@font-face {
  font-family: "Alimama ShuHeiTi";
  src: url("Alimama_ShuHeiTi_Bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700 900;
  font-display: swap;
}

@font-face {
  font-family: "D-DIN Pro";
  src: url("D-DIN-PRO-500-Medium.otf") format("opentype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root { --orange: #e9472b; --orange-dark: #df3d1e; --ink: #202020; --muted: #666; --pale: #fef7f5; --line: #eee; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; color: var(--ink); background: #fff; font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
.home-container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }

.home-header { position: sticky; top: 0; z-index: 50; height: 72px; border-bottom: 1px solid #ededed; background: rgba(255,255,255,.98); }
.header-inner { height: 100%; display: flex; align-items: center; }
.home-logo { display: block; flex: 0 0 116px; width: 116px; height: 40px; }
.home-logo img { display: block; width: 116px; height: 40px; object-fit: contain; }
.header-nav { align-self: stretch; display: flex; align-items: stretch; margin-left: 20px; }
.header-nav a { position: relative; display: grid; min-width: 92px; padding: 0 17px; place-items: center; color: #333; font-size: 16px; font-weight: 650; white-space: nowrap; transition: color .18s ease, background .18s ease; }
.header-nav a::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; opacity: 0; background: var(--orange); transition: opacity .18s ease; }
.header-nav a:hover, .header-nav a.is-active { color: var(--orange); background: rgba(233,71,43,.11); }
.header-nav a.is-active::before { opacity: 1; }
.header-phone { display: flex; align-items: center; gap: 7px; margin-left: auto; color: var(--orange); }
.header-phone img { width: 28px; height: 28px; }
.header-phone span { display: grid; gap: 2px; }
.header-phone small { color: #a44226; font-size: 12px; line-height: 1; }
.header-phone b { font-family: Arial, sans-serif; font-size: 19px; line-height: 1; letter-spacing: .2px; }
.header-order { display: grid; min-width: 112px; height: 40px; margin-left: 36px; place-items: center; border-radius: 6px; color: #fff; background: linear-gradient(90deg, #e93300, #f96100); box-shadow: 0 5px 11px rgba(233,51,0,.17); font-size: 16px; font-weight: 650; }

.home-hero { height: 470px; overflow: hidden; background: #fff; }
.hero-frame { position: relative; height: 400px; margin-top: 24px; }
.hero-slide { position: absolute; inset: 0; overflow: hidden; border-radius: 16px; visibility: hidden; opacity: 0; transform: translateX(18px); transition: opacity .45s ease, transform .45s ease, visibility 0s linear .45s; }
.hero-slide:not(.hero-image-slide) { border-radius: 16px 4px 4px 16px; }
.hero-slide.is-active { visibility: visible; opacity: 1; transform: translateX(0); transition-delay: 0s; }
.hero-slide > img { display: block; width: 100%; height: 100%; object-fit: cover; }
.hero-image-slide { border-radius: 0; }
.hero-image { position: absolute; inset: 0; }
.hero-copy { position: absolute; top: 58px; left: 86px; width: 555px; }
.hero-copy h1 { margin: 0; color: #ec420c; font-family: "Alimama ShuHeiTi", "PingFang SC", sans-serif; font-size: 44px; font-weight: 800; line-height: 1.18; letter-spacing: .4px; white-space: nowrap; }
.hero-copy > p { width: 545px; margin: 19px 0 0; color: #555; font-size: 16px; line-height: 1.55; }
.hero-actions { display: flex; gap: 20px; margin-top: 27px; }
.hero-actions a { display: flex; align-items: center; justify-content: center; height: 44px; border-radius: 24px; font-size: 16px; font-weight: 650; }
.hero-coverage { min-width: 204px; gap: 9px; color: #fff; background: linear-gradient(90deg, #e93300, #f96100); box-shadow: 0 6px 14px rgba(233,51,0,.2); }
.hero-coverage span { font-family: Arial, sans-serif; font-size: 26px; line-height: 1; transform: rotate(-18deg); }
.hero-order { min-width: 114px; border: 1px solid var(--orange); color: var(--orange); background: rgba(255,255,255,.92); }
.hero-promises { display: flex; gap: 46px; margin-top: 31px; }
.hero-promises span { display: grid; min-width: 92px; padding-left: 12px; border-left: 4px solid var(--orange); }
.hero-promises b { color: #333; font-size: 16px; line-height: 20px; }
.hero-promises small { margin-top: 4px; color: #666; font-size: 14px; line-height: 18px; white-space: nowrap; }
.hero-dots { position: absolute; z-index: 2; bottom: -20px; left: 50%; display: flex; gap: 12px; transform: translateX(-50%); }
.hero-dots button { width: 24px; height: 6px; padding: 0; border: 0; border-radius: 4px; background: #ddd; }
.hero-dots button.is-active { width: 36px; background: #f05335; }

