/* ==========================================================================
   STELLAR UI — 设计系统 v1
   深色玻璃拟态 + 内联 SVG 图标 + 桌面端自适应外壳
   保留全部既有 id / class 钩子，JS 无需改动
   ========================================================================== */

:root{
  --bg:#07090f;
  --bg-elev:#0d1119;
  --card:rgba(255,255,255,.045);
  --card-solid:#111722;
  --card-hover:rgba(255,255,255,.075);
  --glass:rgba(18,24,36,.72);
  --glass-strong:rgba(14,19,29,.92);

  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);

  --text:#eef2f8;
  --text_sec:#8d99ad;
  --text_third:#5c6779;

  --primary:#5b8cff;
  --primary-deep:#3358d4;
  --primary-soft:rgba(91,140,255,.14);
  --accent:#22d3ee;
  --success:#34d399;
  --danger:#fb7185;
  --warning:#fbbf24;
  --orange:#fb923c;
  --purple:#a78bfa;
  --gold:#e8c47a;

  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --shadow-lg:0 24px 64px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(91,140,255,.35), 0 8px 32px rgba(91,140,255,.22);

  --r-sm:10px;
  --r:14px;
  --r-lg:20px;
  --r-xl:28px;
  --nav-h:64px;
  --shell-max:1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:15px;
  line-height:1.55;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  letter-spacing:-.01em;
  overflow:hidden;
}

body::before{
  content:'';
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(91,140,255,.16), transparent 62%),
    radial-gradient(760px 460px at 88% 6%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(680px 420px at 50% 108%, rgba(167,139,250,.09), transparent 62%);
}

button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:var(--primary);text-decoration:none}
img{max-width:100%;display:block}
[onclick]{touch-action:manipulation}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
button:disabled{opacity:.45;cursor:not-allowed}
::selection{background:rgba(91,140,255,.35)}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.13);border-radius:99px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.22);background-clip:content-box}

/* ==========================================================================
   页面容器
   ========================================================================== */
.page{
  position:fixed;
  inset:0;
  display:none;
  flex-direction:column;
  z-index:1;
  overflow:hidden;
}
.page.active{display:flex}
.hidden{display:none !important}
.page > *{width:100%}

/* ==========================================================================
   启动页
   ========================================================================== */
.splash-page{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:32px;
}
.splash-icon-wrap{
  width:104px;height:104px;
  border-radius:28px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--primary) 0%,var(--primary-deep) 55%,#1e2b52 100%);
  box-shadow:0 24px 60px rgba(91,140,255,.36), inset 0 1px 0 rgba(255,255,255,.28);
  margin-bottom:26px;
  position:relative;
  overflow:hidden;
}
.splash-icon-wrap::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(255,255,255,.35),transparent 55%);
  mix-blend-mode:overlay;
}
.splash-icon-img{width:66px;height:66px;object-fit:cover;border-radius:17px;position:relative;z-index:1}
.splash-name{font-size:26px;font-weight:700;letter-spacing:.06em}
.splash-ver{font-size:12px;color:var(--text_third);margin-top:6px;letter-spacing:.1em;text-transform:uppercase}
.splash-loading{width:min(240px,72vw);margin-top:38px}
.splash-loading-bar{height:3px;background:rgba(255,255,255,.08);border-radius:99px;overflow:hidden}
.splash-loading-fill{
  height:100%;width:0;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:99px;
  transition:width .4s cubic-bezier(.4,0,.2,1);
}
.splash-loading-text{margin-top:12px;text-align:center;font-size:12px;color:var(--text_sec)}

/* ==========================================================================
   登录 / 注册
   ========================================================================== */
.login-page{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:32px 24px calc(32px + env(safe-area-inset-bottom));
  overflow-y:auto;
}
.login-page > *{width:100%;max-width:400px}

.login-logo{
  width:76px;height:76px;
  margin:0 auto 22px;
  border-radius:22px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(91,140,255,.28),rgba(34,211,238,.12));
  border:1px solid var(--line-strong);
  box-shadow:var(--glow);
  backdrop-filter:blur(12px);
}
.login-logo-img{width:52px;height:52px;object-fit:cover;border-radius:13px}

.login-title{
  font-size:30px;
  font-weight:700;
  text-align:center;
  letter-spacing:-.03em;
  line-height:1.2;
}
.login-subtitle{
  text-align:center;
  color:var(--text_sec);
  font-size:14px;
  margin:10px 0 30px;
}

.login-tabs{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:4px;
  padding:4px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  border-radius:var(--r);
  margin-bottom:26px;
}
.login-tab{
  text-align:center;
  padding:11px 8px;
  font-size:14px;
  font-weight:600;
  color:var(--text_sec);
  border-radius:calc(var(--r) - 4px);
  transition:color .18s, background .18s, box-shadow .18s;
  user-select:none;
}
.login-tab.active{
  background:linear-gradient(180deg,rgba(91,140,255,.95),rgba(51,88,212,.95));
  color:#fff;
  box-shadow:0 4px 14px rgba(51,88,212,.42);
}
.login-tab:hover:not(.active){color:var(--text)}

