/*═══════════════════════════════════════*\
   yuzong.ai · 「出海志」视觉体系 v2
   深海墨蓝船长面板 × 大开本纸感内容区
\*═══════════════════════════════════════*/

:root {
  /* 深海（左舷） */
  --sea-deep: #0A222D;
  --sea-mid: #0E3441;
  --sea-line: rgba(148, 196, 205, 0.16);
  --foam: #9CC8D1;          /* 浪沫青，深底上的次级文字 */
  --foam-bright: #D8ECEF;   /* 深底上的主文字 */

  /* 纸面（右舷） */
  --paper: #F5F3EB;
  --paper-deep: #ECE9DE;
  --card: #FBFAF4;
  --ink: #1E2A31;
  --ink-soft: #5C6A72;
  --rule: #DCD8C9;

  /* 信号色 */
  --teal: #10697A;
  --teal-deep: #0B4B58;
  --signal: #C2571B;        /* 信号橙：印章、状态、返利 */

  --grain-opacity: 0.20;
  --grain-blend: multiply;

  /* 字体 */
  --serif: "Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "Menlo", "Cascadia Mono", monospace;

  --rail-w: clamp(340px, 30vw, 460px);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* 夜航模式：右舷纸面沉入深夜海面 */
:root[data-theme="dark"] {
  --paper: #0D1922;
  --paper-deep: #142530;
  --card: #13232E;
  --ink: #D9E5E8;
  --ink-soft: #8CA1A9;
  --rule: #24363F;

  --teal: #55B4C4;
  --teal-deep: #2E7E8E;
  --signal: #D4692F;

  --grain-opacity: 0.10;
  --grain-blend: overlay;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  transition: background 0.45s ease, color 0.45s ease;
}

a { color: inherit; text-decoration: none; }
li { list-style: none; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }
img { display: block; max-width: 100%; }

::selection { background: var(--teal); color: var(--paper); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

.mono { font-family: var(--mono); }

/* 纸面颗粒 */
.grain {
  position: fixed; inset: 0; z-index: 99; pointer-events: none;
  opacity: var(--grain-opacity); mix-blend-mode: var(--grain-blend);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.45 0 0 0 0 0.43 0 0 0 0 0.38 0 0 0 0.5 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}


/*═══════════ 布局 ═══════════*/

.layout { display: flex; min-height: 100vh; }

/*═══════════ 左侧船长面板 ═══════════*/

.rail {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--rail-w);
  background:
    radial-gradient(120% 90% at 20% 0%, var(--sea-mid) 0%, var(--sea-deep) 62%);
  color: var(--foam-bright);
  overflow: hidden;
  z-index: 2;
}

/* 面板右缘的航图刻度线 */
.rail::after {
  content: "";
  position: absolute; top: 0; right: 0; bottom: 0; width: 14px;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 18px,
    var(--sea-line) 18px 19px
  );
}

.rail-inner {
  position: relative; z-index: 2;
  height: 100%;
  padding: clamp(28px, 4vh, 48px) clamp(28px, 3vw, 48px);
  display: flex; flex-direction: column;
  /* 组内基础间距小，组间靠下方的 margin-top 拉开——「组内紧、组间松」 */
  gap: clamp(10px, 1.6vh, 18px);
  animation: rail-in 0.9s var(--ease-out) backwards;
}

/* 仪表组、通讯组与上一组之间拉开距离 */
.rail-mid { margin-top: clamp(14px, 3.4vh, 38px); }

.rail-meta {
  margin-top: clamp(14px, 3.4vh, 38px);
  border-top: 1px solid var(--sea-line);
  padding-top: clamp(14px, 2.4vh, 24px);
}

@keyframes rail-in {
  from { opacity: 0; transform: translateX(-24px); }
  to { opacity: 1; transform: none; }
}

.rail-head { display: flex; align-items: flex-start; justify-content: space-between; }

/* 头像 + 印章徽标 */
.avatar {
  position: relative;
  width: 92px; height: 92px;
}

.avatar img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--sea-line);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
}

.seal-badge {
  position: absolute; right: -10px; bottom: -6px;
  width: 36px; height: 36px;
  background: var(--signal);
  border-radius: 8px;
  display: grid; place-items: center;
  font-family: var(--serif);
  font-size: 21px; font-weight: 700;
  color: #F8F3EA; line-height: 1;
  box-shadow: 0 8px 20px rgba(194, 87, 27, 0.4);
  transform: rotate(-6deg);
  transition: transform 0.5s var(--ease-out);
}

