/* ============ V17 · 按视觉稿重绘 ============ */
*{margin:0;padding:0;box-sizing:border-box;font-synthesis:weight;-webkit-tap-highlight-color:transparent}
:root{
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --num:Arial,"Helvetica Neue",sans-serif;
  --blue:#1673ff;
  --navy-1:#0d1f4e;--navy-2:#122a63;
  --red:#e1251b;
}
html{background:#0a1130}
body{font-family:var(--font);color:#1c2333;-webkit-font-smoothing:antialiased}
button{font-family:inherit;border:0;background:none;cursor:pointer}

.phone{max-width:430px;margin:0 auto;background:linear-gradient(180deg,var(--navy-1) 0,#122a63 560px,#0e2152 100%);min-height:100dvh;position:relative;box-shadow:0 0 60px #0008;display:flex;flex-direction:column}

/* ---------- 顶栏 ---------- */
.appbar{display:flex;align-items:center;height:44px;padding:0 12px;position:sticky;top:0;z-index:20;background:linear-gradient(180deg,#0c1c47,#0d1f4e00)}
.appbar-back{width:34px;height:34px;display:grid;place-items:center;color:#fff}
.appbar-back svg{width:21px;height:21px}
.appbar-title{flex:1;text-align:center;font-size:16px;font-weight:600;color:#fff;letter-spacing:.5px}
.appbar-capsule{width:84px;height:30px;border-radius:999px;background:#ffffff1c;border:.5px solid #ffffff40;display:flex;align-items:center;justify-content:center;gap:0}
.appbar-capsule .dots{display:flex;gap:3.5px}
.appbar-capsule .dots i{width:4px;height:4px;border-radius:50%;background:#fff}
.appbar-capsule .divider{width:1px;height:16px;background:#ffffff40;margin:0 10px}
.appbar-capsule .target{width:15px;height:15px;border-radius:50%;border:1.6px solid #fff;position:relative}
.appbar-capsule .target i{position:absolute;inset:3.5px;border-radius:50%;background:#fff}

/* ---------- 首屏海报 ---------- */
.hero{position:relative;padding:26px 18px 58px;display:flex;align-items:center;gap:6px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(90px 90px at 82% 30%,#2b57c055,transparent 70%);pointer-events:none}
.hero-copy{position:relative;z-index:2;flex:1;min-width:0}
.hero-badge{display:inline-block;padding:4px 12px;border-radius:999px;border:1px solid #f5d78e99;color:#ffe9bd;font-size:11.5px;font-weight:600;letter-spacing:1px;background:#ffffff10;margin-bottom:12px}
.hero-title{font-size:25px;font-weight:800;color:#fff;letter-spacing:1px;line-height:1.3;text-shadow:0 2px 10px #00104066}
.hero-sub{margin-top:9px;font-size:13px;line-height:1.75;color:#ffffffc9;letter-spacing:.5px}
.hero-gift{position:relative;z-index:1;width:132px;flex:none;margin-right:2px;filter:drop-shadow(0 10px 18px #020a2480)}
.rules-pill{position:absolute;top:14px;right:16px;z-index:3;padding:5px 12px;border-radius:999px;background:#ffffff26;border:.5px solid #ffffff55;color:#fff;font-size:11.5px;text-decoration:none;backdrop-filter:blur(4px)}

/* ---------- 白色面板 ---------- */
.sheet{background:#f4f6fa;border-radius:22px 22px 0 0;margin-top:-18px;position:relative;z-index:5;padding:0 13px;flex:1}
.banner{position:relative;top:-14px;margin:0 auto -4px;width:max-content;max-width:100%;padding:8px 26px;border-radius:999px;background:linear-gradient(135deg,#2f8bff,var(--blue));color:#fff;font-size:16px;font-weight:700;letter-spacing:2px;box-shadow:0 6px 16px #1673ff4d}

/* 礼遇标题 */
.gift{margin-top:16px}
.gift-title{text-align:center;font-size:15.5px;font-weight:700;color:var(--blue);letter-spacing:.5px}
.gift-title em{font-style:normal;font-weight:800}
.gift-title i{font-style:normal;margin:0 5px;color:#8fbaff}

/* ---------- 一重礼 · 京东卡 ---------- */
.jd-card{margin-top:10px;display:flex;align-items:center;border-radius:16px;padding:16px 16px;color:#fff;background:linear-gradient(115deg,#f4433a,#d3221a 78%);box-shadow:0 8px 20px #e1251b33;position:relative;overflow:hidden}
.jd-card::after{content:"";position:absolute;right:-30px;top:-40px;width:130px;height:130px;border-radius:50%;background:#ffffff12}
.jd-left{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.jd-logo{width:54px;height:54px;flex:none;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 3px 8px #7a0d0640}
.jd-logo svg{width:46px;height:46px}
.jd-chip{display:none}
.jd-text{display:flex;flex-direction:column;gap:4px;min-width:0}
.jd-text strong{font-size:17px;font-weight:700;letter-spacing:.5px}
.jd-text span{font-size:12px;color:#ffe3e0}
.jd-divider{width:0;border-left:1.5px dashed #ffffff59;align-self:stretch;margin:2px 14px}
.jd-amount{flex:none;display:flex;align-items:baseline;gap:3px;position:relative;z-index:1}
.jd-zui{font-size:11px;font-weight:600;color:#ffe3e0;writing-mode:vertical-rl;letter-spacing:2px;line-height:1;align-self:center}
.jd-amount b{font-family:var(--num);font-size:44px;font-weight:900;line-height:1;letter-spacing:-1px;text-shadow:0 3px 8px #7a0d0640}
.jd-yuan{font-size:13px;font-weight:600}

