/* =========================================================
   好想砍传奇 · 主样式
   设计语言参考 598gm：浅色打底 / 深色点缀 / 一色强调 / 零阴影
   标题字体：马善政毛笔楷书（Ma Shan Zheng），离线回退楷体
   ========================================================= */

:root {
  /* 底色 */
  --bg:        #f7f6f3;
  --white:     #ffffff;
  --dark:      #1c1a17;
  --dark-2:    #14120f;

  /* 强调 */
  --red:       #b02a2a;
  --red-hover: #c93333;
  --gold:      #e0a94e;
  --gold-soft: #f2c775;

  /* 文字 */
  --text:      #333333;
  --text-2:    #666666;
  --text-3:    #999999;
  --tx-dark:   #f0ead9;
  --tx-dark-2: #9d968a;
  --tx-dark-3: #8d857a;

  /* 线条 */
  --line:      #e8e5de;
  --line-dark: #33302a;

  /* 标题书法字体 */
  --font-brush: 'Ma Shan Zheng', 'STKaiti', 'KaiTi', 'Kaiti SC', 'FZKai-Z03S', serif;

  --r-card: 10px;
  --r-btn:  6px;
  --wrap:   1080px;
}

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

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", "Hiragino Sans GB", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: color .2s, background .2s, border-color .2s; }
h1, h2, h3, h4 { font-weight: bold; line-height: 1.35; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }

/* ============ 顶部信息条 ============ */
.topbar {
  background: var(--dark-2);
  font-size: 13px;
  color: var(--tx-dark-3);
}
.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.topbar a { color: var(--gold); }
.topbar a:hover { color: var(--gold-soft); }

/* ============ 品牌头 ============ */
.site-header {
  background: var(--dark);
  border-bottom: 3px solid var(--red);
  position: sticky;
  top: 0;
  z-index: 80;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-family: var(--font-brush);
  overflow: hidden;
  flex-shrink: 0;
}
/* 后台上传的头像图片铺满 logo 方块 */
.logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 8px;
}
.brand-txt h1 {
  font-size: 27px;
  font-weight: normal;
  font-family: var(--font-brush);
  letter-spacing: 4px;
  color: var(--tx-dark);
}
.brand-txt .sub {
  font-size: 13px;
  color: var(--tx-dark-3);
  letter-spacing: 1px;
}

/* 导航 */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--tx-dark-3);
  border-radius: var(--r-btn);
}
.nav a:hover { color: var(--gold); }
.nav a.nav-cta {
  border: 1px solid var(--red);
  color: var(--gold);
  margin-left: 8px;
}
.nav a.nav-cta:hover {
  background: var(--red);
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gold);
  transition: .3s;
}

/* ============ 公告跑马灯 ============ */
.notice {
  background: var(--dark-2);
  border-bottom: 1px solid rgba(255,255,255,.07);
  overflow: hidden;
  white-space: nowrap;
  padding: 9px 0;
  font-size: 14px;
  color: var(--gold);
}
.notice span {
  display: inline-block;
  padding-left: 100%;
  animation: run 45s linear infinite;
}
.notice:hover span { animation-play-state: paused; }
@keyframes run {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-100%); }
}

/* ============ 主视觉：左文案 + 右二维码 ============ */
.hero {
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(
    45deg,
    rgba(28,26,23,.022) 0 1px,
    transparent 1px 11px
  );
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  align-items: center;
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 64px;
}
.hero-main { text-align: center; }
.hero-tag {
  display: inline-block;
  margin-bottom: 22px;
}
.hero-tag span {
  display: inline-block;
  padding: 5px 16px;
  background: var(--red);
  color: #fff;
  font-size: 13px;
  border-radius: 20px;
  letter-spacing: 1px;
}
.hero-title {
  font-size: 68px;
  font-weight: normal;
  font-family: var(--font-brush);
  letter-spacing: 10px;
  color: var(--dark);
  padding-left: 10px;
  margin-bottom: 16px;
}
.hero-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--red);
  margin: 18px auto 0;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-2);
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.hero-note {
  font-size: 14px;
  color: var(--text-3);
  letter-spacing: 1px;
  margin-bottom: 34px;
}
.hero-btns {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* 按钮 */
.btn {
  display: inline-block;
  padding: 11px 30px;
  border-radius: var(--r-btn);
  font-size: 15px;
  font-weight: bold;
  border: 1px solid var(--red);
  color: var(--red);
  background: transparent;
}
.btn:hover { background: var(--red); color: #fff; }
.btn-solid { background: var(--red); color: #fff; }
.btn-solid:hover { background: var(--red-hover); border-color: var(--red-hover); }

