/* ==========================================================================
   NexLaw · 官网设计系统
   设计语言：排版驱动、超大留白、近乎单色（近黑 + 纸质暖白 + 单一深藏青，
   黄铜色仅作细线点缀）、编辑感版式、去装饰性图形。
   仅由官网 index.html 引用，不影响客户端 / 律师端 / 管理端。
   ========================================================================== */

:root {
  /* 纸面与墨色 */
  --paper:    #FBFBF8;
  --paper-2:  #FFFFFF;
  --ink-0:    #0B1220;
  --ink:      #151C27;
  --ink-2:    #3A434F;
  --ink-3:    #5A6472;
  --mut:      #8A929C;
  --hair:     #E6E4DE;
  --hair-2:   #EFEEE9;

  /* 深色区 */
  --cd:       #0C131A;
  --cd-2:     #141E28;
  --cd-line:  rgba(255,255,255,.12);

  /* 品牌：单一深藏青 + 黄铜点缀 */
  --brand:    #123B5E;
  --brand-2:  #1B5183;
  --brand-deep:#0C2740;
  --brass:    #9A7639;
  --brass-lt: #C4A468;

  /* 状态（与后端预警分级一致） */
  --lv-blue:   #2F6FB0;
  --lv-yellow: #B98A12;
  --lv-orange: #C4691B;
  --lv-red:    #B4342A;

  --r:    4px;
  --r-lg: 8px;
  --maxw: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);

  /* 中英混排：标题走宋体，正文走黑体 */
  --serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", "STSong",
           "Times New Roman", "SimSun", serif;
  --sans:  "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system,
           BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ============================ 基础 ============================ */
.site { background: var(--paper); color: var(--ink); }

.site body, body.site {
  font-family: var(--sans);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.site .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }
.site .wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 40px; }

/* 标题：宋体，权威、克制 */
.site .display {
  font-family: var(--serif);
  font-size: clamp(34px, 5.1vw, 66px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--ink-0);
}
.site .h1 {
  font-family: var(--serif);
  font-size: clamp(26px, 3.3vw, 42px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: .01em;
  color: var(--ink-0);
}
.site .h2 {
  font-family: var(--serif);
  font-size: clamp(20px, 2.1vw, 26px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink-0);
}
.site .lead {
  font-size: clamp(15px, 1.35vw, 17.5px);
  line-height: 1.9;
  color: var(--ink-3);
  max-width: 60ch;
}

/* 小标签：短横线 + 字距 */
.site .eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--brass);
}
.site .eyebrow::before {
  content: ""; width: 26px; height: 1px; background: var(--brass-lt); opacity: .8;
}
.site .on-dark .eyebrow { color: var(--brass-lt); }
.site .on-dark .eyebrow::before { background: var(--brass-lt); opacity: .6; }

/* ============================ 顶栏 ============================ */
.site .nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(251,251,248,.82);
  backdrop-filter: saturate(150%) blur(16px);
  -webkit-backdrop-filter: saturate(150%) blur(16px);
  border-bottom: 1px solid var(--hair-2);
}
.site .nav-in {
  max-width: var(--maxw); margin: 0 auto;
  padding: 18px 40px; display: flex; align-items: center; gap: 34px;
}
.site .logo {
  display: inline-flex; align-items: center; gap: 11px;
  font-family: var(--serif); font-weight: 700;
  font-size: 20px; letter-spacing: .01em; color: var(--ink-0);
}
.site .logo .mark {
  width: 30px; height: 30px; border-radius: 3px; flex: none;
  background: var(--ink-0); color: #fff;
  display: grid; place-items: center;
  font-family: var(--sans); font-size: 14px; font-weight: 700;
}
.site .logo.on-dark { color: #fff; }
.site .logo.on-dark .mark { background: #fff; color: var(--ink-0); }

.site .nav-links { display: flex; gap: 28px; align-items: center; margin-left: 6px; }
.site .nav-links a {
  font-size: 14px; color: var(--ink-3); font-weight: 500;
  letter-spacing: .01em; transition: color .18s; position: relative;
}
.site .nav-links a:hover { color: var(--ink-0); }
.site .nav-cta { margin-left: auto; display: flex; gap: 12px; align-items: center; }
.site .nav-burger {
  display: none; margin-left: auto; width: 42px; height: 42px;
  border-radius: var(--r); border: 1px solid var(--hair); background: transparent;
  align-items: center; justify-content: center; font-size: 17px; color: var(--ink-2);
}