.input-group{margin-bottom:18px}
.input-label{
  font-size:12px;
  font-weight:600;
  color:var(--text_sec);
  margin-bottom:8px;
  letter-spacing:.02em;
  display:block;
}
.input,
.func-input-field,
.register-input-card input{
  width:100%;
  min-height:50px;
  padding:13px 15px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r);
  color:var(--text);
  font-size:15px;
  transition:border-color .18s, background .18s, box-shadow .18s;
  appearance:none;
}
.input::placeholder{color:var(--text_third)}
.input:hover{border-color:var(--line-strong)}
.input:focus,
.func-input-field:focus{
  outline:0;
  border-color:rgba(91,140,255,.65);
  background:rgba(91,140,255,.06);
  box-shadow:0 0 0 3px rgba(91,140,255,.14);
}
select.input{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238d99ad' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:40px;
}
select.input option{background:var(--card-solid);color:var(--text)}

/* ==========================================================================
   按钮
   ========================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 20px;
  border-radius:var(--r);
  font-size:15px;
  font-weight:600;
  letter-spacing:-.01em;
  border:1px solid transparent;
  transition:transform .12s, background .18s, box-shadow .18s, border-color .18s;
  white-space:nowrap;
  user-select:none;
}
.btn:active:not(:disabled){transform:scale(.975)}
.btn-block{width:100%;flex:1}
.btn-lg{min-height:52px;font-size:16px}
.btn-sm{min-height:38px;padding:8px 14px;font-size:13.5px;border-radius:var(--r-sm)}

.btn-primary,
.register-btn{
  background:linear-gradient(180deg,#6b9aff,#3f68e0);
  color:#fff;
  box-shadow:0 6px 20px rgba(63,104,224,.38), inset 0 1px 0 rgba(255,255,255,.24);
}
.btn-primary:hover:not(:disabled),
.register-btn:hover:not(:disabled){background:linear-gradient(180deg,#7ba6ff,#4a73ea);box-shadow:0 8px 26px rgba(63,104,224,.48)}

.btn-success{background:linear-gradient(180deg,#3ddc9a,#16a97a);color:#04150f;box-shadow:0 6px 18px rgba(22,169,122,.32);font-weight:700}
.btn-success:hover:not(:disabled){background:linear-gradient(180deg,#4ae8a6,#1cbb87)}
.btn-warning{background:linear-gradient(180deg,#fcc94f,#e0a015);color:#1a1200;font-weight:700;box-shadow:0 6px 18px rgba(224,160,21,.28)}
.btn-danger{background:linear-gradient(180deg,#ff8598,#e34a63);color:#fff;box-shadow:0 6px 18px rgba(227,74,99,.3)}
.btn-ghost{background:rgba(255,255,255,.055);color:var(--text);border-color:var(--line)}
.btn-ghost:hover:not(:disabled){background:rgba(255,255,255,.09)}
.btn-outline{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-outline:hover:not(:disabled){background:rgba(255,255,255,.05);border-color:rgba(91,140,255,.5)}

.flex{display:flex}
.gap-8{gap:8px}

/* ==========================================================================
   注册向导
   ========================================================================== */
.register-page{
  flex:1;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.register-bg-deco{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;opacity:.5}
.register-bg-deco.a{width:420px;height:420px;background:rgba(91,140,255,.30);top:-140px;left:-120px}
.register-bg-deco.b{width:360px;height:360px;background:rgba(34,211,238,.20);bottom:-120px;right:-100px}
.register-bg-deco.c{width:260px;height:260px;background:rgba(167,139,250,.18);top:38%;left:52%}

