/* ==========================================================================
   新疆漠禾文化传播有限公司 · 官网样式
   风格：红黑电影感（Cinematic Red-Black）
   配色：深底 #08080A → 正红 #E60012 → 暗红 #8B0A1E
   断点：1180 / 960 / 720 / 520
   ========================================================================== */

/* ---------- 1. 变量与基础 ---------- */
:root{
  --bg:        #08080A;
  --bg-1:      #0E0E12;
  --bg-2:      #131318;
  --bg-3:      #1A1A21;
  --line:      rgba(255,255,255,.09);
  --line-2:    rgba(255,255,255,.16);

  --red:       #E60012;
  --red-hi:    #FF1A2E;
  --red-deep:  #8B0A1E;
  --red-glow:  rgba(230,0,18,.30);

  --txt:       #F2F2F5;
  --txt-2:     #B6B6C2;
  --txt-3:     #7E7E8C;

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --wrap: 1240px;
  --nav-h: 74px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{ box-sizing:border-box; }

html{
  scroll-behavior:smooth;
  scroll-padding-top:var(--nav-h);
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{ overflow:hidden; }

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:0; background:none; color:inherit; }
h1,h2,h3,h4,p,ul,ol,figure{ margin:0; }
ul,ol{ padding:0; list-style:none; }
::selection{ background:var(--red); color:#fff; }

/* 滚动条 */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:#0A0A0D; }
::-webkit-scrollbar-thumb{ background:#2A2A33; border-radius:6px; border:2px solid #0A0A0D; }
::-webkit-scrollbar-thumb:hover{ background:var(--red-deep); }

/* ---------- 2. 通用组件 ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 32px; }

.section{ padding:120px 0; position:relative; }
.section + .section{ border-top:1px solid var(--line); }

.kicker{
  font-size:12px; font-weight:700; letter-spacing:.22em; text-transform:uppercase;
  color:var(--red); margin-bottom:20px; display:flex; align-items:center; gap:12px;
}
.kicker::before{
  content:''; width:38px; height:1px; background:var(--red); flex:none;
}

.h2{
  font-size:clamp(28px, 4.2vw, 46px);
  line-height:1.28; font-weight:800; letter-spacing:-.01em;
}

.sec-head{ max-width:760px; margin-bottom:64px; }
.sec-head__desc{ margin-top:22px; color:var(--txt-2); font-size:17px; }

.lead{ color:var(--txt-2); font-size:16.5px; margin-bottom:18px; }

/* 按钮 */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  height:52px; padding:0 30px; border-radius:3px;
  font-size:15px; font-weight:600; letter-spacing:.02em;
  transition:.35s var(--ease); position:relative; overflow:hidden;
}
.btn__arw{ transition:transform .35s var(--ease); display:inline-block; }
.btn:hover .btn__arw{ transform:translateX(5px); }

.btn--primary{ background:var(--red); color:#fff; }
.btn--primary:hover{ background:var(--red-hi); box-shadow:0 10px 34px -8px var(--red-glow); }
.btn--ghost{ border:1px solid var(--line-2); color:var(--txt); }
.btn--ghost:hover{ border-color:var(--red); color:var(--red); }
.btn--block{ width:100%; justify-content:center; }

/* 进场动画（默认即显示，IO 仅用于触发现有元素的轻量装饰；截图/爬虫/无 JS 都安全） */
.reveal{
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-in{ /* 兼容保留：JS 已触发标记，CSS 默认已可见，无额外样式变化 */ }
@media (prefers-reduced-motion:reduce){
  .reveal{ transition:none; }
  html{ scroll-behavior:auto; }
}

/* 待替换内容标记（联系信息/备案号）——填真实信息后，给 body 加 class="todo-off" 即可隐藏 */
.ph-text{
  position:relative; display:inline-block;
  border-bottom:1px dashed rgba(230,0,18,.55); padding-right:2px;
}
.ph-text::after{
  content:'待替换';
  position:absolute; left:calc(100% + 8px); top:50%; transform:translateY(-50%);
  font-size:10px; font-weight:700; letter-spacing:.06em; line-height:1;
  color:var(--red); background:rgba(230,0,18,.10);
  border:1px solid rgba(230,0,18,.4); border-radius:2px;
  padding:4px 6px; white-space:nowrap; pointer-events:none;
}
.ph-text--inline::after{ top:-2px; transform:none; }
body.todo-off .ph-text{ border-bottom-color:transparent; }
body.todo-off .ph-text::after{ display:none; }

