/* ==========================================================================
   万物绿洲 OasisWKS · home-v2.css
   新版顶部导航 / 头图 Hero / 案例跑马灯 样式
   来源：设计稿 OasisWKS-About-Preview(6) 抽取，仅保留本站用到的规则
   依赖：oasis.css（站点基础样式，需先加载）
   ========================================================================== */

/* Font Awesome 6 Free (Solid) 子集 —— 仅抽取本站用到的图标, 字体与设计稿同源 */
@font-face{font-family:"Font Awesome 6 Free";font-style:normal;font-weight:900;font-display:block;
src:url("../fonts/fa-solid-900.woff2") format("woff2");}
.fa,.fas,.fa-solid{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;
display:var(--fa-display,inline-block);font-family:"Font Awesome 6 Free";font-style:normal;
font-variant:normal;font-weight:900;line-height:1;text-rendering:auto;}
.fa-globe:before{content:"\f0ac"}
.fa-arrow-right:before{content:"\f061"}
.fa-bars:before{content:"\f0c9"}
.fa-plus:before{content:"\2b"}
.fa-arrow-up-right-from-square:before{content:"\f08e"}
.fa-arrow-down:before{content:"\f063"}
.fa-pause:before{content:"\f04c"}
.fa-play:before{content:"\f04b"}
.fa-times:before{content:"\f00d"}


:root{
  --primary: #00979e;
  --primary-dark: #1D4ED8;
  --primary-darker: #1E3A5F;
  --primary-light: #60A5FA;
  --primary-lighter: #BFDBFE;
  --primary-bg: #EFF6FF;
  --accent: #00b09f;
  --accent-light: #A78BFA;
  --dark: #0B1120;
  --dark2: #0F172A;
  --dark3: #1E293B;
  --dark4: #334155;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --white: #FFFFFF;
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 10px 15px rgba(0,0,0,0.03);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.06), 0 20px 40px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 30px rgba(59,130,246,0.15);
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-cn: "PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
  --font-en: "Inter","SF Pro Display",-apple-system,sans-serif;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.5s cubic-bezier(0.4,0,0.2,1);
}
.container{ max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow{ max-width: 900px; margin: 0 auto; padding: 0 24px; }
.container-wide{ max-width: 1400px; margin: 0 auto; padding: 0 24px; }
.site-header{
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
}
.site-header.scrolled{
  background: rgba(255,255,255,0.98);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
}
.header-inner{
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo{
  display: flex; align-items: center; gap: 12px;
  font-size: 20px; font-weight: 700; color: var(--dark);
}
.logo-icon{
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 16px;
}
.logo .brand-name{ font-size: 17px; letter-spacing: -0.3px; color: var(--dark); }
.logo .brand-sub{ font-size: 10px; color: var(--gray-400); font-weight: 400; letter-spacing: 1px; margin-top: -1px; }
.main-nav{ display: flex; align-items: center; }
.main-nav > ul{ display: flex; align-items: center; gap: 2px; }
.main-nav > ul > li > a{
  display: block; padding: 8px 18px;
  color: var(--gray-600); font-size: 14px; font-weight: 500;
  border-radius: var(--radius-sm); transition: var(--transition);
  position: relative;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li.active > a{ color: var(--dark); background: rgba(0,0,0,0.04); }
.main-nav > ul > li.active > a::after{
  content: ''; position: absolute; bottom: 2px; left: 18px; right: 18px;
  height: 2px; background: var(--primary); border-radius: 1px;
}
.main-nav .has-sub{ position: relative; }
/* 下拉父项：行内 flex 让文字与指示箭头对齐 */
.main-nav .has-sub > a{ display: inline-flex; align-items: center; gap: 6px; }
/* 展开指示箭头（纯 CSS 绘制，不额外引图标） */
.main-nav .has-sub > a::after{
  content: ''; width: 5px; height: 5px; flex: 0 0 auto;
  border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
}
.main-nav .has-sub:hover > a::after,
.main-nav .has-sub.open > a::after{ transform: translateY(0) rotate(225deg); }
/* 透明桥接层：填平父项与面板之间的空隙，鼠标下移时 hover 不断档（原 margin 空隙导致菜单闪退、选不中） */
.main-nav .has-sub::after{
  content: ''; position: absolute; left: -10px; right: -10px; top: 100%; height: 18px;
}
.main-nav .sub-menu{
  display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  min-width: 200px; background: #fff; z-index: 30;
  border-radius: var(--radius-md); padding: 8px; margin-top: 12px;
