/* =========================================================
 *  biubiu × 影之刃零 · DLSS5 神经渲染工具 介绍页
 *
 *  双色分工（硬约束）：
 *   · 氛围层 = 墨黑 + 朱红 + 鎏金（水墨 / 刀光 / 印章）
 *   · 功能层 = biubiu 蓝（仅按钮、链接、进度条、选中态）
 *   · 装饰元素一律不使用 biubiu 蓝
 * ========================================================= */

:root{
  /* —— 墨 —— */
  --ink-0:#08080A;
  --ink-1:#0C0C10;
  --ink-2:#131318;
  --ink-3:#1B1B21;
  --edge:#26262E;

  /* —— 朱 / 金 —— */
  --red:#D6453A;
  --red-deep:#8E2018;
  --gold:#E3C46B;
  --gold-dim:#8C7526;

  /* —— 字 —— */
  --paper:#EDE7D9;
  --fg-1:#A9A296;
  --fg-2:#6F6A61;

  /* —— biubiu 蓝：功能层专用 —— */
  --bb:#2A6CFF;
  --bb-2:#5BD8FF;
  --bb-soft:rgba(42,108,255,.14);
  --bb-line:rgba(42,108,255,.42);

  --radius-lg:16px;
  --radius-md:12px;
  --container:1180px;

  /* 锐利切角 */
  --cut:10px;
  --cut-lg:26px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","HarmonyOS Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--ink-0);
  color:var(--paper);
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* 书法 / 刻印感字体栈（系统衬线，零加载成本） */
.serif{
  font-family:"Songti SC","STSong","SimSun","Noto Serif SC","Source Han Serif SC","STZhongsong",serif;
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
strong,b{font-weight:700}
em{font-style:normal;color:var(--gold)}
code{
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:.9em;
  padding:2px 6px;
  color:var(--bb-2);
  background:rgba(42,108,255,.12);
  border-radius:4px;
}

.container{max-width:var(--container);margin:0 auto;padding:0 28px;width:100%}

/* ============ 首屏 ============ */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;align-items:center;
  padding:104px 0 92px;
  overflow:hidden;
  background:var(--ink-0);
}
.hero__art{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero__poster{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  object-position:64% 46%;
  /* 海报本身已是低调暗调画面（平均亮度约 12%），略微提亮以保留角色轮廓 */
  filter:brightness(1.55) contrast(1.1) saturate(.95);
}
/* 遮罩：左侧为文字留出可读区，右侧放行让角色透出，上下与四角压暗融入页面 */
.hero__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,
      rgba(8,8,10,.94) 0%,
      rgba(8,8,10,.84) 32%,
      rgba(8,8,10,.50) 50%,
      rgba(8,8,10,.20) 68%,
      rgba(8,8,10,.06) 86%,
      rgba(8,8,10,.30) 100%),
    linear-gradient(180deg,
      rgba(8,8,10,.70) 0%,
      rgba(8,8,10,.04) 20%,
      rgba(8,8,10,.04) 64%,
      rgba(8,8,10,.90) 100%),
    radial-gradient(132% 112% at 50% 46%, transparent 50%, rgba(8,8,10,.52) 100%),
    radial-gradient(860px 430px at 80% 26%, rgba(142,32,24,.22), transparent 66%),
    radial-gradient(680px 380px at 4% 92%, rgba(140,117,38,.14), transparent 70%);
}
.hero__inner{position:relative;z-index:1;width:100%}

.hero__crumbs{
  display:flex;align-items:center;gap:12px;
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:12px;letter-spacing:.24em;color:var(--gold);
  margin-bottom:22px;
}
.hero__crumbs::before{
  content:"";width:28px;height:1px;flex:none;
  background:linear-gradient(90deg,var(--red),var(--gold-dim));
}

/* —— 首发体验徽章 —— */
.hero__badge{
  display:inline-flex;align-items:center;gap:16px;
  padding:12px 20px 12px 14px;
  background:linear-gradient(90deg,rgba(142,32,24,.28),rgba(19,19,24,.7));
  border:1px solid rgba(214,69,58,.32);
  border-left:3px solid var(--red);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
  margin-bottom:30px;
  max-width:100%;
}
.hero__badgeTxt{display:flex;flex-direction:column;gap:2px;min-width:0}
.hero__badgeTxt b{font-size:15px;color:var(--paper);letter-spacing:.04em}
.hero__badgeTxt i{
  font-style:normal;font-size:12px;color:var(--fg-1);
}
.hero__badgeVer{
  font-family:ui-monospace,Consolas,monospace;font-size:11px;
  color:var(--gold);padding:3px 9px;
  background:rgba(227,196,107,.1);
  border:1px solid rgba(227,196,107,.24);
  white-space:nowrap;
}

