/* ════════════════════════════════════════
   V8 — 编辑式重构（窄版 / 去豆腐块）
   ════════════════════════════════════════ */

/* ── TOKENS ── */
:root{
  --bg-deep:#070b14;
  --bg-surface:#0d1424;
  --bg-card:rgba(255,255,255,.03);
  --bg-glass:rgba(255,255,255,.05);
  --border-subtle:rgba(255,255,255,.07);
  --border-strong:rgba(255,255,255,.14);
  --blue-core:#0A4FB8;
  --blue-light:#3B82F6;
  --blue-glow:rgba(10,79,184,.35);
  --orange-core:#F57C00;
  --orange-light:#FB923C;
  --orange-glow:rgba(245,124,0,.3);
  --purple-core:#7C3AED;
  --red-core:#DC2626;
  --green-core:#10B981;
  --cyan-core:#06B6D4;
  --text-primary:#F1F5F9;
  --text-secondary:#94A3B8;
  --text-muted:#64748B;
  --radius-sm:10px;
  --radius-md:18px;
  --radius-lg:26px;
  --radius-xl:40px;
  --container:1180px;
  --font-sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono','SF Mono','Cascadia Code',monospace;
  --ease-out-exp:cubic-bezier(.16,1,.3,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
}

/* ── RESET & BASE ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;scrollbar-width:thin;scrollbar-color:var(--text-muted) transparent}
body{
  font-family:var(--font-sans);background:var(--bg-deep);color:var(--text-primary);
  overflow-x:hidden;line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}

/* ── NOISE OVERLAY ── */
body::before{
  content:'';position:fixed;inset:0;z-index:9999;pointer-events:none;
  opacity:.022;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat:repeat;background-size:256px 256px;
}

/* ════════════════════════════════════════
   NAV
   ════════════════════════════════════════ */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--container);margin:0 auto;padding:0 24px;height:72px;
  transition:all .45s var(--ease-out-exp);
  background:transparent;
}
.navbar.scrolled{
  background:rgba(7,11,20,.82);
  backdrop-filter:saturate(1.8) blur(24px);
  -webkit-backdrop-filter:saturate(1.8) blur(24px);
  border-bottom:1px solid var(--border-subtle);
}
.nav-brand{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-logo{
  height:40px;width:auto;object-fit:contain;
  filter:drop-shadow(0 0 12px var(--blue-glow));
  transition:transform .35s var(--ease-spring);
}
.nav-logo:hover{transform:scale(1.06) rotate(-2deg)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:5px;
  padding:8px 15px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;color:var(--text-secondary);
  transition:all .28s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--text-primary);background:var(--bg-glass)}
.nav-link.active{color:var(--blue-light);background:rgba(59,130,246,.08)}
.nav-caret{font-size:9px;transition:transform .25s}
.nav-item:hover .nav-caret{transform:rotate(180deg)}
.nav-cta{
  color:#fff!important;
  background:linear-gradient(135deg,var(--blue-core),var(--purple-core));
  box-shadow:0 4px 20px var(--blue-glow);
  border-radius:99px;
  padding:8px 18px;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px var(--blue-glow);background:linear-gradient(135deg,var(--blue-core),var(--purple-core))}
.nav-login:hover{color:#fff;background:linear-gradient(135deg,#1565C0,#0A4FB8)}

.nav-dropdown{
  position:absolute;top:calc(100% + 8px);left:50%;
  transform:translateX(-50%) translateY(6px);
  min-width:220px;padding:10px;
  border-radius:var(--radius-md);
  background:rgba(13,20,36,.96);
  backdrop-filter:blur(28px) saturate(1.8);
  -webkit-backdrop-filter:blur(28px) saturate(1.8);
  border:1px solid var(--border-strong);
  box-shadow:0 24px 60px rgba(0,0,0,.5);
  opacity:0;visibility:hidden;transition:all .3s var(--ease-out-exp);
}
.nav-dropdown::before{
  content:'';position:absolute;top:-6px;left:50%;transform:translateX(-50%) rotate(45deg);
  width:12px;height:12px;background:rgba(13,20,36,.96);
  border-left:1px solid var(--border-strong);border-top:1px solid var(--border-strong);
}
.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-dropdown a{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:var(--radius-sm);
  font-size:13.5px;color:var(--text-secondary);transition:all .2s;
}
.nav-dropdown a i{width:18px;text-align:center;color:var(--blue-light);font-size:13px}
.nav-dropdown a:hover{background:var(--bg-glass);color:var(--text-primary);padding-left:18px}

.menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:22px;cursor:pointer;padding:8px}

.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:6px}
/* 导航右侧 CTA 分组：与主导航留出间距并加分隔线 */
.nav-cta-group{display:flex;align-items:center;gap:10px;margin-left:16px;padding-left:16px;border-left:1px solid var(--border-strong)}
.nav-cta-group .nav-cta{margin-left:0}
.nav-cta + .nav-cta{margin-left:0}
.theme-toggle{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-sm);border:1px solid var(--border-strong);
  background:var(--bg-glass);color:var(--text-primary);cursor:pointer;
  font-size:15px;transition:all .25s ease;
}
.theme-toggle:hover{background:var(--bg-card);transform:translateY(-1px);border-color:var(--blue-light)}
html.light-mode .theme-toggle{background:rgba(255,255,255,.7);box-shadow:0 2px 10px rgba(15,27,45,.08)}

/* ════════════════════════════════════════
   HERO
   ════════════════════════════════════════ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  overflow:hidden;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(10,79,184,.15), transparent),
    radial-gradient(ellipse 60% 50% at 80% 60%, rgba(124,58,237,.1), transparent),
    linear-gradient(170deg, var(--bg-deep) 0%, #0a1020 50%, var(--bg-deep) 100%);
}
.hero-bg-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.3;filter:saturate(1.3) brightness(.7);z-index:0;
  animation:bgZoom 20s ease-in-out infinite alternate;
}
.hero-canvas{position:absolute;inset:0;z-index:1}
.hero-grid-overlay{
  position:absolute;inset:0;z-index:1;opacity:.4;
  background-image:linear-gradient(rgba(59,130,246,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(59,130,246,.06) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,#000,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,#000,transparent 80%);
}
.geo-shape{position:absolute;border-radius:50%;filter:blur(60px);z-index:1;opacity:.5;animation:floatY 12s ease-in-out infinite}
.geo-1{width:300px;height:300px;background:var(--blue-core);top:10%;left:8%}
.geo-2{width:260px;height:260px;background:var(--purple-core);bottom:12%;right:10%;animation-delay:3s}
.geo-3{width:200px;height:200px;background:var(--orange-core);top:55%;left:45%;animation-delay:6s;opacity:.3}

