/* ============================================================
   AI GPU 计算租赁平台 — 前端样式
   深蓝科技风，参照 1.jpg / 2.jpg / 3.jpg
   ============================================================ */
:root {
  --bg: #04081c;
  --card: linear-gradient(180deg, #0a1230 0%, #070d24 100%);
  --card-inner: #0d1640;
  --border: rgba(84, 112, 255, 0.16);
  --border-strong: rgba(96, 130, 255, 0.35);
  --text: #e8eeff;
  --text-dim: #93a5d4;
  --purple: #7c8cff;
  --cyan: #38c6ff;
  --blue-1: #2563eb;
  --blue-2: #3b82f6;
  --grad-title: linear-gradient(92deg, #35e0ff 0%, #6d8bff 55%, #a06bff 100%);
  --grad-btn: linear-gradient(180deg, #2f6bff 0%, #2453d6 100%);
  --radius: 18px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { background: var(--bg); }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background:
    radial-gradient(1000px 480px at 85% -5%, rgba(46, 70, 200, 0.28), transparent 60%),
    radial-gradient(760px 420px at 0% 30%, rgba(80, 40, 180, 0.16), transparent 60%),
    var(--bg);
  color: #04f6c7;
  min-height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  padding: 0 14px 96px;
  font-size: 14px;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- 顶部栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 2px 10px;
  background: linear-gradient(180deg, rgba(4, 8, 28, 0.96), rgba(4, 8, 28, 0.75) 75%, transparent);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; letter-spacing: 0.5px; }
.brand .logo-dot {
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, #35e0ff, #7c5cff);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; color: #04102c; font-weight: 900;
}
.lang-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 999px;
  background: rgba(60, 90, 220, 0.14);
  border: 1px solid var(--border-strong);
  color: var(--text); font-size: 12.5px; cursor: pointer;
}
.lang-pill svg { width: 15px; height: 15px; stroke: var(--cyan); }

/* ---------- 顶部轮播图 ---------- */
.carousel {
  position: relative;
  height: clamp(220px, 60vw, 320px);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  margin-bottom: 16px;
  box-shadow: 0 14px 40px rgba(25, 50, 160, 0.3);
  touch-action: pan-y;
}
.car-track {
  display: flex;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.22, 0.8, 0.3, 1);
}
.car-slide {
  min-width: 100%; height: 100%;
  position: relative;
  background-size: cover;
  background-position: center;
  display: flex; align-items: flex-end;
}
.car-slide::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 85% 15%, rgba(35, 70, 220, 0.28), transparent 55%),
    linear-gradient(180deg, rgba(4, 8, 28, 0.10) 30%, rgba(4, 8, 28, 0.88) 82%);
}
.car-content { position: relative; z-index: 2; padding: 18px 18px 20px; width: 100%; }
.car-tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1px;
  color: #9fe0ff; padding: 4px 10px; border-radius: 999px;
  background: rgba(40, 120, 255, 0.2); border: 1px solid var(--border-strong);
  margin-bottom: 8px; backdrop-filter: blur(4px);
}
.car-content h3 {
  font-size: 21px; font-weight: 900; color: #fff; margin-bottom: 4px;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.55);
}
.car-content p {
  font-size: 12.5px; color: #c9d6f5; margin-bottom: 12px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.55);
}
.car-dots {
  position: absolute; z-index: 3; bottom: 12px; right: 14px;
  display: flex; gap: 6px;
}
.car-dot {
  width: 7px; height: 7px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.35); border: none; padding: 0; cursor: pointer;
  transition: all 0.25s ease;
}
.car-dot.active { width: 20px; background: #5ec2ff; box-shadow: 0 0 8px rgba(80, 190, 255, 0.8); }
.car-btn {
  position: absolute; z-index: 3; top: 50%; transform: translateY(-50%);
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(8, 14, 40, 0.55); border: 1px solid var(--border-strong);
  color: #dfe9ff; font-size: 18px; line-height: 1; cursor: pointer;
  display: none; align-items: center; justify-content: center;
  backdrop-filter: blur(6px);
  transition: background 0.15s ease;
}
.car-btn:hover { background: rgba(40, 80, 220, 0.55); }
.car-btn.prev { left: 12px; }
.car-btn.next { right: 12px; }

