* featured carousel */
.feat{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:18px 18px 14px;margin-top:-20px;position:relative;z-index:3}
.feat-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.feat-head h2{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--ink)}
.feat-head h2 i{width:30px;height:30px;border-radius:50%;background:var(--grad);display:grid;place-items:center}
.feat-tools{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.arrow{width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid var(--line2);display:grid;place-items:center;font-size:18px;color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.06)}
.track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 32px) / 3);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;padding:2px}
.track::-webkit-scrollbar{display:none}
/* 拖动时关掉吸附，否则每移动几像素就被强制拉回卡片边缘，手感很粘 */
.track.dragging{scroll-snap-type:none;cursor:grabbing;user-select:none;-webkit-user-select:none}
.vcard{position:relative;aspect-ratio:4/5;border-radius:16px;overflow:hidden;scroll-snap-align:start;cursor:pointer;isolation:isolate;background:#f3e3ee}
.vcard video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 15%;z-index:-3}
.vcard .ph{position:absolute;inset:0;z-index:-4;display:grid;place-items:center;font-size:64px}
/* 封面单独一层盖在视频上：挂 src 后浏览器会立刻清掉 poster，
   缓冲期间就会露出黑底。视频真正出帧（loadeddata）后再淡出 */
.vcard .cover{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center 15%;transition:opacity .35s ease}
.vcard.ready .cover{opacity:0}
/* 加载指示：缓冲时替代中间那个播放按钮 */
.vcard .ld{position:absolute;top:50%;left:50%;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;animation:spin .8s linear infinite;display:none;z-index:3}
.vcard.loading .ld{display:block}
.vcard.loading .play{display:none}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.vcard .ld{animation-duration:2s}}
.vcard::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(0,0,0,0) 50%,rgba(20,8,24,.72))}
.vcard .chip{position:absolute;top:10px;left:10px;font-size:11px;font-weight:700;color:#fff;background:rgba(0,0,0,.45);backdrop-filter:blur(6px);padding:4px 9px;border-radius:999px;display:flex;align-items:center;gap:5px}
.vcard .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.25);border:2px solid rgba(255,255,255,.85);backdrop-filter:blur(4px);display:grid;place-items:center}
.vcard .info{position:absolute;left:12px;right:56px;bottom:12px;color:#fff}
.vcard .info b{display:block;font-size:17px;font-weight:800;line-height:1.2}
.vcard .info small{display:flex;align-items:center;gap:5px;font-size:12px;opacity:.92;margin-top:3px}
.vcard .like{position:absolute;right:10px;bottom:10px;width:36px;height:36px;border-radius:50%;background:#fff;display:grid;place-items:center;color:var(--pink);box-shadow:0 4px 12px rgba(0,0,0,.18);transition:transform .15s}
.vcard .like:active{transform:scale(.9)}
.vcard .like svg{fill:none;stroke:currentColor;stroke-width:2.2}
.vcard.liked .like{background:var(--grad);color:#fff}
.vcard.liked .like svg{fill:#fff;stroke:#fff}
.dots{display:flex;justify-content:center;gap:7px;margin-top:12px}
.dots i{width:7px;height:7px;border-radius:50%;background:#efd3e2}
.dots i.on{background:var(--pink)}
/* panels */
.panels{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;margin-top:20px;align-items:start}
.panel{min-width:0;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:22px}
.panel.pinkish{background:linear-gradient(180deg,#fff2f8,#ffe9f3)}
.p-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.p-head .ic{width:46px;height:46px;border-radius:50%;background:var(--grad);display:grid;place-items:center;flex:none;color:#fff}
.p-head h3{font-size:19px;font-weight:800;color:var(--ink);line-height:1.2}
.p-head p{font-size:13px;color:var(--muted)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field label em{color:var(--pink);font-style:normal}
.inp{position:relative}
.inp svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.inp input,.inp select{width:100%;height:50px;padding:0 14px 0 42px;border-radius:12px;background:#fff;border:1.5px solid var(--line2);outline:none;font-size:15px;-webkit-appearance:none;appearance:none}
.inp select{min-width:0;padding-right:36px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236f6883' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 14px center}
.inp input:focus,.inp select:focus{border-color:var(--pink)}
.err{border-color:#e5484d!important}
.check{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--muted);margin:2px 0 12px;cursor:pointer}
.check input{margin-top:2px;width:16px;height:16px;accent-color:var(--pink);flex:none}
.check a{color:var(--pink);text-decoration:underline}
.check.errc{color:#e5484d}
.msg{min-height:18px;font-size:13px;color:#e5484d;margin-top:8px}
