/* ============================================================
   WebToIPA 官网首页 — 复刻 LovePay 首页设计（V0.1 参考）
   固定背景图 + 玻璃胶囊导航 + Hero 3D 轮播 + 能力网格 + 代码窗口 + 跑马灯
   ============================================================ */
:root {
  --lp-bg: #0b1220;
  --lp-teal: #5eead4;
  --lp-grad: linear-gradient(100deg, #ff2e93 0%, #0088ff 50%, #00f0ff 100%);
  --lp-text: rgba(255, 255, 255, 0.85);
  --lp-muted: rgba(255, 255, 255, 0.6);
  --lp-faint: rgba(255, 255, 255, 0.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--lp-bg);
  color: #fff;
}

.lp-page { min-height: 100vh; color: #fff; position: relative; overflow-x: clip; }
section[id] { scroll-margin-top: 92px; }

/* ---------- 固定背景层 ---------- */
.bg-layer { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.bg-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  animation: bg-fade 2.4s ease backwards;
}
@keyframes bg-fade { from { opacity: 0; } to { opacity: 1; } }
.bg-mask { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.4); }

/* ---------- 玻璃胶囊导航 ---------- */
.nav-wrap { position: sticky; top: 16px; z-index: 40; padding: 0 16px; transition: transform 0.3s; }
.nav-wrap.hide { transform: translateY(-120%); }
.nav {
  max-width: 1080px; margin: 0 auto; height: 56px; display: flex; align-items: center;
  gap: 24px; padding: 0 20px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25); background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.nav-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.nav-logo-img { height: 26px; width: auto; }
.nav-logo-name { font-size: 16px; font-weight: 800; letter-spacing: .2px; color: #fff; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 8px; font-size: 14px; }
.nav-link {
  padding: 8px 12px; border-radius: 10px; color: rgba(255, 255, 255, 0.85);
  font-weight: 500; transition: all 0.25s; text-decoration: none;
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.1); }
.nav-btn {
  padding: 8px 16px; border-radius: 999px; color: #fff; font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.35); background: rgba(255, 255, 255, 0.12);
  cursor: pointer; text-decoration: none; transition: all 0.25s; font-size: 14px;
}
.nav-btn:hover { background: rgba(255, 255, 255, 0.22); }
.nav-user { display: flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2); background: rgba(255, 255, 255, 0.06); }
.nav-user .uname { font-size: 13px; font-weight: 600; color: rgba(255, 255, 255, 0.9); }
.nav-user .uout { font-size: 12.5px; color: rgba(255, 255, 255, 0.6); text-decoration: none; }
.nav-user .uout:hover { color: #ff7b72; }

/* ---------- Hero ---------- */
.hero { position: relative; z-index: 10; display: flex; align-items: center; min-height: calc(100vh - 40px); }
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 72px 24px 60px; width: 100%;
  display: flex; align-items: center; gap: 48px;
}
.hero-text { flex: 1.1; min-width: 0; }
.hero-eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--lp-teal);
}
.hero-title { margin-top: 20px; font-size: 58px; line-height: 1.12; font-weight: 700; letter-spacing: -0.02em; }
.hero-brand { display: block; -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.9); color: transparent; }
.hero-gradient {
  display: block; margin-top: 12px;
  background: var(--lp-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc { margin-top: 24px; max-width: 520px; font-size: 17px; line-height: 1.8; color: rgba(255, 255, 255, 0.7); }
.hero-actions { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  padding: 15px 36px; border-radius: 999px; font-size: 16px; font-weight: 600;
  text-decoration: none; transition: all 0.3s; border: 1px solid rgba(255, 255, 255, 0.25);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary { background: rgba(255, 255, 255, 0.14); color: #fff; backdrop-filter: blur(4px); }
.btn-primary:hover { background: rgba(255, 255, 255, 0.24); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: rgba(255, 255, 255, 0.9); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

