/* desknotes_sx · 青磁协议 Protocol Desk */
:root {
  --j2ow13-void: #070b0f;
  --j2ow13-panel: #0c1218;
  --j2ow13-panel-2: #111a22;
  --j2ow13-line: rgba(94, 234, 212, 0.16);
  --j2ow13-line-strong: rgba(94, 234, 212, 0.42);
  --j2ow13-cyan: #5eead4;
  --j2ow13-cyan-dim: #2dd4bf;
  --j2ow13-ink: #e7eef2;
  --j2ow13-mute: rgba(231, 238, 242, 0.62);
  --j2ow13-warn: #f0b429;
  --j2ow13-max: 1140px;
  --j2ow13-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --j2ow13-display: "Bahnschrift", "DIN Alternate", "Segoe UI Variable Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  --j2ow13-sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --j2ow13-mono: "Cascadia Mono", "Consolas", "SF Mono", "Sarasa Mono SC", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.j2ow13-body {
  margin: 0;
  color: var(--j2ow13-ink);
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(45, 212, 191, 0.09), transparent 55%),
    radial-gradient(700px 420px at 0% 20%, rgba(15, 60, 70, 0.35), transparent 50%),
    var(--j2ow13-void);
  font-family: var(--j2ow13-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.j2ow13-skip {
  position: absolute; left: -9999px; z-index: 100;
  background: #fff; color: #000; padding: 0.5rem 1rem;
}
.j2ow13-skip:focus { left: 1rem; top: 1rem; }

/* 顶栏 */
.j2ow13-top {
  position: fixed; inset: 0 0 auto; z-index: 60;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem clamp(1rem, 4vw, 2.8rem);
  color: var(--j2ow13-ink);
  border-bottom: 1px solid transparent;
  transition: background .4s var(--j2ow13-ease), border-color .4s, backdrop-filter .4s;
}
.j2ow13-top.is-on {
  background: rgba(7, 11, 15, 0.82);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--j2ow13-line);
}
.j2ow13-logo {
  font-family: var(--j2ow13-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.j2ow13-logo span {
  margin-left: 0.65rem;
  font-family: var(--j2ow13-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  font-weight: 500;
  color: var(--j2ow13-cyan);
  opacity: 0.9;
  vertical-align: 0.05em;
}
.j2ow13-links { display: flex; gap: 1.4rem; align-items: center; }
.j2ow13-links a {
  font-family: var(--j2ow13-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.78;
  position: relative;
}
.j2ow13-links a::before {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -0.35rem;
  height: 1px;
  background: var(--j2ow13-cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--j2ow13-ease);
}
.j2ow13-links a:hover,
.j2ow13-links a[aria-current="page"] { opacity: 1; color: var(--j2ow13-cyan); }
.j2ow13-links a:hover::before,
.j2ow13-links a[aria-current="page"]::before { transform: scaleX(1); }
.j2ow13-burger {
  display: none;
  border: 1px solid var(--j2ow13-line-strong);
  background: transparent;
  color: inherit;
  padding: 0.4rem 0.7rem;
  font-family: var(--j2ow13-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}

.j2ow13-wrap { width: min(100% - 2rem, var(--j2ow13-max)); margin-inline: auto; }
.j2ow13-kicker {
  margin: 0 0 0.7rem;
  font-family: var(--j2ow13-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--j2ow13-cyan);
}
.j2ow13-h2 {
  margin: 0;
  font-family: var(--j2ow13-display);
  font-size: clamp(1.7rem, 3.6vw, 2.45rem);
  letter-spacing: 0.06em;
  line-height: 1.25;
  font-weight: 700;
}
.j2ow13-lead {
  margin: 0.95rem 0 0;
  max-width: 36rem;
  color: var(--j2ow13-mute);
  font-size: 1.02rem;
}

