:root {
  --ink: #17201d;
  --ink-2: #23302c;
  --paper: #f5f3ed;
  --white: #fff;
  --muted: #6c746f;
  --line: #dcded8;
  --orange: #e75521;
  --orange-dark: #c63f12;
  --sand: #eae5d8;
  --wrap: min(1240px, calc(100vw - 96px));
  --radius: 4px;
  --ease: cubic-bezier(.22,.75,.22,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open, body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
img, svg { display: block; max-width: 100%; }
.wrap { width: var(--wrap); margin-inline: auto; }
.section { padding-block: 130px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; left: 16px; top: -80px; padding: 12px 18px; background: var(--white); color: var(--ink); transition: top .2s; }
.skip-link:focus { top: 16px; }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; width: 100%; height: 88px; padding: 0 48px; display: flex; align-items: center; justify-content: space-between; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.18); transition: background .35s, height .35s, color .35s; }
.site-header.scrolled { height: 72px; color: var(--ink); background: rgba(250,249,245,.94); border-color: var(--line); backdrop-filter: blur(14px); box-shadow: 0 5px 25px rgba(10,20,16,.06); }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; color: var(--white); background: var(--orange); }
.brand-mark svg { width: 27px; fill: currentColor; }
.brand-mark.official-mark { width: 51px; height: 47px; padding: 5px 4px 7px; position: relative; display: flex; flex-direction: column; line-height: .9; color: #d51c1f; background: #ffd21a; border-radius: 0 0 8px 8px; box-shadow: inset 0 -3px 0 rgba(213,28,31,.12); }
.official-mark::after { content: ""; position: absolute; bottom: -7px; left: 0; border-left: 25.5px solid transparent; border-right: 25.5px solid transparent; border-top: 8px solid #ffd21a; }
.official-mark b { font-family: serif; font-size: 14px; letter-spacing: .04em; }
.official-mark i { font: 900 15px/1 Arial; font-style: normal; letter-spacing: -.05em; }
.brand-name { display: grid; gap: 1px; line-height: 1; }
.brand-name strong { font-family: serif; font-size: 24px; letter-spacing: .12em; }
.brand-name small { font-size: 8px; font-weight: 700; letter-spacing: .16em; opacity: .72; }
.desktop-nav { display: flex; align-items: center; gap: 36px; margin-left: auto; margin-right: 48px; }
.desktop-nav a { position: relative; padding: 34px 0; font-size: 14px; font-weight: 600; }
.desktop-nav a::after { content: ""; position: absolute; bottom: 25px; left: 50%; width: 0; height: 2px; background: var(--orange); transition: width .25s, left .25s; }
.desktop-nav a:hover::after { width: 100%; left: 0; }
.site-header.scrolled .desktop-nav a { padding-block: 26px; }
.header-actions { display: flex; align-items: center; gap: 15px; }
.language-switcher { display: inline-flex; align-items: center; gap: 2px; padding: 3px; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; }
.language-switcher button { min-width: 28px; height: 26px; padding: 0 7px; border: 0; border-radius: 999px; color: inherit; background: transparent; font: 700 10px/1 Arial, sans-serif; cursor: pointer; opacity: .68; transition: color .2s, background .2s, opacity .2s; }
.language-switcher button:hover { opacity: 1; }
.language-switcher button.active { color: var(--white); background: var(--orange); opacity: 1; }
.site-header.scrolled .header-language { border-color: rgba(23,32,29,.3); }
.mobile-language { display: none; }
.icon-button { border: 0; background: transparent; padding: 8px; cursor: pointer; }
.search-button svg { width: 21px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.header-consult { padding: 12px 19px; font-size: 13px; font-weight: 700; border: 1px solid rgba(255,255,255,.55); transition: background .2s, color .2s; }
.header-consult:hover { background: var(--white); color: var(--ink); }
.site-header.scrolled .header-consult { border-color: var(--ink); }
.menu-button { width: 42px; display: none; gap: 6px; }
.menu-button span { display: block; width: 24px; height: 1px; background: currentColor; transition: transform .25s; }
.mobile-panel { position: fixed; inset: 0; z-index: 90; padding: 120px 48px 50px; display: flex; flex-direction: column; justify-content: center; background: var(--ink); color: var(--white); visibility: hidden; opacity: 0; transform: translateY(-15px); transition: .3s var(--ease); }