.hero-inner{
  position:relative;z-index:10;width:100%;max-width:var(--container);margin:0 auto;
  padding:0 40px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.hero-content{animation:fadeSlideUp 1s var(--ease-out-exp) both}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:99px;font-size:13px;font-weight:600;
  background:var(--bg-glass);border:1px solid var(--border-strong);
  color:var(--text-secondary);margin-bottom:26px;
}
.hero-badge i{color:var(--orange-light)}
.hero-title{
  font-size:clamp(38px,5vw,66px);font-weight:900;line-height:1.08;
  letter-spacing:-.03em;margin-bottom:26px;
}
.hero-title-line{display:block}
.hero-title-accent{
  background:linear-gradient(135deg,var(--blue-light),var(--cyan-core));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-desc{
  font-size:17px;color:var(--text-secondary);max-width:520px;
  line-height:1.8;margin-bottom:36px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:15px 32px;border-radius:99px;font-size:15px;font-weight:700;
  cursor:pointer;border:none;position:relative;overflow:hidden;transition:all .35s var(--ease-out-exp);
}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,var(--blue-core),var(--purple-core));
  box-shadow:0 10px 30px var(--blue-glow);
}
.btn-primary::before{
  content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);
  transition:left .55s ease;
}
.btn-primary:hover::before{left:100%}
.btn-primary:hover{transform:translateY(-3px)}
.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border-strong);backdrop-filter:blur(12px)}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);transform:translateY(-3px)}

.hero-visual{display:flex;align-items:center;justify-content:center;position:relative;animation:fadeSlideUp 1s var(--ease-out-exp) .4s both}
.logo-orbiter{position:relative;width:420px;height:420px;display:flex;align-items:center;justify-content:center}
.logo-orbiter img{
  width:270px;height:270px;border-radius:50%;object-fit:contain;z-index:3;position:relative;
  filter:drop-shadow(0 0 55px var(--blue-glow));animation:logoBreath 5s ease-in-out infinite;
}
.logo-ring{position:absolute;border-radius:50%;border:1.5px solid transparent}
.logo-ring-1{inset:0;border-color:rgba(59,130,246,.3);animation:ringSpin 14s linear infinite}
.logo-ring-2{inset:-22px;border-color:rgba(124,58,237,.2);animation:ringSpin 20s linear infinite reverse}
.logo-ring-3{inset:-44px;border:2px dashed rgba(245,124,0,.18);animation:ringSpin 26s linear infinite}
.logo-dot{position:absolute;width:11px;height:11px;border-radius:50%;z-index:4}
.dot-1{top:-5px;left:50%;transform:translateX(-50%);background:var(--blue-light);box-shadow:0 0 16px var(--blue-light);animation:dotPulse 2s infinite}
.dot-2{bottom:12%;right:-5px;background:var(--orange-light);box-shadow:0 0 16px var(--orange-light);animation:dotPulse 2s infinite .7s}
.dot-3{bottom:-5px;left:30%;background:var(--purple-core);box-shadow:0 0 16px var(--purple-core);animation:dotPulse 2s infinite 1.4s}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.6);opacity:.6}}
@keyframes ringSpin{to{transform:rotate(360deg)}}
@keyframes logoBreath{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}
.floating-tag{
  position:absolute;background:rgba(13,20,36,.85);backdrop-filter:blur(16px);padding:10px 18px;
  border-radius:var(--radius-md);border:1px solid var(--border-strong);
  font-size:12px;font-weight:600;color:var(--text-secondary);display:flex;align-items:center;gap:8px;
  white-space:nowrap;z-index:5;animation:tagFloat 5s ease-in-out infinite;
}
.floating-tag i{color:var(--blue-light);font-size:13px}
.tag-1{top:8%;right:-12px}
.tag-2{bottom:14%;left:-24px;color:var(--orange-light)}
.tag-2 i{color:var(--orange-light)}
@keyframes tagFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.scroll-hint{
  position:absolute;bottom:36px;left:50%;transform:translateX(-50%);z-index:10;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);
  font-size:11px;letter-spacing:3px;animation:fadeSlideUp .8s var(--ease-out-exp) .6s both;
}
.scroll-mouse{width:24px;height:38px;border:2px solid var(--text-muted);border-radius:12px;position:relative}
.scroll-mouse::after{content:'';position:absolute;top:6px;left:50%;transform:translateX(-50%);width:3px;height:8px;background:var(--text-muted);border-radius:2px;animation:scrollWheel 1.8s ease-in-out infinite}
@keyframes scrollWheel{0%,100%{top:6px;opacity:1}50%{top:18px;opacity:.2}}
@keyframes bgZoom{from{transform:scale(1)}to{transform:scale(1.12)}}

/* ════════════════════════════════════════
   SECTION — 通用
   ════════════════════════════════════════ */
.section{position:relative;padding:68px 32px}
.section-header{text-align:center;margin-bottom:46px}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  text-transform:uppercase;letter-spacing:2px;color:var(--blue-light);margin-bottom:16px;
}
.section-label::before,.section-label::after{content:'';width:24px;height:1px;background:var(--blue-light)}
.section-title{font-size:clamp(30px,3.6vw,44px);font-weight:900;letter-spacing:-.025em;line-height:1.15;margin-bottom:16px}
.section-title .gradient-text{background:linear-gradient(135deg,#fff,var(--text-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.section-desc{font-size:16px;color:var(--text-secondary);max-width:560px;margin:0 auto;line-height:1.7}
.fx-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.fx-radial{position:absolute;border-radius:50%;filter:blur(100px);opacity:.14}

