/* ============ 设计变量 ============ */
:root{
  --navy:#0a2244;
  --navy-deep:#061a36;
  --navy-2:#123a6b;
  --blue:#1d6fb8;
  --lake:#2ea8d9;
  --sky:#5cc4f0;
  --sky-soft:#aee0f7;
  --cream:#fbf7f0;
  --cream-2:#f6efe3;
  --paper:#ffffff;
  --orange:#e93b3d;
  --orange-2:#ff6b6b;
  --red:#e93b3d;
  --green:#07c160;
  --green-2:#06a851;
  --text:#333333;
  --muted:#999999;
  --line:#f0f0f0;
  --shadow-sm:0 1px 4px rgba(0,0,0,.05);
  --shadow-md:0 6px 18px rgba(0,0,0,.08);
  --shadow-lg:0 14px 34px rgba(0,0,0,.14);
  --glass:rgba(255,255,255,.62);
  --radius:12px;
  --radius-sm:10px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;width:100%;overflow-x:hidden}
body{
  font-family:var(--font);
  color:var(--text);
  background:#f4f4f4;
  width:100%;
  max-width:100%;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--orange);color:#fff}
img{max-width:100%;display:block}
button{font-family:var(--font);cursor:pointer;border:none;background:none}
input,select,textarea{font-family:var(--font)}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--blue),var(--lake));border-radius:10px;border:2px solid #eef4f9}

/* ============ 通用工具 ============ */
.container{width:100%;max-width:640px;margin:0 auto;padding:0 12px}
.sec-pad{padding:24px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.sec-title{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:.5px;color:var(--navy)}
.sec-title .bar{display:inline-block;width:14px;height:30px;background:linear-gradient(var(--orange),var(--orange-2));border-radius:8px;margin-right:12px;vertical-align:-5px;box-shadow:0 4px 12px rgba(255,122,61,.4)}
.sec-sub{color:var(--muted);font-size:14px;margin-top:6px}
.sec-link{color:var(--blue);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:.25s}
.sec-link:hover{color:var(--orange);gap:10px}

/* ============ 配置提示条 ============ */
.config-banner{
  position:fixed;top:0;left:0;right:0;z-index:9980;display:none;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(90deg,#ff7a3d,#ff5e3a);color:#fff;font-size:13.5px;font-weight:600;
  padding:11px 20px;text-align:center;flex-wrap:wrap;
}
.config-banner.show{display:flex}
.config-banner button{margin-left:8px;background:rgba(255,255,255,.25);color:#fff;border-radius:20px;padding:5px 14px;font-weight:700;font-size:12.5px}
.config-banner a{color:#fff;text-decoration:underline;font-weight:800}
body.has-banner .nav{top:46px}

/* ============ 顶部导航 ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s,box-shadow .4s,padding .4s,top .3s;
  padding:16px 0;
  background:rgba(251,247,240,.55);
  backdrop-filter:blur(14px) saturate(150%);-webkit-backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid transparent;
}
.nav.scrolled{background:rgba(10,34,68,.72);backdrop-filter:blur(18px) saturate(170%);-webkit-backdrop-filter:blur(18px) saturate(170%);border-bottom:1px solid rgba(255,255,255,.12);box-shadow:0 10px 30px rgba(6,26,54,.28);padding:10px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--lake));box-shadow:0 6px 16px rgba(29,111,184,.4), inset 0 1px 0 rgba(255,255,255,.4);color:#fff;font-size:22px;font-weight:800;flex:none}
.brand-name{font-weight:800;font-size:19px;letter-spacing:.5px;color:var(--navy);transition:color .4s;line-height:1.1}
.brand-name small{display:block;font-size:10.5px;font-weight:500;letter-spacing:2px;color:var(--orange);text-transform:uppercase}
.nav.scrolled .brand-name{color:#fff}
.nav.scrolled .brand-name small{color:#ffd9bf}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;border-radius:13px;padding:11px 20px;transition:.25s;box-shadow:var(--shadow-sm);white-space:nowrap}
.btn-ghost{color:var(--navy);background:rgba(255,255,255,.7);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--blue);border-color:var(--blue);box-shadow:var(--shadow-md)}
.nav.scrolled .btn-ghost{color:#fff;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.25)}
.nav.scrolled .btn-ghost:hover{background:rgba(255,255,255,.24)}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--orange),#ff5e3a);box-shadow:0 8px 20px rgba(255,122,61,.42);position:relative;overflow:hidden}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,122,61,.52)}
.btn-primary::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg);transition:left .6s}
.btn-primary:hover::after{left:130%}
.btn-blue{color:#fff;background:linear-gradient(135deg,var(--blue),var(--lake));box-shadow:0 8px 20px rgba(29,111,184,.38)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(29,111,184,.5)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:15px}

/* ============ Hero ============ */
.hero{position:relative;padding:150px 0 70px;overflow:hidden;background:radial-gradient(900px 480px at 80% 10%, rgba(92,196,240,.35), transparent 60%),radial-gradient(700px 400px at 8% 90%, rgba(255,122,61,.18), transparent 55%),linear-gradient(135deg,#0a2244 0%,#123a6b 42%,#1d6fb8 100%)}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px);background-size:26px 26px;opacity:.35;mask-image:linear-gradient(180deg,#000,transparent 70%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:30px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:13px;font-weight:600;margin-bottom:22px;backdrop-filter:blur(6px)}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--orange-2);box-shadow:0 0 0 4px rgba(255,154,85,.3);animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(32px,4.6vw,56px);font-weight:900;line-height:1.16;color:#fff;letter-spacing:1px;text-shadow:0 4px 22px rgba(6,26,54,.35)}
.hero h1 .hl{background:linear-gradient(120deg,#ffd9bf,#ff9a55);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:#d6e6f5;font-size:clamp(15px,1.6vw,18px);line-height:1.8;margin:22px 0 30px;max-width:520px}
.hero-search{display:flex;gap:10px;max-width:540px}
.hero-search .in{flex:1;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.96);border-radius:16px;padding:6px 6px 6px 18px;box-shadow:0 16px 40px rgba(6,26,54,.3)}
.hero-search .in svg{flex:none;color:var(--muted)}
.hero-search .in input{flex:1;border:none;outline:none;font-size:15px;background:transparent;color:var(--text);padding:10px 0}
.hero-search .in input::placeholder{color:#a7b2c2}
.hero-search .go{flex:none}
.hero-stats{display:flex;gap:34px;margin-top:34px;flex-wrap:wrap}
.hero-stat .num{font-size:24px;font-weight:800;color:#fff}
.hero-stat .num b{color:var(--orange-2)}
.hero-stat .lab{font-size:12.5px;color:#b9cde2;margin-top:2px}
.hero-art{position:relative;height:420px}
.float-card{position:absolute;background:rgba(255,255,255,.95);border-radius:18px;padding:14px 16px;box-shadow:0 20px 44px rgba(6,26,54,.4);display:flex;align-items:center;gap:12px;border:1px solid rgba(255,255,255,.7);backdrop-filter:blur(8px);animation:floaty 5.5s ease-in-out infinite}
.float-card .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:26px;flex:none}
.float-card .t{font-weight:700;font-size:14px;color:var(--navy)}
.float-card .s{font-size:12px;color:var(--muted)}
.float-card .p{font-weight:800;font-size:15px;color:var(--orange)}
.fc1{top:6%;right:4%}
.fc2{top:40%;right:26%;animation-delay:-1.4s}
.fc3{bottom:4%;right:0;animation-delay:-2.6s}
.fc4{top:52%;right:2%;animation-delay:-3.6s}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-14px) rotate(-1.4deg)}}
.hero-blob{position:absolute;border-radius:50%;filter:blur(40px);opacity:.55}
.blob1{width:220px;height:220px;background:var(--sky);top:-20px;left:6%;animation:floaty 7s ease-in-out infinite}
.blob2{width:150px;height:150px;background:var(--orange);bottom:0;left:34%;animation:floaty 6s ease-in-out infinite reverse}
.blob3{width:120px;height:120px;background:#ffd9bf;top:30%;right:-30px;animation:floaty 8s ease-in-out infinite}
.hero-wave{position:absolute;bottom:-1px;left:0;right:0;line-height:0;z-index:3}
.hero-wave svg{width:100%;height:70px;display:block}