/* ========== Hero ========== */
.j2ow13-hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #05080c;
}
.j2ow13-hero-media {
  position: absolute; inset: 0;
  background:
    radial-gradient(520px 320px at var(--mx, 70%) var(--my, 40%), rgba(94, 234, 212, 0.14), transparent 60%),
    linear-gradient(115deg, rgba(5, 8, 12, 0.88) 0%, rgba(5, 8, 12, 0.35) 48%, rgba(5, 8, 12, 0.72) 100%),
    linear-gradient(180deg, rgba(5, 8, 12, 0.25) 0%, rgba(5, 8, 12, 0.1) 45%, rgba(5, 8, 12, 0.92) 100%),
    url("img/hero.jpg") center/cover no-repeat;
  transform: scale(1.05);
  animation: dnDrift 20s var(--j2ow13-ease) infinite alternate;
}
.j2ow13-hero-media::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--j2ow13-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--j2ow13-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.55), transparent 70%);
  opacity: 0.45;
  animation: dnGrid 18s linear infinite;
  pointer-events: none;
}
.j2ow13-hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 0%, transparent 48%, rgba(94,234,212,0.04) 49.5%, transparent 51%, transparent 100%);
  background-size: 100% 220%;
  animation: dnScan 7s linear infinite;
  pointer-events: none;
  mix-blend-mode: screen;
}
@keyframes dnDrift {
  from { transform: scale(1.05) translate3d(0,0,0); }
  to { transform: scale(1.1) translate3d(-1.5%, -1%, 0); }
}
@keyframes dnGrid {
  from { background-position: 0 0, 0 0; }
  to { background-position: 0 72px, 72px 0; }
}
@keyframes dnScan {
  0% { background-position: 0 0; opacity: 0.2; }
  40% { opacity: 0.55; }
  100% { background-position: 0 100%; opacity: 0.15; }
}

.j2ow13-hero-copy {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--j2ow13-max));
  margin: 0 auto 10vh;
  padding-top: 6.5rem;
}
.j2ow13-hero-frame {
  position: relative;
  padding: 1.4rem 0 0.2rem;
  max-width: 42rem;
}
.j2ow13-hero-frame::before,
.j2ow13-hero-frame::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 1px solid var(--j2ow13-cyan);
  opacity: 0.85;
}
.j2ow13-hero-frame::before { left: 0; top: 0; border-right: 0; border-bottom: 0; }
.j2ow13-hero-frame::after { right: 0; bottom: 0; border-left: 0; border-top: 0; }
.j2ow13-brand {
  margin: 0;
  font-family: var(--j2ow13-display);
  font-size: clamp(2.8rem, 10vw, 5.6rem);
  letter-spacing: 0.18em;
  line-height: 1;
  font-weight: 700;
  background: linear-gradient(120deg, #fff 20%, var(--j2ow13-cyan) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.j2ow13-hero-line {
  margin: 1.35rem 0 0;
  max-width: 34rem;
  padding: 0.95rem 1.15rem;
  font-size: clamp(1.08rem, 2.3vw, 1.3rem);
  line-height: 1.65;
  color: #f4f8f9;
  font-weight: 500;
  letter-spacing: 0.02em;
  background: rgba(5, 10, 14, 0.55);
  border: 1px solid rgba(94, 234, 212, 0.28);
  border-left: 2px solid var(--j2ow13-cyan);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}
.j2ow13-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.85rem;
  margin: 0.95rem 0 0;
  padding: 0;
  font-family: var(--j2ow13-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(231, 238, 242, 0.72);
}
.j2ow13-hero-tags span {
  position: relative;
  padding-right: 0.85rem;
}
.j2ow13-hero-tags span:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 1px;
  height: 0.75em;
  transform: translateY(-50%);
  background: rgba(94, 234, 212, 0.45);
}
.j2ow13-hero-meta {
  margin: 1rem 0 0;
  font-family: var(--j2ow13-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--j2ow13-cyan);
  opacity: 0.8;
}
.j2ow13-cta {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-top: 1.8rem;
}
.j2ow13-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.9rem; padding: 0 1.25rem;
  border: 1px solid transparent;
  font-family: var(--j2ow13-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: transform .22s var(--j2ow13-ease), background .22s, border-color .22s, color .22s, box-shadow .22s;
}
.j2ow13-btn:hover { transform: translateY(-2px); }
.j2ow13-btn-main {
  background: var(--j2ow13-cyan);
  color: #041014;
  font-weight: 700;
}
.j2ow13-btn-main:hover { box-shadow: 0 0 0 1px rgba(94,234,212,.35); }
.j2ow13-btn-ghost {
  border-color: var(--j2ow13-line-strong);
  color: var(--j2ow13-ink);
  background: rgba(7, 11, 15, 0.35);
  backdrop-filter: blur(6px);
}
.j2ow13-btn-ghost:hover { border-color: var(--j2ow13-cyan); color: var(--j2ow13-cyan); }
.j2ow13-btn-ink {
  background: var(--j2ow13-panel-2);
  border-color: var(--j2ow13-line);
  color: var(--j2ow13-ink);
}
.j2ow13-btn-line {
  border-color: var(--j2ow13-line-strong);
  background: transparent;
  color: var(--j2ow13-cyan);
}
.j2ow13-btn-line:hover { background: rgba(94, 234, 212, 0.08); }