/* ════════════════════════════════════════
   关于我们（一体化玻璃面板）
   ════════════════════════════════════════ */
.about-panel{
  position:relative;max-width:var(--container);margin:0 auto;border-radius:var(--radius-xl);
  overflow:hidden;padding:56px 52px;
  background:linear-gradient(155deg,rgba(10,79,184,.10),rgba(124,58,237,.05) 55%,rgba(245,124,0,.04));
  border:1px solid var(--border-strong);
}
.about-panel::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--blue-core),var(--purple-core),var(--orange-core));
}
.about-panel-glow{
  position:absolute;top:-160px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--blue-core);filter:blur(120px);opacity:.18;pointer-events:none;
}
.about-panel-inner{position:relative;display:grid;grid-template-columns:200px 1fr;gap:52px;align-items:center}
.about-emblem{position:relative;width:200px;height:200px;display:flex;align-items:center;justify-content:center}
.about-emblem img{width:150px;height:150px;border-radius:50%;object-fit:contain;z-index:2;filter:drop-shadow(0 0 32px var(--blue-glow))}
.about-emblem::before{content:'';position:absolute;inset:0;border-radius:50%;border:2px dashed rgba(59,130,246,.32);animation:ringSpin 24s linear infinite}
.about-emblem::after{content:'';position:absolute;inset:16px;border-radius:50%;border:1px solid rgba(124,58,237,.25)}
.about-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--blue-light);margin-bottom:16px}
.about-eyebrow::before{content:'';width:24px;height:2px;background:var(--blue-light)}
.about-headline{font-size:clamp(24px,2.8vw,34px);font-weight:900;line-height:1.35;letter-spacing:-.02em;margin-bottom:18px}
.about-headline .g{background:linear-gradient(135deg,var(--blue-light),var(--cyan-core));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.about-desc{font-size:15.5px;line-height:1.85;color:var(--text-secondary);margin-bottom:26px;max-width:720px}
.mission-row{display:flex;flex-wrap:wrap;gap:10px;width:max-content;max-width:100%}
.mission-chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:99px;
  font-size:13.5px;font-weight:700;background:var(--bg-glass);border:1px solid var(--border-strong);
  transition:all .3s var(--ease-spring);
}
.mission-chip:hover{transform:translateY(-3px);border-color:var(--blue-light);color:var(--blue-light);box-shadow:0 8px 24px var(--blue-glow)}
.mission-chip i{font-size:14px;color:var(--blue-light)}
.about-stats{position:relative;display:grid;grid-template-columns:repeat(4,1fr);margin-top:46px;padding-top:38px;border-top:1px solid var(--border-subtle)}
.about-stats .stat{position:relative;text-align:center}
.about-stats .stat:not(:last-child)::after{content:'';position:absolute;right:0;top:12%;height:76%;width:1px;background:var(--border-subtle)}
.about-stats .num{font-family:var(--font-mono);font-size:clamp(32px,3.4vw,42px);font-weight:900;line-height:1;background:linear-gradient(135deg,var(--blue-light),var(--cyan-core),var(--purple-core));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.about-stats .lbl{margin-top:10px;font-size:13.5px;color:var(--text-secondary);font-weight:600}

/* ════════════════════════════════════════
   协会动态（杂志式布局）
   ════════════════════════════════════════ */
.news-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:36px;max-width:var(--container);margin:0 auto;align-items:stretch}
.news-feature-card{position:relative;display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-card);border:1px solid var(--border-subtle);transition:all .4s var(--ease-out-exp)}
.news-feature-card:hover{border-color:var(--border-strong);transform:translateY(-6px);box-shadow:0 24px 60px rgba(0,0,0,.35)}
.news-fc-img{position:relative;height:300px;overflow:hidden}
.news-fc-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease-out-exp)}
.news-feature-card:hover .news-fc-img img{transform:scale(1.06)}
.news-fc-body{padding:28px 30px 32px;display:flex;flex-direction:column;flex:1}
.news-fc-meta{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.news-fc-date{font-family:var(--font-mono);font-size:12.5px;color:var(--text-muted)}
.news-fc-title{font-size:clamp(20px,2.3vw,26px);font-weight:800;line-height:1.4;margin-bottom:14px;transition:color .3s}
.news-feature-card:hover .news-fc-title{color:var(--blue-light)}
.news-fc-excerpt{font-size:14.5px;line-height:1.75;color:var(--text-secondary);margin-bottom:22px;flex:1}
.news-fc-link{display:inline-flex;align-items:center;gap:8px;margin-top:auto;font-size:14px;font-weight:700;color:var(--blue-light)}
.news-fc-link i{transition:transform .3s}
.news-feature-card:hover .news-fc-link i{transform:translateX(5px)}
.news-side{display:flex;flex-direction:column}
.news-side-head{display:flex;align-items:center;justify-content:space-between;padding:6px 6px 14px}
.news-side-head h3{font-size:17px;font-weight:800}
.news-side-head a{font-size:13px;color:var(--text-muted);transition:color .2s}
.news-side-head a:hover{color:var(--blue-light)}
.news-mini{display:grid;grid-template-columns:78px 1fr;gap:18px;align-items:center;padding:19px 12px;border-top:1px solid var(--border-subtle);transition:all .3s ease;cursor:pointer}
.news-mini:last-child{border-bottom:1px solid var(--border-subtle)}
.news-mini:hover{background:var(--bg-glass);padding-left:18px;padding-right:18px}
.nm-date{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);line-height:1.35}
.nm-cat{display:inline-block;margin-top:5px;font-size:11px;font-weight:700;padding:2px 9px;border-radius:99px}
.nm-cat.blue{background:rgba(59,130,246,.16);color:var(--blue-light)}
.nm-cat.orange{background:rgba(245,124,0,.16);color:var(--orange-light)}
.nm-cat.green{background:rgba(16,185,129,.16);color:var(--green-core)}
.nm-title{font-size:15.5px;font-weight:700;line-height:1.45;transition:color .3s}
.news-mini:hover .nm-title{color:var(--blue-light)}
.news-more{text-align:center;margin-top:44px}