/* ============ 搜索筛选区 ============ */
.filter-wrap{position:relative;z-index:5;margin-top:12px}
.filter-card{background:var(--paper);border-radius:22px;box-shadow:var(--shadow-lg);padding:18px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;border:1px solid #fff}
.search-box{flex:1 1 300px;display:flex;align-items:center;gap:10px;background:#f4f7fb;border:2px solid transparent;border-radius:14px;padding:10px 14px;transition:.28s;min-width:220px}
.search-box:focus-within{border-color:var(--lake);background:#fff;box-shadow:0 0 0 5px rgba(92,196,240,.18)}
.search-box svg{color:var(--muted);flex:none}
.search-box input{flex:1;border:none;outline:none;background:transparent;font-size:14.5px;color:var(--text)}
.search-box input::placeholder{color:#a7b2c2}
.chip-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 16px;border-radius:13px;background:#f4f7fb;font-weight:600;font-size:14px;color:var(--text);transition:.25s;border:2px solid transparent}
.chip-btn:hover{border-color:var(--sky);color:var(--blue);background:#fff}
.chip-btn.on{background:linear-gradient(135deg,var(--blue),var(--lake));color:#fff;box-shadow:0 6px 16px rgba(29,111,184,.35)}
.adv-panel{display:none;margin-top:12px;background:var(--paper);border-radius:18px;box-shadow:var(--shadow-md);padding:20px;border:1px solid #fff;animation:fadeDown .3s ease}
.adv-panel.show{display:block}
@keyframes fadeDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px}
.adv-field label{display:block;font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:8px;letter-spacing:.5px}
.adv-field select,.adv-field input{width:100%;padding:11px 12px;border-radius:11px;border:1.5px solid var(--line);background:#fbfaf7;font-size:14px;color:var(--text);outline:none;transition:.25s}
.adv-field select:focus,.adv-field input:focus{border-color:var(--lake);background:#fff;box-shadow:0 0 0 4px rgba(92,196,240,.16)}
.price-row{display:flex;align-items:center;gap:8px}
.price-row input{flex:1}
.price-row span{color:var(--muted);font-size:13px}
.adv-actions{display:flex;gap:10px;margin-top:18px;justify-content:flex-end}
.result-count{font-size:13px;color:var(--muted);margin-top:16px}
.result-count b{color:var(--orange);font-weight:800}

/* ============ 分类卡片 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{position:relative;overflow:hidden;border-radius:18px;padding:22px 20px;cursor:pointer;color:#fff;display:flex;align-items:center;gap:14px;transition:.3s;border:1px solid rgba(255,255,255,.4);box-shadow:var(--shadow-md);min-height:104px}
.cat-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);filter:saturate(1.15)}
.cat-card:active{transform:translateY(-2px) scale(.99)}
.cat-card .cic{width:56px;height:56px;border-radius:16px;background:rgba(255,255,255,.22);display:grid;place-items:center;font-size:30px;flex:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.5);backdrop-filter:blur(4px)}
.cat-card .cn{font-weight:800;font-size:17px;letter-spacing:.5px}
.cat-card .cd{font-size:12px;opacity:.85;margin-top:3px}
.cat-card .carr{position:absolute;right:16px;top:50%;transform:translateY(-50%);opacity:.55;transition:.3s}
.cat-card:hover .carr{opacity:1;transform:translateY(-50%) translateX(4px)}
.cat-card .deco{position:absolute;width:110px;height:110px;border-radius:50%;background:rgba(255,255,255,.14);right:-30px;bottom:-40px;transition:.4s}
.cat-card:hover .deco{transform:scale(1.5)}
.cg1{background:linear-gradient(135deg,#2f6fd0,#5cc4f0)}
.cg2{background:linear-gradient(135deg,#123a6b,#1d6fb8)}
.cg3{background:linear-gradient(135deg,#ff9a55,#ff5e3a)}
.cg4{background:linear-gradient(135deg,#2ea8d9,#54d0c0)}
.cg5{background:linear-gradient(135deg,#ff7a3d,#ffb347)}
.cg6{background:linear-gradient(135deg,#7a5cff,#4f8cff)}
.cg7{background:linear-gradient(135deg,#ff5e8a,#ff9a55)}
.cg8{background:linear-gradient(135deg,#0a8f6e,#54d0c0)}

/* ============ 商品网格 ============ */
.tabs{display:inline-flex;background:#f1ede3;border-radius:14px;padding:5px;gap:4px}
.tab{padding:11px 22px;border-radius:11px;font-weight:700;font-size:14.5px;color:var(--muted);transition:.28s}
.tab:hover{color:var(--navy)}
.tab.on{background:var(--paper);color:var(--navy);box-shadow:var(--shadow-sm)}
.tab.on .tn{color:var(--orange)}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--paper);border-radius:var(--radius);overflow:hidden;cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .32s,box-shadow .32s;position:relative;border:1px solid rgba(255,255,255,.7)}
.card:hover{transform:translateY(-9px);box-shadow:var(--shadow-lg)}
.card-img{position:relative;height:168px;overflow:hidden;background:#eef3f9}
.card-img .bg{position:absolute;inset:0;transition:transform .5s}
.card:hover .card-img .bg{transform:scale(1.08)}
.card-img .shine{position:absolute;inset:0;background:radial-gradient(120px 90px at 26% 18%,rgba(255,255,255,.5),transparent 65%)}
.card-img .emoji{position:absolute;inset:0;display:grid;place-items:center;font-size:60px;filter:drop-shadow(0 10px 14px rgba(6,26,54,.28));transition:transform .5s}
.card:hover .card-img .emoji{transform:scale(1.14) rotate(-4deg)}
.card-img .rimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-img .rimg{transform:scale(1.08)}
.cond-badge{position:absolute;top:12px;left:12px;padding:5px 10px;border-radius:20px;font-size:11.5px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--blue),var(--lake));box-shadow:0 4px 10px rgba(29,111,184,.35)}
.cond-badge.c2{background:linear-gradient(135deg,var(--orange),#ff5e3a);box-shadow:0 4px 10px rgba(255,122,61,.35)}
.cond-badge.c3{background:linear-gradient(135deg,#7a5cff,#4f8cff);box-shadow:0 4px 10px rgba(122,92,255,.35)}
.fav-btn{position:absolute;top:10px;right:10px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.88);color:#c4cbd8;font-size:19px;box-shadow:var(--shadow-sm);transition:.28s;opacity:0;transform:scale(.7)}
.card:hover .fav-btn{opacity:1;transform:scale(1)}
.fav-btn:hover{color:var(--orange)}
.fav-btn.on{color:var(--orange);opacity:1;transform:scale(1)}
.card-body{padding:16px 16px 18px}
.card-title{font-size:15px;font-weight:700;color:var(--text);line-height:1.45;height:44px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-price{display:flex;align-items:baseline;gap:6px;margin-top:12px}
.card-price .rmb{font-size:13px;color:var(--orange);font-weight:800}
.card-price .val{font-size:24px;font-weight:800;color:var(--orange);letter-spacing:-.5px}
.card-price .old{font-size:12.5px;color:#b7bfcc;text-decoration:line-through}
.card-price .rent-tag{font-size:11.5px;font-weight:800;color:#2f6fd0;background:#eef6ff;border:1px solid #d8e6fb;padding:2px 7px;border-radius:6px}
.card-price .rent-day{font-size:12px;color:var(--muted)}
.card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line)}
.card-seller{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.card-seller .av{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:12px;background:linear-gradient(135deg,var(--lake),var(--blue))}
.campus-tag{font-size:11px;font-weight:700;color:var(--blue);background:rgba(92,196,240,.16);padding:4px 9px;border-radius:20px}
.empty{grid-column:1/-1;text-align:center;padding:70px 0;color:var(--muted)}
.empty .e{font-size:60px}
.empty p{margin-top:12px;font-size:15px}
.loading{grid-column:1/-1;text-align:center;padding:60px 0;color:var(--muted)}
.spinner{width:42px;height:42px;border:4px solid #e7e0d2;border-top-color:var(--blue);border-radius:50%;margin:0 auto 14px;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============ 页脚 ============ */
.footer{margin-top:20px;background:linear-gradient(160deg,#0a2244,#071a33);color:#c5d5e6;position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 85% 0,rgba(92,196,240,.16),transparent 60%)}
.footer-top{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:60px 0 44px}
.footer .brand-name{color:#fff}
.footer-desc{font-size:13.5px;line-height:1.8;color:#9fb3ca;margin:18px 0 22px;max-width:300px}
.socials{display:flex;gap:10px}
.socials a{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#dbe7f2;font-size:17px;transition:.28s}
.socials a:hover{background:var(--orange);color:#fff;transform:translateY(-3px);border-color:transparent}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;position:relative;padding-left:14px}
.footer h4::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:16px;border-radius:3px;background:linear-gradient(var(--orange),var(--orange-2))}
.footer ul{list-style:none}
.footer ul li{margin-bottom:11px}
.footer ul a{font-size:13.5px;color:#9fb3ca;transition:.22s;display:inline-flex;align-items:center;gap:6px}
.footer ul a:hover{color:#fff;transform:translateX(4px)}
.footer-bottom{position:relative;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:#7f94ad}
.footer-bottom b{color:#ffd9bf}

