/* ================= Header ================= */

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(11,15,20,.78);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}

body.light .site-header{
  background:#ffffff;
}

.nav{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.logo img{ height:34px; width:auto; display:block; }

/* ================= 顶部公告条 ================= */

.announce{
  border-bottom:1px solid var(--border);
  background: linear-gradient(90deg, rgba(255,211,106,.10), rgba(59,130,246,.08));
}

.announce .bar{
  height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size:13px;
  color: var(--muted);
}

.announce .badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,211,106,.28);
  background: rgba(255,211,106,.08);
  color: var(--text);
  white-space:nowrap;
}

.announce .marquee{
  overflow:hidden;
  flex:1;
  white-space:nowrap;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.announce .marquee span{
  display:inline-block;
  padding-left: 100%;
  animation: marquee 18s linear infinite;
}

@keyframes marquee{
  0%{ transform: translateX(0); }
  100%{ transform: translateX(-100%); }
}

.announce .right{
  display:flex;
  gap:10px;
  align-items:center;
  white-space:nowrap;
}

/* ================= Navigation ================= */

.menu-pc{
  display:flex;
  align-items:center;
  gap:18px;
}

.menu-mobile{
  display:none;
  gap:4px;
  align-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  border-radius:999px;
  padding:4px;
}

body.light .menu-mobile{
  background:rgba(0,0,0,.04);
}

@media(max-width:768px){
  .menu-pc{display:none !important;}
  .menu-mobile{display:flex;}
}

/* 汉堡按钮 */
.hamburger{
  width:32px;
  height:32px;
  border-radius:50%;
  border:none;
  background:transparent;
  color:var(--text);
  font-size:18px;
  cursor:pointer;
  transition:.2s;
}

.hamburger:hover{
  background:rgba(255,255,255,.12);
}

body.light .hamburger:hover{
  background:rgba(0,0,0,.08);
}

/* Mobile dropdown */
.mobile-menu{
  display:none;
  position:absolute;
  top:64px;
  left:0;
  width:100%;
  background:var(--panel);
  border-bottom:1px solid var(--border);
  z-index:999;
}

.mobile-menu.show{
  display:block;
}

.mobile-menu a{
  display:block;
  padding:14px 20px;
  border-top:1px solid var(--border);
}

/* ================= Hero ================= */

/* 暗黑模式 Hero */
.hero{
  padding:44px 0 34px;
  background:
    radial-gradient(900px 460px at 18% 8%, rgba(255,211,106,.12), transparent 60%),
    radial-gradient(900px 500px at 82% 12%, rgba(59,130,246,.14), transparent 62%),
    linear-gradient(to bottom, rgba(11,15,20,.90), rgba(11,15,20,.98));
}

/* 明亮模式 Hero（图一效果） */
body.light .hero{
  background:
    radial-gradient(
      1200px 500px at 50% -200px,
      rgba(59,130,246,.18),
      transparent 70%
    ),
    linear-gradient(
      to bottom,
      #f8fbff,
      #eef4ff
    );
}

body.light .searchbox,
body.light .pill,
body.light .gtag{
  border:1px solid rgba(2,6,23,.10);
  background: rgba(2,6,23,.03);
}

body.light .panel,
body.light .core-card,
body.light .stat,
body.light .hero-card{
  border:1px solid rgba(2,6,23,.08);
}

body.light .panel .hd{
  border-bottom:1px solid rgba(2,6,23,.08);
  background: linear-gradient(90deg, rgba(184,134,11,.10), rgba(37,99,235,.06));
}

.hero-inner{
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:22px;
}

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

.hero h1{
  font-size:38px;
  font-weight:800;
  letter-spacing:.6px;
  margin:0;
}

.hero p{
  margin-top:12px;
  line-height:1.7;
  color:var(--muted);
}

.hero-actions{
  margin-top:20px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* Hero card */
.hero-card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}

.hero-card{ padding:16px 18px; }

.hero-card h3{ margin:0 0 10px; font-size:15px; }

.hero-card ul{ list-style:none; margin:0; padding:0; color:var(--muted); line-height:1.85; }
.hero-card li{ display:flex; gap:8px; align-items:flex-start; }
.hero-card li + li{ margin-top:8px; }

/* 论坛感：搜索框 + 快捷入口 */
.forum-search{
  margin-top:18px;
  display:flex;
  gap:10px;
  align-items:center;
}

.searchbox{
  flex:1;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}

.searchbox .icon{ opacity:.9; }

.searchbox input{
  flex:1;
  border:0;
  outline:0;
  background:transparent;
  color:var(--text);
  font-size:14px;
}

.pills{
  margin-top:14px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  font-size:13px;
  transition:.18s;
}

.pill:hover{
  color: var(--text);
  border-color: rgba(255,211,106,.35);
  transform: translateY(-1px);
}

/* ================= Section ================= */

.section{
  padding:48px 0;
}

body.light .section{
  background:
    linear-gradient(
      to bottom,
      #f8fafc,
      #f4f7fb
    );
}