.mobile-panel.open { visibility: visible; opacity: 1; transform: none; }
.mobile-panel a { display: flex; justify-content: space-between; padding: 22px 0; font-size: 27px; border-bottom: 1px solid rgba(255,255,255,.15); }
.mobile-panel a span { font-size: 11px; color: var(--orange); }

.hero { position: relative; min-height: 780px; height: 100svh; max-height: 960px; overflow: hidden; color: var(--white); background: #25231f; }
.hero-backdrop { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(11,15,13,.88) 0%, rgba(11,15,13,.58) 38%, rgba(11,15,13,.08) 68%, rgba(11,15,13,.16) 100%), linear-gradient(0deg, rgba(8,12,10,.38), transparent 45%), var(--hero-image, url("assets/baofu-construction-hero.png")); background-size: cover; background-position: center; transform: scale(1.02); animation: hero-in 1.5s var(--ease) both; }
@keyframes hero-in { from { opacity: .7; transform: scale(1.08); } }
.hero-content { position: relative; z-index: 1; padding-top: clamp(170px, 22vh, 235px); }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 32px; font-size: 10px; font-weight: 800; letter-spacing: .24em; }
.eyebrow span { width: 34px; height: 2px; background: var(--orange); }
.eyebrow.light { color: rgba(255,255,255,.76); }
.hero h1 { margin: 0; max-width: 710px; font-family: serif; font-size: clamp(58px, 6.4vw, 98px); line-height: 1.03; letter-spacing: -.045em; font-weight: 700; }
.hero h1 em { color: var(--white); font-style: normal; }
.hero h1 em::after { content: ""; display: inline-block; width: .16em; height: .16em; margin-left: .08em; background: var(--orange); }
.hero-copy { max-width: 560px; margin: 30px 0 0; color: rgba(255,255,255,.76); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 42px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 30px; padding: 0 24px; border: 0; cursor: pointer; font-weight: 700; font-size: 14px; transition: transform .25s, background .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--orange); }
.button-primary:hover { background: var(--orange-dark); }
.button-dark { color: var(--white); background: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; }
.play-dot { width: 32px; height: 32px; display: grid; place-items: center; padding-left: 2px; font-size: 9px; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; }
.hero-foot { position: absolute; z-index: 1; bottom: 34px; left: 50%; transform: translateX(-50%); display: flex; align-items: flex-end; justify-content: space-between; }
.hero-proof { display: flex; align-items: center; gap: 18px; }
.proof-line { width: 3px; height: 45px; background: var(--orange); }
.hero-proof p { display: grid; gap: 5px; margin: 0; }
.hero-proof strong { font-size: 13px; letter-spacing: .08em; }
.hero-proof small { color: rgba(255,255,255,.55); font-size: 11px; }
.hero-scroll { display: flex; align-items: center; gap: 14px; writing-mode: vertical-rl; font-size: 9px; letter-spacing: .18em; color: rgba(255,255,255,.5); }
.hero-scroll i { width: 1px; height: 45px; position: relative; overflow: hidden; background: rgba(255,255,255,.2); }
.hero-scroll i::after { content: ""; position: absolute; top: -100%; width: 100%; height: 100%; background: var(--white); animation: scroll-line 2s infinite; }
@keyframes scroll-line { to { top: 100%; } }

.section-kicker { display: flex; align-items: center; gap: 14px; margin-bottom: 42px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .15em; }
.section-kicker span { color: var(--orange); }
.section-kicker.light { color: rgba(255,255,255,.55); }
.intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; align-items: end; }
.intro h2, .section-head h2, .solutions h2, .service h2, .contact h2 { margin: 0; font-family: serif; font-size: clamp(46px, 5vw, 72px); line-height: 1.14; letter-spacing: -.04em; }
.intro-copy > p { margin: 0 0 35px; color: #58615d; font-size: 17px; line-height: 2; }
.arrow-link { display: inline-flex; align-items: center; gap: 30px; padding-bottom: 8px; font-size: 14px; font-weight: 700; border-bottom: 1px solid #a7aca9; }
.arrow-link span { color: var(--orange); font-size: 20px; transition: transform .2s; }
.arrow-link:hover span { transform: translateX(5px); }