/* ---------- Hero 右侧二维码卡 ---------- */
.wx-hero {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  border-radius: var(--r-card);
  padding: 22px 20px 18px;
  text-align: center;
}
.wx-hero-head h3 {
  font-size: 22px;
  font-weight: normal;
  font-family: var(--font-brush);
  color: var(--dark);
  letter-spacing: 3px;
}
.wx-hero-head p {
  font-size: 13px;
  color: var(--text-3);
  margin: 4px 0 14px;
}
.wx-qr-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 240px;
  margin: 0 auto 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wx-qr-frame img { width: 100%; height: 100%; object-fit: contain; display: block; }
.wx-qr-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-align: center;
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.9;
  background: repeating-linear-gradient(45deg, #fbfaf8 0 8px, #f4f2ee 8px 16px);
}
.wx-qr-empty small { font-size: 11px; color: #bbb; }
.wx-hero-id {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-2);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-btn);
  padding: 7px 12px;
  margin-bottom: 12px;
}
.wx-hero-id b {
  color: var(--dark);
  font-size: 15px;
  letter-spacing: .5px;
}
.wx-copy {
  font-size: 12px;
  padding: 3px 10px;
  border: 1px solid var(--red);
  border-radius: 4px;
  color: var(--red);
  background: transparent;
}
.wx-copy:hover { background: var(--red); color: #fff; }
.wx-hero-tip {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.7;
}

/* ============ 通用区块 ============ */
.sec { padding: 56px 0; }
.sec:last-of-type { padding-bottom: 64px; }

.sec-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 6px;
  font-size: 30px;
  font-weight: normal;
  font-family: var(--font-brush);
  color: #222;
  letter-spacing: 4px;
}
.sec-title::before,
.sec-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.sec-sub {
  text-align: center;
  font-size: 14px;
  color: var(--text-3);
  letter-spacing: 1px;
  margin-bottom: 30px;
}

/* ============ 四大好玩理由（深色板块） ============ */
.reasons {
  background: linear-gradient(180deg, #16130f 0%, #1c1915 100%);
  border-top: 3px solid var(--red);
  border-bottom: 3px solid var(--red);
  padding: 66px 0 70px;
}
.rs-title {
  position: relative;
  display: table;
  margin: 0 auto 10px;
  text-align: center;
  font-size: 36px;
  font-weight: normal;
  font-family: var(--font-brush);
  color: #f0c060;
  letter-spacing: 10px;
  padding: 0 26px;
  text-shadow: 0 2px 10px rgba(224, 169, 78, .25);
}
/* 标题两侧金色装饰线 + 菱形 */
.rs-title::before,
.rs-title::after {
  content: "◆";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: rgba(224, 169, 78, .55);
}
.rs-title::before { left: -18px; }
.rs-title::after  { right: -18px; }
.rs-sub {
  text-align: center;
  font-size: 14px;
  color: #9a917f;
  letter-spacing: 3px;
  margin-bottom: 42px;
}
.rs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.rs-card {
  position: relative;
  border: 1px solid rgba(224, 169, 78, .18);
  border-radius: var(--r-card);
  background: linear-gradient(180deg, #241f18 0%, #1e1a14 100%);
  padding: 30px 22px 26px;
  text-align: center;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.rs-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 46px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: .8;
}
.rs-card:hover {
  border-color: rgba(224, 169, 78, .65);
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .45);
}
.rs-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  font-size: 30px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, rgba(224, 169, 78, .22), rgba(224, 169, 78, .06));
  border: 1px solid rgba(224, 169, 78, .35);
  box-shadow: inset 0 0 12px rgba(224, 169, 78, .08);
  margin-bottom: 16px;
}
.rs-card b {
  display: block;
  font-size: 19px;
  font-weight: normal;
  font-family: var(--font-brush);
  color: #f0c060;
  letter-spacing: 4px;
  margin-bottom: 10px;
}
.rs-card p {
  font-size: 13px;
  color: #cfc6b4;
  line-height: 1.9;
  text-align: left;
}