/* —— 印章 —— */
.seal{flex:none;width:44px;height:44px}
.seal svg{width:100%;height:100%}
.seal rect{fill:var(--red-deep);stroke:var(--red);stroke-width:1.6}
.seal text{
  fill:#F5E9D8;font-size:15px;text-anchor:middle;
  font-family:"Songti SC","STSong","SimSun",serif;font-weight:700;letter-spacing:1px;
}
.seal--sm{width:38px;height:38px}
.seal--sm text{font-size:13px}

/* —— 锐利切角标题板 —— */
.hero__titlePlate{
  position:relative;
  display:inline-block;
  padding:26px 46px 30px 0;
  margin-bottom:30px;
  background:linear-gradient(100deg,rgba(8,8,10,.82),rgba(19,19,24,.42));
  clip-path:polygon(var(--cut-lg) 0,100% 0,100% calc(100% - var(--cut-lg)),calc(100% - var(--cut-lg)) 100%,0 100%,0 var(--cut-lg));
  border-right:2px solid rgba(214,69,58,.5);
}
.hero__title{
  display:block;
  font-family:"Songti SC","STSong","SimSun","Noto Serif SC","Source Han Serif SC",serif;
  font-size:clamp(38px,6.2vw,66px);
  font-weight:700;
  line-height:1.14;
  letter-spacing:.06em;
  color:var(--paper);
  text-shadow:0 2px 24px rgba(0,0,0,.6);
}
.hero__brush{display:block;margin-top:16px;width:min(340px,72%);height:12px}
.hero__brush svg{width:100%;height:100%}
.hero__brush path{fill:var(--red);opacity:.85}

.hero__lead{
  max-width:620px;font-size:16px;color:var(--fg-1);margin-bottom:30px;
}

/* 按钮 = 功能元素 → biubiu 蓝 */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 24px;font-size:14px;font-weight:600;
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
  transition:transform .18s ease,background .18s,box-shadow .18s,border-color .18s;
}
.btn svg{width:14px;height:14px}
.btn--primary{
  background:linear-gradient(135deg,var(--bb),#4A8CFF);
  color:#fff;
  box-shadow:0 14px 30px -12px rgba(42,108,255,.7),inset 0 1px 0 rgba(255,255,255,.22);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -12px rgba(42,108,255,.8)}
.btn--ghost{
  background:rgba(227,196,107,.05);
  color:var(--paper);
  border:1px solid rgba(227,196,107,.28);
}
.btn--ghost:hover{border-color:var(--gold);background:rgba(227,196,107,.1)}
.btn--full{width:100%;justify-content:center;font-size:13px}

.hero__path{
  font-size:12.5px;color:var(--fg-2);
  padding-left:14px;border-left:2px solid rgba(214,69,58,.55);
}
.hero__path b{color:var(--gold);font-weight:600}

/* ============ Section 通用 ============ */
.section{padding:96px 0;position:relative}
.section--alt{
  background:linear-gradient(180deg,transparent,rgba(19,19,24,.72) 45%,transparent);
  border-top:1px solid rgba(227,196,107,.08);
  border-bottom:1px solid rgba(227,196,107,.08);
}
.section--line{border-top:1px solid rgba(227,196,107,.1)}
.section--why{
  background:
    radial-gradient(700px 340px at 88% 0%, rgba(142,32,24,.2), transparent 62%),
    linear-gradient(180deg,transparent,rgba(8,8,10,.6) 50%,transparent);
}

/* 区块水印角标（鎏金描边竖排） */
.wm{
  position:absolute;top:52px;right:max(16px,calc(50% - var(--container)/2 + 34px));
  writing-mode:vertical-rl;
  font-family:"Songti SC","STSong","SimSun",serif;
  font-size:13px;letter-spacing:.5em;
  color:transparent;
  -webkit-text-stroke:1px rgba(227,196,107,.26);
  pointer-events:none;user-select:none;z-index:0;
}