.principles { margin-top: 100px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principles article { min-height: 195px; padding: 35px 30px 35px 0; display: flex; gap: 25px; border-right: 1px solid var(--line); }
.principles article:not(:first-child) { padding-left: 30px; }
.principles article:last-child { border-right: 0; }
.principles article > strong { color: var(--orange); font: 500 12px Arial; }
.principles h3 { margin: 0 0 14px; font-size: 18px; }
.principles p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.products { background: var(--white); }
.section-head { display: grid; grid-template-columns: 1fr 420px; gap: 80px; align-items: end; }
.section-head > p { margin: 0 0 10px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.filter-row { margin-top: 66px; display: flex; gap: 9px; overflow-x: auto; scrollbar-width: none; }
.filter { flex: none; padding: 12px 20px; border: 1px solid var(--line); background: transparent; font-size: 13px; cursor: pointer; transition: .2s; }
.filter small { margin-left: 6px; color: var(--orange); font-size: 9px; font-weight: 800; }
.filter.active small, .filter:hover small { color: #ffc2aa; }
.filter:hover, .filter.active { color: var(--white); border-color: var(--ink); background: var(--ink); }
.product-grid { margin-top: 25px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.product-card { position: relative; min-width: 0; padding: 30px; display: grid; grid-template-columns: 49% 51%; grid-template-rows: auto 1fr auto; background: #f3f3ef; overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 22px 50px rgba(19,31,27,.1); }
.product-card.hidden { display: none; }
.product-top { grid-column: 1/-1; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 11px; letter-spacing: .1em; }
.favorite { width: 32px; height: 32px; border: 1px solid #ced1cc; border-radius: 50%; background: transparent; font-size: 18px; cursor: pointer; transition: .2s; }
.favorite.active { color: var(--white); border-color: var(--orange); background: var(--orange); transform: rotate(45deg); }
.product-visual { min-height: 340px; position: relative; display: grid; place-items: center; }
.bag { position: relative; z-index: 2; width: 165px; height: 220px; padding: 23px 18px; color: var(--white); background: #d45125; clip-path: polygon(3% 0,97% 0,100% 95%,93% 100%,7% 100%,0 95%); transform: rotate(-3deg); box-shadow: inset 0 0 0 1px rgba(255,255,255,.25); }
.bag::before { content: ""; position: absolute; inset: 66px 0 auto; height: 72px; background: rgba(255,255,255,.93); }
.bag b, .bucket b { display: block; font-family: serif; font-size: 26px; letter-spacing: .12em; }
.bag i, .bucket i { display: block; font: 700 7px Arial; letter-spacing: .22em; opacity: .7; }
.bag span, .bucket span { position: relative; display: block; margin-top: 36px; color: var(--ink); font: 800 25px Arial; }
.bag small, .bucket small { position: relative; color: var(--ink); font-size: 10px; font-weight: 700; }
.bag-green .bag { background: #395e50; }
.bag-blue .bucket { background: #2b6c89; }
.product-shadow { position: absolute; z-index: 0; bottom: 50px; width: 190px; height: 26px; background: rgba(10,20,15,.18); filter: blur(13px); border-radius: 50%; transform: rotate(-4deg); }
.real-product-image { position: relative; z-index: 2; width: 205px; height: 280px; object-fit: contain; mix-blend-mode: multiply; filter: drop-shadow(0 18px 14px rgba(25,35,31,.16)); transition: transform .35s var(--ease); }
.real-product-card:hover .real-product-image { transform: translateY(-5px) rotate(-1deg) scale(1.025); }
.real-bag, .real-bucket { position: relative; z-index: 2; padding: 22px 17px; color: var(--white); background: linear-gradient(145deg,#17694e,#0b4937); box-shadow: inset -12px -10px 22px rgba(0,0,0,.16), inset 0 0 0 1px rgba(255,255,255,.18), 0 18px 28px rgba(22,35,30,.16); }
.real-bag { width: 166px; height: 222px; clip-path: polygon(3% 0,97% 0,100% 96%,92% 100%,8% 100%,0 96%); transform: rotate(-2deg); }
.real-bucket { width: 184px; height: 166px; padding-top: 27px; border-radius: 5px 5px 17px 17px; transform: rotate(1.5deg); }
.real-bucket::before { content: ""; position: absolute; left: 4px; right: 4px; top: -10px; height: 17px; background: #d84927; border-radius: 5px; box-shadow: 0 3px 0 rgba(0,0,0,.13); }
