/* ==========================================================================
   大总管（上海）科技有限公司 — 律所OA管理系统官网
   设计语言：黑 · 白 · 红（取自公司 LOGO）
   色源：#19171A 西服黑 / #FBFBFB 衬衫白 / #ED3512 领结红 / #851416 礼帽深红
   ========================================================================== */

/* --- 1. 设计令牌 ---------------------------------------------------------- */
:root {
  /* 黑：取自 LOGO 西服 #19171A，暖调黑，不用纯黑 */
  --ink:      #19171A;
  --ink-2:    #242227;
  --ink-3:    #3A363C;
  --black:    #0F0E10;

  /* 白：取自 LOGO 衬衫 #FBFBFB */
  --white:    #FFFFFF;
  --paper:    #F7F6F5;
  --paper-2:  #FCFCFB;

  /* 红：主强调取自 LOGO 领结 #ED3512，深红取自礼帽 #851416 */
  --red:      #ED3512;
  --red-2:    #C82A0C;
  --red-deep: #851416;
  --red-soft: rgba(237, 53, 18, .09);

  /* 中性灰（与暖黑同一色相） */
  --slate:    #5F5B57;
  --slate-l:  #8E8A85;
  --line:     #E3E1DE;
  --line-2:   #EDEBE8;
  --line-d:   rgba(255, 255, 255, .13);

  /* 字体 */
  --f-display: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STZhongsong", "SimSun", Georgia, serif;
  --f-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --f-mono: "SF Mono", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;

  /* 节奏 */
  --w: 1200px;
  --gut: 32px;
  --r: 4px;
  --shadow-1: 0 1px 2px rgba(25, 23, 26, .04), 0 8px 24px -14px rgba(25, 23, 26, .14);
  --shadow-2: 0 2px 6px rgba(25, 23, 26, .06), 0 22px 44px -20px rgba(25, 23, 26, .22);
}

/* --- 2. 基础 ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper-2);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: .01em;
}
h1 { font-size: clamp(30px, 3.8vw, 46px); }
h2 { font-size: clamp(26px, 3.2vw, 38px); }
h3 { font-size: clamp(19px, 2vw, 23px); }
h4 { font-size: 17px; }
p  { margin: 0; }

::selection { background: var(--red); color: #fff; }

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- 3. 布局 ------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 var(--gut);
}

.sec { padding: 104px 0; position: relative; }
.sec--tight { padding: 76px 0; }
.sec--paper { background: var(--paper); }
.sec--ink   { background: var(--ink); color: #E8E6E4; }
.sec--ink h1, .sec--ink h2, .sec--ink h3, .sec--ink h4 { color: #fff; }
.sec--ink p { color: rgba(232, 230, 228, .74); }

/* 骑缝线：档案装订的视觉隐喻 */
.sec--stitch::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 1px;
  background: repeating-linear-gradient(to bottom, var(--line) 0 6px, transparent 6px 12px);
  opacity: .9;
}

/* --- 4. 章节眉题（全站限量，每 3 个板块最多 1 个） ---------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--red);
  flex: none;
}

/* 案卷编号 */
.case-no {
  font-family: var(--f-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--slate-l);
}
.sec--ink .case-no { color: rgba(232, 230, 228, .5); }

.sec-head { max-width: 780px; }
.sec-head--center { margin: 0 auto; text-align: center; }
.sec-head--center .eyebrow { justify-content: center; }
.sec-head p {
  margin-top: 18px;
  font-size: 17px;
  color: var(--slate);
}
.sec--ink .sec-head p { color: rgba(232, 230, 228, .72); }

/* --- 5. 按钮 ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 50px;
  padding: 0 28px;
  border-radius: var(--r);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  white-space: nowrap;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
}
.btn svg { flex: none; }
.btn:active { transform: translateY(1px); }

.btn--seal { background: var(--red); color: #fff; }
.btn--seal:hover {
  background: var(--red-2);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -12px rgba(237, 53, 18, .75);
}

.btn--ghost { border: 1px solid rgba(255, 255, 255, .34); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .09); transform: translateY(-2px); }

.btn--line { border: 1px solid var(--ink); color: var(--ink); }
.btn--line:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }

.btn--sm { height: 42px; padding: 0 20px; font-size: 14px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* --- 6. 顶栏 ------------------------------------------------------------- */
.hdr {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .3s ease, box-shadow .3s ease;
}
.hdr__in {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 76px;
}
.hdr.is-solid {
  background: rgba(252, 252, 251, .95);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 var(--line), 0 1px 20px -10px rgba(25, 23, 26, .2);
}
.hdr.is-solid .hdr__link { color: var(--ink); }
.hdr.is-solid .hdr__link:hover, .hdr.is-solid .hdr__link.is-on { color: var(--red); }
.hdr.is-solid .burger__b { background: var(--ink); }
.hdr.is-solid .logo__txt { color: var(--ink); }
.hdr.is-solid .logo__sub { color: var(--slate-l); }

/* 品牌 */
.logo { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.logo__mark {
  width: 42px; height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid rgba(25, 23, 26, .1);
  border-radius: var(--r);
  padding: 3px;
  overflow: hidden;
  box-shadow: 0 3px 10px -5px rgba(0, 0, 0, .5);
}
.logo__mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.logo__txt {
  display: flex;
  flex-direction: column;
  color: #fff;
  line-height: 1.15;
  transition: color .3s ease;
}
.logo__name { font-family: var(--f-display); font-size: 19px; font-weight: 700; letter-spacing: .04em; }
.logo__sub {
  font-size: 9.5px;
  letter-spacing: .17em;
  color: rgba(255, 255, 255, .55);
  text-transform: uppercase;
  font-family: var(--f-mono);
  transition: color .3s ease;
}

/* 导航 */
.hdr__nav { display: flex; align-items: center; gap: 34px; }
.hdr__link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, .82);
  padding: 6px 0;
  transition: color .22s ease;
}
.hdr__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.hdr__link:hover, .hdr__link.is-on { color: #fff; }
.hdr__link:hover::after, .hdr__link.is-on::after { transform: scaleX(1); }

.hdr__cta { display: flex; align-items: center; gap: 14px; }
.hdr__tel {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--f-mono);
  font-size: 14px;
  color: rgba(255, 255, 255, .78);
  letter-spacing: .02em;
  transition: color .22s ease;
}
.hdr__tel:hover { color: #fff; }
.hdr.is-solid .hdr__tel { color: var(--slate); }
.hdr.is-solid .hdr__tel:hover { color: var(--red); }

/* 汉堡 */
.burger { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; gap: 5px; padding: 0 9px; }
.burger__b { height: 2px; background: #fff; border-radius: 2px; transition: transform .25s ease, opacity .2s ease, background .3s ease; }
.burger.is-on .burger__b:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-on .burger__b:nth-child(2) { opacity: 0; }
.burger.is-on .burger__b:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动菜单 */
.mnav {
  display: none;
  position: fixed;
  inset: 76px 0 0;
  z-index: 99;
  background: var(--ink);
  padding: 32px var(--gut);
  overflow-y: auto;
}
.mnav.is-open { display: block; }
.mnav__link {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-d);
  color: #fff;
  font-family: var(--f-display);
  font-size: 20px;
  font-weight: 700;
}
.mnav__sub { padding-left: 16px; }
.mnav__sub a { display: block; padding: 11px 0; font-size: 15px; color: rgba(255,255,255,.66); font-family: var(--f-body); font-weight: 500; }
.mnav .btn { width: 100%; margin-top: 26px; }

/* --- 7. 页面首屏 --------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: 152px 0 88px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 70% 20%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 70% 20%, #000 20%, transparent 78%);
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  width: 720px; height: 720px;
  right: -240px; top: -320px;
  background: radial-gradient(circle, rgba(237, 53, 18, .13) 0%, transparent 64%);
  pointer-events: none;
}
.hero__glow--seal {
  width: 520px; height: 520px;
  left: -280px; bottom: -320px; top: auto; right: auto;
  background: radial-gradient(circle, rgba(133, 20, 22, .28) 0%, transparent 68%);
}
.hero .wrap { position: relative; z-index: 2; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: 64px;
  align-items: center;
}
.hero--page { padding: 148px 0 76px; }
.hero--page .hero__grid { grid-template-columns: 1fr; gap: 0; }
.hero--page .hero__body { max-width: 780px; }

.hero__title { margin-bottom: 24px; }

/* H1 内的品牌小标：视觉等同 eyebrow，但把品牌关键词放进 H1 里利于 SEO */
.hero__brand {
  display: block;
  font-family: var(--f-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--red);
  margin-bottom: 20px;
  position: relative;
  padding-left: 36px;
}
.hero__brand::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 26px; height: 2px;
  margin-top: -1px;
  background: var(--red);
}
.hero__title em {
  font-style: normal;
  color: var(--red);
  position: relative;
  white-space: nowrap;
}
.hero__lead {
  font-size: 18px;
  line-height: 1.85;
  color: rgba(232, 230, 228, .76);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero--page .hero__lead { max-width: 640px; }

/* --- 7b. 产品页首屏：左文右图 + 九模块动图 ------------------------------- */
.hero.hero--page.hero--split .hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  gap: 56px;
  align-items: center;
}
/* 两列后左列变窄，标题需收紧字号否则会折成一个孤字 */
.hero.hero--page.hero--split .hero__title { font-size: clamp(26px, 2.9vw, 38px); }
.hero.hero--page.hero--split .hero__lead { max-width: 100%; }
.pviz { width: 100%; max-width: 560px; margin-left: auto; }
.pviz svg { width: 100%; height: auto; display: block; }