.section__head{position:relative;z-index:1;max-width:800px;margin-bottom:46px}
.section__kicker{
  display:inline-block;font-family:"Songti SC","STSong","SimSun",serif;
  font-size:13px;letter-spacing:.22em;color:var(--gold);margin-bottom:14px;
}
.section__title{
  font-family:"Songti SC","STSong","SimSun","Noto Serif SC","Source Han Serif SC",serif;
  font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.32;letter-spacing:.04em;
  margin-bottom:16px;
}
.section__desc{font-size:15px;color:var(--fg-1)}
.section__desc strong{color:var(--gold)}

.subhead{
  font-family:"Songti SC","STSong","SimSun",serif;
  font-size:17px;font-weight:700;color:var(--paper);
  letter-spacing:.06em;
  margin:44px 0 20px;
  padding-left:14px;
  border-left:3px solid var(--red);
}

/* ============ 为什么第一站 ============ */
.pains{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;position:relative;z-index:1}
.pain{
  position:relative;padding:28px 26px 26px;
  background:linear-gradient(180deg,rgba(27,27,33,.8),rgba(12,12,16,.6));
  border:1px solid rgba(227,196,107,.12);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
  transition:border-color .22s,transform .22s;
}
.pain:hover{border-color:rgba(227,196,107,.34);transform:translateY(-3px)}
.pain::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--red),var(--gold-dim));
  opacity:.75;
}
.pain__idx{
  display:block;
  font-family:"Songti SC","STSong","SimSun",serif;
  font-size:12px;letter-spacing:.3em;color:var(--gold);
  margin-bottom:12px;
}
.pain h3{font-size:19px;font-weight:600;letter-spacing:.03em;margin-bottom:12px}
.pain p{font-size:14px;color:var(--fg-1)}

.pain__caveat{
  margin-top:32px;font-size:13px;color:var(--fg-2);
  padding:16px 20px;
  background:rgba(227,196,107,.04);
  border:1px dashed rgba(227,196,107,.24);
  border-left:3px solid var(--gold-dim);
  position:relative;z-index:1;
}
.pain__caveat strong{color:var(--gold)}

/* ============ Cards ============ */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;position:relative;z-index:1}
.card{
  position:relative;padding:26px;
  background:linear-gradient(180deg,rgba(27,27,33,.78),rgba(12,12,16,.58));
  border:1px solid rgba(227,196,107,.1);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
  transition:transform .22s,border-color .22s;
}
.card:hover{transform:translateY(-3px);border-color:rgba(227,196,107,.3)}
.card__icon{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--gold);background:rgba(227,196,107,.1);
  border:1px solid rgba(227,196,107,.2);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
  margin-bottom:18px;
}
.card__icon svg{width:21px;height:21px}
.card h3{font-size:18px;font-weight:600;letter-spacing:.03em;margin-bottom:10px}
.card p{font-size:14px;color:var(--fg-1)}
.card--warn{background:linear-gradient(180deg,rgba(48,26,26,.55),rgba(16,10,12,.55));border-color:rgba(214,69,58,.24)}
.card--warn .card__icon{color:var(--red);background:rgba(214,69,58,.12);border-color:rgba(214,69,58,.28)}

/* ============ Flow ============ */
.flow{display:flex;flex-direction:column;gap:78px;position:relative;z-index:1}
.flow__step{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:center}
.flow__step--rev{grid-template-columns:1fr 1.05fr}
.flow__step--rev .flow__desc{order:-1}
.flow__no{
  display:inline-block;font-family:ui-monospace,Consolas,monospace;
  font-size:12px;letter-spacing:.16em;color:var(--gold);
  padding:4px 10px;background:rgba(227,196,107,.08);
  border:1px solid rgba(227,196,107,.22);
  margin-bottom:14px;
}
.flow__desc h3{
  font-family:"Songti SC","STSong","SimSun",serif;
  font-size:25px;font-weight:700;letter-spacing:.04em;margin-bottom:14px;
}
.flow__desc p{color:var(--fg-1);font-size:15px;max-width:520px}
.flow__desc p strong{color:var(--gold)}
.flow__caption{
  display:inline-block;margin-top:18px;
  font-family:ui-monospace,Consolas,monospace;font-size:11px;color:var(--fg-2);
  padding:5px 10px;background:rgba(227,196,107,.05);
  border:1px solid rgba(227,196,107,.16);
}
.flow__caveat{
  margin-top:44px;font-size:12.5px;color:var(--fg-2);
  padding:15px 20px;
  background:rgba(227,196,107,.035);
  border:1px dashed rgba(227,196,107,.2);
}

