@charset "UTF-8";
/* =============================================================================
   觉厉智能科技（苏州）有限公司 · index.html 样式表
   设计令牌对齐 Anthropic 的暖米色编辑式系统
   -----------------------------------------------------------------------------
   01 设计令牌         02 基础重置与通用排版    03 按钮
   04 顶栏             05 Hero                   06 通用分区
   07 最新动态         08 深色理念带             09 能力卡片
   10 做法四步         11 结尾行动区             12 页脚
   13 工具类           14 响应式与滚动渐显
   ============================================================================= */

/* ===== 01 设计令牌 ======================================================== */
*,*::before,*::after{box-sizing:border-box;}
:root{
  --ivory:#F0EEE6;        /* 主背景：暖米色，不是纯白 */
  --ivory-hi:#FAF9F5;     /* 卡面提亮 */
  --ivory-lo:#E8E5DB;     /* 次级分区底 */
  --ink:#191919;          /* 主文字：暖黑 */
  --ink-2:#3D3D3A;        /* 次级文字 */
  --ink-3:#6E6C66;        /* 三级文字 / 标签 */
  --line:rgba(25,25,25,.10);
  --line-2:rgba(25,25,25,.18);
  --clay:#CC785C;         /* 品牌陶土色 */
  --clay-deep:#A8502C;
  --night:#151513;
  --sky:#C9DCEB;
  --moss:#CFDEC7;
  --manilla:#E8DFC9;
  --lilac:#DCD3EB;
  --blush:#F0D6CA;
  --serif:"Source Serif 4","Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif;
  --sans:"Inter","Noto Sans SC",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --max:1240px;
  --pad:clamp(20px,4.2vw,44px);
  --r-s:10px;
  --r-m:18px;
  --r-l:24px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ===== 02 基础重置与通用排版 ============================================== */
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:92px;
}
body{
  margin:0;
  background:var(--ivory);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  font-size:16px;
  line-height:1.65;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
/* 极细纸张颗粒，让米色底不显得「塑料」 */
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:9999;
  pointer-events:none;
  opacity:.028;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
::selection{background:var(--clay);color:#fff;}

h1,h2,h3,h4{font-family:var(--serif);font-weight:400;letter-spacing:-.015em;}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad);}

/* 小标签：中文用疏排字距模拟 Anthropic 的 caps label */
.label{
  font-family:var(--sans);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.2em;
  color:var(--ink-3);
  margin:0 0 18px;
}
.mark{width:20px;height:20px;color:var(--clay);flex:none;}

/* ===== 03 按钮 ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  letter-spacing:.015em;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .25s,color .25s,border-color .25s,transform .25s;
}
.btn .arr{display:inline-block;transition:transform .3s var(--ease);}
.btn:hover .arr{transform:translateX(4px);}
.btn-dark{background:var(--ink);color:var(--ivory);}
.btn-dark:hover{background:#000;}
.btn-ghost{border-color:var(--line-2);color:var(--ink);}
.btn-ghost:hover{background:var(--ivory-hi);border-color:var(--ink);}
.btn-light{background:var(--ivory-hi);color:var(--ink);}
.btn-light:hover{background:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ===== 04 顶栏 ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(240,238,230,.78);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;
  transition:background-color .3s,border-color .3s;
}
.site-header.is-scrolled{
  background:rgba(240,238,230,.92);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;gap:38px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-name{font-family:var(--serif);font-size:18px;font-weight:500;letter-spacing:.01em;}
.nav-links{display:flex;gap:30px;font-size:14.5px;color:var(--ink-2);}
.nav-links a{position:relative;padding:6px 0;transition:color .22s;}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .32s var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.menu-btn{
  display:none;
  width:42px;height:42px;
  border-radius:999px;
  border:1px solid var(--line-2);
  align-items:center;justify-content:center;
}
.menu-bar{display:block;width:16px;height:1.5px;background:var(--ink);position:relative;transition:transform .25s;}
.menu-bar::before,.menu-bar::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);
  transition:transform .25s,opacity .25s;
}
.menu-bar::before{top:-5px;}
.menu-bar::after{top:5px;}
.site-header.open .menu-bar{transform:rotate(45deg);}
.site-header.open .menu-bar::before{transform:translateY(5px) rotate(-90deg);}
.site-header.open .menu-bar::after{transform:translateY(-5px) rotate(-90deg);opacity:0;}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:6px 0 18px;}
.mobile-menu a{display:block;padding:15px 0;font-size:17px;border-bottom:1px solid var(--line);}
.mobile-menu a:last-child{border-bottom:0;}
.site-header.open .mobile-menu{display:block;}