/* ============ 弹窗 ============ */
.modal{position:fixed;inset:0;z-index:9990;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(7,26,51,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.modal.show{display:flex}
.modal.show .modal-card{animation:popIn .38s cubic-bezier(.22,1,.36,1)}
/* 弹窗统一最高层级（z-index:9990），遮罩锁定背景；toast 9999 在最上 */
@keyframes popIn{from{opacity:0;transform:translateY(26px) scale(.94)}to{opacity:1;transform:none}}
.modal-card{width:min(560px,100%);max-height:90vh;overflow:auto;border-radius:24px;position:relative;background:rgba(255,253,248,.86);backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%);border:1px solid rgba(255,255,255,.7);box-shadow:0 30px 80px rgba(6,26,54,.4)}
.modal-card.wide{width:min(920px,100%)}
.modal-close{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(10,34,68,.06);color:var(--muted);font-size:20px;transition:.25s;z-index:5}
.modal-close:hover{background:var(--orange);color:#fff;transform:rotate(90deg)}
.m-body{padding:34px 34px 30px}
.m-title{font-size:24px;font-weight:800;color:var(--navy);display:flex;align-items:center;gap:10px}
.m-title .mi{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--lake));color:#fff;font-size:20px}
.m-sub{color:var(--muted);font-size:13.5px;margin:8px 0 24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:8px}
.field label em{color:var(--orange);font-style:normal}
.field input,.field select,.field textarea{padding:13px 14px;border-radius:13px;border:1.5px solid var(--line);background:#fbfaf7;font-size:14.5px;color:var(--text);outline:none;transition:.25s;width:100%}
.field textarea{resize:vertical;min-height:96px;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lake);background:#fff;box-shadow:0 0 0 4px rgba(92,196,240,.16)}
.cond-pills{display:flex;gap:8px;flex-wrap:wrap}
.cond-pill{padding:9px 16px;border-radius:11px;border:1.5px solid var(--line);font-size:13.5px;font-weight:600;color:var(--muted);background:#fbfaf7;transition:.22s}
.cond-pill:hover{border-color:var(--lake);color:var(--blue)}
.cond-pill.on{background:linear-gradient(135deg,var(--blue),var(--lake));color:#fff;border-color:transparent;box-shadow:0 5px 14px rgba(29,111,184,.32)}
.emoji-picker{display:flex;gap:8px;flex-wrap:wrap}
.emoji-picker button{width:44px;height:44px;border-radius:12px;background:#fbfaf7;border:1.5px solid var(--line);font-size:22px;transition:.2s}
.emoji-picker button:hover{border-color:var(--lake);background:#f0f8fd;transform:translateY(-2px)}
.emoji-picker button.on{border-color:var(--orange);background:rgba(255,122,61,.12);box-shadow:0 0 0 3px rgba(255,122,61,.15)}
.upload-zone{border:2px dashed var(--line);border-radius:14px;padding:26px;text-align:center;color:var(--muted);cursor:pointer;transition:.25s;background:#fbfaf7}
.upload-zone:hover{border-color:var(--lake);background:#f0f8fd;color:var(--blue)}
.upload-zone .up{font-size:32px;display:block;margin-bottom:8px}
.upload-zone b{color:var(--navy)}
.upload-preview{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.upload-preview img{width:64px;height:64px;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.m-actions{display:flex;gap:12px;margin-top:26px}
.m-actions .btn{flex:1}

/* 登录/注册 */
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#f1ede3;border-radius:14px;padding:5px;margin-bottom:26px}
.auth-tab{padding:12px;border-radius:11px;font-weight:700;font-size:15px;color:var(--muted);transition:.25s}
.auth-tab.on{background:var(--paper);color:var(--navy);box-shadow:var(--shadow-sm)}
.auth-tab.on span{color:var(--orange)}
.code-row{display:flex;gap:10px;margin-bottom:16px;align-items:center}
.input-group{position:relative;margin-bottom:16px}
.input-group .ii{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:#a7b2c2;font-size:16px;pointer-events:none;transition:.25s}
.input-group input{width:100%;padding:15px 16px 15px 46px;border-radius:14px;border:1.5px solid var(--line);background:#fbfaf7;font-size:15px;outline:none;transition:.25s}
.input-group input:focus{border-color:var(--lake);background:#fff;box-shadow:0 0 0 5px rgba(92,196,240,.16)}
.input-group input:focus + .ii,.input-group input:valid + .ii{color:var(--blue)}
.auth-hint{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin:6px 0 20px}
.auth-hint a{color:var(--blue);font-weight:600}
.auth-hint a:hover{color:var(--orange)}
.auth-check{display:flex;align-items:center;gap:8px}
.auth-check input{accent-color:var(--orange)}
.auth-switch{text-align:center;margin-top:20px;font-size:13.5px;color:var(--muted)}
.auth-switch a{color:var(--orange);font-weight:700;cursor:pointer}
.auth-switch a:hover{text-decoration:underline}

/* 商品详情 */
.detail{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.detail-img{position:relative;border-radius:20px;height:360px;overflow:hidden;background:#eef3f9}
.detail-img .bg{position:absolute;inset:0}
.detail-img .emoji{position:absolute;inset:0;display:grid;place-items:center;font-size:120px;filter:drop-shadow(0 16px 26px rgba(6,26,54,.3))}
.detail-img .rimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.detail-info h3{font-size:24px;font-weight:800;color:var(--navy);line-height:1.4}
.detail-price{display:flex;align-items:baseline;gap:8px;margin:18px 0;padding:18px;border-radius:16px;background:linear-gradient(135deg,rgba(255,122,61,.1),rgba(255,154,85,.06))}
.detail-price .val{font-size:36px;font-weight:900;color:var(--orange)}
.detail-price .old{color:#b7bfcc;text-decoration:line-through;font-size:15px}
.detail-price .sav{margin-left:auto;background:var(--orange);color:#fff;font-size:12px;font-weight:700;padding:5px 10px;border-radius:20px}
.detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.detail-tags span{font-size:12px;font-weight:700;padding:6px 12px;border-radius:20px;background:#f1ede3;color:var(--text)}
.detail-tags .blue{background:rgba(92,196,240,.16);color:var(--blue)}
.detail-tags .org{background:rgba(255,122,61,.14);color:var(--orange)}
.detail-desc{color:var(--muted);font-size:14px;line-height:1.85;background:#fbfaf7;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:20px}
.seller-card{display:flex;align-items:center;gap:14px;padding:16px;border-radius:16px;background:#fbfaf7;border:1px solid var(--line);margin-bottom:20px;flex-wrap:wrap}
.seller-card .av{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:#fff;font-size:22px;font-weight:800;background:linear-gradient(135deg,var(--lake),var(--blue))}
.seller-card .sn{font-weight:800;color:var(--navy);font-size:16px}
.seller-card .st{font-size:12.5px;color:var(--muted);margin-top:3px}
.seller-card .badge{margin-left:auto;text-align:center;background:linear-gradient(135deg,#ffd700,#ffb347);color:#7a4a00;font-weight:800;font-size:11px;padding:5px 10px;border-radius:20px}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap}
.rent-days-input{width:76px;text-align:center;font-size:16px;padding:8px;border:1.5px solid var(--line);border-radius:12px;outline:none}
.rent-days-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(92,196,240,.18)}
.detail-actions .btn{flex:1;min-width:110px;padding:15px}