.pv-title { fill: #fff; font-family: var(--f-display); font-size: 24px; font-weight: 700; }
.pv-sub { fill: rgba(232, 230, 228, .4); font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; }
.pv-hr { stroke: rgba(255, 255, 255, .1); }
.pv-foot { fill: rgba(232, 230, 228, .45); font-family: var(--f-body); font-size: 12.5px; }

.pv-cell {
  fill: rgba(255, 255, 255, .04);
  stroke: rgba(255, 255, 255, .1);
  animation: pvCell 6s ease-in-out infinite;
}
.pv-ic { stroke: rgba(232, 230, 228, .45); animation: pvInk 6s ease-in-out infinite; }
.pv-ic path, .pv-ic circle, .pv-ic rect, .pv-ic ellipse { stroke: inherit; }
.pv-lb {
  fill: rgba(232, 230, 228, .45);
  font-family: var(--f-body); font-size: 13px; text-anchor: middle;
  animation: pvTxt 6s ease-in-out infinite;
}

.pv-g.g1 .pv-cell, .pv-g.g1 .pv-ic, .pv-g.g1 .pv-lb { animation-delay: 0s; }
.pv-g.g2 .pv-cell, .pv-g.g2 .pv-ic, .pv-g.g2 .pv-lb { animation-delay: .22s; }
.pv-g.g3 .pv-cell, .pv-g.g3 .pv-ic, .pv-g.g3 .pv-lb { animation-delay: .44s; }
.pv-g.g4 .pv-cell, .pv-g.g4 .pv-ic, .pv-g.g4 .pv-lb { animation-delay: .66s; }
.pv-g.g5 .pv-cell, .pv-g.g5 .pv-ic, .pv-g.g5 .pv-lb { animation-delay: .88s; }
.pv-g.g6 .pv-cell, .pv-g.g6 .pv-ic, .pv-g.g6 .pv-lb { animation-delay: 1.1s; }
.pv-g.g7 .pv-cell, .pv-g.g7 .pv-ic, .pv-g.g7 .pv-lb { animation-delay: 1.32s; }
.pv-g.g8 .pv-cell, .pv-g.g8 .pv-ic, .pv-g.g8 .pv-lb { animation-delay: 1.54s; }
.pv-g.g9 .pv-cell, .pv-g.g9 .pv-ic, .pv-g.g9 .pv-lb { animation-delay: 1.76s; }

@keyframes pvCell {
  0%, 3%    { fill: rgba(255,255,255,.04); stroke: rgba(255,255,255,.1); }
  10%, 88%  { fill: rgba(237,53,18,.1); stroke: #ED3512; }
  94%, 100% { fill: rgba(255,255,255,.04); stroke: rgba(255,255,255,.1); }
}
@keyframes pvInk {
  0%, 3%    { stroke: rgba(232,230,228,.45); }
  10%, 88%  { stroke: #ED3512; }
  94%, 100% { stroke: rgba(232,230,228,.45); }
}
/* --- 7c. 解决方案页首屏「四种规模」动图 --------------------------------- */
.sv-title { fill: #fff; font-family: var(--f-display); font-size: 24px; font-weight: 700; }
.sv-sub { fill: rgba(232, 230, 228, .4); font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; }
.sv-hr { stroke: rgba(255, 255, 255, .1); }
.sv-ground { stroke: rgba(255, 255, 255, .16); }
.sv-foot { fill: rgba(232, 230, 228, .45); font-family: var(--f-body); font-size: 12.5px; }
.sv-lb {
  fill: rgba(232, 230, 228, .5);
  font-family: var(--f-body); font-size: 13px; text-anchor: middle;
  animation: svLb 6s ease-in-out infinite;
}
.sv-bld {
  fill: rgba(255, 255, 255, .05);
  stroke: rgba(255, 255, 255, .16);
  animation: svBld 6s ease-in-out infinite;
}
.sv-win {
  fill: rgba(255, 255, 255, .16);
  animation: svWin 6s ease-in-out infinite;
}

.sv-g.g1 .sv-bld, .sv-g.g1 .sv-win, .sv-g.g1 .sv-lb { animation-delay: 0s; }
.sv-g.g2 .sv-bld, .sv-g.g2 .sv-win, .sv-g.g2 .sv-lb { animation-delay: .5s; }
.sv-g.g3 .sv-bld, .sv-g.g3 .sv-win, .sv-g.g3 .sv-lb { animation-delay: 1s; }
.sv-g.g4 .sv-bld, .sv-g.g4 .sv-win, .sv-g.g4 .sv-lb { animation-delay: 1.5s; }

@keyframes svBld {
  0%, 3%    { fill: rgba(255,255,255,.05); stroke: rgba(255,255,255,.16); }
  12%, 88%  { fill: rgba(237,53,18,.1); stroke: #ED3512; }
  94%, 100% { fill: rgba(255,255,255,.05); stroke: rgba(255,255,255,.16); }
}
@keyframes svWin {
  0%, 3%    { fill: rgba(255,255,255,.16); }
  12%, 88%  { fill: #ED3512; }
  94%, 100% { fill: rgba(255,255,255,.16); }
}
/* --- 7d. 关于我们首屏「发展里程碑」动图 --------------------------------- */
.ab-title { fill: #fff; font-family: var(--f-display); font-size: 24px; font-weight: 700; }
.ab-sub { fill: rgba(232, 230, 228, .4); font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; }
.ab-hr { stroke: rgba(255, 255, 255, .1); }
.ab-axis { stroke: rgba(255, 255, 255, .14); }
.ab-foot { fill: rgba(232, 230, 228, .5); font-family: var(--f-body); font-size: 12.5px; }
.ab-foot2 { fill: rgba(232, 230, 228, .34); font-family: var(--f-body); font-size: 11.5px; }

.ab-seg {
  stroke: #ED3512; stroke-width: 2;
  stroke-dasharray: 114; stroke-dashoffset: 114;
  animation: abSeg 6s ease-in-out infinite;
}
.ab-seg.s1 { animation-delay: .3s; }
.ab-seg.s2 { animation-delay: .9s; }
.ab-seg.s3 { animation-delay: 1.5s; }

.ab-dot {
  fill: transparent; stroke: rgba(255, 255, 255, .28); stroke-width: 1.5;
  animation: abDot 6s ease-in-out infinite;
}
.ab-core { fill: transparent; animation: abCore 6s ease-in-out infinite; }
.ab-yr {
  fill: rgba(232, 230, 228, .45);
  font-family: var(--f-mono); font-size: 15px; font-weight: 600; text-anchor: middle;
  animation: abTxt 6s ease-in-out infinite;
}
.ab-ev {
  fill: rgba(232, 230, 228, .5);
  font-family: var(--f-body); font-size: 12.5px; text-anchor: middle;
  animation: abTxt 6s ease-in-out infinite;
}

.ab-g.g1 .ab-dot, .ab-g.g1 .ab-core, .ab-g.g1 .ab-yr, .ab-g.g1 .ab-ev { animation-delay: 0s; }
.ab-g.g2 .ab-dot, .ab-g.g2 .ab-core, .ab-g.g2 .ab-yr, .ab-g.g2 .ab-ev { animation-delay: .6s; }
.ab-g.g3 .ab-dot, .ab-g.g3 .ab-core, .ab-g.g3 .ab-yr, .ab-g.g3 .ab-ev { animation-delay: 1.2s; }
.ab-g.g4 .ab-dot, .ab-g.g4 .ab-core, .ab-g.g4 .ab-yr, .ab-g.g4 .ab-ev { animation-delay: 1.8s; }

/* --- 7e. 合作客户页首屏「客户网络」动图 ---------------------------------- */
.cl-title { fill: #fff; font-family: var(--f-display); font-size: 24px; font-weight: 700; }
.cl-sub { fill: rgba(232, 230, 228, .4); font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; }
.cl-hr { stroke: rgba(255, 255, 255, .1); }
.cl-ring { fill: none; stroke: rgba(255, 255, 255, .1); stroke-dasharray: 3 6; }
.cl-foot { fill: rgba(232, 230, 228, .5); font-family: var(--f-body); font-size: 12.5px; }

.cl-core { fill: rgba(237, 53, 18, .12); stroke: #ED3512; stroke-width: 1.5; }
.cl-core-t { fill: #fff; font-family: var(--f-display); font-size: 15px; font-weight: 700; text-anchor: middle; }
.cl-core-s { fill: rgba(232, 230, 228, .55); font-family: var(--f-mono); font-size: 9.5px; text-anchor: middle; letter-spacing: .08em; }

.cl-dot {
  fill: rgba(255, 255, 255, .22);
  animation: clDot 6s ease-out infinite;
}