.avatar:hover .seal-badge { transform: rotate(4deg) scale(1.12); }

.rail-est {
  font-size: 10px; letter-spacing: 0.22em;
  color: var(--foam); opacity: 0.75;
  writing-mode: vertical-rl;
}

.rail-name {
  font-family: var(--serif);
  font-size: clamp(56px, 5.4vw, 84px);
  font-weight: 700; line-height: 1.04;
  letter-spacing: 0.06em;
  color: var(--foam-bright);
}

.rail-name span { display: inline-block; animation: char-in 0.8s var(--ease-out) backwards; }
.rail-name span:nth-child(2) { animation-delay: 0.12s; }

@keyframes char-in {
  from { opacity: 0; transform: translateY(0.35em); }
  to { opacity: 1; transform: none; }
}

.rail-title {
  margin-top: 10px;
  display: inline-block;
  font-size: 13px; letter-spacing: 0.12em;
  color: var(--foam);
  border: 1px solid var(--sea-line);
  padding: 5px 14px; border-radius: 99px;
  width: max-content;
}

.rail-tagline {
  margin-top: 16px;
  font-family: var(--serif);
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.75;
  color: var(--foam);
}

/* 罗盘 */
.compass { width: clamp(92px, 9vw, 128px); opacity: 0.9; }
.compass svg { width: 100%; height: auto; display: block; }
.c-ring { fill: none; stroke: var(--sea-line); stroke-width: 1.5; }
.c-ring-in { stroke-dasharray: 2 5; }
.c-dir {
  font-family: var(--mono); font-size: 9px;
  fill: var(--foam); text-anchor: middle; dominant-baseline: middle;
  opacity: 0.8;
}
.c-needle { transform-origin: 60px 60px; transition: transform 0.6s var(--ease-out); }
.c-north { fill: var(--signal); }
.c-south { fill: rgba(216, 236, 239, 0.35); }
.c-hub { fill: var(--foam-bright); }
.c-ticks line { stroke: var(--sea-line); stroke-width: 1; }

/* 联系信息：紧凑「铭牌」 */
.rail-meta { display: grid; gap: 8px; font-size: 12px; color: var(--foam); }
.rail-meta li { display: flex; gap: 12px; align-items: baseline; }
.rail-meta .k {
  font-size: 10px; letter-spacing: 0.18em;
  color: var(--foam); opacity: 0.55;
  min-width: 52px;
}

/* X 是主阵地，视觉权重高一档 */
.rail-meta .hot-row { font-size: 13.5px; }
.rail-meta .hot-row .k { color: var(--signal); opacity: 0.9; }
.rail-meta .hot-row a { color: var(--foam-bright); border-bottom-color: rgba(216, 236, 239, 0.4); }
.rail-meta a { border-bottom: 1px dashed var(--sea-line); transition: color 0.2s, border-color 0.2s; }
.rail-meta a:hover { color: var(--foam-bright); border-color: var(--foam); }

.rail-foot {
  margin-top: auto;
  display: flex; align-items: center; justify-content: space-between;
  position: relative; z-index: 2;
}

.rail-status { font-size: 11px; letter-spacing: 0.18em; color: var(--foam); }

.dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal); margin-right: 8px;
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(194, 87, 27, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(194, 87, 27, 0); }
}

.rail-social { display: flex; gap: 8px; }
.rail-social a {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--sea-line);
  display: grid; place-items: center;
  color: var(--foam);
  transition: all 0.25s var(--ease-out);
}
.rail-social a:hover {
  color: var(--sea-deep); background: var(--foam-bright);
  border-color: var(--foam-bright); transform: translateY(-3px);
}
.rail-social svg { width: 16px; height: 16px; }

/* 海浪画布 */
.waves {
  position: absolute; left: 0; right: 0; bottom: 0;
  width: 100%; height: 150px;
  z-index: 1; pointer-events: none;
}


/*═══════════ 右侧内容区 ═══════════*/

.content {
  margin-left: var(--rail-w);
  flex: 1;
  min-width: 0;
  padding: 0 clamp(28px, 6vw, 110px) 60px;
}