/* ============================ 按钮 ============================ */
.site .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--r);
  font-size: 14.5px; font-weight: 600; letter-spacing: .02em;
  border: 1px solid transparent; cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .2s var(--ease);
  background: var(--ink-0); color: #fff; white-space: nowrap;
}
.site .btn:hover { background: var(--brand-deep); transform: translateY(-1px); }
.site .btn:active { transform: translateY(0); }
.site .btn-ghost { background: transparent; border-color: var(--hair); color: var(--ink-2); }
.site .btn-ghost:hover { background: transparent; border-color: var(--ink-3); color: var(--ink-0); }
.site .btn-light { background: #fff; color: var(--ink-0); }
.site .btn-light:hover { background: #F1EFE9; color: var(--ink-0); }
.site .btn-line {
  background: transparent; border-color: rgba(255,255,255,.3); color: #fff;
}
.site .btn-line:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.5); }
.site .btn-sm { padding: 9px 17px; font-size: 13.5px; }
.site .btn-lg { padding: 15px 32px; font-size: 15.5px; }

/* ============================ Hero ============================ */
.site .hero {
  position: relative; overflow: hidden;
  padding: 104px 0 92px;
  border-bottom: 1px solid var(--hair-2);
}
.site .hero::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 46%;
  background:
    repeating-linear-gradient(90deg, var(--hair-2) 0 1px, transparent 1px 64px);
  opacity: .55; pointer-events: none;
  mask-image: linear-gradient(180deg, transparent, #000 30%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, transparent);
}
.site .hero-in { position: relative; z-index: 1; }
.site .hero-grid {
  display: grid; grid-template-columns: 1.18fr .82fr;
  gap: 64px; align-items: center;
}
.site .hero .display { max-width: 13.5em; font-size: clamp(33px, 4.1vw, 55px); }
.site .hero .display em {
  font-style: normal; position: relative; white-space: nowrap;
}
.site .hero .display em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .08em; height: .32em;
  background: rgba(154,118,57,.16); z-index: -1;
}
.site .hero .lead { margin-top: 26px; }
.site .hero-cta { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.site .hero-trust {
  margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--hair);
  font-size: 14px; color: var(--mut); max-width: 46ch; line-height: 1.8;
}

/* —— 工作台面板（Hero 右侧） —— */
.site .panel {
  background: var(--paper-2); border: 1px solid var(--hair);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: 0 1px 2px rgba(11,18,32,.04), 0 24px 60px -32px rgba(11,18,32,.35);
}
.site .panel-h {
  display: flex; align-items: center; gap: 10px;
  padding: 15px 20px; border-bottom: 1px solid var(--hair-2);
  font-size: 12.5px; color: var(--ink-3); letter-spacing: .04em;
}
.site .panel-h .live {
  width: 7px; height: 7px; border-radius: 50%; background: #3E9B6B; flex: none;
  box-shadow: 0 0 0 4px rgba(62,155,107,.14);
}
.site .panel-h .pc { margin-left: auto; color: var(--mut); font-variant-numeric: tabular-nums; }
.site .feed { padding: 6px 0; }
.site .feed li {
  display: flex; gap: 13px; padding: 15px 20px;
  border-bottom: 1px solid var(--hair-2); align-items: flex-start;
}
.site .feed li:last-child { border-bottom: none; }
.site .feed .lv {
  width: 3px; border-radius: 2px; flex: none; align-self: stretch; min-height: 34px;
}
.site .feed .lv.red { background: var(--lv-red); }
.site .feed .lv.orange { background: var(--lv-orange); }
.site .feed .lv.yellow { background: var(--lv-yellow); }
.site .feed .lv.blue { background: var(--lv-blue); }
.site .feed .fx { flex: 1; min-width: 0; }
.site .feed .fx b { display: block; font-size: 14px; font-weight: 600; color: var(--ink-0); line-height: 1.5; }
.site .feed .fx span { display: block; font-size: 13px; color: var(--ink-3); margin-top: 2px; line-height: 1.6; }
.site .feed .fx em {
  display: block; font-style: normal; font-size: 12px; color: var(--mut);
  margin-top: 6px; padding-top: 6px; border-top: 1px dashed var(--hair);
}
.site .panel-f {
  padding: 13px 20px; border-top: 1px solid var(--hair-2);
  font-size: 12px; color: var(--mut); background: #FAFAF6;
  display: flex; align-items: center; gap: 8px;
}