/* 个人中心 */
.profile-header{display:flex;align-items:center;gap:18px;padding:22px;border-radius:18px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;margin-bottom:22px;flex-wrap:wrap}
.ph-avatar{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;font-size:30px;font-weight:800;background:linear-gradient(135deg,var(--orange),var(--orange-2));box-shadow:0 8px 20px rgba(255,122,61,.4);flex:none}
.ph-name{font-size:20px;font-weight:800}
.ph-email{font-size:12.5px;color:#c5d5e6;margin-top:3px}
.ph-campus{display:inline-block;margin-top:8px;font-size:11.5px;font-weight:700;color:#ffd9bf;background:rgba(255,255,255,.14);padding:3px 10px;border-radius:20px}
.ph-actions{margin-left:auto;display:flex;gap:8px}
.btn-white{color:var(--navy);background:#fff}
.btn-white:hover{background:#f0f4f9;transform:translateY(-1px)}
.btn-line{color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3)}
.btn-line:hover{background:rgba(255,255,255,.25)}
.edit-panel{display:none;background:#fbfaf7;border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:22px;animation:fadeDown .3s ease}
.edit-panel.show{display:block}
.edit-panel .row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.edit-panel .field{flex:1;min-width:150px}
.qr-setup{background:#fbfaf7;border:1px solid var(--line);border-radius:16px;padding:16px 18px;margin-bottom:22px}
.qr-setup-hd{font-weight:700;font-size:14.5px;margin-bottom:12px}
.qr-item{display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px;border:1.5px dashed var(--line);border-radius:12px;min-width:150px}
.qr-item-tip{font-size:12.5px;color:var(--muted)}
.qr-img{width:120px;height:120px;object-fit:contain;border-radius:8px;background:#fff;border:1px solid var(--line)}
.order-steps{display:flex;align-items:flex-start;margin:16px 0 18px}
.order-step{flex:1;text-align:center;position:relative}
.order-step .dot{width:30px;height:30px;border-radius:50%;background:#eef2f6;color:#a7b2c2;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;transition:.25s}
.order-step.on .dot{background:linear-gradient(135deg,#2f6fd0,#5cc4f0);color:#fff;box-shadow:0 4px 12px rgba(92,196,240,.4)}
.order-step.done .dot{background:#2ea8d9;color:#fff}
.order-step .lb{font-size:11.5px;color:var(--muted);margin-top:6px;line-height:1.3}
.order-step.on .lb{color:var(--blue);font-weight:700}
.order-line{flex:1;height:2px;background:#eef2f6;margin-top:15px}
.order-line.done{background:var(--lake)}
.order-card{background:#fbfaf7;border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:12px}
.order-card .row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:5px 0;font-size:14px}
.order-card .k{color:var(--muted)}
.order-card .v{font-weight:700;text-align:right}
.verify-box{margin-top:12px;border:1.5px solid #d8e6fb;background:linear-gradient(135deg,#f4f9ff,#eef6ff);border-radius:14px;padding:14px;text-align:center}
.verify-mycode{font-size:14px;font-weight:700;color:var(--text);margin-bottom:10px}
.verify-mycode b{font-size:22px;letter-spacing:4px;color:var(--blue);margin:0 4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.verify-tip{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:4px}
.verify-input{display:flex;gap:10px;align-items:center;justify-content:center}
.verify-input input{width:180px;text-align:center;font-size:20px;letter-spacing:6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;padding:10px;border:1.5px solid var(--line);border-radius:12px;outline:none}
.verify-input input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(92,196,240,.18)}
.order-qr-wrap{display:flex;gap:14px;justify-content:center;margin:12px 0}
.pf-list{display:flex;flex-direction:column;gap:12px;max-height:430px;overflow:auto}
.pf-item{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:14px;background:#fbfaf7;border:1px solid var(--line);transition:.2s}
.pf-item:hover{border-color:var(--sky);box-shadow:var(--shadow-sm)}
.pf-thumb{width:56px;height:56px;border-radius:12px;flex:none;display:grid;place-items:center;font-size:28px;overflow:hidden}
.pf-thumb img{width:100%;height:100%;object-fit:cover}
.pf-info{flex:1;min-width:0}
.pf-title{font-weight:700;font-size:14.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pf-sub{font-size:12px;color:var(--muted);margin-top:4px}
.pf-price{font-weight:800;font-size:17px;color:var(--orange);flex:none}
.pf-del{flex:none;padding:8px 14px;border-radius:10px;background:rgba(229,72,77,.1);color:#e5484d;font-size:13px;font-weight:700;transition:.2s;white-space:nowrap}
.pf-del:hover{background:#e5484d;color:#fff}
.pf-pin{flex:none;padding:8px 14px;border-radius:10px;background:rgba(245,158,11,.14);color:#d97706;font-size:13px;font-weight:700;transition:.2s;white-space:nowrap;border:none;cursor:pointer}
.pf-pin:hover{background:#f59e0b;color:#fff}
.pf-pin:disabled{background:#f1f2f4;color:#b6bcc6;cursor:not-allowed}
.points-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:20px;font-size:12.5px;font-weight:800;color:#d97706;background:#fff7e6;border:1px solid #fde8c8;white-space:nowrap;cursor:pointer}
.pl-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;background:#fbfaf7;border:1px solid var(--line);font-size:13px}
.pl-delta{font-weight:800;flex:none;width:54px;text-align:right}
.pl-delta.pos{color:#1fa971}
.pl-delta.neg{color:#e5484d}
.pl-reason{flex:1;font-weight:700;color:var(--text)}
.pl-time{font-size:12px;color:var(--muted);flex:none}
.pl-balance{font-size:12px;color:var(--muted);flex:none}
.pf-empty{text-align:center;padding:46px 0;color:var(--muted)}
.pf-empty .e{font-size:44px}
.pf-empty p{margin-top:10px;font-size:14px}

/* 私信 / 购买咨询 */
.chat-wrap{display:flex;height:min(560px,76vh);border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.chat-side{width:280px;flex:none;background:#fbfaf7;border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.chat-side-hd{padding:16px;font-weight:800;font-size:15px;color:var(--navy);border-bottom:1px solid var(--line);flex:none}
.chat-list{flex:1;overflow:auto}
.chat-item{padding:13px 15px;border-bottom:1px solid #f0ede3;cursor:pointer;transition:.15s}
.chat-item:hover{background:#f2efe6}
.chat-item.on{background:#eaf3fb;box-shadow:inset 3px 0 0 var(--blue)}
.ci-top{display:flex;align-items:center;gap:6px}
.ci-name{font-weight:700;font-size:14px;color:var(--text);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ci-time{font-size:11px;color:var(--muted);flex:none}
.ci-prod{font-size:12px;color:var(--blue);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ci-last{font-size:12.5px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-badge{display:inline-block;background:var(--orange);color:#fff;font-size:11px;font-weight:700;min-width:18px;height:18px;line-height:18px;border-radius:9px;text-align:center;padding:0 5px;flex:none}
.chat-main{flex:1;display:flex;flex-direction:column;min-width:0;background:#f7f9fb}
.chat-hd{padding:15px 60px 15px 18px;font-weight:800;font-size:15px;color:var(--navy);border-bottom:1px solid var(--line);background:var(--paper);flex:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-msgs{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.cm{max-width:72%;align-self:flex-start}
.cm.me{align-self:flex-end}
.cm-bubble{padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.55;word-break:break-word;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.cm.me .cm-bubble{background:linear-gradient(135deg,var(--blue),var(--lake));color:#fff;border:none;border-bottom-right-radius:4px}
.cm-meta{font-size:10.5px;color:var(--muted);margin-top:3px}
.cm.me .cm-meta{text-align:right;opacity:.8}
.cm-sys{align-self:center;max-width:88%;text-align:center;background:rgba(123,135,148,.1);color:var(--muted);font-size:12px;line-height:1.6;padding:8px 14px;border-radius:12px}
.cm-sys span{word-break:break-word}
.chat-input{display:flex;align-items:center;gap:10px;padding:13px 16px;padding-bottom:calc(13px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);background:var(--paper);flex:none}
.chat-input input{flex:1 1 auto;min-width:0;max-width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:12px;font-size:14px;outline:none;transition:.25s;background:#fbfaf7}
.chat-input .btn{flex:none;min-width:64px}
.chat-input input:focus{border-color:var(--lake);background:#fff;box-shadow:0 0 0 4px rgba(92,196,240,.16)}
.emoji-wrap{position:relative;flex:none;display:flex;align-items:center}
.emoji-toggle{width:42px;height:42px;border-radius:12px;border:1.5px solid var(--line);background:#fbfaf7;font-size:20px;cursor:pointer;transition:.25s;display:grid;place-items:center;padding:0}
.emoji-toggle:hover{border-color:var(--lake);background:#fff}
.emoji-toggle:disabled{opacity:.5;cursor:not-allowed}
.emoji-panel{position:absolute;bottom:calc(100% + 12px);left:0;width:300px;max-width:78vw;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 50px rgba(6,26,54,.2);padding:12px;display:none;z-index:30}
.emoji-panel.show{display:grid;grid-template-columns:repeat(8,1fr);gap:4px}
.emoji-panel button{width:100%;aspect-ratio:1;font-size:22px;border:none;background:transparent;border-radius:10px;cursor:pointer;transition:.15s;display:grid;place-items:center;padding:0;line-height:1}
.emoji-panel button:hover{background:rgba(92,196,240,.16);transform:scale(1.12)}
.chat-empty{text-align:center;color:var(--muted);padding:44px 16px;font-size:13.5px;line-height:1.7}
/* 聊天弹窗：卡片固定高度 + 内部滚动，输入框永远贴底，整体不滚动 */
#chatModal .modal-card{display:flex;flex-direction:column;height:min(88vh,720px);max-height:none;overflow:hidden}
#chatModal .m-body{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden;padding:24px 24px 20px}
#chatModal .chat-wrap{flex:1;min-height:0;height:auto}
#chatModal .chat-msgs{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch}
#chatModal .chat-list{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch}
@media (max-width:640px){
  #chatModal{padding:12px}
  #chatModal .modal-card{width:95%;height:92vh;max-height:92vh;border-radius:18px}
  #chatModal .m-body{padding:14px}
  .chat-wrap{flex-direction:column;height:auto}
  .chat-side{width:100%;height:34%;min-height:130px;flex:none;border-right:none;border-bottom:1px solid var(--line)}
  .chat-main{flex:1;min-height:0}
}