/* ---------- Hero 3D coverflow 轮播 ---------- */
.hero-card { flex: 1; max-width: 520px; position: relative; }
.carousel {
  position: relative; aspect-ratio: 16 / 10; cursor: grab; touch-action: pan-y;
  user-select: none; perspective: 1500px;
}
.carousel:active { cursor: grabbing; }
.carousel-3d { position: absolute; inset: 0; transform-style: preserve-3d; }
.carousel-item {
  position: absolute; inset: 0; overflow: hidden; border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.15); box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.carousel-img { height: 100%; width: 100%; object-fit: cover; }

/* ---------- 区块通用 ---------- */
.section { position: relative; z-index: 10; padding: 72px 24px 88px; }
.section-head { max-width: 640px; margin: 0 auto; text-align: center; }
.section-eyebrow { font-size: 12px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase; color: var(--lp-teal); }
.section-title { margin-top: 14px; font-size: 40px; font-weight: 600; letter-spacing: -0.01em; }
.section-sub { margin-top: 18px; font-size: 17px; color: rgba(255, 255, 255, 0.6); line-height: 1.7; }

/* ---------- 核心能力 ---------- */
.cap-grid {
  max-width: 1200px; margin: 56px auto 0; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px;
}
.cap-icon { font-size: 28px; color: var(--lp-teal); display: block; }
.cap-icon svg { width: 30px; height: 30px; }
.cap-title { margin-top: 16px; font-size: 19px; font-weight: 600; }
.cap-desc { margin-top: 10px; font-size: 15px; line-height: 1.75; color: rgba(255, 255, 255, 0.6); }

/* ---------- 打包表单（玻璃卡片） ---------- */
.pack-wrap { max-width: 640px; margin: 48px auto 0; }
.pack-card {
  border-radius: 20px; padding: 34px 36px;
  border: 1px solid rgba(255, 255, 255, 0.18); background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8);
}
.pack-note {
  margin-bottom: 22px; font-size: 13px; line-height: 1.8; color: rgba(255, 255, 255, 0.75);
  padding: 12px 16px; border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.05);
}
.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1.4fr; gap: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 7px; color: rgba(255, 255, 255, 0.85); }
.field label i { color: #ff6b6b; font-style: normal; }
.field .muted { color: rgba(255, 255, 255, 0.5); font-weight: 400; font-size: 12px; }
.field input[type="text"], .field input[type="url"], .field input[type="password"] {
  width: 100%; padding: 10px 13px; border-radius: 10px; font-size: 14.5px; color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22); background: rgba(0, 0, 0, 0.28);
  outline: none; transition: all 0.25s; font-family: inherit;
}
.field input:focus { border-color: var(--lp-teal); box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.15); }
.field input::placeholder { color: rgba(255, 255, 255, 0.35); }
.file-drop {
  position: relative; border: 1.5px dashed rgba(255, 255, 255, 0.28); border-radius: 12px;
  padding: 16px; text-align: center; cursor: pointer; transition: all 0.25s;
}
.file-drop:hover, .file-drop.dragover { border-color: var(--lp-teal); background: rgba(94, 234, 212, 0.06); }
.file-drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file-hint { font-size: 13px; color: rgba(255, 255, 255, 0.55); }
.file-hint.has-file { color: var(--lp-teal); font-weight: 600; }
.form-error {
  margin-top: 14px; color: #ffb3ac; font-size: 13.5px;
  background: rgba(255, 123, 114, 0.1); border: 1px solid rgba(255, 123, 114, 0.35);
  border-radius: 10px; padding: 10px 14px;
}
.btn-block { width: 100%; justify-content: center; margin-top: 4px; }
.btn-sm { padding: 8px 18px; font-size: 13.5px; }