.cl-dot.d1 { animation-delay: 0.000s; }
.cl-dot.d2 { animation-delay: 0.062s; }
.cl-dot.d3 { animation-delay: 0.124s; }
.cl-dot.d4 { animation-delay: 0.186s; }
.cl-dot.d5 { animation-delay: 0.248s; }
.cl-dot.d6 { animation-delay: 0.310s; }
.cl-dot.d7 { animation-delay: 0.372s; }
.cl-dot.d8 { animation-delay: 0.434s; }
.cl-dot.d9 { animation-delay: 0.496s; }
.cl-dot.d10 { animation-delay: 0.558s; }
.cl-dot.d11 { animation-delay: 0.620s; }
.cl-dot.d12 { animation-delay: 0.682s; }
.cl-dot.d13 { animation-delay: 0.744s; }
.cl-dot.d14 { animation-delay: 0.806s; }
.cl-dot.d15 { animation-delay: 0.868s; }
.cl-dot.d16 { animation-delay: 0.930s; }
.cl-dot.d17 { animation-delay: 0.992s; }
.cl-dot.d18 { animation-delay: 1.054s; }
.cl-dot.d19 { animation-delay: 1.116s; }
.cl-dot.d20 { animation-delay: 1.178s; }
.cl-dot.d21 { animation-delay: 1.240s; }
.cl-dot.d22 { animation-delay: 1.302s; }
.cl-dot.d23 { animation-delay: 1.364s; }
.cl-dot.d24 { animation-delay: 1.426s; }
.cl-dot.d25 { animation-delay: 1.488s; }
.cl-dot.d26 { animation-delay: 1.550s; }
.cl-dot.d27 { animation-delay: 1.612s; }
.cl-dot.d28 { animation-delay: 1.674s; }
.cl-dot.d29 { animation-delay: 1.736s; }
.cl-dot.d30 { animation-delay: 1.798s; }
.cl-dot.d31 { animation-delay: 1.860s; }
.cl-dot.d32 { animation-delay: 1.922s; }
.cl-dot.d33 { animation-delay: 1.984s; }
.cl-dot.d34 { animation-delay: 2.046s; }
.cl-dot.d35 { animation-delay: 2.108s; }
.cl-dot.d36 { animation-delay: 2.170s; }
.cl-dot.d37 { animation-delay: 2.232s; }
.cl-dot.d38 { animation-delay: 2.294s; }
.cl-dot.d39 { animation-delay: 2.356s; }
.cl-dot.d40 { animation-delay: 2.418s; }

/* --- 7f. 下载中心首屏「多端同步」动图 ------------------------------------ */
.dl-title { fill: #fff; font-family: var(--f-display); font-size: 24px; font-weight: 700; }
.dl-sub { fill: rgba(232, 230, 228, .4); font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; }
.dl-hr { stroke: rgba(255, 255, 255, .1); }
.dl-foot { fill: rgba(232, 230, 228, .5); font-family: var(--f-body); font-size: 12.5px; }

.dl-term {
  fill: rgba(255, 255, 255, .05);
  stroke: rgba(255, 255, 255, .16);
  animation: dlTerm 6s ease-in-out infinite;
}
.dl-ic { stroke: rgba(232, 230, 228, .5); animation: dlInk 6s ease-in-out infinite; }
.dl-ic path, .dl-ic rect { stroke: inherit; }
.dl-lb {
  fill: rgba(232, 230, 228, .5);
  font-family: var(--f-body); font-size: 12.5px; text-anchor: middle;
  animation: dlTxt 6s ease-in-out infinite;
}
.dl-line {
  stroke: #ED3512; stroke-width: 2;
  stroke-dasharray: 150; stroke-dashoffset: 150;
  animation: dlFlow 6s ease-in-out infinite;
}

.dl-core { fill: rgba(237, 53, 18, .12); stroke: #ED3512; stroke-width: 1.5; }
.dl-core-t { fill: #fff; font-family: var(--f-display); font-size: 17px; font-weight: 700; text-anchor: middle; }
.dl-core-s { fill: rgba(232, 230, 228, .55); font-family: var(--f-mono); font-size: 9.5px; text-anchor: middle; letter-spacing: .08em; }

.dl-g.g1 .dl-term, .dl-g.g1 .dl-ic, .dl-g.g1 .dl-lb { animation-delay: 0s; }
.dl-g.g2 .dl-term, .dl-g.g2 .dl-ic, .dl-g.g2 .dl-lb { animation-delay: .3s; }
.dl-g.g3 .dl-term, .dl-g.g3 .dl-ic, .dl-g.g3 .dl-lb { animation-delay: .6s; }
.dl-g.g4 .dl-term, .dl-g.g4 .dl-ic, .dl-g.g4 .dl-lb { animation-delay: .9s; }

.dl-line.l1 { animation-delay: .3s; }
.dl-line.l2 { animation-delay: .6s; }
.dl-line.l3 { animation-delay: .9s; }
.dl-line.l4 { animation-delay: 1.2s; }

@keyframes dlTerm {
  0%, 2%    { fill: rgba(255,255,255,.05); stroke: rgba(255,255,255,.16); }
  9%, 88%   { fill: rgba(237,53,18,.1); stroke: #ED3512; }
  94%, 100% { fill: rgba(255,255,255,.05); stroke: rgba(255,255,255,.16); }
}
@keyframes dlInk {
  0%, 2%    { stroke: rgba(232,230,228,.5); }
  9%, 88%   { stroke: #ED3512; }
  94%, 100% { stroke: rgba(232,230,228,.5); }
}
@keyframes dlTxt {
  0%, 2%    { fill: rgba(232,230,228,.5); }
  9%, 88%   { fill: #fff; }
  94%, 100% { fill: rgba(232,230,228,.5); }
}
@keyframes dlFlow {
  0%, 3%    { stroke-dashoffset: 150; }
  16%, 88%  { stroke-dashoffset: 0; }
  94%, 100% { stroke-dashoffset: 150; }
}

@keyframes clDot {
  0%, 2%    { fill: rgba(255,255,255,.22); }
  14%, 88%  { fill: #ED3512; }
  94%, 100% { fill: rgba(255,255,255,.22); }
}

@keyframes abSeg {
  0%, 3%    { stroke-dashoffset: 114; }
  11%, 88%  { stroke-dashoffset: 0; }
  94%, 100% { stroke-dashoffset: 114; }
}
@keyframes abDot {
  0%, 3%    { stroke: rgba(255,255,255,.28); }
  10%, 88%  { stroke: #ED3512; }
  94%, 100% { stroke: rgba(255,255,255,.28); }
}
@keyframes abCore {
  0%, 3%    { fill: transparent; }
  10%, 88%  { fill: #ED3512; }
  94%, 100% { fill: transparent; }
}
@keyframes abTxt {
  0%, 3%    { fill: rgba(232,230,228,.45); }
  10%, 88%  { fill: #fff; }
  94%, 100% { fill: rgba(232,230,228,.45); }
}

@keyframes svLb {
  0%, 3%    { fill: rgba(232,230,228,.5); }
  12%, 88%  { fill: #fff; }
  94%, 100% { fill: rgba(232,230,228,.5); }
}

@keyframes pvTxt {
  0%, 3%    { fill: rgba(232,230,228,.45); }
  10%, 88%  { fill: #fff; }
  94%, 100% { fill: rgba(232,230,228,.45); }
}

/* 印章 */
.stamp {
  position: absolute;
  right: 3%; top: 124px;
  width: 132px; height: 132px;
  border: 3px solid rgba(237, 53, 18, .5);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transform: rotate(-13deg);
  color: rgba(237, 53, 18, .66);
  text-align: center;
  font-family: var(--f-display);
  line-height: 1.1;
  pointer-events: none;
  z-index: 3;
  animation: stamp-in 1s cubic-bezier(.16, 1, .3, 1) .35s both;
}
.stamp::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(237, 53, 18, .38);
  border-radius: 50%;
}
.stamp__cn { font-size: 25px; font-weight: 700; letter-spacing: .06em; }
.stamp__en { display: block; font-family: var(--f-mono); font-size: 7.5px; letter-spacing: .1em; margin-top: 4px; }
@keyframes stamp-in {
  from { opacity: 0; transform: rotate(-13deg) scale(1.5); }
  to   { opacity: 1; transform: rotate(-13deg) scale(1); }
}

/* --- 8. 统计条 ----------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.sec--ink .stats { background: var(--line-d); border-color: var(--line-d); }
.stat { background: var(--white); padding: 30px 26px; }
.sec--ink .stat { background: var(--ink-2); }
.stat__n {
  font-family: var(--f-mono);
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: 1.1;
}
.sec--ink .stat__n { color: #fff; }
.stat__n small { font-size: 16px; font-weight: 500; margin-left: 3px; color: var(--red); }
.stat__l { margin-top: 8px; font-size: 14px; color: var(--slate); }
.sec--ink .stat__l { color: rgba(232, 230, 228, .6); }

/* --- 9. 通用卡片 --------------------------------------------------------- */
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 32px 30px;
  position: relative;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--ink); box-shadow: var(--shadow-2); }

.card__no {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--slate-l);
  display: block;
  margin-bottom: 18px;
}
.card h3 { margin-bottom: 12px; }
.card p { color: var(--slate); font-size: 15px; }

.card__ico {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: var(--r);
  background: var(--red-soft);
  color: var(--red);
  margin-bottom: 22px;
}
.card--ink {
  background: var(--ink-2);
  border-color: var(--line-d);
  color: #E8E6E4;
}
.card--ink h3 { color: #fff; }
.card--ink p { color: rgba(232, 230, 228, .7); }
.card--ink .card__no { color: rgba(232, 230, 228, .42); }
.card--ink .card__ico { background: rgba(237, 53, 18, .16); color: var(--red); }
.card--ink:hover { border-color: var(--red); }

/* 横向宽卡（bento 收尾格） */
.card--wide { display: flex; gap: 30px; align-items: flex-start; padding: 34px 32px; }
.card--wide .card__ico { margin-bottom: 0; }
.card--wide h3 { margin-bottom: 10px; }

/* 功能点列表 */
.flist { margin-top: 20px; display: grid; gap: 9px; }
.flist li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  color: var(--slate);
  line-height: 1.65;
}
.flist li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 7px; height: 2px;
  background: var(--red);
}
.card--ink .flist li { color: rgba(232, 230, 228, .72); }