/* ════════════════════════════════════════
   会员展示（悬浮二维码）
   ════════════════════════════════════════ */
.member-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:var(--container);margin:0 auto}
.member-card{
  position:relative;display:block;border-radius:var(--radius-lg);padding:28px 24px;background:var(--bg-card);
  border:1px solid var(--border-subtle);transition:all .4s var(--ease-out-exp);overflow:hidden;text-decoration:none;color:inherit;
}
.member-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--mc,#3B82F6);opacity:.7;transition:opacity .3s}
.member-card:hover{border-color:var(--border-strong);transform:translateY(-6px);box-shadow:0 20px 50px rgba(0,0,0,.3)}
.member-body{position:relative;overflow:hidden}
.member-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--border-subtle);font-size:13.5px;font-weight:700;color:var(--text-secondary);transition:color .3s}
.member-card:hover .member-foot{color:var(--mc,#3B82F6)}
.member-foot i{transition:transform .3s}
.member-card:hover .member-foot i{transform:translateX(4px)}
.member-top{display:flex;align-items:center;gap:14px}
.member-avatar{
  width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;line-height:1;color:#fff;flex-shrink:0;background:var(--mc,#3B82F6);box-shadow:0 6px 18px color-mix(in srgb,var(--mc,#3B82F6) 40%,transparent);
}
.member-platform-icon{
  width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:26px;line-height:1;color:#fff;flex-shrink:0;background:var(--mc,#3B82F6);
  box-shadow:0 6px 18px color-mix(in srgb,var(--mc,#3B82F6) 40%,transparent);
}
.member-account{font-size:17px;font-weight:800;margin-bottom:3px;display:flex;align-items:center;gap:6px}
.member-certified{font-size:14px;color:var(--mc,#3B82F6)}
.member-meta{flex:1;min-width:0}
.member-name{font-size:17px;font-weight:800;margin-bottom:3px}
.member-platform{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--mc,#3B82F6)}
.member-intro{font-size:14px;color:var(--text-secondary);line-height:1.6;margin:16px 0;min-height:44px}
.member-fans{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);border-top:1px solid var(--border-subtle);padding-top:16px}
.member-fans b{font-size:19px;font-weight:900;font-family:var(--font-mono);color:var(--text-primary)}
.member-cat{margin-left:auto;font-size:11px;padding:4px 11px;border-radius:99px;background:var(--bg-glass);border:1px solid var(--border-subtle);color:var(--text-secondary)}
.member-qr{
  position:absolute;inset:0;background:rgba(7,11,20,.86);backdrop-filter:blur(14px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .4s var(--ease-out-exp);z-index:5;
}
.member-card:hover .member-qr{opacity:1;visibility:visible;transform:translateY(0)}
.member-qr-box{
  width:150px;height:150px;border-radius:14px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;
  padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.35);overflow:hidden;
  background-image:linear-gradient(rgba(15,23,42,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,23,42,.05) 1px,transparent 1px);
  background-size:15px 15px;background-position:-7px -7px;
}
.member-qr-box .qr-ph{color:#cbd5e1;font-size:42px}
.member-qr-box .qr-cap{font-size:11px;color:#94a3b8;font-weight:700;letter-spacing:1px}
.member-qr-box img{width:100%;height:100%;aspect-ratio:1/1;object-fit:contain;display:block;border-radius:8px}
.member-qr-name{font-size:14px;font-weight:700;color:var(--text-primary)}
.member-qr-tip{font-size:12px;color:var(--text-secondary);display:inline-flex;align-items:center;gap:6px}

/* ════════════════════════════════════════
   党群建设（徽章式 · 预留徽标位置）
   ════════════════════════════════════════ */
.party-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:var(--container);margin:0 auto}
.party-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:38px 30px 34px;
  background:linear-gradient(165deg,color-mix(in srgb,var(--pc,#DC2626) 8%,transparent),transparent);
  border:1px solid color-mix(in srgb,var(--pc,#DC2626) 18%,transparent);
  transition:all .4s var(--ease-out-exp);
}
.party-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--pc,#DC2626),#F97316,transparent)}
.party-card:hover{border-color:color-mix(in srgb,var(--pc,#DC2626) 40%,transparent);transform:translateY(-6px);box-shadow:0 22px 55px color-mix(in srgb,var(--pc,#DC2626) 16%,transparent)}
.party-emblem{
  position:relative;z-index:1;width:90px;height:90px;border-radius:50%;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.04),0 8px 24px rgba(0,0,0,.25);
  overflow:hidden;
}
.party-emblem img{width:86%;height:86%;object-fit:contain;filter:drop-shadow(0 3px 8px rgba(0,0,0,.3))}
.party-title{position:relative;z-index:1;font-size:19px;font-weight:800;margin-bottom:10px}
.party-desc{position:relative;z-index:1;font-size:14px;color:var(--text-secondary);line-height:1.65;margin-bottom:16px}
.party-tags{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:6px}
.party-tag{padding:4px 12px;border-radius:99px;font-size:11px;font-weight:600;background:color-mix(in srgb,var(--pc,#DC2626) 10%,transparent);color:color-mix(in srgb,var(--pc,#DC2626) 55%,#fff);border:1px solid color-mix(in srgb,var(--pc,#DC2626) 18%,transparent)}

/* ════════════════════════════════════════
   关注我们（二维码）
   ════════════════════════════════════════ */
.follow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:960px;margin:0 auto}
.qr-card{
  border-radius:var(--radius-lg);padding:34px 28px;text-align:center;
  background:var(--bg-card);border:1px solid var(--border-subtle);
  transition:all .4s var(--ease-out-exp);position:relative;overflow:hidden;
}
.qr-card:hover{border-color:var(--border-strong);transform:translateY(-6px);box-shadow:0 20px 50px rgba(0,0,0,.3)}
.qr-icon{
  width:62px;height:62px;border-radius:20px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  font-size:26px;color:#fff;background:var(--qc,#3B82F6);box-shadow:0 8px 24px color-mix(in srgb,var(--qc,#3B82F6) 40%,transparent);
}
.qr-platform{font-size:13px;font-weight:700;color:var(--qc,#3B82F6);letter-spacing:1px;margin-bottom:4px;text-transform:uppercase}
.qr-name{font-size:20px;font-weight:800;margin-bottom:20px}
.qr-box{
  width:176px;height:176px;margin:0 auto 18px;border-radius:16px;background:#fff;
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;
  box-shadow:0 10px 30px rgba(0,0,0,.3);position:relative;overflow:hidden;
}
.qr-box img{width:100%;height:100%;aspect-ratio:1/1;object-fit:contain;display:block;border-radius:10px}
.qr-box .qr-ph{color:#cbd5e1;font-size:46px}
.qr-box .qr-tip{font-size:11px;color:#94a3b8;font-weight:600}
.qr-scan{font-size:13px;color:var(--text-secondary);font-weight:600}