/* 登录引导卡 */
.auth-gate { text-align: center; padding: 46px 30px; }
.auth-gate-ico { font-size: 42px; margin-bottom: 14px; }
.auth-gate h3 { font-size: 21px; font-weight: 700; margin-bottom: 10px; }
.auth-gate p { font-size: 14.5px; color: rgba(255, 255, 255, 0.65); margin-bottom: 24px; }
.auth-gate-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* 进度面板 */
.progress-panel { margin-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 22px; }
.pp-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.pp-head span { font-weight: 700; font-size: 15px; }
.pp-id { color: rgba(255, 255, 255, 0.45); font-size: 12px; font-family: ui-monospace, monospace; font-weight: 400; }
.pp-bar { height: 8px; border-radius: 99px; background: rgba(255, 255, 255, 0.1); overflow: hidden; margin-bottom: 18px; }
.pp-bar-fill { height: 100%; width: 0; background: var(--lp-grad); border-radius: 99px; transition: width 0.6s ease; }
.pp-steps { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 16px; }
.pp-steps li { display: flex; flex-direction: column; align-items: center; gap: 7px; font-size: 11.5px; color: rgba(255, 255, 255, 0.5); text-align: center; }
.st-ico {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800;
  transition: all 0.3s;
}
.pp-steps li.active .st-ico { border-color: var(--lp-teal); border-top-color: transparent; animation: spin 1s linear infinite; }
.pp-steps li.done .st-ico { border-color: var(--lp-teal); background: var(--lp-teal); color: #04240f; }
.pp-steps li.done .st-ico::before { content: '✓'; }
.pp-steps li.active { color: rgba(255, 255, 255, 0.85); }
.pp-steps li.done { color: var(--lp-teal); }
@keyframes spin { to { transform: rotate(360deg); } }
.pp-console {
  background: rgba(0, 0, 0, 0.35); border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px; padding: 14px 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.3px; line-height: 1.8;
  max-height: 240px; overflow-y: auto; color: rgba(255, 255, 255, 0.7);
  white-space: pre-wrap; word-break: break-all;
}
.pp-console .lg-step { color: #00f0ff; }
.pp-console .lg-ok { color: var(--lp-teal); }
.pp-console .lg-warn { color: #ffc859; }
.pp-console .lg-error { color: #ff7b72; }
.pp-result, .pp-fail { margin-top: 18px; text-align: center; }
.pp-success { font-size: 21px; font-weight: 800; margin-bottom: 8px; }
.pp-result-text { font-size: 13.5px; color: rgba(255, 255, 255, 0.6); margin-bottom: 18px; }
.pp-dl-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.pp-result-note {
  max-width: 440px; margin: 0 auto 14px; font-size: 12.5px; line-height: 1.75;
  color: #e8c98f; background: rgba(255, 193, 92, 0.08);
  border: 1px solid rgba(255, 193, 92, 0.25); border-radius: 10px; padding: 10px 14px;
}
.pp-result-note.warn-strong { color: #ffb3ac; background: rgba(255, 123, 114, 0.09); border-color: rgba(255, 123, 114, 0.4); font-weight: 600; }
.pp-fail p { color: #ffb3ac; margin-bottom: 16px; }

/* ---------- 代码窗口 ---------- */
.code-window {
  max-width: 860px; margin: 48px auto 0; overflow: hidden; border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12); background: #0b1220;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8);
}
.code-bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: rgba(248, 113, 113, 0.85); }
.dot.amber { background: rgba(251, 191, 36, 0.85); }
.dot.green { background: rgba(52, 211, 153, 0.85); }
.code-name { margin-left: 10px; font-family: ui-monospace, monospace; font-size: 12px; color: rgba(255, 255, 255, 0.45); }
.code-body {
  padding: 24px; font-family: ui-monospace, SFMono-Regular, monospace; font-size: 12.5px; line-height: 1.8;
  color: #e2e8f0; overflow-x: auto; white-space: pre;
}

/* ---------- 支持渠道（玻璃横条 + 自动滚动） ---------- */
.channels {
  position: relative; z-index: 10; padding: 40px 0;
  background: rgba(255, 255, 255, 0.02);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.channels-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.channels-title { text-align: center; font-size: 20px; font-weight: 600; }
.marquee {
  margin-top: 40px; overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
}
.marquee-track {
  display: flex; width: max-content; align-items: center; gap: 64px; padding-right: 64px;
  animation: marquee 45s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.brand-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 24px; border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1); background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  white-space: nowrap; transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.brand-item:hover {
  transform: translateY(-3px); border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12); box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
}
.brand-logo {
  height: 24px; width: auto; display: block;
  transition: filter 0.4s, transform 0.4s;
}
.brand-item:hover .brand-logo { filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.45)); transform: scale(1.08); }
.brand-name { font-size: 14px; font-weight: 600; color: rgba(255, 255, 255, 0.75); }

