/* =========================================================
   周老幺 · 会员中心 / 资料下载 共用样式
   设计语言：静奢工业（深海军蓝 + 暖象牙白 + 黄铜金）
   适用：member/*.html、member_download.html
   ========================================================= */

*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#0E1116;
  --navy:#0A2540;
  --navy-2:#0D2E4F;
  --brand:#0B4FC4;
  --brand-2:#2E6BFF;
  --brass:#B08A5A;
  --brass-2:#C9A876;
  --ivory:#F7F5F1;
  --paper:#FFFFFF;
  --muted:#5B6570;
  --muted-2:#8A93A0;
  --line:rgba(14,17,22,.10);
  --line-2:rgba(14,17,22,.18);
  --line-dark:rgba(255,255,255,.14);
  --r:2px;
  --max:1240px;
  --pad:clamp(20px,4vw,40px);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--ivory);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,h5,p{margin:0}
input,button,textarea,select{font-family:inherit;font-size:inherit}
.m-wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--brass);font-weight:600}

/* ---------- 顶部信息条 ---------- */
.m-topbar{background:var(--navy);color:rgba(255,255,255,.66);font-size:12px;letter-spacing:.02em}
.m-topbar .m-wrap{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.m-topbar a{color:rgba(255,255,255,.78);margin-left:18px;transition:color .2s}
.m-topbar a:hover{color:#fff}

/* ---------- 头部 ---------- */
.m-header{background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.m-header .m-wrap{display:flex;align-items:center;justify-content:space-between;height:82px;gap:24px}
.m-logo img{height:48px;width:auto}
.m-nav{display:flex;align-items:center;gap:30px;font-size:15px}
.m-nav a{position:relative;padding:6px 0;color:#2A313A;white-space:nowrap}
.m-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .28s ease}
.m-nav a:hover::after{width:100%}
.m-head-right{display:flex;align-items:center;gap:14px}
.m-phone{font-size:13px;color:var(--muted);white-space:nowrap}
.m-phone b{color:var(--navy);font-weight:600}

/* ---------- 按钮 ---------- */
.m-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r);
  font-size:14px;font-weight:600;letter-spacing:.02em;line-height:1;
  cursor:pointer;transition:all .22s ease;white-space:nowrap;
}
.m-btn-primary{background:var(--navy);color:#fff}
.m-btn-primary:hover{background:var(--brand)}
.m-btn-ghost{border-color:var(--line-2);color:var(--ink);background:#fff}
.m-btn-ghost:hover{border-color:var(--ink)}
.m-btn-brass{background:var(--brass);color:#fff}
.m-btn-brass:hover{background:#9C7748}
.m-btn-block{width:100%;height:52px;font-size:15px}

/* ---------- 主体 ---------- */
.m-main{min-height:56vh}

/* ---------- 登录 / 注册 分栏 ---------- */
.auth{display:grid;grid-template-columns:1.02fr .98fr;min-height:620px;margin:clamp(30px,4.6vw,60px) 0}
.auth-visual{position:relative;background:var(--navy);overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(32px,4vw,52px)}
.auth-visual>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.auth-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,37,64,.25),rgba(10,37,64,.94))}
.auth-visual .v-content{position:relative;z-index:1;color:#fff;max-width:420px}
.auth-visual .eyebrow{color:var(--brass-2)}
.auth-visual h2{font-size:clamp(26px,3vw,36px);line-height:1.24;font-weight:600;letter-spacing:-.02em;margin:14px 0 16px}
.auth-visual p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7)}
.auth-visual .v-line{width:44px;height:1px;background:var(--brass-2);margin:22px 0}
.auth-form{background:#fff;padding:clamp(30px,4vw,56px);display:flex;flex-direction:column;justify-content:center}
.auth-form h1{font-size:clamp(26px,2.6vw,32px);line-height:1.2;font-weight:600;letter-spacing:-.02em}
.auth-form .sub{font-size:14px;color:var(--muted);margin:10px 0 28px}