/* 章节 */
.j2ow13-sec {
  padding: clamp(3.8rem, 8vw, 6.2rem) 0;
  position: relative;
}
.j2ow13-sec-fog {
  background: linear-gradient(180deg, var(--j2ow13-panel) 0%, var(--j2ow13-void) 100%);
  border-block: 1px solid var(--j2ow13-line);
}
.j2ow13-sec-pine {
  background:
    linear-gradient(160deg, rgba(5, 8, 12, 0.88), rgba(8, 24, 28, 0.9)),
    url("img/hero.jpg") center/cover no-repeat;
  border-block: 1px solid var(--j2ow13-line);
}

/* 开桌协议步 */
.j2ow13-steps-stage {
  margin-top: 2.4rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--j2ow13-line);
  border: 1px solid var(--j2ow13-line);
}
.j2ow13-step {
  background: rgba(12, 18, 24, 0.92);
  padding: 1.7rem 1.35rem 1.85rem;
  position: relative;
  overflow: hidden;
}
.j2ow13-step::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--j2ow13-cyan), transparent);
  opacity: 0;
  transition: opacity .35s;
}
.j2ow13-step:hover::before { opacity: 1; }
.j2ow13-step-no {
  display: block;
  font-family: var(--j2ow13-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--j2ow13-cyan);
  margin-bottom: 1.1rem;
}
.j2ow13-step h3 {
  margin: 0 0 0.65rem;
  font-family: var(--j2ow13-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  font-weight: 650;
}
.j2ow13-step p {
  margin: 0;
  color: var(--j2ow13-mute);
  font-size: 0.95rem;
  max-width: 20rem;
}

/* 玩法双栏 */
.j2ow13-rules-grid {
  margin-top: 2.2rem;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.4rem, 4vw, 3rem);
  align-items: start;
}
.j2ow13-pull {
  margin: 0;
  padding: 1.4rem 1.3rem;
  border: 1px solid var(--j2ow13-line);
  background:
    linear-gradient(135deg, rgba(94,234,212,0.07), transparent 55%),
    rgba(12, 18, 24, 0.8);
  font-family: var(--j2ow13-display);
  font-size: clamp(1.25rem, 2.5vw, 1.7rem);
  line-height: 1.45;
  letter-spacing: 0.04em;
}
.j2ow13-pull span {
  display: block;
  margin-top: 1.1rem;
  font-family: var(--j2ow13-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--j2ow13-cyan);
  text-transform: uppercase;
}
.j2ow13-prose { font-size: 1.02rem; }
.j2ow13-prose p { margin: 0 0 1rem; color: var(--j2ow13-mute); }
.j2ow13-prose strong { color: var(--j2ow13-ink); font-weight: 650; }
.j2ow13-rule-mark {
  margin-top: 1.2rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--j2ow13-line);
  color: var(--j2ow13-mute);
  font-size: 0.94rem;
  font-family: var(--j2ow13-mono);
  letter-spacing: 0.02em;
  line-height: 1.7;
}