.register-content{
  position:relative;
  z-index:1;
  width:100%;
  max-width:440px;
}
.register-step-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}
.register-back-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
  font-size:17px;
  transition:background .18s, transform .12s;
}
.register-back-btn:hover{background:rgba(255,255,255,.11)}
.register-back-btn:active{transform:scale(.94)}
.register-step-badge{
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--text_sec);
  padding:6px 13px;
  border-radius:99px;
  background:rgba(255,255,255,.055);
  border:1px solid var(--line);
}
.register-step-title{font-size:29px;font-weight:700;letter-spacing:-.03em;line-height:1.2}
.register-step-desc{color:var(--text_sec);font-size:14px;margin-top:9px;margin-bottom:22px}
.register-progress{height:3px;background:rgba(255,255,255,.07);border-radius:99px;overflow:hidden;margin-bottom:28px}
.register-progress-fill{
  height:100%;width:20%;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:99px;
  transition:width .35s cubic-bezier(.4,0,.2,1);
}
.register-input-wrap{margin-bottom:8px}
.register-input-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r);
  transition:border-color .18s, box-shadow .18s, background .18s;
}
.register-input-card:focus-within{
  border-color:rgba(91,140,255,.65);
  background:rgba(91,140,255,.06);
  box-shadow:0 0 0 3px rgba(91,140,255,.14);
}
.register-input-card input{
  border:0;background:transparent;min-height:56px;font-size:17px;font-weight:500;
  padding:15px 17px;
}
.register-input-card input:focus{outline:0;box-shadow:none;background:transparent}
.register-status{display:flex;align-items:center;gap:8px;font-size:13px;margin-top:10px;padding-left:2px}
.register-status.ok{color:var(--success)}
.register-status.err{color:var(--danger)}
.register-hint{font-size:12.5px;color:var(--text_third);margin-top:10px;padding-left:2px;line-height:1.5}
.register-strength{margin-top:12px}
.register-strength-bars{display:flex;gap:6px}
.register-strength-bar{height:4px;flex:1;border-radius:99px;background:rgba(255,255,255,.08);transition:background .25s}
.register-strength-bar.on-weak{background:var(--danger)}
.register-strength-bar.on-mid{background:var(--warning)}
.register-strength-bar.on-strong{background:var(--success)}
.register-email-row{display:flex;gap:10px;margin-top:12px;align-items:stretch}
.register-email-row .register-input-card{flex:1}
.register-email-row .btn{flex-shrink:0;min-width:112px}
.register-avatar-area{
  width:132px;height:132px;
  margin:6px auto 0;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.04);
  border:2px dashed var(--line-strong);
  overflow:hidden;
  position:relative;
  cursor:pointer;
  transition:border-color .18s, background .18s;
}
.register-avatar-area:hover{border-color:rgba(91,140,255,.6);background:rgba(91,140,255,.07)}
.camera-icon{position:absolute;right:4px;bottom:4px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:#fff;font-size:16px;font-weight:700;box-shadow:0 4px 12px rgba(0,0,0,.4)}
.register-btn-wrap{margin-top:30px}
.register-btn{width:100%;min-height:54px;font-size:16.5px;border-radius:var(--r)}

/* ==========================================================================
   主容器 / 导航
   ========================================================================== */
.main-container{
  flex:1;
  display:flex;
  flex-direction:column;
  min-height:0;
  position:relative;
  width:100%;
}
.main-page{display:none;flex:1;min-height:0;flex-direction:column}
.main-page.active{display:flex}
.page-scroll{
  flex:1;
  overflow-y:auto;
  overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  padding-bottom:calc(var(--nav-h) + 18px);
}

.bottom-nav{
  position:absolute;
  left:0;right:0;bottom:0;
  height:var(--nav-h);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  align-items:center;
  padding:0 8px calc(env(safe-area-inset-bottom) * .6);
  background:var(--glass);
  backdrop-filter:blur(22px) saturate(160%);
  -webkit-backdrop-filter:blur(22px) saturate(160%);
  border-top:1px solid var(--line);
  z-index:20;
}
.nav-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  height:100%;
  color:var(--text_third);
  font-size:11px;
  font-weight:600;
  letter-spacing:.01em;
  position:relative;
  transition:color .18s;
  user-select:none;
  border-radius:var(--r-sm);
}
/* JS 用两个 .nav-label 做「未激活/激活」切换，这里把它们叠在同一格，避免出现两行字 */
.nav-item{display:grid;grid-template-rows:auto auto;justify-items:center;align-content:center;row-gap:4px}
.nav-item svg{grid-row:1}
.nav-item .nav-label{
  grid-row:2;
  grid-column:1;
  font-size:11px !important;
  font-weight:600 !important;
  line-height:1.1 !important;
  color:inherit !important;
  white-space:nowrap;
}
.nav-item .nav-label:first-child{display:block !important;color:inherit !important}
.nav-item .nav-label:last-child{display:none}
.nav-item.active .nav-label:first-child{display:none !important}
.nav-item.active .nav-label:last-child{display:block !important;color:var(--primary) !important}
.nav-item.active{color:var(--primary)}
.nav-item svg{width:23px;height:23px;stroke-width:1.9}
.nav-item.active svg{filter:drop-shadow(0 0 10px rgba(91,140,255,.55))}
.nav-item.active::before{
  content:'';
  position:absolute;
  top:6px;
  width:34px;height:34px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,140,255,.28),transparent 70%);
  z-index:-1;
}
.nav-badge{
  position:absolute;
  top:9px;
  left:calc(50% + 7px);
  min-width:17px;height:17px;
  padding:0 5px;
  border-radius:99px;
  background:var(--danger);
  color:#fff;
  font-size:10.5px;
  font-weight:700;
  display:grid;place-items:center;
  line-height:1;
  box-shadow:0 2px 8px rgba(251,113,133,.5);
}

.navbar{
  height:54px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  background:var(--glass-strong);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
  flex-shrink:0;
  z-index:10;
}
.navbar-back{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:36px;
  padding:0 12px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.055);
  border:1px solid var(--line);
  color:var(--text);
  font-size:13.5px;
  font-weight:600;
  transition:background .18s;
}
.navbar-back:hover{background:rgba(255,255,255,.1)}
.navbar-title{font-size:16px;font-weight:700;letter-spacing:-.01em}