.priv{font-size:12px;color:var(--dim);margin-top:10px;display:flex;gap:6px;align-items:center}
.step2,.done{display:none}
.panel[data-step="2"] .step1{display:none}
.panel[data-step="2"] .step2{display:block}
.panel[data-step="3"] .step1,.panel[data-step="3"] .step2{display:none}
.panel[data-step="3"] .done{display:block;text-align:center;padding:10px 0}
.done .ok{width:68px;height:68px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;font-size:32px;background:var(--soft2)}
.done h3{font-size:21px;color:var(--ink);margin-bottom:6px}
.done p{color:var(--muted);font-size:14px;overflow-wrap:anywhere}
.summary{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.summary span{font-size:12px;font-weight:600;padding:5px 10px;border-radius:999px;background:#fff;border:1px solid var(--line2);color:var(--magenta)}
.back{font-size:13px;color:var(--muted);margin-bottom:12px;display:inline-flex;gap:6px}
/* survey */
.q{border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:12px}
.q.errq{border-color:#e5484d}
.q-t{display:flex;gap:10px;align-items:flex-start;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.q-t i{flex:none;width:24px;height:24px;border-radius:50%;background:var(--grad);color:#fff;font-style:normal;font-size:12px;display:grid;place-items:center}
.q-t small{font-weight:500;color:var(--muted);font-size:12px}
.opts{display:grid;grid-template-columns:minmax(0,1fr);gap:4px;padding-left:34px}
.o{display:flex;align-items:center;gap:9px;font-size:14px;cursor:pointer;padding:3px 0}
.o input{width:16px;height:16px;accent-color:var(--pink);flex:none}
.o input[type=text]{width:auto;min-width:0;flex:1;height:34px;border:1.5px solid var(--line2);border-radius:9px;padding:0 10px;font-size:13px;outline:none}
.o input[type=text]:focus{border-color:var(--pink)}
.q textarea{width:calc(100% - 34px);margin-left:34px;min-height:70px;border:1.5px solid var(--line2);border-radius:10px;padding:10px;font-size:14px;resize:vertical;outline:none}
.q textarea:focus{border-color:var(--pink)}
/* bottom strip */
.bottom{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin:26px 0 10px}
.bottom .hand{font-family:var(--hand);font-size:21px;color:var(--ink);transform:rotate(-8deg);line-height:1.15}
.bottom .hand svg{color:var(--pink)}
.feats{display:flex;gap:0;flex-wrap:wrap}
.feats i{width:42px;height:42px;border-radius:50%;background:var(--soft2);display:grid;place-items:center;color:var(--pink);flex:none}
footer{margin-top:34px;border-top:1px solid var(--line);padding:24px 0 110px;font-size:12px;color:var(--muted);background:#fff}
footer .wrap{display:grid;gap:8px}
footer nav{display:flex;flex-wrap:wrap;gap:6px 14px}
footer nav a:hover{color:var(--pink)}
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:35;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(rgba(255,248,251,0),rgba(255,248,251,.97) 35%);transform:translateY(110%);transition:transform .3s}
.sticky.show{transform:none}
/* viewer */
.viewer{position:fixed;inset:0;z-index:80;background:rgba(10,4,14,.95);display:none;align-items:center;justify-content:center}
.viewer.open{display:flex}
.vstage{position:relative;width:min(100vw,calc(100vh * 9 / 16));height:min(100vh,calc(100vw * 16 / 9));background:#000;overflow:hidden;color:#fff;isolation:isolate}
.vstage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:-1}
.vstage .ph{position:absolute;inset:0;display:grid;place-items:center;font-size:100px;z-index:-2}
/* 查看器同样要一层封面：换片时 poster 会被清掉，没有这层就是黑屏 */
.vcover{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;transition:opacity .3s ease}
.vstage.ready .vcover{opacity:0}
.vld{position:absolute;top:50%;left:50%;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;border:3px solid rgba(255,255,255,.28);border-top-color:#fff;animation:spin .8s linear infinite;display:none;z-index:2}
.vld.on{display:block}
.vbar{position:absolute;top:calc(10px + env(safe-area-inset-top));left:10px;right:10px;display:flex;gap:4px}
.vbar i{flex:1;height:3px;border-radius:3px;background:rgba(255,255,255,.3)}
.vbar i.on{background:#fff}
.vtop{position:absolute;top:calc(22px + env(safe-area-inset-top));left:14px;right:14px;display:flex;justify-content:space-between;align-items:center}
.vtop b{font-size:17px;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.vbtn{width:38px;height:38px;border-radius:50%;background:rgba(0,0,0,.45);display:grid;place-items:center;font-size:17px;color:#fff}
.vnav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(0,0,0,.4);display:grid;place-items:center;font-size:24px;color:#fff}
.vprev{left:10px}.vnext{right:10px}
.vside{position:absolute;right:14px;bottom:calc(110px + env(safe-area-inset-bottom));display:grid;gap:12px}