/* ---------- 区块卡片 ---------- */
.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  margin-bottom: 16px;
  overflow: hidden;
  position: relative;
}
.sec-badge {
  display: flex; align-items: baseline; gap: 8px;
  margin-bottom: 14px;
}
.sec-badge .num {
  color: var(--purple); font-weight: 900; font-size: 18px; letter-spacing: 1px;
}
.sec-badge .divider { color: rgba(124, 140, 255, 0.55); font-weight: 300; }
.sec-badge .name { font-weight: 800; font-size: 16.5px; }

/* ---------- Hero (01) ---------- */
.hero-title { margin: 6px 0 2px; position: relative; z-index: 2; }
.hero-title .l1 {
  font-size: 46px; font-weight: 900; line-height: 1.05; letter-spacing: 0.5px;
  background: var(--grad-title);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 34px rgba(80, 150, 255, 0.25);
}
.hero-title .l2 { font-size: 27px; font-weight: 800; color: #04f595; }
.gpu-visual {
  position: relative; margin: 4px 0 12px; height: 150px;
  display: flex; align-items: center; justify-content: center;
}
.gpu-card {
  width: 78%; height: 92px; border-radius: 14px;
  background: linear-gradient(160deg, #101a44 0%, #0a1128 60%, #0d1836 100%);
  border: 1px solid rgba(110, 140, 255, 0.35);
  box-shadow: 0 14px 40px rgba(30, 60, 190, 0.35), inset 0 0 24px rgba(60, 100, 255, 0.12);
  display: flex; align-items: center; justify-content: space-evenly;
  position: relative; z-index: 2;
}
.fan {
  width: 56px; height: 56px; border-radius: 50%;
    background: radial-gradient(circle at center, rgb(17 144 112 / 95%) 26%, rgb(142 2 48 / 50%) 30%, rgb(11 17 16 / 90%) 34%, rgb(109 64 64 / 91%) 46%, rgba(10, 16, 44, 0.95) 50%), radial-gradient(circle, #131d4a 0%, #0b1230 70%);
    border: 1px solid rgb(238 221 2 / 87%);
    box-shadow: 0 0 18px rgba(60, 120, 255, 0.45), inset 0 0 10px rgb(10 82 233 / 35%);
    position: relative;
}
.fan::after {
  content: ""; position: absolute; inset: 12px; border-radius: 50%;
  border: 2px dashed rgba(140, 180, 255, 0.5);
  animation: spin 9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.gpu-glow {
  position: absolute; bottom: -4px; width: 88%; height: 46px; border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(64, 110, 255, 0.5) 0%, rgba(64, 110, 255, 0.12) 55%, transparent 75%);
  filter: blur(4px);
}
.hero-points { display: flex; flex-direction: column; gap: 4px; margin: 2px 0 12px; }
.hero-points span { color: #08e9ec; font-size: 14.5px; }
.hero-points span::before { content: "·"; color: var(--cyan); margin-right: 8px; font-weight: 900; }
.hero-desc { color: #08e9ec; margin-bottom: 16px; }

/* ---------- 统计条 ---------- */
.stats { display: flex; gap: 10px; margin-bottom: 16px; }
.stat {
  flex: 1; text-align: center; padding: 12px 4px;
  background: rgba(30, 50, 140, 0.14);
  border: 1px solid #08e9ec; border-radius: 14px;
}
.stat b { display: block; font-size: 17px; background: var(--grad-title); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { font-size: 11.5px; color: #08e9ec; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 22px; border-radius: 12px; border: none; cursor: pointer;
  background: #54cbcc; color: #f706b6; font-size: 14px; font-weight: 700;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.btn:active { transform: scale(0.97); }
.btn.block { width: 100%; }
.btn.ghost {
  background: rgba(60, 95, 230, 0.12); border: 1px solid var(--border-strong);
  box-shadow: none; color: #06f2d1;
}
.btn.sm { padding: 9px 16px; font-size: 13px; border-radius: 10px; }
.btn .arrow { font-size: 15px; }