  border: 1px solid rgba(0,0,0,0.06); box-shadow: 0 10px 40px rgba(0,0,0,0.12);
}
.main-nav .has-sub:hover > .sub-menu,
.main-nav .has-sub.open > .sub-menu{ display: block; animation: fadeInUp 0.2s ease; }
.main-nav .sub-menu li a{
  display: block; padding: 10px 16px; color: var(--gray-600);
  font-size: 13px; border-radius: var(--radius-sm); white-space: nowrap;
}
.main-nav .sub-menu li a:hover,
.main-nav .sub-menu li a:focus-visible{ color: var(--dark); background: var(--gray-100); }
.main-nav .sub-menu li a.is-current{ color: var(--dark); background: var(--gray-100); font-weight: 600; }
.header-actions{ display: flex; align-items: center; gap: 12px; }
.lang-switch{
  color: var(--gray-500); font-size: 13px; padding: 6px 12px;
  border-radius: var(--radius-sm); transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.lang-switch:hover{ color: var(--dark); background: var(--gray-100); }
.mobile-toggle{
  display: none; background: none; border: none;
  color: var(--dark); font-size: 22px; cursor: pointer; padding: 8px;
}
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; border-radius: var(--radius-sm);
  transition: var(--transition); cursor: pointer; border: none; font-family: inherit;
  white-space: nowrap;
}
.btn-xs{ padding: 5px 12px; font-size: 12px; }
.btn-sm{ padding: 8px 20px; font-size: 13px; }
.btn-md{ padding: 12px 28px; font-size: 15px; }
.btn-lg{ padding: 14px 36px; font-size: 16px; border-radius: var(--radius-md); }
.btn-xl{ padding: 18px 48px; font-size: 17px; border-radius: var(--radius-md); }
.btn-primary{
  /*background: linear-gradient(135deg, var(--primary), #2563EB);*/
  background: #00afa3;
  color: #fff; box-shadow: 0 4px 16px rgba(59,130,246,0.3);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59,130,246,0.4); }
.btn-outline{
  background: transparent; color: rgba(255,255,255,0.8);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-outline:hover{ border-color: var(--primary); color: #fff; background: rgba(59,130,246,0.1); }
.btn-outline-dark{
  background: transparent; color: var(--gray-600);
  border: 1.5px solid var(--gray-300);
}
.btn-outline-dark:hover{ border-color: var(--primary); color: var(--primary); background: var(--primary-bg); }
.btn-ghost{
  background: transparent; color: var(--primary);
  padding: 8px 0; border-radius: 0;
}
.btn-ghost:hover{ gap: 14px; }
.btn-white{
  background: #fff; color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.btn-white:hover{ transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.15); }
.hero-centered .hero-actions .btn{ font-size: 16px; padding: 16px 36px; }
.hero-centered .hero-actions .btn-outline{ border-color: var(--gray-300); color: var(--gray-600); }
.hero-centered .hero-actions .btn-outline:hover{ border-color: var(--primary); color: var(--primary); background: var(--primary-bg); }
.client-track .logo-item{
  height: 48px; display: inline-flex; align-items: center; padding: 0 32px;
  font-weight: 600; font-size: 13px; color: var(--gray-400);
  background: #fff; border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200); white-space: nowrap; transition: var(--transition);
}
.section-dark .client-track .logo-item{
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.4);
}
.client-track .logo-item:hover{
  color: var(--primary); border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.section-dark .client-track .logo-item:hover{
  color: var(--primary-light);
  border-color: var(--primary);
}
.cta-section .container{ position: relative; z-index: 1; }
@keyframes fadeInUp{ from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn{ from{opacity:0} to{opacity:1} }
@media (max-width: 768px){.main-nav{
    display: none; position: fixed; top: 72px; left: 0; right: 0;
    background: #fff; padding: 16px; 
    border-bottom: 1px solid rgba(0,0,0,0.06);
    max-height: calc(100vh - 72px); overflow-y: auto; box-shadow: var(--shadow-lg);
  }.main-nav.active{ display: block; animation: fadeIn 0.2s ease; }.main-nav > ul{ flex-direction: column; gap: 4px; }.main-nav > ul > li > a{ padding: 12px 16px; }.main-nav > ul > li.active > a::after{ display: none; }.main-nav .has-sub.active .sub-menu, .main-nav .has-sub.open .sub-menu{ display: block; }.main-nav .sub-menu{ position: static; display: none; box-shadow: none; background: var(--gray-100); border: none; padding: 4px; margin-top: 4px; border-radius: var(--radius-sm); }.main-nav .sub-menu li a{ color: var(--gray-500); }.main-nav .sub-menu li a:hover{ color: var(--dark); background: var(--gray-200); }.mobile-toggle{ display: block; }.header-actions .btn:not(.lang-switch){ display: none; }}
