:root{
  /* 品牌色 */
  --brand:#178a52; --brand-2:#0f6a3d; --brand-3:#21a15f; --brand-soft:#e6f6ee;
  --accent:#e8a02a; --accent-2:#d9822b; --accent-soft:#fff5e6;
  /* 中性色 */
  --bg:#f3f6f8; --bg-2:#eef2f5; --card:#ffffff; --line:#e6ebef; --line-2:#dfe5ea;
  --text:#1f2d36; --text-2:#3a4a55; --muted:#6a7681; --muted-2:#94a0ab;
  --ok:#178a52; --warn:#d9822b; --bad:#d9534f; --info:#2b7fd4;
  /* 间距系统 */
  --space-xs:6px; --space-sm:10px; --space-md:16px; --space-lg:24px;
  --space-xl:36px; --space-2xl:56px; --space-3xl:80px;
  /* 圆角 */
  --radius:16px; --radius-sm:10px; --radius-md:14px; --radius-lg:22px;
  /* 阴影 */
  --shadow-xs:0 1px 3px rgba(15,30,45,.06);
  --shadow-sm:0 2px 8px rgba(15,30,45,.06);
  --shadow:0 6px 22px rgba(23,138,82,.10);
  --shadow-md:0 12px 36px rgba(15,30,45,.12);
  --shadow-lg:0 24px 60px rgba(15,30,45,.18);
  --shadow-brand:0 10px 30px rgba(23,138,82,.25);
  /* 字体 */
  --fs-xs:12px; --fs-sm:13px; --fs-base:15px; --fs-md:17px;
  --fs-lg:20px; --fs-xl:26px; --fs-2xl:34px; --fs-3xl:46px;
  --fw-regular:400; --fw-medium:500; --fw-semibold:600; --fw-bold:700; --fw-black:800;
  /* 动效 */
  --ease-out:cubic-bezier(.22,.61,.36,1);
  --dur-fast:.15s; --dur:.25s; --dur-slow:.4s;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;}
a{color:var(--brand);text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--brand-3);outline-offset:2px}
.app{min-height:100vh;display:flex;flex-direction:column}

/* 顶部栏 */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:14px 24px;background:linear-gradient(90deg,var(--brand),var(--brand-3));
  color:#fff;box-shadow:0 2px 14px rgba(15,30,45,.18)}
.brand{display:flex;align-items:center;gap:11px;cursor:pointer}
.brand .logo{width:40px;height:40px;border-radius:12px;background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:22px;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.logo-img{width:40px;height:40px;border-radius:12px;flex:none;box-shadow:0 3px 10px rgba(23,138,82,.35);
  transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}
.brand:hover .logo-img{transform:scale(1.06);box-shadow:0 5px 16px rgba(23,138,82,.5)}
.foot-brand .logo-img{width:42px;height:42px;border-radius:12px;box-shadow:var(--shadow-brand)}
.brand.big .logo-img{width:60px;height:60px;border-radius:16px}
.brand-txt b{font-size:16px;display:block;letter-spacing:.3px}
.brand-txt small{opacity:.85;font-size:12px}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nlink{color:#fff;padding:8px 14px;border-radius:999px;font-size:14px;opacity:.9;cursor:pointer;white-space:nowrap;
  transition:background var(--dur-fast) var(--ease-out),opacity var(--dur-fast) var(--ease-out)}
.nlink:hover{background:rgba(255,255,255,.18);opacity:1}
.nlink.active{background:#fff;color:var(--brand);font-weight:600;opacity:1}
.nlink.adm{font-weight:700;background:rgba(255,255,255,.15)}
.nlink.adm.active{background:#fff;color:var(--brand)}

/* 布局 */
.main{flex:1;padding:24px;max-width:1180px;width:100%;margin:0 auto}
.page{padding:24px;max-width:1180px;margin:0 auto}

