/* ============================================================
   星援拼单站 · styles.css
   深色玻璃拟态 · 移动优先响应式
   ============================================================ */

:root {
  --bg: #0a0a16;
  --bg-2: #0e0e1d;
  --card: rgba(255, 255, 255, 0.065);
  --card-strong: rgba(255, 255, 255, 0.09);
  --line: rgba(255, 255, 255, 0.09);
  --text: #f4f4fb;
  --dim: #9d9db8;
  --faint: #6d6d8a;
  --pink: #ff5f9e;
  --violet: #a855f7;
  --cyan: #22d3ee;
  --amber: #fbbf24;
  --green: #34d399;
  --grad: linear-gradient(135deg, #ff5f9e, #a855f7 55%, #22d3ee);
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 90% -10%, rgba(168, 85, 247, 0.16), transparent 60%),
    radial-gradient(900px 600px at -10% 15%, rgba(255, 95, 158, 0.13), transparent 55%),
    radial-gradient(1000px 800px at 50% 115%, rgba(34, 211, 238, 0.08), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background: rgba(255, 95, 158, 0.35);
}

::-webkit-scrollbar {
  width: 10px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.26);
}

::-webkit-scrollbar-track {
  background: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.028));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* ---------------- 导航 ---------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(10, 10, 22, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.logo {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo-star {
  display: inline-block;
  filter: drop-shadow(0 0 8px rgba(255, 95, 158, 0.6));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  display: block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--dim);
  transition: color 0.2s, background 0.2s, transform 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.nav-links a.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(255, 95, 158, 0.9), rgba(168, 85, 247, 0.9));
  box-shadow: 0 8px 20px rgba(255, 95, 158, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 12px 10px;
  background: none;
  border: 0;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 24px rgba(168, 85, 247, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(255, 95, 158, 0.4);
}

.btn-lg {
  padding: 15px 30px;
  font-size: 16px;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.13);
  transform: translateY(-2px);
}

/* ---------------- 首页 Hero ---------------- */

.hero {
  position: relative;
  padding: 64px 0 40px;
  overflow: hidden;
  text-align: center;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  pointer-events: none;
}

.orb-a {
  width: 420px;
  height: 420px;
  background: rgba(255, 95, 158, 0.35);
  top: -160px;
  right: -120px;
  animation: drift 9s ease-in-out infinite;
}

.orb-b {
  width: 360px;
  height: 360px;
  background: rgba(34, 211, 238, 0.28);
  bottom: -140px;
  left: -120px;
  animation: drift 11s ease-in-out infinite reverse;
}

@keyframes drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(22px); }
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--dim);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  margin-bottom: 22px;
}

.hero-title {
  font-size: clamp(34px, 7vw, 60px);
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1.15;
  margin-bottom: 14px;
}

.hero-sub {
  font-size: clamp(15px, 3vw, 18px);
  color: var(--dim);
  margin-bottom: 30px;
}

.hero-search {
  max-width: 540px;
  margin: 0 auto 34px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 6px 6px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.hero-search:focus-within {
  border-color: rgba(168, 85, 247, 0.7);
  box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.18);
}

.hero-search .icon {
  font-size: 17px;
}

.hero-search input {
  flex: 1;
  min-width: 0;
  background: none;
  border: 0;
  outline: 0;
  color: var(--text);
  font-size: 15.5px;
  padding: 10px 4px;
}

.hero-search input::placeholder {
  color: var(--faint);
}

.hero-search .search-btn {
  flex: 0 0 auto;
  background: var(--grad);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 14.5px;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}

.hero-search .search-btn:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 20px rgba(168, 85, 247, 0.35);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stat {
  min-width: 128px;
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero-stat strong {
  display: block;
  font-size: 26px;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-stat span {
  font-size: 13px;
  color: var(--dim);
}

/* ---------------- 工具栏 / 筛选 ---------------- */

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 10px 0 24px;
}

.filter-chips {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.filter-chips::-webkit-scrollbar {
  display: none;
}

.chip {
  flex: 0 0 auto;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--dim);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s;
}

.chip:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.chip.active {
  color: #fff;
  background: var(--grad);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(168, 85, 247, 0.32);
}

.sort-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.sort-label {
  font-size: 13px;
  color: var(--faint);
}

.sort-select {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  background-color: rgba(255, 255, 255, 0.06);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239d9db8' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  color: var(--text);
  font-size: 14px;
  padding: 10px 36px 10px 15px;
  border-radius: 12px;
  outline: 0;
  cursor: pointer;
  transition: border-color 0.2s;
}

