:root {
  --lcws-ink: #081a32;
  --lcws-navy: #07182d;
  --lcws-blue: #0877e6;
  --lcws-cyan: #20c7d8;
  --lcws-green: #58c985;
  --lcws-orange: #ff8a30;
  --lcws-line: #d9e4ef;
  --lcws-soft: #f3f7fb;
}

.lcws-v2, .lcws-v2 * { box-sizing: border-box; }
.lcws-v2 { color: var(--lcws-ink); background: #fff; font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; overflow: hidden; }
.lcws-v2 img { display: block; max-width: 100%; }
.lcws-v2 a { text-decoration: none; }
.lcws-shell { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }

.lcws-hero { min-height: 820px; position: relative; isolation: isolate; color: #fff; background: #07182d; }
.lcws-hero__bg { position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(4,18,37,.97) 0%, rgba(5,23,45,.82) 39%, rgba(5,23,45,.22) 74%, rgba(5,23,45,.35) 100%), url("../img/theme/assets/luchang-v2/hero-highway.webp") center/cover no-repeat; }
.lcws-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, #07182d 100%), radial-gradient(circle at 72% 40%, rgba(32,199,216,.17), transparent 26%); }
.lcws-hero__inner { min-height: 700px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 54px; padding-top: 70px; }
.lcws-eyebrow { display: flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: .22em; color: #90dce7; font-weight: 700; }
.lcws-eyebrow span { width: 38px; height: 2px; background: var(--lcws-cyan); box-shadow: 0 0 18px var(--lcws-cyan); }
.lcws-kicker { margin: 22px 0 10px; color: rgba(255,255,255,.76); font-size: 16px; letter-spacing: .08em; }
.lcws-hero h1 { margin: 0; font-size: clamp(48px, 5vw, 76px); line-height: 1.13; letter-spacing: -.045em; font-weight: 750; }
.lcws-hero h1 em { color: #83e0eb; font-style: normal; }
.lcws-hero__lead { max-width: 660px; margin: 26px 0 0; color: rgba(236,246,255,.76); font-size: 18px; line-height: 1.85; }
.lcws-hero__actions { display: flex; gap: 14px; margin-top: 36px; }
.lcws-btn { min-width: 150px; padding: 15px 24px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; transition: .25s ease; }
.lcws-btn--primary { color: #fff; background: linear-gradient(135deg, #0877e6, #08aabd); box-shadow: 0 14px 36px rgba(0,128,220,.3); }
.lcws-btn--ghost { color: #fff; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.06); backdrop-filter: blur(12px); }
.lcws-btn:hover { transform: translateY(-2px); }
.lcws-hero__tags { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 10px; }
.lcws-hero__tags span { padding: 7px 12px; border: 1px solid rgba(125,218,232,.24); border-radius: 999px; color: #b8dce5; background: rgba(10,54,77,.36); font-size: 12px; }
.lcws-hero__product { position: relative; height: 550px; display: flex; align-items: center; justify-content: center; }
.lcws-hero__product::after { content: ""; position: absolute; width: 430px; height: 120px; bottom: 40px; border-radius: 50%; background: radial-gradient(ellipse, rgba(23,209,224,.22), transparent 67%); filter: blur(5px); }
.lcws-hero__product img { position: relative; z-index: 3; width: min(390px, 80%); height: 530px; object-fit: contain; filter: drop-shadow(0 28px 24px rgba(0,0,0,.38)); }
.lcws-radar { position: absolute; left: 50%; top: 48%; transform: translate(-50%,-50%); border: 1px solid rgba(78,218,228,.22); border-radius: 50%; animation: lcws-pulse 4.2s infinite ease-out; }
.lcws-radar--a { width: 410px; height: 410px; }
.lcws-radar--b { width: 520px; height: 520px; animation-delay: 1.8s; }
.lcws-device-note { position: absolute; z-index: 4; min-width: 178px; padding: 12px 14px; border: 1px solid rgba(122,226,238,.28); border-radius: 9px; background: rgba(5,24,47,.78); backdrop-filter: blur(10px); box-shadow: 0 10px 28px rgba(0,0,0,.18); }
.lcws-device-note b, .lcws-device-note span { display: block; }
.lcws-device-note b { color: #fff; font-size: 14px; }
.lcws-device-note span { color: #8fc5d4; font-size: 11px; margin-top: 5px; }
.lcws-device-note--top { top: 88px; right: -10px; }
.lcws-device-note--bottom { left: -10px; bottom: 78px; }
.lcws-statbar { min-height: 120px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.12); }
.lcws-statbar > div { padding: 28px 28px; border-right: 1px solid rgba(255,255,255,.1); }
.lcws-statbar > div:first-child { padding-left: 0; }
.lcws-statbar > div:last-child { border-right: 0; }
.lcws-statbar strong, .lcws-statbar span { display: block; }
.lcws-statbar strong { font-size: 28px; color: #fff; line-height: 1.2; }
.lcws-statbar span { margin-top: 8px; color: #8ba6bd; font-size: 13px; }
@keyframes lcws-pulse { 0% { transform: translate(-50%,-50%) scale(.76); opacity: 0; } 30% { opacity: 1; } 100% { transform: translate(-50%,-50%) scale(1.18); opacity: 0; } }