/* ===== 05 Hero ============================================================ */
.hero{padding:clamp(56px,9vw,118px) 0 0;text-align:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--ink-3);
  margin:0 0 28px;
}
.hero-eyebrow .mark{width:14px;height:14px;}
.hero h1{
  margin:0 auto;
  max-width:14em;
  font-size:clamp(29px,4.4vw,52px);
  line-height:1.05;
  letter-spacing:-.028em;
}
.hero .lead{
  margin:28px auto 0;
  max-width:22em;
  font-size:clamp(16.5px,1.5vw,19px);
  line-height:1.75;
  color:var(--ink-2);
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:36px;}

.hero-media-wrap{margin-top:clamp(44px,6vw,76px);}
.hero-media{
  position:relative;
  width:100%;
  margin:0;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:clamp(320px,42vw,520px);
  padding:clamp(28px,5vw,64px) 24px;
  border-radius:var(--r-l);
  overflow:hidden;
  background:#0B0E14;
  text-align:center;
}
.hero-media img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  object-position:center 52%;
  transform:scale(1.02);
  transform-origin:center 52%;
  will-change:transform;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 72% 62% at 50% 50%, rgba(8,10,16,.46), rgba(8,10,16,0) 74%),
    linear-gradient(180deg,rgba(8,10,16,.44) 0%,rgba(8,10,16,.18) 45%,rgba(8,10,16,.52) 100%);
  pointer-events:none;
}
/* 横幅上的文案层 */
.hero-overlay{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  color:#F5F1E8;
}
.hero-overlay h2{
  margin:0;
  max-width:20em;
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(23px,3.4vw,42px);
  line-height:1.12;
  letter-spacing:-.026em;
  color:#F8F5ED;
}
.hero-overlay p{
  margin:20px 0 0;
  max-width:30em;
  font-size:clamp(14.5px,1.25vw,17px);
  line-height:1.75;
  color:rgba(245,241,232,.82);
}
.hero-overlay .btn{margin-top:30px;}

/* ===== 06 通用分区 ======================================================== */
.sec{padding:clamp(72px,9vw,130px) 0;}
.sec-flush-top{padding-top:0;}
.sec-head{margin-bottom:clamp(34px,4vw,56px);}
.sec-head h2{
  margin:0;
  max-width:18em;
  font-size:clamp(25px,3.2vw,40px);
  line-height:1.1;
  letter-spacing:-.024em;
}
.sec-sub{margin:18px 0 0;max-width:34em;font-size:17px;color:var(--ink-2);}

/* ===== 07 最新动态（横向卡片轨道） ======================================== */
.carousel{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(276px,1fr);
  gap:20px;
  list-style:none;
  margin:0 calc(-1 * var(--pad));
  padding:4px var(--pad) 10px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  overscroll-behavior-x:contain;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.carousel::-webkit-scrollbar{display:none;}
.carousel > li{scroll-snap-align:start;display:flex;}
@media(min-width:1024px){
  .carousel{grid-auto-columns:calc((100% - 40px) / 3);}
}

.rel-card{
  flex:1;
  display:flex;flex-direction:column;
  background:var(--ivory-hi);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  transition:transform .42s var(--ease),box-shadow .42s,border-color .3s;
}
.rel-card:hover{
  transform:translateY(-5px);
  box-shadow:0 24px 46px -32px rgba(25,25,25,.5);
  border-color:var(--line-2);
}
.rel-thumb{
  position:relative;
  aspect-ratio:16/9;
  display:flex;align-items:center;justify-content:center;
}
.rel-thumb .mark{width:32px;height:32px;color:rgba(25,25,25,.42);}
.g1{background:linear-gradient(148deg,#D2E2F0,#EDF3F8);}
.g2{background:linear-gradient(148deg,#D5E4CD,#EFF5EC);}
.g3{background:linear-gradient(148deg,#E9DFC6,#F7F2E6);}
.g4{background:linear-gradient(148deg,#DED5EC,#F2EEF8);}
.g5{background:linear-gradient(148deg,#F1D8CC,#FBF1EC);}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.rel-tag{margin:0 0 12px;font-size:12px;letter-spacing:.14em;color:var(--ink-3);}
.rel-body h3{margin:0 0 6px;font-size:19px;line-height:1.35;}
.rel-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  margin-top:auto;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.rel-foot .arr{transition:transform .3s var(--ease);}
.rel-card:hover .rel-foot .arr{transform:translateX(4px);}

/* ===== 08 深色理念带 ====================================================== */
.ethos{
  position:relative;
  overflow:hidden;
  background:var(--night);
  color:#EFEDE6;
  padding:clamp(84px,11vw,152px) 0;
}
.ethos-glow{
  position:absolute;right:-170px;top:-140px;
  width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(204,120,92,.36),transparent 62%);
  pointer-events:none;
}
.ethos .wrap{position:relative;}
.ethos .mark{width:30px;height:30px;margin-bottom:28px;}
.ethos .label{color:rgba(239,237,230,.5);margin-bottom:22px;}
.ethos-quote{
  margin:0;
  max-width:13em;
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(23px,3.2vw,38px);
  line-height:1.3;
  letter-spacing:-.022em;
}
.ethos-note{margin:30px 0 0;font-size:14.5px;letter-spacing:.06em;color:rgba(239,237,230,.52);}