/* 手记 */
.j2ow13-notes-head {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 1rem; align-items: end;
}
.j2ow13-news-list { list-style: none; margin: 1.5rem 0 0; padding: 0; border-top: 1px solid var(--j2ow13-line); }
.j2ow13-news-list > li {
  border-bottom: 1px solid var(--j2ow13-line);
  transition: background .25s var(--j2ow13-ease);
}
.j2ow13-news-list > li:hover { background: rgba(94, 234, 212, 0.04); }
.j2ow13-news-list article {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 1rem 1.6rem;
  padding: 1.35rem 0.2rem;
  align-items: start;
}
.j2ow13-news-meta {
  margin: 0;
  font-family: var(--j2ow13-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--j2ow13-cyan);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.j2ow13-news-meta span {
  color: var(--j2ow13-mute);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.j2ow13-news-title {
  margin: 0;
  font-family: var(--j2ow13-display);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  letter-spacing: 0.03em;
  line-height: 1.4;
}
.j2ow13-news-title a:hover { color: var(--j2ow13-cyan); }
.j2ow13-news-excerpt {
  margin: 0.5rem 0 0;
  color: var(--j2ow13-mute);
  font-size: 0.94rem;
  max-width: 42rem;
}
.j2ow13-news-more {
  display: inline-block;
  margin-top: 0.7rem;
  font-family: var(--j2ow13-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--j2ow13-cyan);
}
.j2ow13-news-more::after { content: " //"; opacity: 0.5; }

/* 双栏对照 */
.j2ow13-dual {
  margin-top: 1.8rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--j2ow13-line);
  border: 1px solid var(--j2ow13-line);
}
.j2ow13-dual article {
  background: rgba(12, 18, 24, 0.92);
  padding: 1.4rem 1.35rem 1.55rem;
}
.j2ow13-dual h3 {
  margin: 0 0 0.85rem;
  font-family: var(--j2ow13-display);
  font-size: 1.08rem;
  letter-spacing: 0.06em;
}
.j2ow13-dual ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.j2ow13-dual li {
  position: relative;
  padding: 0.45rem 0 0.45rem 1rem;
  color: var(--j2ow13-mute);
  font-size: 0.95rem;
  border-top: 1px solid rgba(94, 234, 212, 0.08);
}
.j2ow13-dual li:first-child { border-top: 0; }
.j2ow13-dual li::before {
  content: "";
  position: absolute; left: 0; top: 1rem;
  width: 5px; height: 1px;
  background: var(--j2ow13-cyan);
}

/* 能力矩阵：2×2 线框，非圆角卡片堆 */
.j2ow13-caps {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--j2ow13-line);
  border: 1px solid var(--j2ow13-line);
}
.j2ow13-cap {
  background: rgba(12, 18, 24, 0.92);
  padding: 1.55rem 1.4rem 1.7rem;
}
.j2ow13-cap-no {
  display: block;
  font-family: var(--j2ow13-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--j2ow13-cyan);
  margin-bottom: 0.85rem;
}
.j2ow13-cap h3 {
  margin: 0 0 0.55rem;
  font-family: var(--j2ow13-display);
  font-size: 1.12rem;
  letter-spacing: 0.06em;
}
.j2ow13-cap p { margin: 0; color: var(--j2ow13-mute); font-size: 0.95rem; max-width: 28rem; }

/* 对局流程：左时间轴 + 右图 */
.j2ow13-flow {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(1.2rem, 4vw, 2.4rem);
  align-items: stretch;
}
.j2ow13-flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--j2ow13-line-strong);
}
.j2ow13-flow-list li {
  position: relative;
  padding: 0 0 1.35rem 1.25rem;
}
.j2ow13-flow-list li:last-child { padding-bottom: 0; }
.j2ow13-flow-list li::before {
  content: "";
  position: absolute; left: -4px; top: 0.45rem;
  width: 7px; height: 7px;
  background: var(--j2ow13-cyan);
}
.j2ow13-flow-list strong {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--j2ow13-display);
  letter-spacing: 0.05em;
  font-size: 1.05rem;
}
.j2ow13-flow-list span { color: var(--j2ow13-mute); font-size: 0.95rem; }
.j2ow13-flow-shot {
  margin: 0;
  border: 1px solid var(--j2ow13-line);
  overflow: hidden;
  background: #05080c;
  min-height: 100%;
}
.j2ow13-flow-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 280px;
}