/* 首页 Hero */
.hero{position:relative;padding:56px 32px;border-radius:var(--radius-lg);color:#fff;text-align:center;
  background:
    radial-gradient(900px 400px at 85% -10%,rgba(255,255,255,.18),transparent 60%),
    radial-gradient(1100px 420px at 20% 110%,#2bbd79,var(--brand) 55%,var(--brand-2));
  box-shadow:var(--shadow);overflow:hidden}
.hero::before,.hero::after{content:'';position:absolute;border-radius:50%;background:rgba(255,255,255,.1)}
.hero::before{width:240px;height:240px;top:-100px;left:-60px}
.hero::after{width:320px;height:320px;bottom:-180px;right:-80px}
.hero-logo{width:clamp(72px,12vw,92px);height:clamp(72px,12vw,92px);object-fit:cover;border-radius:22px;
  position:relative;display:block;margin:0 auto 16px;
  box-shadow:0 10px 28px rgba(0,0,0,.24),0 3px 10px rgba(0,0,0,.18);border:3px solid rgba(255,255,255,.5)}
.hero-pill{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);padding:8px 18px;border-radius:999px;font-size:13px;font-weight:600;
  margin-bottom:20px;letter-spacing:.3px;position:relative;backdrop-filter:blur(4px)}
.hero h1{margin:0 0 10px;font-size:clamp(26px,4vw,40px);letter-spacing:.5px;position:relative;font-weight:var(--fw-black);
  line-height:1.25}
.hero .tag{font-size:clamp(15px,2vw,18px);opacity:.96;margin:0 0 28px;position:relative;font-weight:var(--fw-medium);
  line-height:1.6;max-width:620px;margin-left:auto;margin-right:auto}
.hero .tag .accent{color:#ffe082;font-weight:var(--fw-bold)}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0}
.card.stat{background:var(--card);border-radius:var(--radius-md);padding:28px 20px 24px;box-shadow:var(--shadow-sm);
  text-align:left;border:1px solid var(--line);position:relative;overflow:hidden;
  transition:transform var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease-out),border-color var(--dur) var(--ease-out)}
.card.stat:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--brand-3)}
.card.stat::before{content:'';position:absolute;top:0;left:0;right:0;height:5px}
.card.stat.age::before{background:linear-gradient(90deg,#5b9bd5,#2b7fd4)}
.card.stat.bmi::before{background:linear-gradient(90deg,#e8a02a,#d9822b)}
.card.stat.time::before{background:linear-gradient(90deg,#21a15f,#178a52)}
.card.stat.check::before{background:linear-gradient(90deg,#8a5cf6,#6a3dd4)}
.c-icon{width:52px;height:52px;margin:0 0 16px;border-radius:14px;display:flex;align-items:center;
  justify-content:center;font-size:26px}
.c-icon.age{background:#e8f2ff}
.c-icon.bmi{background:var(--accent-soft)}
.c-icon.time{background:var(--brand-soft)}
.c-icon.check{background:#f2ecff}
.card.stat b{font-size:var(--fs-xl);display:block;color:var(--text);letter-spacing:.5px;font-weight:var(--fw-black);margin-bottom:6px}
.card.stat span{color:var(--muted);font-size:var(--fs-sm);line-height:1.7;display:block}
.panel{background:var(--card);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:18px;border:1px solid var(--line)}
.panel h2{margin:0 0 18px;font-size:var(--fs-lg);font-weight:var(--fw-bold)}
.points{list-style:none;padding:0;margin:0}
.points li{padding:11px 0;border-bottom:1px solid var(--line);font-size:var(--fs-base)}
.points li:last-child{border-bottom:none}

/* 版权 foot */
.foot{margin-top:28px;padding:30px 26px;background:linear-gradient(180deg,#ffffff,#f4faf6);color:var(--muted);
  border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
.foot-brand{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.foot-brand .logo{width:42px;height:42px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:22px;box-shadow:var(--shadow-brand)}
.foot-brand .fb-txt{text-align:left}
.foot-brand .fb-txt b{font-size:var(--fs-md);color:var(--text);display:block;font-weight:var(--fw-bold)}
.foot-brand .fb-txt small{color:var(--brand);font-weight:var(--fw-semibold);font-size:var(--fs-xs)}
.foot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:760px;margin:0 auto}
.foot-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:18px 10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:transform var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease-out)}
.foot-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.foot-item .fi{font-style:normal;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--brand-soft);color:var(--brand)}
.foot-item span{font-size:var(--fs-xs);color:var(--muted)}
.foot-item b{font-size:var(--fs-md);color:var(--text);font-weight:var(--fw-bold);word-break:break-all}
.foot-copy{margin-top:22px;text-align:center;font-size:var(--fs-xs);color:var(--muted);padding-top:16px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 14px;line-height:1.9}
.foot-link{color:var(--brand);text-decoration:none;font-weight:var(--fw-semibold)}
.foot-link:hover{text-decoration:underline}
.foot-icp .foot-link{color:var(--muted);font-weight:var(--fw-medium)}
.foot-icp-pending{color:var(--muted);opacity:.75}

/* 下载中心 */
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:14px}
.dl-card{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding:26px 20px;
  background:linear-gradient(180deg,#f7fbf9,#fff);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.dl-card .dl-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:28px;background:var(--brand-soft)}
.dl-card b{font-size:var(--fs-md);color:var(--text);font-weight:var(--fw-bold)}
.dl-card p{font-size:var(--fs-sm);color:var(--muted);line-height:1.7;margin:0;max-width:340px}
.dl-card .btn{margin-top:6px}
.dl-note{text-align:center;font-size:var(--fs-sm);color:var(--muted);margin:16px 0 0}
@media (max-width:640px){ .dl-grid{grid-template-columns:1fr} }