.lcws-anchorbar { position: sticky; top: 0; z-index: 15; border-bottom: 1px solid #e7eef5; background: rgba(255,255,255,.94); backdrop-filter: blur(16px); }
.lcws-anchorbar .lcws-shell { height: 66px; display: flex; align-items: center; justify-content: center; gap: 48px; }
.lcws-anchorbar a { color: #40566d; font-size: 14px; font-weight: 700; }
.lcws-anchorbar a:hover { color: var(--lcws-blue); }
.lcws-section { padding: 112px 0; }
.lcws-heading { max-width: 780px; margin-bottom: 52px; }
.lcws-heading > p, .lcws-mini { margin: 0 0 14px; color: var(--lcws-blue); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.lcws-heading h2, .lcws-platform h2, .lcws-specs h2, .lcws-cta h2 { margin: 0; color: var(--lcws-ink); font-size: clamp(34px, 4vw, 52px); line-height: 1.24; letter-spacing: -.035em; }
.lcws-heading > span { display: block; margin-top: 20px; color: #687d91; font-size: 17px; line-height: 1.8; }
.lcws-heading--light h2 { color: #fff; }
.lcws-heading--light > p { color: #70dce5; }
.lcws-heading--light > span { color: #9eb1c3; }

.lcws-challenge { background: linear-gradient(180deg, #fff, #f4f8fc); }
.lcws-pain-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.lcws-pain-grid article { min-height: 230px; padding: 28px 22px; border: 1px solid #dce7f1; border-radius: 13px; background: rgba(255,255,255,.86); box-shadow: 0 16px 40px rgba(37,75,110,.06); transition: .25s ease; }
.lcws-pain-grid article:hover { transform: translateY(-5px); border-color: #9ed8e3; box-shadow: 0 20px 42px rgba(37,75,110,.12); }
.lcws-pain-grid i { display: block; color: #0da0b8; font-size: 12px; font-style: normal; font-weight: 800; letter-spacing: .14em; }
.lcws-pain-grid h3 { margin: 35px 0 12px; font-size: 19px; }
.lcws-pain-grid p { margin: 0; color: #708395; font-size: 14px; line-height: 1.75; }

.lcws-capabilities { position: relative; background: var(--lcws-navy); }
.lcws-capabilities::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, black, transparent 78%); }
.lcws-scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 350px; gap: 16px; }
.lcws-scene { position: relative; isolation: isolate; overflow: hidden; border-radius: 14px; background: #0d2a46 var(--scene) center/cover no-repeat; }
.lcws-scene--wide { grid-column: span 2; }
.lcws-scene::before { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(180deg, rgba(3,15,29,.06) 20%, rgba(3,15,29,.92) 100%); }
.lcws-scene::after { content: ""; position: absolute; z-index: -1; inset: 0; border: 1px solid rgba(255,255,255,.11); border-radius: inherit; }
.lcws-scene > div { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px; color: #fff; transform: translateY(54px); transition: .32s ease; }
.lcws-scene:hover > div { transform: translateY(0); }
.lcws-scene b { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 26px; margin-right: 8px; border-radius: 4px; background: var(--lcws-orange); font-size: 11px; }
.lcws-scene span { color: #8fe1e9; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.lcws-scene h3 { margin: 13px 0 12px; font-size: 22px; }
.lcws-scene p { margin: 0; color: #c6d3df; font-size: 13px; line-height: 1.7; opacity: 0; transition: .3s ease; }
.lcws-scene:hover p { opacity: 1; }