/* --- 9b. Bento 网格（不对称，带节奏） ------------------------------------ */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.bento > :nth-child(1) { grid-column: span 3; }
.bento > :nth-child(2) { grid-column: span 3; }
.bento > :nth-child(3) { grid-column: span 2; }
.bento > :nth-child(4) { grid-column: span 2; }
.bento > :nth-child(5) { grid-column: span 2; }
.bento > :nth-child(6) { grid-column: span 6; }
.bento > :nth-child(-n+2) { padding: 38px 34px; }
.bento > :nth-child(-n+2) h3 { font-size: clamp(21px, 2.2vw, 26px); }

/* --- 9c. 首页「案件全流程」动态图 --------------------------------------- */
.flowviz { width: 100%; max-width: 620px; margin-left: auto; }
.flowviz svg { width: 100%; height: auto; display: block; }

.fv-card { fill: var(--ink-2); stroke: rgba(255, 255, 255, .09); }
.fv-title { fill: #fff; font-family: var(--f-body); font-size: 19px; font-weight: 700; }
.fv-sub { fill: rgba(232, 230, 228, .42); font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .1em; }
.fv-livetxt { fill: rgba(232, 230, 228, .58); font-family: var(--f-mono); font-size: 12px; }
.fv-live { fill: var(--red); animation: fvLive 2.4s ease-in-out infinite; }
.fv-hr { stroke: rgba(255, 255, 255, .1); }

.fv-kpi { fill: #fff; font-family: var(--f-mono); font-size: 33px; font-weight: 600; }
.fv-kpi--hot { fill: var(--red); }
.fv-unit { font-size: 18px; }
.fv-kpil { fill: rgba(232, 230, 228, .66); font-family: var(--f-body); font-size: 13.5px; }
.fv-lbl { fill: rgba(232, 230, 228, .5); font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; }
.fv-pct { fill: var(--red); font-family: var(--f-mono); font-size: 14px; font-weight: 600; }

.fv-track { stroke: rgba(255, 255, 255, .13); stroke-width: 2; }
.fv-seg {
  stroke: var(--red);
  stroke-width: 2;
  stroke-dasharray: 89;
  stroke-dashoffset: 89;
  animation: fvDraw 6s linear infinite;
}
.fv-s1 { animation-delay: .30s; }
.fv-s2 { animation-delay: .85s; }
.fv-s3 { animation-delay: 1.40s; }
.fv-s4 { animation-delay: 1.95s; }

.fv-node circle {
  fill: rgba(255, 255, 255, .06);
  stroke: rgba(255, 255, 255, .28);
  stroke-width: 1.5;
  animation: fvNode 6s ease-in-out infinite;
}
.fv-idx {
  font-family: var(--f-mono);
  font-size: 14px;
  font-weight: 600;
  text-anchor: middle;
  fill: rgba(232, 230, 228, .5);
  animation: fvIdx 6s ease-in-out infinite;
}
.fv-nl {
  fill: rgba(232, 230, 228, .74);
  font-family: var(--f-body);
  font-size: 14.5px;
  text-anchor: middle;
}
.fv-n1 circle, .fv-n1 .fv-idx { animation-delay: 0s; }
.fv-n2 circle, .fv-n2 .fv-idx { animation-delay: .55s; }
.fv-n3 circle, .fv-n3 .fv-idx { animation-delay: 1.10s; }
.fv-n4 circle, .fv-n4 .fv-idx { animation-delay: 1.65s; }
.fv-n5 circle, .fv-n5 .fv-idx { animation-delay: 2.20s; }

.fv-dot { fill: #fff; animation: fvDot 6s cubic-bezier(.4, 0, .3, 1) infinite; }
.fv-barbg { fill: rgba(255, 255, 255, .09); }
.fv-bar {
  transform-box: fill-box;
  transform-origin: left center;
  animation: fvBar 6s cubic-bezier(.4, 0, .3, 1) infinite;
}

@keyframes fvLive { 0%, 100% { opacity: 1 } 50% { opacity: .25 } }
@keyframes fvNode {
  0%, 3%    { fill: rgba(255,255,255,.06); stroke: rgba(255,255,255,.28); }
  8%, 88%   { fill: var(--red); stroke: var(--red); }
  94%, 100% { fill: rgba(255,255,255,.06); stroke: rgba(255,255,255,.28); }
}
@keyframes fvIdx {
  0%, 3%    { fill: rgba(232,230,228,.45); }
  8%, 88%   { fill: #fff; }
  94%, 100% { fill: rgba(232,230,228,.45); }
}
@keyframes fvDraw {
  0%        { stroke-dashoffset: 89; }
  8%, 88%   { stroke-dashoffset: 0; }
  94%, 100% { stroke-dashoffset: 89; }
}
@keyframes fvDot {
  0%, 5%    { transform: translateX(0); opacity: 0; }
  10%       { opacity: 1; }
  62%       { transform: translateX(500px); opacity: 1; }
  68%, 100% { transform: translateX(500px); opacity: 0; }
}
@keyframes fvBar {
  0%, 5%   { transform: scaleX(0); }
  62%      { transform: scaleX(.78); }
  88%      { transform: scaleX(.78); }
  94%, 100%{ transform: scaleX(0); }
}

/* 系统关闭动效时，直接呈现「流程已跑完」的静态结果 */
@media (prefers-reduced-motion: reduce) {
  .fv-seg { stroke-dashoffset: 0; }
  .fv2-bar { transform: scaleY(1); }
  .fv2-line { stroke-dashoffset: 0; }
  .fv2-pt { opacity: 1; }
  .fv-node circle { fill: var(--red); stroke: var(--red); }
  .fv-idx { fill: #fff; }
  .fv-bar { transform: scaleX(.78); }
  .fv-dot { opacity: 0; }
  .fv-live { animation: none; }
}

/* --- 9d. 首页「经营数据看板」动态图 ------------------------------------- */
.fv-year { fill: rgba(232, 230, 228, .5); font-family: var(--f-mono); font-size: 12px; }
.fv-axis { stroke: rgba(255, 255, 255, .14); stroke-width: 1; }
.fv-mlab { fill: rgba(232, 230, 228, .42); font-family: var(--f-mono); font-size: 10px; text-anchor: middle; }
.fv-foot { fill: rgba(232, 230, 228, .5); font-family: var(--f-body); font-size: 12px; }

.fv2-bar {
  fill: rgba(255, 255, 255, .22);
  transform-box: fill-box;
  transform-origin: bottom center;
  animation: fv2Grow 6s cubic-bezier(.2, .8, .3, 1) infinite;
}
.fv2-bar--peak { fill: var(--red); }

.fv2-line {
  stroke: var(--red);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  stroke-dasharray: 580;
  stroke-dashoffset: 580;
  animation: fv2Draw 6s cubic-bezier(.2, .8, .3, 1) infinite .12s;
}
.fv2-pt { fill: var(--red); animation: fv2Pt 6s ease-out infinite; }

.b1, .p1 { animation-delay: 0s; }
.b2, .p2 { animation-delay: .16s; }
.b3, .p3 { animation-delay: .32s; }
.b4, .p4 { animation-delay: .48s; }
.b5, .p5 { animation-delay: .64s; }
.b6, .p6 { animation-delay: .8s; }
.b7, .p7 { animation-delay: .96s; }
.b8, .p8 { animation-delay: 1.12s; }
.b9, .p9 { animation-delay: 1.28s; }
.b10, .p10 { animation-delay: 1.44s; }
.b11, .p11 { animation-delay: 1.6s; }
.b12, .p12 { animation-delay: 1.76s; }

@keyframes fv2Grow {
  0%, 3%    { transform: scaleY(0); }
  15%, 88%  { transform: scaleY(1); }
  94%, 100% { transform: scaleY(0); }
}
@keyframes fv2Draw {
  0%        { stroke-dashoffset: 580; }
  44%, 88%  { stroke-dashoffset: 0; }
  94%, 100% { stroke-dashoffset: 580; }
}
@keyframes fv2Pt {
  0%, 4%    { opacity: 0; }
  14%, 88%  { opacity: 1; }
  94%, 100% { opacity: 0; }
}

/* --- 10. 产品界面模拟 ---------------------------------------------------- */
.mock {
  background: var(--ink-2);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .65);
  font-size: 12px;
}
.mock__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, .045);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.mock__dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .17); }
.mock__dot--r { background: #E05B52; }
.mock__dot--y { background: #E2B33C; }
.mock__dot--g { background: #59B36B; }
.mock__url {
  margin-left: 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: rgba(232, 230, 228, .42);
  letter-spacing: .02em;
}
.mock__body { display: grid; grid-template-columns: 52px 1fr; min-height: 372px; }
.mock__side {
  background: rgba(0, 0, 0, .22);
  border-right: 1px solid rgba(255, 255, 255, .07);
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.mock__side i {
  width: 20px; height: 20px;
  border-radius: var(--r);
  background: rgba(255, 255, 255, .1);
  display: block;
}
.mock__side i:first-child { background: var(--red); }
.mock__main { padding: 20px; }
.mock__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.mock__h { font-family: var(--f-display); font-size: 15px; font-weight: 700; color: #fff; }
.mock__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.mock__kpi {
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: var(--r);
  padding: 11px 12px;
}
.mock__kpi b {
  display: block;
  font-family: var(--f-mono);
  font-size: 19px;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}
.mock__kpi span { font-size: 10.5px; color: rgba(232, 230, 228, .5); }
.mock__kpi--hot b { color: var(--red); }
.mock__tbl { border-top: 1px solid rgba(255, 255, 255, .08); }
.mock__tr {
  display: grid;
  grid-template-columns: 84px 1fr 76px;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .055);
}
.mock__tr--h { padding: 8px 0; }
.mock__tr--h span {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: .08em;
  color: rgba(232, 230, 228, .38);
  text-transform: uppercase;
}
.mock__c { font-family: var(--f-mono); font-size: 10.5px; color: rgba(232, 230, 228, .55); }
.mock__t { font-size: 12px; color: rgba(232, 230, 228, .9); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock__s { font-family: var(--f-mono); font-size: 10px; padding: 3px 8px; border-radius: 3px; text-align: center; }
.s-run  { background: rgba(89, 179, 107, .15);  color: #7BD08C; }
.s-wait { background: rgba(226, 179, 60, .15);  color: #E2B33C; }
.s-done { background: rgba(140, 152, 172, .15); color: #A9B4C6; }
.s-risk { background: rgba(237, 53, 18, .17);   color: #F4715A; }