@media (max-width: 480px){.container{ padding: 0 16px; }}
.cta-section .container{ position: relative; z-index: 1; }
@keyframes fadeInUp{ from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn{ from{opacity:0} to{opacity:1} }
.oasis-about-page{
  --oasis-about-mist: #f6f8f3;
  --oasis-about-white: #ffffff;
  --oasis-about-ink: #10211e;
  --oasis-about-deep: #0b3d2e;
  --oasis-about-deep-2: #082f25;
  --oasis-about-teal: #18b79a;
  --oasis-about-lake: #2c78a3;
  --oasis-about-lake-soft: #a9d9e1;
  --oasis-about-blue: #6f8dff;
  --oasis-about-coral: #f05f4a;
  --oasis-about-line: rgba(16, 33, 30, 0.1);
  --oasis-about-muted: rgba(16, 33, 30, 0.64);
  --oasis-about-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --oasis-about-shadow: 0 26px 70px rgba(30, 73, 63, 0.1);
  color: var(--oasis-about-ink);
  background: var(--oasis-about-white);
  font-family: var(--font-cn, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif);
  overflow: clip;
}
.oasis-about-page *,
.oasis-about-page *::before,
.oasis-about-page *::after{
  box-sizing: border-box;
}
.oasis-about-page img{
  width: 100%;
  height: auto;
}
.oasis-about-page button,
.oasis-about-page a{
  -webkit-tap-highlight-color: transparent;
}
.oasis-about-page button:focus-visible,
.oasis-about-page a:focus-visible,
.oasis-about-principle-track:focus-visible{
  outline: 3px solid rgba(24, 183, 154, 0.44);
  outline-offset: 4px;
}
.oasis-about-container{
  width: min(100% - 48px, 1200px);
  margin-inline: auto;
}
.oasis-about-wide{
  width: min(100% - 48px, 1440px);
  margin-inline: auto;
}
.oasis-about-eyebrow{
  margin: 0;
  color: var(--oasis-about-teal);
  font-family: var(--font-en, "Inter", "SF Pro Display", sans-serif);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.oasis-about-eyebrow-light{
  color: rgba(236, 255, 249, 0.67);
}
.oasis-about-button{
  min-height: 52px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  transition: transform 280ms var(--oasis-about-ease), background-color 280ms ease, color 280ms ease, border-color 280ms ease, box-shadow 280ms ease;
}
.oasis-about-button i{
  font-size: 11px;
  transition: transform 280ms var(--oasis-about-ease);
}
.oasis-about-button:hover{
  transform: translateY(-2px);
}
.oasis-about-button:hover i{
  transform: translateX(3px);
}
.oasis-about-button-primary{
  color: #fff;
  background: var(--oasis-about-deep);
  box-shadow: 0 12px 30px rgba(11, 61, 46, 0.17);
}
.oasis-about-button-primary:hover{
  color: #fff;
  background: #062c22;
  box-shadow: 0 16px 34px rgba(11, 61, 46, 0.22);
}
.oasis-about-button-secondary{
  color: var(--oasis-about-ink);
  background: rgba(255, 255, 255, 0.74);
  border-color: rgba(16, 33, 30, 0.15);
}
.oasis-about-button-secondary:hover{
  color: var(--oasis-about-deep);
  border-color: rgba(11, 61, 46, 0.35);
  background: #fff;
}
.oasis-about-hero-art,
.oasis-about-orbit,
.oasis-about-slice,
.oasis-about-activation-dot{
  position: absolute;
}
.oasis-about-orbit{
  border: 1px solid rgba(11, 61, 46, 0.075);
  border-radius: 50%;
}
.oasis-about-orbit-one{
  width: min(48vw, 660px);
  aspect-ratio: 1;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.oasis-about-orbit-two{
  width: min(31vw, 430px);
  aspect-ratio: 1;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.oasis-about-workstream{
  padding: 34px 0 108px;
  background: #fff;
}
.oasis-about-stream-head{
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.oasis-about-stream-toggle{
  min-width: 78px;
  height: 34px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--oasis-about-line);
  border-radius: 999px;
  color: var(--oasis-about-muted);
  background: #fff;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.oasis-about-stream-toggle:hover{
  color: var(--oasis-about-deep);
  border-color: rgba(11, 61, 46, 0.28);
}
.oasis-about-stream-window{
  width: 100%;
  overflow: hidden;
}
.oasis-about-stream-track{
  width: max-content;
  display: flex;
  gap: 16px;