.real-bag::before, .real-bucket::after { content: ""; position: absolute; left: 0; right: 0; top: 63px; height: 67px; background: rgba(255,216,24,.98); }
.real-bag b, .real-bucket b { position: relative; z-index: 2; display: block; color: #e11e22; font-family: serif; font-size: 24px; letter-spacing: .08em; text-shadow: 0 1px rgba(255,255,255,.4); }
.real-bag i, .real-bucket i { position: relative; z-index: 2; display: block; color: #e11e22; font: 800 9px Arial; letter-spacing: .04em; }
.real-bag span, .real-bucket span { position: relative; z-index: 2; display: block; margin-top: 31px; color: var(--ink); font-size: 18px; font-weight: 900; }
.real-bag small, .real-bucket small { position: relative; z-index: 2; color: rgba(23,32,29,.72); font: 800 8px Arial; }
.real-bucket::after { top: 56px; height: 60px; }
.real-bucket span { margin-top: 26px; }
.product-yellow .real-bag { background: linear-gradient(145deg,#facb00,#e8a500); }
.product-green .real-bag, .product-greenred .real-bucket { background: linear-gradient(145deg,#0b8b4c,#056236); }
.product-cyan .real-bag, .product-blue .real-bag, .product-blue .real-bucket, .product-bluered .real-bucket { background: linear-gradient(145deg,#087f9b,#005169); }
.product-red .real-bag, .product-red .real-bucket, .product-brightred .real-bucket { background: linear-gradient(145deg,#e7412d,#a91518); }
.product-rose .real-bag { background: linear-gradient(145deg,#cc8f88,#875353); }
.product-black .real-bag, .product-black .real-bucket, .product-blackyellow .real-bag, .product-blackred .real-bag { background: linear-gradient(145deg,#303331,#090b0a); }
.product-redgray .real-bucket { background: linear-gradient(145deg,#e6e1d9,#8c8b87); }
.product-purple .real-bucket { background: linear-gradient(145deg,#4d41b5,#1d2379); }
.product-gray .real-bag { background: linear-gradient(145deg,#858b8b,#4a4e4d); }
.product-spec { margin: 9px 0 7px !important; color: #3f4a45 !important; font-weight: 700; }
.real-product-card .product-info > p:last-child { font-size: 12px; }
.bucket { position: relative; z-index: 2; width: 175px; height: 168px; padding: 24px 20px; color: var(--white); border-radius: 3px 3px 16px 16px; transform: rotate(2deg); box-shadow: inset 0 -6px 0 rgba(0,0,0,.13); }
.bucket::before { content: ""; position: absolute; z-index: -1; left: 8px; right: 8px; top: -13px; height: 17px; background: #1e4e63; border-radius: 3px; }
.bucket span { margin-top: 27px; color: var(--white); }
.bucket small { color: rgba(255,255,255,.75); }
.twin-tube { position: relative; z-index: 2; width: 105px; height: 220px; padding: 22px 11px; color: var(--white); background: #8a6432; border-radius: 9px 9px 4px 4px; transform: rotate(6deg); box-shadow: 38px 8px 0 #c29954; }
.twin-tube::before { content: ""; position: absolute; top: -38px; left: 21px; width: 63px; height: 43px; background: #383934; clip-path: polygon(25% 0,75% 0,75% 45%,100% 45%,100% 100%,0 100%,0 45%,25% 45%); }
.twin-tube b { font-family: serif; letter-spacing: .1em; }
.twin-tube span { display: block; margin-top: 65px; font: 800 24px Arial; }
.twin-tube small { font-weight: 700; }
.product-info { align-self: center; padding-right: 10px; }
.product-code { margin: 0 0 12px; color: var(--orange); font: 700 9px Arial; letter-spacing: .13em; }
.product-info h3 { margin: 0 0 15px; font-size: 27px; }
.product-info > p:last-child { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.card-actions { grid-column: 1/-1; display: grid; grid-template-columns: 1fr 1fr; align-items: center; border-top: 1px solid #d5d7d2; }
.card-actions button, .card-actions a { min-height: 55px; display: flex; align-items: center; justify-content: center; gap: 9px; border: 0; background: transparent; cursor: pointer; font-size: 12px; font-weight: 700; }
.card-actions button { border-right: 1px solid #d5d7d2; }
.card-actions button span { width: 23px; height: 23px; display: grid; place-items: center; padding-left: 1px; color: var(--white); background: var(--orange); border-radius: 50%; font-size: 7px; }
.card-actions a span { color: var(--orange); font-size: 18px; }
.center-action { margin-top: 48px; text-align: center; }

.solutions { color: var(--white); background: var(--ink); overflow: hidden; }
.solutions-copy { display: grid; grid-template-columns: 1fr 1fr; column-gap: 80px; }