/* ════════════════════════════════════════
   联系我们 / CTA
   ════════════════════════════════════════ */
.cta-section{position:relative;overflow:hidden;text-align:center}
.cta-glow{position:absolute;border-radius:50%;filter:blur(120px);z-index:0;opacity:.4}
.cta-gl-1{width:500px;height:500px;background:var(--blue-core);top:-150px;left:10%}
.cta-gl-2{width:450px;height:450px;background:var(--purple-core);bottom:-150px;right:10%}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:880px;margin:0 auto}
.cta-title{font-size:clamp(28px,3.6vw,42px);font-weight:900;margin-bottom:16px;letter-spacing:-.02em}
.cta-title .gt{background:linear-gradient(135deg,var(--blue-light),var(--cyan-core));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.cta-desc{font-size:17px;color:var(--text-secondary);margin-bottom:40px;line-height:1.7}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:880px;margin:0 auto}
.contact-card{
  padding:26px 20px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-subtle);
  text-align:center;transition:all .4s var(--ease-out-exp);
}
.contact-card:hover{border-color:var(--border-strong);transform:translateY(-5px);box-shadow:0 16px 40px rgba(0,0,0,.25)}
.cc-icon{width:52px;height:52px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:21px;margin:0 auto 12px;background:linear-gradient(135deg,rgba(59,130,246,.12),rgba(124,58,237,.08));color:var(--blue-light)}
.cc-label{font-size:13px;color:var(--text-muted);margin-bottom:4px}
.cc-value{font-size:16px;font-weight:700}

/* ════════════════════════════════════════
   FOOTER — 重做
   ════════════════════════════════════════ */
.footer{margin-top:40px}
.footer-cta{padding:0 32px}
.footer-cta-inner{
  position:relative;max-width:var(--container);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:36px 44px;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,rgba(10,79,184,.2),rgba(124,58,237,.14));
  border:1px solid var(--border-strong);
}
.footer-cta-inner::before{
  content:'';position:absolute;inset:0;opacity:.5;
  background:radial-gradient(ellipse 60% 120% at 80% 50%,rgba(124,58,237,.3),transparent);
}
.fc-text{position:relative;z-index:1}
.fc-text h3{font-size:22px;font-weight:800;margin-bottom:4px}
.fc-text p{color:var(--text-secondary);font-size:14px}
.footer-cta-inner .btn{position:relative;z-index:2;flex-shrink:0}
.footer-main{padding:60px 32px 28px}
.footer-inner{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px;
}
.footer-brand{max-width:320px}
.footer-logo{width:190px;height:auto;object-fit:contain;margin-bottom:14px}
.footer-about{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:4px}
.footer-about-sub{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  position:relative;width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-glass);border:1px solid var(--border-subtle);color:var(--text-secondary);
  font-size:16px;transition:all .3s var(--ease-out-exp);
}
.footer-social a:hover{color:var(--blue-light);border-color:var(--blue-light);transform:translateY(-3px);box-shadow:0 8px 20px var(--blue-glow)}
.social-qr{
  position:absolute;bottom:120%;left:50%;transform:translateX(-50%) scale(.9);
  width:120px;padding:8px;background:var(--bg-surface);border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);box-shadow:0 12px 40px rgba(0,0,0,.35);
  opacity:0;visibility:hidden;transition:all .2s ease;pointer-events:none;z-index:20;
}
.social-qr img{width:100%;height:auto;border-radius:4px;display:block}
.footer-social a:hover .social-qr{opacity:1;visibility:visible;transform:translateX(-50%) scale(1)}
.footer-social a[href^="javascript"]{cursor:default}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:18px;color:var(--text-primary)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13.5px;color:var(--text-secondary);transition:color .2s}
.footer-col ul li a:hover{color:var(--blue-light)}
.footer-bottom{
  max-width:var(--container);margin:44px auto 0;padding-top:24px;border-top:1px solid var(--border-subtle);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.footer-copy{font-size:13px;color:var(--text-muted)}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:12.5px;color:var(--text-muted);transition:color .2s}
.footer-links a:hover{color:var(--blue-light)}

/* ════════════════════════════════════════
   BACK TO TOP
   ════════════════════════════════════════ */
.back-to-top{
  position:fixed;bottom:32px;right:32px;z-index:99;width:48px;height:48px;border-radius:50%;
  background:var(--bg-glass);backdrop-filter:blur(12px);border:1px solid var(--border-strong);
  color:var(--text-primary);font-size:16px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);transition:all .35s var(--ease-out-exp);
}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:linear-gradient(135deg,var(--blue-core),var(--purple-core));border-color:transparent;transform:translateY(-3px)}