/* --- 11. 模块详述 -------------------------------------------------------- */
.mod {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 26px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}
.mod:last-child { border-bottom: 1px solid var(--line); }
.mod__idx {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--slate-l);
  letter-spacing: .06em;
  padding-top: 6px;
}
.mod__idx b { display: block; font-size: 30px; font-weight: 600; color: var(--red); letter-spacing: -.02em; line-height: 1.1; }
.mod__body h3 { margin-bottom: 12px; }
.mod__body > p { color: var(--slate); font-size: 15.5px; max-width: 720px; }
.mod__body > p + p { margin-top: 12px; }
.mod__pts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 28px; margin-top: 20px; }
.mod__pts li { position: relative; padding-left: 19px; font-size: 14.5px; color: var(--slate); }
.mod__pts li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 6px; height: 6px;
  border: 1.5px solid var(--red);
  border-radius: 50%;
}

/* --- 11b. 功能模块动图 --------------------------------------------------- */
.mod {
  grid-template-columns: 92px minmax(0, 1fr) 268px;
  gap: 40px;
}
.mod__viz { width: 100%; max-width: 268px; margin-left: auto; }
.mod__viz svg { width: 100%; height: auto; display: block; }

/* 移动办公模块：真实手机端截图 */
.mod__viz--app { max-width: 226px; }
.mod__viz--app img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px -18px rgba(25, 23, 26, .35);
}

.mvz-card { fill: var(--white); stroke: var(--line); }
.mvz-hr { stroke: var(--line-2); }
.mvz-bar { fill: var(--line); }
.mvz-pill { fill: var(--line); }
.mvz-chip { fill: var(--paper); stroke: var(--line); }
.mvz-lbl { fill: var(--slate-l); font-family: var(--f-body); font-size: 11px; }
.mvz-ruler { fill: var(--line); }

/* 01 台账 */
.mvz-row { animation: mvzRow 6s ease-in-out infinite; }
.mvz-row.r1 { animation-delay: 0s; }
.mvz-row.r2 { animation-delay: .22s; }
.mvz-row.r3 { animation-delay: .44s; }
.mvz-row.r4 { animation-delay: .66s; }
.mvz-row.r5 { animation-delay: .88s; }
.mvz-row .mvz-pill { animation: mvzPill 6s ease-in-out infinite; }
.mvz-row.r1 .mvz-pill { animation-delay: .1s; }
.mvz-row.r2 .mvz-pill { animation-delay: .32s; }
.mvz-row.r3 .mvz-pill { animation-delay: .54s; }
.mvz-row.r4 .mvz-pill { animation-delay: .76s; }
.mvz-row.r5 .mvz-pill { animation-delay: .98s; }
.mvz-chip { animation: mvzChip 6s ease-in-out infinite; }
.mvz-chip.k1 { animation-delay: 0s; }
.mvz-chip.k2 { animation-delay: .1s; }
.mvz-chip.k3 { animation-delay: .2s; }
@keyframes mvzRow {
  0%, 2%    { opacity: 0; transform: translateX(-9px); }
  9%, 88%   { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; transform: translateX(-9px); }
}
@keyframes mvzPill {
  0%, 3%    { fill: var(--line); }
  9%, 88%   { fill: var(--red); }
  94%, 100% { fill: var(--line); }
}
@keyframes mvzChip {
  0%, 3%    { fill: var(--line); }
  9%, 88%   { fill: var(--red); }
  94%, 100% { fill: var(--line); }
}

/* 02 漏斗 */
.mvz-funnel { fill: var(--line); animation: mvzFunnel 6s ease-in-out infinite; }
.mvz-funnel.f1 { animation-delay: 0s; }
.mvz-funnel.f2 { animation-delay: .55s; }
.mvz-funnel.f3 { animation-delay: 1.1s; }
.mvz-funnel.f4 { animation-delay: 1.65s; }
@keyframes mvzFunnel {
  0%, 3%    { fill: var(--line); }
  10%, 88%  { fill: var(--red); }
  94%, 100% { fill: var(--line); }
}

/* 03 日历 */
.mvz-day { fill: var(--white); stroke: var(--line); }
.mvz-day.hot {
  transform-box: fill-box;
  transform-origin: center;
  animation: mvzDay 6s ease-in-out infinite;
}
.mvz-day.hot.h1 { animation-delay: .2s; }
.mvz-day.hot.h2 { animation-delay: .7s; }
.mvz-day.hot.h3 { animation-delay: 1.2s; }
.mvz-bell { fill: var(--red); animation: mvzPulse 2s ease-in-out infinite; }
@keyframes mvzDay {
  0%, 3%    { fill: var(--white); stroke: var(--line); transform: scale(1); }
  8%, 88%   { fill: var(--red); stroke: var(--red); transform: scale(1.1); }
  94%, 100% { fill: var(--white); stroke: var(--line); transform: scale(1); }
}
@keyframes mvzPulse { 0%, 100% { opacity: 1 } 50% { opacity: .3 } }

/* 04 文书 */
.mvz-doc { fill: var(--paper-2); stroke: var(--line); }
.mvz-fold { fill: none; stroke: var(--line); }
.mvz-tl {
  stroke: var(--slate-l); stroke-width: 5; stroke-linecap: round;
  stroke-dasharray: 130; stroke-dashoffset: 130;
  animation: mvzDraw 6s ease-in-out infinite;
}
.mvz-tl.t1 { animation-delay: .2s; }
.mvz-tl.t2 { animation-delay: .5s; }
.mvz-tl.t3 { animation-delay: .8s; }
.mvz-tl.t4 { animation-delay: 1.1s; }
.mvz-tl.t5 { animation-delay: 1.4s; }
@keyframes mvzDraw {
  0%, 3%    { stroke-dashoffset: 130; }
  12%, 88%  { stroke-dashoffset: 0; }
  94%, 100% { stroke-dashoffset: 130; }
}

/* 05 工时 */
.mvz-dial { fill: none; stroke: var(--line); stroke-width: 8; }
.mvz-dial-in { fill: var(--paper); stroke: none; }
.mvz-hand {
  stroke: var(--red); stroke-width: 4; stroke-linecap: round;
  transform-box: view-box; transform-origin: 66px 100px;
  animation: mvzSpin 6s cubic-bezier(.5, 0, .5, 1) infinite;
}
.mvz-dot { fill: var(--red); }
@keyframes mvzSpin { 0% { transform: rotate(0) } 70%, 100% { transform: rotate(900deg) } }

/* 06/05 通用进度条 */
.mvz-track { fill: var(--paper); }
.mvz-fill {
  fill: var(--red);
  transform-box: fill-box; transform-origin: left center;
  animation: mvzFill 6s cubic-bezier(.3, 0, .2, 1) infinite;
}
.mvz-fill.g1 { animation-delay: 0s; }
.mvz-fill.g2 { animation-delay: .45s; }
.mvz-fill.g3 { animation-delay: .9s; }
.mvz-fill.g4 { animation-delay: 1.35s; }
@keyframes mvzFill {
  0%, 3%    { transform: scaleX(0); }
  26%, 88%  { transform: scaleX(1); }
  94%, 100% { transform: scaleX(0); }
}

/* 07 审批与用章 */
.mvz-node { fill: var(--white); stroke: var(--line); stroke-width: 1.5; animation: mvzNode 6s ease-in-out infinite; }
.mvz-node.n1 { animation-delay: .1s; }
.mvz-node.n2 { animation-delay: .7s; }
.mvz-node.n3 { animation-delay: 1.3s; }
.mvz-num {
  fill: var(--slate-l); font-family: var(--f-mono); font-size: 12px; font-weight: 600;
  text-anchor: middle; animation: mvzNum 6s ease-in-out infinite;
}
.mvz-num.q1 { animation-delay: .1s; }
.mvz-num.q2 { animation-delay: .7s; }
.mvz-num.q3 { animation-delay: 1.3s; }
.mvz-conn {
  stroke: var(--red); stroke-width: 2;
  stroke-dasharray: 60; stroke-dashoffset: 60;
  animation: mvzConn 6s ease-in-out infinite;
}
.mvz-conn.c1 { animation-delay: .45s; }
.mvz-conn.c2 { animation-delay: 1.05s; }
.mvz-seal { transform-box: view-box; transform-origin: 140px 150px; animation: mvzSeal 6s ease-out infinite; }
.mvz-seal circle { fill: none; stroke: var(--red); stroke-width: 2; }
.mvz-sealtxt { fill: var(--red); font-family: var(--f-display); font-size: 12px; font-weight: 700; text-anchor: middle; }
.mvz-sealsub { fill: var(--red); font-family: var(--f-mono); font-size: 6px; text-anchor: middle; letter-spacing: .1em; }
@keyframes mvzNode {
  0%, 3%    { fill: var(--white); stroke: var(--line); }
  10%, 88%  { fill: var(--red); stroke: var(--red); }
  94%, 100% { fill: var(--white); stroke: var(--line); }
}
@keyframes mvzNum {
  0%, 3%    { fill: var(--slate-l); }
  10%, 88%  { fill: #fff; }
  94%, 100% { fill: var(--slate-l); }
}
@keyframes mvzConn {
  0%, 3%    { stroke-dashoffset: 60; }
  12%, 88%  { stroke-dashoffset: 0; }
  94%, 100% { stroke-dashoffset: 60; }
}
@keyframes mvzSeal {
  0%, 18%   { opacity: 0; transform: scale(1.9) rotate(-16deg); }
  30%, 88%  { opacity: 1; transform: scale(1) rotate(-9deg); }
  94%, 100% { opacity: 0; transform: scale(1.9) rotate(-16deg); }
}