.solutions-copy .section-kicker { grid-column: 1/-1; }
.solutions-copy p { align-self: end; margin: 0 0 8px; max-width: 450px; color: rgba(255,255,255,.58); font-size: 15px; line-height: 1.9; }
.solution-tabs { margin-top: 80px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.17); }
.solution-tab { position: relative; padding: 25px 24px 28px 0; display: grid; grid-template-columns: 44px 1fr; text-align: left; color: rgba(255,255,255,.47); border: 0; border-bottom: 1px solid rgba(255,255,255,.17); background: transparent; cursor: pointer; }
.solution-tab::after { content: ""; position: absolute; bottom: -1px; left: 0; width: 0; height: 3px; background: var(--orange); transition: width .35s; }
.solution-tab.active { color: var(--white); }
.solution-tab.active::after { width: 100%; }
.solution-tab span { grid-row: 1/3; color: var(--orange); font: 700 10px Arial; }
.solution-tab strong { font-size: 17px; }
.solution-tab small { margin-top: 7px; color: rgba(255,255,255,.4); }
.solution-stage { min-height: 530px; display: grid; grid-template-columns: 1.35fr .65fr; margin-top: 55px; background: #2a322f; }
.room-graphic { position: relative; min-height: 530px; overflow: hidden; background: #d2c9ba; perspective: 700px; }
.wall { position: absolute; top: 0; height: 72%; background: repeating-linear-gradient(90deg,#d7d1c7 0,#d7d1c7 98px,#c4bdb2 100px); }
.wall-a { left: 0; width: 62%; transform-origin: left; transform: skewY(-4deg); }
.wall-b { right: 0; width: 42%; background: #bab2a6; clip-path: polygon(20% 0,100% 0,100% 100%,0 88%); }
.floor-plane { position: absolute; inset: 62% 0 0; background: repeating-linear-gradient(110deg,#87847c 0,#87847c 110px,#77756e 112px); clip-path: polygon(0 0,100% 12%,100% 100%,0 100%); }
.tile { position: absolute; z-index: 3; right: 20%; width: 180px; height: 180px; background: linear-gradient(145deg,#d9d4c8,#a9a396); border: 1px solid rgba(255,255,255,.5); box-shadow: 0 22px 35px rgba(0,0,0,.25); }
.tile-1 { top: 70px; transform: rotate(6deg); }
.tile-2 { top: 135px; right: 40%; transform: rotate(-7deg) scale(.88); }
.tile-3 { top: 235px; right: 12%; transform: rotate(15deg) scale(.72); }
.water-line { position: absolute; z-index: 4; bottom: 75px; left: 10%; width: 47%; height: 5px; background: #44758a; box-shadow: 0 0 30px 8px rgba(68,117,138,.4); transform: rotate(-4deg); }
.solution-detail { padding: 55px 48px; display: flex; flex-direction: column; justify-content: center; }
.detail-number { color: var(--orange); font: 700 10px Arial; letter-spacing: .14em; }
.solution-detail h3 { margin: 8px 0 15px; font-size: 28px; }
.detail-desc { color: rgba(255,255,255,.57); font-size: 13px; line-height: 1.8; }
.solution-detail ol { list-style: none; margin: 20px 0 35px; padding: 0; }
.solution-detail li { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 13px; }
.solution-detail li span { margin-right: 18px; color: rgba(255,255,255,.3); font: 700 9px Arial; }
.arrow-link.light { color: var(--white); border-color: rgba(255,255,255,.3); }

.academy-head { align-items: end; }
.academy-grid { margin-top: 70px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; }
.featured-video { padding: 0; text-align: left; border: 0; background: transparent; cursor: pointer; }
.featured-art { position: relative; height: 360px; overflow: hidden; background: linear-gradient(145deg,#dbd6c9,#9c9588); }
.featured-art::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg,transparent 45%,rgba(255,255,255,.23) 45%,rgba(255,255,255,.23) 48%,transparent 48%), linear-gradient(25deg,rgba(23,32,29,.25),transparent); }
.trowel-lines { position: absolute; right: -5%; bottom: -20%; width: 82%; height: 88%; background: repeating-linear-gradient(90deg,#585a55 0,#585a55 9px,#c3beb3 11px,#c3beb3 24px); transform: rotate(-11deg); clip-path: polygon(0 35%,100% 0,100% 100%,5% 90%); }
.large-play { position: absolute; z-index: 2; left: 50%; top: 50%; width: 72px; height: 72px; display: grid; place-items: center; padding-left: 5px; color: var(--white); background: var(--orange); border-radius: 50%; transform: translate(-50%,-50%); box-shadow: 0 0 0 13px rgba(255,255,255,.15); }
.featured-art em { position: absolute; left: 22px; top: 22px; padding: 8px 12px; color: var(--white); background: var(--ink); font-size: 10px; font-style: normal; letter-spacing: .1em; }