/* 目标 vs 实际 + 体重趋势折线图 */
.goal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0 18px}
.goal-card{display:flex;flex-direction:column;align-items:center;gap:5px;padding:18px 16px;
  background:linear-gradient(180deg,#f7fbf9,#fff);border:1px solid var(--line);border-radius:var(--radius-sm);text-align:center}
.goal-card span{font-size:var(--fs-sm);color:var(--muted);font-weight:var(--fw-medium)}
.goal-card b{font-size:var(--fs-xl);color:var(--text);font-weight:var(--fw-black);line-height:1.2;word-break:break-all}
.goal-card small{font-size:var(--fs-xs);color:var(--muted-2)}
.chart-wrap{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.chart-title{font-size:var(--fs-md);font-weight:var(--fw-bold);margin:0 0 12px;color:var(--text)}
.chart-title small{font-weight:var(--fw-regular);font-size:var(--fs-xs);color:var(--muted);margin-left:8px}
.wchart{width:100%;height:auto;display:block}
.ch-grid{stroke:var(--line);stroke-width:1;stroke-dasharray:3 4}
.ch-yt,.ch-xt{font-size:11px;fill:var(--muted-2);font-family:inherit}
.ch-area{fill:rgba(23,138,82,.10);stroke:none}
.ch-line{fill:none;stroke:var(--brand);stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round}
.ch-dot{fill:#fff;stroke:var(--brand);stroke-width:2}
.ch-target{stroke:var(--accent-2);stroke-width:1.8;stroke-dasharray:6 4}
.ch-target-txt{font-size:11px;fill:var(--accent-2);font-weight:var(--fw-bold);font-family:inherit}
@media (max-width:640px){ .goal-grid{grid-template-columns:1fr} }

/* 社区互动栏 + 微信式评论区 */
.post-actions{display:flex;gap:18px;align-items:center;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.pa-btn{background:none;border:none;cursor:pointer;font-size:var(--fs-sm);color:var(--muted);
  padding:6px 10px;border-radius:8px;display:inline-flex;align-items:center;gap:4px;transition:background var(--dur-fast) var(--ease-out)}
.pa-btn:hover{background:var(--bg-2)}
.pa-btn.liked{color:var(--bad)}
.comments{margin-top:12px;background:#f7f8fa;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px}
.cmt-list{max-height:340px;overflow-y:auto;display:flex;flex-direction:column;gap:14px;padding-right:4px}
.cmt-empty{padding:14px 8px;text-align:center;font-size:var(--fs-sm)}
.cmt-item{display:flex;gap:10px;align-items:flex-start}
.cmt-avatar{flex:none;width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:var(--fs-md);font-weight:var(--fw-bold)}
.cmt-body{flex:1;min-width:0}
.cmt-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cmt-meta b{font-size:var(--fs-sm);color:var(--text-2)}
.cmt-level{font-size:var(--fs-xs);background:var(--accent-soft);color:var(--accent-2);padding:1px 7px;border-radius:999px}
.cmt-time{font-size:var(--fs-xs);color:var(--muted-2)}
.cmt-replyto{font-size:var(--fs-xs);color:var(--muted);margin-top:3px}
.cmt-content{font-size:var(--fs-sm);color:var(--text);line-height:1.6;margin-top:3px;white-space:pre-wrap;word-break:break-word}
.cmt-img{max-width:200px;max-height:200px;border-radius:10px;margin-top:6px;cursor:pointer;display:block;border:1px solid var(--line)}
.cmt-actions{display:flex;gap:14px;align-items:center;margin-top:5px}
.cmt-like,.cmt-act{background:none;border:none;cursor:pointer;font-size:var(--fs-xs);color:var(--muted);padding:2px 4px}
.cmt-like.liked{color:var(--bad)}
.cmt-act:hover{color:var(--brand)}
.cmt-act.danger:hover{color:var(--bad)}
.cmt-replybar{display:none;align-items:center;gap:8px;font-size:var(--fs-xs);color:var(--muted);
  background:var(--brand-soft);padding:6px 10px;border-radius:8px;margin:10px 0 8px}
.cmt-replybar b{color:var(--brand-2)}
.cmt-cancel{margin-left:auto;cursor:pointer;color:var(--muted-2)}
.cmt-prev{max-width:88px;max-height:88px;border-radius:8px;margin:8px 0 0 46px;border:1px solid var(--line)}
.cmt-input{display:flex;gap:8px;align-items:center;margin-top:10px}
.cmt-imgbtn{flex:none;width:38px;height:38px;border-radius:10px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer}
.cmt-imgbtn:hover{border-color:var(--brand)}
.cmt-text{flex:1;height:38px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:var(--fs-sm);background:#fff}
.cmt-text:focus{outline:none;border-color:var(--brand)}