/* 顶部导航 */
.nav {
  position: sticky; top: 0; z-index: 5;
  display: flex; gap: clamp(8px, 2vw, 30px);
  padding: 26px 0 0;
  background: linear-gradient(to bottom, var(--paper) 78%, transparent);
}

.nav-link {
  position: relative;
  display: flex; align-items: baseline; gap: 7px;
  padding: 8px 2px 16px;
  font-size: 15px; letter-spacing: 0.06em;
  color: var(--ink-soft);
  transition: color 0.25s;
  white-space: nowrap;
  flex: none;
}

.nav-link i { font-style: normal; font-size: 10px; letter-spacing: 0.08em; opacity: 0.6; }

.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--teal); font-weight: 600; }

/* 滑动指示线 */
.nav-ink {
  position: absolute; bottom: 8px; left: 0;
  height: 3px; width: 40px;
  background: var(--signal);
  border-radius: 3px;
  transition: transform 0.45s var(--ease-out), width 0.45s var(--ease-out);
}

/* 页面 */
.page { display: none; padding-top: clamp(36px, 7vh, 72px); }
.page.active { display: block; }

/* 错落浮现 */
.reveal { animation: rise 0.7s var(--ease-out) backwards; animation-delay: calc(var(--i, 0) * 90ms); }

@keyframes rise {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}

/* 页首 */
.page-hero { max-width: 760px; }

.eyebrow {
  font-size: 11px; letter-spacing: 0.26em;
  color: var(--teal);
  margin-bottom: 22px;
  display: flex; align-items: center; gap: 12px;
}

.eyebrow::before {
  content: ""; width: 34px; height: 1px;
  background: var(--signal); display: inline-block;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(40px, 4.6vw, 68px);
  font-weight: 700; line-height: 1.22;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.hero-title em {
  font-style: normal; color: var(--teal);
  /* 荧光笔式高亮：限定高度和位置，不再坠到基线之下 */
  background-image: linear-gradient(rgba(194, 87, 27, 0.26), rgba(194, 87, 27, 0.26));
  background-repeat: no-repeat;
  background-size: 100% 0.22em;
  background-position: 0 80%;
}

.hero-lede {
  margin-top: 26px;
  font-size: 16.5px; color: var(--ink-soft);
  max-width: 36em;
}

/* 首屏行动区 */
.cta-row { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; letter-spacing: 0.04em;
  padding: 12px 30px; border-radius: 99px;
  transition: all 0.3s var(--ease-out);
}

.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover {
  background: var(--teal-deep);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -12px rgba(16, 105, 122, 0.5);
}

.btn-ghost { border: 1px solid var(--rule); color: var(--ink); }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); transform: translateY(-2px); }

/* 小节标题 */
.sec-title {
  font-family: var(--serif);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 700;
  margin: clamp(44px, 7vh, 72px) 0 26px;
  display: flex; align-items: baseline; gap: 14px;
}

.sec-no {
  font-size: 10px; letter-spacing: 0.2em;
  color: var(--signal);
}

/* 数据条 */
.stats {
  margin-top: clamp(40px, 6vh, 64px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

.stat {
  padding: 22px 8px 20px;
  border-left: 1px solid var(--rule);
}
.stat:first-child { border-left: none; padding-left: 0; }
.stat:not(:first-child) { padding-left: 22px; }

.stat b {
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 600; line-height: 1;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
  display: block;
}

.stat span {
  display: block; margin-top: 8px;
  font-size: 12.5px; color: var(--ink-soft); letter-spacing: 0.08em;
}

/* 我在做什么 */
.doing {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--rule);
  border: 1px solid var(--rule);
}

.doing-item {
  background: var(--paper);
  padding: 30px 30px 28px;
  transition: background 0.3s;
}

.doing-item:hover { background: var(--card); }

.doing-item img { margin-bottom: 16px; }

.doing-item h4 {
  font-family: var(--serif);
  font-size: 18px; margin-bottom: 8px;
}

.doing-item p { font-size: 13.5px; color: var(--ink-soft); }

/* NOW */
.now {
  background: var(--sea-deep);
  color: var(--foam);
  border-radius: 14px;
  padding: clamp(24px, 3vw, 40px);
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 3vw, 40px);
}