/* ════════════════════════════════════════
   REVEAL
   ════════════════════════════════════════ */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .75s var(--ease-out-exp),transform .75s var(--ease-out-exp)}
.reveal.revealed{opacity:1;transform:translate(0)}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;text-align:center;padding:0 32px}
  .hero-content{max-width:100%}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero-visual{display:none}
  .about-panel-inner{grid-template-columns:1fr;gap:32px;text-align:center}
  .about-emblem{margin:0 auto}
  .about-stats{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .news-grid{grid-template-columns:1fr}
  .member-grid{grid-template-columns:repeat(2,1fr)}
  .party-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-cta-inner{flex-direction:column;text-align:center;padding:32px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:52px 28px}
  .navbar{padding:0 24px}
}
@media(max-width:640px){
  .nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(2px);z-index:998;opacity:0;visibility:hidden;transition:all .3s ease}
  .nav-overlay.active{display:block;opacity:1;visibility:visible}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:min(320px,82vw);max-width:320px;
    padding:80px 20px 20px;
    background:rgba(10,14,26,.98);backdrop-filter:blur(28px) saturate(1.6);
    border-left:1px solid var(--border-strong);border-top:none;
    flex-direction:column;gap:0;
    transform:translateX(100%);transition:transform .35s var(--ease-out-exp);
    display:flex;z-index:999;
    box-shadow:-20px 0 60px rgba(0,0,0,.45);
  }
  .nav-links.active{transform:translateX(0)}
  .nav-item{border-bottom:1px solid var(--border-subtle)}
  .nav-item:last-child{border-bottom:none}
  .nav-link{width:100%;justify-content:space-between;padding:15px 4px;font-size:15px;border-radius:0}
  .nav-link:hover{background:transparent;color:var(--blue-light)}
  .nav-link.active{background:transparent;color:var(--blue-light)}
  .nav-caret{font-size:11px;transition:transform .25s}
  .nav-item.open .nav-caret{transform:rotate(180deg)}
  .nav-dropdown{
    position:static;display:none;transform:none;opacity:1;visibility:visible;
    background:transparent;border:none;box-shadow:none;padding:0 0 12px 8px;min-width:auto;gap:2px
  }
  .nav-item.open .nav-dropdown{display:flex;flex-direction:column}
  .nav-dropdown a{padding:10px 8px;font-size:14px;color:var(--text-secondary);border-radius:var(--radius-sm)}
  .nav-dropdown a:hover{background:var(--bg-glass);color:var(--text-primary);padding-left:14px}
  .nav-cta-group{
    margin-top:auto;margin-left:0;padding:18px 0 0;border-left:none;
    border-top:1px solid var(--border-strong);flex-direction:column;gap:10px
  }
  .nav-cta-group .nav-cta,.nav-cta-group .nav-login{width:100%;justify-content:center;border-radius:99px;padding:12px 18px;font-size:14px}
  .menu-toggle{display:block;position:relative;z-index:1000;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--bg-glass);border:1px solid var(--border-subtle);color:var(--text-primary);font-size:18px}
  .menu-toggle .fa-xmark{display:none}
  .menu-toggle.active .fa-bars{display:none}
  .menu-toggle.active .fa-xmark{display:inline-block}
  html.light-mode .nav-links.active{background:#fff;border-left-color:var(--border-subtle);box-shadow:-20px 0 60px rgba(15,27,45,.18)}
  html.light-mode .nav-link{color:var(--text-secondary)}
  html.light-mode .nav-link:hover{color:var(--blue-core)}
  html.light-mode .nav-item{border-bottom-color:var(--border-subtle)}
  html.light-mode .nav-dropdown{background:transparent;border:none;box-shadow:none}
  html.light-mode .nav-dropdown a{color:var(--text-secondary)}
  html.light-mode .menu-toggle{background:#fff;border-color:var(--border-subtle);color:var(--text-primary)}
  .member-grid{grid-template-columns:1fr}
  .about-stats .stat::after{display:none}
  .follow-grid{grid-template-columns:1fr;max-width:420px}
  .hero-inner{padding:0 24px}
  .section{padding:44px 24px}
  .footer-inner{grid-template-columns:1fr;gap:28px}
}
@keyframes fadeSlideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-30px)}}

/* ════════════════════════════════════════
   LIGHT MODE（日 / 夜 切换）
   在 <html> 上加 .light-mode，以下覆盖变量与硬编码深色背景
   ════════════════════════════════════════ */
html.light-mode{
  --bg-deep:#eef2f8;
  --bg-surface:#ffffff;
  --bg-card:rgba(15,23,42,.035);
  --bg-glass:rgba(15,23,42,.055);
  --border-subtle:rgba(15,23,42,.09);
  --border-strong:rgba(15,23,42,.16);
  --text-primary:#0f172a;
  --text-secondary:#475569;
  --text-muted:#94a3b8;
}
html.light-mode body{background:var(--bg-deep);color:var(--text-primary)}

/* 导航条 */
html.light-mode .navbar.scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.8) blur(24px);
  -webkit-backdrop-filter:saturate(1.8) blur(24px);
  border-bottom:1px solid rgba(15,23,42,.08);
  box-shadow:0 4px 24px rgba(15,27,45,.06);
}
html.light-mode .nav-link{color:var(--text-secondary)}
html.light-mode .nav-link:hover{color:var(--text-primary);background:rgba(15,23,42,.06)}
html.light-mode .nav-link.active{color:var(--blue-core);background:rgba(10,79,184,.10)}
html.light-mode .nav-dropdown{background:rgba(255,255,255,.98);border:1px solid var(--border-strong);box-shadow:0 24px 60px rgba(15,27,45,.16)}
html.light-mode .nav-dropdown::before{background:rgba(255,255,255,.98);border-left:1px solid var(--border-strong);border-top:1px solid var(--border-strong)}
html.light-mode .nav-dropdown a{color:var(--text-secondary)}
html.light-mode .nav-dropdown a:hover{background:rgba(15,23,42,.06);color:var(--text-primary)}
/* 白天模式：仅移动端展开菜单时才给白色背景，桌面端保持透明融入浅色背景 */
html.light-mode .nav-links.active{background:rgba(255,255,255,.98);border-top:1px solid var(--border-subtle)}
html.light-mode .nav-cta-group{border-left-color:rgba(15,23,42,.10)}
html.light-mode .nav-cta{box-shadow:0 6px 18px rgba(10,79,184,.22)}
html.light-mode .nav-login{box-shadow:0 6px 18px rgba(10,79,184,.25);color:#fff}
html.light-mode .nav-login:hover{color:#fff}
html.light-mode .theme-toggle{background:rgba(255,255,255,.55);border-color:rgba(15,23,42,.10)}
/* 白天模式：CTA 按钮 hover 时保持渐变背景和白色文字，不被 .nav-link:hover 覆盖 */
html.light-mode .nav-cta-group .nav-cta:hover,
html.light-mode .nav-cta-group .nav-login:hover{color:#fff}
html.light-mode .nav-cta-group .nav-cta:hover{background:linear-gradient(135deg,var(--blue-core),var(--purple-core))}
html.light-mode .nav-cta-group .nav-login:hover{background:linear-gradient(135deg,#1565C0,#0A4FB8)}

/* Hero */
html.light-mode .hero{background:radial-gradient(ellipse 80% 60% at 20% 40%,rgba(10,79,184,.12),transparent),radial-gradient(ellipse 60% 50% at 80% 60%,rgba(124,58,237,.08),transparent),linear-gradient(170deg,#e7eefb 0%,#f3f6fb 50%,#eaf0f8 100%)}
html.light-mode .hero-bg-img{opacity:.12;filter:saturate(1.1) brightness(1)}
html.light-mode .geo-shape{opacity:.3}
html.light-mode .floating-tag{background:rgba(255,255,255,.92);border:1px solid var(--border-strong);color:var(--text-secondary);box-shadow:0 8px 24px rgba(15,27,45,.08)}