/* ==========================================================================
   卡片 / 列表
   ========================================================================== */
.card,
.member-card,
.func-input-card,
.func-result-card,
.forum-post{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.member-card{margin:0 16px 14px;padding:18px}
.card-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  margin:0 16px 10px;
}

/* ==========================================================================
   功能网格
   ========================================================================== */
.func-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(104px,1fr));
  gap:11px;
  margin-top:14px;
}
.func-btn{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:20px 10px 16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  transition:transform .16s cubic-bezier(.4,0,.2,1), background .18s, border-color .18s, box-shadow .18s;
  position:relative;
  overflow:hidden;
  cursor:pointer;
}
.func-btn::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(91,140,255,.16),transparent 55%);
  opacity:0;
  transition:opacity .2s;
}
.func-btn:hover{transform:translateY(-2px);border-color:rgba(91,140,255,.35);box-shadow:0 12px 30px rgba(0,0,0,.35)}
.func-btn:hover::after{opacity:1}
.func-btn:active{transform:scale(.975)}
.func-btn-icon{
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(91,140,255,.13);
  color:var(--primary);
  font-size:0;
  position:relative;
  z-index:1;
}
.func-btn-icon svg{width:23px;height:23px;stroke-width:1.9}
.func-btn-name{
  font-size:13px;
  font-weight:600;
  color:var(--text);
  text-align:center;
  line-height:1.3;
  position:relative;
  z-index:1;
}
.func-btn-desc{font-size:11px;color:var(--text_third);text-align:center;position:relative;z-index:1}

.platform-tabs{
  display:flex;
  gap:6px;
  padding:4px !important;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r);
  margin:0 16px !important;
}
.platform-tab{
  flex:1;
  text-align:center;
  padding:10px 6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--text_sec);
  border-radius:calc(var(--r) - 5px);
  transition:background .18s, color .18s;
  user-select:none;
}
.platform-tab.active{
  background:rgba(91,140,255,.18);
  color:var(--primary);
  box-shadow:inset 0 0 0 1px rgba(91,140,255,.32);
}
.platform-tab:hover:not(.active){color:var(--text)}

.bind-status-bar{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  margin-bottom:12px;
}
.bind-action-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 13px;
  border-radius:99px;
  font-size:12.5px;
  font-weight:600;
  white-space:nowrap;
  cursor:pointer;
  transition:filter .18s, transform .12s;
}
.bind-action-btn:hover{filter:brightness(1.12)}
.bind-action-btn:active{transform:scale(.96)}

.func-detail-title{font-size:18px !important;font-weight:700 !important;letter-spacing:-.02em}
.func-input-card{padding:16px;margin-bottom:14px}
.func-input-field{margin-bottom:10px}
.func-run-btn{
  width:100%;
  min-height:52px;
  border-radius:var(--r);
  background:linear-gradient(180deg,#6b9aff,#3f68e0);
  color:#fff;
  font-size:16px;
  font-weight:700;
  box-shadow:0 8px 24px rgba(63,104,224,.4);
  transition:transform .12s, box-shadow .18s;
  margin-bottom:14px;
}
.func-run-btn:hover{box-shadow:0 10px 30px rgba(63,104,224,.52)}
.func-run-btn:active{transform:scale(.98)}
.func-result-card{padding:14px;margin-bottom:12px}
.func-result-item{
  display:flex;gap:10px;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:13.5px;
  line-height:1.5;
}
.func-result-item:last-child{border-bottom:0}
.func-option-row{display:flex;flex-wrap:wrap;gap:8px}
.func-option-btn{
  padding:9px 16px;
  border-radius:99px;
  background:var(--card);
  border:1px solid var(--line);
  font-size:13.5px;
  font-weight:600;
  color:var(--text_sec);
  transition:all .18s;
  cursor:pointer;
}
.func-option-btn.active{
  background:rgba(91,140,255,.16);
  border-color:rgba(91,140,255,.45);
  color:var(--primary);
}

/* ==========================================================================
   论坛
   ========================================================================== */
.forum-scroll{padding:10px 0 120px}
.forum-post{margin:0 16px 12px;padding:16px}
.forum-input-bar{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 12px calc(10px + env(safe-area-inset-bottom) * .5);
  background:var(--glass);
  backdrop-filter:blur(22px);
  border-top:1px solid var(--line);
  position:absolute;
  left:0;right:0;bottom:var(--nav-h);
  z-index:15;
}
.forum-input-bar input{
  flex:1;min-width:0;
  min-height:42px;
  padding:10px 14px;
  border-radius:99px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14px;
}
.forum-input-bar input::placeholder{color:var(--text_third)}
.forum-input-bar input:focus{outline:0;border-color:rgba(91,140,255,.55);background:rgba(91,140,255,.07)}
.forum-reply-bar{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 16px;
  background:rgba(91,140,255,.12);
  border-top:1px solid rgba(91,140,255,.25);
  font-size:12.5px;
  position:absolute;left:0;right:0;bottom:calc(var(--nav-h) + 62px);z-index:15;
}
.forum-reply-bar.show{display:flex}
.forum-emoji-panel{
  position:absolute;
  left:0;right:0;bottom:calc(var(--nav-h) + 62px);
  max-height:230px;
  overflow-y:auto;
  background:var(--glass-strong);
  backdrop-filter:blur(20px);
  border-top:1px solid var(--line);
  padding:12px;
  z-index:14;
  grid-template-columns:repeat(auto-fill,minmax(42px,1fr));
  gap:6px;
}
.forum-upload-preview{
  position:absolute;
  left:0;right:0;
  bottom:calc(var(--nav-h) + 62px);
  padding:12px 16px;
  background:var(--glass-strong);
  border-top:1px solid var(--line);
  z-index:14;
}
.post-images{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.post-images img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--r-sm)}