/* ============================ 数字带 ============================ */
.site .band { background: var(--cd); color: #fff; }
.site .band .wrap { padding-top: 62px; padding-bottom: 62px; }
.site .stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.site .stat { padding: 0 30px; border-left: 1px solid var(--cd-line); }
.site .stat:first-child { border-left: none; padding-left: 0; }
.site .stat .n {
  font-family: var(--sans); font-weight: 700; color: #fff;
  font-size: clamp(30px, 3.6vw, 46px); line-height: 1; letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
  display: flex; align-items: baseline; gap: 3px;
}
.site .stat .n small { font-size: .38em; font-weight: 600; color: var(--brass-lt); letter-spacing: .04em; }
.site .stat .l { font-size: 13px; color: rgba(255,255,255,.58); margin-top: 12px; line-height: 1.7; }

/* ============================ 章节 ============================ */
.site .sec { padding: 128px 0; border-bottom: 1px solid var(--hair-2); }
.site .sec.tight { padding: 96px 0; }
.site .sec-head { max-width: 68ch; margin-bottom: 64px; }
.site .sec-head .h1 { margin-top: 20px; }
.site .sec-head .lead { margin-top: 20px; }
.site .sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.site .sec-head.center .lead { margin-left: auto; margin-right: auto; }
.site .sec-head.center .eyebrow { justify-content: center; }

.site .bg-paper2 { background: var(--paper-2); }
.site .bg-cd { background: var(--cd); color: #fff; border-bottom: none; }
.site .bg-cd .h1, .site .bg-cd .display { color: #fff; }
.site .bg-cd .lead { color: rgba(255,255,255,.62); }

/* ============================ 论述段（编辑感） ============================ */
.site .stmt { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.site .stmt .h1 { margin-top: 18px; }
.site .stmt-body { font-size: 16.5px; line-height: 2; color: var(--ink-2); }
.site .stmt-body p + p { margin-top: 22px; }
.site .stmt-body strong { color: var(--ink-0); font-weight: 600; }
.site .pull {
  margin-top: 30px; padding-left: 22px; border-left: 2px solid var(--brass);
  font-family: var(--serif); font-size: 19px; line-height: 1.8; color: var(--ink-0);
}

/* ============================ 闭环 / 步骤 ============================ */
.site .steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.site .steps .st {
  padding: 0 26px; border-left: 1px solid var(--hair);
  position: relative;
}
.site .steps .st:first-child { border-left: none; padding-left: 0; }
.site .steps .st .k {
  font-family: var(--serif); font-size: 30px; line-height: 1;
  color: var(--brass); opacity: .55; margin-bottom: 18px;
}
.site .steps .st .t { font-size: 16px; font-weight: 650; color: var(--ink-0); margin-bottom: 10px; }
.site .steps .st .d { font-size: 13.5px; color: var(--ink-3); line-height: 1.8; }

/* ============================ 三块业务 ============================ */
.site .prods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.site .prod {
  padding: 0 34px; border-left: 1px solid var(--hair);
  display: flex; flex-direction: column;
}
.site .prod:first-child { border-left: none; padding-left: 0; }
.site .prod:last-child { padding-right: 0; }
.site .prod .no {
  font-size: 11.5px; font-weight: 700; letter-spacing: .2em;
  color: var(--brass); margin-bottom: 16px;
}
.site .prod h3 {
  font-family: var(--serif); font-size: 23px; font-weight: 600;
  color: var(--ink-0); margin-bottom: 6px; line-height: 1.35;
}
.site .prod .use {
  display: inline-block; font-size: 12px; color: var(--ink-3);
  letter-spacing: .06em; margin-bottom: 18px;
}
.site .prod p { font-size: 14.5px; color: var(--ink-3); line-height: 1.9; flex: 1; }
.site .prod ul { margin-top: 22px; display: flex; flex-direction: column; gap: 12px; }
.site .prod li {
  font-size: 14px; color: var(--ink-2); padding-left: 20px; position: relative; line-height: 1.7;
}
.site .prod li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 9px; height: 1px; background: var(--brass); opacity: .7;
}
.site .prod.feat-on { background: var(--paper-2); border: 1px solid var(--hair); padding: 34px 32px; }
.site .prod.feat-on::after { content: ""; position: absolute; }
.site .prods .prod.feat-on:first-child { padding-left: 32px; }