/* ---------- 3. 导航 ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  height:var(--nav-h);
  transition:background .4s var(--ease), box-shadow .4s var(--ease), height .4s var(--ease);
}
.nav.is-stuck{
  height:64px;
  background:rgba(8,8,10,.86);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 1px 0 var(--line);
}
.nav__inner{
  max-width:var(--wrap); height:100%; margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.nav__progress{
  position:absolute; left:0; bottom:0; height:2px; width:0%;
  background:linear-gradient(90deg,var(--red-deep),var(--red));
  transition:width .12s linear;
}

.logo{ display:flex; align-items:center; gap:12px; flex:none; }
.logo__mark{ display:flex; transition:transform .6s var(--ease); }
.logo:hover .logo__mark{ transform:rotate(120deg); }
.logo__text{ display:flex; flex-direction:column; line-height:1.15; }
.logo__text b{ font-size:17px; font-weight:800; letter-spacing:.06em; }
.logo__text i{
  font-style:normal; font-size:9.5px; letter-spacing:.24em;
  color:var(--txt-3); text-transform:uppercase;
}

.nav__menu{ display:flex; align-items:center; gap:6px; }
.nav__link{
  position:relative; padding:9px 15px; font-size:14.5px; color:var(--txt-2);
  border-radius:3px; transition:color .3s var(--ease);
}
.nav__link::after{
  content:''; position:absolute; left:15px; right:15px; bottom:2px;
  height:1px; background:var(--red); transform:scaleX(0);
  transform-origin:left; transition:transform .35s var(--ease);
}
.nav__link:hover{ color:var(--txt); }
.nav__link:hover::after,
.nav__link.is-active::after{ transform:scaleX(1); }
.nav__link.is-active{ color:var(--txt); }
.nav__link--cta{
  margin-left:10px; padding:9px 20px; border:1px solid var(--line-2); color:var(--txt);
}
.nav__link--cta:hover{ background:var(--red); border-color:var(--red); color:#fff; }
.nav__link--cta::after{ display:none; }

.nav__toggle{ display:none; width:42px; height:42px; padding:11px 9px; }
.nav__toggle span{
  display:block; height:1.5px; background:var(--txt); border-radius:2px;
  transition:.35s var(--ease);
}
.nav__toggle span + span{ margin-top:6px; }
.nav.is-open .nav__toggle span:nth-child(1){ transform:translateY(7.5px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2){ opacity:0; }
.nav.is-open .nav__toggle span:nth-child(3){ transform:translateY(-7.5px) rotate(-45deg); }

/* ---------- 4. 首屏 ---------- */
.hero{
  position:relative; min-height:100svh;
  display:flex; flex-direction:column; justify-content:center;
  padding:calc(var(--nav-h) + 60px) 0 0; overflow:hidden;
}
.hero__bg{ position:absolute; inset:0; z-index:0; }
.hero__bg img{ width:100%; height:100%; object-fit:cover; }
.hero__bg::after{
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(120% 90% at 12% 30%, rgba(230,0,18,.20), transparent 58%),
    linear-gradient(100deg, rgba(8,8,10,.94) 8%, rgba(8,8,10,.62) 52%, rgba(8,8,10,.86) 100%);
}
/* 胶片噪点 */
.hero__grain{
  position:absolute; inset:0; z-index:1; pointer-events:none; opacity:.30;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='.42'/></svg>");
  mix-blend-mode:overlay;
}