  padding: 20px 0 26px;
  will-change: transform;
  animation: oasisAboutMarquee 42s linear infinite;
}
.oasis-about-stream-track.is-paused,
.oasis-about-stream-window:hover .oasis-about-stream-track{
  animation-play-state: paused;
}
.oasis-about-stream-group{
  display: flex;
  align-items: stretch;
  gap: 16px;
  padding-left: 16px;
}
.oasis-about-stream-card{
  position: relative;
  isolation: isolate;
  flex: 0 0 auto;
  height: 470px;
  overflow: hidden;
  border-radius: 26px;
  color: #fff;
  background: linear-gradient(135deg, var(--oasis-about-deep), var(--oasis-about-lake));
  box-shadow: 0 20px 50px rgba(32, 66, 58, 0.1);
}
.oasis-about-stream-card-tall{ width: 350px; }
.oasis-about-stream-card-wide{ width: 610px; }
.oasis-about-stream-card-square{ width: 470px; }
.oasis-about-stream-card::after{
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(4, 20, 16, 0.78) 100%);
  pointer-events: none;
}
.oasis-about-stream-card img{
  height: 100%;
  object-fit: cover;
  transition: transform 900ms var(--oasis-about-ease);
}
.oasis-about-stream-card:hover img{
  transform: scale(1.015);
}
.oasis-about-stream-caption{
  position: absolute;
  z-index: 2;
  right: 22px;
  bottom: 21px;
  left: 22px;
  display: grid;
  gap: 4px;
}
.oasis-about-stream-caption strong{
  font-size: 16px;
  font-weight: 620;
  letter-spacing: -0.02em;
}
.oasis-about-stream-caption small{
  color: rgba(255, 255, 255, 0.68);
  font-size: 11px;
  letter-spacing: 0.05em;
}
@keyframes oasisAboutMarquee{
  to { transform: translateX(calc(-50% - 8px)); }
}
.oasis-about-project-media.is-image-error img,
.oasis-about-visual-frame.is-image-error img,
.oasis-about-stream-card.is-image-error img{
  opacity: 0;
}
.oasis-about-cta-copy > p:not(.oasis-about-eyebrow){
  margin: 0;
  color: rgba(246, 251, 248, 0.66);
  font-size: 16px;
  line-height: 1.86;
}
.oasis-about-button-light{
  color: var(--oasis-about-deep);
  background: #fff;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}
.oasis-about-button-light:hover{ color: var(--oasis-about-deep); background: #f6fbf8; }
.oasis-about-button-dark-outline{
  color: rgba(255, 255, 255, 0.86);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.035);
}
.oasis-about-button-dark-outline:hover{
  color: #fff;
  border-color: rgba(255, 255, 255, 0.44);
  background: rgba(255, 255, 255, 0.08);
}
.oasis-about-page.oasis-about-enhanced .oasis-about-reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 760ms var(--oasis-about-ease), transform 760ms var(--oasis-about-ease);
}
.oasis-about-page.oasis-about-enhanced .oasis-about-reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 1024px){.oasis-about-stream-card{ height: 400px; }.oasis-about-stream-card-tall{ width: 300px; }.oasis-about-stream-card-wide{ width: 520px; }.oasis-about-stream-card-square{ width: 400px; }}
@media (max-width: 820px){.oasis-about-container,
  .oasis-about-wide{ width: min(100% - 36px, 1200px); }}
@media (max-width: 600px){.oasis-about-container,
  .oasis-about-wide{ width: min(100% - 32px, 1200px); }.oasis-about-eyebrow{ font-size: 9px; letter-spacing: 0.13em; }.oasis-about-button{ width: 100%; min-height: 51px; }.oasis-about-workstream{ padding: 26px 0 78px; }.oasis-about-stream-head{ align-items: flex-start; }.oasis-about-stream-toggle{ min-width: 34px; width: 34px; padding: 0; }.oasis-about-stream-toggle span{ position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }.oasis-about-stream-track{ animation-duration: 28s; }.oasis-about-stream-card{ height: 278px; border-radius: 20px; }.oasis-about-stream-card-tall{ width: 210px; }.oasis-about-stream-card-wide{ width: 360px; }.oasis-about-stream-card-square{ width: 278px; }.oasis-about-stream-caption{ right: 16px; bottom: 15px; left: 16px; }.oasis-about-stream-caption strong{ font-size: 14px; }.oasis-about-cta-copy > p:not(.oasis-about-eyebrow){ font-size: 14px; }}
@media (prefers-reduced-motion: reduce){.oasis-about-page *,
  .oasis-about-page *::before,
  .oasis-about-page *::after{
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }.oasis-about-stream-window{
    overflow-x: auto;
    scrollbar-width: thin;
  }.oasis-about-stream-track{
    transform: none !important;
    animation: none !important;