/* ============================ 对比 ============================ */
.site .cmp { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--hair); border-radius: var(--r-lg); overflow: hidden; }
.site .cmp-col { padding: 38px 36px; }
.site .cmp-col.bad { background: var(--paper); border-right: 1px solid var(--hair); }
.site .cmp-col.good { background: var(--cd); color: #fff; }
.site .cmp-col h4 { font-family: var(--serif); font-size: 17px; font-weight: 600; margin-bottom: 24px; }
.site .cmp-col.bad h4 { color: var(--mut); }
.site .cmp-col li {
  font-size: 14.5px; padding: 14px 0; border-bottom: 1px solid var(--hair-2);
  display: flex; gap: 12px; align-items: flex-start; line-height: 1.75; color: var(--ink-3);
}
.site .cmp-col.good li { border-color: var(--cd-line); color: rgba(255,255,255,.88); }
.site .cmp-col li:last-child { border-bottom: none; padding-bottom: 0; }
.site .cmp-col li .m { flex: none; font-weight: 700; line-height: 1.75; }
.site .cmp-col.bad li .m { color: #C4C8CC; }
.site .cmp-col.good li .m { color: var(--brass-lt); }

/* ============================ 能力网格（深色区） ============================ */
.site .caps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--cd-line); border-left: 1px solid var(--cd-line); }
.site .cap {
  padding: 38px 32px 40px; border-right: 1px solid var(--cd-line); border-bottom: 1px solid var(--cd-line);
}
.site .cap .ic {
  width: 40px; height: 40px; margin-bottom: 22px; color: var(--brass-lt);
  display: block;
}
.site .cap .ic svg { width: 100%; height: 100%; display: block; }
.site .cap h4 { font-size: 16.5px; font-weight: 650; color: #fff; margin-bottom: 12px; letter-spacing: .01em; }
.site .cap p { font-size: 14px; color: rgba(255,255,255,.6); line-height: 1.9; }

/* ============================ 体检（两栏） ============================ */
.site .two { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.site .flowlist { display: flex; flex-direction: column; gap: 0; margin-top: 38px; }
.site .fl {
  display: flex; gap: 20px; padding: 22px 0; border-top: 1px solid var(--hair);
  align-items: flex-start;
}
.site .fl:last-child { border-bottom: 1px solid var(--hair); }
.site .fl .n {
  font-family: var(--serif); font-size: 15px; color: var(--brass);
  flex: none; width: 26px; padding-top: 2px;
}
.site .fl .tx b { display: block; font-size: 15.5px; font-weight: 650; color: var(--ink-0); margin-bottom: 5px; }
.site .fl .tx span { font-size: 14px; color: var(--ink-3); line-height: 1.8; }

.site .report { background: var(--paper-2); border: 1px solid var(--hair); border-radius: var(--r-lg); padding: 32px; }
.site .report-h { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 20px; border-bottom: 1px solid var(--hair-2); }
.site .report-h b { font-family: var(--serif); font-size: 18px; font-weight: 600; color: var(--ink-0); }
.site .report-h span { font-size: 12px; color: var(--mut); letter-spacing: .06em; }
.site .rk { display: flex; flex-direction: column; }
.site .rk li { display: flex; gap: 16px; align-items: flex-start; padding: 15px 0; border-bottom: 1px solid var(--hair-2); }
.site .rk .rlv { margin-top: 3px; }
.site .rk li:last-child { border-bottom: none; }
.site .rlv {
  flex: none; width: 44px; font-size: 12.5px; font-weight: 650; text-align: center;
  padding: 3px 0; border-radius: 3px; letter-spacing: .04em;
}
.site .rlv.red { color: #8E2A21; background: rgba(180,52,42,.12); }
.site .rlv.orange { color: #9C5215; background: rgba(196,105,27,.12); }
.site .rlv.yellow { color: #8A670C; background: rgba(185,138,18,.14); }
.site .rlv.blue { color: #23578C; background: rgba(47,111,176,.12); }
.site .rk .rt { font-size: 14px; color: var(--ink-2); line-height: 1.7; }
.site .report-note { margin-top: 22px; padding-top: 20px; border-top: 1px dashed var(--hair); font-size: 12.5px; color: var(--mut); line-height: 1.8; }