.hero__content{
  position:relative; z-index:2;
  max-width:var(--wrap); width:100%; margin:0 auto; padding:0 32px;
  flex:1; display:flex; flex-direction:column; justify-content:center;
}
.hero__eyebrow{
  display:inline-flex; align-items:center; gap:10px; align-self:flex-start;
  font-size:12.5px; letter-spacing:.2em; text-transform:uppercase;
  color:var(--txt-2); border:1px solid var(--line-2); border-radius:100px;
  padding:7px 16px 7px 12px; background:rgba(0,0,0,.28); margin-bottom:30px;
}
.hero__eyebrow .dot{
  width:6px; height:6px; border-radius:50%; background:var(--red); flex:none;
  box-shadow:0 0 0 0 var(--red-glow); animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(230,0,18,.55); }
  70%{ box-shadow:0 0 0 11px rgba(230,0,18,0); }
  100%{ box-shadow:0 0 0 0 rgba(230,0,18,0); }
}

.hero__title{
  font-size:clamp(38px, 7.4vw, 88px);
  line-height:1.06; font-weight:900; letter-spacing:-.02em; margin-bottom:28px;
  text-shadow:0 4px 40px rgba(0,0,0,.6);
}
.hero__title .hl{
  color:var(--red); position:relative;
  text-shadow:0 0 46px rgba(230,0,18,.55);
}
.hero__desc{
  max-width:600px; color:var(--txt-2); font-size:clamp(15px,1.6vw,17.5px);
  line-height:1.85; margin-bottom:40px;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; }

.hero__stats{
  position:relative; z-index:2; margin-top:auto;
  border-top:1px solid var(--line);
  background:linear-gradient(to top, rgba(8,8,10,.92), rgba(8,8,10,.30));
  backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
}
.hero__stats .wrap,
.hero__stats{
  max-width:var(--wrap);
}
.hero__stats{
  width:100%; margin-left:auto; margin-right:auto;
  padding:0; display:grid; grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:26px 32px; text-align:left;
  border-left:1px solid var(--line);
}
.stat:first-child{ border-left:0; }
.stat b{
  font-size:clamp(26px,3.4vw,40px); font-weight:800; line-height:1;
  font-variant-numeric:tabular-nums;
}
.stat span{ font-size:15px; color:var(--red); font-weight:700; margin-left:2px; }
.stat em{
  display:block; font-style:normal; font-size:12.5px;
  color:var(--txt-3); letter-spacing:.12em; margin-top:9px;
}

.hero__scroll{
  position:absolute; left:50%; bottom:112px; transform:translateX(-50%);
  z-index:3; display:flex; flex-direction:column; align-items:center; gap:10px;
  font-size:9.5px; letter-spacing:.3em; color:var(--txt-3);
}
.hero__scroll-line{
  width:1px; height:44px; background:linear-gradient(to bottom,transparent,var(--red));
  animation:scrollLine 2s var(--ease) infinite;
}
@keyframes scrollLine{
  0%{ transform:scaleY(0); transform-origin:top; }
  50%{ transform:scaleY(1); transform-origin:top; }
  51%{ transform:scaleY(1); transform-origin:bottom; }
  100%{ transform:scaleY(0); transform-origin:bottom; }
}

/* ---------- 5. 关于 ---------- */
.about{ background:var(--bg-1); }
.about__grid{
  display:grid; grid-template-columns:0.92fr 1.08fr; gap:72px; align-items:center;
}
.about__media{ position:relative; }
.about__media img{
  width:100%; aspect-ratio:25/18; object-fit:cover;
  border-radius:3px; border:1px solid var(--line);
}
.about__media::after{
  content:''; position:absolute; inset:-1px; border-radius:3px; pointer-events:none;
  background:linear-gradient(160deg, rgba(230,0,18,.16), transparent 46%);
}
.about__badge{
  position:absolute; left:-1px; bottom:-1px;
  background:var(--red); padding:16px 26px; border-radius:0 3px 0 3px;
}
.about__badge b{ display:block; font-size:17px; font-weight:800; letter-spacing:.04em; }
.about__badge span{ font-size:12px; opacity:.9; letter-spacing:.08em; }

