:root{
  --bg-1:#071018;
  --bg-2:#06111a;
  --shell-1:rgba(9,18,23,.96);
  --shell-2:rgba(5,12,16,.98);
  --card-bg:rgba(26,34,40,.95);
  --card-border:rgba(255,255,255,.12);
  --text-1:#ffffff;
  --text-2:#c7d7cf;
  --text-3:#9ec0ac;

  --accent-1:#58e36d;
  --accent-2:#2fbc49;
  --accent-3:#9cf5aa;
  --accent-soft:rgba(88,227,109,.14);
  --accent-ring:rgba(88,227,109,.28);

  --chip-bg:rgba(255,255,255,.05);
  --chip-border:rgba(255,255,255,.10);
  --chip-text:#e6fff0;

  --btn-text:#ffffff;
  --btn-dark-text:#08130c;

  --mask-bg:rgba(0,0,0,.55);
  --dialog-bg:#171d21;

  --mascot-ring:rgba(88,227,109,.22);
  --mascot-bg:linear-gradient(180deg,#142026,#0d171c);
  --mascot-shadow:0 0 34px rgba(88,227,109,.14);
}

body[data-theme="emerald"]{
  --bg-1:#071018;
  --bg-2:#06111a;
  --accent-1:#58e36d;
  --accent-2:#2fbc49;
  --accent-3:#9cf5aa;
  --accent-soft:rgba(88,227,109,.14);
  --accent-ring:rgba(88,227,109,.28);
  --mascot-ring:rgba(88,227,109,.22);
}

body[data-theme="ocean"]{
  --bg-1:#07121c;
  --bg-2:#081723;
  --accent-1:#4dc7ff;
  --accent-2:#238fd8;
  --accent-3:#9ee5ff;
  --accent-soft:rgba(77,199,255,.14);
  --accent-ring:rgba(77,199,255,.28);
  --mascot-ring:rgba(77,199,255,.22);
}

body[data-theme="sunset"]{
  --bg-1:#140d10;
  --bg-2:#1a1115;
  --accent-1:#ff8a4c;
  --accent-2:#e0562a;
  --accent-3:#ffd1b8;
  --accent-soft:rgba(255,138,76,.15);
  --accent-ring:rgba(255,138,76,.28);
  --mascot-ring:rgba(255,138,76,.22);
}

body[data-theme="violet"]{
  --bg-1:#0d0c18;
  --bg-2:#141226;
  --accent-1:#9b7bff;
  --accent-2:#6d4df2;
  --accent-3:#d7cbff;
  --accent-soft:rgba(155,123,255,.16);
  --accent-ring:rgba(155,123,255,.28);
  --mascot-ring:rgba(155,123,255,.22);
}

body[data-theme="gold"]{
  --bg-1:#13100c;
  --bg-2:#18130e;
  --accent-1:#d9b45b;
  --accent-2:#b4892f;
  --accent-3:#f3dfaa;
  --accent-soft:rgba(217,180,91,.16);
  --accent-ring:rgba(217,180,91,.26);
  --mascot-ring:rgba(217,180,91,.22);
}

body[data-theme="silver"]{
  --bg-1:#0f1419;
  --bg-2:#161c23;
  --shell-1:rgba(26,32,40,.96);
  --shell-2:rgba(17,22,29,.98);
  --card-bg:rgba(33,40,49,.94);
  --card-border:rgba(232,240,247,.16);
  --text-1:#f7fbff;
  --text-2:#d4dde6;
  --text-3:#b4c0cb;
  --accent-1:#eef3f8;
  --accent-2:#c9d3dd;
  --accent-3:#ffffff;
  --accent-soft:rgba(228,236,244,.16);
  --accent-ring:rgba(228,236,244,.32);
  --chip-bg:rgba(255,255,255,.07);
  --chip-border:rgba(238,243,248,.16);
  --chip-text:#f4f8fb;
  --btn-dark-text:#1a232c;
  --mask-bg:rgba(7,10,14,.60);
  --dialog-bg:#1d242c;
  --mascot-ring:rgba(231,238,245,.26);
  --mascot-bg:linear-gradient(180deg,#36414d,#232b34);
  --mascot-shadow:0 0 34px rgba(228,236,244,.12);
}

