/* 寻梦时光落地页 · 模块化重排（保留 Noto Sans SC / ZCOOL XiaoWei） */
:root {
  --ink: #151820;
  --ink-soft: #2c3340;
  --muted: #6a7380;
  --paper: #eef1f4;
  --paper-2: #e3e7ed;
  --line: rgba(21, 24, 32, .1);
  --accent: #d63b2c;
  --accent-deep: #b02c20;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "ZCOOL XiaoWei", "Noto Serif SC", serif;
  --pad: clamp(20px, 5vw, 72px);
  --max: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ol { list-style: none; }

/* —— 导航 —— */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--pad);
  background: transparent;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(238, 241, 244, .92);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: .06em;
  color: #fff;
  transition: color .3s;
}
.nav.scrolled .nav-brand { color: var(--ink); }
.nav-logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: .92rem;
  color: rgba(255,255,255,.78);
  transition: color .3s;
}
.nav.scrolled .nav-links { color: var(--muted); }
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  padding: 9px 18px;
  border: 1px solid rgba(255,255,255,.45);
  color: #fff !important;
  font-weight: 600;
  transition: background .2s, border-color .2s, color .2s;
}
.nav.scrolled .nav-cta {
  border-color: var(--ink);
  color: var(--ink) !important;
}
.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff !important;
}

/* —— 首屏 —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: 0;
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,12,18,.15) 0%, rgba(10,12,18,.5) 45%, rgba(10,12,18,.9) 100%),
    linear-gradient(130deg, #1a1f2b 0%, #12151c 40%, #3a1a18 100%);
}
.hero-orb-a {
  width: min(70vw, 520px);
  height: min(70vw, 520px);
  right: -8%;
  top: 8%;
  background: radial-gradient(circle, rgba(214,59,44,.65), transparent 68%);
}
.hero-orb-b {
  width: min(50vw, 380px);
  height: min(50vw, 380px);
  left: -6%;
  bottom: 12%;
  background: radial-gradient(circle, rgba(120,150,190,.28), transparent 70%);
  animation-delay: -4s;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: .55;
  animation: floaty 14s ease-in-out infinite alternate;
}
.hero-grain {
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' 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)' opacity='.55'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  pointer-events: none;
}
@keyframes floaty {
  from { transform: translate3d(0,0,0) scale(1); }
  to { transform: translate3d(-3%, 4%, 0) scale(1.08); }
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 120px var(--pad) 72px;
}
.hero-brand {
  font-family: var(--display);
  font-size: clamp(3rem, 10vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: .04em;
  margin-bottom: 18px;
  opacity: 0;
  animation: rise .9s cubic-bezier(.2,.8,.2,1) .05s forwards;
}
.hero-lead {
  max-width: 22em;
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  color: rgba(255,255,255,.86);
  margin-bottom: 28px;
  opacity: 0;
  animation: rise .9s cubic-bezier(.2,.8,.2,1) .18s forwards;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  opacity: 0;
  animation: rise .9s cubic-bezier(.2,.8,.2,1) .3s forwards;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 22px;
  font-weight: 700;
  font-size: .94rem;
  transition: transform .2s, background .2s, color .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-solid { background: var(--accent); color: #fff; }
.btn-solid:hover { background: var(--accent-deep); }
.btn-line {
  border: 1.5px solid rgba(255,255,255,.55);
  color: #fff;
  background: transparent;
}
.btn-line:hover { background: rgba(255,255,255,.1); }
.getapp .btn-line {
  border-color: rgba(23,20,15,.28);
  color: var(--ink);
}
.getapp .btn-line:hover { background: rgba(23,20,15,.05); }
.btn.is-disabled {
  opacity: .65;
  pointer-events: none;
  cursor: default;
}

/* —— 数据条 —— */
.strip {
  background: var(--ink);
  color: #fff;
  padding: 22px var(--pad);
}
.strip-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.strip-item strong {
  display: block;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: .02em;
}
.strip-item span {
  font-size: .78rem;
  color: rgba(255,255,255,.62);
}