.sort-select:focus {
  border-color: rgba(168, 85, 247, 0.7);
}

/* ---------------- 项目卡片网格 ---------------- */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 560px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  animation: rise 0.55s ease both;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: var(--shadow);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.card-media {
  position: relative;
  height: 108px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon {
  font-size: 44px;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.3));
  transition: transform 0.3s;
}

.project-card:hover .card-icon {
  transform: scale(1.15) rotate(-6deg);
}

.card-cat {
  position: absolute;
  top: 12px;
  left: 14px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(10, 10, 22, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 12.5px;
  font-weight: 700;
  color: #fff;
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 14px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(10, 10, 22, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 12.5px;
  font-weight: 700;
  color: #ffd166;
}

.card-badge.done {
  color: #86efac;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
  flex: 1;
}

.card-title {
  font-size: 17.5px;
  font-weight: 800;
  line-height: 1.4;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
}

.star-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(255, 215, 102, 0.12);
  border: 1px solid rgba(255, 215, 102, 0.28);
  color: #ffd166;
  font-weight: 700;
  font-size: 12.5px;
}

.meta-dim {
  color: var(--dim);
}

.card-summary {
  font-size: 13.5px;
  color: var(--dim);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------------- 进度条 ---------------- */

.progress {
  margin-top: auto;
}

.progress-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff5f9e, #a855f7 60%, #22d3ee);
  background-size: 200% 100%;
  animation: shimmer 2.8s linear infinite;
  transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes shimmer {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 200% 0;
  }
}

.progress-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 8px;
  font-size: 13px;
}

.pct-text {
  font-weight: 800;
  color: var(--pink);
}

.goal-text {
  color: var(--faint);
  font-size: 12.5px;
}

/* ---------------- 卡片数据行 ---------------- */

.card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat strong {
  font-size: 17px;
  font-weight: 800;
}

.stat span {
  font-size: 12px;
  color: var(--faint);
}

/* ---------------- 骨架屏 / 空状态 ---------------- */

.skeleton-card {
  height: 340px;
  position: relative;
  overflow: hidden;
}

.skeleton-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 30%, rgba(255, 255, 255, 0.07) 50%, transparent 70%);
  animation: shimmer 1.6s infinite;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-icon {
  font-size: 52px;
  margin-bottom: 14px;
  animation: floaty 2.6s ease-in-out infinite;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.empty-state h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--dim);
  margin-bottom: 22px;
}

/* ---------------- 底部 CTA ---------------- */

.cta-banner {
  margin: 48px auto 0;
}

.cta-inner {
  position: relative;
  text-align: center;
  padding: 44px 24px;
  border-radius: 26px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255, 95, 158, 0.16), rgba(168, 85, 247, 0.2) 55%, rgba(34, 211, 238, 0.14));
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.cta-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(400px 200px at 50% 0%, rgba(255, 255, 255, 0.1), transparent 60%);
}

.cta-inner h2 {
  font-size: clamp(22px, 4.5vw, 30px);
  font-weight: 900;
  margin-bottom: 10px;
  position: relative;
}

.cta-inner p {
  color: var(--dim);
  margin-bottom: 24px;
  position: relative;
}

.cta-inner .btn {
  position: relative;
}

/* ---------------- 页脚 ---------------- */

.footer {
  margin-top: 64px;
  padding: 48px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: linear-gradient(180deg, transparent, rgba(10, 10, 22, 0.7));
}

.footer-inner {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
  margin-bottom: 30px;
}

@media (min-width: 700px) {
  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p {
  color: var(--dim);
  font-size: 13.5px;
  margin-top: 10px;
  max-width: 320px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
}

.footer-col a {
  color: var(--dim);
  font-size: 14px;
  transition: color 0.2s, transform 0.2s;
}

.footer-col a:hover {
  color: var(--text);
  transform: translateX(3px);
}

.footer-disclaimer {
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

.footer-disclaimer p {
  color: var(--faint);
  font-size: 12.5px;
  line-height: 1.7;
}

.copyright {
  margin-top: 8px;
}

/* ============================================================
   项目详情页
   ============================================================ */

.detail-wrap {
  padding-top: 28px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--dim);
  font-size: 14px;
  margin-bottom: 18px;
  transition: color 0.2s, transform 0.2s;
}

.back-link:hover {
  color: var(--text);
  transform: translateX(-3px);
}

.detail-media {
  position: relative;
  height: 150px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.detail-icon {
  font-size: 62px;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.35));
  animation: floaty 3.4s ease-in-out infinite;
}

.detail-media-meta {
  position: absolute;
  top: 14px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-header {
  margin-top: 18px;
  padding: 26px 24px;
  animation: rise 0.6s ease both;
}

.detail-title {
  font-size: clamp(22px, 4.5vw, 30px);
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 12px;
}

.detail-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--dim);
  font-size: 12.5px;
}