/* 好友系统：消息中心子页 tab + 列表 */
.chat-tabs{display:flex;gap:6px;flex:none;margin-bottom:12px;flex-wrap:wrap}
.chat-tabs button{flex:1;min-width:86px;padding:9px 10px;border-radius:11px;border:1px solid var(--line);background:#fbfaf7;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer;transition:.18s;white-space:nowrap}
.chat-tabs button.on{background:linear-gradient(135deg,var(--blue),var(--lake));color:#fff;border-color:transparent}
.friend-list{display:flex;flex-direction:column;gap:10px;overflow:auto;flex:1;min-height:0}
#searchTab{flex:1;min-height:0;overflow:auto;display:flex;flex-direction:column}
.friend-item,.req-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:#fbfaf7;border:1px solid var(--line)}
.f-av,.u-av{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:19px;flex:none}
.f-mid{flex:1;min-width:0}
.f-name{font-weight:800;font-size:14.5px;color:var(--text)}
.f-sub{font-size:12px;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.req-actions{display:flex;gap:8px;flex:none}
.req-group-hd{font-size:13px;font-weight:800;color:var(--navy);margin:14px 2px 8px}
.req-empty{text-align:center;color:var(--muted);padding:34px 12px;font-size:13px;line-height:1.7}
.search-box{display:flex;gap:10px;margin-bottom:12px}
.search-box input{flex:1;padding:12px 15px;border:1.5px solid var(--line);border-radius:12px;font-size:14px;outline:none;background:#fbfaf7}
.search-box input:focus{border-color:var(--lake);background:#fff;box-shadow:0 0 0 4px rgba(92,196,240,.16)}
/* 用户主页弹窗 */
#userModal .modal-card{width:min(420px,100%)}
.uprofile{padding:6px 4px}
.u-head{display:flex;align-items:center;gap:16px;padding:18px;border-radius:16px;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;margin-bottom:16px;flex-wrap:wrap}
.u-av{width:58px;height:58px;border-radius:18px;font-size:26px}
.u-name{font-size:19px;font-weight:800}
.u-campus{display:inline-block;margin-top:6px;font-size:11.5px;font-weight:700;color:#ffd9bf;background:rgba(255,255,255,.14);padding:3px 10px;border-radius:20px}
.u-meta{font-size:12.5px;color:var(--muted);margin:4px 2px 0}
.u-actions{display:flex;gap:10px}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:11px}
.card-actions{display:flex;gap:8px;margin-top:12px}
.bargain-btn,.wish-btn{flex:1;padding:9px;border-radius:11px;background:linear-gradient(135deg,rgba(255,122,61,.12),rgba(255,154,85,.08));color:var(--orange);font-weight:700;font-size:13px;transition:.22s;border:1px solid rgba(255,122,61,.25)}
.wish-btn{background:linear-gradient(135deg,rgba(122,92,255,.12),rgba(79,140,255,.08));color:#7a5cff;border-color:rgba(122,92,255,.25)}
.bargain-btn:hover{background:linear-gradient(135deg,var(--orange),#ff5e3a);color:#fff;box-shadow:0 6px 16px rgba(255,122,61,.35)}
.wish-btn:hover{background:linear-gradient(135deg,#7a5cff,#4f8cff);color:#fff;box-shadow:0 6px 16px rgba(122,92,255,.35)}
.bargain-prod{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:#fbfaf7;border:1px solid var(--line);margin-bottom:14px;font-weight:700;color:var(--text);font-size:14px}
.bargain-chat{display:flex;flex-direction:column;gap:12px;max-height:280px;overflow:auto;padding:4px 2px 14px;margin-bottom:10px}
.bmsg{display:flex;align-items:flex-end;gap:9px}
.bmsg.me{flex-direction:row-reverse}
.bmsg-av{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;flex:none;background:linear-gradient(135deg,var(--lake),var(--blue))}
.bmsg.me .bmsg-av{background:linear-gradient(135deg,var(--orange),#ff5e3a)}
.bmsg-bubble{max-width:72%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.55;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.bmsg.me .bmsg-bubble{background:linear-gradient(135deg,var(--blue),var(--lake));color:#fff;border:none;border-bottom-right-radius:4px}
.bargain-result{text-align:center;margin-bottom:4px}
.bargain-badge{display:inline-block;padding:7px 16px;border-radius:20px;font-weight:700;font-size:13.5px}
.bargain-badge.ok{background:rgba(46,168,217,.14);color:#1d8bb8}
.bargain-badge.fail{background:rgba(229,72,77,.12);color:#e5484d}
.bargain-badge.counter{background:rgba(255,122,61,.14);color:var(--orange)}
.bargain-input{display:flex;align-items:center;gap:8px;margin-top:6px}
.bargain-input input{flex:1 1 auto;min-width:0;max-width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;font-size:15px;font-weight:700;outline:none;background:#fbfaf7}
.bargain-input .btn{flex:none;white-space:nowrap}
.bargain-input input:focus{border-color:var(--blue)}
.bmsg-time{font-size:11px;opacity:.72;margin-top:3px}
.typing{color:var(--muted);font-size:13px}

/* 校园圈子 */
.circle-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.post-composer{background:var(--paper);border-radius:18px;padding:20px;border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow-md);position:sticky;top:90px}
.post-composer .pc-title{font-weight:800;color:var(--navy);font-size:16px;margin-bottom:14px}
.ptypes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.ptype{padding:8px 14px;border-radius:11px;border:1.5px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);background:#fbfaf7;transition:.2s}
.ptype.on{border-color:transparent;color:#fff}
.ptype.pt-sell.on{background:linear-gradient(135deg,var(--orange),#ff5e3a)}
.ptype.pt-want.on{background:linear-gradient(135deg,var(--blue),var(--lake))}
.ptype.pt-group.on{background:linear-gradient(135deg,#0a8f6e,#54d0c0)}
.ptype.pt-deal.on{background:linear-gradient(135deg,#7a5cff,#4f8cff)}
.ptype.pt-chat.on{background:linear-gradient(135deg,#5f6f88,#8a97ab)}
.post-composer textarea{width:100%;min-height:110px;padding:13px 14px;border-radius:13px;border:1.5px solid var(--line);background:#fbfaf7;font-size:14px;color:var(--text);outline:none;resize:vertical;line-height:1.6;transition:.25s}
.post-composer textarea:focus{border-color:var(--lake);background:#fff;box-shadow:0 0 0 4px rgba(92,196,240,.16)}
.composer-bar{display:flex;align-items:center;gap:10px;margin-top:14px}
.composer-img{padding:10px 14px;border-radius:11px;background:#f4f7fb;border:1.5px solid var(--line);font-weight:600;font-size:13px;color:var(--muted);transition:.2s}
.composer-img:hover{border-color:var(--lake);color:var(--blue)}
.composer-hint{flex:1;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.feed-list{display:flex;flex-direction:column;gap:16px}
.post-card{background:var(--paper);border-radius:18px;padding:18px 20px;border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow-sm);transition:.25s}
.post-card:hover{box-shadow:var(--shadow-md)}
.post-head{display:flex;align-items:center;gap:12px}
.post-av{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;flex:none}
.post-who{flex:1;min-width:0}
.post-name{font-weight:800;color:var(--navy);font-size:15px}
.post-time{font-size:11.5px;color:var(--muted);margin-top:2px}
.post-type{font-size:11.5px;font-weight:700;padding:4px 11px;border-radius:20px;flex:none}
.post-type.pt-sell{background:rgba(255,122,61,.14);color:var(--orange)}
.post-type.pt-want{background:rgba(29,111,184,.12);color:var(--blue)}
.post-type.pt-group{background:rgba(10,143,110,.12);color:#0a8f6e}
.post-type.pt-deal{background:rgba(122,92,255,.12);color:#7a5cff}
.post-type.pt-chat{background:rgba(95,111,136,.12);color:#5f6f88}
.post-content{font-size:14.5px;line-height:1.7;color:var(--text);margin:14px 0;white-space:pre-wrap;word-break:break-word}
.post-img{width:100%;max-height:360px;object-fit:cover;border-radius:12px;margin-bottom:12px}
.post-actions{display:flex;border-top:1px dashed var(--line);padding-top:12px}
.post-like{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:20px;font-size:13px;font-weight:700;color:var(--muted);transition:.2s}
.post-like:hover{color:var(--orange);background:rgba(255,122,61,.08)}
.post-like.on{color:var(--orange)}
@media (max-width:768px){
  .circle-grid{grid-template-columns:1fr}
  .post-composer{position:static}
}