/* ============ Mock Screens（同一版本 v0.9.2-rc.4） ============ */
.flow__mock{position:relative}
.mock{
  position:relative;
  background:linear-gradient(180deg,#141419 0%,#0B0B0F 100%);
  border:1px solid rgba(227,196,107,.18);
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
  overflow:hidden;
  box-shadow:0 26px 60px -30px rgba(214,69,58,.45);
}
.mock__titlebar{
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  background:rgba(227,196,107,.04);
  border-bottom:1px solid rgba(227,196,107,.1);
}
.mock__dot{width:10px;height:10px;border-radius:50%;background:#2C2C34}
.mock__dot:first-child{background:var(--red)}
.mock__dot:nth-child(2){background:var(--gold-dim)}
.mock__dot:nth-child(3){background:#3F7A5C}
.mock__title{
  margin-left:8px;font-size:12px;color:var(--fg-2);
  font-family:ui-monospace,Consolas,monospace;
}
.mock__tag{
  margin-left:auto;font-family:ui-monospace,Consolas,monospace;font-size:10px;
  padding:3px 8px;background:rgba(227,196,107,.1);color:var(--gold);border-radius:4px;
}
.mock__body{padding:18px}

/* 进度条 = 功能元素 → biubiu 蓝 */
.mock__body--list{display:grid;grid-template-columns:164px 1fr;gap:14px;min-height:278px}
.mock__side{background:rgba(255,255,255,.025);padding:12px;border:1px solid rgba(255,255,255,.04)}
.mock__sideTitle{font-size:11px;color:var(--fg-2);margin-bottom:10px;letter-spacing:.06em}
.mock__sideItem{font-size:12px;padding:7px 9px;color:var(--fg-1);margin-bottom:3px;border-left:2px solid transparent}
.mock__sideItem.is-active{background:rgba(214,69,58,.16);color:var(--paper);border-left-color:var(--red)}
.mock__sideMeta{
  margin-top:14px;font-size:10px;color:var(--fg-2);
  border-top:1px dashed rgba(227,196,107,.16);padding-top:8px;line-height:1.6;
}
.mock__main{display:flex;flex-direction:column;gap:14px}
.mock__row{display:flex;align-items:center;gap:10px;padding:8px 10px;background:rgba(255,255,255,.025)}
.mock__pill{font-size:10px;padding:3px 8px;border-radius:4px;font-family:ui-monospace,Consolas,monospace}
.mock__pill--ok{background:rgba(63,214,138,.15);color:#6FDCA6}
.mock__pill--mute{background:rgba(255,255,255,.06);color:var(--fg-2)}
.mock__pill--warn{background:rgba(227,196,107,.16);color:var(--gold)}
.mock__name{font-size:13px;font-weight:600}
.mock__ver{margin-left:auto;font-family:ui-monospace,Consolas,monospace;font-size:11px;color:var(--fg-2)}
.mock__bars{display:flex;flex-direction:column;gap:6px}
.mock__bar{height:6px;background:rgba(255,255,255,.05);overflow:hidden}
.mock__bar i{display:block;height:100%;background:linear-gradient(90deg,var(--bb),var(--bb-2))}
.mock__hint{
  font-size:11px;color:var(--fg-1);padding:8px 10px;
  background:rgba(214,69,58,.08);
  border:1px dashed rgba(214,69,58,.28);
}