.detail-summary {
  color: var(--dim);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.detail-progress {
  margin-bottom: 20px;
}

.detail-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.detail-stats .stat {
  padding: 14px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
}

.detail-stats .stat strong {
  font-size: clamp(19px, 3.5vw, 24px);
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.detail-deadline {
  margin-top: 14px;
  font-size: 13px;
  color: var(--faint);
  text-align: center;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 22px;
}

@media (min-width: 980px) {
  .detail-grid {
    grid-template-columns: 1fr 340px;
    align-items: start;
  }
}

.info-block {
  padding: 24px;
  animation: rise 0.6s ease both;
}

.info-block h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 16px;
  padding-left: 12px;
  position: relative;
}

.info-block h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  border-radius: 4px;
  background: var(--grad);
}

.detail-list li {
  position: relative;
  padding: 9px 0 9px 22px;
  color: var(--dim);
  font-size: 14.5px;
  line-height: 1.7;
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 17px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}

.detail-list.notice li::before {
  background: var(--amber);
}

.reward-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.reward-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.25s, transform 0.25s;
}

.reward-item:hover {
  border-color: rgba(255, 95, 158, 0.5);
  transform: translateX(4px);
}

.reward-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.reward-name {
  font-weight: 700;
  font-size: 14.5px;
}

.reward-desc {
  font-size: 12.5px;
  color: var(--dim);
}

.reward-price {
  flex: 0 0 auto;
  font-size: 17px;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.join-card {
  position: sticky;
  top: 84px;
  padding: 26px 24px;
  text-align: center;
}

.join-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.join-card p {
  color: var(--dim);
  font-size: 14px;
  margin-bottom: 20px;
}

.btn-external {
  width: 100%;
}

.organizer {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.organizer span {
  color: var(--faint);
  font-size: 12.5px;
}

.organizer strong {
  font-size: 14px;
}

.related {
  margin: 44px 0 10px;
}

.section-title {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: "";
  width: 6px;
  height: 22px;
  border-radius: 4px;
  background: var(--grad);
}

/* ============================================================
   发起拼单指南页
   ============================================================ */

.guide-hero {
  text-align: center;
  padding: 54px 0 10px;
}

.guide-hero h1 {
  font-size: clamp(28px, 5.5vw, 42px);
  font-weight: 900;
  margin: 12px 0;
}

.guide-hero p {
  color: var(--dim);
  max-width: 620px;
  margin: 0 auto;
}

.guide-section {
  margin: 44px 0 0;
}

.guide-section-title {
  font-size: clamp(20px, 3.5vw, 26px);
  font-weight: 900;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.guide-section-title::before {
  content: "";
  width: 6px;
  height: 22px;
  border-radius: 4px;
  background: var(--grad);
}

.steps {
  padding: 30px 26px;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  padding-bottom: 30px;
}

.step:last-child {
  padding-bottom: 0;
}

.step::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 52px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(168, 85, 247, 0.5), rgba(255, 95, 158, 0.35));
}

.step:last-child::before {
  display: none;
}

.step-num {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  font-weight: 900;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 10px 24px rgba(168, 85, 247, 0.35);
  position: relative;
  z-index: 2;
}

.step-body {
  padding-top: 4px;
}

.step-body h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
}

.step-body p {
  color: var(--dim);
  font-size: 14.5px;
  line-height: 1.75;
}

.step-tip {
  margin-top: 10px;
  display: inline-block;
  padding: 7px 13px;
  border-radius: 10px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: var(--cyan);
  font-size: 12.5px;
}

.platform-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 700px) {
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .platform-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.platform-card {
  padding: 22px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}

.platform-card:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 85, 247, 0.5);
}

.platform-icon {
  font-size: 38px;
  margin-bottom: 12px;
}

.platform-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.platform-card p {
  font-size: 13px;
  color: var(--dim);
  line-height: 1.7;
}

.tip-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 700px) {
  .tip-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tip-card {
  padding: 22px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: transform 0.3s, border-color 0.3s;
}

.tip-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, 0.5);
}

.tip-icon {
  flex: 0 0 auto;
  font-size: 26px;
}

.tip-card h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.tip-card p {
  font-size: 13.5px;
  color: var(--dim);
  line-height: 1.7;
}

.checklist {
  padding: 26px 24px;
}

.checklist h2 {
  font-size: 20px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.checklist ul {
  display: grid;
  gap: 10px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--dim);
}

.checklist li::before {
  content: "✅";
  flex: 0 0 auto;
}

/* ---------------- 响应式 & 可访问性 ---------------- */

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 16px 18px;
    background: rgba(10, 10, 22, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 50px rgba(0, 0, 0, 0.4);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 16px;
    border-radius: 12px;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .sort-wrap {
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}