/* ---------- 表单 ---------- */
.field{margin-bottom:18px}
.field>label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field>label .req{color:#C0392B;margin-left:3px}
.field input[type=text],
.field input[type=password],
.field input[type=email],
.field input[type=tel],
.field textarea{
  width:100%;height:50px;padding:0 15px;
  border:1px solid var(--line-2);border-radius:var(--r);
  background:#fff;color:var(--ink);font-size:15px;line-height:50px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:110px;padding:12px 15px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#A9B0B8}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(10,37,64,.08)}
.field .hint{font-size:12px;color:var(--muted-2);margin-top:6px;line-height:1.6}
.checkcode{display:flex;gap:12px;align-items:stretch}
.checkcode input{flex:1;min-width:0}
.checkcode img{width:122px;height:50px;object-fit:cover;border:1px solid var(--line-2);border-radius:var(--r);cursor:pointer;background:#fff}
.auth-submit{margin-top:6px}
.auth-links{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;font-size:13px;color:var(--muted)}
.auth-links a{color:var(--navy);font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s}
.auth-links a:hover{border-bottom-color:var(--brass)}
.auth-divider{display:flex;align-items:center;gap:12px;margin:26px 0 18px;font-size:12px;color:var(--muted-2)}
.auth-divider::before,.auth-divider::after{content:"";height:1px;flex:1;background:var(--line)}

/* ---------- 提示条 ---------- */
.notice{padding:12px 16px;border-left:2px solid var(--brass);background:#FBF8F3;color:#6B5A42;font-size:13px;line-height:1.7;margin-bottom:22px}
.notice-warn{border-left-color:#C0392B;background:#FDF4F2;color:#8A3A2E}

/* ---------- 内页 Hero ---------- */
.page-hero{background:var(--navy);color:#fff;padding:clamp(46px,6.4vw,80px) 0;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-140px;top:-140px;width:440px;height:440px;border:1px solid rgba(201,168,118,.18);border-radius:50%}
.page-hero .m-wrap{position:relative;z-index:1}
.page-hero .eyebrow{color:var(--brass-2)}
.page-hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.16;font-weight:600;letter-spacing:-.02em;margin:14px 0 14px}
.page-hero p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.68);max-width:620px}
.page-hero .hero-meta{display:flex;gap:26px;margin-top:24px;font-size:13px;color:rgba(255,255,255,.58)}
.page-hero .hero-meta b{color:var(--brass-2);font-weight:600;margin-right:5px}

/* ---------- 资料下载 ---------- */
.dl-wrap{padding:clamp(38px,5vw,66px) 0}
.dl-signed{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px 20px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--brass);margin-bottom:22px;font-size:13px;color:var(--muted)}
.dl-signed b{color:var(--ink);font-weight:600}
.dl-signed a{color:var(--navy);font-weight:600}
.dl-locked{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;padding:24px 26px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--brass);margin-bottom:26px}
.dl-locked b{display:block;font-size:17px;font-weight:600;margin-bottom:5px}
.dl-locked span{font-size:13px;color:var(--muted)}
.dl-locked .acts{display:flex;gap:10px;flex-wrap:wrap}

.dl-list{display:grid;gap:12px}
.dl-item{
  display:grid;grid-template-columns:58px 1fr auto;gap:22px;align-items:center;
  padding:22px 24px;background:#fff;border:1px solid var(--line);
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.dl-item:hover{border-color:rgba(11,79,196,.34);box-shadow:0 20px 42px -30px rgba(10,37,64,.4);transform:translateY(-2px)}
.dl-icon{
  width:50px;height:58px;border:1px solid var(--line);background:var(--ivory);
  display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;letter-spacing:.1em;color:var(--brass);
}
.dl-main h3{font-size:17px;font-weight:600;line-height:1.45;letter-spacing:-.01em;margin-bottom:5px}
.dl-main p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:8px}
.dl-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;color:var(--muted-2)}
.dl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:42px;padding:0 20px;border:1px solid var(--navy);border-radius:var(--r);
  background:var(--navy);color:#fff;font-size:13px;font-weight:600;
  white-space:nowrap;transition:all .22s ease;
}
.dl-btn:hover{background:var(--brand);border-color:var(--brand)}
.dl-lock{border-color:var(--line-2);background:transparent;color:var(--muted)}
.dl-lock:hover{border-color:var(--brass);background:transparent;color:var(--brass)}
.dl-none{font-size:12px;color:var(--muted-2)}