/* —— 公告 —— */
.notice-bar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 12px var(--pad);
}
.notice-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  overflow: hidden;
}
.notice-tag {
  flex-shrink: 0;
  font-size: .78rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: .06em;
}
.notice-track {
  display: flex;
  gap: 28px;
  animation: notice-marquee 28s linear infinite;
  white-space: nowrap;
}
.notice-item {
  display: inline-flex;
  gap: 10px;
  font-size: .9rem;
}
.notice-item b { font-weight: 700; }
.notice-item span { color: var(--muted); }
@keyframes notice-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* —— 轮播 —— */
.banner-block { padding-top: 36px; padding-bottom: 12px; }
.carousel {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 4px;
  background: var(--ink);
  aspect-ratio: 21 / 9;
}
.carousel-track { position: relative; width: 100%; height: 100%; }
.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .6s ease;
  margin: 0;
}
.carousel-slide.is-on { opacity: 1; z-index: 1; }
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.carousel-slide figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 28px 20px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,.65));
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
}
.carousel-dots {
  position: absolute;
  z-index: 2;
  left: 0; right: 0; bottom: 10px;
  display: flex;
  justify-content: center;
  gap: 8px;
}
.carousel-dots button {
  width: 8px;
  height: 8px;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  padding: 0;
}
.carousel-dots button.is-on { background: #fff; }

/* —— 内容区块 —— */
.block {
  padding: 72px var(--pad);
  max-width: calc(var(--max) + var(--pad) * 2);
  margin: 0 auto;
}
.block-alt {
  background: var(--paper-2);
  max-width: none;
  padding-left: max(var(--pad), calc((100% - var(--max)) / 2));
  padding-right: max(var(--pad), calc((100% - var(--max)) / 2));
}
.block-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
}
.block-head h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 10px;
  letter-spacing: .03em;
}
.block-head p {
  color: var(--muted);
  max-width: 32em;
  font-size: .98rem;
}
.text-link {
  flex-shrink: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: .92rem;
  border-bottom: 1px solid transparent;
}
.text-link:hover { border-bottom-color: var(--accent); }

.feat-list {
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.feat-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.feat-i {
  font-family: var(--display);
  font-size: 1.35rem;
  color: var(--accent);
}
.feat-list h3 { font-size: 1.12rem; margin-bottom: 6px; }
.feat-list p { color: var(--muted); font-size: .94rem; max-width: 36em; }

/* —— 圈子 —— */
.circle-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px 22px;
}
.circle-tile {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 14px;
  align-items: center;
  padding: 4px 0;
  transition: opacity .2s;
}
.circle-tile:hover { opacity: .82; }
.circle-tile img,
.circle-letter {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  background: #c5ced8;
}
.circle-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #e85a4a, var(--accent-deep));
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
}
.circle-tile strong { display: block; font-size: 1.02rem; margin-bottom: 4px; }
.circle-tile em {
  font-style: normal;
  color: var(--muted);
  font-size: .86rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* —— 圈帖 / 通用 feed —— */
.feed-rail { display: grid; gap: 0; border-top: 1px solid var(--line); }
.feed-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: background .2s;
}
.feed-row:hover { background: rgba(23,20,15,.03); }
.feed-av {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: #c5ced8;
}
.feed-av-sm {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}
.feed-ph {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
}
.feed-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: 4px;
}
.feed-meta b { color: var(--ink-soft); font-weight: 600; }
.feed-body h3 { font-size: 1.05rem; margin-bottom: 4px; line-height: 1.35; }
.feed-body p {
  color: var(--muted);
  font-size: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* —— 最新圈帖（封面卡片，桌面 3 列） —— */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.post-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: transform .2s ease;
}
.post-card:hover { transform: translateY(-3px); }
.post-cover {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  overflow: hidden;
  background: #d5dbe3;
  margin-bottom: 12px;
}
.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-cover.is-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #e8ecf1, #cfd6df);
}
.post-cover-ph {
  font-family: var(--display);
  font-size: 2rem;
  color: var(--muted);
}
.post-card-body h3 {
  font-size: 1.05rem;
  line-height: 1.35;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-body > p {
  color: var(--muted);
  font-size: .88rem;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  font-size: .78rem;
  color: var(--muted);
  min-width: 0;
}
.post-card-meta b {
  color: var(--ink-soft);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 42%;
}
.post-card-meta span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-left: auto;
}

/* —— 文章 —— */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.article-card {
  padding: 22px 18px 22px 0;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.article-card:nth-child(2n) {
  padding-left: 18px;
  padding-right: 0;
  border-right: 0;
}
.article-meta {
  display: flex;
  gap: 10px;
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: 8px;
}
.article-meta b { color: var(--ink-soft); }
.article-card h3 {
  font-family: var(--display);
  font-size: 1.25rem;
  margin-bottom: 8px;
  line-height: 1.35;
}
.article-card p {
  color: var(--muted);
  font-size: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* —— 动态 —— */
.space-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.space-tile {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.space-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.space-user img,
.space-user .feed-av {
  width: 36px;
  height: 36px;
}
.space-user b { font-size: .92rem; }
.space-tile p {
  font-size: .95rem;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 4.5em;
}
.space-time { font-size: .78rem; color: var(--muted); }