/* 报名流程步骤条 + 完成态 */
.steps{display:flex;align-items:flex-start;margin:18px 0 4px;flex-wrap:wrap}
.step{flex:1;min-width:110px;display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;padding:0 6px}
.step:not(:last-child)::after{content:'';position:absolute;top:17px;left:calc(50% + 24px);width:calc(100% - 48px);height:2px;background:var(--line-2);z-index:0}
.step.done:not(:last-child)::after{background:var(--brand)}
.step-dot{width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--line-2);color:var(--muted-2);
  display:flex;align-items:center;justify-content:center;font-weight:var(--fw-bold);position:relative;z-index:1;font-size:var(--fs-md)}
.step.done .step-dot{background:var(--brand);border-color:var(--brand);color:#fff}
.step-lb{margin-top:8px;font-size:var(--fs-sm);color:var(--muted);font-weight:var(--fw-medium)}
.step.done .step-lb{color:var(--brand-2);font-weight:var(--fw-bold)}
.done-banner{background:linear-gradient(135deg,var(--brand-soft),#fff);border:1px solid #bfe6d0;border-radius:var(--radius);
  padding:20px;margin-top:14px}
.done-banner b{font-size:var(--fs-lg);color:var(--brand-2);display:block;margin-bottom:6px}
.done-banner p{margin:0 0 8px;color:var(--text-2);font-size:var(--fs-sm)}
.ok-text{color:var(--ok);font-weight:var(--fw-semibold)}
.bad-tip{color:var(--bad);background:#fdeeee;border:1px solid #f5cccc;border-radius:10px;padding:10px 12px;margin-top:10px;font-size:var(--fs-sm)}

/* 按钮/表单 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;cursor:pointer;
  padding:12px 22px;border-radius:var(--radius-sm);font-size:var(--fs-base);font-weight:var(--fw-semibold);
  transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-3));color:#fff;box-shadow:var(--shadow-brand)}
.btn.primary:hover{background:linear-gradient(135deg,var(--brand-2),var(--brand));box-shadow:0 12px 32px rgba(23,138,82,.38)}
.btn.ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.btn.ghost:hover{background:var(--brand-soft)}
.btn.danger{background:var(--bad);color:#fff}
.btn.danger:hover{background:#c13935}
.btn.sm{padding:7px 14px;font-size:var(--fs-sm);border-radius:9px}
.btn.w-full{width:100%}
.field{margin-bottom:var(--space-md)}
.field label{display:block;margin-bottom:7px;font-size:var(--fs-sm);color:var(--muted);font-weight:var(--fw-medium)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);
  border-radius:var(--radius-sm);font-size:var(--fs-base);background:#fff;color:var(--text);outline:none;
  transition:border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,138,82,.12)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}
.upload-box{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:1.5px dashed var(--brand);border-radius:var(--radius-sm);padding:18px;color:var(--brand);cursor:pointer;text-align:center;
  transition:background var(--dur-fast) var(--ease-out)}
.upload-box:hover{background:var(--brand-soft)}
.upload-rules{background:var(--brand-soft);border:1px solid #bfe6d2;border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);padding:10px 14px;margin:0 0 14px;font-size:var(--fs-xs);color:var(--brand-2);line-height:1.7}
/* BMI 只读显示（注册页） */
.bmi-readonly label{font-weight:var(--fw-semibold)}
.bmi-display{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#f3f8f5,#fff);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:14px 18px;margin-top:6px}
.bmi-val{font-size:30px;font-weight:var(--fw-black);color:var(--text);line-height:1}
.bmi-label{font-size:var(--fs-sm);color:var(--muted);font-weight:var(--fw-medium)}
/* 准入结论：符合(超重/肥胖, BMI≥24 且年龄达标)绿色；不符合(偏瘦/正常 或 年龄不符)红色 */
.bmi-val.bmi-ok{color:#178a52}
.bmi-val.bmi-deny{color:var(--bad)}
.bmi-label.bmi-ok{color:#178a52;font-weight:var(--fw-bold)}
.bmi-label.bmi-deny{color:var(--bad);font-weight:var(--fw-bold)}
.tip{font-size:var(--fs-sm);color:var(--muted)}
.tip a{font-weight:var(--fw-semibold)}

/* 认证 */
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-xl);gap:22px;
  background:radial-gradient(800px 400px at 50% -10%,#2bbd79,var(--brand) 50%,var(--brand-2))}
.brand.big{flex-direction:column;text-align:center;gap:10px}
.brand.big .logo{width:60px;height:60px;font-size:32px;border-radius:16px}
.auth-card{background:var(--card);border-radius:var(--radius-lg);padding:30px;width:100%;max-width:420px;box-shadow:var(--shadow-lg)}
.auth-card h2{text-align:center;margin:0 0 24px;font-size:var(--fs-xl);font-weight:var(--fw-bold)}
.auth-foot{text-align:center;margin-top:18px;font-size:var(--fs-sm)}