/* ---------- 二重礼 · AI 权益 ---------- */
.ai-grid{margin-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ai-card{border-radius:16px;padding:20px 12px 16px;display:flex;flex-direction:column;align-items:center;gap:4px;color:#fff;text-align:center}
.ai-card .ai-logo{width:52px;height:52px;display:grid;place-items:center;margin-bottom:8px}
.ai-card .ai-logo svg{width:52px;height:52px}
.ai-card strong{font-size:17px;font-weight:700;letter-spacing:.3px}
.ai-card span{font-size:12.5px;color:#ffffffcc}
.ai-kimi{background:linear-gradient(160deg,#1c1c1e,#050506)}
.ai-kimi span{color:#ffffffb3}
.ai-wb{background:linear-gradient(160deg,#12c795,#029a6f)}

/* ---------- 三重礼 · 抽奖 ---------- */
.lot-grid{list-style:none;margin-top:10px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.lot-tile{background:#fff;border-radius:13px;padding:13px 4px 11px;display:flex;flex-direction:column;align-items:center;gap:6px;border-bottom:3px solid var(--red);box-shadow:0 3px 10px #16233f14}
.lot-logo{width:40px;height:40px;border-radius:50%;background:var(--bg);color:#fff;font-size:17px;font-weight:700;display:grid;place-items:center}
.lot-name{font-size:12.5px;color:#41485a;font-weight:500;white-space:nowrap}
.lot-amt{font-family:var(--num);font-size:16px;font-weight:900;color:var(--red);letter-spacing:-.3px;white-space:nowrap}

/* ---------- 四重礼 · 高端体验 ---------- */
.event-card{margin-top:10px;border-radius:16px;overflow:hidden;position:relative;min-height:150px;display:flex;align-items:flex-end}
.event-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.event-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0b1c4640 0,#0b1c46e6 78%)}
.event-copy{position:relative;z-index:2;padding:18px 16px;color:#fff;width:100%}
.event-copy strong{font-size:19px;font-weight:800;letter-spacing:1px;display:block;text-shadow:0 2px 8px #020a2466}
.event-copy p{margin-top:6px;font-size:12.5px;line-height:1.7;color:#ffffffd9}

.footnote{text-align:center;font-size:11.5px;color:#9aa3b5;padding:18px 0 20px;letter-spacing:1px}

/* ---------- 底部报名条 ---------- */
.cta-bar{position:sticky;bottom:0;z-index:30;padding:10px 14px calc(12px + env(safe-area-inset-bottom));background:linear-gradient(180deg,#f4f6fa00,#f4f6fa 34%)}
.cta{display:block;width:100%;padding:14px 0;border-radius:999px;background:linear-gradient(135deg,#2f8bff,var(--blue));color:#fff;font-size:17px;font-weight:700;letter-spacing:6px;text-indent:6px;box-shadow:0 8px 20px #1673ff59;transition:transform .12s}
.cta:active{transform:scale(.98)}

/* ---------- 提示条 ---------- */
.toast{position:fixed;left:50%;bottom:110px;transform:translateX(-50%) translateY(8px);background:#0c2340f2;color:#fff;font-size:13px;padding:10px 18px;border-radius:10px;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:82vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 小屏 ---------- */
@media(max-width:360px){
  .hero{padding:22px 14px 52px}
  .hero-gift{width:112px}
  .hero-title{font-size:22px}
  .jd-amount b{font-size:38px}
  .ai-card strong{font-size:15px}
  .lot-name{font-size:11.5px}
  .lot-amt{font-size:14.5px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ============ 报名后页（joined.html） ============ */
.hero-joined{padding:30px 18px 62px}
.hero-joined::before{background:radial-gradient(120px 120px at 50% 0%,#2b57c044,transparent 70%)}
.hero-joined .hero-title{font-size:24px}
.state-switch{position:relative;top:-8px;margin:0 auto -2px;width:max-content;max-width:100%;display:flex;gap:0;border-radius:999px;background:#e7ecf4;border:1px solid #dfe6f0;overflow:hidden}
.state-switch button{padding:7px 15px;font-size:11.5px;color:#7a86a0;font-weight:600;white-space:nowrap}
.state-switch button.on{background:var(--blue);color:#fff;border-radius:999px}

.state-chip{flex:none;align-self:center;padding:6px 13px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.5px;background:#ffffff26;border:1px solid #ffffff59;color:#fff}
.status-item[data-ready="1"] .state-chip{background:#fff;color:#0c8f52;border-color:#fff}
.status-item[data-ready="0"] .jd-card,.status-item[data-ready="0"] .ai-card,.status-item[data-ready="0"] .lot-tile,.status-item[data-ready="0"] .event-card{opacity:.62;filter:saturate(.7)}
.status-item[data-ready="0"] .state-chip{background:#ffffff1c;border-color:#ffffff4d;color:#ffffffb3}

.ai-card,.lot-tile,.event-card{position:relative;transition:opacity .2s}
.ai-card::after,.lot-tile::after,.event-card::after,.jd-card::after{content:"";position:absolute;inset:0;border-radius:inherit;display:none;z-index:5}
.status-item[data-ready="1"] .ai-card,.status-item[data-ready="1"] .lot-tile,.status-item[data-ready="1"] .event-card{cursor:pointer}
.status-item[data-ready="1"] .ai-card:active,.status-item[data-ready="1"] .lot-tile:active{transform:scale(.98)}

a.appbar-back{text-decoration:none;transition:opacity .15s}
a.appbar-back:active{opacity:.6}