/* ---------- 页脚 ---------- */
.footer { position: relative; z-index: 10; background: rgba(0, 0, 0, 0.35); border-top: 1px solid rgba(255, 255, 255, 0.1); }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 64px 24px 40px; display: grid; gap: 40px; grid-template-columns: 1.5fr 1fr 1fr; }
.footer-logo { height: 30px; width: auto; }
.footer-desc { margin-top: 16px; max-width: 320px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, 0.45); }
.footer-col h4 { font-size: 14px; font-weight: 700; }
.footer-link { display: block; margin-top: 14px; font-size: 14px; color: rgba(255, 255, 255, 0.85); text-decoration: none; transition: all 0.25s; }
.footer-link:hover { color: #00f0ff; transform: translateX(4px); }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding: 20px 24px; border-top: 1px solid rgba(255, 255, 255, 0.1); display: flex; justify-content: space-between; font-size: 12px; color: rgba(255, 255, 255, 0.55); }

/* ---------- 用户控制台 ---------- */
.console-page { position: relative; z-index: 10; padding: 44px 24px 90px; }
.console-inner { max-width: 1080px; margin: 0 auto; }
.console-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.console-head h1 { font-size: 30px; font-weight: 800; letter-spacing: -0.01em; }
.console-head p { color: rgba(255, 255, 255, 0.55); font-size: 14px; margin-top: 8px; }
.quick-row { display: flex; gap: 12px; flex-wrap: wrap; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 26px; }
.stat-card {
  border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.06);
  border-radius: 16px; padding: 20px; backdrop-filter: blur(6px);
}
.stat-card b {
  display: block; font-size: 27px; font-weight: 800; word-break: break-all;
  background: linear-gradient(100deg, #ff2e93 0%, #0088ff 50%, #00f0ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-card span { display: block; margin-top: 4px; font-size: 13px; color: rgba(255, 255, 255, 0.55); }
.console-card {
  border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.05);
  border-radius: 18px; padding: 24px; backdrop-filter: blur(6px);
}
.console-card h2 { font-size: 17px; font-weight: 700; margin-bottom: 16px; }
.console-empty { font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.console-empty a { color: #5eead4; }
.table-scroll { overflow-x: auto; }
.console-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 640px; }
.console-table th {
  text-align: left; color: rgba(255, 255, 255, 0.5); font-size: 12px; font-weight: 600;
  padding: 10px 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.console-table td { padding: 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); vertical-align: middle; }
.console-table tr:last-child td { border-bottom: 0; }
.console-table tr:hover td { background: rgba(255, 255, 255, 0.03); }
.cell-name { font-weight: 600; }
.cell-sub { font-size: 12px; color: rgba(255, 255, 255, 0.45); font-weight: 400; font-family: ui-monospace, monospace; }
.cell-url a { font-size: 12.5px; color: rgba(255, 255, 255, 0.55); text-decoration: none; }
.cell-url a:hover { color: #5eead4; }
.cell-time { font-size: 12.5px; color: rgba(255, 255, 255, 0.5); white-space: nowrap; }
.cell-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.err-text { font-size: 12px; color: #ff7b72; }
.badge { display: inline-block; padding: 3px 11px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge-done { background: rgba(94, 234, 212, 0.15); color: #5eead4; }
.badge-fail { background: rgba(255, 123, 114, 0.15); color: #ff7b72; }
.badge-run { background: rgba(108, 138, 255, 0.18); color: #8fb0ff; }
.badge-wait { background: rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.6); }
.del-btn { color: rgba(255, 123, 114, 0.85); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .hero-inner { flex-direction: column; padding-top: 48px; }
  .hero-card { max-width: 100%; }
  .hero-title { font-size: 40px; }
  .nav-links .nav-link { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .pp-steps { grid-template-columns: 1fr 1fr; }
}