  }.oasis-about-stream-group[aria-hidden="true"]{ display: none; }.oasis-about-stream-toggle{ display: none; }.oasis-about-page.oasis-about-enhanced .oasis-about-reveal{
    opacity: 1;
    transform: none;
  }}
.oasis-about-page{ padding-top: 72px; }
.oasis-about-page .oasis-hero{
  --oasis-hero-ink: #043338;
  --oasis-hero-left: #b4ccca;
  --oasis-hero-right: #d3e0e0;
  --oasis-hero-x: 0;
  --oasis-hero-y: 0;
  --oasis-branch-angle: 0deg;
  position: relative;
  isolation: isolate;
  display: block;
  height: calc(100svh - 72px);
  min-height: 700px;
  padding: 0;
  overflow: clip;
  color: var(--oasis-hero-ink);
  background: var(--oasis-hero-right);
}
.oasis-about-page .oasis-hero::after{ content: none; }
.oasis-hero::before{ content: ""; position: absolute; inset: 0 50% 0 0; background: var(--oasis-hero-left); }
.oasis-hero-panel{ position: absolute; z-index: 3; inset: 0; overflow: hidden; pointer-events: none; }
.oasis-hero-panel-left{ right: 50%; }
.oasis-hero-panel-right{ left: 50%; }
.oasis-hero-display{
  position: absolute;
  z-index: 3;
  font-family: "Oasis Inter", "Arial Black", sans-serif;
  font-weight: 900;
  font-synthesis: none;
  line-height: .82;
  letter-spacing: -.075em;
  color: #f7faf6;
  pointer-events: none;
  user-select: none;
}
.oasis-hero-oasis{
  top: 12%;
  left: 7.2%;
  font-size: 12.3vw;
  letter-spacing: -.065em;
  transform: scaleX(1.17);
  transform-origin: left center;
  background-image: var(--oasis-hero-image);
  background-color: #f7faf6;
  background-size: 112% auto;
  background-position: 30% 25%;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  filter: url("#oasis-material-colors") contrast(1.08) saturate(1.08);
}
.oasis-hero-wks{
  right: 7.2%;
  bottom: 3.8%;
  font-size: 17.7vw;
}
.oasis-hero-visual{
  position: absolute;
  z-index: auto;
  inset: 0;
  overflow: clip;
  pointer-events: none;
}
.oasis-hero-backdrop{
  position: absolute;
  z-index: 1;
  inset: 0 50% 0 0;
  overflow: clip;
  mix-blend-mode: multiply;
  transform: translate3d(calc(var(--oasis-hero-x) * -9px), calc(var(--oasis-hero-y) * -7px), 0);
  transition: transform 700ms var(--oasis-about-ease);
}
.oasis-hero-backdrop-drift{
  position: absolute;
  inset: -16%;
  background-image: var(--oasis-hero-image);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  filter: url("#oasis-material-colors") blur(28px) saturate(.9) contrast(1.05) brightness(1.1);
  opacity: .16;
}
.oasis-hero-sculpture{
  position: absolute;
  z-index: 2;
  left: 8%;
  top: calc(52% - 28.82vw);
  width: 100%;
  aspect-ratio: 1440 / 830;
  mix-blend-mode: multiply;
  transform: translate3d(calc(var(--oasis-hero-x) * -9px), calc(var(--oasis-hero-y) * -7px), 0);
  transition: transform 700ms var(--oasis-about-ease);
}
.oasis-hero-world{ position: relative; width: 100%; height: 100%; transform: rotate(var(--oasis-branch-angle)); }
.oasis-hero-main, .oasis-hero-echo{ position: absolute; inset: 0; }
.oasis-about-page :is(.oasis-hero-main, .oasis-hero-echo) img{
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: contain;
}
.oasis-hero-main img{ filter: url("#oasis-material-colors") saturate(1.06) contrast(1.02) brightness(1.1); }
.oasis-hero-echo img{ filter: url("#oasis-material-colors"); }
.oasis-hero-echo{ opacity: .16; filter: blur(24px) saturate(1.25) brightness(1.1); transform: translate3d(2%, 4%, 0) scale(1.04); }
.oasis-hero-glass{
  position: absolute;
  z-index: 2;
  inset: 0 50% 0 0;
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  background: rgba(180, 204, 202, .32);
}
.oasis-hero-glass::after{
  content: "";
  position: absolute;
  inset: 32% 0 0;
  background: var(--oasis-hero-left);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #fff 30%);
  mask-image: linear-gradient(to bottom, transparent, #fff 30%);
}
.oasis-hero[data-ready="true"][data-reduced="false"] .oasis-hero-main{ animation: oasisAboutEmberFloat 12s ease-in-out infinite; }
.oasis-hero[data-ready="true"][data-reduced="false"] .oasis-hero-echo{ animation: oasisAboutEmberEcho 15s ease-in-out infinite alternate; }
.oasis-hero[data-ready="true"][data-reduced="false"] .oasis-hero-backdrop-drift{ animation: oasisAboutEmberBlurDrift 16s ease-in-out infinite alternate; }
.oasis-hero[data-ready="true"][data-reduced="false"] .oasis-hero-oasis{ animation: oasisAboutEmberTextDrift 13s ease-in-out infinite alternate; }