.now-item .k {
  font-size: 10px; letter-spacing: 0.22em;
  color: var(--foam); opacity: 0.6;
  margin-bottom: 10px;
}

.now-item p:last-child { font-size: 14px; line-height: 1.8; color: var(--foam-bright); font-weight: 300; }

/* 工具箱 */
.filters { display: flex; gap: 10px; margin: clamp(32px, 5vh, 48px) 0 26px; flex-wrap: wrap; }

.filter {
  font-size: 14px; letter-spacing: 0.04em;
  padding: 8px 22px; border-radius: 99px;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  transition: all 0.25s var(--ease-out);
}

.filter:hover { border-color: var(--teal); color: var(--teal); }

.filter.active {
  background: var(--ink); border-color: var(--ink);
  color: var(--paper);
}

.tool-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.tool-card {
  position: relative;
  display: block;
  border: 1px solid var(--rule);
  border-radius: 16px;
  background: linear-gradient(150deg, var(--card) 0%, var(--paper) 70%);
  padding: 30px 32px 26px;
  overflow: hidden;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s;
  transform-style: preserve-3d;
  will-change: transform;
}

.tool-card.is-hidden { display: none; }

.tool-card:hover {
  border-color: var(--teal);
  box-shadow: 0 30px 60px -30px rgba(11, 75, 88, 0.35);
}

/* 大字水印 */
.tool-glyph {
  position: absolute; right: -14px; bottom: -30px;
  font-family: var(--serif);
  font-size: 150px; font-weight: 700; line-height: 1;
  color: var(--teal);
  opacity: 0.08;
  transition: opacity 0.35s, transform 0.5s var(--ease-out);
  pointer-events: none;
}

.tool-card:hover .tool-glyph { opacity: 0.16; transform: translateY(-8px) rotate(-4deg); }

.tool-tag { font-size: 10px; letter-spacing: 0.2em; color: var(--teal); margin-bottom: 12px; }

.tool-body h3 {
  font-family: var(--serif);
  font-size: 22px; margin-bottom: 10px;
}

.tool-desc { font-size: 13.5px; color: var(--ink-soft); min-height: 3.4em; }

.tool-foot {
  margin-top: 18px; padding-top: 14px;
  border-top: 1px dashed var(--rule);
  display: flex; align-items: center; gap: 14px;
  font-size: 11px;
}

.st.live { color: var(--teal); }
.st.soon { color: var(--ink-soft); }
.aff { color: var(--signal); }

.go {
  margin-left: auto; color: var(--teal);
  opacity: 0; transform: translateX(-8px);
  transition: all 0.3s var(--ease-out);
}

.tool-card:hover .go { opacity: 1; transform: none; }

.is-soon { opacity: 0.72; cursor: default; }
.is-soon:hover { border-color: var(--rule); box-shadow: none; }

.notice {
  margin-top: 30px;
  font-size: 13px; color: var(--ink-soft);
  background: rgba(16, 105, 122, 0.07);
  border-left: 3px solid var(--teal);
  padding: 16px 22px;
  border-radius: 0 10px 10px 0;
}

.notice b { color: var(--teal); }

/* 项目：航行时间线 */
.voyage { position: relative; padding-left: 26px; }

.voyage::before {
  content: "";
  position: absolute; left: 4px; top: 8px; bottom: 8px;
  width: 0;
  border-left: 2px dashed var(--rule);
}

.voyage-item { position: relative; padding: 0 0 34px 24px; }
.voyage-item:last-child { padding-bottom: 6px; }

.voyage-item::before {
  content: "";
  position: absolute; left: -26px; top: 7px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--teal);
}

.v-date { font-size: 11px; letter-spacing: 0.14em; color: var(--signal); margin-bottom: 8px; }

.v-body h4 { font-family: var(--serif); font-size: 20px; margin-bottom: 8px; }
.v-body p { font-size: 14px; color: var(--ink-soft); max-width: 40em; }

/* 主攻方向 */
.gauges { display: grid; gap: 22px; max-width: 660px; }

.g-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 14px; margin-bottom: 10px;
}

.g-head b { color: var(--teal); font-size: 13px; }

.g-track {
  height: 6px; border-radius: 6px;
  background: var(--paper-deep);
  overflow: hidden;
}