/* 工作台 */
.grid{display:grid;grid-template-columns:1.5fr 1fr;gap:18px}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 12px;text-align:center;box-shadow:var(--shadow-xs);
  transition:transform var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease-out)}
.kpi:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.kpi span{font-size:var(--fs-xs);color:var(--muted);display:block;margin-bottom:4px}
.kpi b{font-size:28px;color:var(--brand);display:block;margin:4px 0 2px;font-weight:var(--fw-black)}
.kpi small{color:var(--muted-2);font-size:var(--fs-xs)}
.kpi.big b{font-size:32px}
.level-badge{font-size:var(--fs-md);padding:12px 16px;background:linear-gradient(90deg,var(--accent-soft),#fff);border-radius:var(--radius-sm);
  border:1px solid #f2dca5;margin-bottom:8px}
.level-badge b{color:var(--accent-2);font-size:var(--fs-lg);font-weight:var(--fw-bold)}
.status-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:8px}
.chip{padding:6px 14px;border-radius:999px;font-size:var(--fs-sm);font-weight:var(--fw-semibold)}
.chip.ok{background:var(--brand-soft);color:var(--ok)}
.chip.warn{background:var(--accent-soft);color:var(--warn)}
.kv{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:var(--fs-sm)}
.kv:last-child{border-bottom:none}
.kv span{color:var(--muted)}
.kv b{font-weight:var(--fw-semibold);text-align:right}
.kv .ok{color:var(--ok)} .kv .warn{color:var(--warn)}
.phasebar{display:flex;gap:8px;margin:10px 0 16px}
.phasebar .seg{flex:1;text-align:center;padding:12px 6px;border-radius:var(--radius-sm);background:var(--bg-2);border:1px solid var(--line)}
.phasebar .seg.done{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}
.phasebar .seg i{font-style:normal;font-weight:var(--fw-bold);display:block;font-size:var(--fs-sm)}
.phasebar .seg small{font-size:11px;opacity:.75}
.empty{color:var(--muted);text-align:center;padding:28px;font-size:var(--fs-sm)}
.done-box{background:var(--brand-soft);color:var(--ok);border-radius:var(--radius-sm);padding:30px;text-align:center;font-size:var(--fs-lg);font-weight:var(--fw-bold)}
.done-box small{display:block;margin-top:8px;font-weight:var(--fw-regular);color:var(--brand-2);font-size:var(--fs-sm)}
.lines{display:flex;flex-direction:column;gap:10px}
.line{display:flex;align-items:center;gap:14px;padding:14px 16px;background:#fbfcfd;border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color var(--dur-fast) var(--ease-out)}
.line:hover{border-color:var(--brand-3)}
.line span{color:var(--muted);font-size:var(--fs-sm)}
.line b{margin-left:auto;font-weight:var(--fw-semibold)}
.line small{color:var(--muted-2)}
.badge{padding:3px 9px;border-radius:8px;font-size:var(--fs-xs);font-weight:var(--fw-semibold)}
.badge.green{background:var(--brand-soft);color:var(--ok)}
.badge.red{background:#fdecea;color:var(--bad)}

/* 论坛 */
.row-between{display:flex;align-items:center;justify-content:space-between}
.post-form{margin-bottom:18px;padding:18px;background:#fbfcfd;border:1px solid var(--line);border-radius:var(--radius-sm)}
.post-list{display:flex;flex-direction:column;gap:14px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;transition:box-shadow var(--dur) var(--ease-out),border-color var(--dur) var(--ease-out)}
.post:hover{box-shadow:var(--shadow-sm);border-color:var(--line-2)}
.post.pend{opacity:.6}
.post-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:var(--fs-sm);color:var(--muted)}
.p-author{font-weight:var(--fw-bold);color:var(--text)}
.p-level{background:var(--accent-soft);color:var(--warn);padding:3px 10px;border-radius:8px;font-size:var(--fs-xs);font-weight:var(--fw-semibold)}
.p-date{margin-left:auto}
.p-status{padding:3px 10px;border-radius:8px;font-weight:var(--fw-semibold);font-size:var(--fs-xs)}
.p-status.visible{background:var(--brand-soft);color:var(--ok)}
.p-status.pending{background:var(--accent-soft);color:var(--warn)}
.p-status.removed{background:#fdecea;color:var(--bad)}
.post h3{margin:10px 0 8px;font-size:var(--fs-md);font-weight:var(--fw-bold)}
.post p{margin:0 0 12px;white-space:pre-wrap;line-height:1.75;color:var(--text-2)}
.post-img{max-width:100%;max-height:280px;border-radius:var(--radius-sm);margin-top:10px}
.post-admin{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;margin-bottom:14px;
  transition:box-shadow var(--dur) var(--ease-out)}
.cert-card:hover{box-shadow:var(--shadow-sm)}
.cert-img{max-width:100%;max-height:240px;border-radius:var(--radius-sm);margin:10px 0}
.muted{color:var(--muted);font-size:var(--fs-sm)}

/* 后台 tabs */
.nav-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;padding:6px;background:var(--bg-2);border-radius:999px}
.tab{padding:9px 18px;border-radius:999px;background:transparent;border:1px solid transparent;cursor:pointer;font-size:var(--fs-sm);font-weight:var(--fw-medium);color:var(--muted);
  transition:all var(--dur-fast) var(--ease-out)}
.tab:hover{color:var(--text);background:rgba(255,255,255,.6)}
.tab.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--shadow-sm);font-weight:var(--fw-semibold)}