/* ============================ 行业 ============================ */
.site .inds { border-top: 1px solid var(--hair); }
.site .ind-row {
  display: grid; grid-template-columns: 190px 1fr; gap: 32px;
  padding: 26px 0; border-bottom: 1px solid var(--hair); align-items: baseline;
  transition: background .2s var(--ease);
}
.site .ind-row:hover { background: rgba(154,118,57,.035); }
.site .ind-row b { font-family: var(--serif); font-size: 18px; font-weight: 600; color: var(--ink-0); }
.site .ind-row span { font-size: 14.5px; color: var(--ink-3); line-height: 1.85; }

/* ============================ 定价 ============================ */
.site .price { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--hair); border-radius: var(--r-lg); overflow: hidden; }
.site .plan {
  padding: 40px 34px; border-left: 1px solid var(--hair);
  display: flex; flex-direction: column; position: relative; background: var(--paper-2);
}
.site .plan:first-child { border-left: none; }
.site .plan.hot { background: var(--cd); color: #fff; }
.site .plan .flag {
  position: absolute; top: 0; left: 0; background: var(--brass); color: #fff;
  font-size: 11px; font-weight: 650; letter-spacing: .1em; padding: 5px 14px;
}
.site .plan h4 { font-family: var(--serif); font-size: 19px; font-weight: 600; color: var(--ink-0); }
.site .plan.hot h4 { color: #fff; }
.site .plan .p {
  font-family: var(--sans); font-size: 32px; font-weight: 700; color: var(--ink-0);
  margin: 20px 0 6px; letter-spacing: -.01em; font-variant-numeric: tabular-nums;
}
.site .plan.hot .p { color: #fff; }
.site .plan .p small { font-size: 13px; font-weight: 500; color: var(--mut); margin-left: 4px; }
.site .plan .sub { font-size: 13px; color: var(--mut); margin-bottom: 26px; }
.site .plan ul { display: flex; flex-direction: column; gap: 13px; flex: 1; margin-bottom: 30px; }
.site .plan li { font-size: 14px; color: var(--ink-2); padding-left: 20px; position: relative; line-height: 1.75; }
.site .plan.hot li { color: rgba(255,255,255,.82); }
.site .plan li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 9px; height: 1px; background: var(--brass); opacity: .7;
}
.site .plan.hot .btn { background: #fff; color: var(--ink-0); border-color: transparent; }
.site .plan.hot .btn:hover { background: var(--paper); }
/* 服务项下挂子项（如「7×24 全维度风险监测」下的具体能力） */
.site .plan li > ul { display: flex; flex-direction: column; gap: 6px; flex: 0 0 auto; margin: 8px 0 0; }
.site .plan li > ul > li { font-size: 13px; color: var(--mut); padding-left: 15px; line-height: 1.6; }
.site .plan.hot li > ul > li { color: rgba(255,255,255,.62); }
.site .plan li > ul > li::before {
  width: 5px; height: 5px; border-radius: 50%; top: .58em; opacity: .55;
}

/* ============================ FAQ ============================ */
.site .faq { border-top: 1px solid var(--hair); }
.site .faq details { border-bottom: 1px solid var(--hair); }
.site .faq summary {
  padding: 26px 0; font-size: 16.5px; font-weight: 600; color: var(--ink-0);
  cursor: pointer; list-style: none; display: flex; justify-content: space-between;
  gap: 24px; align-items: center; line-height: 1.6;
}
.site .faq summary::-webkit-details-marker { display: none; }
.site .faq summary::after {
  content: "+"; color: var(--brass); font-weight: 300; font-size: 26px; line-height: 1;
  flex: none; transition: transform .25s var(--ease);
}
.site .faq details[open] summary::after { content: "−"; }
.site .faq .a {
  padding: 0 64px 30px 0; font-size: 15px; color: var(--ink-3); line-height: 2;
}