/* 安装详解：纵列条目 */
.j2ow13-guide {
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--j2ow13-line);
}
.j2ow13-guide li {
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--j2ow13-line);
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 1rem 1.4rem;
}
.j2ow13-guide-idx {
  font-family: var(--j2ow13-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--j2ow13-cyan);
  padding-top: 0.25rem;
}
.j2ow13-guide h3 {
  margin: 0 0 0.4rem;
  font-family: var(--j2ow13-display);
  font-size: 1.12rem;
  letter-spacing: 0.05em;
}
.j2ow13-guide p { margin: 0; color: var(--j2ow13-mute); max-width: 44rem; }

/* 适用场景：横条列表，错开旧站四宫格 */
.j2ow13-scenes {
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--j2ow13-line);
}
.j2ow13-scenes li {
  display: grid;
  grid-template-columns: minmax(8rem, 12rem) minmax(0, 1fr);
  gap: 1rem 1.6rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--j2ow13-line);
  align-items: start;
}
.j2ow13-scenes h3 {
  margin: 0;
  font-family: var(--j2ow13-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--j2ow13-cyan);
  line-height: 1.5;
}
.j2ow13-scenes p { margin: 0; color: var(--j2ow13-mute); font-size: 0.98rem; }

@media (max-width: 900px) {
  .j2ow13-dual,
  .j2ow13-caps { grid-template-columns: 1fr; }
  .j2ow13-flow { grid-template-columns: 1fr; }
  .j2ow13-guide li,
  .j2ow13-scenes li { grid-template-columns: 1fr; gap: 0.35rem; }
}

/* 下载 */
.j2ow13-get-row {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  justify-content: space-between;
}
.j2ow13-get-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.j2ow13-note {
  margin: 1.15rem 0 0;
  font-family: var(--j2ow13-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(231, 238, 242, 0.48);
  max-width: 40rem;
}

/* 问答 */
.j2ow13-faq { margin: 1.8rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--j2ow13-line); }
.j2ow13-faq li {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--j2ow13-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 1rem 2rem;
}
.j2ow13-faq h3 {
  margin: 0;
  font-family: var(--j2ow13-display);
  font-size: 1.12rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
}
.j2ow13-faq p { margin: 0; color: var(--j2ow13-mute); }

.j2ow13-foot {
  padding: 2.8rem clamp(1rem, 4vw, 2.8rem) 3rem;
  background: #04070a;
  border-top: 1px solid var(--j2ow13-line);
  color: var(--j2ow13-mute);
  text-align: center;
}
.j2ow13-foot strong {
  display: block;
  font-family: var(--j2ow13-display);
  font-size: 1.15rem;
  letter-spacing: 0.32em;
  color: #fff;
  margin-bottom: 0.65rem;
}
.j2ow13-foot a { color: var(--j2ow13-cyan); }
.j2ow13-foot-icp { margin: 0.8rem 0 0; font-size: 0.82rem; font-family: var(--j2ow13-mono); }
.j2ow13-foot-icp a { color: rgba(231,238,242,.45); }

/* 内页 */
.j2ow13-page-hero {
  position: relative;
  padding: 7.5rem 0 3rem;
  overflow: hidden;
  background: #05080c;
  border-bottom: 1px solid var(--j2ow13-line);
}
.j2ow13-page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,8,12,.55), rgba(5,8,12,.88)),
    linear-gradient(90deg, rgba(5,8,12,.7), transparent 55%),
    url("img/hero.jpg") center/cover no-repeat;
}
.j2ow13-page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--j2ow13-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--j2ow13-line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
  pointer-events: none;
}
.j2ow13-page-hero .j2ow13-wrap { position: relative; z-index: 1; }
.j2ow13-page-title {
  margin: 0.8rem 0 0;
  font-family: var(--j2ow13-display);
  font-size: clamp(2rem, 5.5vw, 3.1rem);
  letter-spacing: 0.14em;
}
.j2ow13-page-lead {
  margin: 1rem 0 0;
  max-width: 34rem;
  color: var(--j2ow13-mute);
  font-size: 1.02rem;
}
.j2ow13-crumb {
  display: flex; flex-wrap: wrap; gap: 0.45rem;
  align-items: center;
  font-family: var(--j2ow13-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--j2ow13-mute);
}
.j2ow13-crumb a:hover { color: var(--j2ow13-cyan); }