.g-track i {
  display: block; height: 100%;
  width: var(--w, 0%);
  border-radius: inherit;
  background: linear-gradient(to right, var(--teal-deep), var(--teal));
  transform-origin: left;
  animation: grow 1.1s var(--ease-out) 0.3s backwards;
}

@keyframes grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* 文章 */
.post-list {
  margin-top: clamp(30px, 5vh, 48px);
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.post { display: block; }

.post-cover {
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--rule);
}

.post-cover img {
  width: 100%; aspect-ratio: 600 / 340; object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.post:hover .post-cover img { transform: scale(1.045); }

.post-body { padding: 18px 4px 0; }

.post-meta {
  font-size: 11px; letter-spacing: 0.12em; color: var(--ink-soft);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px;
}

.post-meta .cat { color: var(--teal); }
.post-meta .cat.orange { color: var(--signal); }

.post-body h3 {
  font-family: var(--serif);
  font-size: 21px; line-height: 1.5;
  transition: color 0.25s;
}

.post:hover h3 { color: var(--teal); }

.post-excerpt { margin-top: 8px; font-size: 13.5px; color: var(--ink-soft); }

/* 联系 */
.topics { display: flex; flex-wrap: wrap; gap: 10px; margin: clamp(28px, 4vh, 40px) 0; }

.topics li {
  font-size: 13.5px;
  border: 1px solid var(--rule);
  background: var(--card);
  padding: 8px 20px; border-radius: 99px;
  transition: all 0.25s;
}

.topics li:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }

.form { max-width: 720px; display: grid; gap: 22px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

.field { display: grid; gap: 8px; }

.field > span {
  font-size: 10px; letter-spacing: 0.2em; color: var(--ink-soft);
}

.field input,
.field textarea {
  font: inherit; color: var(--ink);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 13px 16px;
  transition: border-color 0.25s, box-shadow 0.25s;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(16, 105, 122, 0.12);
}

.send {
  justify-self: start;
  display: flex; align-items: center; gap: 10px;
  background: var(--ink); color: var(--paper);
  font-size: 15px; letter-spacing: 0.06em;
  padding: 13px 34px; border-radius: 99px;
  transition: all 0.3s var(--ease-out);
}

.send:not(:disabled):hover {
  background: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -12px rgba(16, 105, 122, 0.5);
}

.send:disabled { opacity: 0.35; cursor: not-allowed; }

/* 页脚 */
.foot {
  margin-top: clamp(60px, 10vh, 100px);
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--ink-soft);
}


/*═══════════ 响应式 ═══════════*/

@media (max-width: 1023px) {

  .layout { display: block; }

  .rail {
    position: relative;
    width: 100%;
    min-height: auto;
  }

  .rail::after { display: none; }

  .rail-inner {
    padding: 34px 24px 90px;
    gap: 20px;
  }

  .rail-name { font-size: 56px; }
  .rail-est { writing-mode: horizontal-tb; }
  .compass { display: none; }
  .rail-foot { margin-top: 8px; }

  .content { margin-left: 0; padding: 0 22px 48px; }

  .nav {
    overflow-x: auto;
    scrollbar-width: none;
    gap: 22px;
  }
  .nav::-webkit-scrollbar { display: none; }

}

@media (max-width: 700px) {

  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(odd) { border-left: none; padding-left: 0; }
  .stat:nth-child(even) { padding-left: 22px; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--rule); }

  .doing { grid-template-columns: 1fr; }
  .now { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: 1fr; }
  .post-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  html { scroll-behavior: auto; }
}


/*═══════════ 昼夜切换 ═══════════*/

.theme-toggle {
  margin-left: auto;
  align-self: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  display: grid; place-items: center;
  color: var(--ink-soft);
  transition: all 0.3s var(--ease-out);
  flex: none;
}

.theme-toggle:hover {
  color: var(--teal);
  border-color: var(--teal);
  transform: rotate(30deg);
}

.theme-toggle svg { width: 17px; height: 17px; grid-area: 1 / 1; transition: opacity 0.3s, transform 0.4s var(--ease-out); }

/* 亮色时显示月亮（点了进入夜航），暗色时显示太阳 */
.ic-sun { opacity: 0; transform: scale(0.5) rotate(-60deg); }
.ic-moon { opacity: 1; }