/* ---------- 时间线 (02) ---------- */
.timeline { display: flex; flex-direction: column; }
.step { display: flex; gap: 14px; position: relative; padding-bottom: 22px; }
.step:last-child { padding-bottom: 0; }
.step::before {
  content: ""; position: absolute; left: 21px; top: 46px; bottom: 2px; width: 2px;
  background: linear-gradient(180deg, rgba(110, 140, 255, 0.55), rgba(110, 140, 255, 0.08));
}
.step:last-child::before { display: none; }
.step-icon {
  flex: 0 0 44px; width: 44px; height: 44px; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #1b2a66, #0c1234 70%);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 16px rgba(70, 110, 255, 0.3);
  z-index: 1;
}
.step-icon svg { width: 20px; height: 20px; stroke: #8fb4ff; }
.step-body { flex: 1; padding-top: 2px; }
.step-body b { display: block; font-size: 15px; margin-bottom: 3px; }
.step-body p { color: #07e6f5; font-size: 15px; }

/* ---------- 2x2 能力网格 (03) ---------- */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cap {
  background: var(--card-inner);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 18px 14px; text-align: center;
}
.cap svg { width: 34px; height: 36px; stroke: #ee7f7f; margin: 0 auto 10px; display: block; }
.cap b { display: block; color: #08ee05; font-size: 20px; margin-bottom: 10px; }
.cap p { color: #7c5cff; font-size: 15px; line-height: 1.5; }

/* ---------- 节点卡片 (04 / 节点页) ---------- */
.node-list { display: flex; flex-direction: column; gap: 12px; }
.node-card {
  background: var(--card-inner);
  border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  transition: border-color 0.15s ease;
}
.node-card:active { border-color: var(--border-strong); }
.node-card .thumb { position: relative; }
.node-card .thumb img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.node-card .thumb::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(7, 11, 30, 0.92));
}
.node-card .body { padding: 12px 14px 14px; }
.node-card h3 { font-size: 16.5px; margin-bottom: 2px; }
.node-card .desc { color: #7fd4ff; font-size: 12.5px; margin-bottom: 6px; }
.node-card .mem { color: var(--text-dim); font-size: 12px; margin-bottom: 12px; }
.node-specs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.chip {
  padding: 5px 10px; border-radius: 8px; font-size: 11.5px;
  background: rgba(60, 95, 230, 0.12); border: 1px solid var(--border);
  color: #cfe0ff;
}
.chip b { color: #8fe0ff; font-weight: 700; }

/* ---------- 05 原因列表 ---------- */
.reasons { display: flex; flex-direction: column; gap: 12px; }
.reason {
  display: flex; gap: 14px; align-items: flex-start;
  background: rgba(20, 34, 90, 0.22);
  border: 1px solid var(--border);
  border-radius: 13px; padding: 14px;
}
.reason-icon {
  flex: 0 0 40px; width: 40px; height: 40px; border-radius: 11px;
  background: radial-gradient(circle at 30% 25%, #1b2a66, #0c1234 75%);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
}
.reason-icon svg { width: 19px; height: 19px; stroke: #8fb4ff; }
.reason b { display: block; color: #05f526; font-size: 25px; margin-bottom: 4px; }
.reason p { color: #07e3f2; font-size: 15.5px; }

/* ---------- 06 全球访问 ---------- */
.global-card { text-align: left; position: relative; }
.global-card::before {
  content: ""; position: absolute; right: -60px; bottom: -80px; width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(60, 110, 255, 0.28) 0%, rgba(60, 110, 255, 0.06) 55%, transparent 72%);
  pointer-events: none;
}
.global-desc { color: #05f9ca; margin-bottom: 30px; }
.features { display: flex; justify-content: space-between; gap: 6px; }
.feature { flex: 1; text-align: center; }
.feature svg { width: 20px; height: 20px; stroke: #e99a9a; display: block; margin: 0 auto 6px; }
.feature span { font-size: 11px; color: #05f9ca; display: block; }