.service-features { height: 104px; background: var(--pale); }
.feature-grid { height: 100%; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.feature-grid article { display: flex; align-items: center; justify-content: center; gap: 16px; height: 40px; border-left: 1px solid rgba(0,0,0,.1); }
.feature-grid article:first-child { border-left: 0; }
.feature-grid img { width: 48px; height: 48px; }
.feature-grid b { font-size: 20px; font-weight: 650; }

.about-section { position: relative; min-height: 476px; padding: 72px 0; overflow: hidden; background: #fff; }
.about-section::before, .about-section::after { content: ""; position: absolute; width: 198px; height: 100px; pointer-events: none; }
.about-section::before { top: 0; left: 0; background: url("assets/lanhu-home/img_grid_left.png") 0 0 / 100% 100% no-repeat; }
.about-section::after { right: 0; bottom: 0; background: url("assets/lanhu-home/img_grid_right.png") 0 0 / 100% 100% no-repeat; }
.about-showcase { position: relative; z-index: 1; }
.about-tabs { display: flex; align-items: center; gap: 40px; height: 36px; }
.about-tabs button { position: relative; width: 128px; height: 36px; padding: 0; border: 0; color: #666; background: transparent; font-family: "PingFang SC-Medium", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 32px; font-weight: 500; line-height: 36px; letter-spacing: 0; transition: color .2s ease, font-weight .2s ease; }
.about-tabs button::after { content: ""; position: absolute; bottom: -24px; left: 50%; width: 40px; height: 4px; transform: translateX(-50%); background: linear-gradient(90deg, #ef5200, #ff9a5a); opacity: 0; transition: opacity .2s ease, transform .2s ease; }
.about-tabs button:hover, .about-tabs button.is-active { color: #000; font-family: "PingFang SC-Semibold", "PingFang SC", "Microsoft YaHei", sans-serif; font-weight: 600; }
.about-tabs button.is-active::after { opacity: 1; transform: translateX(-50%) scaleX(1.12); }
.about-panels { display: grid; margin-top: 56px; }
.about-panel { grid-area: 1 / 1; min-height: 240px; visibility: hidden; opacity: 0; pointer-events: none; transition: opacity .2s ease, visibility 0s linear .2s; }
.about-panel.is-active { visibility: visible; opacity: 1; pointer-events: auto; animation: about-panel-in .28s ease both; transition-delay: 0s; }
.about-company-panel { display: grid; grid-template-columns: minmax(0, 640px) 520px; align-items: start; justify-content: space-between; gap: 40px; }
.about-company-copy h2, .about-story-panel h2 { margin: 0; color: #000; font-size: 20px; font-weight: 650; line-height: 24px; }
.about-company-copy p, .about-story-copy p { margin: 24px 0 0; color: #333; font-size: 15px; line-height: 24px; text-align: justify; }
.about-company-copy p + p { margin-top: 24px; }
.about-company-visual { display: block; width: 520px; height: 240px; object-fit: cover; }
.about-story-panel { max-width: 1200px; }
.about-story-copy { display: grid; gap: 0; }
.about-story-copy p { margin-top: 14px; }
.about-story-copy p:first-child { margin-top: 24px; }
@keyframes about-panel-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.products-preview { padding: 72px 0; background: var(--pale); }