:root[data-theme="dark"] .ic-sun { opacity: 1; transform: none; }
:root[data-theme="dark"] .ic-moon { opacity: 0; transform: scale(0.5) rotate(60deg); }

/* 夜航微调：文章封面（浅色 SVG）压暗，服务图标提亮 */
:root[data-theme="dark"] .post-cover img { filter: brightness(0.82) contrast(1.05); }
:root[data-theme="dark"] .doing-item img { filter: brightness(1.9) saturate(0.85); }
:root[data-theme="dark"] .tool-card:hover { box-shadow: 0 30px 60px -28px rgba(0, 0, 0, 0.65); }
:root[data-theme="dark"] .now { border: 1px solid var(--rule); }
:root[data-theme="dark"] .stats { border-top-color: var(--teal); }


/*═══════════ 文章详情页 ═══════════*/

.article-body { background: var(--paper); }

.article-page {
  max-width: 740px;
  margin: 0 auto;
  padding: clamp(28px, 5vh, 56px) 24px clamp(60px, 10vh, 110px);
}

.article-top a {
  font-size: 11px; letter-spacing: 0.2em;
  color: var(--ink-soft);
  transition: color 0.25s;
}

.article-top a:hover { color: var(--teal); }

.article-head {
  margin: clamp(36px, 7vh, 64px) 0 clamp(32px, 5vh, 48px);
  padding-bottom: 28px;
  border-bottom: 1px solid var(--rule);
}

.article-title-lg {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700; line-height: 1.35;
  letter-spacing: 0.01em;
  margin: 16px 0 14px;
  text-wrap: balance;
}

.article-subtitle {
  font-size: 15.5px; color: var(--ink-soft);
}

/* 正文排版 */
.prose { font-size: 16px; line-height: 2.0; }

.prose p { margin: 0 0 1.4em; }

.prose h2 {
  font-family: var(--serif);
  font-size: clamp(21px, 2.2vw, 26px);
  margin: 2.2em 0 0.9em;
  padding-left: 14px;
  border-left: 4px solid var(--signal);
  line-height: 1.5;
}

.prose h3 {
  font-family: var(--serif);
  font-size: 18px;
  margin: 1.8em 0 0.7em;
  color: var(--teal);
}

.prose strong { color: var(--teal); font-weight: 600; }

.prose ul, .prose ol { margin: 0 0 1.4em; padding-left: 1.6em; }
.prose li { list-style: inherit; margin-bottom: 0.4em; }
.prose ul li { list-style: none; position: relative; }
.prose ul li::before {
  content: "·"; position: absolute; left: -1.1em;
  color: var(--signal); font-weight: 700;
}

.prose blockquote {
  margin: 0 0 1.4em; padding: 12px 22px;
  border-left: 3px solid var(--teal);
  background: var(--card);
  border-radius: 0 10px 10px 0;
  color: var(--ink-soft);
}

.prose hr {
  border: none; height: 1px;
  background: var(--rule);
  margin: 2.4em auto; width: 60%;
}

.prose code {
  font-family: var(--mono); font-size: 0.86em;
  background: var(--paper-deep);
  padding: 2px 7px; border-radius: 5px;
}

.prose a { color: var(--teal); border-bottom: 1px dashed var(--teal); }

.prose table {
  border-collapse: collapse; width: 100%;
  margin: 0 0 1.6em; font-size: 14px;
  display: block; overflow-x: auto;
}
.prose th, .prose td { border: 1px solid var(--rule); padding: 8px 14px; text-align: left; }
.prose th { font-family: var(--mono); font-size: 12px; background: var(--card); }

.article-foot {
  margin-top: clamp(48px, 8vh, 80px);
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  text-align: center;
}

.article-foot .mono { font-size: 10.5px; letter-spacing: 0.3em; color: var(--ink-soft); margin-bottom: 18px; }

.article-back {
  display: inline-block;
  font-size: 14px; color: var(--teal);
  border: 1px solid var(--rule);
  padding: 10px 26px; border-radius: 99px;
  transition: all 0.25s;
}