/* ================= 核心板块 ================= */

.core-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

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

.core-card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:24px;
  transition:.25s;
}

.core-card:hover{
  transform:translateY(-4px);
  border-color: rgba(255,211,106,.38);
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}

.core-card .meta{
  margin-top:10px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  color:var(--muted);
  font-size:12px;
}

/* ================= 热门推荐（推荐群组模块） ================= */

.split{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:20px;
}

@media(max-width:900px){
  .split{ grid-template-columns:1fr; }
}

.panel{
  background: var(--panel2);
  border:1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow:hidden;
  box-shadow: var(--shadow);
}

.panel .hd{
  padding:16px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  border-bottom:1px solid rgba(255,255,255,.08);
  background: linear-gradient(90deg, rgba(255,211,106,.10), rgba(59,130,246,.06));
}

.panel .hd h3{ margin:0; font-size:14px; }

/* 群组列表：不依赖 RSS，纯静态 + JS 渲染 */
.groups{
  padding: 12px 12px 14px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 560px){
  .groups{ padding: 14px 14px 16px; }
}

.gitem{
  border-radius: 14px;
  padding: 12px 12px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.18);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  transition: .18s;
}

.gitem:hover{
  background: rgba(255,255,255,.03);
  border-color: rgba(120,170,255,.28);
  transform: translateY(-1px);
}

.gname{
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gdesc{
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gtags{
  margin-top: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.gtag{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  color: rgba(255,255,255,.78);
  font-size: 12px;
}

.gtag.hot{
  color: rgba(0,0,0,.86);
  background: rgba(255, 184, 0, .95);
  border-color: rgba(255, 184, 0, .45);
}

.gactions{
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.gbtn{
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.90);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
  cursor: pointer;
}

.gbtn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.18);
}

/* ================= 推荐接码平台（右侧） ================= */

.plat-list{
  padding: 12px 12px 10px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.plat-item{
  border-radius: 14px;
  padding: 12px 12px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.18);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  transition: .18s;
}

.plat-item:hover{
  background: rgba(255,255,255,.03);
  border-color: rgba(120,170,255,.28);
  transform: translateY(-1px);
}

.plat-name{
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.plat-desc{
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.plat-tags{
  margin-top: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ptag{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  color: rgba(255,255,255,.78);
  font-size: 12px;
}

.pbtn{
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 12px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.90);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}

.pbtn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.18);
}

.plat-note{
  padding: 0 12px 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.plat-note{
  padding: 0 16px 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

body.light .core-card,
body.light .hero-card{
  box-shadow:0 8px 24px rgba(15,23,42,.06);
}

/* ================= 社区数据 ================= */

.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

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

.stat{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);
  padding:28px 20px;
  text-align:center;
}

.stat strong{
  display:block;
  font-size:28px;
  margin-bottom:6px;
}

body.light .stat{
  box-shadow:0 8px 24px rgba(15,23,42,.06);
}

/* ================= 用户评价 / 感受 ================= */

.reviews-section{
  padding-top:24px;
}

.reviews-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:18px;
}

@media(max-width:768px){
  .reviews-head{
    flex-direction:column;
    align-items:flex-start;
  }
}

.reviews-sub{
  margin:10px 0 0;
  color:var(--muted);
  line-height:1.7;
}

.reviews-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.reviews-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}

@media(max-width:980px){
  .reviews-grid{
    grid-template-columns:repeat(2,1fr);
  }
}

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

.review-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:12px;
  padding:18px 18px 16px;
  position:relative;
  overflow:hidden;
  transition:.25s;
}

.review-card::before{
  content:"“";
  position:absolute;
  top:10px;
  right:14px;
  font-size:44px;
  line-height:1;
  opacity:.10;
}

.review-card:hover{
  transform:translateY(-3px);
}

body.light .review-card{
  box-shadow:0 8px 24px rgba(15,23,42,.06);
}

.review-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:12px;
}

.review-stars{
  letter-spacing:2px;
  font-size:12px;
  color:rgba(255,211,106,.95);
}

.review-tag{
  font-size:12px;
  color:rgba(255,211,106,.9);
  background:rgba(255,211,106,.08);
  border:1px solid rgba(255,211,106,.18);
  padding:4px 10px;
  border-radius:999px;
}

.review-text{
  line-height:1.7;
  color:rgba(229,231,235,.92);
}

body.light .review-text{
  color:rgba(15,23,42,.92);
}

.review-meta{
  margin-top:12px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:12px;
  color:var(--muted);
}

.review-dot{
  opacity:.5;
}


/* ================= Footer ================= */

.site-footer{
  margin-top:64px;
  padding:32px 0;
  background:
    linear-gradient(
      to bottom,
      rgba(11,15,20,.95),
      rgba(11,15,20,1)
    );
  border-top:1px solid var(--border);
}

body.light .site-footer{
  background:#f8fafc;
}

.footer{
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}

.footer a{
  color:var(--muted);
  transition:.2s;
}

.footer a:hover{
  color:var(--text);
}

@media(min-width:768px){
  .footer{
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
  }
}