.about__list{
  display:grid; grid-template-columns:1fr 1fr; gap:2px;
  margin-top:38px; background:var(--line);
  border:1px solid var(--line);
}
.about__list li{
  background:var(--bg-2); padding:22px 24px;
  transition:background .4s var(--ease);
}
.about__list li:hover{ background:var(--bg-3); }
.about__list b{
  display:flex; align-items:center; gap:9px;
  font-size:15px; font-weight:700; margin-bottom:7px;
}
.about__list b::before{
  content:''; width:6px; height:6px; background:var(--red); flex:none;
  transform:rotate(45deg);
}
.about__list span{ font-size:13.5px; color:var(--txt-3); line-height:1.7; display:block; }

/* ---------- 6. 核心业务 ---------- */
.services{ background:var(--bg); }
.svc-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line);
}
.svc{
  background:var(--bg-1); padding:44px 36px 38px; position:relative; overflow:hidden;
  transition:background .45s var(--ease);
}
.svc::before{
  content:''; position:absolute; left:0; top:0; height:2px; width:0;
  background:var(--red); transition:width .5s var(--ease);
}
.svc:hover{ background:var(--bg-2); }
.svc:hover::before{ width:100%; }

.svc__num{
  display:block; font-size:12px; font-weight:800; letter-spacing:.16em;
  color:var(--red); margin-bottom:20px;
}
.svc h3{ font-size:21px; font-weight:700; margin-bottom:14px; letter-spacing:.01em; }
.svc p{ font-size:14.5px; color:var(--txt-2); line-height:1.85; margin-bottom:20px; }
.svc__tags{ display:flex; flex-wrap:wrap; gap:7px; }
.svc__tags li{
  font-size:11.5px; color:var(--txt-3); letter-spacing:.04em;
  border:1px solid var(--line); border-radius:2px; padding:4px 10px;
  transition:.35s var(--ease);
}
.svc:hover .svc__tags li{ border-color:rgba(230,0,18,.42); color:var(--txt-2); }

/* ---------- 7. 案例 ---------- */
.cases{ background:var(--bg-1); }
.cases__filter{
  display:flex; flex-wrap:wrap; gap:9px; margin-bottom:40px;
  padding-bottom:32px; border-bottom:1px solid var(--line);
}
.chip{
  height:40px; padding:0 20px; border:1px solid var(--line); border-radius:2px;
  font-size:14px; color:var(--txt-2);
  display:inline-flex; align-items:center; gap:6px;
  transition:.3s var(--ease);
}
.chip sup{ font-size:10px; color:var(--txt-3); top:-.5em; }
.chip:hover{ border-color:var(--line-2); color:var(--txt); }
.chip.is-on{
  background:var(--red); border-color:var(--red); color:#fff; font-weight:600;
}
.chip.is-on sup{ color:rgba(255,255,255,.72); }

.cases__grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
}
.ccard{
  position:relative; border:1px solid var(--line); background:var(--bg-2);
  overflow:hidden; cursor:pointer; text-align:left; width:100%;
  transition:border-color .4s var(--ease), transform .4s var(--ease), opacity .4s var(--ease);
  display:block;
}
.ccard:hover{ border-color:rgba(230,0,18,.5); transform:translateY(-4px); }
.ccard.is-hide{ display:none; }

.ccard__pic{ position:relative; aspect-ratio:3/2; overflow:hidden; background:var(--bg-3); }
.ccard__pic img{
  width:100%; height:100%; object-fit:cover;
  transition:transform .8s var(--ease), filter .6s var(--ease);
  filter:saturate(.86) brightness(.92);
}
.ccard:hover .ccard__pic img{ transform:scale(1.07); filter:saturate(1) brightness(1); }
.ccard__pic::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(to top, rgba(8,8,10,.86) 0%, rgba(8,8,10,.10) 46%, transparent 100%);
}
.ccard__cat{
  position:absolute; left:14px; top:14px; z-index:2;
  font-size:11px; font-weight:700; letter-spacing:.06em;
  background:var(--red); color:#fff; padding:4px 10px; border-radius:2px;
}
.ccard__year{
  position:absolute; right:14px; top:14px; z-index:2;
  font-size:11.5px; color:rgba(255,255,255,.72); letter-spacing:.08em;
  background:rgba(0,0,0,.42); padding:4px 9px; border-radius:2px;
  backdrop-filter:blur(4px);
}
.ccard__zoom{
  position:absolute; inset:0; z-index:2;
  display:flex; align-items:center; justify-content:center;
  opacity:0; transition:opacity .4s var(--ease);
}
.ccard__zoom i{
  width:54px; height:54px; border-radius:50%;
  border:1px solid rgba(255,255,255,.6); backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center;
  font-size:19px; font-style:normal; background:rgba(0,0,0,.28);
}
.ccard:hover .ccard__zoom{ opacity:1; }