.article-back:hover { border-color: var(--teal); transform: translateY(-2px); }

/* 文章列表里的「即将发布」卡 */
.post.is-coming { opacity: 0.62; cursor: default; }
.post.is-coming:hover h3 { color: inherit; }
.post.is-coming:hover .post-cover img { transform: none; }
.coming-chip {
  color: var(--signal);
  border: 1px dashed var(--signal);
  padding: 1px 8px; border-radius: 99px;
  font-size: 10px;
}

/* 项目条目外链 */
.v-link { transition: color 0.25s; }
.v-link:hover { color: var(--teal); }
.v-link .mono { display: inline; font-size: 0.75em; color: var(--signal); }


/*═══════════ 装备页 ═══════════*/

.lede-link { color: var(--teal); border-bottom: 1px dashed var(--teal); }

.gear-root .sec-title { margin-top: clamp(36px, 5vh, 56px); }
.gear-root .sec-title:first-child { margin-top: clamp(28px, 4vh, 44px); }

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

.gear-item {
  display: flex; flex-direction: column; gap: 8px;
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: var(--card);
  padding: 20px 22px 16px;
  transition: all 0.3s var(--ease-out);
}

a.gear-item:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -24px rgba(11, 75, 88, 0.4);
}

.gear-item.is-soon { opacity: 0.6; }

.gear-tag {
  font-size: 10px; letter-spacing: 0.18em; color: var(--teal);
  display: flex; align-items: center; gap: 8px;
}

.gear-hot {
  color: #fff; background: var(--signal);
  font-weight: 500; letter-spacing: 0.1em;
  padding: 1px 8px; border-radius: 99px; font-size: 9px;
}

.gear-item h4 { font-family: var(--serif); font-size: 17px; color: var(--ink); }

.gear-desc { font-size: 12.5px; color: var(--ink-soft); line-height: 1.7; flex: 1; }

.gear-foot {
  display: flex; align-items: center; gap: 10px;
  border-top: 1px dashed var(--rule);
  padding-top: 10px; margin-top: 6px;
  font-size: 11px; min-height: 32px;
}

.gear-foot .go { margin-left: auto; opacity: 1; transform: none; color: var(--teal); }
.gear-soon { margin-left: auto; color: var(--ink-soft); font-size: 10.5px; letter-spacing: 0.1em; }

/* 复制芯片（邀请码 / 地址通用） */
.copy-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 10.5px; color: var(--signal);
  border: 1px dashed var(--signal);
  border-radius: 99px; padding: 3px 12px;
  transition: all 0.25s;
}

.copy-chip b { font-weight: 600; letter-spacing: 0.08em; }
.copy-chip .copy-hint { opacity: 0.65; }
.copy-chip:hover { background: rgba(194, 87, 27, 0.08); }
.copy-chip.copied { border-style: solid; background: rgba(194, 87, 27, 0.12); }


/*═══════════ 联系页：频道卡片 + 打赏 ═══════════*/

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

.contact-card {
  display: block;
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: var(--card);
  padding: 20px 22px;
  transition: all 0.3s var(--ease-out);
}

a.contact-card:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -24px rgba(11, 75, 88, 0.4);
}

.contact-card.is-soon { opacity: 0.55; }

.contact-k { font-size: 10px; letter-spacing: 0.2em; color: var(--teal); margin-bottom: 8px; }
.contact-handle { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.contact-note { font-size: 12px; color: var(--ink-soft); }

.tips-card {
  border: 1px solid var(--rule);
  border-radius: 14px;
  background: var(--card);
  padding: clamp(20px, 3vw, 32px);
}

.tips-lede { font-size: 14.5px; color: var(--ink-soft); margin-bottom: 18px; max-width: 38em; }

.tips-grid { display: flex; flex-wrap: wrap; gap: 12px; }

.tip-item {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--paper);
  padding: 10px 16px;
  color: var(--ink);
  transition: all 0.25s;
  max-width: 100%;
}

button.tip-item, a.tip-item { cursor: pointer; }
button.tip-item:hover, a.tip-item:hover { border-color: var(--teal); color: var(--teal); }

.tip-item .tip-label { color: var(--signal); letter-spacing: 0.08em; font-size: 11px; }
.tip-item .tip-addr {
  max-width: 220px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
  opacity: 0.8;
}
.tip-item .copy-hint { color: var(--teal); }
.tip-item.is-soon { opacity: 0.55; }
.tip-item.copied { border-color: var(--signal); }