/* ---------- 节点页 ---------- */
.page-hero {
  background: var(--card); border: 1px solid #05e1afab; border-radius: var(--radius);
  padding: 20px 16px; margin-bottom: 14px;
}
.page-hero h2 { font-size: 35px; margin-bottom: 14px; }
.page-hero .l1 { background: var(--grad-title); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero p { color: #05eee5;; font-size: 16px; }
.wallet-cards { display: flex; gap: 10px; margin: 14px 0; }
.wallet-card {
  flex: 1; background: rgb(6 1 53);
  border: 1px solid rgb(226 233 6 / 44%); border-radius: 14px; padding: 12px 10px; text-align: center;
}
.wallet-card b { display: block; font-size: 17px; color: #8fe0ff; margin-bottom: 3px; }
.wallet-card span { font-size: 11px; color: var(--text-dim); }
.subs-box { margin-top: 16px; }
.subs-box h4 { font-size: 26px; margin-bottom: 50px; color: #75f005; }
.sub-item {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(20, 34, 90, 0.25); border: 1px solid var(--border);
  border-radius: 12px; padding: 11px 13px; margin-bottom: 8px; font-size: 13px;
}
.sub-item .n { font-weight: 700; }
.sub-item .d { color: #7fe0b0; font-size: 12px; }
.sub-item .t { color: var(--text-dim); font-size: 11.5px; }
.empty { text-align: center; color: #06ddf9; font-size: 12.5px; padding: 2px 0; }

/* ---------- 我的页 ---------- */
.profile-head {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 16px; margin-bottom: 14px;
}
.avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, #35e0ff, #7c5cff);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: #04102c; font-weight: 900; flex-shrink: 0;
}
.profile-head .info { flex: 1; min-width: 0; }
.profile-head .name { font-size: 17px; font-weight: 800; }
.profile-head .sub { color: var(--text-dim); font-size: 12px; margin-top: 2px; }
.vip-tag {
  font-size: 11px; padding: 4px 10px; border-radius: 999px;
  background: linear-gradient(135deg, rgba(53, 224, 255, 0.18), rgba(124, 92, 255, 0.22));
  border: 1px solid var(--border-strong); color: #bfe9ff;
}
.asset-card {
  background: linear-gradient(135deg, #101a48 0%, #0a1132 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius); padding: 18px 16px; margin-bottom: 14px;
  box-shadow: 0 10px 30px rgba(25, 50, 160, 0.25);
}
.asset-card .label { font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.asset-card .amount { font-size: 30px; font-weight: 900; letter-spacing: 0.5px; }
.asset-row { display: flex; gap: 10px; margin-top: 14px; }
.asset-row .cell { flex: 1; }
.asset-row .cell b { display: block; font-size: 15px; color: #8fe0ff; }
.asset-row .cell span { font-size: 11.5px; color: var(--text-dim); }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 14px; }
.quick {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px 6px; text-align: center; cursor: pointer; display: block;
}
.quick svg { width: 22px; height: 22px; stroke: #8fb4ff; display: block; margin: 0 auto 7px; }
.quick span { font-size: 11.5px; color: var(--text-dim); }
.menu {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; margin-bottom: 14px;
}
.menu-item {
  display: flex; align-items: center; gap: 12px;
  padding: 15px 16px; border-bottom: 1px solid rgba(84, 112, 255, 0.09);
  cursor: pointer; font-size: 14px;
}
.menu-item:last-child { border-bottom: none; }
.menu-item svg { width: 19px; height: 19px; stroke: #8fb4ff; flex-shrink: 0; }
.menu-item .grow { flex: 1; }
.menu-item .val { color: var(--text-dim); font-size: 12.5px; }
.menu-item .chev { color: rgba(150, 170, 220, 0.5); font-size: 16px; }

/* ---------- 登录/注册 ---------- */
.auth-wrap { padding-top: 8vh; }
.auth-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 22px; padding: 28px 22px;
}
.auth-logo {
  width: 58px; height: 58px; border-radius: 18px; margin: 0 auto 16px;
  background: linear-gradient(135deg, #35e0ff, #7c5cff);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 22px; color: #04102c;
  box-shadow: 0 10px 30px rgba(70, 120, 255, 0.35);
}
.auth-card h1 { text-align: center; font-size: 22px; margin-bottom: 4px; }
.auth-card .sub { text-align: center; color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12.5px; color: var(--text-dim); margin-bottom: 7px; }
.field input {
  width: 100%; padding: 13px 14px; border-radius: 12px;
  background: rgba(15, 24, 62, 0.8); border: 1px solid var(--border-strong);
  color: var(--text); font-size: 14px; outline: none;
}
.field input:focus { border-color: #5a8dff; box-shadow: 0 0 0 3px rgba(70, 120, 255, 0.15); }
.auth-switch { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-dim); }
.auth-switch a { color: #6da8ff; font-weight: 700; }