.j2ow13-about-block { max-width: 42rem; }
.j2ow13-about-block h2 {
  margin: 2.2rem 0 0.75rem;
  font-family: var(--j2ow13-display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
}
.j2ow13-about-block p { color: var(--j2ow13-mute); margin: 0 0 0.95rem; }
.j2ow13-timeline { margin: 1.5rem 0 0; padding: 0; list-style: none; }
.j2ow13-timeline li {
  padding: 1rem 0 1rem 1.2rem;
  border-left: 1px solid var(--j2ow13-line-strong);
  margin-left: 0.2rem;
  position: relative;
}
.j2ow13-timeline li::before {
  content: "";
  position: absolute; left: -3px; top: 1.35rem;
  width: 5px; height: 5px;
  background: var(--j2ow13-cyan);
}
.j2ow13-timeline strong {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--j2ow13-mono);
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--j2ow13-cyan);
}

/* 文章 */
.j2ow13-article-page { padding: 6.8rem 0 3.2rem; }
.j2ow13-article { max-width: 720px; }
.j2ow13-article-head { margin: 1.3rem 0 1.5rem; }
.j2ow13-article-h1 {
  margin: 0.5rem 0 0;
  font-family: var(--j2ow13-display);
  font-size: clamp(1.7rem, 3.8vw, 2.35rem);
  letter-spacing: 0.05em;
  line-height: 1.3;
}
.j2ow13-article-deck {
  margin: 0.95rem 0 0;
  color: var(--j2ow13-mute);
  font-size: 1.05rem;
}
.j2ow13-article-cover {
  margin: 0 0 1.7rem;
  overflow: hidden;
  border: 1px solid var(--j2ow13-line);
  background: #05080c;
}
.j2ow13-article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.j2ow13-article-body {
  font-size: 1.04rem;
  color: var(--j2ow13-mute);
}
.j2ow13-article-body h2 {
  margin: 1.9rem 0 0.7rem;
  color: var(--j2ow13-ink);
  font-family: var(--j2ow13-display);
  font-size: 1.28rem;
  letter-spacing: 0.06em;
}
.j2ow13-article-body p { margin: 0 0 1rem; }
.j2ow13-article-body ul, .j2ow13-article-body ol { margin: 0 0 1rem; padding-left: 1.2rem; }
.j2ow13-article-inline {
  margin: 1.3rem 0 1.6rem;
  border: 1px solid var(--j2ow13-line);
  overflow: hidden;
  background: var(--j2ow13-panel);
}
.j2ow13-article-inline img { width: 100%; }
.j2ow13-article-foot {
  margin-top: 2.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--j2ow13-line);
  color: var(--j2ow13-mute);
  font-family: var(--j2ow13-mono);
  font-size: 0.85rem;
}
.j2ow13-article-foot a { color: var(--j2ow13-cyan); }
.j2ow13-related {
  margin-top: 2.6rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--j2ow13-line);
}
.j2ow13-related-list { margin: 0.85rem 0 0; padding-left: 1.1rem; color: var(--j2ow13-mute); }
.j2ow13-related-list a:hover { color: var(--j2ow13-cyan); }

/* 动效 */
.j2ow13-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--j2ow13-ease), transform .8s var(--j2ow13-ease);
}
.j2ow13-in.is-show { opacity: 1; transform: none; }
.j2ow13-rise {
  opacity: 0;
  transform: translateY(24px);
  animation: dnUp .95s var(--j2ow13-ease) forwards;
}
.j2ow13-d1 { animation-delay: .06s; }
.j2ow13-d2 { animation-delay: .2s; }
.j2ow13-d3 { animation-delay: .34s; }
.j2ow13-d4 { animation-delay: .48s; }
@keyframes dnUp {
  to { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .j2ow13-steps-stage { grid-template-columns: 1fr; }
  .j2ow13-rules-grid { grid-template-columns: 1fr; }
  .j2ow13-faq li { grid-template-columns: 1fr; gap: 0.4rem; }
  .j2ow13-news-list article { grid-template-columns: 1fr; gap: 0.4rem; }
}
@media (max-width: 860px) {
  .j2ow13-burger { display: inline-flex; }
  .j2ow13-links {
    position: absolute; left: 0; right: 0; top: 100%;
    display: none; flex-direction: column; gap: 0;
    background: rgba(7, 11, 15, 0.96);
    border-bottom: 1px solid var(--j2ow13-line);
    padding: 0.3rem 0 0.8rem;
  }
  .j2ow13-links.is-open { display: flex; }
  .j2ow13-links a { padding: 0.8rem clamp(1rem, 4vw, 2.8rem); }
  .j2ow13-logo span { display: none; }
  .j2ow13-hero-copy { margin-bottom: 8vh; }
  .j2ow13-brand { letter-spacing: 0.1em; }
}