.ccard__body{ padding:20px 22px 24px; }
.ccard__body h3{
  font-size:17px; font-weight:700; line-height:1.5; margin-bottom:9px;
  transition:color .3s var(--ease);
}
.ccard:hover .ccard__body h3{ color:var(--red); }
.ccard__body p{
  font-size:13.5px; color:var(--txt-3); line-height:1.75;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.ccard__meta{
  margin-top:14px; padding-top:13px; border-top:1px solid var(--line);
  font-size:12px; color:var(--txt-3); letter-spacing:.04em;
  display:flex; align-items:center; gap:8px;
}
.ccard__meta i{ font-style:normal; color:var(--red); }

.cases__empty{ text-align:center; color:var(--txt-3); padding:60px 0; font-size:15px; }

/* ---------- 8. 服务流程 ---------- */
.process{ background:var(--bg); }
.proc{
  display:grid; grid-template-columns:repeat(5,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); counter-reset:p;
}
.proc li{
  background:var(--bg-1); padding:38px 26px 34px; position:relative;
  transition:background .4s var(--ease);
}
.proc li:hover{ background:var(--bg-2); }
.proc li:not(:last-child)::after{
  content:''; position:absolute; right:-1px; top:50%; z-index:2;
  width:9px; height:9px; border-top:1px solid var(--red); border-right:1px solid var(--red);
  transform:translateY(-50%) rotate(45deg); background:var(--bg-1);
}
.proc__n{
  display:block; font-size:32px; font-weight:900; line-height:1;
  color:transparent; -webkit-text-stroke:1px rgba(230,0,18,.72);
  margin-bottom:20px; letter-spacing:.02em;
}
.proc li b{ display:block; font-size:16.5px; font-weight:700; margin-bottom:10px; }
.proc li p{ font-size:13.5px; color:var(--txt-3); line-height:1.8; }

/* ---------- 9. 联系 ---------- */
.contact{ background:var(--bg-1); }
.ct{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:64px; align-items:start; }

.ct__info{ display:flex; flex-direction:column; gap:2px; background:var(--line); border:1px solid var(--line); }
.ct__item{
  background:var(--bg-2); padding:26px 28px; display:flex; gap:18px; align-items:flex-start;
  transition:background .4s var(--ease);
}
.ct__item:hover{ background:var(--bg-3); }
.ct__ico{
  width:42px; height:42px; flex:none; border-radius:2px;
  border:1px solid rgba(230,0,18,.34); background:rgba(230,0,18,.08);
  display:flex; align-items:center; justify-content:center; color:var(--red);
}
.ct__item h4{ font-size:14px; font-weight:700; margin-bottom:7px; letter-spacing:.04em; }
.ct__item p{ font-size:14.5px; color:var(--txt-2); line-height:1.75; }
.ct__item small{ font-size:12.5px; color:var(--txt-3); }