.oasis-hero[data-ready="true"][data-reduced="false"] .oasis-hero-orbit{ animation: oasisAboutEmberOrbit 28s linear infinite; }
.oasis-hero[data-ready="true"][data-reduced="false"] .oasis-hero-orbit-two{ animation-duration: 36s; animation-direction: reverse; }
.oasis-hero[data-ready="true"][data-reduced="false"] .oasis-about-page .oasis-hero-orbit-two{ width: 106%; height: 118%; top: -19%; left: -18%; transform: rotate(37deg); }
.oasis-hero-marker{ animation: oasisAboutEmberAccentPulse 5.2s ease-in-out infinite; }
.oasis-about-page .oasis-hero-orbit{
  z-index: 1;
  width: 132%;
  height: 135%;
  top: -46%;
  left: -34%;
  border-color: rgba(255,255,255,.5);
  transform: rotate(-17deg);
}
.oasis-hero-marker{
  position: absolute;
  z-index: 1;
  color: rgba(255,255,255,.8);
  font-size: 15px;
  pointer-events: none;
}
.oasis-hero-marker-one{ top: 12%; left: 86%; }
.oasis-hero-marker-two{ top: 34%; left: 86%; }
.oasis-hero-copy{
  position: absolute;
  z-index: 4;
  left: 3.6%;
  bottom: 19.5%;
  width: 42.8%;
  max-width: 610px;
}
.oasis-hero-eyebrow{
  margin: 0 0 19px;
  font-family: "Oasis Inter", var(--font-cn), sans-serif;
  font-size: 10px;
  font-weight: 650;
  line-height: 1.5;
  letter-spacing: .12em;
}
.oasis-hero-title{
  margin: 0 0 20px;
  color: var(--oasis-hero-ink);
  font-size: clamp(32px, 3vw, 46px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -.045em;
}
.oasis-hero-lead{
  margin: 0;
  color: #244d4f;
  font-size: clamp(13px, 1.05vw, 15px);
  line-height: 1.85;
  letter-spacing: -.015em;
  text-wrap: pretty;
}
.oasis-hero-footer{
  position: absolute;
  z-index: 4;
  left: 3.6%;
  bottom: 5.5%;
  width: 43%;
}
.oasis-hero-actions{ display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.oasis-hero-actions .oasis-about-button{ min-height: 50px; padding-inline: 22px; font-size: 13px; }
.oasis-hero-actions .oasis-about-button-primary{ color: #f7faf6; background: #043338; box-shadow: none; }
.oasis-hero-actions .oasis-about-button-primary:hover{ background: #0b504c; box-shadow: 0 8px 24px rgba(4,51,56,.15); }
.oasis-hero-work-link{ color: #043338; background: transparent; border-color: rgba(4,51,56,.35); }
.oasis-hero-work-link:hover{ color: #043338; background: rgba(247,250,246,.5); border-color: #043338; }
.oasis-hero-actions .oasis-about-button:active{ transform: translateY(1px) scale(.985); box-shadow: none; }
.oasis-hero-actions .oasis-about-button:focus-visible{ outline: 2px solid #043338; outline-offset: 5px; }
.oasis-hero-work-link:hover i{ transform: translateY(3px); }
.oasis-hero-caption{
  margin: 20px 0 0;
  font-family: "Oasis Inter", sans-serif;
  color: #315a5b;
  font-size: 8px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .15em;
}
.oasis-hero-motion{
  position: absolute;
  z-index: 6;
  right: 3.6%;
  bottom: 29%;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(4,51,56,.25);
  border-radius: 50%;
  color: #043338;
  background: rgba(247,250,246,.75);
  font-size: 13px;
  cursor: pointer;
  transition: transform 220ms ease, background-color 220ms ease;
}
.oasis-hero-motion[hidden]{ display: none; }
.oasis-hero-motion:hover{ background: #f7faf6; transform: scale(1.06); }
.oasis-hero-motion:active{ transform: scale(.94); }
.oasis-about-page .oasis-hero-motion:focus-visible{ outline: 2px solid #043338; outline-offset: 5px; }
.oasis-hero[data-still="true"] :is(.oasis-hero-main, .oasis-hero-echo, .oasis-hero-backdrop-drift, .oasis-hero-oasis, .oasis-hero-orbit, .oasis-hero-marker){ animation-play-state: paused !important; }
.oasis-hero[data-still="true"] :is(.oasis-hero-sculpture, .oasis-hero-backdrop){ transform: none; }
.oasis-hero[data-still="false"] :is(.oasis-hero-main, .oasis-hero-echo, .oasis-hero-backdrop-drift, .oasis-hero-orbit, .oasis-hero-marker){ will-change: transform, opacity; }
.oasis-hero[data-enhanced="true"] :is(.oasis-hero-panel-left, .oasis-hero-copy, .oasis-hero-footer, .oasis-hero-sculpture, .oasis-hero-wks){
  opacity: 0;
  translate: 0 22px;
  transition: opacity 900ms var(--oasis-about-ease), translate 1100ms var(--oasis-about-ease), transform 700ms var(--oasis-about-ease);
}