/* ============ 背景音乐按钮（站点头部内 · 吸顶常显） ============ */
.bgm-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(224, 169, 78, .45);
  background: rgba(224, 169, 78, .08);
  color: var(--gold);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: border-color .2s, background .2s, color .2s;
}
.bgm-btn:hover {
  border-color: var(--gold);
  background: rgba(224, 169, 78, .18);
  color: var(--gold-soft);
}
/* 播放中：音波跳动 + 金色光晕 */
.bgm-btn.is-playing {
  border-color: var(--gold);
  background: rgba(224, 169, 78, .2);
  color: var(--gold-soft);
  animation: bgmGlow 2.2s ease-in-out infinite;
}
/* 播放中把音符图标换成跳动的音波条 */
.bgm-bars { display: none; align-items: flex-end; gap: 2px; height: 14px; }
.bgm-btn.is-playing .bgm-bars { display: inline-flex; }
.bgm-btn.is-playing .bgm-ico  { display: none; }
.bgm-bars i {
  width: 3px;
  background: currentColor;
  border-radius: 1px;
  transform-origin: bottom;
  animation: bgmEq 1s ease-in-out infinite;
}
.bgm-bars i:nth-child(1) { height: 8px;  animation-delay: 0s;   }
.bgm-bars i:nth-child(2) { height: 14px; animation-delay: .18s; }
.bgm-bars i:nth-child(3) { height: 10px; animation-delay: .36s; }
.bgm-bars i:nth-child(4) { height: 12px; animation-delay: .5s;  }
@keyframes bgmEq {
  0%, 100% { transform: scaleY(.35); }
  50%      { transform: scaleY(1);   }
}
@keyframes bgmGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(224, 169, 78, 0); }
  50%      { box-shadow: 0 0 0 5px rgba(224, 169, 78, .18); }
}
@media (max-width: 820px) {
  /* 移动端：隐藏导航后，按钮贴到菜单按钮左侧 */
  .bgm-btn { margin-left: auto; }
}
@media (max-width: 720px) {
  .bgm-btn { padding: 7px 10px; gap: 5px; }
  .bgm-btn .bgm-txt { display: none; }
}

/* ============ 劫持处理 · 玩家教程 ============ */
.gd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.gd-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--red);
  border-radius: var(--r-card);
  padding: 24px 26px;
  display: flex;
  flex-direction: column;
}
.gd-card:nth-child(2) { border-top-color: var(--gold); }
.gd-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.gd-head b { font-size: 17px; }
.gd-no {
  flex-shrink: 0;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 12px;
}
.gd-card:nth-child(2) .gd-no { background: var(--gold); color: var(--dark); }
.gd-steps { counter-reset: gd; }
.gd-steps li {
  counter-increment: gd;
  position: relative;
  padding: 8px 0 8px 36px;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px dashed var(--line);
  list-style: none;
}
.gd-steps li:last-child { border-bottom: none; }
.gd-steps li::before {
  content: counter(gd);
  position: absolute;
  left: 0;
  top: 10px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(176, 42, 42, .1);
  color: var(--red);
  font-size: 12px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gd-steps a { color: var(--red); text-decoration: underline; }
.gd-steps a:hover { color: var(--red-hover); }
.gd-steps b { color: var(--red); font-weight: bold; }
.gd-btn {
  margin-top: auto;
  text-align: center;
  display: block;
  padding: 10px 18px;
}
.gd-tip {
  margin-top: 18px;
  padding: 14px 20px;
  border-radius: var(--r-btn);
  background: var(--dark);
  color: var(--tx-dark-2);
  font-size: 13px;
  text-align: center;
}
.gd-tip b { color: var(--gold); }
.gd-tip a { color: var(--gold); text-decoration: underline; }