.ct__form{
  background:var(--bg-2); border:1px solid var(--line);
  padding:36px 34px 30px;
  display:grid; grid-template-columns:1fr 1fr; gap:18px;
}
.field{ display:flex; flex-direction:column; gap:8px; }
.field--full{ grid-column:1 / -1; }
.field label{ font-size:12.5px; color:var(--txt-3); letter-spacing:.06em; }
.field input,
.field select,
.field textarea{
  width:100%; background:var(--bg); border:1px solid var(--line);
  color:var(--txt); font-family:inherit; font-size:14.5px;
  padding:12px 14px; border-radius:2px; outline:none;
  transition:border-color .3s var(--ease), background .3s var(--ease);
}
.field textarea{ resize:vertical; line-height:1.7; }
.field input::placeholder,
.field textarea::placeholder{ color:#5A5A66; }
.field input:focus,
.field select:focus,
.field textarea:focus{ border-color:var(--red); background:#0A0A0D; }
.field select{
  appearance:none; cursor:pointer;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' fill='none' stroke='%237E7E8C' stroke-width='1.5'/></svg>");
  background-repeat:no-repeat; background-position:right 14px center;
  padding-right:36px;
}
.field.is-err input,
.field.is-err select{ border-color:var(--red); }
.ct__form .btn--block{ grid-column:1 / -1; margin-top:6px; }
.ct__note{
  grid-column:1 / -1; font-size:12.5px; color:var(--txt-3);
  text-align:center; line-height:1.7; margin-top:2px;
}
.form-ok{
  grid-column:1 / -1; text-align:center; color:var(--red);
  font-size:14px; font-weight:600; padding:14px;
  border:1px dashed rgba(230,0,18,.45); background:rgba(230,0,18,.06);
}

/* ---------- 10. 页脚 ---------- */
.footer{
  background:var(--bg); border-top:1px solid var(--line);
  padding:56px 0 44px;
}
.footer__inner{ display:flex; flex-direction:column; align-items:center; gap:26px; text-align:center; }
.footer__brand b{ display:block; font-size:17px; font-weight:800; letter-spacing:.06em; margin-bottom:8px; }
.footer__brand span{ font-size:12.5px; color:var(--txt-3); letter-spacing:.04em; }
.footer__links{ display:flex; flex-wrap:wrap; justify-content:center; gap:26px; }
.footer__links a{ font-size:14px; color:var(--txt-2); transition:color .3s var(--ease); }
.footer__links a:hover{ color:var(--red); }
.footer__copy{
  font-size:12.5px; color:var(--txt-3);
  padding-top:22px; border-top:1px solid var(--line); width:100%;
}

/* ---------- 11. 灯箱 ---------- */
.lb{
  position:fixed; inset:0; z-index:200;
  background:rgba(4,4,6,.96);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  padding:60px 72px; animation:lbIn .3s var(--ease);
}
.lb[hidden]{ display:none; }
@keyframes lbIn{ from{ opacity:0; } to{ opacity:1; } }

.lb__box{ margin:0; max-width:1100px; width:100%; }
.lb__box img{
  width:100%; max-height:70vh; object-fit:contain;
  border:1px solid var(--line); background:var(--bg-2);
}
.lb__box figcaption{ padding-top:22px; display:flex; flex-direction:column; gap:9px; }
.lb__cat{
  align-self:flex-start; font-size:11px; font-weight:700; letter-spacing:.06em;
  background:var(--red); color:#fff; padding:4px 10px; border-radius:2px;
}
.lb__box b{ font-size:clamp(18px,2.4vw,24px); font-weight:700; }
.lb__box em{ font-style:normal; font-size:13.5px; color:var(--txt-3); line-height:1.8; }

.lb__close{
  position:absolute; right:24px; top:20px;
  width:46px; height:46px; font-size:30px; line-height:1;
  color:var(--txt-2); border:1px solid var(--line); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  transition:.3s var(--ease);
}
.lb__close:hover{ color:#fff; border-color:var(--red); background:var(--red); }

.lb__nav{
  position:absolute; top:50%; transform:translateY(-50%);
  width:52px; height:52px; font-size:30px; line-height:1;
  color:var(--txt-2); border:1px solid var(--line); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  transition:.3s var(--ease);
}
.lb__nav:hover{ color:#fff; border-color:var(--red); background:var(--red); }
.lb__nav--prev{ left:24px; }
.lb__nav--next{ right:24px; }

/* ==========================================================================
   12. 响应式
   ========================================================================== */
@media (max-width:1180px){
  .wrap,.nav__inner,.hero__content{ padding:0 26px; }
  .about__grid{ gap:48px; }
  .svc{ padding:38px 28px 34px; }
  .cases__grid{ gap:20px; }
}