/* 版本列表 */
.version-list{display:flex;flex-direction:column;gap:14px}
.version-item{background:#fbfcfd;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px;
  transition:box-shadow var(--dur) var(--ease-out)}
.version-item:hover{box-shadow:var(--shadow-sm)}
.v-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.v-badge{background:var(--brand);color:#fff;padding:4px 12px;border-radius:8px;font-weight:var(--fw-bold);font-size:var(--fs-sm)}
.v-date{color:var(--muted);font-size:var(--fs-xs)}
.version-item p{margin:0;line-height:1.7;color:var(--text-2)}

/* toast */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);background:#1f2d36;color:#fff;
  padding:13px 24px;border-radius:var(--radius-sm);font-size:var(--fs-sm);font-weight:var(--fw-medium);
  opacity:0;pointer-events:none;transition:all var(--dur) var(--ease-out);z-index:99;box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.error{background:var(--bad)}
.toast.ok{background:var(--brand)}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(15,30,45,.5);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;
  backdrop-filter:blur(4px)}
.modal{width:100%;max-width:480px;background:#fff;border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-lg)}
.modal h3{margin:0 0 18px;font-size:var(--fs-lg);font-weight:var(--fw-bold)}
.doc-body{max-height:56vh;overflow:auto;background:#fbfcfd;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;line-height:1.8;font-size:var(--fs-sm);white-space:normal}

/* Dialog（会议排名等弹窗） */
.dialog-mask{position:fixed;inset:0;background:rgba(15,30,45,.55);display:flex;align-items:center;justify-content:center;z-index:110;padding:20px;
  backdrop-filter:blur(6px)}
.dialog-box{width:100%;max-width:500px;background:#fff;border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-lg);max-height:90vh;overflow:auto}
.dialog-box.wide{max-width:820px}

/* 会议排名 */
.star{color:var(--accent);font-size:16px;letter-spacing:2px}
.rank-table{width:100%;border-collapse:collapse;margin-top:12px;font-size:var(--fs-sm)}
.rank-table th,.rank-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.rank-table th{background:var(--bg-2);font-weight:var(--fw-semibold);color:var(--muted);font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.5px}
.rank-table tr:hover td{background:#fbfcfd}
/* 后台会员清单：行点击展开 / 操作行默认隐藏 */
.admin-members-table{table-layout:auto}
.admin-members-table .row-clickable{cursor:pointer}
.admin-members-table .row-clickable.open{background:#f3f8f5}
.admin-members-table .row-clickable.open td:first-child::before{content:'▾ ';color:var(--brand)}
.admin-members-table .row-clickable td:first-child::before{content:'▸ ';color:var(--muted);margin-right:2px}
.admin-member-actions{display:none}
.admin-member-actions td{padding:10px 14px;background:#f6faf8;border-bottom:2px solid var(--brand)}
.admin-members-table tr.row-clickable.open + tr.admin-member-actions{display:table-row}
.admin-members-table tr.row-muted td{color:var(--muted);background:#fafbfc}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.meeting-item{padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  transition:box-shadow var(--dur) var(--ease-out)}
.meeting-item:hover{box-shadow:var(--shadow-sm)}
.p-status.meeting-upcoming{background:#e3f2fd;color:#1565c0}
.p-status.meeting-ongoing{background:var(--accent-soft);color:#e65100}
.p-status.meeting-finished{background:#ede7f6;color:#4527a0}

/* 减脂前/后照片上传窗口 */
.chip.bad{background:#fdecea;color:var(--bad)}

/* BMI 科普卡 */
.bmi-guide{background:linear-gradient(180deg,#f7faf8,#fff);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 22px;margin:4px 0 20px}
.bmi-guide-head{display:flex;gap:14px;align-items:flex-start}
.bmi-icon{flex:none;width:46px;height:46px;border-radius:12px;background:var(--brand-soft);display:flex;align-items:center;
  justify-content:center;font-size:24px}
.bmi-guide-head b{font-size:var(--fs-md);font-weight:var(--fw-bold);display:block;margin-bottom:4px}
.bmi-guide-head p{margin:0;color:var(--text-2);font-size:var(--fs-sm);line-height:1.75}
.bmi-formula{margin:14px 0 16px;padding:12px 16px;background:#fff;border:1px dashed var(--brand-3);border-radius:var(--radius-sm);
  font-size:var(--fs-sm);color:var(--text-2);display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.bmi-formula code{background:var(--brand);color:#fff;padding:5px 12px;border-radius:8px;font-weight:var(--fw-semibold);
  font-family:inherit;font-size:var(--fs-sm);white-space:nowrap}
.bmi-eg{color:var(--muted);font-size:var(--fs-xs)}
.bmi-eg b{color:var(--accent-2);font-size:var(--fs-sm)}
.bmi-scale{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.bmi-range{border-radius:var(--radius-sm);padding:12px 8px;text-align:center;color:#fff;display:flex;flex-direction:column;gap:3px}
.bmi-range span{font-weight:var(--fw-bold);font-size:var(--fs-base)}
.bmi-range em{font-style:normal;font-size:var(--fs-xs);opacity:.95;font-weight:var(--fw-medium)}
.bmi-range.thin{background:linear-gradient(135deg,#5b9bd5,#2b7fd4)}
.bmi-range.normal{background:linear-gradient(135deg,#21a15f,#178a52)}
.bmi-range.overweight{background:linear-gradient(135deg,#e8a02a,#d9822b)}
.bmi-range.obese{background:linear-gradient(135deg,#e0645f,#d9534f)}
.bmi-note{font-size:var(--fs-sm);color:var(--text-2);line-height:1.7;background:var(--accent-soft);border-radius:var(--radius-sm);
  padding:12px 16px;border-left:4px solid var(--accent-2)}
.bmi-note b{color:var(--text)}