.mock__body--inspect{display:grid;grid-template-columns:1fr 1.45fr;gap:18px;min-height:278px}
.mock__kv{
  display:grid;grid-template-columns:auto 1fr;gap:7px 12px;font-size:12px;
  padding:10px 12px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.04);
}
.mock__kv span{color:var(--fg-2)}
.mock__kv b{font-weight:600;color:var(--paper)}
.mock__kv b.ok{color:#6FDCA6}
.mock__cards{display:flex;flex-direction:column;gap:10px}
.mock__cardx{
  position:relative;padding:12px 14px;
  background:rgba(255,255,255,.025);
  border:1px solid rgba(255,255,255,.06);
}
/* 选中态 = 功能元素 → biubiu 蓝 */
.mock__cardx.is-on{border-color:var(--bb-line);background:rgba(42,108,255,.1)}
.mock__cardx.is-warn{border-color:rgba(214,69,58,.34)}
.mock__cardxTitle{font-size:13px;font-weight:600;margin-bottom:4px}
.mock__cardxMeta{font-size:11px;color:var(--fg-2);margin-bottom:8px}
.mock__cardxTag{
  display:inline-block;font-size:10px;padding:2px 7px;
  background:rgba(42,108,255,.2);color:var(--bb-2);
  font-family:ui-monospace,Consolas,monospace;
}
.mock__cardxTag--mute{background:rgba(255,255,255,.06);color:var(--fg-2)}
.mock__cardxTag--warn{background:rgba(214,69,58,.18);color:var(--red)}

.mock__body--install{padding:22px;min-height:278px}
.mock__pip{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.mock__pip span{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;font-size:11px;font-weight:700;
  background:rgba(255,255,255,.05);color:var(--fg-2);
}
.mock__pip span.is-done{background:var(--bb);color:#fff}
.mock__pip span:last-child{background:var(--bb-2);color:#08101C}
.mock__pip i{flex:1;min-width:18px;height:2px;background:rgba(255,255,255,.08);position:relative}
.mock__pip i::after{content:"";position:absolute;inset:0;background:var(--bb)}
.mock__pip i.is-on::after{width:50%;background:linear-gradient(90deg,var(--bb),var(--bb-2))}
.mock__prog{display:flex;flex-direction:column;gap:10px}
.mock__progBar{height:8px;background:rgba(255,255,255,.05);overflow:hidden}
.mock__progBar i{
  display:block;height:100%;
  background:linear-gradient(90deg,var(--bb),var(--bb-2));
  box-shadow:0 0 14px rgba(91,216,255,.45);
}
.mock__progMeta{
  display:flex;justify-content:space-between;font-size:12px;color:var(--fg-2);
  font-family:ui-monospace,Consolas,monospace;
}
.mock__progLog{
  font-family:ui-monospace,Consolas,monospace;font-size:11px;color:var(--fg-2);
  background:rgba(0,0,0,.36);padding:12px 14px;
  border:1px solid rgba(255,255,255,.04);
  display:flex;flex-direction:column;gap:4px;
}
.mock__progLog div::before{content:"> ";color:var(--gold-dim)}

.mock__body--launch{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:26px;min-height:278px;gap:18px;
}
.mock__bigBtn{
  padding:20px 32px;background:linear-gradient(135deg,var(--bb),var(--bb-2));
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  box-shadow:0 14px 30px -12px rgba(42,108,255,.65);
}
.mock__bigBtnCore{display:block;font-size:16px;font-weight:700}
.mock__bigBtnSub{display:block;margin-top:4px;font-size:11px;opacity:.9}
.mock__checks{display:flex;flex-direction:column;gap:6px;align-self:stretch}
.mock__checks li{
  font-size:12px;padding:7px 10px;background:rgba(255,255,255,.025);
  display:flex;align-items:center;gap:8px;
}
.mock__checks li::before{content:"";width:8px;height:8px}
.mock__checks li.on::before{background:#6FDCA6}
.mock__checks li.off::before{background:var(--fg-2)}
.mock__checks li em{color:var(--fg-2);font-size:11px;margin-left:4px}
.mock__tiny{font-size:11px;color:var(--fg-2);max-width:280px}

.mock__body--records{min-height:278px}
.mock__tbl{width:100%;border-collapse:collapse;font-size:12px}
.mock__tbl thead th{
  text-align:left;font-weight:500;color:var(--fg-2);
  padding:8px 10px;border-bottom:1px solid rgba(227,196,107,.14);font-size:11px;
}
.mock__tbl tbody td{padding:10px;border-bottom:1px solid rgba(255,255,255,.04);color:var(--fg-1)}
.mock__restore{
  margin-top:14px;display:flex;justify-content:space-between;align-items:center;
  padding:12px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.05);
}
.mock__restore span:first-child{font-size:12px;color:var(--fg-2)}
.mock__restoreBtn{
  font-size:12px;padding:5px 14px;font-weight:600;color:#fff;
  background:var(--bb-soft);border:1px solid var(--bb-line);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}