/* —— 应用 —— */
.app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 28px;
}
.app-tile {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: center;
}
.app-tile img,
.app-ph {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: cover;
  background: #c5ced8;
}
.app-ph {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
}
.app-tile strong { display: block; margin-bottom: 4px; }
.app-tile em {
  font-style: normal;
  color: var(--muted);
  font-size: .86rem;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.app-tile span { display: block; margin-top: 4px; font-size: .78rem; color: var(--muted); }

/* —— 商城 —— */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.shop-tile img,
.shop-ph {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: #d5dbe3;
  margin-bottom: 12px;
}
.shop-ph {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 2rem;
  color: var(--muted);
}
.shop-tile strong {
  display: block;
  font-size: .98rem;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.shop-tile em {
  font-style: normal;
  color: var(--accent);
  font-weight: 700;
  font-size: .9rem;
}

/* —— 排行 —— */
.rank-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
  max-width: 640px;
}
.rank-list li {
  display: grid;
  grid-template-columns: 36px 48px 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.rank-n {
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--accent);
  text-align: center;
}
.rank-list li:nth-child(1) .rank-n,
.rank-list li:nth-child(2) .rank-n,
.rank-list li:nth-child(3) .rank-n {
  color: var(--ink);
  font-weight: 800;
}
.rank-meta b { display: block; margin-bottom: 2px; }
.rank-meta span { font-size: .8rem; color: var(--muted); }

/* —— 最新会员 —— */
.member-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 18px 12px;
}
.member-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  min-width: 0;
}
.member-av {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  background: #c5ced8;
}
.member-tile strong {
  font-size: .82rem;
  font-weight: 600;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* —— 头像框 —— */
.frame-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.frame-tile { text-align: center; }
.frame-preview {
  width: 100%;
  max-width: 120px;
  aspect-ratio: 1;
  margin: 0 auto 12px;
  position: relative;
}
.frame-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.frame-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--line);
  color: var(--muted);
  border-radius: 50%;
}
.frame-tile strong { display: block; font-size: .92rem; margin-bottom: 4px; }
.frame-tile em { font-style: normal; font-size: .8rem; color: var(--muted); }

/* —— 下载 —— */
.getapp {
  margin: 8px var(--pad) 48px;
  padding: 40px clamp(20px, 4vw, 48px);
  background:
    linear-gradient(135deg, rgba(214,59,44,.1), transparent 55%),
    var(--paper-2);
  border: 1px solid var(--line);
}
.getapp-inner { max-width: var(--max); margin: 0 auto; }
.getapp h2 {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  margin-bottom: 8px;
}
.getapp p { color: var(--muted); margin-bottom: 22px; max-width: 34em; }

/* —— 页脚 —— */
.foot {
  padding: 28px var(--pad) 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: .84rem;
  border-top: 1px solid var(--line);
  background: #fff;
}
.foot-l {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
}
.foot-l a:hover { color: var(--accent); }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .circle-rail,
  .space-rail { grid-template-columns: 1fr 1fr; }
  .post-grid { grid-template-columns: 1fr 1fr; }
  .member-grid { grid-template-columns: repeat(4, 1fr); }
  .shop-grid { grid-template-columns: 1fr 1fr; }
  .frame-grid { grid-template-columns: repeat(3, 1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .article-card,
  .article-card:nth-child(2n) {
    padding: 18px 0;
    border-right: 0;
  }
  .block { padding: 56px var(--pad); }
  .block-head { flex-direction: column; align-items: flex-start; }
  .carousel { aspect-ratio: 16 / 9; }
}
@media (max-width: 640px) {
  .nav { padding: 12px var(--pad); }
  .nav-links { gap: 10px; }
  .nav-links .hide-sm { display: none; }
  .hero-inner { padding: 108px var(--pad) 56px; }
  .strip-inner { gap: 8px; }
  .strip-item strong { font-size: 1.25rem; }
  .circle-rail,
  .space-rail,
  .app-grid,
  .shop-grid { grid-template-columns: 1fr; }
  .post-grid { grid-template-columns: 1fr; }
  .member-grid { grid-template-columns: repeat(4, 1fr); gap: 14px 8px; }
  .member-av { width: 52px; height: 52px; }
  .frame-grid { grid-template-columns: repeat(2, 1fr); }
  .feat-list li { grid-template-columns: 48px 1fr; gap: 12px; }
  .cta-row .btn { flex: 1; min-width: 0; }
  .getapp { margin: 0 var(--pad) 32px; padding: 28px 20px; }
  .notice-track { animation-duration: 22s; }
}