/* ==========================================================================
   我的
   ========================================================================== */
.profile-outer{padding:16px}
.profile-card{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  background:linear-gradient(155deg,#16203a 0%,#0d1424 58%,#0a0f1a 100%);
  border:1px solid rgba(232,196,122,.22);
  box-shadow:0 20px 50px rgba(0,0,0,.5);
  min-height:186px;
}
.profile-bg{position:absolute;inset:0;overflow:hidden}
.profile-bg-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,26,.1) 0%,rgba(10,15,26,.82) 72%);
}
.checkin-btn-card{
  position:absolute;
  top:14px;right:14px;
  padding:7px 14px;
  border-radius:99px;
  background:rgba(232,196,122,.14);
  border:1px solid rgba(232,196,122,.4);
  color:var(--gold);
  font-size:12.5px;
  font-weight:700;
  backdrop-filter:blur(8px);
  cursor:pointer;
  transition:background .18s, transform .12s;
  z-index:2;
}
.checkin-btn-card:hover{background:rgba(232,196,122,.24)}
.checkin-btn-card:active{transform:scale(.95)}
.checkin-btn-card.done{opacity:.55;pointer-events:none}
.profile-info-area{
  position:relative;
  z-index:2;
  display:flex;
  align-items:flex-end;
  gap:14px;
  padding:18px;
  min-height:186px;
}
.profile-avatar-wrap{flex-shrink:0}
.profile-avatar-circle{
  width:64px;height:64px;
  border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(91,140,255,.9),rgba(51,88,212,.9));
  border:2px solid rgba(255,255,255,.22);
  box-shadow:0 8px 24px rgba(0,0,0,.45);
  overflow:hidden;
}
.profile-detail{flex:1;min-width:0;padding-bottom:3px}
.profile-username{font-size:19px;font-weight:700;letter-spacing:-.02em;color:#fff;line-height:1.25}
.profile-email{font-size:12px;color:rgba(255,255,255,.55);margin-top:3px;word-break:break-all}
.profile-meta-row{display:flex;align-items:center;gap:8px;margin-top:9px;flex-wrap:wrap}
.level-badge{
  padding:3px 10px;
  border-radius:99px;
  font-size:11px;
  font-weight:700;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.9);
}
.level-badge.vip{background:rgba(232,196,122,.18);border-color:rgba(232,196,122,.45);color:var(--gold)}
.vip-crown{font-size:15px;line-height:1}
.profile-points{font-size:11.5px;color:rgba(255,255,255,.6)}
.profile-expire{font-size:11px;color:rgba(255,255,255,.45);margin-top:5px}

.service-btn{
  flex:1;
  padding:14px 8px;
  text-align:center;
  border-radius:var(--r);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  cursor:pointer;
  transition:background .18s, border-color .18s;
}
.service-btn:hover{background:rgba(255,255,255,.09);border-color:var(--line-strong)}
.logout-btn{
  margin:6px 16px 0;
  padding:15px;
  text-align:center;
  border-radius:var(--r);
  background:rgba(251,113,133,.08);
  border:1px solid rgba(251,113,133,.25);
  cursor:pointer;
  transition:background .18s;
}
.logout-btn:hover{background:rgba(251,113,133,.14)}
.music-platforms{display:flex;gap:8px;flex-wrap:wrap}
.arrow{color:var(--text_sec);font-size:13px;transition:transform .2s}
.music-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer}

/* ==========================================================================
   Toast / Loading / 弹窗
   ========================================================================== */
.toast{
  position:fixed;
  left:50%;
  bottom:calc(var(--nav-h) + 26px);
  transform:translate(-50%,16px);
  max-width:min(420px,86vw);
  padding:12px 20px;
  border-radius:99px;
  background:var(--glass-strong);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(20px);
  color:var(--text);
  font-size:13.5px;
  font-weight:600;
  box-shadow:var(--shadow);
  opacity:0;
  pointer-events:none;
  transition:opacity .22s, transform .22s;
  z-index:9999;
  text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.success{border-color:rgba(52,211,153,.45);color:#a7f3d0}
.toast.error{border-color:rgba(251,113,133,.45);color:#fecdd3}