/* ============ Status ============ */
.status{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;position:relative;z-index:1}
.status__block{
  padding:26px;background:linear-gradient(180deg,rgba(27,27,33,.78),rgba(12,12,16,.58));
  border:1px solid rgba(227,196,107,.12);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
}
.status__block--warn{background:linear-gradient(180deg,rgba(48,26,26,.5),rgba(16,10,12,.5));border-color:rgba(214,69,58,.22)}
.status__hd{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.status__pin{width:9px;height:9px;background:var(--gold);box-shadow:0 0 8px rgba(227,196,107,.6)}
.status__pin--mute{background:var(--fg-2);box-shadow:none}
.status__pin--warn{background:var(--red);box-shadow:0 0 8px rgba(214,69,58,.6)}
.status__block h3{font-size:16px;font-weight:600;letter-spacing:.04em}
.status__block ul{display:flex;flex-direction:column;gap:8px}
.status__block li{font-size:13px;color:var(--fg-1);padding-left:16px;position:relative}
.status__block li::before{content:"·";position:absolute;left:4px;top:-2px;color:var(--gold);font-weight:700}

/* ============ Reserve ============ */
.reserve{
  padding:80px 0 96px;position:relative;
  background:
    radial-gradient(760px 420px at 88% 26%, rgba(142,32,24,.24), transparent 62%),
    linear-gradient(180deg,transparent,rgba(19,19,24,.6) 50%,transparent);
}
.reserve__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center;position:relative;z-index:1}
.reserve__copy h2{
  font-family:"Songti SC","STSong","SimSun",serif;
  font-size:clamp(24px,3vw,33px);letter-spacing:.04em;margin-bottom:14px;
}
.reserve__copy p{color:var(--fg-1);font-size:15px;max-width:480px;margin-bottom:20px}
.reserve__tags{display:flex;flex-wrap:wrap;gap:10px}
.reserve__tag{
  display:inline-block;font-size:12px;color:var(--fg-1);
  padding:6px 13px;background:rgba(227,196,107,.06);
  border:1px solid rgba(227,196,107,.18);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}
.reserve__card{
  padding:28px;background:linear-gradient(180deg,rgba(27,27,33,.9),rgba(12,12,16,.78));
  border:1px solid rgba(214,69,58,.26);
  clip-path:polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px);
  box-shadow:0 32px 64px -34px rgba(214,69,58,.6);
}
.reserve__cardHead{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.reserve__ver{font-family:ui-monospace,Consolas,monospace;font-size:11px;color:var(--gold)}
.reserve__card h3{
  font-family:"Songti SC","STSong","SimSun",serif;
  font-size:22px;font-weight:700;letter-spacing:.04em;margin-bottom:8px;
}
.reserve__sub{font-size:13px;color:var(--gold);letter-spacing:.06em;margin-bottom:22px}
.reserve__fine{margin-top:14px;font-size:11px;color:var(--fg-2);line-height:1.7}

/* ============ Boundary ============ */
.boundary{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;position:relative;z-index:1}
.boundary__item{
  padding:22px;background:rgba(255,255,255,.022);
  border:1px solid rgba(255,255,255,.07);
  border-top:2px solid var(--red);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
}
.boundary__item h3{font-size:14px;font-weight:600;color:var(--gold);margin-bottom:10px;letter-spacing:.02em}
.boundary__item p{font-size:13px;color:var(--fg-1)}

.boundary__box{
  padding:26px;background:rgba(255,255,255,.022);
  border:1px solid rgba(255,255,255,.07);
  border-left:3px solid var(--gold-dim);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
  position:relative;z-index:1;
}
.boundary__box--warn{
  background:linear-gradient(180deg,rgba(48,26,26,.4),rgba(16,10,12,.28));
  border-color:rgba(214,69,58,.2);border-left-color:var(--red);
}
.boundary__box ul{display:flex;flex-direction:column;gap:11px}
.boundary__box li{font-size:13.5px;color:var(--fg-1);padding-left:18px;position:relative}
.boundary__box li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--gold-dim);
}
.boundary__box--warn li::before{background:var(--red)}
.boundary__box strong{color:var(--paper)}
.boundary__box span{color:var(--red);font-weight:700;margin:0 2px}

