:root{
  --bg:#f5f7f5; --card:#ffffff; --ink:#121a15; --muted:#6b7a72;
  --line:#e4e9e5; --brand:#0f7b45; --brand-dark:#0b5f36; --gold:#b45309;
  --soft:#eaf5ee; --warn:#fff4e0; --danger:#b3261e;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:#e9ecea; color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px; line-height:1.6;
}
#app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);position:relative;
  display:flex;flex-direction:column;box-shadow:0 0 40px rgba(20,40,30,.08)}
.view{flex:1;padding:18px 18px 108px}
.top{padding:16px 18px 12px;display:flex;align-items:center;gap:10px;background:#fff;
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top h1{font-size:19px;margin:0;font-weight:750;letter-spacing:-.01em}
.top .sub{font-size:12px;color:var(--muted);margin-left:auto}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:12px}
.card.tight{padding:12px}

.btn{display:block;width:100%;border:none;border-radius:12px;padding:13px 16px;font-size:15px;
  font-weight:650;font-family:inherit;background:var(--brand);color:#fff;cursor:pointer}
.btn:active{background:var(--brand-dark)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.small{padding:9px 14px;font-size:13.5px;border-radius:10px;width:auto;display:inline-block}
.btn:disabled{background:#c9d6ce;color:#6c7d73}

label{display:block;font-size:13px;color:#55635c;margin:14px 0 6px;font-weight:500}
input:not([type=checkbox]):not([type=radio]):not([type=file]),select{
  width:100%;height:46px;padding:0 12px;border:1px solid #dfe4e0;border-radius:12px;background:#fff;
  font-size:15px;font-family:inherit;color:var(--ink);appearance:none;-webkit-appearance:none;
  transition:border-color .15s, box-shadow .15s}
select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7a72' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
input::placeholder{color:#a9b3ad}
input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,123,69,.12)}
input:disabled{background:#f3f5f4;color:#8b968f}
input[type=file]{width:100%;font-size:13.5px;color:var(--muted);padding:10px 12px;border:1px dashed #cfd7d2;
  border-radius:12px;background:#fafbfa}
input[type=file]::file-selector-button{border:none;background:#eef3f0;color:#1d3a2c;border-radius:8px;
  padding:7px 12px;margin-right:10px;font-family:inherit;font-size:13px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:end}
.row.three{grid-template-columns:1fr 1fr 1fr}
.row > *{min-width:0}
.field-note{font-size:12px;color:var(--muted);margin-top:4px}

.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;border:1px solid var(--line);background:#fff;color:#41524a;
  border-radius:999px;padding:6px 14px;font-size:13px;font-family:inherit;cursor:pointer}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;cursor:pointer}
.item .ph{height:132px;position:relative;background:#ddd}
.glyph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:46px;opacity:.42;pointer-events:none;
  filter:grayscale(1) drop-shadow(0 2px 6px rgba(0,0,0,.12))}
.hero .glyph{font-size:92px;opacity:.42}
.item .ph:after{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.35),transparent 60%),
             linear-gradient(180deg,transparent 60%,rgba(0,0,0,.18))}
.item .badge{position:absolute;left:8px;top:8px;z-index:2;font-size:11px;padding:2px 8px;border-radius:99px;
  background:rgba(255,255,255,.92);color:var(--brand);font-weight:700}
.item .badge.no{color:#9a5a4a}
.item .info{padding:9px 10px 11px}
.item .nm{font-size:13.5px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .mt{font-size:11.5px;color:var(--muted);margin-top:2px}
.item .pr{font-size:13px;color:var(--gold);font-weight:700;margin-top:5px}

.hero{height:260px;border-radius:16px;position:relative;overflow:hidden;margin-bottom:14px;background:#f7f7f5}
.hero:after{content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.3),transparent 55%),
             linear-gradient(180deg,transparent 55%,rgba(0,0,0,.22))}
.hero .tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:#26332c;
  font-size:11.5px;padding:3px 9px;border-radius:99px;font-weight:650;z-index:2}

.size-row{display:flex;align-items:flex-start;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line)}
.size-row:last-child{border-bottom:none}
.size-code{width:44px;flex:0 0 44px;text-align:center;font-weight:750;font-size:15px;
  border:1px solid var(--line);border-radius:9px;padding:6px 0;background:#fff}
.size-row.best .size-code{background:var(--brand);color:#fff;border-color:var(--brand)}
.size-row.none{opacity:.45}
.size-row.none .size-code{text-decoration:line-through}
.size-body{flex:1;min-width:0}
.size-reason{font-size:12.5px;color:var(--muted)}
.size-stock{font-size:11.5px;margin-top:2px}
.size-stock.ok{color:var(--brand)}
.size-stock.no{color:#9a5a4a}
.verdict{font-size:11px;padding:1px 7px;border-radius:99px;margin-left:6px;font-weight:650}
.verdict.best{background:var(--soft);color:var(--brand)}
.verdict.tight{background:var(--warn);color:#8a5200}
.verdict.loose{background:#eef1f5;color:#54636c}
.verdict.none{background:#f4f0ef;color:#8a6a62}

.note{background:var(--soft);border:1px solid #cfe8da;border-radius:10px;padding:10px 12px;
  font-size:13px;color:#14532d;margin:10px 0}
.note.warn{background:var(--warn);border-color:#f0d9ae;color:#6b3b00}