.loading-overlay{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  background:rgba(5,8,14,.72);
  backdrop-filter:blur(6px);
  z-index:9998;
}
.loading-overlay.show{display:flex}
.loading-card{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:30px 38px;
  border-radius:var(--r-lg);
  background:var(--glass-strong);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-lg);
  font-size:13.5px;
  color:var(--text_sec);
}
.loading-spinner{
  width:34px;height:34px;
  border-radius:50%;
  border:2.5px solid rgba(91,140,255,.2);
  border-top-color:var(--primary);
  animation:spin .75s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.modal-overlay{
  position:fixed;
  inset:0;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(4,7,12,.78);
  backdrop-filter:blur(8px);
  z-index:9997;
}
.modal-overlay.show{display:flex}
.modal-card{
  width:100%;
  max-width:380px;
  background:var(--card-solid);
  border:1px solid var(--line-strong);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);
  overflow:hidden;
}
.modal-btns{display:flex;gap:10px}
.modal-btns .btn{flex:1}
.update-banner{padding:26px 20px 18px;text-align:center;background:linear-gradient(160deg,rgba(91,140,255,.18),transparent 70%);border-bottom:1px solid var(--line)}
.update-icon{width:62px;height:62px;margin:0 auto 14px;border-radius:18px;overflow:hidden;box-shadow:var(--glow)}
.update-version{font-size:18px;font-weight:700}
.update-ver-detail{font-size:12.5px;color:var(--text_sec);margin-top:4px}
.update-label{font-size:11.5px;font-weight:700;color:var(--text_sec);letter-spacing:.06em;text-transform:uppercase;margin:18px 0 8px}
.update-desc{font-size:13.5px;color:var(--text_sec);line-height:1.65;max-height:150px;overflow-y:auto;white-space:pre-wrap}
.update-progress{margin-top:16px}
.progress-bar{height:6px;background:rgba(255,255,255,.08);border-radius:99px;overflow:hidden}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:99px;transition:width .25s}
.progress-text{font-size:11.5px;color:var(--text_third);margin-top:7px;text-align:center}

.captcha-overlay{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  padding:24px;background:rgba(4,7,12,.8);backdrop-filter:blur(8px);z-index:9999;
}
.captcha-overlay.show{display:flex}
.captcha-dialog{
  width:100%;max-width:360px;padding:20px;
  background:var(--card-solid);border:1px solid var(--line-strong);
  border-radius:var(--r-xl);box-shadow:var(--shadow-lg);
}
.captcha-title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.captcha-title{font-size:15px;font-weight:700}
.captcha-refresh{font-size:12.5px;color:var(--primary);cursor:pointer;font-weight:600}
.captcha-frame{
  position:relative;width:100%;aspect-ratio:16/10;
  border-radius:var(--r);overflow:hidden;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.captcha-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.captcha-piece{position:absolute;top:0;left:0;height:100%;width:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.6))}
.captcha-slider-row{margin-top:16px}
.captcha-slider-track{position:relative;height:48px;border-radius:var(--r);background:rgba(255,255,255,.055);border:1px solid var(--line);overflow:hidden}
.captcha-slider-fill{position:absolute;left:0;top:0;height:100%;width:0;background:rgba(91,140,255,.2)}
.captcha-slider-btn{
  position:absolute;left:0;top:0;height:100%;width:48px;
  display:grid;place-items:center;
  background:linear-gradient(180deg,#6b9aff,#3f68e0);
  border-radius:calc(var(--r) - 2px);
  color:#fff;font-size:17px;font-weight:700;
  cursor:grab;box-shadow:0 4px 14px rgba(63,104,224,.45);
}
.captcha-slider-btn:active{cursor:grabbing}
.captcha-status{font-size:12.5px;color:var(--text_sec);text-align:center;margin-top:12px;min-height:18px}
.captcha-status.ok{color:var(--success)}
.captcha-status.err{color:var(--danger)}
.captcha-cancel-btn{width:100%;margin-top:14px;padding:11px;border-radius:var(--r);background:rgba(255,255,255,.055);border:1px solid var(--line);color:var(--text_sec);font-size:14px;font-weight:600}

.bind-overlay{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  padding:24px;background:rgba(4,7,12,.8);backdrop-filter:blur(8px);z-index:9998;
}
.bind-overlay.show{display:flex}
.bind-dialog{
  width:100%;max-width:340px;padding:22px;
  background:var(--card-solid);border:1px solid var(--line-strong);
  border-radius:var(--r-xl);box-shadow:var(--shadow-lg);text-align:center;
}
.bind-dialog-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.bind-dialog-title{font-size:16px;font-weight:700}
.bind-dialog-close{font-size:22px;color:var(--text_sec);cursor:pointer;line-height:1;padding:0 4px}
.bind-qr-wrap{
  width:190px;height:190px;margin:0 auto 14px;
  border-radius:var(--r-lg);overflow:hidden;
  background:#fff;display:grid;place-items:center;
  box-shadow:0 8px 28px rgba(0,0,0,.4);
}
.bind-qr-wrap img{width:100%;height:100%;object-fit:contain}
.bind-qr-placeholder{font-size:12.5px;color:#5c6779;padding:12px;text-align:center}
.bind-status-text{font-size:13.5px;font-weight:600;color:var(--text_sec);margin-bottom:8px}
.bind-status-text.ok{color:var(--success)}
.bind-status-text.err{color:var(--danger)}
.bind-hint{font-size:12px;color:var(--text_third);line-height:1.6;margin-bottom:16px}
.bind-dialog-btns{display:flex;gap:10px}
.bind-dialog-btns .btn{flex:1}