.featured-meta { padding-top: 26px; }
.featured-meta > span { color: var(--orange); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.featured-meta h3 { margin: 10px 0; font-size: 24px; }
.featured-meta p { margin: 0; color: var(--muted); font-size: 13px; }
.lesson-list { border-top: 1px solid var(--line); }
.lesson { width: 100%; min-height: 145px; padding: 22px 6px; display: grid; grid-template-columns: 44px 1fr 32px; gap: 16px; align-items: center; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: transparent; cursor: pointer; transition: padding .25s, background .25s; }
.lesson:hover { padding-left: 16px; background: rgba(255,255,255,.6); }
.lesson-no { align-self: start; color: #9ba09d; font: 700 10px Arial; }
.lesson small { color: var(--orange); font-size: 10px; }
.lesson h3 { margin: 8px 0; font-size: 18px; }
.lesson p { margin: 0; color: var(--muted); font-size: 12px; }
.lesson i { width: 31px; height: 31px; display: grid; place-items: center; color: var(--white); background: var(--ink); border-radius: 50%; font-size: 8px; font-style: normal; }

.service { color: var(--white); background: #28322e; }
.service-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; }
.service-cards { display: grid; grid-template-columns: repeat(2,1fr); }
.service-cards a { min-height: 175px; padding: 34px 28px; display: grid; grid-template-columns: 42px 1fr 20px; gap: 16px; border-left: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); transition: background .25s; }
.service-cards a:hover { background: var(--orange); }
.service-icon { font: 300 28px serif; color: var(--orange); }
.service-cards a:hover .service-icon { color: var(--white); }
.service-cards h3 { margin: 0 0 10px; font-size: 17px; }
.service-cards p { margin: 0; color: rgba(255,255,255,.45); font-size: 12px; line-height: 1.6; }
.service-cards i { font-size: 18px; font-style: normal; }

.contact { padding-block: 110px; }
.contact-panel { padding: 75px 80px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; color: var(--white); background: #ddd3c2; position: relative; overflow: hidden; }
.contact-panel::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 15% 20%,rgba(231,85,33,.42),transparent 26%), linear-gradient(115deg,#18211e 0,#27342f 48%,#48544e 100%); }
.contact-panel > * { position: relative; z-index: 1; }
.contact-copy > p:last-child { max-width: 380px; color: rgba(255,255,255,.55); font-size: 14px; line-height: 1.9; }
.contact-facts { margin-top: 35px; padding-top: 25px; display: grid; gap: 18px; border-top: 1px solid rgba(255,255,255,.18); }
.contact-facts a, .contact-facts p { margin: 0; display: grid; gap: 5px; }
.contact-facts small { color: rgba(255,255,255,.42); font-size: 9px; letter-spacing: .12em; }
.contact-facts strong { color: var(--white); font: 600 25px Arial; letter-spacing: .04em; }
.contact-facts span { color: rgba(255,255,255,.72); font-size: 12px; line-height: 1.7; }
.contact-form { display: grid; grid-template-columns: repeat(2,1fr); gap: 26px; }
.contact-form label { display: grid; gap: 9px; }
.website-field { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-form label span { color: rgba(255,255,255,.58); font-size: 11px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 0; color: var(--white); border: 0; border-bottom: 1px solid rgba(255,255,255,.3); outline: none; background: transparent; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--orange); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,.32); }
.full { grid-column: 1/-1; }
.privacy-consent { margin: -10px 0 0; display: flex !important; grid-template-columns: 16px 1fr; align-items: start; gap: 9px !important; color: rgba(255,255,255,.52); font-size: 10px; line-height: 1.7; }
.privacy-consent input { width: 15px; margin-top: 2px; accent-color: var(--orange); }
.privacy-consent a { color: #fff; text-decoration: underline; text-underline-offset: 2px; }
.preserve-lines { white-space: pre-line; }

.site-footer { padding-top: 80px; color: rgba(255,255,255,.65); background: #111815; }
.footer-main { padding-bottom: 65px; display: grid; grid-template-columns: 1.4fr repeat(3,.7fr) .55fr; gap: 55px; }
.footer-brand .brand { color: var(--white); }