/* 文字渐变（原 #fff 在浅色下不可见） */
html.light-mode .section-title .gradient-text{background:linear-gradient(135deg,#0f172a,var(--blue-core));-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* 会员二维码浮层 */
html.light-mode .member-qr{background:rgba(255,255,255,.92)}
html.light-mode .social-qr{background:#fff;box-shadow:0 12px 40px rgba(15,27,45,.18)}

/* 按钮二次态 */
html.light-mode .btn-secondary{background:rgba(15,23,42,.04);border-color:var(--border-strong)}
html.light-mode .btn-secondary:hover{background:rgba(15,23,42,.08);border-color:var(--border-strong)}
html.light-mode .about-panel{border:1px solid var(--border-strong)}

/* ---------- 内容列表分页 ---------- */
.ct-pages{display:flex;justify-content:center;margin:34px 0 8px}
.pagination{display:inline-flex;flex-wrap:wrap;gap:8px;align-items:center;list-style:none;padding:0;margin:0}
.pagination li{margin:0}
.pagination li a{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-glass);color:var(--text-primary);font-size:14px;font-weight:600;text-decoration:none;transition:all .2s ease}
.pagination li a:hover{border-color:var(--blue-light);background:var(--bg-card);color:var(--blue-light);transform:translateY(-1px)}
.pagination li.active a{background:linear-gradient(135deg,var(--blue-core),#7c3aed);border-color:transparent;color:#fff;box-shadow:0 6px 18px rgba(10,79,184,.35);cursor:default}
.pagination li.active a:hover{transform:none}
.pagination li a:not([href]){background:transparent;border-color:transparent;color:var(--text-secondary);cursor:default;box-shadow:none}
.pagination li a:not([href]):hover{transform:none;color:var(--text-secondary);border-color:transparent}
html.light-mode .pagination li a{background:#fff;border-color:var(--border-strong);color:var(--text-primary)}
html.light-mode .pagination li a:hover{border-color:var(--blue-light);background:#fff;color:var(--blue-light)}
html.light-mode .pagination li.active a{color:#fff}
html.light-mode .pagination li a:not([href]){background:transparent;color:var(--text-secondary)}

/* ---------- 会员登录 / 注册 通用页（全站风格适配） ---------- */
.auth-page{background:var(--bg-deep)}
.auth-main{display:flex;align-items:center;justify-content:center;padding:48px 20px 52px;background:radial-gradient(1200px 520px at 50% -12%,rgba(10,79,184,.20),transparent 60%),var(--bg-deep)}
.auth-card{width:100%;max-width:430px;background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:0 30px 80px rgba(0,0,0,.45);padding:36px 34px;position:relative;overflow:hidden}
.auth-card-glow{position:absolute;inset:-40% 30% auto -40%;height:200px;background:radial-gradient(closest-side,rgba(10,79,184,.35),transparent);filter:blur(20px);pointer-events:none}
html.light-mode .auth-card{background:#fff;box-shadow:0 30px 80px rgba(15,27,45,.12)}
.auth-logo{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:14px}
.auth-logo img{height:44px}
.auth-title{text-align:center;font-size:24px;font-weight:800;margin:0 0 4px;color:var(--text-primary)}
.auth-sub{text-align:center;color:var(--text-secondary);font-size:13px;margin:0 0 24px}
.auth-form{list-style:none;padding:0;margin:0}
.auth-form li{display:flex;gap:10px;align-items:center;margin-bottom:14px}
.auth-form .input{flex:1;width:100%;height:46px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-glass);color:var(--text-primary);padding:0 14px;font-size:14px;box-sizing:border-box;outline:none;transition:border-color .15s,box-shadow .15s}
.auth-form .input:focus{border-color:var(--blue-light);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
html.light-mode .auth-form .input{background:#fff}
.auth-form .code{flex:1}
.auth-form img{flex:0 0 auto;height:46px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);cursor:pointer}
.auth-form .submit{flex:1;width:100%;height:48px;border:none;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--blue-core),#7c3aed);color:#fff;font-size:16px;font-weight:700;letter-spacing:2px;cursor:pointer;transition:transform .15s,box-shadow .15s}
.auth-form .submit:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(10,79,184,.4)}
.auth-other{display:flex;gap:18px;justify-content:center;margin:6px 0 4px}
.auth-other a{display:inline-flex;align-items:center;gap:6px;color:var(--text-secondary);text-decoration:none;font-size:13px}
.auth-other a:hover{color:var(--blue-light)}
.auth-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:18px;font-size:13px;color:var(--text-secondary)}
.auth-bottom a{color:var(--blue-light);text-decoration:none;transition:color .15s}
.auth-bottom a:hover{color:var(--blue-core);text-decoration:underline}
.auth-bottom .reg-tip a{font-weight:600}
.auth-bottom .forgot{margin-left:0;color:var(--text-secondary)}
.auth-bottom .forgot:hover{color:var(--blue-core)}
html.light-mode .auth-bottom .forgot{color:var(--text-secondary)}
/* 注册 / 找回密码页 适配登录卡片（与 login.html 一致） */
.auth-form li.block{display:block;margin-bottom:14px}
.auth-form li.block .field{margin-bottom:10px}
.auth-form li.block .field>label{display:block;color:var(--text-secondary);font-size:13px;margin-bottom:6px}
.auth-form li.agree-line{display:flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--text-secondary);font-size:13px}
.auth-form li.agree-line input{width:16px;height:16px;flex:none}
.auth-form li.agree-line a{color:var(--blue-light);text-decoration:none}
.auth-form li.agree-line a:hover{text-decoration:underline}
.auth-form li.link-line{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:13px;margin-bottom:14px}
.auth-form li.link-line a{color:var(--blue-light);text-decoration:none}
.auth-form li.link-line a:hover{text-decoration:underline}
.auth-opt{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-glass);color:var(--text-secondary);font-size:14px;margin-bottom:12px}
.auth-opt .num{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;padding:0 7px;border-radius:7px;background:rgba(10,79,184,.16);color:var(--blue-light);font-weight:700;font-size:13px;margin-right:8px}
.auth-opt a{color:var(--blue-light);text-decoration:none;font-weight:600;white-space:nowrap}
.auth-opt a:hover{text-decoration:underline}
.auth-note{color:var(--text-secondary);font-size:13px;line-height:1.7;background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:12px 14px;margin-bottom:16px}
.auth-field-label{color:var(--text-secondary);font-size:14px;white-space:nowrap}
.hqyz{height:42px;padding:0 16px;border:none;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--blue-core),#7c3aed);color:#fff;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap}
.hqyz:hover{opacity:.92}