.lcws-architecture { background: #fff; }
.lcws-architecture__board { padding: 42px; border: 1px solid #dbe7f1; border-radius: 20px; background: linear-gradient(145deg, #f9fcff, #edf5fb); box-shadow: 0 24px 70px rgba(28,72,109,.09); }
.lcws-flow { display: grid; grid-template-columns: 1fr 90px 1fr 90px 1fr 90px 1fr; align-items: center; }
.lcws-flow article { position: relative; min-height: 160px; padding: 28px 20px; border-radius: 13px; background: #fff; box-shadow: 0 12px 30px rgba(34,79,117,.08); }
.lcws-flow article i { display: block; color: var(--lcws-blue); font-size: 11px; font-style: normal; font-weight: 800; }
.lcws-flow article b, .lcws-flow article span { display: block; }
.lcws-flow article b { margin-top: 25px; font-size: 19px; }
.lcws-flow article span { margin-top: 8px; color: #71869a; font-size: 12px; }
.lcws-flow em { position: relative; display: block; height: 1px; margin: 0 12px; background: linear-gradient(90deg, #72d7df, #0c83e7); }
.lcws-flow em::after { content: ""; position: absolute; right: -1px; top: -4px; border: 4px solid transparent; border-left-color: #0c83e7; }
.lcws-flow small { position: absolute; left: 50%; bottom: 9px; transform: translateX(-50%); color: #5791aa; font-size: 10px; font-style: normal; white-space: nowrap; }
.lcws-architecture__detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.lcws-architecture__detail > div { padding: 25px 28px; border-left: 3px solid var(--lcws-cyan); background: rgba(255,255,255,.68); }
.lcws-architecture__detail span { color: var(--lcws-blue); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.lcws-architecture__detail h3 { margin: 9px 0 10px; font-size: 17px; }
.lcws-architecture__detail p { margin: 0; color: #718497; font-size: 13px; line-height: 1.75; }

.lcws-platform { position: relative; min-height: 760px; display: flex; align-items: center; color: #fff; background: #071a31; }
.lcws-platform__photo { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,20,39,.98), rgba(5,20,39,.85) 42%, rgba(5,20,39,.28) 75%), url("../img/theme/assets/luchang-v2/platform-operations.webp") center/cover no-repeat; }
.lcws-platform__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,20,39,.25), rgba(5,20,39,.68)); }
.lcws-platform__inner { position: relative; z-index: 2; display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 72px; padding: 110px 0; }
.lcws-platform h2 { color: #fff; }
.lcws-platform__copy > p:not(.lcws-mini) { margin: 22px 0 28px; color: #b5c8d8; font-size: 16px; line-height: 1.85; }
.lcws-platform__copy ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.lcws-platform__copy li { padding-top: 14px; border-top: 1px solid rgba(255,255,255,.16); }
.lcws-platform__copy li b, .lcws-platform__copy li span { display: block; }
.lcws-platform__copy li b { font-size: 14px; }
.lcws-platform__copy li span { margin-top: 7px; color: #8fa6b9; font-size: 12px; line-height: 1.6; }
.lcws-platform__screen { position: relative; padding: 14px; border: 1px solid rgba(120,218,230,.28); border-radius: 18px; background: rgba(13,43,72,.64); box-shadow: 0 35px 80px rgba(0,0,0,.32); backdrop-filter: blur(12px); }
.lcws-platform__screen img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top; border-radius: 10px; }
.lcws-screen-status { position: absolute; left: 28px; bottom: 26px; padding: 9px 13px; border-radius: 7px; background: rgba(2,18,34,.84); color: #bfdae3; font-size: 11px; }
.lcws-screen-status i { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--lcws-green); box-shadow: 0 0 12px var(--lcws-green); }

.lcws-extension { background: #f4f8fc; }
.lcws-extension__grid { display: grid; grid-template-columns: .7fr .7fr 1.6fr; gap: 18px; }
.lcws-extension__grid > article { min-height: 340px; padding: 30px; border: 1px solid #d9e5ef; border-radius: 16px; background: #fff; }
.lcws-extension__icon { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 72px; border-radius: 14px; color: #fff; background: linear-gradient(135deg, #0877e6, #13b7c7); font-size: 26px; box-shadow: 0 12px 25px rgba(6,127,205,.25); }
.lcws-extension article > span { color: var(--lcws-blue); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.lcws-extension article h3 { margin: 10px 0 12px; font-size: 21px; line-height: 1.45; }
.lcws-extension article p { margin: 0; color: #718598; font-size: 13px; line-height: 1.75; }
.lcws-extension__visual { min-height: 340px; overflow: hidden; border-radius: 16px; background: var(--lcws-navy); }
.lcws-extension__visual img { width: 100%; height: 100%; object-fit: cover; }