/* 08 数据看板 */
.mvz-cbar {
  fill: var(--line);
  transform-box: fill-box; transform-origin: bottom center;
  animation: mvzGrow 6s cubic-bezier(.2, .8, .3, 1) infinite;
}
.mvz-cbar.b1 { animation-delay: 0s; }
.mvz-cbar.b2 { animation-delay: .16s; }
.mvz-cbar.b3 { animation-delay: .32s; }
.mvz-cbar.b4 { animation-delay: .48s; }
.mvz-cbar.b5 { animation-delay: .64s; }
.mvz-cbar.b6 { animation-delay: .8s; }
.mvz-axis { stroke: var(--line); }
@keyframes mvzGrow {
  0%, 3%    { transform: scaleY(0); }
  20%, 88%  { transform: scaleY(1); }
  94%, 100% { transform: scaleY(0); }
}

/* 09 移动办公 */
.mvz-phone { fill: var(--white); stroke: var(--line); stroke-width: 1.5; }
.mvz-notch { stroke: var(--line); stroke-width: 3; stroke-linecap: round; }
.mvz-mcard {
  fill: var(--paper); stroke: var(--line);
  animation: mvzSlide 6s ease-out infinite;
}
.mvz-mcard.m1 { animation-delay: .15s; }
.mvz-mcard.m2 { animation-delay: .45s; }
.mvz-mcard.m3 { animation-delay: .75s; }
.mvz-mdot { fill: var(--line); animation: mvzMdot 6s ease-out infinite; }
.mvz-mdot.d1 { animation-delay: .3s; }
.mvz-mdot.d2 { animation-delay: .6s; }
.mvz-mdot.d3 { animation-delay: .9s; }
@keyframes mvzSlide {
  0%, 3%    { opacity: 0; transform: translateX(14px); }
  12%, 88%  { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; transform: translateX(14px); }
}
@keyframes mvzMdot {
  0%, 3%    { fill: var(--line); }
  12%, 88%  { fill: var(--red); }
  94%, 100% { fill: var(--line); }
}

/* --- 11b-2. 案件管理模块：三张截图并排 ------------------------------------ */
.mod--stack { grid-template-columns: 92px minmax(0, 1fr); }
.mod--stack .mod__viz {
  grid-column: 2 / -1;
  max-width: 100%;
  margin: 40px 0 0;
}

.cstack {
  display: grid;
  /* auto-fit：2 张图排 2 列、3 张图排 3 列，都自动铺满 */
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.cstack__i {
  width: 100%;
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px -20px rgba(25, 23, 26, .3);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.cstack__i:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 42px -22px rgba(25, 23, 26, .38);
  border-color: var(--slate-l);
}
.cstack__cap {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--slate);
  text-align: center;
}
.cstack__cap b {
  color: var(--ink);
  font-weight: 600;
}
.cstack__fig { margin: 0; }
/* 手机长图：列窄一些并居中，避免并排后过高 */
.cstack--phone {
  grid-template-columns: repeat(auto-fit, minmax(180px, 230px));
  justify-content: center;
}
.cstack__i { cursor: zoom-in; }
.cstack__i:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* --- 截图灯箱 ---------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 32px 40px;
  background: rgba(25, 23, 26, .84);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  opacity: 0;
  transition: opacity .24s ease;
}
.lightbox[hidden] { display: none; }
.lightbox.is-open { opacity: 1; }

.lightbox__img {
  max-width: min(900px, 94vw);
  max-height: 74vh;
  width: auto;
  height: auto;
  display: block;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 32px 84px -32px rgba(0, 0, 0, .7);
  transform: scale(.965);
  transition: transform .28s cubic-bezier(.2, .8, .3, 1);
}
.lightbox.is-open .lightbox__img { transform: none; }

.lightbox__cap {
  margin-top: 18px;
  max-width: 900px;
  text-align: center;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .82);
}
.lightbox__cap b { color: #fff; }

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  color: #fff;
  font-size: 23px;
  line-height: 1;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}
.lightbox__close:hover {
  background: rgba(255, 255, 255, .18);
  border-color: rgba(255, 255, 255, .45);
}
.lightbox__close:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

@media (max-width: 640px) {
  .lightbox { padding: 64px 16px 32px; }
  .lightbox__img { max-width: 94vw; max-height: 68vh; }
  .lightbox__cap { font-size: 13px; }
  .lightbox__close { top: 14px; right: 14px; width: 38px; height: 38px; font-size: 20px; }
}

/* --- 11c. 大总管 AI 模块 ------------------------------------------------- */
#ai .sec-head { max-width: 720px; }
#ai .sec-head p { color: rgba(232, 230, 228, .62); }

.ai-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.ai-card {
  background: rgba(255, 255, 255, .035);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--r);
  padding: 26px 26px 28px;
  transition: border-color .24s ease, background .24s ease, transform .24s ease;
}
.ai-card:hover {
  border-color: rgba(255, 255, 255, .22);
  background: rgba(255, 255, 255, .055);
  transform: translateY(-4px);
}
.ai-card__viz { margin-bottom: 22px; }
.ai-card__viz svg { width: 100%; height: auto; display: block; }
.ai-card__no {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--red);
  margin-bottom: 10px;
}
.ai-card h3 { color: #fff; font-size: 19px; margin-bottom: 12px; }
.ai-card > p { color: rgba(232, 230, 228, .62); font-size: 14.5px; line-height: 1.72; }
.ai-card__pts {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: grid;
  gap: 9px;
}
.ai-card__pts li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: rgba(232, 230, 228, .72);
  line-height: 1.6;
}
.ai-card__pts li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--red);
}
.ai-note {
  margin-top: 34px;
  text-align: center;
  font-size: 13px;
  color: rgba(232, 230, 228, .45);
}

/* --- AI 动图 ------------------------------------------------------------ */
.aiv-card { fill: #242227; stroke: rgba(255, 255, 255, .09); }

/* 01 案例检索 */
.aiv-box { fill: rgba(255, 255, 255, .05); stroke: rgba(255, 255, 255, .16); }
.aiv-mag { stroke: rgba(232, 230, 228, .55); }
.aiv-input {
  fill: var(--red);
  transform-box: fill-box; transform-origin: left center;
  animation: aivType 6s ease-in-out infinite;
}
.aiv-r { animation: aivIn 6s ease-out infinite; }
.aiv-r.r1 { animation-delay: .5s; }
.aiv-r.r2 { animation-delay: 1.05s; }
.aiv-r.r3 { animation-delay: 1.6s; }
.aiv-rcard { fill: rgba(255, 255, 255, .05); stroke: rgba(255, 255, 255, .13); }
.aiv-rico { fill: rgba(255, 255, 255, .16); }
.aiv-l1, .aiv-l2 { fill: rgba(255, 255, 255, .22); }
.aiv-tag { fill: rgba(237, 53, 18, .18); stroke: rgba(237, 53, 18, .6); }

/* 02 合同审查 */
.aiv-doc { fill: rgba(255, 255, 255, .045); stroke: rgba(255, 255, 255, .14); }
.aiv-t {
  stroke: rgba(255, 255, 255, .2); stroke-width: 4; stroke-linecap: round;
  stroke-dasharray: 140; stroke-dashoffset: 0;
}
.aiv-scan {
  stroke: var(--red); stroke-width: 2;
  animation: aivScan 6s ease-in-out infinite;
}
.aiv-risk {
  fill: rgba(237, 53, 18, .25); stroke: var(--red); stroke-width: 1.2;
  animation: aivRisk 6s ease-out infinite;
}
.aiv-risk.k1 { animation-delay: .6s; }
.aiv-risk.k2 { animation-delay: 1.5s; }
.aiv-risk.k3 { animation-delay: 2.4s; }

/* 03 文书起草 */
.aiv-t.ctr { stroke: rgba(255, 255, 255, .38); stroke-width: 5; }
.aiv-t.g1, .aiv-t.g2, .aiv-t.g3, .aiv-t.g4 {
  stroke-dashoffset: 140;
  animation: aivWrite 6s ease-in-out infinite;
}
.aiv-t.g1 { animation-delay: .3s; }
.aiv-t.g2 { animation-delay: .8s; }
.aiv-t.g3 { animation-delay: 1.3s; }
.aiv-t.g4 { animation-delay: 1.8s; }
.aiv-done { animation: aivDone 6s ease-out infinite; }
.aiv-done circle { fill: none; stroke: var(--red); stroke-width: 1.6; }
.aiv-done path { fill: none; stroke: var(--red); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.aiv-done text { fill: var(--red); font-family: var(--f-body); font-size: 11px; }