.footer-brand > p { margin: 28px 0 0; font-size: 12px; line-height: 1.9; }
.footer-col { display: flex; flex-direction: column; gap: 13px; font-size: 12px; }
.footer-col h3 { margin: 4px 0 10px; color: var(--white); font-size: 14px; }
.footer-col a:hover { color: var(--orange); }
.footer-qr { text-align: center; font-size: 10px; line-height: 1.7; }
.qr-placeholder { width: 86px; height: 86px; margin: 0 auto 10px; padding: 7px; display: grid; place-items: center; color: var(--ink); background: repeating-conic-gradient(#17201d 0 25%,#fff 0 50%) 0/12px 12px; border: 6px solid var(--white); }
.qr-placeholder.real-qr { padding: 0; object-fit: cover; background: var(--white); }
.qr-placeholder span { padding: 4px; font-weight: 800; background: var(--white); }
.footer-bottom { min-height: 70px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.1); font-size: 10px; }
.footer-bottom div { display: flex; gap: 24px; }

.search-drawer { position: fixed; z-index: 200; inset: 0; padding: 15vh 10vw; visibility: hidden; opacity: 0; color: var(--white); background: rgba(19,28,25,.98); transition: .25s; }
.search-drawer.open { visibility: visible; opacity: 1; }
.search-close, .modal-close { position: absolute; top: 34px; right: 44px; color: inherit; border: 0; background: transparent; font-size: 40px; cursor: pointer; }
.search-drawer > div { max-width: 950px; margin: auto; }
.search-drawer p { color: var(--orange); font: 700 10px Arial; letter-spacing: .25em; }
.search-drawer input { width: 100%; padding: 25px 0; color: var(--white); border: 0; border-bottom: 1px solid rgba(255,255,255,.4); outline: none; background: transparent; font-size: clamp(25px,4vw,54px); }
.search-drawer small { display: block; margin-top: 25px; color: rgba(255,255,255,.35); }
.video-modal { position: fixed; z-index: 300; inset: 0; display: grid; place-items: center; visibility: hidden; opacity: 0; transition: .25s; }
.video-modal.open { visibility: visible; opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; border: 0; background: rgba(10,15,13,.8); backdrop-filter: blur(5px); }
.modal-card { position: relative; width: min(920px,calc(100vw - 36px)); max-height: 94vh; padding: 34px; overflow: auto; background: var(--white); transform: translateY(20px); transition: transform .35s var(--ease); }
.video-modal.open .modal-card { transform: none; }
.modal-close { top: 10px; right: 17px; z-index: 2; color: var(--white); font-size: 30px; }
.video-placeholder { width: 100%; aspect-ratio: 16/9; position: relative; display: grid; place-items: center; overflow: hidden; color: var(--white); background: linear-gradient(135deg,#29342f,#111815); }
.video-placeholder.has-video { width: min(100%,calc(62vh * var(--video-ratio-number,1.7778))); aspect-ratio: var(--video-aspect,16/9); display: block; margin-inline: auto; background: #050806; }
.video-placeholder video, .video-placeholder iframe { width: 100%; height: 100%; display: block; border: 0; background: #050806; object-fit: contain; }
.video-placeholder > span { z-index: 2; width: 62px; height: 62px; display: grid; place-items: center; padding-left: 4px; background: var(--orange); border-radius: 50%; }
.video-wave { position: absolute; inset: 0; display: flex; align-items: center; justify-content: space-around; opacity: .14; }
.video-wave i { width: 2px; height: 65%; background: var(--white); transform: rotate(25deg); }
.modal-kicker { margin: 25px 0 7px; color: var(--orange); font: 700 9px Arial; letter-spacing: .18em; }
.modal-card h2 { margin: 0; font-size: 28px; }
.modal-message { color: var(--muted); font-size: 13px; line-height: 1.8; }
.modal-tip { margin-top: 22px; padding: 15px; display: grid; gap: 4px; background: #f3f2ed; }
.modal-tip span { font-size: 12px; font-weight: 700; }
.modal-tip small { color: var(--muted); font-size: 10px; }
.toast { position: fixed; z-index: 400; left: 50%; bottom: -100px; padding: 15px 24px; color: var(--white); background: var(--ink); transform: translateX(-50%); transition: bottom .35s var(--ease); box-shadow: 0 10px 35px rgba(0,0,0,.2); }
.toast.show { bottom: 30px; }

@media (max-width: 1050px) {
  :root { --wrap: min(100% - 48px, 920px); }
  .site-header { padding-inline: 24px; }
  .desktop-nav, .header-consult { display: none; }
  .menu-button { display: grid; }