/* ---------- 数据统计条 ---------- */
.stats-band {
  position: relative; z-index: 10; padding: 34px 24px;
  background: rgba(255, 255, 255, 0.03); backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.stats-band-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats-band b {
  display: block; font-size: 34px; font-weight: 800; letter-spacing: -0.01em;
  background: linear-gradient(100deg, #ff2e93 0%, #0088ff 50%, #00f0ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stats-band span { display: block; margin-top: 6px; font-size: 13.5px; color: rgba(255, 255, 255, 0.6); }

/* ---------- 使用流程 ---------- */
.steps-grid { max-width: 1200px; margin: 48px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-card {
  border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.05);
  border-radius: 18px; padding: 26px 22px; text-align: center;
  backdrop-filter: blur(6px); transition: all 0.35s;
}
.step-card:hover { transform: translateY(-4px); border-color: rgba(255, 255, 255, 0.32); }
.step-num {
  width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 50%;
  background: linear-gradient(100deg, #ff2e93 0%, #0088ff 50%, #00f0ff 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: #fff;
  box-shadow: 0 12px 28px -10px rgba(0, 136, 255, 0.6);
}
.step-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 13.5px; color: rgba(255, 255, 255, 0.6); line-height: 1.7; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 44px auto 0; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.14); background: rgba(255, 255, 255, 0.05);
  border-radius: 14px; overflow: hidden; backdrop-filter: blur(6px);
  transition: border-color 0.25s;
}
.faq-item.open { border-color: rgba(0, 240, 255, 0.4); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 16px 20px; background: none; border: 0; color: #fff;
  font-size: 15px; font-weight: 600; cursor: pointer; text-align: left; font-family: inherit;
}
.faq-ico {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.7);
  font-size: 15px; transition: transform 0.3s, background 0.3s;
}
.faq-item.open .faq-ico { transform: rotate(45deg); background: rgba(0, 240, 255, 0.2); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a p { padding: 0 20px 18px; font-size: 14px; color: rgba(255, 255, 255, 0.62); line-height: 1.8; }

/* ---------- 后台系统信息 ---------- */
.sysinfo { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sysinfo li { display: flex; justify-content: space-between; gap: 16px; font-size: 13.5px; color: rgba(255, 255, 255, 0.65); padding: 10px 14px; border-radius: 10px; background: rgba(255, 255, 255, 0.04); }
.sysinfo li b { color: rgba(255, 255, 255, 0.9); font-weight: 600; }

@media (max-width: 900px) {
  .stats-band-inner { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* 能力卡片悬停提升 */
.cap-item { transition: transform 0.3s; }
.cap-item:hover { transform: translateY(-3px); }

/* 移动端输入框 16px：防止 iOS 聚焦时自动放大 */
@media (max-width: 700px) {
  .field input[type="text"], .field input[type="url"], .field input[type="password"] {
    font-size: 16px !important;
  }
}

/* ---------- 额度用完弹窗 ---------- */
.quota-overlay {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(7, 11, 24, 0.62);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.quota-modal {
  width: 100%; max-width: 360px;
  background: #fff; border-radius: 18px;
  padding: 30px 26px; text-align: center;
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.6);
}
.quota-ico { font-size: 40px; margin-bottom: 12px; }
.quota-modal h3 { font-size: 19px; font-weight: 800; color: #111827; margin-bottom: 10px; }
.quota-text { font-size: 14px; color: #6b7280; line-height: 1.8; margin-bottom: 16px; }
.quota-contact {
  background: #f3f4f6; border-radius: 12px;
  padding: 14px 16px; margin-bottom: 20px;
  display: flex; flex-direction: column; gap: 8px;
}
.quota-contact span { font-size: 13.5px; color: #374151; }
.quota-contact b { color: #2563eb; }
.quota-modal .btn { width: 100%; }