/* ============================ CTA ============================ */
.site .cta-band { background: var(--cd); color: #fff; padding: 108px 0; text-align: center; }
.site .cta-band .display { color: #fff; font-size: clamp(30px, 4.2vw, 52px); }
.site .cta-band p { color: rgba(255,255,255,.68); margin-top: 22px; font-size: 16.5px; line-height: 1.9; max-width: 56ch; margin-left: auto; margin-right: auto; }
.site .cta-band .hero-cta { justify-content: center; margin-top: 40px; }

/* ============================ 页脚 ============================ */
.site .foot { background: var(--cd); color: rgba(255,255,255,.56); padding: 72px 0 34px; font-size: 14px; border-top: 1px solid var(--cd-line); }
.site .foot-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 44px; }
.site .foot h5 { color: #fff; font-size: 12px; margin-bottom: 20px; letter-spacing: .16em; text-transform: uppercase; font-weight: 600; }
.site .foot a { display: block; padding: 6px 0; color: rgba(255,255,255,.56); transition: color .18s; }
.site .foot a:hover { color: #fff; }
.site .foot .logo { margin-bottom: 20px; }
.site .foot .about { max-width: 40ch; line-height: 1.85; }
.site .foot-bot {
  margin-top: 52px; padding-top: 26px; border-top: 1px solid var(--cd-line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12.5px; color: rgba(255,255,255,.42);
}
.site .disclosure { margin-top: 16px; font-size: 12px; color: rgba(255,255,255,.34); line-height: 1.8; max-width: 52ch; }

/* ============================ 动效 ============================ */
/* 渐进增强：只有 JS 可用（html.js）时才隐藏待入场元素；无 JS 时内容直接可见。
   ⚠ .in 规则必须带 html.js 前缀压过上面的隐藏规则，否则内容永远 opacity:0 */
html.js .site .reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .site .reveal.in { opacity: 1; transform: none; }

/* ============================ 响应式 ============================ */
@media (max-width: 1080px) {
  .site .wrap, .site .wrap-narrow, .site .nav-in { padding-left: 28px; padding-right: 28px; }
  .site .hero-grid { gap: 48px; }
  .site .stmt { grid-template-columns: 1fr; gap: 34px; }
  .site .two { grid-template-columns: 1fr; gap: 48px; }
  .site .steps { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .site .steps .st { padding: 26px 24px 26px 0; border-left: none; border-top: 1px solid var(--hair); }
  .site .steps .st:nth-child(odd) { padding-right: 32px; }
  .site .steps .st .k { font-size: 24px; margin-bottom: 12px; }
  .site .prods { grid-template-columns: 1fr; gap: 0; }
  .site .prod { padding: 32px 0; border-left: none; border-top: 1px solid var(--hair); }
  .site .prod:first-child { border-top: none; padding-top: 0; }
  .site .prods .prod.feat-on:first-child { padding: 26px 24px; }
  .site .caps { grid-template-columns: repeat(2, 1fr); }
  .site .price { grid-template-columns: 1fr; }
  .site .plan { border-left: none; border-top: 1px solid var(--hair); }
  .site .plan:first-child { border-top: none; }
  .site .plan.hot .flag { top: 0; }
}

@media (max-width: 820px) {
  .site .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper-2); border-bottom: 1px solid var(--hair);
    flex-direction: column; align-items: stretch; gap: 0; padding: 6px 24px 14px;
  }
  .site .nav-links.open { display: flex; }
  .site .nav-links a { padding: 13px 0; border-bottom: 1px solid var(--hair-2); font-size: 15px; }
  .site .nav-burger { display: flex; }
  .site .nav-cta .btn-ghost { display: none; }
  .site .nav-in { position: relative; gap: 12px; }
}