.products-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 50px; }
.products-heading h2 { margin: 0; font-size: 32px; font-weight: 700; line-height: 1.4; }
.products-heading > div { width: 320px; text-align: right; }
.products-heading p { margin: 0; color: #777; font-size: 16px; line-height: 1.55; }
.products-heading a { display: inline-flex; align-items: center; gap: 7px; margin-top: 19px; padding: 6px 15px; border: 1px solid var(--orange); border-radius: 4px; color: var(--orange); font-size: 14px; font-weight: 650; }
.products-heading a span, .products-foot a span { font-size: 18px; line-height: 1; }
.product-tabs { display: flex; gap: 16px; margin-top: 20px; }
.product-tabs button { height: 32px; padding: 0 16px; border: 1px solid #ededed; border-radius: 4px; color: #333; background: #fff; font-size: 14px; }
.product-tabs button.is-active { border-color: #e9e9e9; color: #333; }
.plan-rail { margin-top: 24px; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; cursor: grab; }
.plan-rail::-webkit-scrollbar { display: none; }
.plan-grid { display: flex; gap: 20px; width: max-content; }
.plan-card { position: relative; display: block; flex: 0 0 316px; height: 336px; overflow: hidden; padding: 30px; border: 1px solid #ededed; border-radius: 16px; color: #000; background-color: #ffefea; background-image: url("assets/lanhu-hd/bg_product1@2x.png"); background-repeat: no-repeat; background-position: right bottom; background-size: cover; transition: transform .2s ease, box-shadow .2s ease; }
.plan-card:hover { box-shadow: 0 12px 20px rgba(194,78,45,.16); transform: translateY(-4px); }
.plan-red, .plan-orange, .plan-brown, .plan-deep-red { background-color: #ffefea; }
.plan-card > span { display: block; font-size: 14px; font-weight: 500; }.plan-card strong { display: block; margin-top: 12px; color: var(--orange); font-family: "D-DIN Pro", Arial, sans-serif; font-size: 60px; font-weight: 500; line-height: 1; }.plan-card strong em { margin-left: 5px; color: var(--orange); font-family: "PingFang SC", sans-serif; font-size: 16px; font-style: normal; font-weight: 500; }.plan-card > small { display: block; margin-top: 6px; font-size: 14px; }.plan-card > div { position: absolute; bottom: 86px; left: 30px; display: grid; }.plan-card i { font-size: 12px; font-style: normal; }.plan-card div b { margin-top: 4px; color: var(--orange); font-family: "D-DIN Pro", Arial, sans-serif; font-size: 30px; font-weight: 500; }.plan-card u { position: absolute; right: 30px; bottom: 32px; left: 30px; display: flex; align-items: center; justify-content: space-between; height: 36px; padding: 0 13px; border: 0; border-radius: 4px; color: var(--orange); background: #fff; font-size: 13px; font-weight: 500; text-decoration: none; }.plan-card mark { color: var(--orange); background: transparent; font-size: 20px; }
.products-foot { display: flex; justify-content: space-between; margin-top: 24px; color: #777; font-size: 14px; }.products-foot p { margin: 0; }.products-foot a { display: inline-flex; align-items: center; gap: 7px; color: var(--orange); font-weight: 650; }