.vfoot{position:absolute;left:14px;right:14px;bottom:calc(16px + env(safe-area-inset-bottom));display:grid;gap:10px}
.vfoot p{font-size:14px;text-shadow:0 1px 6px rgba(0,0,0,.7)}
.vlike.on{background:var(--grad)}
/* modal */
.modal{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:18px;background:rgba(18,8,28,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.modal.open{display:flex}
.modal-box{position:relative;width:min(480px,100%);max-height:min(86vh,720px);overflow:auto;background:#fff;border-radius:22px;box-shadow:0 24px 60px rgba(80,20,60,.28);padding:28px 24px 24px}
.modal-box.wide{width:min(640px,100%)}
.modal-x{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;background:var(--soft);color:var(--muted);display:grid;place-items:center;font-size:18px}
.modal-x:hover{color:var(--ink);background:var(--soft2)}
.modal h2{font-size:22px;font-weight:800;color:var(--ink);margin:0 32px 6px 0}
.modal .sub{font-size:14px;color:var(--muted);margin-bottom:18px}
.modal .switch{font-size:13px;color:var(--muted);text-align:center;margin-top:14px}
.modal .switch a{color:var(--pink);font-weight:700;text-decoration:underline;cursor:pointer}
.legal-body{font-size:14px;color:var(--text);line-height:1.65}
.legal-body h3{font-size:15px;font-weight:800;color:var(--ink);margin:16px 0 6px}
.legal-body p,.legal-body li{margin-bottom:8px}
.legal-body ul{padding-left:1.2em;margin-bottom:8px}
.userchip{display:none;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink)}
.userchip.on{display:inline-flex}
.userchip b{max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.userchip .out{font-size:12px;color:var(--pink);text-decoration:underline;cursor:pointer;font-weight:700}
.feats button,.feats a{display:flex;align-items:center;gap:10px;padding:4px 22px;border-right:1px solid var(--line2);font-size:13px;font-weight:600;color:var(--ink);line-height:1.25;background:none;border-top:0;border-bottom:0;border-left:0;cursor:pointer;text-align:left;font:inherit}
.feats button:last-child,.feats a:last-child{border-right:0}
.feats button:hover,.feats a:hover{color:var(--pink)}
.feats button:hover i,.feats a:hover i{background:#ffd6e8}
.menu a{cursor:pointer}
.menu a.signin:hover{color:var(--pink)}
@media (max-width:900px){
  .menu .hide-m{display:none}
  .panels{grid-template-columns:minmax(0,1fr)}
  .panels .survey{order:-1}
  .track{grid-auto-columns:calc((100% - 16px) / 2)}
}
@media (max-width:640px){
  .nav .wrap{height:58px}
  .brand b{font-size:17px}
  .nav .wrap{padding:0 12px}
  .brand small{display:none}
  .menu{gap:10px}
  .nav .wrap{gap:8px}
  .brand{min-width:0;gap:7px}
  .brand svg{width:30px;flex-shrink:0}
  .menu{flex-shrink:0}
  /* 登录后右侧多了「用户名 + 退出」，窄屏放不下品牌文字，只留图标 */
  .nav.logged .brand>span{display:none}
  .lang{font-size:12px;padding:6px 22px 6px 9px;background-position:right 8px center;max-width:96px}
  .btn-join{padding:9px 12px;font-size:12.5px;white-space:nowrap}
  .userchip b{max-width:72px}
  .menu .signin{font-size:13px;white-space:nowrap}
  .hero{background:none;overflow:visible}
  .hero .wrap{grid-template-columns:1fr;padding:0;gap:0;min-height:0}
  .hero-img,.hero-cta{display:none}
  .hero-txt{padding:24px 4px 6px}
  .feat{margin-top:14px}
  .feat-tools span{display:none}
  .feat{margin:6px -18px 0;padding:14px 0 10px;border:0;border-radius:0;box-shadow:none;background:none}
  .feat-head{padding:0 18px;margin-bottom:10px}
  .feat-tools{display:none}
  .track{grid-auto-columns:80%;gap:10px;padding:2px 18px 16px;scroll-padding:0 18px}
  .dots{margin-top:0}
  .vcard{aspect-ratio:2/3;border-radius:18px;box-shadow:0 10px 26px rgba(120,30,90,.18)}
  .vcard .play{width:58px;height:58px}
  .vcard .info b{font-size:19px}
  .vcard .info small{font-size:13px}
  .bottom{justify-content:center;text-align:center}
  .feats button,.feats a{padding:4px 12px;font-size:12px}
  .feats i{width:36px;height:36px}
  .modal-box{padding:24px 18px 18px;border-radius:18px}
}
@media (max-width:370px){
  .brand b{display:none}
  .menu{gap:8px}
  .panel{padding:18px 14px}
  .opts{padding-left:24px}
  .q textarea{width:calc(100% - 24px);margin-left:24px}
}
/* —— 性能：移动端关闭毛玻璃（backdrop-filter 的实时模糊很吃 GPU） —— */
@media (max-width:900px){
  .nav{background:rgba(255,255,255,.97);backdrop-filter:none;-webkit-backdrop-filter:none}
  .vcard .chip,.vcard .play{backdrop-filter:none;-webkit-backdrop-filter:none}
  .vcard .chip{background:rgba(0,0,0,.55)}
  .vcard .play{background:rgba(255,255,255,.32)}
}
/* —— 首屏之外的页脚延迟渲染，减少初始布局成本 —— */
footer{content-visibility:auto;contain-intrinsic-size:auto 200px}
/* 底部悬浮按钮出现时给页面留出空间，避免挡住页脚内容 */
@media (max-width:900px){ body:has(.sticky.show){padding-bottom:78px} }
/* —— 尊重系统“减少动态效果” —— */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}