@media (max-width: 760px) {
  .site .wrap, .site .wrap-narrow, .site .nav-in { padding-left: 20px; padding-right: 20px; }
  .site .hero { padding: 60px 0 56px; }
  .site .hero::before { display: none; }
  .site .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .site .hero .display { max-width: none; }
  .site .sec, .site .sec.tight { padding: 68px 0; }
  .site .sec-head { margin-bottom: 40px; }
  .site .band .wrap { padding-top: 44px; padding-bottom: 44px; }
  .site .stats { grid-template-columns: repeat(2, 1fr); gap: 30px 0; }
  .site .stat { padding: 0 18px; }
  .site .stat:nth-child(odd) { border-left: none; padding-left: 0; }
  .site .stats .stat:nth-child(3) { border-left: none; padding-left: 0; }
  .site .caps { grid-template-columns: 1fr; }
  .site .cmp { grid-template-columns: 1fr; }
  .site .cmp-col.bad { border-right: none; border-bottom: 1px solid var(--hair); }
  .site .cmp-col, .site .plan, .site .report { padding: 30px 24px; }
  .site .ind-row { grid-template-columns: 1fr; gap: 10px; }
  .site .faq .a { padding-right: 0; }
  .site .cta-band { padding: 64px 0; }
  .site .foot { padding: 52px 0 28px; }
  .site .foot-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .site .foot-grid > div:first-child { grid-column: 1 / -1; }
  .site .hero-cta { gap: 10px; }
  .site .hero-cta .btn { flex: 1 1 auto; }
  .site .hero-trust { margin-top: 32px; }
}

@media (max-width: 460px) {
  .site .stats { grid-template-columns: 1fr 1fr; }
  .site .steps { grid-template-columns: 1fr; }
  .site .steps .st:nth-child(odd) { padding-right: 0; }
  .site .foot-grid { grid-template-columns: 1fr; }
  .site .display { font-size: 31px; }
}

@media (prefers-reduced-motion: reduce) {
  .site .reveal { opacity: 1; transform: none; transition: none; }
  .site * { scroll-behavior: auto; }
}

@media(max-width:820px){.site .nav-cta .btn-ghost{display:inline-flex!important;padding:7px 12px;font-size:13px}.site .nav-cta{display:flex;align-items:center;gap:8px}}

/* ==========================================================================
   监测区两栏布局（7×24 监测章节）
   深藏青底上的「左文右面板」编辑感版式：左侧标题，右侧实时监测演示面板。
   沿用整体设计语言——细线、宋体、黄铜点缀，不做圆角卡片与彩色渐变。
   ========================================================================== */
.site .monitor-overview {
  display: grid; grid-template-columns: 1fr 380px;
  gap: 64px; align-items: start; margin-bottom: 0;
}
.site .monitor-left { min-width: 0; }
.site .monitor-intro { margin-bottom: 0; }
.site .monitor-intro .h1 { color: #fff; }
/* 六项能力卡：收进左列，2 列×3 行小网格填满面板旁的留白 */
.site .monitor-left .caps {
  grid-template-columns: 1fr 1fr;
  margin-top: 52px;
}
.site .monitor-left .cap { padding: 26px 24px 28px; }
.site .monitor-left .cap .ic { width: 26px; height: 26px; margin-bottom: 16px; }
.site .monitor-left .cap h4 { font-size: 15px; margin-bottom: 8px; }
.site .monitor-left .cap p { font-size: 13px; line-height: 1.8; }

/* 面板在深底上保持白纸卡片，沿用 .panel 的既有语言。
   顶端下沉一档：与左侧标题下沿错开，避免顶着眉标显得拥挤 */
.site .monitor-visual { min-width: 0; margin-top: 132px; }
.site .monitor-visual .panel {
  background: var(--paper-2); border: 1px solid var(--cd-line);
  box-shadow: 0 1px 2px rgba(0,0,0,.2), 0 32px 70px -40px rgba(0,0,0,.7);
}

/* 响应式：窄屏叠放（面板移到卡片之后，全宽） */
@media (max-width: 1080px) {
  .site .monitor-overview { grid-template-columns: 1fr; gap: 52px; }
  .site .monitor-intro { max-width: 68ch; }
  .site .monitor-visual { max-width: 560px; margin-top: 0; }
}
@media (max-width: 760px) {
  .site .monitor-overview { gap: 40px; }
  .site .monitor-left .caps { grid-template-columns: 1fr; margin-top: 36px; }
}