@keyframes aivType {
  0%, 4%    { transform: scaleX(0); }
  22%, 88%  { transform: scaleX(1); }
  94%, 100% { transform: scaleX(0); }
}
@keyframes aivIn {
  0%, 6%    { opacity: 0; transform: translateY(6px); }
  16%, 88%  { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; transform: translateY(6px); }
}
@keyframes aivScan {
  0%, 4%    { transform: translateY(0); opacity: 0; }
  10%       { opacity: 1; }
  44%       { transform: translateY(140px); opacity: 1; }
  48%       { transform: translateY(140px); opacity: 0; }
  100%      { transform: translateY(0); opacity: 0; }
}
@keyframes aivRisk {
  0%, 8%    { opacity: 0; }
  16%, 88%  { opacity: 1; }
  94%, 100% { opacity: 0; }
}
@keyframes aivWrite {
  0%, 4%    { stroke-dashoffset: 140; }
  18%, 88%  { stroke-dashoffset: 0; }
  94%, 100% { stroke-dashoffset: 140; }
}
@keyframes aivDone {
  0%, 34%   { opacity: 0; transform: translateY(5px); }
  44%, 88%  { opacity: 1; transform: none; }
  94%, 100% { opacity: 0; transform: translateY(5px); }
}

/* --- 表单状态提示 -------------------------------------------------------- */
.form-tip {
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slate);
}
.form-tip--ok { color: #1a7f47; }
.form-tip--err { color: var(--red); }
#trialForm input:focus,
#trialForm select:focus {
  outline: none;
  border-color: var(--slate-l);
  background: var(--white);
}

/* --- 12. 对比表 ---------------------------------------------------------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--white); }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { padding: 17px 24px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--line-2); }
thead th {
  background: var(--ink);
  color: #fff;
  font-family: var(--f-display);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .02em;
  border-bottom: 0;
}
thead th:nth-child(2) { color: var(--slate-l); }
thead th:nth-child(3) { color: #fff; background: var(--red-deep); }
tbody td:first-child { color: var(--ink); font-weight: 600; width: 30%; }
tbody td:nth-child(2) { color: var(--slate-l); }
tbody td:nth-child(3) { color: var(--ink); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--paper); }
tbody td:nth-child(3) { background: rgba(237, 53, 18, .04); }

/* --- 13. 时间线 ---------------------------------------------------------- */
.tl { position: relative; margin-top: 54px; }
.tl::before {
  content: "";
  position: absolute;
  left: 118px; top: 8px; bottom: 8px;
  width: 1px;
  background: repeating-linear-gradient(to bottom, var(--line) 0 5px, transparent 5px 11px);
}
.tl__item { display: grid; grid-template-columns: 118px 1fr; gap: 44px; padding-bottom: 40px; position: relative; }
.tl__item:last-child { padding-bottom: 0; }
.tl__yr {
  font-family: var(--f-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--red);
  text-align: right;
  padding-top: 2px;
  letter-spacing: .04em;
}
.tl__dot {
  position: absolute;
  left: 113px; top: 9px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--paper-2);
  border: 2px solid var(--red);
}
.tl__item:first-child .tl__dot { background: var(--red); border-color: var(--red); box-shadow: 0 0 0 4px var(--red-soft); }
.tl__c h4 { margin-bottom: 7px; font-family: var(--f-body); font-size: 16px; font-weight: 700; }
.tl__c p { color: var(--slate); font-size: 14.5px; }
.sec--ink .tl::before { background: repeating-linear-gradient(to bottom, var(--line-d) 0 5px, transparent 5px 11px); }
.sec--ink .tl__dot { background: var(--ink); }

/* --- 14. 客户墙 ---------------------------------------------------------- */
.logos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.logo-cell {
  background: var(--white);
  min-height: 104px;
  display: grid;
  place-items: center;
  padding: 18px;
  transition: background .22s ease;
}
.logo-cell:hover { background: var(--paper); }
.logo-cell span {
  font-family: var(--f-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--slate);
  letter-spacing: .04em;
  text-align: center;
  line-height: 1.4;
  transition: color .22s ease;
}
.logo-cell:hover span { color: var(--ink); }

/* --- 13b. 企业新闻滚动条 ------------------------------------------------- */
#news { overflow: hidden; }
#news .sec-head { margin-bottom: 46px; }

.news-rail {
  overflow: hidden;
  padding: 4px 0 6px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.news-rail__track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: newsRoll 90s linear infinite;
}
.news-rail:hover .news-rail__track { animation-play-state: paused; }

.news-card {
  flex: none;
  width: 316px;
  margin-right: 20px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  transition: border-color .24s ease, box-shadow .24s ease, transform .24s ease;
}
.news-card:hover {
  border-color: var(--slate-l);
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
}
.news-card__img { display: block; height: 176px; overflow: hidden; background: var(--line-2); }
.news-card__img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.news-card:hover .news-card__img img { transform: scale(1.045); }

.news-card__body { display: block; padding: 18px 20px 20px; }
.news-card__date {
  display: block;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--slate-l);
  margin-bottom: 9px;
}
.news-card__title {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-family: var(--f-display);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}
.news-card:hover .news-card__title { color: var(--red); }

@keyframes newsRoll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --- 14a. 客户 LOGO 无缝滚动墙 ------------------------------------------ */
.marquee {
  display: grid;
  gap: 16px;
  overflow: hidden;
  /* 两侧淡出，避免 LOGO 被硬切 */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.marquee__row { overflow: hidden; }
.marquee__track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: mqLeft 52s linear infinite;
}
.marquee__row--rev .marquee__track { animation-name: mqRight; }
.marquee:hover .marquee__track { animation-play-state: paused; }

.mq-item {
  flex: none;
  width: 176px;
  height: 106px;
  margin-right: 16px;          /* 用 margin 而非 gap，保证 -50% 精确对齐 */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 12px 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color .22s ease, box-shadow .22s ease;
}
.mq-item img { max-width: 100%; max-height: 38px; object-fit: contain; display: block; }
.mq-item span {
  font-size: 11.5px;
  line-height: 1.4;
  color: var(--slate);
  text-align: center;
  letter-spacing: .01em;
}
.mq-item:hover { border-color: var(--slate-l); box-shadow: var(--shadow-1); }

@keyframes mqLeft {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes mqRight {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

/* --- 14b. 客户墙（真实 LOGO + 名称） ------------------------------------ */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
.client {
  background: var(--white);
  padding: 22px 14px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  min-height: 134px;
  transition: background .22s ease;
}
.client:hover { background: var(--paper); }
.client__logo {
  height: 58px;
  width: 100%;
  display: grid;
  place-items: center;
}
.client__logo img {
  max-height: 58px;
  max-width: 100%;
  object-fit: contain;
}
.client__name {
  font-size: 12px;
  line-height: 1.45;
  color: var(--slate);
  text-align: center;
  letter-spacing: .01em;
}
.client--noimg { justify-content: center; }
.client--empty { min-height: 134px; }
.client--noimg span {
  font-family: var(--f-display);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--slate);
  line-height: 1.5;
  text-align: center;
}

/* 证言 */
.quote {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  border-radius: var(--r);
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.quote p { font-size: 15.5px; color: var(--ink); line-height: 1.85; flex: 1; }
.quote__by { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line-2); }
.quote__by b { display: block; font-size: 14.5px; }
.quote__by span { font-size: 13px; color: var(--slate-l); font-family: var(--f-mono); }

/* --- 15. 荣誉资质 -------------------------------------------------------- */
.cert {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 24px;
  text-align: center;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.cert:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--red-deep); }
.cert__ic {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1.5px solid var(--red-deep);
  color: var(--red-deep);
  position: relative;
}
.cert__ic::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(133, 20, 22, .28);
  border-radius: 50%;
}
.cert h4 { font-family: var(--f-display); font-size: 15.5px; margin-bottom: 8px; }
.cert p { font-size: 13px; color: var(--slate-l); font-family: var(--f-mono); letter-spacing: .02em; }

/* --- 15b. 证书墙（真实扫描件） ------------------------------------------- */
.certs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.cert-doc {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.cert-doc:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--ink); }
.cert-doc__view {
  display: block;
  background: var(--paper);
  padding: 16px;
  border-bottom: 1px solid var(--line-2);
  position: relative;
}
.cert-doc__view img {
  width: 100%;
  height: 248px;
  object-fit: contain;
  display: block;
  mix-blend-mode: multiply;
}
.cert-doc__view::after {
  content: "点击查看原件";
  position: absolute;
  left: 16px; bottom: 10px;
  font-size: 11px;
  font-family: var(--f-mono);
  color: var(--slate-l);
  letter-spacing: .04em;
  opacity: 0;
  transition: opacity .22s ease;
}
.cert-doc:hover .cert-doc__view::after { opacity: 1; }
.cert-doc__body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.cert-doc__body h3 { font-size: 17px; margin-bottom: 10px; }
.cert-doc__body p { font-size: 14px; color: var(--slate); }
.cert-doc__meta { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line-2); display: grid; gap: 7px; }
.cert-doc__meta div { display: flex; gap: 12px; font-size: 12.5px; color: var(--slate); }
.cert-doc__meta b {
  flex: none;
  min-width: 74px;
  font-weight: 500;
  color: var(--slate-l);
  font-family: var(--f-body);
}
.cert-doc__meta span { font-family: var(--f-mono); letter-spacing: .01em; word-break: break-all; }