/* ---------- 底部导航（3 键） ---------- */
.bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px; z-index: 60;
  display: flex;
  background: rgba(7, 11, 32, 0.97);
  border-top: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  padding: 8px 0 calc(10px + env(safe-area-inset-bottom));
}
.bottom-nav a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  color: #f7c90a; font-size: 15px; padding: 4px 0;
}
.bottom-nav a svg { width: 23px; height: 23px; stroke: rgb(4 238 173); }
.bottom-nav a.active { color: #daf50c; }
.bottom-nav a.active svg { filter: drop-shadow(0 0 8px rgba(80, 180, 255, 0.6)); }

/* ---------- 语言面板 ---------- */
.mask {
  position: fixed; inset: 0; background: rgba(2, 5, 16, 0.7); z-index: 80;
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.mask.show { opacity: 1; pointer-events: auto; }
.sheet {
  position: fixed; left: 50%; bottom: 0; transform: translate(-50%, 105%);
  width: 100%; max-width: 480px; z-index: 90;
  background: #0a1028; border: 1px solid var(--border-strong); border-bottom: none;
  border-radius: 22px 22px 0 0; padding: 20px 18px calc(24px + env(safe-area-inset-bottom));
  transition: transform 0.25s ease;
}
.sheet.open { transform: translate(-50%, 0); }
.sheet-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.sheet-head b { font-size: 15.5px; }
.sheet-head span { color: var(--text-dim); font-size: 12.5px; }
.lang-opts { display: flex; flex-direction: column; gap: 8px; }
.lang-opt {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 15px; border-radius: 12px; cursor: pointer;
  background: rgba(25, 40, 100, 0.2); border: 1px solid var(--border); font-size: 14px;
}
.lang-opt.active { border-color: #4d8dff; background: rgba(50, 90, 220, 0.18); }
.lang-opt .check { color: #5ec2ff; font-weight: 900; visibility: hidden; }
.lang-opt.active .check { visibility: visible; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; top: 18%; transform: translate(-50%, -12px);
  max-width: 78%; z-index: 100;
  background: rgba(12, 20, 52, 0.96); border: 1px solid var(--border-strong);
  color: #dfe9ff; font-size: 13px; padding: 11px 18px; border-radius: 12px;
  opacity: 0; pointer-events: none; transition: all 0.25s ease; text-align: center;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 页脚 ---------- */
.foot {
  text-align: center; color: rgb(247 237 3);
  font-size: 15.5px; padding: 18px 0 6px;
}

@media (max-width: 360px) {
  .hero-title .l1 { font-size: 38px; }
  .hero-title .l2 { font-size: 22px; }
  .quick-grid { grid-template-columns: repeat(4, 1fr); gap: 7px; }
}

/* ---------- 平板 / 桌面自适应 ---------- */
@media (min-width: 640px) {
  body { max-width: 720px; padding: 0 20px 110px; }
  .bottom-nav { max-width: 720px; }
  .carousel { height: 340px; }
  .car-btn { display: flex; }
  .car-content { padding: 24px 24px 26px; }
  .car-content h3 { font-size: 27px; }
  .car-content p { font-size: 14px; }
  .hero-title .l1 { font-size: 56px; }
  .hero-title .l2 { font-size: 32px; }
  .node-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .node-card .thumb img { aspect-ratio: 16 / 8; }
  .grid2 { gap: 14px; }
  .section { padding: 24px 20px; }
  .quick-grid { gap: 12px; }
}

@media (min-width: 1024px) {
  body { max-width: 1020px; padding: 0 28px 120px; }
  .bottom-nav { max-width: 1020px; }
  .carousel { height: 420px; }
  .car-content h3 { font-size: 32px; }
  .car-content p { font-size: 15px; }
  .node-list { grid-template-columns: repeat(4, 1fr); }
  .node-card .thumb img { aspect-ratio: 16 / 10; }
  .node-card .body { padding: 14px 16px 16px; }
  .hero-title .l1 { font-size: 64px; }
  .hero-title .l2 { font-size: 36px; }
  .stats .stat b, .wallet-card b { font-size: 20px; }
  .grid2 { gap: 16px; }
  .cap { padding: 24px 16px; }
  .reason { padding: 16px 18px; }
  .asset-card { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; align-items: center; }
  .asset-card .asset-row { margin-top: 0; }
}