.coverage-callout { min-height: 268px; background: #fff1ec url("assets/lanhu-hd/img_home_get@2x.png") center / cover no-repeat; }
.coverage-inner { display: flex; align-items: flex-start; justify-content: space-between; padding-top: 72px; }
.coverage-inner h2 { margin: 0; color: #f04c1b; font-size: 32px; line-height: 36px; }.coverage-inner > div > i { display: block; width: 40px; height: 4px; margin-top: 30px; background: linear-gradient(90deg, #e93300, #f96100); }.coverage-inner p { margin: 18px 0 0; color: #111; font-size: 20px; font-weight: 650; }
.coverage-inner > a { position: relative; display: flex; align-items: center; justify-content: center; gap: 11px; width: 240px; height: 56px; margin: 32px 9px 0 0; border-radius: 28px; color: #fff; background: linear-gradient(90deg, #e93300, #f96100); box-shadow: 0 5px 13px rgba(233,51,0,.2); font-size: 20px; font-weight: 700; }.coverage-inner > a span { font-family: Arial, sans-serif; font-size: 28px; transform: rotate(-18deg); }.coverage-inner > a img { position: absolute; right: -12px; bottom: -16px; width: 63px; height: 63px; }

.home-footer { position: relative; z-index: 10; min-height: 153px; overflow: visible; color: rgba(255,255,255,.72); background-color: #292929; background-image: url("assets/lanhu-hd/bg_footer_left@2x.png"), url("assets/lanhu-hd/bg_footer_right@2x.png"); background-repeat: no-repeat, no-repeat; background-position: left bottom, right bottom; background-size: 300px 153px, 300px 153px; }
.footer-main { display: flex; align-items: center; min-height: 92px; }.footer-brand { width: 170px; }.footer-brand img { display: block; width: 116px; height: 40px; object-fit: contain; }.footer-main nav { display: flex; gap: 0; margin-left: 38px; }.footer-main nav a { padding: 0 18px; border-left: 1px solid rgba(255,255,255,.28); font-size: 13px; }.footer-main nav a:first-child { border-left: 0; }.footer-channel { position: relative; display: flex; align-items: center; gap: 10px; margin-left: auto; outline: none; }.footer-channel + .footer-channel { margin-left: 34px; }.footer-channel > img { width: 40px; height: 40px; }.footer-channel p { display: grid; gap: 3px; margin: 0; }.footer-channel b { color: #fff; font-size: 13px; }.footer-channel small { color: rgba(255,255,255,.48); font-size: 11px; white-space: nowrap; }.footer-qr { position: absolute; z-index: 2; bottom: calc(100% + 14px); left: 50%; display: grid; width: 152px; height: 152px; padding: 9px; border: 1px solid rgba(0,0,0,.08); border-radius: 10px; place-items: center; background: #fff; box-shadow: 0 12px 28px rgba(0,0,0,.28); opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 8px); transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s; }.footer-qr::after { content: ""; position: absolute; bottom: -6px; left: 50%; width: 12px; height: 12px; background: #fff; transform: translateX(-50%) rotate(45deg); }.footer-qr img { position: relative; z-index: 1; display: block; width: 132px; height: 132px; object-fit: contain; }.footer-channel:hover .footer-qr, .footer-channel:focus .footer-qr, .footer-channel:focus-within .footer-qr { opacity: 1; visibility: visible; transform: translate(-50%, 0); transition-delay: 0s; }.footer-channel:focus-visible { border-radius: 4px; box-shadow: 0 0 0 2px rgba(255,255,255,.72); }.footer-meta { display: flex; justify-content: flex-end; gap: 34px; padding: 14px 0 18px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.45); font-size: 11px; }.footer-meta .footer-copyright { margin: 0 auto 0 0; white-space: nowrap; }.footer-meta a { color: rgba(255,255,255,.68); }

@media (max-width: 960px) {
  .header-nav a { min-width: 76px; padding: 0 11px; font-size: 14px; }.header-order { min-width: 92px; margin-left: 18px; }.header-phone b { font-size: 16px; }.hero-copy { left: 58px; }.hero-copy h1 { font-size: 37px; }.hero-promises { gap: 20px; }.about-company-panel { grid-template-columns: minmax(0, 1fr) minmax(380px, 43.5%); gap: 30px; }.about-company-visual { width: 100%; height: auto; aspect-ratio: 13 / 6; }.plan-card { padding: 22px; }.plan-card > div { left: 22px; }.plan-card u { right: 22px; left: 22px; }.footer-main nav { margin-left: 10px; }.footer-channel + .footer-channel { margin-left: 16px; }
}