.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);display:flex;
  backdrop-filter:blur(8px);padding-bottom:env(safe-area-inset-bottom)}
.nav a{flex:1;text-align:center;padding:9px 0 10px;font-size:11px;color:var(--muted);
  text-decoration:none;font-weight:600}
.nav a.on{color:var(--brand)}
.nav .ico{display:block;font-size:17px;line-height:1.2}

.drop{border:2px dashed #cfd9d3;border-radius:14px;padding:26px 14px;text-align:center;background:#fff}
.drop .ic{font-size:30px}
.drop .t{font-weight:650;margin-top:6px}
.drop .d{font-size:12.5px;color:var(--muted);margin-top:4px}
.preview{width:100%;border-radius:14px;display:block}
.tips{font-size:12.5px;color:var(--muted);padding-left:18px;margin:8px 0}
.tips li{margin:4px 0}

.spin{width:34px;height:34px;border-radius:50%;border:3px solid #dfe8e2;border-top-color:var(--brand);
  animation:sp 1s linear infinite;margin:18px auto}
@keyframes sp{to{transform:rotate(360deg)}}

.empty{text-align:center;color:var(--muted);font-size:13.5px;padding:40px 0}
.toast{position:fixed;left:50%;bottom:78px;transform:translate(-50%,14px);background:#12211a;color:#d9f5e6;
  padding:9px 16px;border-radius:10px;font-size:13px;opacity:0;transition:.25s;z-index:99;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}
.foot{font-size:11.5px;color:#9aa8a0;text-align:center;padding:18px 0 6px}

/* 试穿结果的预览动效（2.5D，不是真视频） */
.preview{transform-origin:50% 82%;transition:transform .6s ease}
.preview.motion{animation:modelWalk 5.5s ease-in-out infinite}
@keyframes modelWalk{
  0%{transform:scale(1) rotate(0deg) translateY(0)}
  25%{transform:scale(1.035) rotate(-.7deg) translateY(-4px)}
  50%{transform:scale(1.05) rotate(0deg) translateY(-1px)}
  75%{transform:scale(1.035) rotate(.7deg) translateY(-4px)}
  100%{transform:scale(1) rotate(0deg) translateY(0)}
}

.ph-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#f7f7f5}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#f7f7f5}
video.preview{width:100%;border-radius:14px;display:block;background:#000}

/* ---- 设计基调 ---- */
:root{--radius:16px}
.card{border-radius:16px;box-shadow:0 1px 2px rgba(20,40,30,.03)}

/* ---- 登录（方案 C）---- */
.auth{min-height:100vh;display:flex;flex-direction:column;background:#fff}
.hero-auth{flex:none;height:268px;padding:46px 26px 0;position:relative;overflow:hidden;
  background:linear-gradient(160deg,#128a4d 0%,#0b5f36 100%);color:#fff}
.hero-auth h1{margin:0 0 12px;font-size:27px;line-height:1.38;font-weight:800;letter-spacing:-.02em}
.hero-auth p{margin:0;font-size:13.5px;opacity:.82}
.hero-auth .ring{position:absolute;right:-48px;bottom:-72px;width:210px;height:210px;border-radius:50%;
  border:30px solid rgba(255,255,255,.07)}
.sheet{flex:1;background:#fff;border-radius:26px 26px 0 0;margin-top:-26px;position:relative;
  padding:26px 24px 30px}
.sheet label{font-size:12.5px;color:#7b8a82;margin:0 0 6px;font-weight:500}
.sheet label + label{margin-top:16px}
.sheet input{height:48px;border:1px solid #e2e7e3;border-radius:12px;padding:0 14px;background:#fbfcfb;
  margin-bottom:18px;font-size:15px}
.sheet input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,123,69,.10)}
.sheet .btn{height:50px;border-radius:12px;font-size:16px;margin-top:4px}
.sheet .tip{font-size:11.5px;color:#a3afa8;text-align:center;margin:16px 0 0}
.sheet .code-wrap{position:relative;margin-bottom:0}
.sheet .code-wrap input{margin-bottom:0}
.code-send{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:none;background:transparent;
  color:var(--brand);font-size:13.5px;font-weight:650;font-family:inherit;padding:8px 10px;cursor:pointer}
.code-send:disabled{color:#a8b8b0}

/* ---- 页面通用头部 ---- */
.hero-home{position:relative;overflow:hidden;color:#fff;padding:34px 20px 44px;
  background:linear-gradient(160deg,#128a4d 0%,#0b5f36 100%)}
.hero-home .kicker{font-size:12.5px;opacity:.72;letter-spacing:.02em}
.hero-home h1{font-size:23px;margin:6px 0 6px;font-weight:800;letter-spacing:-.02em}
.hero-home .count{font-size:12.5px;opacity:.8}
.hero-chip{position:absolute;right:20px;top:36px;display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);border-radius:999px;
  padding:7px 13px;font-size:12.5px;color:#fff}
.sheet-page{position:relative;margin-top:-26px;border-radius:26px 26px 0 0;background:var(--bg);
  padding:18px 16px 108px;min-height:60vh;flex:1}

/* 我的 */
.hero-me{color:#fff;padding:34px 20px 46px;position:relative;overflow:hidden;
  background:linear-gradient(160deg,#128a4d 0%,#0b5f36 100%)}
.hero-me h1{margin:0;font-size:23px;font-weight:800;letter-spacing:-.02em}
.hero-me p{margin:6px 0 0;font-size:12.5px;opacity:.78}