/* 漂流瓶 */
.drift-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.drift-box{background:var(--paper);border-radius:18px;padding:20px;border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow-md);margin-bottom:18px}
.drift-box-hd{font-weight:800;color:var(--navy);font-size:16px;margin-bottom:14px}
.drift-box input,.drift-box textarea{width:100%;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:#fbfaf7;font-size:14px;color:var(--text);outline:none;margin-bottom:12px;line-height:1.6;transition:.25s}
.drift-box textarea{min-height:84px;resize:vertical}
.drift-box input:focus,.drift-box textarea:focus{border-color:var(--lake);background:#fff;box-shadow:0 0 0 4px rgba(92,196,240,.16)}
.drift-lao{width:100%;padding:12px;font-size:14px;margin-bottom:12px}
.drift-pick{min-height:80px}
.drift-pick-actions{display:flex;gap:10px;margin-top:12px}
.drift-empty{text-align:center;color:var(--muted);font-size:13px;padding:24px 0}
.drift-mine{display:flex;flex-direction:column;gap:10px}
.drift-mine-item{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:12px;background:#fbfaf7;border:1px solid var(--line)}
.dmi-emoji{font-size:24px;flex:none}
.dmi-info{min-width:0}
.dmi-title{font-weight:700;color:var(--text);font-size:14px}
.dmi-sub{font-size:12px;color:var(--muted);margin-top:2px}
.bottle-card{text-align:center;padding:18px 10px;background:linear-gradient(160deg,#f4fbff,#eef7fb);border-radius:14px;border:1px dashed var(--lake)}
.bottle-emoji{font-size:52px;margin-bottom:8px}
.bottle-title{font-size:17px;font-weight:800;color:var(--navy);margin-bottom:8px}
.bottle-content{font-size:14px;color:var(--text);line-height:1.6;margin-bottom:10px;white-space:pre-wrap;word-break:break-word}
.bottle-meta{font-size:12px;color:var(--muted)}

/* 勋章 */
.badge-strip{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.badge-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:12px;font-size:13px;font-weight:700;color:var(--muted);background:#f4f6f9;border:1.5px solid var(--line);transition:.22s}
.badge-chip .bc-emoji{font-size:16px}
.badge-chip.on{color:var(--navy);background:linear-gradient(135deg,#fff7ec,#ffe9d2);border-color:rgba(255,122,61,.4);box-shadow:0 4px 12px rgba(255,122,61,.18)}
.badge-chip .bc-check{color:#0a8f6e;font-weight:900}

/* 许愿池 */
.wish-prod{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;background:#fbfaf7;border:1px solid var(--line);margin-bottom:14px;font-weight:700;color:var(--text);font-size:14px}
.wish-price-row{display:flex;align-items:center;gap:8px;padding:0 14px;border-radius:12px;border:1.5px solid var(--line);background:#fbfaf7}
.wish-price-row .rmb{font-weight:800;color:var(--orange);font-size:18px}
.wish-price-row input{flex:1;border:none;background:transparent;padding:14px 0;font-size:18px;font-weight:700;color:var(--text);outline:none}
.wish-result{text-align:center;min-height:24px;margin:8px 0}

@media (max-width:768px){
  .drift-grid{grid-template-columns:1fr}
}

/* 扫码付款 */
.pay-box{margin-top:14px;border:1.5px solid #ffe1c7;background:linear-gradient(135deg,#fff9f0,#fff2e4);border-radius:14px;padding:14px}
.pay-box-hd{font-weight:800;color:#b45309;font-size:14px;margin-bottom:10px}
.pay-tabs{display:flex;gap:8px;margin-bottom:10px}
.pay-tab{padding:6px 16px;border-radius:20px;font-size:13px;font-weight:700;color:var(--muted);background:#fff;border:1.5px solid var(--line);cursor:pointer;transition:.2s}
.pay-tab.on{color:#fff;background:linear-gradient(135deg,#ff7a3d,#ffb347);border-color:transparent}
.pay-qr-wrap{display:flex;justify-content:center}
.pay-qr{width:200px;max-width:100%;border-radius:10px;background:#fff;padding:8px;border:1px solid #eee}
.pay-tip{font-size:12px;color:#b45309;margin-top:10px;line-height:1.5}

/* 校园跑腿 */
.sub-layout{display:grid;grid-template-columns:260px 1fr;gap:20px;align-items:start}
.sub-side{background:var(--paper);border-radius:18px;padding:18px;border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow-md);position:sticky;top:90px}
.sub-side-hd{font-weight:800;color:var(--navy);font-size:15px;margin-bottom:14px}
.sub-side .btn{width:100%;margin-top:10px}
.sub-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.sub-fchip{padding:7px 12px;border-radius:20px;font-size:12.5px;font-weight:700;color:var(--muted);background:#f4f6f9;border:1.5px solid var(--line);transition:.2s;cursor:pointer}
.sub-fchip.on{color:#fff;background:linear-gradient(135deg,#7a5cff,#4f8cff);border-color:transparent}
.sub-sort{width:100%;padding:10px 12px;border-radius:11px;border:1.5px solid var(--line);background:#fbfaf7;font-size:13px;color:var(--text);outline:none;font-weight:600}
.sub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.sub-card{background:var(--paper);border-radius:18px;padding:18px;border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow-sm);transition:.25s;display:flex;flex-direction:column;gap:10px}
.sub-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.sub-card-top{display:flex;align-items:center;justify-content:space-between}
.sub-status{font-size:11.5px;font-weight:800;padding:4px 11px;border-radius:20px}
.sub-status.st-waiting{background:rgba(255,122,61,.14);color:var(--orange)}
.sub-status.st-accepted{background:rgba(92,196,240,.16);color:var(--blue)}
.sub-status.st-done{background:rgba(10,143,110,.12);color:#0a8f6e}
.sub-status.st-closed{background:rgba(95,111,136,.14);color:#5f6f88}
.sub-pay{font-size:20px;font-weight:800;color:#7a5cff}
.sub-pay .u{font-size:12px;font-weight:600;color:var(--muted)}
.sub-course{font-size:16px;font-weight:800;color:var(--navy)}
.sub-meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 14px}
.sub-note{font-size:13px;color:var(--text);background:#f7f6fb;padding:8px 11px;border-radius:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sub-card-foot{display:flex;align-items:center;gap:10px;margin-top:auto}
.sub-pub{display:flex;align-items:center;gap:9px;flex:1;min-width:0}
.sub-pub-av{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px;flex:none}
.sub-pub-name{font-size:13px;font-weight:700;color:var(--text)}
.sub-pub-time{font-size:11px;color:var(--muted)}
.sub-actions{display:flex;gap:8px;flex-wrap:wrap}
.sub-btn{padding:8px 14px;border-radius:10px;font-size:12.5px;font-weight:700;transition:.2s;border:none;cursor:pointer}
.sub-btn.primary{background:linear-gradient(135deg,#7a5cff,#4f8cff);color:#fff}
.sub-btn.primary:hover{box-shadow:0 6px 14px rgba(122,92,255,.35)}
.sub-btn.ghost{background:#f4f6f9;color:var(--muted);border:1.5px solid var(--line)}
.sub-btn.ghost:hover{color:var(--blue);border-color:var(--lake)}
.sub-btn.danger{background:rgba(229,72,77,.12);color:#e5484d}
.sub-empty{grid-column:1/-1;text-align:center;padding:60px 0;color:var(--muted)}
.sub-empty .e{font-size:48px;margin-bottom:12px}
.sub-upload{display:flex;align-items:center;justify-content:center;gap:8px;padding:22px;border:2px dashed var(--line);border-radius:12px;color:var(--muted);font-size:13px;font-weight:600;cursor:pointer;transition:.2s;background:#fbfaf7}
.sub-upload:hover{border-color:#a78bfa;color:#7a5cff;background:#faf8ff}
.sub-upload-preview{margin-top:10px}
.sub-upload-preview img{width:100%;max-height:180px;object-fit:cover;border-radius:12px}
.sub-upload-preview .clear{display:inline-block;margin-top:6px;font-size:12px;color:#e5484d;cursor:pointer}
.sub-detail{display:flex;flex-direction:column;gap:14px}
.sub-detail-img{width:100%;max-height:260px;object-fit:cover;border-radius:14px;background:#f4f6f9}
.sub-detail-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text)}
.sub-detail-row .k{color:var(--muted);width:76px;flex:none;font-weight:600;padding-top:2px}
.sub-detail-row .v{font-weight:700;flex:1;min-width:0}
.sub-center-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-height:420px;overflow:auto}
@media (max-width:900px){.sub-layout{grid-template-columns:1fr}.sub-side{position:static}}
@media (max-width:768px){.sub-grid{grid-template-columns:1fr}.sub-center-list{grid-template-columns:1fr}}