/*═══════════ 文章页：紧凑列表 ═══════════*/

.wlist { border-top: 1px solid var(--rule); }

.wlist-item {
  display: grid;
  grid-template-columns: 76px 96px 1fr auto;
  gap: 18px; align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--rule);
  transition: background 0.25s;
}

a.wlist-item:hover { background: var(--card); }
a.wlist-item:hover h4 { color: var(--teal); }

.wlist-item h4 {
  font-family: var(--serif);
  font-size: 16.5px; font-weight: 600;
  color: var(--ink);
  transition: color 0.25s;
}

.w-date { font-size: 11px; color: var(--ink-soft); }
.w-cat { font-size: 10px; letter-spacing: 0.1em; color: var(--teal); }
.w-src { font-size: 10.5px; color: var(--ink-soft); }

.wlist-item.is-coming { opacity: 0.55; }
.wlist-item.is-hidden, .post.is-hidden, .gear-item.is-hidden { display: none; }

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

@media (max-width: 640px) {
  .gear-grid, .contact-grid { grid-template-columns: 1fr; }
  .wlist-item { grid-template-columns: 1fr auto; }
  .wlist-item h4 { grid-column: 1 / -1; order: -1; }
}

/* 韭菜群特殊卡：信号橙描边，和普通频道卡区分 */
.contact-card.hot {
  border: 1px dashed var(--signal);
  background: linear-gradient(150deg, rgba(194, 87, 27, 0.06) 0%, var(--card) 60%);
}
.contact-card.hot .contact-k { color: var(--signal); }
a.contact-card.hot:hover {
  border-color: var(--signal); border-style: solid;
  box-shadow: 0 20px 40px -24px rgba(194, 87, 27, 0.45);
}


/*═══════════ 航海播报（左舷轮播插槽）═══════════*/

.rail-mid {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.6vw, 22px);
  min-width: 0;
}

.rail-mid .compass { flex: none; }

/* 播报卡：去盒子，改为引用式左竖线——和圆形罗盘不再打架 */
.broadcast {
  flex: 1;
  min-width: 0;
  border-left: 2px solid var(--sea-line);
  padding: 3px 0 3px 16px;
  transition: border-color 0.3s;
}

.broadcast:hover { border-left-color: var(--signal); }

.bc-tag {
  display: flex; align-items: center; gap: 7px;
  font-size: 9px; letter-spacing: 0.22em;
  color: var(--foam); opacity: 0.65;
  margin-bottom: 7px;
  text-transform: uppercase;
}

.bc-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--signal); flex: none;
  animation: pulse 2.4s ease-in-out infinite;
}

.bc-text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  font-size: 12.5px; line-height: 1.65;
  color: var(--foam-bright);
  min-height: 2.6em;
  transition: color 0.25s;
}

.bc-text:hover { color: #fff; }

.bc-text.bc-swap { animation: bc-in 0.55s var(--ease-out); }

@keyframes bc-in {
  from { opacity: 0; transform: translateY(9px); }
  to { opacity: 1; transform: none; }
}

/* 刻度式指示器 */
.bc-dots { display: flex; gap: 6px; margin-top: 9px; }

.bc-dots button {
  width: 14px; height: 3px; border-radius: 2px;
  background: var(--sea-line);
  padding: 0;
  transition: background 0.3s, width 0.3s;
}

.bc-dots button.active { background: var(--signal); width: 22px; }
.bc-dots button:hover:not(.active) { background: var(--foam); }

@media (max-width: 1023px) {
  /* 移动端罗盘隐藏，播报卡占满整行 */
  .rail-mid { width: 100%; }
}

/* 文章页尾关注卡 */
.follow-card {
  text-align: left;
  border: 1px dashed var(--rule);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: 26px;
  background: var(--card);
}
.follow-lede { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 14px; }
.follow-row { display: flex; gap: 12px; flex-wrap: wrap; }
.follow-btn {
  flex: 1; min-width: 200px;
  display: block;
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 12px 18px;
  transition: all 0.25s;
}
.follow-btn b { display: block; font-size: 14px; color: var(--teal); margin-bottom: 2px; }
.follow-btn span { font-size: 11.5px; color: var(--ink-soft); }
a.follow-btn:hover { border-color: var(--teal); transform: translateY(-2px); }