/* ============ 想玩哪个 · 版本选择 ============ */
.ver-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 360px));
  justify-content: center;   /* 无论几张卡，整组居中 */
  gap: 20px;
}
.ver-empty {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 14px;
  color: var(--text-3);
  border: 1px dashed var(--line);
  border-radius: var(--r-card);
  padding: 48px 20px;
}
.ver-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(224, 169, 78, .38);
  border-radius: var(--r-card);
  background: linear-gradient(180deg, #2a2118, #1c150e);
  overflow: hidden;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.ver-card:hover {
  border-color: var(--gold);
  transform: translateY(-5px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .35), 0 0 0 1px rgba(224, 169, 78, .18);
}
.ver-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  display: inline-block;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #c93333, #9c2424);
  color: #fff;
  letter-spacing: 1px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .45);
}
.ver-tag.is-gold {
  background: linear-gradient(135deg, #f2c775, #d99a2b);
  color: #3d2c05;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .45);
}
.ver-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px 18px 18px;
}
.ver-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(224, 169, 78, .18);
}
.ver-row:first-child { padding-top: 0; }
.ver-label {
  flex: none;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 1px;
  white-space: nowrap;
}
.ver-label::before { content: "❖ "; font-size: 10px; }
.ver-name {
  font-size: 21px;
  font-weight: bold;
  font-family: var(--font-brush);
  color: #f2c775;
  letter-spacing: 2px;
  line-height: 1.3;
}
.ver-sub2 {
  font-size: 13px;
  color: #c9bda9;
  letter-spacing: 1px;
  line-height: 1.5;
}
.ver-feats { margin: 12px 0 16px; flex: 1; }
.ver-feats li {
  position: relative;
  font-size: 13.5px;
  color: #d8cdba;
  padding-left: 26px;
  line-height: 2.05;
}
.ver-feats li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 7px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: rgba(224, 169, 78, .16);
  color: var(--gold);
  font-size: 10px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ver-btn {
  flex: 1;
  min-width: 0;
  text-align: center;
  display: inline-block;
  padding: 10px 12px;
  font-size: 15px;
  border-radius: var(--r-btn);
  background: linear-gradient(135deg, #c93333, #a02424);
  color: #fff;
  font-weight: bold;
  letter-spacing: 2px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .35);
  transition: transform .2s, box-shadow .2s, background .2s;
}
.ver-btn:hover {
  background: var(--red-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(176, 42, 42, .32);
}
.ver-btn.is-ghost {
  background: transparent;
  border: 1px solid var(--red);
  color: var(--red);
  box-shadow: none;
}
.ver-btn.is-ghost:hover { background: var(--red); color: #fff; box-shadow: 0 8px 18px rgba(176, 42, 42, .32); }
/* 按钮组（下载 + 加玩家群） */
.ver-btns { display: flex; flex-wrap: wrap; gap: 10px; }
.ver-btn-group {
  background: linear-gradient(135deg, #3d8be8, #2568c4);
  border: 1px solid #2f7bd9;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .35);
}
.ver-btn-group:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(47, 123, 217, .35);
}
.ver-btn-group.is-nolink { cursor: pointer; }
/* 只有一个版本时：单卡收窄居中 */
.ver-grid.is-single { grid-template-columns: minmax(320px, 440px); justify-content: center; }
.ver-grid.is-single .ver-card {
  width: 100%;
  margin: 0 auto;
}
/* 后台自定义颜色的按钮：hover 用滤镜压暗，不覆盖内联色 */
.ver-btn[style]:hover { filter: brightness(.88); }
.ver-btn[style].is-ghost { background: transparent; }
.ver-btn[style].is-ghost:hover { background: transparent; }
/* 副标题前的小圆点（在线状态感，带呼吸光圈） */
.ver-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2e9e5b;
  margin-right: 6px;
  vertical-align: 1px;
  animation: verPulse 2.2s ease-in-out infinite;
}
@keyframes verPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(46, 158, 91, .45); }
  50%      { box-shadow: 0 0 0 4px rgba(46, 158, 91, 0); }
}
.ver-pic {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #241c13, #17110b);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ver-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.ver-card:hover .ver-pic img { transform: scale(1.07); }
.ver-pic-empty {
  text-align: center;
  font-size: 13px;
  color: #8d8064;
  line-height: 1.9;
}
.ver-pic-empty small { font-size: 11px; color: #6d6350; }