.oasis-hero[data-enhanced="true"][data-ready="true"] :is(.oasis-hero-panel-left, .oasis-hero-copy, .oasis-hero-footer, .oasis-hero-sculpture, .oasis-hero-wks){ opacity: 1; translate: 0 0; }
.oasis-hero[data-enhanced="true"] .oasis-hero-panel-left{ transition-delay: 100ms; }
.oasis-hero[data-enhanced="true"] .oasis-hero-sculpture{ transition-delay: 160ms; }
.oasis-hero[data-enhanced="true"] .oasis-hero-copy{ transition-delay: 240ms; }
.oasis-hero[data-enhanced="true"] .oasis-hero-wks{ transition-delay: 300ms; }
.oasis-hero[data-enhanced="true"] .oasis-hero-footer{ transition-delay: 360ms; }
.oasis-hero-skip{
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 1100;
  padding: 12px 18px;
  color: #f7faf6;
  background: #043338;
  transform: translateY(-160%);
}
.oasis-hero-skip:focus{ transform: none; outline: 2px solid #18b79a; outline-offset: 3px; }
.site-header :is(a,button):focus-visible{ outline: 2px solid #043338; outline-offset: 3px; }
.site-header .btn-primary{ background: #0b3d2e; box-shadow: none; }
.site-header .btn-primary:hover{ background: #043338; box-shadow: none; }
.site-header .brand-sub{ color: #536660; }
.site-header .mobile-toggle{ min-width: 44px; min-height: 44px; }
@keyframes oasisAboutEmberBlurDrift{
  0% { transform: translate3d(-2%, -1%, 0) scale(1.18) rotate(-0.2deg); }
  50% { transform: translate3d(2.4%, 1.5%, 0) scale(1.25) rotate(0.3deg); }
  100% { transform: translate3d(-1%, 2.5%, 0) scale(1.2) rotate(-0.1deg); }
}
@keyframes oasisAboutEmberTextDrift{
  0% { background-position: 30% 48%; }
  100% { background-position: 68% 54%; }
}
@keyframes oasisAboutEmberFloat{
  0%, 100% { transform: translate3d(-1.4%, 1.2%, 0) rotate(-0.3deg) scale(1.01); }
  50% { transform: translate3d(1.8%, -2.1%, 0) rotate(0.45deg) scale(1.045); }
}
@keyframes oasisAboutEmberEcho{
  0% { transform: translate3d(3%, 5%, 0) scale(1.03); opacity: 0.1; }
  100% { transform: translate3d(-2%, 1%, 0) scale(1.1); opacity: 0.21; }
}
@keyframes oasisAboutEmberOrbit{
  to { transform: rotate(342deg); }
}
@keyframes oasisAboutEmberAccentPulse{
  0%, 100% { opacity: 0.72; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.08); }
}
@media (min-width: 1800px){.oasis-hero-copy{ max-width: 740px; }.oasis-hero-title{ font-size: 54px; }.oasis-hero-lead{ font-size: 17px; }}
@media (max-width: 1080px){.site-header .main-nav{
    display: none; position: fixed; top: 72px; left: 0; right: 0;
    background: #fff; padding: 16px; border-bottom: 1px solid rgba(4,51,56,.1);
    max-height: calc(100svh - 72px); overflow-y: auto; box-shadow: 0 12px 25px rgba(4,51,56,.08);
  }.site-header .main-nav.active{ display: block; }.site-header .main-nav > ul{ flex-direction: column; gap: 4px; }.site-header .main-nav > ul > li > a{ padding: 12px 16px; min-height: 44px; }.site-header .main-nav > ul > li.active > a::after{ display: none; }.site-header .mobile-toggle{ display: block; }.site-header .header-actions .btn{ display: none; }.oasis-hero-copy{ bottom: 20%; }.oasis-hero-title{ font-size: 32px; }.oasis-hero-lead br{ display: none; }.oasis-hero-footer{ bottom: 5%; }.oasis-hero-actions{ gap: 8px; }.oasis-hero-actions .oasis-about-button{ padding-inline: 16px; font-size: 12px; }}
@media (max-width: 640px){.oasis-about-page .oasis-hero{ min-height: 780px; --oasis-branch-angle: 0deg; }.oasis-hero::before{ content: ""; position: absolute; inset: 0 50% 0 0; background: var(--oasis-hero-left); }.oasis-hero-panel-left{ right: 0; background: transparent; }.oasis-hero-panel-right{ left: 0; background: transparent; }.oasis-hero-oasis{ top: 5%; left: 5%; font-size: 24vw; transform: scaleX(1.05); }.oasis-hero-wks{ right: 6%; bottom: 48%; font-size: 26vw; }.oasis-hero-sculpture{ left: calc(83% - min(110.16%, 432px)); top: 10%; width: min(153%, 600px); }.oasis-hero-glass{ -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); background: rgba(180,204,202,.16); }.oasis-hero-glass::after{ inset: 42% 0 0; }.oasis-about-page .oasis-hero-orbit{ width: 150%; height: 65%; top: -22%; left: -15%; }.oasis-hero-marker-one{ top: 17%; left: 88%; }.oasis-hero-marker-two{ top: 39%; left: 11%; }.oasis-hero-copy{ left: 6%; width: 88%; max-width: none; bottom: 18.5%; }.oasis-hero-eyebrow{ margin-bottom: 14px; font-size: 9px; letter-spacing: .08em; }.oasis-hero-title{ margin-bottom: 17px; font-size: clamp(29px, 7.6vw, 39px); line-height: 