*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:var(--bg-1);
  color:var(--text-1);
}
body{
  min-height:100vh;
  background:
          radial-gradient(circle at top center,var(--accent-soft),transparent 35%),
          linear-gradient(180deg,var(--bg-1) 0%,var(--bg-2) 45%,var(--bg-1) 100%);
}
button{font-family:inherit}
.page-shell{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:14px;
}
.mobile-frame{
  width:100%;
  max-width:490px;
  min-height:92vh;
  border-radius:28px;
  background:linear-gradient(180deg,var(--shell-1),var(--shell-2));
  box-shadow:0 30px 80px rgba(0,0,0,.45);
  padding:18px 16px 24px;
  position:relative;
  overflow:hidden;
}
.topbar{display:flex;align-items:center;justify-content:space-between}
.brand-wrap{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  border:1px solid var(--accent-ring);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent-1);
  box-shadow:0 0 18px var(--accent-soft);
}
.brand-text{
  font-size:32px;font-weight:800;
  color:var(--accent-1);
  letter-spacing:.8px;
}
.icon-link{
  width:42px;height:42px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--chip-bg);
  text-decoration:none;color:var(--text-1);
  border:1px solid var(--chip-border);
}

.hero-section{text-align:center;padding-top:14px;position:relative}
.hero-glow{
  position:absolute;left:50%;top:42px;transform:translateX(-50%);
  width:240px;height:180px;
  background:radial-gradient(circle,var(--accent-soft),transparent 72%);
  filter:blur(20px);
}
.hero-coin{position:absolute;font-size:24px;opacity:.42}
.coin-left{left:10px;top:120px}
.coin-right{right:10px;top:150px}

.mascot-card{
  position:relative;
  width:138px;
  height:138px;
  margin:10px auto 8px;
  border-radius:50%;
  background:var(--mascot-bg);
  box-shadow:var(--mascot-shadow), inset 0 0 18px rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center;
}
.mascot-halo{
  position:absolute;
  inset:-5px;
  border-radius:50%;
  border:1px solid var(--mascot-ring);
}
.mascot-face{
  font-size:70px;
  filter:drop-shadow(0 6px 12px rgba(0,0,0,.20));
}
.mascot-face.mascot-text{
  font-size:42px;
  font-weight:800;
  color:var(--accent-1);
  line-height:1.1;
  text-align:center;
  max-width:82%;
  word-break:break-word;
}
.mascot-image{
  width:72%;
  height:72%;
  object-fit:contain;
  border-radius:16px;
  filter:drop-shadow(0 6px 12px rgba(0,0,0,.20));
}

h1{margin:8px 0 6px;font-size:30px}
p{margin:0;color:var(--text-3);line-height:1.6}

.platform-tabs{
  display:flex;gap:10px;justify-content:center;flex-wrap:wrap;
  margin:18px 0;
}
.platform-chip{
  border:1px solid var(--chip-border);
  background:var(--chip-bg);
  color:var(--chip-text);
  padding:8px 14px;
  border-radius:999px;
  cursor:pointer;
}
.platform-chip.active{
  background:linear-gradient(180deg,var(--accent-1),var(--accent-2));
  color:var(--btn-dark-text);
  border-color:transparent;
  box-shadow:0 10px 24px var(--accent-soft);
}

.recommend-card,.qr-card{
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:22px;
  padding:16px;
  margin-top:14px;
  text-align:left;
  box-shadow:0 14px 30px rgba(0,0,0,.24);
}
.recommend-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.recommend-title,.qr-title{font-size:14px;color:var(--text-3)}
.recommend-name{margin-top:6px;font-size:24px;font-weight:800;color:var(--accent-1)}
.recommend-meta,.qr-line-meta,.qr-hint{margin-top:6px;color:var(--text-2);font-size:14px}
.recommend-tip{margin:14px 0 16px;color:var(--accent-3)}

.hero-btn,.ghost-btn,.refresh-btn,.support-btn,.line-action,.select-btn{
  height:34px;
  padding:0 12px;
  border-radius:999px;
  background:transparent;
  border:1px solid var(--chip-border);
  color:var(--text-1);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  transition:all .18s ease;
}