/* ============ Footer ============ */
.foot{border-top:1px solid rgba(227,196,107,.12);background:rgba(6,6,8,.72);padding:40px 0}
.foot__legal{
  display:flex;flex-direction:column;gap:7px;
  font-size:11px;color:var(--fg-2);line-height:1.85;
}

/* ============ 首屏 · 免费使用卖点 ============ */
.hero__free{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin:20px 0 0}
.hero__free b{
  display:inline-block;background:var(--gold);color:#171208;
  font-size:clamp(22px,3.4vw,32px);font-weight:800;letter-spacing:.14em;line-height:1;
  padding:10px 24px 12px;
  clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));
  box-shadow:0 0 0 1px var(--gold-dim),0 8px 30px rgba(227,196,107,.30);
}
.hero__free span{color:var(--fg-1);font-size:14px;letter-spacing:.08em}

/* ============ 开启前后对比 ============ */
.section--compare{background:var(--ink-1)}
.cmp{
  position:relative;overflow:hidden;aspect-ratio:16/9;max-height:560px;
  border:1px solid var(--edge);background:var(--ink-0);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,22px 100%,0 calc(100% - 22px));
  cursor:ew-resize;touch-action:pan-y;user-select:none;-webkit-user-select:none;
}
.cmp__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.cmp__img--on{filter:brightness(1.5) saturate(1.14) contrast(1.04)}
.cmp__off{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--x,50%)) 0 0)}
.cmp__img--off{filter:brightness(.62) saturate(.42) contrast(.98)}
.cmp__line{
  position:absolute;top:0;bottom:0;left:var(--x,50%);width:2px;margin-left:-1px;
  background:var(--gold);box-shadow:0 0 16px rgba(227,196,107,.55);pointer-events:none;
}
.cmp__grip{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:46px;height:46px;display:flex;align-items:center;justify-content:center;
  background:var(--gold);color:#171208;font-size:18px;font-weight:700;line-height:1;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px));
}
.cmp__tag{
  position:absolute;top:14px;font-size:12px;letter-spacing:.16em;padding:6px 12px;pointer-events:none;
}
.cmp__tag--off{left:14px;background:rgba(8,8,10,.72);color:var(--fg-1);border:1px solid var(--edge)}
.cmp__tag--on{right:14px;background:rgba(227,196,107,.16);color:var(--gold);border:1px solid var(--gold-dim)}
.cmp__hint{
  position:absolute;left:50%;bottom:12px;transform:translateX(-50%);
  font-size:12px;color:var(--paper);background:rgba(8,8,10,.66);border:1px solid var(--edge);
  padding:5px 14px;letter-spacing:.12em;pointer-events:none;white-space:nowrap;
  animation:cmpPulse 2.4s ease-in-out infinite;
}
@keyframes cmpPulse{0%,100%{opacity:.5}50%{opacity:1}}
.cmp:focus-visible{outline:2px solid var(--bb);outline-offset:3px}
.cmp__caveat{margin:14px 0 0;color:var(--fg-2);font-size:12.5px;line-height:1.9}
.cmp__caveat strong{color:var(--gold)}
@media (max-width:640px){
  .cmp{aspect-ratio:4/3}
  .cmp__grip{width:38px;height:38px;font-size:15px}
  .hero__free{gap:10px}
}

/* ============ 响应式 ============ */
@media (max-width:1020px){
  .wm{display:none}
  .reserve__inner{grid-template-columns:1fr;gap:32px}
  .flow__step,.flow__step--rev{grid-template-columns:1fr;gap:24px}
  .flow__step--rev .flow__desc{order:0}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .hero{min-height:82vh;padding:64px 0 56px}
  .hero__poster{object-position:62% 40%}
  .section{padding:64px 0}
  .hero__badge{flex-wrap:wrap;gap:10px;padding:12px 16px 12px 12px}
  .hero__badgeVer{margin-left:0}
  .hero__titlePlate{padding:20px 24px 24px 0}
  .mock__body--list,.mock__body--inspect{grid-template-columns:1fr}
}