.panel-wide{grid-column:1 / -1}

/* 全宽面板内的分组子卡片 */
.sub-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:18px;align-items:start}
.sub-card{background:#fbfcfd;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;
  box-shadow:var(--shadow-xs)}
.sub-card-full{grid-column:1 / -1}
.sub-card-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.sub-icon{flex:none;width:42px;height:42px;border-radius:12px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;font-size:21px}
.sub-titles{display:flex;flex-direction:column;gap:2px}
.sub-titles b{font-size:var(--fs-md);font-weight:var(--fw-bold);color:var(--text)}
.sub-titles small{font-size:var(--fs-xs);color:var(--muted)}
.sub-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.sub-row:last-child{border-bottom:none;padding-bottom:0}
.sub-row-label{font-size:var(--fs-sm);font-weight:var(--fw-medium);color:var(--text);display:flex;flex-direction:column;margin-right:auto}
.sub-row-label small{font-weight:var(--fw-regular);font-size:var(--fs-xs);color:var(--muted)}
.sub-row .chip{flex:none;font-size:var(--fs-xs);padding:5px 12px}
.sub-label{font-size:var(--fs-sm);color:var(--muted);font-weight:var(--fw-medium);margin:18px 0 12px}
.sub-photos{max-width:none;padding-left:0;margin:0}
.sub-photos .photo-upload-box{padding:14px}

/* 缴费区 */
.pay-box{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.pay-qr{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
.pay-qr img{width:160px;height:160px;object-fit:cover;border-radius:var(--radius-sm)}
.pay-qr small{font-size:var(--fs-xs);color:var(--muted)}

.photo-upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:4px 0 6px;padding-left:10px;max-width:720px}
.photo-upload-box{display:flex;flex-direction:column;border:1.5px dashed var(--line-2);border-radius:var(--radius-md);
  padding:16px;background:#fbfcfd;transition:border-color var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease-out),background var(--dur) var(--ease-out)}
.photo-upload-box:hover{border-color:var(--brand-3);box-shadow:var(--shadow-sm)}
.photo-upload-box.has-photo{border-style:solid;border-color:var(--line);background:#fff;box-shadow:var(--shadow-xs)}
.photo-upload-box .pub-label{font-weight:var(--fw-semibold);font-size:var(--fs-base);color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.pub-preview{position:relative;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-2);aspect-ratio:4/3;margin-bottom:14px}
.pub-preview img{width:100%;height:100%;object-fit:cover;display:block}
.pub-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--muted);font-size:var(--fs-sm);text-align:center;padding:12px}
.pub-ph-icon{width:52px;height:52px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;
  font-size:24px;box-shadow:var(--shadow-xs)}
.photo-upload-box:nth-child(1) .pub-ph-icon{color:#2b7fd4;background:#e8f2ff}
.photo-upload-box:nth-child(2) .pub-ph-icon{color:var(--brand);background:var(--brand-soft)}
.pub-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto}
.pub-foot .chip{font-size:var(--fs-xs);padding:5px 12px}