.select-btn-label{
  font-weight:800;
}

.select-btn.active{
  background:linear-gradient(180deg,var(--accent-1),var(--accent-2));
  border-color:transparent;
  color:var(--btn-dark-text);
  box-shadow:0 8px 18px var(--accent-soft), 0 0 0 1px var(--accent-ring) inset;
}

.select-btn-icon{
  width:18px;
  height:18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  background:rgba(255,255,255,.18);
  font-size:12px;
  font-weight:900;
  line-height:1;
}
.hero-btn,.support-btn,.line-action{
  background:linear-gradient(180deg,var(--accent-1),var(--accent-2));
  color:var(--btn-dark-text);
}
.hero-btn{
  width:100%;
  height:54px;
  font-size:20px;
  font-weight:800;
  box-shadow:0 10px 28px var(--accent-soft);
}
.ghost-btn{
  width:100%;
  height:48px;
  background:var(--chip-bg);
  color:var(--text-1);
  margin-top:10px;
  border:1px solid var(--chip-border);
}
.refresh-btn{
  height:38px;
  padding:0 14px;
  background:var(--accent-soft);
  color:var(--accent-3);
  border:1px solid var(--accent-ring);
}
.qr-card{display:flex;align-items:center;justify-content:space-between;gap:12px}
.qr-card img{
  width:112px;height:112px;border-radius:14px;
  background:#fff;padding:6px;
}
.qr-line-name{margin-top:8px;font-size:18px;font-weight:700}
.bottom-actions{margin-top:14px}
.support-btn{
  display:flex;align-items:center;justify-content:center;
  height:58px;width:100%;
  text-decoration:none;
  font-size:20px;font-weight:800;
}

.line-modal{
  position:fixed;inset:0;
  background:var(--mask-bg);
  backdrop-filter:blur(2px);
  display:flex;align-items:flex-end;justify-content:center;
  padding:14px;
}
.line-modal.hidden{display:none}
.line-dialog{
  width:min(540px,100%);
  max-height:82vh;
  overflow:auto;
  background:var(--dialog-bg);
  border:1px solid var(--card-border);
  border-radius:26px;
  padding:16px;
  box-shadow:0 20px 70px rgba(0,0,0,.5);
}
.line-dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.line-dialog-head h3{margin:0;font-size:22px}
.icon-close{
  width:38px;height:38px;border-radius:12px;
  background:var(--chip-bg);color:var(--text-1);
  border:1px solid var(--chip-border);
}
.line-list{display:flex;flex-direction:column;gap:12px}
.line-item{
  border-radius:18px;
  padding:14px;
  background:rgba(255,255,255,.03);
  border:1px solid transparent;
}
.line-item.fastest{
  border-color:var(--accent-ring);
  box-shadow:0 0 0 1px var(--accent-soft) inset;
}
.line-item.failed{opacity:.55}
.line-top{
  display:grid;
  grid-template-columns:78px 1fr 102px;
  gap:12px;
  align-items:center;
}
.signal-pill{
  padding:8px 6px;
  border-radius:16px;
  background:var(--accent-soft);
  text-align:center;
}
.signal-pill .num{font-size:22px;font-weight:800;color:var(--accent-1)}
.signal-pill .desc{font-size:12px;color:var(--text-2);margin-top:4px}
.line-name{font-size:20px;color:var(--accent-1);font-weight:700}
.line-submeta{font-size:13px;color:var(--text-2);margin-top:5px}
.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;
  background:var(--accent-soft);
  color:var(--accent-3);
}
.line-action{
  height:44px;
  font-size:16px;
  font-weight:800;
}
.line-action:disabled{background:#55625b;color:#dde7df;cursor:not-allowed}
.line-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:10px;font-size:12px;color:var(--text-2);
}
.select-btn{
  height:34px;padding:0 12px;
  background:transparent;
  border:1px solid var(--chip-border);
  color:var(--text-1);
}
.line-loading{padding:24px 8px;text-align:center;color:var(--text-2)}
.hidden{display:none}

@media(max-width:420px){
  .brand-text{font-size:24px}
  .mascot-card{width:124px;height:124px}
  .mascot-face{font-size:62px}
  .line-top{grid-template-columns:68px 1fr 90px}
  .hero-btn{font-size:18px}
  .line-name{font-size:18px}
  .qr-card{flex-direction:column;align-items:flex-start}
  .qr-card img{width:132px;height:132px}
}