/* ============ 下载横幅 ============ */
.dl {
  background: var(--dark);
  border-top: 3px solid var(--red);
  border-bottom: 3px solid var(--red);
  padding: 44px 0;
}
.dl-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.dl-txt h3 {
  font-size: 24px;
  font-weight: normal;
  font-family: var(--font-brush);
  color: var(--tx-dark);
  letter-spacing: 3px;
  margin-bottom: 6px;
}
.dl-txt p {
  font-size: 14px;
  color: var(--tx-dark-3);
}
.dl-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.dl .btn { color: var(--gold); }
.dl .btn:hover { background: var(--red); color: #fff; }
.dl .btn-solid { color: #fff; }
.dl-meta {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
  color: var(--tx-dark-3);
}

/* ============ 页脚 ============ */
footer {
  background: var(--dark);
  padding: 30px 0 34px;
  text-align: center;
  font-size: 13px;
  color: var(--tx-dark-3);
}
.f-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-bottom: 18px;
}
.f-links a { color: var(--tx-dark-3); }
.f-links a:hover { color: var(--gold); }
.f-info { margin-bottom: 10px; }
.f-tip {
  color: #6b6459;
  line-height: 1.9;
  margin-bottom: 10px;
}
.f-beian a { color: #6b6459; }
.f-beian a:hover { color: var(--gold); }

/* ============ 轻提示 ============ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(14px);
  background: var(--dark);
  color: var(--gold);
  border: 1px solid var(--line-dark);
  padding: 10px 22px;
  border-radius: var(--r-btn);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s, transform .22s;
  z-index: 300;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ 响应式 ============ */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 48px;
    padding-bottom: 48px;
  }
  .wx-hero { max-width: 340px; margin: 0 auto; }
  .rs-grid { grid-template-columns: repeat(2, 1fr); }
  .ver-grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark);
    border-top: 1px solid var(--line-dark);
    border-bottom: 3px solid var(--red);
    padding: 10px 16px 16px;
    gap: 2px;
  }
  .nav.open a { padding: 12px 4px; border-radius: 0; }
  .nav.open a.nav-cta {
    margin: 8px 0 0;
    text-align: center;
    border-radius: var(--r-btn);
  }
  .nav-toggle { display: flex; }
  .site-header .wrap { position: relative; }
}

@media (max-width: 720px) {
  .hero-title { font-size: 46px; letter-spacing: 6px; padding-left: 6px; }
  .hero-title::after { margin-top: 14px; }
  .hero-sub { font-size: 15px; }
  .hero-btns { gap: 10px; }
  .btn { padding: 10px 22px; font-size: 14px; }
  .sec { padding: 40px 0; }
  .sec-title { font-size: 24px; letter-spacing: 3px; }
  .rs-title { font-size: 27px; letter-spacing: 5px; }
  .rs-grid { grid-template-columns: 1fr; }
  .rs-card p { text-align: center; }
  .ver-card { grid-template-columns: 1fr; padding: 20px; }
  .ver-pic { min-height: 170px; }
  .brand-txt h1 { font-size: 22px; letter-spacing: 2px; }
  .brand-txt .sub { font-size: 12px; }
  .logo { width: 44px; height: 44px; font-size: 24px; }
  .dl-inner { flex-direction: column; align-items: flex-start; }
  .dl-meta { gap: 8px; flex-direction: column; }
  .topbar .hide-m { display: none; }
}