  .site-header.menu-active { color: var(--white); background: var(--ink); border-color: rgba(255,255,255,.15); }
  .menu-active .menu-button span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-active .menu-button span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .section { padding-block: 100px; }
  .product-card { grid-template-columns: 44% 56%; padding: 24px; }
  .product-visual { min-height: 310px; transform: scale(.9); }
  .service-grid { gap: 50px; }
  .contact-panel { padding: 60px 48px; gap: 50px; }
  .footer-main { grid-template-columns: 1.3fr repeat(3,.7fr); }
  .footer-qr { display: none; }
}

@media (max-width: 760px) {
  :root { --wrap: calc(100vw - 34px); }
  .section { padding-block: 76px; }
  .site-header { height: 68px; padding-inline: 17px; }
  .site-header.scrolled { height: 64px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-name strong { font-size: 21px; }
  .search-button { display: none; }
  .mobile-panel { padding: 90px 22px 40px; }
  .header-language { display: none; }
  .mobile-language { display: inline-flex; align-self: flex-start; margin-bottom: 22px; border-color: rgba(255,255,255,.28); }
  .mobile-language button { min-width: 58px; height: 34px; font-size: 12px; }
  .hero { min-height: 720px; max-height: none; }
  .hero-backdrop { background-image: linear-gradient(90deg,rgba(9,13,11,.88),rgba(9,13,11,.35)), linear-gradient(0deg,rgba(9,13,11,.55),transparent 45%), var(--hero-image, url("assets/baofu-construction-hero.png")); background-position: 64% center; }
  .hero-content { padding-top: 155px; }
  .hero h1 { font-size: clamp(48px,15vw,70px); }
  .hero-copy { max-width: 92%; margin-top: 24px; font-size: 14px; line-height: 1.8; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; margin-top: 32px; }
  .hero-foot { bottom: 20px; }
  .hero-scroll { display: none; }
  .hero-proof small { max-width: 210px; }
  .section-kicker { margin-bottom: 28px; }
  .intro-grid, .section-head, .solutions-copy, .academy-grid, .service-grid, .contact-panel { grid-template-columns: 1fr; gap: 35px; }
  .intro h2, .section-head h2, .solutions h2, .service h2, .contact h2 { font-size: 44px; }
  .intro-copy > p { font-size: 15px; }
  .principles { margin-top: 60px; grid-template-columns: 1fr; }
  .principles article, .principles article:not(:first-child) { min-height: 0; padding: 28px 5px; border-right: 0; border-bottom: 1px solid var(--line); }
  .principles article:last-child { border-bottom: 0; }
  .section-head > p { max-width: 90%; }
  .filter-row { margin-top: 40px; margin-right: -17px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 510px; grid-template-columns: 46% 54%; padding: 20px; }
  .product-visual { min-height: 295px; transform: scale(.82); }
  .product-info h3 { font-size: 22px; }
  .solution-tabs { grid-template-columns: 1fr; margin-top: 50px; }
  .solution-tab { padding-left: 0; }
  .solution-stage { grid-template-columns: 1fr; }
  .room-graphic { min-height: 320px; }
  .solution-detail { padding: 38px 28px; }
  .academy-grid { margin-top: 45px; }
  .featured-art { height: 270px; }
  .lesson { min-height: 130px; }
  .service-cards { grid-template-columns: 1fr; }
  .service-cards a { min-height: 145px; border-left: 0; }
  .contact { width: 100%; padding-block: 0; }
  .contact-panel { padding: 65px 24px; }
  .contact-form { grid-template-columns: 1fr; }
  .contact-form > * { grid-column: 1; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; padding-bottom: 20px; }
  .footer-col:nth-of-type(4) { display: none; }
  .footer-bottom { padding: 22px 0; align-items: flex-start; flex-direction: column; gap: 14px; }
  .footer-bottom div { gap: 15px; }
  .modal-card { padding: 20px; }
  .video-placeholder.has-video { width: min(100%,calc(58vh * var(--video-ratio-number,1.7778))); }
}

html[lang="en"] .desktop-nav { gap: 27px; }
html[lang="en"] .hero h1 { max-width: 820px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(52px,5.6vw,86px); }
html[lang="en"] .intro h2,
html[lang="en"] .section-head h2,
html[lang="en"] .solutions h2,
html[lang="en"] .service h2,
html[lang="en"] .contact h2 { letter-spacing: -.045em; }

@media (max-width: 760px) {
  html[lang="en"] .hero h1 { font-size: clamp(45px,13vw,62px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}