.qr-wrap{
  width:min(240px,64vw);
  aspect-ratio:1;
  margin:24px auto 18px;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:#fff;
  display:grid;place-items:center;
  box-shadow:0 12px 36px rgba(0,0,0,.45);
}
.qr-wrap img{width:100%;height:100%;object-fit:contain}
.qr-placeholder{font-size:12.5px;color:#5c6779;padding:14px;text-align:center}
.status-text{font-size:14px;font-weight:600;color:var(--text_sec)}
.status-text.waiting{color:var(--warning)}
.status-text.ok{color:var(--success)}
.status-text.err{color:var(--danger)}

.stats-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:99px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:12.5px;color:var(--text_sec);
}
.stats-pill .count{font-weight:700}

.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.gallery-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--r-sm)}

.maintenance-page{flex:1;position:relative;display:grid;place-items:center;padding:24px}
.maint-blur{position:absolute;inset:0;background:radial-gradient(circle at 50% 40%,rgba(91,140,255,.16),transparent 60%)}
.maint-glass{
  position:relative;z-index:1;
  width:100%;max-width:380px;
  padding:38px 28px;text-align:center;
  border-radius:var(--r-xl);
  background:var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(24px);
  box-shadow:var(--shadow-lg);
}
.maint-ico{font-size:38px;margin-bottom:14px}
.maint-title{font-size:21px;font-weight:700;letter-spacing:-.02em}
.maint-sub{font-size:13.5px;color:var(--text_sec);margin-top:9px;line-height:1.6}
.maint-ring{
  width:52px;height:52px;margin:24px auto;
  border-radius:50%;
  border:2.5px solid rgba(91,140,255,.18);
  border-top-color:var(--primary);
  animation:spin 1.1s linear infinite;
}
.maint-hint{font-size:12px;color:var(--text_third)}
.maint-btn{
  width:100%;margin-top:22px;padding:13px;border-radius:var(--r);
  background:linear-gradient(180deg,#6b9aff,#3f68e0);color:#fff;
  font-size:14.5px;font-weight:700;
  box-shadow:0 8px 24px rgba(63,104,224,.4);
}

/* ==========================================================================
   桌面端 / 平板自适应
   ========================================================================== */
@media (min-width:768px){
  body{font-size:15.5px}

  .main-container{
    max-width:var(--shell-max);
    margin:0 auto;
    width:100%;
  }
  .page-scroll{padding-bottom:calc(var(--nav-h) + 26px)}

  .bottom-nav{
    left:50%;
    right:auto;
    transform:translateX(-50%);
    bottom:16px;
    width:min(560px,calc(100% - 48px));
    height:62px;
    border-radius:20px;
    border:1px solid var(--line-strong);
    box-shadow:0 16px 44px rgba(0,0,0,.55);
    padding:0 10px;
  }
  .nav-item{gap:5px}
  .nav-item svg{width:21px;height:21px}

  .login-page{
    display:grid;
    grid-template-columns:1fr 420px;
    max-width:1000px;
    margin:0 auto;
    align-items:center;
    padding:48px;
    gap:0 40px;
  }
  .login-page > *{max-width:none}
  .login-page > :not(:first-child){grid-column:2}
  .login-page::before{
    content:'STELLAR';
    grid-column:1;
    grid-row:1 / span 24;
    align-self:center;
    font-size:clamp(48px,7vw,92px);
    font-weight:800;
    letter-spacing:-.05em;
    line-height:.95;
    color:transparent;
    -webkit-text-stroke:1px rgba(255,255,255,.13);
    user-select:none;
    pointer-events:none;
  }

  .register-content{max-width:520px}
  .register-step-title{font-size:34px}

  .func-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
  .func-btn{padding:26px 14px 20px}
  .func-btn-icon{width:54px;height:54px;border-radius:17px}
  .func-btn-icon svg{width:26px;height:26px}

  .member-card{margin:0 24px 16px}
  .profile-outer{padding:24px}
  .forum-post{margin:0 24px 14px}
}

@media (min-width:1100px){
  .main-container{max-width:1180px}
  .func-grid{grid-template-columns:repeat(auto-fill,minmax(168px,1fr))}
}

@media (max-width:359px){
  :root{--nav-h:58px}
  .login-title{font-size:25px}
  .register-step-title{font-size:24px}
  .func-grid{grid-template-columns:repeat(2,1fr)}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ==========================================================================
   覆盖旧 style.css 的遗留规则（必须放在最后）
   ========================================================================== */