/* --- 16. Tab ------------------------------------------------------------- */
.tabs {
  display: inline-flex;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--white);
  padding: 4px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.tab {
  padding: 11px 26px;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 600;
  color: var(--slate);
  transition: background .22s ease, color .22s ease;
}
.tab.is-on { background: var(--ink); color: #fff; }
.tab:hover:not(.is-on) { color: var(--ink); }
.pane { display: none; }
.pane.is-on { display: block; animation: fade-up .5s ease both; }
@keyframes fade-up { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* --- 17. 下载卡 ---------------------------------------------------------- */
.dl {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.dl:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--ink); }
.dl__top { display: flex; align-items: center; gap: 15px; margin-bottom: 18px; }
.dl__ic {
  width: 50px; height: 50px;
  flex: none;
  display: grid; place-items: center;
  background: var(--ink);
  color: #fff;
  border-radius: var(--r);
}
.dl__tt h4 { font-family: var(--f-display); font-size: 17px; }
.dl__tt span { font-size: 12.5px; color: var(--slate-l); font-family: var(--f-mono); }
.dl__meta { display: flex; gap: 16px; font-size: 12.5px; color: var(--slate-l); font-family: var(--f-mono); margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line-2); }
.dl__desc { font-size: 14px; color: var(--slate); flex: 1; margin-bottom: 22px; }
.dl__btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper-2);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.dl__btn:hover { background: var(--red); color: #fff; border-color: var(--red); }

/* 小程序二维码：点击可打开原图，便于长按识别或扫码 */
.dl__qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper-2);
  transition: border-color .2s ease, background .2s ease;
}
.dl__qr:hover { border-color: var(--red); background: var(--white); }
.dl__qr img { width: 132px; height: 132px; display: block; }
.dl__qr span { font-size: 12.5px; color: var(--slate); }

/* --- 18. 流程 ------------------------------------------------------------ */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: f; }
.flow__s { position: relative; padding: 0 22px 0 0; }
.flow__s::after {
  content: "";
  position: absolute;
  top: 19px; left: 44px; right: 8px;
  height: 1px;
  background: var(--line);
}
.flow__s:last-child::after { display: none; }
.flow__n {
  counter-increment: f;
  width: 38px; height: 38px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 600;
  background: var(--paper-2);
  position: relative;
  z-index: 2;
  margin-bottom: 18px;
}
.flow__n::before { content: counter(f, decimal-leading-zero); }
.flow__s h4 { font-size: 16px; margin-bottom: 8px; font-family: var(--f-body); font-weight: 700; }
.flow__s p { font-size: 14px; color: var(--slate); }

/* --- 19. CTA 区 ---------------------------------------------------------- */
.cta {
  background: var(--ink);
  color: #fff;
  padding: 84px 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 100% at 85% 50%, rgba(237, 53, 18, .16), transparent 70%);
}
.cta .wrap { position: relative; z-index: 2; }
.cta__in { display: flex; align-items: center; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.cta h2 { max-width: 620px; }
.cta p { margin-top: 14px; color: rgba(232, 230, 228, .7); font-size: 16px; }

/* --- 19b. 方案轮播 ------------------------------------------------------- */
.carousel { position: relative; }

.carousel__track {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 8px 0 10px;          /* 给卡片 hover 上浮留出空间，避免被裁 */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.carousel__track::-webkit-scrollbar { display: none; }

.carousel__item {
  flex: 0 0 calc((100% - 44px) / 3);
  scroll-snap-align: start;
}

.carousel__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 34px;
}
.carousel__arrow {
  width: 46px; height: 46px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--ink);
  transition: background .2s ease, color .2s ease, border-color .2s ease, opacity .2s ease;
}
.carousel__arrow:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.carousel__arrow:disabled { opacity: .28; }
.carousel__arrow:disabled:hover {
  background: var(--white);
  border-color: var(--line);
  color: var(--ink);
  cursor: default;
}

.carousel__dots { display: flex; align-items: center; gap: 9px; }
.carousel__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--line);
  transition: background .22s ease, transform .22s ease;
}
.carousel__dot:hover { background: var(--slate-l); }
.carousel__dot.is-on { background: var(--red); transform: scale(1.3); }

/* --- 20. 页脚 ------------------------------------------------------------ */
.ftr { background: var(--black); color: rgba(232, 230, 228, .6); padding: 68px 0 0; font-size: 14px; }
.ftr__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 52px; }
.ftr__brand .logo { margin-bottom: 20px; margin-right: 0; }
.ftr__brand p { font-size: 13.5px; line-height: 1.8; max-width: 300px; }
.ftr h5 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--f-body);
  margin: 0 0 18px;
  letter-spacing: .04em;
}
.ftr__links { display: grid; gap: 11px; }
.ftr__links a { font-size: 13.5px; transition: color .2s ease; }
.ftr__links a:hover { color: var(--red); }
.ftr__ct { display: grid; gap: 13px; }
.ftr__ct div { display: flex; gap: 10px; font-size: 13.5px; line-height: 1.6; }
.ftr__ct svg { flex: none; margin-top: 4px; color: var(--red-deep); }
.ftr__bar {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
}
.ftr__bar a:hover { color: var(--red); }
.ftr__legal { display: inline-flex; align-items: center; gap: 20px; flex-wrap: wrap; }

/* --- 21. 滚动动效 -------------------------------------------------------- */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.rv.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; }
}

/* --- 22. 响应式 ---------------------------------------------------------- */
@media (max-width: 1080px) {
  .hdr__nav { gap: 24px; }
  .hdr__tel { display: none; }
  .hero__grid { grid-template-columns: 1fr; gap: 54px; }
  .hero.hero--page.hero--split .hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .pviz { margin: 0; max-width: 520px; }
  .logos { grid-template-columns: repeat(4, 1fr); }
  .clients-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .carousel__item { flex: 0 0 calc((100% - 22px) / 2); }
  .ai-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ftr__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .sec { padding: 84px 0; }
}

@media (max-width: 900px) {
  .hdr__nav { display: none; }
  .hdr__cta .btn:not(.burger) { display: none; }
  .burger { display: flex; }
  .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .mod { grid-template-columns: 1fr; gap: 14px; }
  .mod__idx { display: flex; align-items: baseline; gap: 12px; padding-top: 0; }
  .mod__idx b { font-size: 22px; }
  .mod__body { margin-top: 4px; }
  .mod__viz { max-width: 300px; margin: 8px auto 0; }
  .mod--stack .mod__viz { max-width: 100%; margin: 26px 0 0; }
  .cstack { grid-template-columns: 1fr; gap: 28px; }
  .flow { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .flow__s::after { display: none; }
  .stamp { display: none; }
  .tl::before { left: 74px; }
  .tl__item { grid-template-columns: 74px 1fr; gap: 30px; }
  .tl__dot { left: 69px; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento > * { grid-column: span 1 !important; }
  .card--wide { flex-direction: column; gap: 20px; }
  .certs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .clients-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  :root { --gut: 20px; }
  .sec { padding: 68px 0; }
  .hero { padding: 128px 0 64px; }
  .hero--page { padding: 120px 0 58px; }
  .g4, .g3, .g2 { grid-template-columns: 1fr; }
  .logos { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 22px 18px; }
  .stat__n { font-size: 27px; }
  .stat__n small { font-size: 13px; }
  .ftr__grid { grid-template-columns: 1fr; gap: 34px; }
  .mod__pts { grid-template-columns: 1fr; }
  .mod__viz { max-width: 260px; }
  .flow { grid-template-columns: 1fr; gap: 30px; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .hdr__cta .btn--seal { display: none; }
  .cta__in { flex-direction: column; align-items: flex-start; }
  .tabs { display: flex; width: 100%; }
  .tab { flex: 1; text-align: center; padding: 11px 12px; font-size: 14px; }
  .mock__body { grid-template-columns: 1fr; }
  .mock__side { display: none; }
  .mock__kpis { grid-template-columns: 1fr; }
  .mock__tr { grid-template-columns: 1fr 62px; }
  .mock__tr > span:first-child { display: none; }
  .bento { grid-template-columns: 1fr; }
  .bento > :nth-child(-n+2) { padding: 30px 26px; }
  .certs { grid-template-columns: 1fr; }
  .cert-doc__view img { height: 210px; }
  .clients-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mq-item { width: 140px; height: 92px; padding: 12px 10px 10px; margin-right: 12px; gap: 8px; }
  .mq-item img { max-height: 30px; }
  .mq-item span { font-size: 10.5px; }
  .marquee { gap: 12px; }
  .news-card { width: 268px; margin-right: 14px; }
  .news-card__img { height: 150px; }
  .news-card__body { padding: 15px 16px 17px; }
  .news-card__title { font-size: 14.5px; -webkit-line-clamp: 3; }
  .news-rail__track { animation-duration: 76s; }
  .carousel__item { flex: 0 0 84%; }
  .ai-grid { grid-template-columns: 1fr; gap: 18px; }
  .carousel__nav { gap: 14px; margin-top: 26px; }
  .carousel__arrow { width: 40px; height: 40px; }
  .client { padding: 16px 10px 14px; min-height: 116px; gap: 9px; }
  .client__logo { height: 46px; }
  .client__logo img { max-height: 46px; }
  .client__name { font-size: 11px; }
  .client--noimg span { font-size: 13px; }
}