.dl-page{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:32px;font-size:13px}
.dl-page a,.dl-page span{min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:var(--muted);transition:all .2s}
.dl-page a:hover{border-color:var(--navy);color:var(--navy)}
.dl-page .cur{border-color:var(--navy);background:var(--navy);color:#fff}
.dl-empty{padding:56px 20px;text-align:center;background:#fff;border:1px solid var(--line);color:var(--muted)}
.dl-empty b{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}

/* ---------- 会员中心 ---------- */
.uc-wrap{padding:clamp(32px,4.6vw,58px) 0}
.uc-grid{display:grid;grid-template-columns:320px 1fr;gap:24px;align-items:start}
.uc-profile{background:var(--navy);color:#fff;padding:30px 28px;position:relative;overflow:hidden}
.uc-profile::after{content:"";position:absolute;right:-70px;bottom:-70px;width:200px;height:200px;border:1px solid rgba(201,168,118,.2);border-radius:50%}
.uc-avatar{width:62px;height:62px;border-radius:50%;background:var(--brass);color:#fff;display:flex;align-items:center;justify-content:center;font-size:23px;font-weight:600;margin-bottom:16px;position:relative;z-index:1}
.uc-profile h2{font-size:20px;font-weight:600;letter-spacing:-.01em;position:relative;z-index:1}
.uc-badge{display:inline-block;margin-top:9px;padding:3px 11px;border:1px solid rgba(201,168,118,.45);color:var(--brass-2);font-size:11px;letter-spacing:.12em;position:relative;z-index:1}
.uc-rows{margin-top:22px;border-top:1px solid rgba(255,255,255,.13);position:relative;z-index:1}
.uc-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px}
.uc-row span{color:rgba(255,255,255,.55)}
.uc-row b{color:#fff;font-weight:500;text-align:right;word-break:break-all}
.uc-logout{display:inline-flex;margin-top:20px;font-size:13px;color:rgba(255,255,255,.7);border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:2px;position:relative;z-index:1}
.uc-logout:hover{color:#fff}

.uc-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.uc-card{display:block;background:#fff;border:1px solid var(--line);padding:24px 22px;transition:border-color .25s,box-shadow .25s,transform .25s}
.uc-card:hover{border-color:rgba(11,79,196,.32);box-shadow:0 20px 42px -30px rgba(10,37,64,.38);transform:translateY(-2px)}
.uc-card .kicker{font-size:10px;letter-spacing:.2em;color:var(--brass);text-transform:uppercase;font-weight:600}
.uc-card h3{font-size:17px;font-weight:600;margin:8px 0 6px}
.uc-card p{font-size:13px;color:var(--muted);line-height:1.7}
.uc-tip{margin-top:18px;padding:16px 18px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.8}
.uc-tip b{color:var(--ink)}

/* ---------- 资料修改 ---------- */
.form-card{background:#fff;border:1px solid var(--line);padding:clamp(26px,3.4vw,42px);max-width:760px}
.form-card h2{font-size:24px;font-weight:600;letter-spacing:-.01em;margin-bottom:6px}
.form-card .sub{font-size:13px;color:var(--muted);margin-bottom:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.form-grid .full{grid-column:1/-1}
.form-section{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--brass);font-weight:600;margin:26px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.form-section:first-of-type{margin-top:0}
.form-actions{display:flex;align-items:center;gap:14px;margin-top:26px;flex-wrap:wrap}
.form-actions .link{font-size:13px;color:var(--muted)}
.form-actions .link:hover{color:var(--navy)}