/* 旧版给 .btn-primary.btn-block 加了蓝绿流光渐变，压掉 */
.btn-primary.btn-block,
.btn-primary.btn-block:hover{
  background:linear-gradient(180deg,#6b9aff,#3f68e0) !important;
  background-size:100% 100% !important;
}
.btn-primary.btn-block:hover{box-shadow:0 8px 26px rgba(63,104,224,.48) !important;transform:none}

/* 旧版 .login-logo 是白底 + overflow:hidden，会把图标压成一个白点 */
.login-logo{
  background:linear-gradient(150deg,rgba(91,140,255,.28),rgba(34,211,238,.12)) !important;
  box-shadow:var(--glow) !important;
  border:1px solid var(--line-strong);
  overflow:visible;
}
.login-logo-img{
  width:52px !important;
  height:52px !important;
  border-radius:13px !important;
  object-fit:cover !important;
  box-shadow:0 8px 22px rgba(91,140,255,.35);
}

/* 启动页图标同理 */
.splash-icon-wrap{background:linear-gradient(150deg,#5b8cff 0%,#3358d4 55%,#1e2b52 100%) !important;overflow:hidden}
.splash-icon-img{width:66px !important;height:66px !important;border-radius:17px !important;object-fit:cover !important;box-shadow:0 10px 28px rgba(0,0,0,.35)}

/* 旧 loading 卡片是白底 */
.loading-card{background:var(--glass-strong) !important;border:1px solid var(--line-strong)}

/* 旧 .toast 白底 */
.toast{background:var(--glass-strong) !important;color:var(--text) !important}

/* 旧卡片阴影/白底 */
.card,.member-card,.func-input-card,.func-result-card,.forum-post{
  background:var(--card) !important;
  border-color:var(--line) !important;
}

/* 旧 .navbar 白底 */
.navbar{background:var(--glass-strong) !important;border-bottom-color:var(--line) !important}

/* 旧 .bottom-nav 白底 */
.bottom-nav{background:var(--glass) !important;border-top-color:var(--line) !important}

/* 旧 .input 白底 */
.input,.func-input-field{background:rgba(255,255,255,.04) !important;color:var(--text) !important}
.input::placeholder{color:var(--text_third) !important}

/* 旧 .profile-card 蓝色渐变，统一成深色 */
.profile-card{background:linear-gradient(155deg,#16203a 0%,#0d1424 58%,#0a0f1a 100%) !important}

/* 旧 .member-card 内文字颜色 */
.member-card{color:var(--text)}

/* 旧 .empty-state 浅色 */
.empty-state{background:rgba(255,255,255,.03) !important;border-color:var(--line) !important;color:var(--text_sec) !important}
/* 功能图标：JS 现在注入的是 SVG，去掉 font-size:0 并给图标上色 */
.func-btn-icon{
  font-size:0;
  color:inherit;
}
.func-btn-icon svg{
  width:23px;height:23px;
  stroke:currentColor;
  fill:none;
  stroke-width:1.9;
  stroke-linecap:round;
  stroke-linejoin:round;
}
/* 平台标签：修掉旧 CSS 的白底，统一成深色胶囊 */
.platform-tab{
  background:transparent !important;
  color:var(--text_sec) !important;
  border:0;
}
.platform-tab.active{
  background:rgba(91,140,255,.18) !important;
  color:var(--primary) !important;
  box-shadow:inset 0 0 0 1px rgba(91,140,255,.32) !important;
}
/* 绑定状态条里的 ⚠ 换成文字色 */
.bind-status-bar span{color:inherit}
/* 「我的」页：干掉旧版金色渐变外框（1px 渐变 border 撑成了粗金边） */
.profile-outer{
  padding:16px !important;
  background:none !important;
  border-radius:0 !important;
}
.profile-card{
  border-radius:22px !important;
  border:1px solid rgba(232,196,122,.18) !important;
  box-shadow:0 18px 44px rgba(0,0,0,.5) !important;
}
/* 头像占位文字 */
.profile-avatar-circle span{
  font-size:15px !important;
  font-weight:600;
  letter-spacing:.02em;
}
/* 签到按钮 */
.checkin-btn-card{font-size:12px !important}
/* 音乐面板箭头 */
.arrow{font-size:11px !important;opacity:.6}
/* ==========================================================================
   移动端登录按钮被旧 CSS 的 height:100% / flex 拉伸成大方块 —— 强制约束
   ========================================================================== */
.login-page .btn,
.login-page .btn-primary,
.login-page .btn-block,
.login-page .btn-lg{
  flex:0 0 auto !important;
  width:100% !important;
  height:52px !important;
  min-height:52px !important;
  max-height:52px !important;
  display:flex !important;
  align-items:center;
  justify-content:center;
  line-height:1;
  padding:0 20px !important;
}
.login-page #code-area .btn,
.login-page #get-code-btn{
  width:auto !important;
  height:50px !important;
  min-height:50px !important;
  max-height:50px !important;
  flex:0 0 auto !important;
}
/* 登录页所有直接子元素不要被 grid/flex 拉伸 */
.login-page > *{align-self:center}