/* ========== 新闻/关于阅读模式：浅色正文，首页深色不动 ========== */
.j2ow13-body.j2ow13-read {
  --j2ow13-ink: #18242c;
  --j2ow13-mute: rgba(24, 36, 44, 0.72);
  --j2ow13-line: rgba(20, 60, 70, 0.12);
  --j2ow13-line-strong: rgba(15, 118, 110, 0.35);
  color: var(--j2ow13-ink);
  background:
    radial-gradient(900px 420px at 100% 0%, rgba(45, 212, 191, 0.08), transparent 55%),
    linear-gradient(180deg, #f3f6f7 0%, #eef2f4 48%, #f7f9fa 100%);
}
.j2ow13-body.j2ow13-read .j2ow13-top {
  color: #eef6f7;
  background: rgba(15, 28, 34, 0.92);
  border-bottom-color: rgba(94, 234, 212, 0.18);
  backdrop-filter: blur(12px);
}
.j2ow13-body.j2ow13-read .j2ow13-top.is-on {
  background: rgba(12, 24, 30, 0.96);
}
.j2ow13-body.j2ow13-read .j2ow13-top .j2ow13-logo,
.j2ow13-body.j2ow13-read .j2ow13-top .j2ow13-burger,
.j2ow13-body.j2ow13-read .j2ow13-top .j2ow13-links a {
  color: #eef6f7;
}
.j2ow13-body.j2ow13-read .j2ow13-top .j2ow13-logo span {
  color: #5eead4;
}
.j2ow13-body.j2ow13-read .j2ow13-top .j2ow13-links a {
  opacity: 0.92;
}
.j2ow13-body.j2ow13-read .j2ow13-top .j2ow13-links a:hover,
.j2ow13-body.j2ow13-read .j2ow13-top .j2ow13-links a[aria-current="page"] {
  color: #5eead4;
  opacity: 1;
}
.j2ow13-body.j2ow13-read .j2ow13-top .j2ow13-burger {
  border-color: rgba(238, 246, 247, 0.45);
}
.j2ow13-body.j2ow13-read .j2ow13-page-hero {
  background: #123038;
  border-bottom: 1px solid rgba(94, 234, 212, 0.2);
  color: #f4f8f9;
}
.j2ow13-body.j2ow13-read .j2ow13-page-hero::before {
  background:
    linear-gradient(180deg, rgba(12, 32, 38, 0.55), rgba(12, 32, 38, 0.82)),
    linear-gradient(90deg, rgba(12, 32, 38, 0.55), transparent 60%),
    url("img/hero.jpg") center/cover no-repeat;
}
.j2ow13-body.j2ow13-read .j2ow13-page-hero::after { opacity: 0.12; }
.j2ow13-body.j2ow13-read .j2ow13-page-hero .j2ow13-page-lead,
.j2ow13-body.j2ow13-read .j2ow13-page-hero .j2ow13-crumb {
  color: rgba(244, 248, 249, 0.86);
}
.j2ow13-body.j2ow13-read .j2ow13-page-hero .j2ow13-crumb a:hover {
  color: #5eead4;
}
/* 文章页面包屑在浅底上：加深加大 */
.j2ow13-body.j2ow13-read .j2ow13-article-page .j2ow13-crumb,
.j2ow13-body.j2ow13-read .j2ow13-article .j2ow13-crumb {
  color: rgba(24, 36, 44, 0.72);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  text-transform: none;
  margin-bottom: 0.35rem;
}
.j2ow13-body.j2ow13-read .j2ow13-article-page .j2ow13-crumb a,
.j2ow13-body.j2ow13-read .j2ow13-article .j2ow13-crumb a {
  color: #0f766e;
  font-weight: 600;
}
.j2ow13-body.j2ow13-read .j2ow13-article-page .j2ow13-crumb a:hover,
.j2ow13-body.j2ow13-read .j2ow13-article .j2ow13-crumb a:hover {
  color: #0d9488;
  text-decoration: underline;
}
.j2ow13-body.j2ow13-read .j2ow13-article-page .j2ow13-crumb span,
.j2ow13-body.j2ow13-read .j2ow13-article .j2ow13-crumb span {
  color: rgba(24, 36, 44, 0.55);
}