/* Toast */
.toast{position:fixed;bottom:34px;left:50%;transform:translateX(-50%) translateY(80px);z-index:9999;background:rgba(10,34,68,.92);color:#fff;padding:13px 24px;border-radius:30px;font-size:14px;font-weight:600;box-shadow:0 16px 40px rgba(6,26,54,.4);opacity:0;transition:.4s;display:flex;align-items:center;gap:10px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast .tk{width:22px;height:22px;border-radius:50%;background:var(--orange);display:grid;place-items:center;font-size:12px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-art{height:340px}
}
@media (max-width:768px){
  .nav-actions .btn-ghost{display:none}
  .nav{background:rgba(10,34,68,.8);backdrop-filter:blur(18px) saturate(170%);-webkit-backdrop-filter:blur(18px) saturate(170%);border-bottom:1px solid rgba(255,255,255,.12);padding:10px 0}
  .nav .brand-name{color:#fff;text-shadow:0 1px 8px rgba(0,0,0,.55)}
  .nav .brand-name small{color:#ffd9bf;text-shadow:0 1px 6px rgba(0,0,0,.4)}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .cat-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .hero{padding:120px 0 56px}
  .hero-search{flex-direction:column}
  .hero-art{height:280px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .detail{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .filter-card{flex-direction:column;align-items:stretch}
  .search-box{min-width:0}
  .sec-pad{padding:50px 0}
}
@media (max-width:440px){
  .prod-grid{grid-template-columns:1fr 1fr}
  .cat-grid{grid-template-columns:1fr 1fr}
  .card-img{height:130px}
  .card-img .emoji{font-size:44px}
  .footer-top{grid-template-columns:1fr}
  .brand-mark{width:36px;height:36px;font-size:18px;border-radius:11px}
  .brand-name{font-size:16px}
  .brand-name small{font-size:9px;letter-spacing:1px}
}
/* ============ 手机深度适配（480px 以下） ============ */
@media (max-width:480px){
  .container{width:100%;padding:0 14px}
  .sec-pad{padding:40px 0}
  .sec-title{font-size:22px}
  /* 商品列表 1 列 */
  .prod-grid{grid-template-columns:1fr;gap:14px}
  .card-img{height:190px}
  /* 弹窗：缩小边距、内容内部滚动、预留键盘空间 */
  .modal{padding:10px}
  .modal-card{border-radius:18px;max-height:92vh;scroll-padding-bottom:40vh}
  .m-body{padding:22px 16px 20px}
  .m-title{font-size:20px}
  .m-title .mi{width:36px;height:36px;font-size:17px}
  .m-sub{font-size:12.5px;margin:6px 0 18px}
  .form-grid{gap:12px}
  /* 输入框 16px 防 iOS 聚焦自动缩放 */
  .field input,.field select,.field textarea{font-size:16px;padding:13px 14px}
  .m-actions{flex-direction:column;gap:10px;margin-top:20px}
  .m-actions .btn{width:100%;flex:none;min-height:46px;font-size:15px}
  /* 手指点击尺寸 */
  .btn{min-height:44px}
  /* toast 不溢出屏幕 */
  .toast{max-width:calc(100vw - 32px);padding:12px 18px;font-size:13px;bottom:24px;border-radius:24px}
  /* 首页 hero */
  .hero{padding:92px 0 40px}
  .hero h1{font-size:29px}
  .hero p{font-size:15px;margin:18px 0 22px}
  .hero-search .go{width:100%}
  .hero-art{height:210px}
  /* 详情卡片操作按钮竖排 */
  .card-actions{flex-direction:column}
  /* 聊天弹窗满屏 + 动态视口自适应键盘弹起 */
  #chatModal{padding:0}
  #chatModal .modal-card{width:100%;height:100dvh;max-height:100dvh;border-radius:0}
  .chat-input{padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));gap:8px}
  .chat-input .btn{min-width:60px;padding:11px 14px}
}
.ann-bar{background:linear-gradient(90deg,#ff8a3d,#ffb27d);color:#fff;padding:10px 16px;font-size:13px;font-weight:600;text-align:center;position:relative;z-index:30}
.ann-bar .ann-close{position:absolute;right:14px;top:50%;transform:translateY(-50%);border:none;background:rgba(255,255,255,.25);color:#fff;border-radius:50%;width:22px;height:22px;cursor:pointer;font-size:12px;line-height:1}
/* ============ 信誉积分 & 交易评价 ============ */
.rep-pill{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:20px;font-size:12.5px;font-weight:800;color:#fff;white-space:nowrap}
.rep-pill .lv{font-weight:700;opacity:.96}
.rv-stats{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0 14px}
.rv-stat{flex:1;min-width:76px;text-align:center;padding:10px;border-radius:12px;background:#fbfaf7;border:1px solid var(--line)}
.rv-stat .n{font-size:18px;font-weight:800;color:var(--navy)}
.rv-stat .l{font-size:11.5px;color:var(--muted)}
.stars{display:flex;gap:2px;align-items:center}
.star{font-size:24px;line-height:1;cursor:pointer;color:#e6ddc8;transition:.12s}
.star.on{color:#ffb347}
.stars-read .star{cursor:default;font-size:15px}
.rv-block{margin:18px 0}
.rv-block-hd{font-weight:800;color:var(--navy);margin-bottom:10px;font-size:14px}
.rv-item{padding:12px 14px;border-radius:12px;background:#fbfaf7;border:1px solid var(--line);margin-bottom:10px}
.rv-item .rv-hd{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.rv-item .rv-who{font-weight:800;font-size:13.5px;color:var(--navy)}
.rv-item .rv-txt{font-size:13px;color:var(--text);line-height:1.6}
.rv-item .rv-time{font-size:11px;color:var(--muted);margin-left:auto}
.rv-tag{font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px}
.safety-wrap{text-align:center;padding:8px 6px}
.safety-ico{font-size:52px;margin-bottom:10px}
.safety-txt{font-size:15.5px;line-height:1.85;color:var(--navy);font-weight:600;text-align:left;background:#fff7ee;border:1px solid #ffd9b8;border-radius:14px;padding:18px 16px;margin:16px 0}
.buyer-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:12px;background:#f4f6f9;border:1.5px solid var(--line);cursor:pointer;font-size:13px;font-weight:600;color:var(--text)}
.buyer-chip.on{border-color:var(--blue);background:rgba(46,168,217,.12);color:var(--blue)}
.card.sold{opacity:.66}
.card.sold .card-img{filter:grayscale(.55)}
.sold-badge{position:absolute;top:10px;right:10px;background:rgba(22,40,63,.82);color:#fff;font-size:12px;font-weight:800;padding:5px 11px;border-radius:20px;letter-spacing:1px}
.pin-badge{position:absolute;bottom:10px;left:12px;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:800;color:#fff;background:linear-gradient(135deg,#f59e0b,#fbbf24);box-shadow:0 4px 10px rgba(245,158,11,.4);letter-spacing:1px}
.sold-banner{margin:0 0 12px;padding:12px 14px;border-radius:12px;background:rgba(229,72,77,.1);border:1px solid rgba(229,72,77,.28);color:#e5484d;font-weight:700;font-size:14px;text-align:center}
.sold-note{display:inline-flex;align-items:center;padding:10px 16px;border-radius:12px;background:rgba(123,135,148,.12);color:#7b8794;font-weight:700;font-size:14px}
/* ============ 毕业季专区 ============ */
.grad-banner{padding:0 0 8px}
.grad-banner-inner{display:flex;align-items:center;gap:18px;padding:22px 26px;border-radius:20px;cursor:pointer;color:#fff;background:linear-gradient(120deg,#123a6b,#2ea8d9 58%,#5cc4f0);box-shadow:0 12px 30px rgba(18,58,107,.28);transition:transform .2s}
.grad-banner-inner:hover{transform:translateY(-2px)}
.grad-banner.hot .grad-banner-inner{background:linear-gradient(120deg,#c14a1d,#ff7a3d 55%,#ffb27d);box-shadow:0 12px 30px rgba(255,122,61,.35)}
.grad-banner-inner.rent{background:linear-gradient(120deg,#0a6e5c,#1fa971 55%,#54d0c0);box-shadow:0 12px 30px rgba(31,169,113,.28)}
.grad-emoji{font-size:42px;line-height:1}
.grad-title{font-size:20px;font-weight:800;display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.grad-sub{font-size:13px;opacity:.92;margin-top:4px}
.grad-btn{margin-left:auto;font-weight:800;font-size:14px;display:flex;align-items:center;gap:6px;white-space:nowrap}
.grad-hot{font-size:12px;font-weight:800;padding:3px 10px;border-radius:20px;background:rgba(255,255,255,.24);letter-spacing:1px}
.grad-flag{display:inline-block;font-size:11px;font-weight:800;padding:2px 8px;border-radius:8px;background:linear-gradient(135deg,#ff7a3d,#ffb27d);color:#fff;margin-right:6px;vertical-align:middle}
.grad-check{display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:14px;background:#fff7ee;border:1.5px solid #ffd9b8;cursor:pointer;font-weight:700;color:var(--navy)}
.grad-check input{width:18px;height:18px;accent-color:var(--orange)}
/* ============ 公告栏 ============ */
.notice-list{display:flex;flex-direction:column;gap:12px}
.notice-item{display:flex;gap:14px;padding:18px 20px;border-radius:16px;background:#fbfaf7;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.notice-item:first-child{border-left:4px solid var(--orange);background:#fff7ee}
.notice-ico{font-size:22px;line-height:1.2}
.notice-hd{display:flex;align-items:center;gap:12px;margin-bottom:6px;flex-wrap:wrap}
.notice-title{font-weight:800;color:var(--navy);font-size:15px}
.notice-time{font-size:12px;color:var(--muted);margin-left:auto}
.notice-content{font-size:13.5px;color:var(--text);line-height:1.7;white-space:pre-wrap;word-break:break-word}
/* ============ 拼多多风格首页（移动端优先） ============ */
.pdd-header{position:sticky;top:0;left:0;right:0;z-index:90;background:linear-gradient(180deg,#ef4a4c,#d9322f);height:52px;padding:0;display:flex;align-items:center;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.pdd-header.scrolled{background:linear-gradient(180deg,#ef4a4c,#d9322f);height:52px;padding:0;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.pdd-header-inner{display:flex;align-items:center;justify-content:space-between;gap:10px}
.pdd-brand{color:#fff;font-size:19px;font-weight:800;letter-spacing:.5px;white-space:nowrap}
.pdd-header-actions{display:flex;align-items:center;gap:8px}
.pdd-header .btn{padding:8px 16px;font-size:13px;border-radius:18px}
.pdd-header .btn-ghost{color:#fff;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35)}
.pdd-header .btn-primary{background:#fff;color:#e93b3d;box-shadow:none;border:none}