/* ===== 09 能力卡片 ======================================================== */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.pcard{
  display:flex;flex-direction:column;
  min-height:352px;
  padding:28px 28px 32px;
  border-radius:22px;
  border:1px solid rgba(25,25,25,.07);
  transition:transform .42s var(--ease),box-shadow .42s;
}
.pcard:hover{transform:translateY(-5px);box-shadow:0 26px 50px -34px rgba(25,25,25,.55);}
.pcard .p-art{width:34px;height:34px;color:rgba(25,25,25,.72);margin-bottom:auto;}
.pcard .p-tag{margin:26px 0 0;font-size:12px;letter-spacing:.16em;color:rgba(25,25,25,.5);}
.pcard h3{margin:12px 0;font-size:clamp(20px,1.8vw,23px);line-height:1.26;}
.pcard p{margin:0 0 24px;font-size:15px;line-height:1.72;color:rgba(25,25,25,.68);}
.p-link{display:inline-flex;align-items:center;gap:.4em;font-size:14.5px;font-weight:500;}
.p-link .arr{transition:transform .3s var(--ease);}
.pcard:hover .p-link .arr{transform:translateX(4px);}
@media(max-width:960px){.cards-3{grid-template-columns:1fr;}}

/* ===== 10 做法四步 ======================================================== */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin:0;
  padding:0;
  list-style:none;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
}
.step{background:var(--ivory-lo);padding:34px 28px 38px;}
.step .num{display:block;font-family:var(--serif);font-size:14px;color:var(--ink-3);letter-spacing:.06em;}
.step h3{margin:16px 0 10px;font-size:18px;font-weight:500;letter-spacing:-.012em;}
.step p{margin:0;font-size:14px;line-height:1.72;color:var(--ink-2);}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.steps{grid-template-columns:1fr;}}

/* ===== 11 结尾行动区 ====================================================== */
.cta{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-l);
  background:var(--night);
  color:#EFEDE6;
  text-align:center;
  padding:clamp(48px,7vw,88px) clamp(26px,5vw,64px);
}
.cta-glow{
  position:absolute;left:50%;bottom:-260px;transform:translateX(-50%);
  width:760px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(204,120,92,.3),transparent 64%);
  pointer-events:none;
}
.cta > *{position:relative;}
.cta h2{margin:0 auto;max-width:16em;font-size:clamp(24px,3.4vw,40px);line-height:1.14;letter-spacing:-.024em;}
.cta p{margin:20px auto 0;max-width:26em;font-size:16.5px;line-height:1.72;color:rgba(239,237,230,.72);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:34px;}
.btn-onDark{border-color:rgba(239,237,230,.32);color:#EFEDE6;}
.btn-onDark:hover{background:rgba(239,237,230,.1);border-color:#EFEDE6;}

/* ===== 12 页脚 ============================================================ */
.site-footer{border-top:1px solid var(--line);padding:clamp(48px,6vw,80px) 0 32px;font-size:14px;color:var(--ink-2);}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:48px;flex-wrap:wrap;}
.foot-brand{max-width:16em;}
.foot-brand .brand-name{font-size:19px;}
.foot-brand p{margin:14px 0 0;font-size:14px;line-height:1.72;color:var(--ink-3);}
.foot-cols{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr));gap:40px;}
.foot-col-title{margin:0 0 16px;font-family:var(--sans);font-size:12.5px;font-weight:500;letter-spacing:.14em;color:var(--ink-3);}
.foot-col a{display:block;padding:6px 0;transition:color .2s;}
.foot-col a:hover{color:var(--ink);}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:clamp(40px,5vw,64px);padding-top:24px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.foot-bottom a{transition:color .2s;}
.foot-bottom a:hover{color:var(--ink);}

/* ===== 13 工具类 ========================================================== */
/* 图标精灵：定义一次，用 <use> 复用，不参与渲染 */
.svg-sprite{display:none;}
/* 仅供屏幕阅读器 */
.sr-only{
  position:absolute;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  white-space:nowrap;
  border:0;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
}
/* 键盘用户可见的跳转链接 */
.skip-link{
  position:fixed;
  top:12px;left:12px;
  z-index:100;
  padding:10px 18px;
  border-radius:999px;
  background:var(--ink);
  color:var(--ivory);
  font-size:14px;
  font-weight:500;
  transform:translateY(-200%);
  transition:transform .25s var(--ease);
}
.skip-link:focus-visible{transform:none;}

/* ===== 14 响应式与滚动渐显 ================================================ */
@media(max-width:880px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .nav{gap:16px;}
}
@media(max-width:420px){
  .nav .btn-sm{display:none;}
}
@media(max-width:760px){
  .foot-cols{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:480px){
  .foot-cols{grid-template-columns:1fr;}
}

.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .75s ease,transform .75s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-media img{transform:none !important;transition:none !important;}
}