.j2ow13-body.j2ow13-read .j2ow13-sec {
  background: transparent;
  border: 0;
}
.j2ow13-body.j2ow13-read .j2ow13-h2,
.j2ow13-body.j2ow13-read .j2ow13-article-h1,
.j2ow13-body.j2ow13-read .j2ow13-about-block h2,
.j2ow13-body.j2ow13-read .j2ow13-news-title {
  color: #142028;
}
.j2ow13-body.j2ow13-read .j2ow13-kicker,
.j2ow13-body.j2ow13-read .j2ow13-news-meta,
.j2ow13-body.j2ow13-read .j2ow13-timeline strong {
  color: #0f766e;
}
.j2ow13-body.j2ow13-read .j2ow13-lead,
.j2ow13-body.j2ow13-read .j2ow13-news-excerpt,
.j2ow13-body.j2ow13-read .j2ow13-about-block p,
.j2ow13-body.j2ow13-read .j2ow13-article-deck,
.j2ow13-body.j2ow13-read .j2ow13-article-body,
.j2ow13-body.j2ow13-read .j2ow13-related-list,
.j2ow13-body.j2ow13-read .j2ow13-article-foot {
  color: rgba(24, 36, 44, 0.78);
}
.j2ow13-body.j2ow13-read .j2ow13-news-list > li {
  border-color: rgba(20, 60, 70, 0.12);
}
.j2ow13-body.j2ow13-read .j2ow13-news-list > li:hover {
  background: rgba(15, 118, 110, 0.05);
}
.j2ow13-body.j2ow13-read .j2ow13-news-title a:hover,
.j2ow13-body.j2ow13-read .j2ow13-news-more,
.j2ow13-body.j2ow13-read .j2ow13-article-foot a,
.j2ow13-body.j2ow13-read .j2ow13-related-list a:hover {
  color: #0f766e;
}
.j2ow13-body.j2ow13-read .j2ow13-article-page {
  padding-top: 6.2rem;
  background: #f7f9fa;
}
.j2ow13-body.j2ow13-read .j2ow13-article-cover,
.j2ow13-body.j2ow13-read .j2ow13-article-inline {
  border-color: rgba(20, 60, 70, 0.12);
  background: #e8eef0;
}
.j2ow13-body.j2ow13-read .j2ow13-article-body h2 {
  color: #142028;
  border-left: 3px solid #14b8a6;
  padding-left: 0.7rem;
}
.j2ow13-body.j2ow13-read .j2ow13-article-foot,
.j2ow13-body.j2ow13-read .j2ow13-related {
  border-top-color: rgba(20, 60, 70, 0.14);
}
.j2ow13-body.j2ow13-read .j2ow13-timeline li {
  border-left-color: rgba(15, 118, 110, 0.35);
}
.j2ow13-body.j2ow13-read .j2ow13-timeline li::before {
  background: #14b8a6;
}
.j2ow13-body.j2ow13-read .j2ow13-foot {
  background: #102028;
  border-top-color: rgba(94, 234, 212, 0.16);
}
.j2ow13-body.j2ow13-read .j2ow13-btn-line {
  border-color: rgba(15, 118, 110, 0.35);
  color: #0f766e;
}
.j2ow13-body.j2ow13-read .j2ow13-btn-line:hover {
  background: rgba(15, 118, 110, 0.08);
}
@media (max-width: 860px) {
  .j2ow13-body.j2ow13-read .j2ow13-links {
    background: rgba(12, 24, 30, 0.98);
    border-bottom-color: rgba(94, 234, 212, 0.16);
  }
}