@media (max-width:960px){
  .section{ padding:88px 0; }

  /* 汉堡菜单 */
  .nav__toggle{ display:block; }
  .nav__menu{
    position:fixed; left:0; right:0; top:var(--nav-h);
    flex-direction:column; align-items:stretch; gap:0;
    background:rgba(8,8,10,.98);
    backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
    padding:10px 26px 22px;
    transform:translateY(-14px); opacity:0; visibility:hidden;
    transition:.35s var(--ease);
  }
  .nav.is-open .nav__menu{ transform:none; opacity:1; visibility:visible; }
  .nav__link{
    padding:15px 0; font-size:16px; border-bottom:1px solid var(--line);
  }
  .nav__link::after{ display:none; }
  .nav__link--cta{
    margin:14px 0 0; padding:14px; text-align:center; border:1px solid var(--red);
    color:var(--red);
  }
  .nav__link--cta:hover{ background:var(--red); color:#fff; }

  .about__grid{ grid-template-columns:1fr; gap:44px; }
  .about__media img{ aspect-ratio:16/10; }

  .svc-grid{ grid-template-columns:1fr 1fr; }
  .cases__grid{ grid-template-columns:1fr 1fr; }

  .proc{ grid-template-columns:1fr 1fr; }
  .proc li:not(:last-child)::after{ display:none; }

  .ct{ grid-template-columns:1fr; gap:40px; }

  .hero__stats{ grid-template-columns:repeat(2,1fr); }
  .stat{ padding:20px 26px; }
  .stat:nth-child(3){ border-left:0; }
  .stat:nth-child(-n+2){ border-bottom:1px solid var(--line); }
  .hero__scroll{ display:none; }

  .lb{ padding:80px 20px 40px; }
  .lb__nav{ top:auto; bottom:18px; transform:none; }
  .lb__nav--prev{ left:calc(50% - 62px); }
  .lb__nav--next{ right:calc(50% - 62px); }
}

@media (max-width:720px){
  .section{ padding:72px 0; }
  .sec-head{ margin-bottom:44px; }
  .h2{ font-size:clamp(24px,6.4vw,32px); }

  .svc-grid{ grid-template-columns:1fr; }
  .cases__grid{ grid-template-columns:1fr; gap:18px; }
  .proc{ grid-template-columns:1fr; }
  .about__list{ grid-template-columns:1fr; }

  .ct__form{ grid-template-columns:1fr; padding:28px 22px 24px; }
  .field--full{ grid-column:auto; }

  .hero{ min-height:92svh; }
  .hero__desc{ margin-bottom:32px; }
  .hero__actions .btn{ height:48px; padding:0 24px; font-size:14.5px; }

  .cases__filter{
    gap:8px; margin-bottom:32px; padding-bottom:24px;
    flex-wrap:nowrap; overflow-x:auto;
    -webkit-overflow-scrolling:touch; scrollbar-width:none;
  }
  .cases__filter::-webkit-scrollbar{ display:none; }
  .chip{ flex:none; height:38px; padding:0 16px; font-size:13.5px; }
}

@media (max-width:520px){
  .wrap,.nav__inner,.hero__content{ padding:0 18px; }
  .hero__stats{ grid-template-columns:1fr 1fr; }
  .stat{ padding:16px 18px; }
  .stat b{ font-size:24px; }
  .stat em{ font-size:11px; letter-spacing:.08em; }
  .about__badge{ padding:12px 18px; }
  .about__badge b{ font-size:15px; }
  .footer__links{ gap:18px; }
  .footer__links a{ font-size:13px; }
  .lb__box img{ max-height:56vh; }
}

/* ============================================================
   表单：蜜罐字段 + 提交状态（接入后端后新增）
   ============================================================ */

/* 蜜罐：真人看不到，机器人会填 —— 后端据此静默丢弃垃圾提交 */
.hp{
  position:absolute!important; left:-9999px;
  width:1px; height:1px; overflow:hidden; opacity:0; pointer-events:none;
}

/* 表单底部提示语的三种状态 */
.ct__note{ transition:color .25s var(--ease); }
.ct__note.is-ok{ color:#5FD99C; }
.ct__note.is-err{ color:#FF8B96; }

.form-ok{
  margin:0 0 12px; font-size:13.5px; color:#5FD99C;
  display:flex; align-items:center; gap:6px;
}