/* layer弹窗样式修正：深色主题下layer白色背景配深色文字 */
.layui-layer-content{color:#333!important}
.layui-layer-title{color:#333!important}
.layui-layer-btn a{color:#333!important}
.layui-layer-btn .layui-layer-btn0{color:#fff!important}
.layui-layer-hui{background-color:rgba(0,0,0,.7)!important;color:#fff!important}
.layui-layer-hui .layui-layer-content{color:#fff!important}

/* ══════════════════════════════════════════════════════════════
   移动端优化（2026-08-10）：尾部极简 / 首页重排版 / 白天模式导航
   ══════════════════════════════════════════════════════════════ */

/* ---------- 任务6：白天模式下导航条始终有可见背景（避免“看不见”） ---------- */
html.light-mode .navbar{
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(1.8) blur(20px);
  -webkit-backdrop-filter:saturate(1.8) blur(20px);
  border-bottom:1px solid rgba(15,27,45,.08);
}
html.light-mode .navbar .nav-logo{filter:none;}

/* ---------- 任务6：移动端已登录用户下拉改为扁平块，确保可见可点 ---------- */
@media(max-width:640px){
  .nav-links{overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(20px + env(safe-area-inset-bottom))}
  .nav-user{width:100%}
  .nav-user-btn{width:100%;justify-content:space-between}
  .nav-user-menu{
    position:static;display:none;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;background:transparent;padding:6px 0 10px;margin-top:6px;min-width:auto;z-index:auto;
  }
  .nav-user.open .nav-user-menu{display:flex;flex-direction:column;gap:2px;animation:none}
  .nav-user-menu a{padding:11px 12px;border-radius:10px;background:var(--bg-glass);font-size:14px;color:var(--text-secondary)}
  .nav-user-menu a:hover{background:var(--bg-glass);color:var(--text-primary)}
  .nav-user-menu a.nav-user-logout{color:var(--orange-light,#fb923c)}
  html.light-mode .nav-user-menu a{background:rgba(15,23,42,.05);color:#475569}
  html.light-mode .nav-user-menu a:hover{background:rgba(15,23,42,.09);color:#0f172a}
  .nav-user-head{padding:8px 12px}
}

/* ---------- 任务4：移动端全站尾部极简 ---------- */
@media(max-width:640px){
  .footer-cta{display:none}
  .footer-main{padding:8px 0 0}
  .footer-inner{grid-template-columns:1fr;gap:18px;text-align:center}
  .footer-brand{align-items:center;display:flex;flex-direction:column}
  .footer-social{justify-content:center;margin-top:4px}
  .footer-col{display:none}
  .footer-about,.footer-about-sub{font-size:13px}
  .footer-bottom{
    flex-direction:column;gap:8px;text-align:center;
    padding:16px 0;border-top:1px solid var(--border-subtle);margin-top:8px;
  }
  .footer-copy{font-size:12px}
  .footer-links{justify-content:center;flex-wrap:wrap;gap:10px;font-size:12px}
}

/* ---------- 任务5：移动端首页重排版（更精致、不拥挤、不横向溢出） ---------- */
@media(max-width:640px){
  .hero{padding:92px 0 56px;overflow:hidden}
  .hero-inner{padding:0 20px}
  .hero-badge{font-size:12px;padding:6px 12px}
  .hero-title{font-size:30px;line-height:1.25;letter-spacing:.5px}
  .hero-title-line{display:block}
  .hero-desc{font-size:14px;line-height:1.7;margin:16px auto 0}
  .hero-actions{flex-direction:column;gap:12px;width:100%;padding:0 6px}
  .hero-actions .btn{width:100%;justify-content:center}
  .scroll-hint{display:none}

  .section{padding:48px 20px;overflow:hidden}
  .fx-radial{width:min(360px,80vw)!important;height:min(360px,80vw)!important;opacity:.55!important}
  .section-header{margin-bottom:28px}
  .section-title{font-size:26px}
  .section-desc{font-size:14px;line-height:1.7}
  .section-label{font-size:12px}

  .about-panel{padding:22px 18px;border-radius:18px}
  .about-eyebrow{font-size:13px}
  .about-headline{font-size:21px;line-height:1.45}
  .about-desc{font-size:14px;line-height:1.75}
  .about-stats{grid-template-columns:repeat(2,1fr);gap:20px 0;margin-top:24px}
  .about-stats .num{font-size:28px}
  .mission-row{flex-wrap:wrap;gap:8px;justify-content:center}
  .mission-chip{font-size:12px;padding:6px 12px}

  .news-fc-img{height:180px}
  .news-fc-img img{height:180px;object-fit:cover}
  .news-fc-title{font-size:18px;line-height:1.4}
  .news-fc-excerpt{font-size:13px;line-height:1.6}
  .news-mini{padding:14px 0}
  .nm-title{font-size:14px}
  .news-more .btn{width:100%;justify-content:center}

  .member-grid{gap:16px}
  .member-card{border-radius:18px;padding:18px}
  .member-account{font-size:15px}
  .member-intro{font-size:13px;line-height:1.6}
  .member-entry{flex-direction:column}
  .member-entry .btn{width:100%;justify-content:center}

  .party-grid{gap:16px}
  .party-card{padding:24px 20px;border-radius:18px}
  .party-title{font-size:19px}
  .party-desc{font-size:13px;line-height:1.65}

  .follow-grid{gap:16px;max-width:420px;margin:0 auto}
  .qr-card{padding:24px 18px;border-radius:18px}
  .qr-name{font-size:15px}

  .cta-inner{padding:36px 20px;border-radius:20px}
  .cta-title{font-size:24px}
  .cta-desc{font-size:14px;line-height:1.7}
  .contact-grid{gap:14px}
  .contact-card{padding:18px;border-radius:16px}
  .cc-value{font-size:14px}
  .cta-inner > a.btn{width:100%;justify-content:center;box-sizing:border-box}
}