1.3; }.oasis-hero-lead{ max-width: 34em; font-size: 13px; line-height: 1.8; }.oasis-hero-lead br{ display: none; }.oasis-hero-footer{ left: 6%; bottom: 4.5%; width: 88%; }.oasis-hero-actions{ gap: 10px; flex-wrap: nowrap; }.oasis-hero-actions .oasis-about-button{ min-height: 48px; padding-inline: 16px; font-size: 12px; gap: 10px; }.oasis-hero-caption{ margin-top: 16px; font-size: 7px; }.oasis-hero-motion{ right: 6%; top: 15%; bottom: auto; width: 44px; height: 44px; }.site-header .header-inner{ padding-inline: 20px; }.site-header .logo{ gap: 8px; }.site-header .brand-name{ font-size: 15px; }.site-header .brand-sub{ font-size: 9px; letter-spacing: .4px; }.site-header .header-actions{ gap: 2px; }.site-header .lang-switch{ padding-inline: 6px; min-height: 44px; }}
@media (max-width: 374px){.oasis-about-page .oasis-hero{ min-height: 820px; }.site-header .header-inner{ padding-inline: 14px; }.site-header .logo-icon{ width: 30px; height: 30px; }.site-header .brand-name{ font-size: 13px; }.site-header .brand-sub{ font-size: 8px; }.site-header .lang-switch{ font-size: 11px; }.oasis-hero-actions .oasis-about-button{ padding-inline: 13px; font-size: 11px; }}
@media (prefers-reduced-motion: reduce){.site-header *, .oasis-hero *, .oasis-hero *::before, .oasis-hero *::after{ animation: none !important; transition: none !important; }.oasis-hero-motion{ display: none; }.oasis-hero-sculpture{ transform: none !important; }.oasis-hero :is(.oasis-hero-panel-left, .oasis-hero-copy, .oasis-hero-footer, .oasis-hero-sculpture, .oasis-hero-wks){ opacity: 1 !important; translate: none !important; }.oasis-hero-echo{ display: none; }}

/* ===== 本地资源补齐（原设计稿为内联 data URI，此处改为站内静态文件） ===== */
:root{
  --oasis-hero-image: url("/static/oasis/img/hero-v15.webp");
}
@font-face{
  font-family: "Oasis Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/static/oasis/fonts/oasis-inter.woff2") format("woff2");
}

/* ===== 站内适配：新版导航为浅色固定头，内页 Banner 首屏留白对齐 ===== */
/* 设计稿依赖其全局 reset（ul 无列表符号），本站仅对新版头部/头图/跑马灯局部补齐 */
.site-header ul,
.oasis-about-page ul{ list-style: none; margin: 0; padding: 0; }
.site-header img{ max-width: none; }

/* ===== 解决方案二级导航 .o-sol-subnav（仅解决方案相关内页输出，见 oasis_header.html） ===== */
.o-sol-subnav{
  position: fixed; top: 72px; left: 0; right: 0; z-index: 999;
  background: rgba(255,255,255,0.94);
  -webkit-backdrop-filter: blur(18px) saturate(1.3);
  backdrop-filter: blur(18px) saturate(1.3);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.o-sol-subnav-inner{
  display: flex; align-items: center; gap: 16px; height: 46px;
  overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none;
}
.o-sol-subnav-inner::-webkit-scrollbar{ display: none; }
.o-sol-subnav-label{
  flex: 0 0 auto; font-size: 11px; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--gray-400);
}
.o-sol-subnav ul{ display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.o-sol-subnav li{ flex: 0 0 auto; }
.o-sol-subnav a{
  display: block; padding: 7px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 500; color: var(--gray-600);
  white-space: nowrap; transition: var(--transition);
}
.o-sol-subnav a:hover{ color: var(--dark); background: rgba(0,0,0,0.05); }
.o-sol-subnav a:focus-visible{ outline: 2px solid #043338; outline-offset: 2px; }
.o-sol-subnav li.is-current a{ background: #0b3d2e; color: #fff; }
.o-sol-subnav li.is-current a:hover{ background: #043338; }

/* 1080px 以下主菜单变抽屉：子菜单同步改为行内展开
   （原规则只覆盖到 768px，769~1080px 区间子菜单仍是浮层，触屏下打不开） */
@media (max-width: 1080px){
  .main-nav .has-sub{ position: static; }
  .main-nav .has-sub::after{ display: none; }
  .main-nav .has-sub > a{ display: flex; justify-content: space-between; }
  .main-nav .sub-menu{
    position: static; display: none; transform: none; margin: 4px 0 0;
    min-width: 0; width: 100%; background: var(--gray-100); border: none;
    box-shadow: none; padding: 4px; border-radius: var(--radius-sm);
  }
  .main-nav .has-sub.active > .sub-menu,
  .main-nav .has-sub.open > .sub-menu{ display: block; animation: none; }
  .main-nav .sub-menu li a{ padding: 12px 16px; min-height: 44px; display: flex; align-items: center; }
  .o-sol-subnav-inner{ height: 44px; gap: 10px; }
  .o-sol-subnav-label{ display: none; }
  .o-sol-subnav a{ padding: 6px 12px; font-size: 12px; }
}