/* 搜索条 */
.pdd-searchbar{position:sticky;top:52px;z-index:88;background:#fff;padding:10px 0;border-bottom:1px solid #f0f0f0}
.pdd-search{display:flex;align-items:center;gap:8px;background:#f2f2f2;border-radius:22px;padding:7px 6px 7px 15px}
.pdd-search svg{color:#bbb;flex:none}
.pdd-search input{flex:1;border:none;background:transparent;outline:none;font-size:14px;color:#333;padding:6px 0;min-width:0}
.pdd-search .go{background:linear-gradient(180deg,#ef4a4c,#d9322f);color:#fff;border-radius:18px;padding:9px 22px;font-size:14px;font-weight:700;flex:none;box-shadow:0 3px 8px rgba(217,50,47,.3)}

/* 分类导航（横向滚动） */
.pdd-cats{display:flex;gap:4px;overflow-x:auto;padding:14px 12px;background:#fff;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.pdd-cats::-webkit-scrollbar{display:none}
.pdd-cat{flex:none;display:flex;flex-direction:column;align-items:center;gap:7px;width:66px;cursor:pointer}
.pdd-cat .ic{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;font-size:25px;box-shadow:inset 0 1px 0 rgba(255,255,255,.7)}
.pdd-cat .lb{font-size:12px;color:#333;white-space:nowrap}

/* 快捷入口（两行网格） */
.pdd-quick{display:grid;grid-template-columns:repeat(5,1fr);gap:16px 4px;background:#fff;padding:6px 6px 18px;margin:8px 0;border-radius:12px}
.pdd-qk{display:flex;flex-direction:column;align-items:center;gap:7px;cursor:pointer}
.pdd-qk .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:23px}
.pdd-qk .lb{font-size:12px;color:#333;white-space:nowrap}

/* 百亿补贴 */
.pdd-subsidy{margin:10px 12px;background:linear-gradient(135deg,#fff5f5,#ffe9e8);border:1px solid #ffd3d2;border-radius:14px;padding:14px 16px;display:flex;align-items:center;gap:12px;cursor:pointer;box-shadow:0 2px 8px rgba(217,50,47,.06)}
.pdd-subsidy .tag{background:linear-gradient(135deg,#e93b3d,#ff6b6b);color:#fff;font-size:13px;font-weight:800;padding:4px 11px;border-radius:20px;flex:none;white-space:nowrap}
.pdd-subsidy .txt{flex:1;color:#c1272d;font-weight:700;font-size:14px;line-height:1.5}
.pdd-subsidy .cnt{color:#999;font-size:12px}
.pdd-subsidy .arr{color:#e93b3d;font-weight:800;font-size:16px}

/* 商品卡瀑布流 */
.prod-grid{grid-template-columns:repeat(2,1fr)!important;gap:10px!important}
.pdd-card{background:#fff;border-radius:12px;box-shadow:0 1px 4px rgba(0,0,0,.05);border:none;overflow:hidden}
.pdd-card:hover{transform:none;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.pdd-card .card-img{aspect-ratio:1/1;height:auto;background:#f7f7f7}
.pdd-card .card-img .emoji{font-size:58px}
.pdd-card .fav-btn{opacity:1;transform:scale(1);width:32px;height:32px;font-size:16px}
.pdd-card .card-body{padding:10px 10px 12px}
.pdd-card .card-title{font-size:14px;font-weight:600;line-height:1.45;height:40px;color:#333}
.pdd-card .card-price{margin-top:8px;align-items:baseline}
.pdd-card .card-price .val{font-size:21px;font-weight:800;color:var(--orange)}
.pdd-card .card-price .rmb{font-size:13px}
.pdd-card .card-price .old{font-size:12px;color:#bbb}
.pdd-card .card-price .rent-tag{font-size:11px;font-weight:800;color:#06a851;background:#e8f9ef;border:1px solid #c7efd7;padding:2px 7px;border-radius:6px}
.pdd-card .card-price .rent-tag.free{color:#e93b3d;background:#fff1f1;border-color:#ffd3d2}
.pdd-card .card-price .rent-day{font-size:12px;color:#999}
.pdd-card .card-meta{margin-top:8px;padding-top:0;border-top:none;display:flex;justify-content:space-between;align-items:center;gap:6px}
.pdd-card .card-seller{color:#999;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;max-width:60%}
.pdd-card .card-sold{color:#06a851;font-size:11.5px;font-weight:700;flex:none;white-space:nowrap}