/* ---------- 提示/联系页 ---------- */
.simple-card{background:#fff;border:1px solid var(--line);padding:clamp(28px,4vw,48px);max-width:720px;margin:0 auto}
.simple-card h1{font-size:26px;font-weight:600;margin-bottom:12px}
.simple-card p{font-size:14px;color:var(--muted);line-height:1.9;margin-bottom:12px}
.simple-card .contact-line{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
.simple-card .contact-line b{min-width:64px;color:var(--ink);font-weight:600}
.simple-card .act{margin-top:26px}

/* ---------- 页脚 ---------- */
.m-footer{background:#080C11;color:rgba(255,255,255,.62);padding:46px 0 0;margin-top:clamp(40px,6vw,80px)}
.m-foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.m-footer .f-logo img{height:40px;width:auto;filter:brightness(0) invert(1);opacity:.92;margin-bottom:16px}
.m-footer p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.5);max-width:360px}
.m-footer h5{color:#fff;font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;margin-bottom:16px}
.m-footer a{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:9px;transition:color .2s}
.m-footer a:hover{color:#fff}
.m-foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;font-size:12px;color:rgba(255,255,255,.36)}
.m-foot-bottom a{display:inline;margin:0;color:rgba(255,255,255,.36)}
.m-foot-bottom a:hover{color:rgba(255,255,255,.7)}

/* ---------- 动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.3,1)}
[data-reveal].in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

/* ---------- 响应式 ---------- */
@media(max-width:1080px){
  .m-nav{display:none}
  .auth{grid-template-columns:1fr}
  .auth-visual{min-height:300px}
  .uc-grid{grid-template-columns:1fr}
  .uc-profile{display:grid;grid-template-columns:auto 1fr;gap:0 20px;align-items:center}
  .uc-avatar{margin-bottom:0}
  .uc-profile h2{align-self:end}
  .uc-badge{align-self:start;justify-self:start;margin-top:4px}
  .uc-rows{grid-column:1/-1}
  .m-foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .m-topbar .m-wrap{justify-content:center}
  .m-topbar .m-wrap>span:first-child{display:none}
  .m-header .m-wrap{height:70px}
  .m-logo img{height:38px}
  .m-phone{display:none}
  .m-head-right .m-btn{height:38px;padding:0 14px;font-size:13px}
  .auth{margin:20px 0;min-height:0}
  .auth-form{padding:26px 20px}
  .auth-visual{min-height:240px;padding:28px 20px}
  .dl-wrap{padding:26px 0}
  .dl-item{grid-template-columns:1fr;gap:14px;padding:18px}
  .dl-icon{width:44px;height:50px}
  .dl-btn{width:100%}
  .dl-locked,.dl-signed{flex-direction:column;align-items:flex-start}
  .uc-actions,.form-grid{grid-template-columns:1fr}
  .uc-profile{grid-template-columns:auto 1fr}
  .m-foot-grid{grid-template-columns:1fr;gap:26px}
  .page-hero .hero-meta{flex-direction:column;gap:8px}
}

/* ---------- 会员中心内的资料下载区块 ---------- */
.dl-block{padding:clamp(30px,4.4vw,54px) 0;border-bottom:1px solid var(--line)}
.dl-block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap;margin-bottom:20px}
.dl-block-head h2{font-size:clamp(20px,2.3vw,26px);letter-spacing:-.02em;margin:8px 0 6px;color:var(--ink);font-weight:600}
.dl-block-head p{font-size:13.5px;color:var(--muted);line-height:1.7}
.dl-all{font-size:13px;font-weight:600;color:var(--navy);border-bottom:1px solid var(--brass);padding-bottom:3px;white-space:nowrap;transition:color .2s}
.dl-all:hover{color:var(--brand)}
.dl-note{display:none}
.dl-list:not(:has(.dl-item)) + .dl-note{
  display:block;padding:24px 22px;background:#fff;
  border:1px dashed var(--line-2);font-size:13px;color:var(--muted);line-height:1.7;
}
@media(max-width:680px){
  .dl-block-head{flex-direction:column;align-items:flex-start;gap:14px}
  .dl-block .dl-item{grid-template-columns:1fr;gap:14px;padding:18px}
  .dl-block .dl-icon{display:none}
  .dl-block .dl-btn{width:100%}
}