@media (max-width: 760px) {
  .home-container { width: min(100% - 32px, 620px); }.home-header { height: auto; }.header-inner { min-height: 64px; flex-wrap: wrap; }.home-logo { flex-basis: 96px; width: 96px; height: 33px; }.home-logo img { width: 96px; height: 33px; }.header-phone { margin-left: auto; }.header-phone img { display: none; }.header-phone small { font-size: 10px; }.header-phone b { font-size: 14px; }.header-order { min-width: 72px; height: 34px; margin-left: 12px; border-radius: 4px; font-size: 13px; }.header-nav { order: 3; width: calc(100% + 32px); height: 42px; margin: 0 -16px; overflow-x: auto; border-top: 1px solid #eee; }.header-nav a { min-width: 88px; padding: 0 12px; font-size: 13px; }
  .home-hero { height: auto; padding-bottom: 22px; }.hero-frame { height: 270px; margin-top: 16px; transition: height .32s ease; }.hero-frame.has-image-active { height: max(96px, calc((100vw - 32px) * .333333)); }.hero-slide { border-radius: 10px; }.hero-slide:not(.hero-image-slide) { border-radius: 10px 3px 3px 10px; }.hero-frame.has-image-active .hero-image-slide { background: #fff8f4; }.hero-frame.has-image-active .hero-image-slide img { object-fit: contain; }.hero-copy { top: 25px; left: 24px; width: calc(100% - 48px); }.hero-copy h1 { font-size: 28px; line-height: 1.2; white-space: normal; }.hero-copy > p { width: min(235px, 76%); margin-top: 11px; font-size: 12px; line-height: 1.55; }.hero-actions { gap: 10px; margin-top: 15px; }.hero-actions a { height: 36px; font-size: 12px; }.hero-coverage { min-width: 149px; }.hero-order { min-width: 86px; }.hero-promises { gap: 7px; margin-top: 17px; }.hero-promises span { min-width: 0; padding-left: 6px; border-left-width: 2px; }.hero-promises b { font-size: 11px; line-height: 14px; }.hero-promises small { max-width: 72px; margin-top: 2px; font-size: 9px; line-height: 12px; white-space: normal; }.hero-dots { bottom: -16px; gap: 7px; }.hero-dots button { width: 18px; height: 4px; }.hero-dots button.is-active { width: 28px; }
  .service-features { height: auto; }.feature-grid { grid-template-columns: repeat(2,1fr); padding: 13px 0; }.feature-grid article { justify-content: flex-start; height: 48px; padding-left: 12%; border-left: 0; }.feature-grid article:nth-child(2n) { border-left: 1px solid rgba(0,0,0,.1); }.feature-grid img { width: 34px; height: 34px; }.feature-grid b { font-size: 15px; }
  .about-section { min-height: 0; padding: 48px 0 42px; }.about-section::before, .about-section::after { width: 119px; height: 60px; }.about-tabs { gap: 16px; height: 28px; }.about-tabs button { width: auto; min-width: 88px; height: 28px; font-size: 21px; line-height: 28px; }.about-tabs button::after { bottom: -16px; width: 30px; height: 3px; }.about-panels { margin-top: 40px; }.about-company-panel { grid-template-columns: 1fr; gap: 22px; }.about-company-copy h2, .about-story-panel h2 { font-size: 18px; line-height: 1.45; }.about-company-copy p, .about-story-copy p { margin-top: 16px; font-size: 13px; line-height: 1.82; }.about-company-copy p + p { margin-top: 16px; }.about-company-visual { width: 100%; height: auto; }.about-story-copy p { margin-top: 12px; }.about-story-copy p:first-child { margin-top: 16px; }
  .products-preview { padding: 44px 0; }.products-heading { display: block; }.products-heading h2 { font-size: 26px; }.products-heading > div { width: auto; margin-top: 17px; text-align: left; }.products-heading p { font-size: 13px; }.products-heading a { margin-top: 12px; }.product-tabs { gap: 8px; overflow-x: auto; padding-bottom: 2px; }.product-tabs button { flex: 0 0 auto; padding: 0 12px; font-size: 12px; }.plan-rail { margin-top: 24px; }.plan-grid { gap: 12px; }.plan-card { flex-basis: min(76vw, 288px); height: 266px; padding: 18px; border-radius: 12px; background-size: 100% 100%; }.plan-card > span, .plan-card > small { font-size: 11px; }.plan-card strong { font-size: 45px; }.plan-card strong em { font-size: 12px; }.plan-card > div { bottom: 68px; left: 18px; }.plan-card i { font-size: 10px; }.plan-card div b { font-size: 23px; }.plan-card u { right: 18px; bottom: 18px; left: 18px; height: 31px; padding: 0 9px; font-size: 11px; }.plan-card mark { font-size: 17px; }.products-foot { display: block; margin-top: 17px; font-size: 11px; }.products-foot a { margin-top: 10px; }
  .coverage-callout { min-height: 235px; }.coverage-inner { display: block; padding-top: 46px; }.coverage-inner h2 { font-size: 25px; }.coverage-inner > div > i { margin-top: 19px; }.coverage-inner p { margin-top: 14px; font-size: 14px; }.coverage-inner > a { width: 172px; height: 45px; margin: 23px 12px 0 auto; font-size: 16px; }.coverage-inner > a img { right: -11px; bottom: -13px; width: 49px; height: 49px; }
  .home-footer { padding: 25px 0 18px; }.footer-main { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 14px; }.footer-main nav { grid-column: 1 / -1; order: 3; margin: 0; }.footer-main nav a { padding: 0 9px; font-size: 12px; }.footer-brand { width: auto; }.footer-channel { margin: 0; }.footer-channel + .footer-channel { margin: 0; }.footer-channel > img { width: 34px; height: 34px; }.footer-channel b { font-size: 12px; }.footer-channel small { font-size: 9px; }.footer-qr { width: 128px; height: 128px; padding: 8px; }.footer-qr img { width: 112px; height: 112px; }.footer-meta { display: grid; justify-content: start; gap: 6px; padding: 13px 0 0; font-size: 10px; }.footer-meta .footer-copyright { margin: 0; }
}

@media (prefers-reduced-motion: reduce) { .hero-slide { transition: none; }.about-panel.is-active { animation: none; }.plan-card { transition: none; } }