.lcws-specs { background: #fff; }
.lcws-specs__layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: start; }
.lcws-specs__layout > div:first-child > p:not(.lcws-mini) { margin: 20px 0 26px; color: #6c8094; line-height: 1.8; }
.lcws-text-link { display: inline-flex; gap: 16px; align-items: center; color: var(--lcws-blue); font-weight: 800; }
.lcws-text-link span { transition: transform .2s ease; }
.lcws-text-link:hover span { transform: translateX(5px); }
.lcws-spec-list article { display: grid; grid-template-columns: 110px 1fr; gap: 20px; padding: 21px 0; border-bottom: 1px solid #dce6ef; }
.lcws-spec-list article:first-child { border-top: 1px solid #dce6ef; }
.lcws-spec-list b { color: var(--lcws-ink); font-size: 15px; }
.lcws-spec-list span { color: #667c90; font-size: 14px; }

.lcws-cta { padding: 72px 0; color: #fff; background: linear-gradient(120deg, #07325f, #075c93 58%, #078f9d); }
.lcws-cta .lcws-shell { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.lcws-cta p { margin: 0 0 10px; color: #7fe0e6; font-size: 11px; font-weight: 800; letter-spacing: .15em; }
.lcws-cta h2 { color: #fff; font-size: 38px; }
.lcws-cta span { display: block; margin-top: 12px; color: #c3dbe8; font-size: 15px; }
.lcws-cta .lcws-btn { flex: 0 0 auto; background: #fff; color: #0877d1; box-shadow: 0 18px 42px rgba(0,0,0,.18); }

@media (max-width: 1080px) {
  .lcws-hero__inner { grid-template-columns: 1fr .75fr; gap: 10px; }
  .lcws-device-note { display: none; }
  .lcws-pain-grid { grid-template-columns: repeat(3, 1fr); }
  .lcws-scene-grid { grid-template-columns: repeat(2, 1fr); }
  .lcws-flow { grid-template-columns: repeat(4, 1fr); gap: 12px; }
  .lcws-flow em { display: none; }
  .lcws-platform__inner { gap: 34px; }
  .lcws-extension__grid { grid-template-columns: 1fr 1fr; }
  .lcws-extension__visual { grid-column: span 2; height: 430px; }
}

@media (max-width: 760px) {
  .lcws-shell { width: min(100% - 32px, 1200px); }
  .lcws-hero { min-height: auto; }
  .lcws-hero__bg { background-position: 67% center; }
  .lcws-hero__inner { display: block; min-height: 730px; padding-top: 110px; }
  .lcws-hero__copy { position: relative; z-index: 5; }
  .lcws-hero h1 { font-size: 44px; }
  .lcws-hero__lead { font-size: 15px; }
  .lcws-hero__product { position: absolute; right: -70px; bottom: 54px; width: 270px; height: 340px; opacity: .58; }
  .lcws-hero__product img { height: 330px; }
  .lcws-radar { display: none; }
  .lcws-statbar { grid-template-columns: 1fr 1fr; }
  .lcws-statbar > div { padding: 22px 14px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .lcws-statbar > div:first-child { padding-left: 14px; }
  .lcws-anchorbar { display: none; }
  .lcws-section { padding: 78px 0; }
  .lcws-heading { margin-bottom: 36px; }
  .lcws-heading h2, .lcws-platform h2, .lcws-specs h2 { font-size: 34px; }
  .lcws-heading > span { font-size: 15px; }
  .lcws-pain-grid { grid-template-columns: 1fr; }
  .lcws-pain-grid article { min-height: auto; }
  .lcws-pain-grid h3 { margin-top: 22px; }
  .lcws-scene-grid { grid-template-columns: 1fr; grid-auto-rows: 360px; }
  .lcws-scene--wide { grid-column: auto; }
  .lcws-scene > div { transform: none; }
  .lcws-scene p { opacity: 1; }
  .lcws-architecture__board { padding: 20px; }
  .lcws-flow { grid-template-columns: 1fr; }
  .lcws-flow article { min-height: 120px; }
  .lcws-architecture__detail { grid-template-columns: 1fr; }
  .lcws-platform { min-height: auto; }
  .lcws-platform__inner { grid-template-columns: 1fr; padding: 80px 0; }
  .lcws-platform__copy ul { grid-template-columns: 1fr; }
  .lcws-extension__grid { grid-template-columns: 1fr; }
  .lcws-extension__visual { grid-column: auto; height: 300px; }
  .lcws-specs__layout { grid-template-columns: 1fr; gap: 54px; }
  .lcws-cta .lcws-shell { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .lcws-v2 *, .lcws-v2 *::before, .lcws-v2 *::after { animation: none !important; transition: none !important; }
}