/* ---------- 报名证明表单：左右两列（左侧字段 / 右侧照片） ---------- */
.apply-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.apply-form-grid .apply-col-fields{display:flex;flex-direction:column;gap:14px}
.apply-form-grid .apply-col-photo{display:flex;flex-direction:column;gap:8px}
.apply-form-grid .apply-col-photo .upload-box{padding:22px 18px;flex:1;min-height:260px}
.apply-form-grid .apply-col-photo .upload-box img{width:100%;max-height:320px;object-fit:contain;border-radius:8px;background:#f6f8fa}
/* 报名步骤①协议 + ②身份证照片：左右两列，照片区利用协议栏右侧空间 */
.apply-step-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
.apply-step-grid .panel{margin:0}
.id-card-box{min-height:260px;padding:18px;flex:1}
.id-card-box .up-icon{font-size:34px;line-height:1}
.id-card-box img{width:100%;max-height:320px;object-fit:contain;border-radius:8px;background:#f6f8fa}
/* 已提交/审核中的证明详情也用两列 */
.apply-cert-detail{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.apply-cert-detail .cert-kvs{display:flex;flex-direction:column;gap:8px}
.apply-cert-detail .cert-img{width:100%;max-height:360px;object-fit:contain;margin:0;border:1px solid var(--line)}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .grid{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .sub-grid{grid-template-columns:1fr}
  .pay-box{grid-template-columns:1fr}
  .pay-qr{margin:0 auto}
  .apply-form-grid,.apply-cert-detail,.apply-step-grid{grid-template-columns:1fr}
  .apply-form-grid .apply-col-photo .upload-box{min-height:auto}
  .id-card-box{min-height:180px}
  .apply-cert-detail .cert-img{max-height:260px}
}
@media (max-width:640px){
  .topbar{flex-direction:column;align-items:flex-start;gap:10px;padding:12px 16px}
  .nav{gap:4px}
  .nlink{padding:6px 12px;font-size:13px}
  .main,.page{padding:16px}
  .hero{padding:40px 20px}
  .hero h1{font-size:26px}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .kpi b{font-size:22px}
  .field-row{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr);gap:12px}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .photo-upload-grid{grid-template-columns:1fr}
  .bmi-scale{grid-template-columns:repeat(2,1fr)}
  .bmi-formula{flex-direction:column;align-items:flex-start;gap:8px}
  .nav-tabs{padding:4px;gap:4px}
  .tab{padding:7px 12px;font-size:12px}
}
/* 电视:增大字号与间距 */
@media (min-width:1600px){
  body{font-size:19px}
  .main,.page{max-width:1500px}
  .nlink{font-size:17px}
  .hero h1{font-size:44px}
}

/* ---------- 新闻模块 ---------- */
.news-filters{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 16px}
.news-filters .chip{padding:6px 14px;border-radius:20px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:var(--fs-sm);transition:.15s}
.news-filters .chip:hover{border-color:var(--brand);color:var(--brand)}
.news-filters .chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}

.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;cursor:pointer;transition:transform .18s,box-shadow .18s}
.news-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.07)}
.nc-cover{height:160px;background-size:cover;background-position:center;background:#e8efe9;position:relative}
.nc-placeholder{display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:600;text-shadow:0 1px 3px rgba(0,0,0,.15)}
.nc-placeholder.activity{background:linear-gradient(135deg,#4caf50,#2e7d32)}
.nc-placeholder.experience{background:linear-gradient(135deg,#ff9800,#e65100)}
.nc-placeholder.science{background:linear-gradient(135deg,#2196f3,#1565c0)}
.nc-placeholder.good_deeds{background:linear-gradient(135deg,#e91e63,#880e4f)}
.nc-body{padding:12px 14px 16px}
.nc-meta{display:flex;align-items:center;gap:8px;font-size:var(--fs-xs);margin-bottom:6px}
.nc-title{font-size:15px;margin:0 0 6px;line-height:1.4;color:var(--ink)}
.nc-snippet{font-size:var(--fs-sm);color:var(--muted);margin:0;line-height:1.55}

/* 详情页 */
.news-detail .back-link{display:inline-block;margin-bottom:14px;color:var(--brand);text-decoration:none;font-size:var(--fs-sm)}
.news-detail .back-link:hover{text-decoration:underline}
.nd-header{margin-bottom:16px}
.nd-header h1{margin:0 0 8px;font-size:22px;line-height:1.35}
.nd-cover{width:100%;max-height:360px;object-fit:cover;border-radius:8px;margin-bottom:14px}
.nd-content{font-size:15px;line-height:1.8;color:var(--ink);word-break:break-word}
.nd-content a{color:var(--brand);text-decoration:underline}
.nd-inline-img{display:block;max-width:100%;max-height:420px;height:auto;border-radius:8px;margin:10px 0;background:#f6f8fa}

.video-embed{position:relative;width:100%;max-width:720px;margin:12px 0 18px;border-radius:8px;overflow:hidden;background:#000}
.video-embed iframe,.video-embed video{width:100%;height:auto;aspect-ratio:16/9;display:block}
.video-fallback{background:#f3f8f5;padding:14px;text-align:center;color:var(--muted);border-radius:8px}
.video-fallback a{color:var(--brand)}

/* 后台编辑器 */
.news-editor{margin:12px 0;padding:16px;background:#f6faf8;border:1px solid var(--brand);border-radius:10px}
.news-editor h3{margin:0 0 12px;font-size:16px}
.news-editor label{display:block;margin-bottom:10px;font-size:var(--fs-sm)}
.news-editor .row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ne-toolbar{display:flex;gap:10px;align-items:center;margin:-4px 0 8px;flex-wrap:wrap}
.ne-inline-preview{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px;min-height:0}
.ne-inline-preview:empty{margin:0}
.ne-thumb{width:80px;height:80px;object-fit:cover;border-radius:6px;border:1px solid #d0d8d4;cursor:pointer}
.ne-actions{display:flex;gap:10px;margin-top:12px}
.admin-news-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}

@media (max-width:600px){
  .news-grid{grid-template-columns:1fr}
  .news-editor .row-2{grid-template-columns:1fr}
}