/* 房哥房姐官网 Stage02：立体视觉素材整合与响应式美化（不改变原品牌素材） */
:root{--brand:#147d59;--brand-deep:#0b5942;--ink:#172f27;--muted:#697e72;--soft:#f6f8f5;--line:#e6ede8;--cream:#faf7f1;--shadow:0 15px 50px rgba(38,79,60,.07)}
body{background:#fff;color:var(--ink)}
.section-pad{padding:104px 0}.site-container{width:min(calc(100% - 70px),1460px)}
.section-kicker{font-size:11px;color:#218b69;letter-spacing:2.2px;font-weight:750}
.section-title h2{font-size:clamp(28px,2.45vw,40px);font-weight:800;letter-spacing:-1px;line-height:1.38}
.section-title p{font-size:15px;max-width:720px;margin-inline:auto}
.header-wrap{background:rgba(255,255,255,.97);border-bottom:1px solid rgba(227,236,230,.95)}
.navbar{min-height:82px}.brand-mark{height:56px;width:56px}.brand-words strong{font-size:24px}.navbar .nav-link{font-weight:650}
.btn-brand{border-radius:999px;background:#12835c;border-color:#12835c;padding-left:25px;padding-right:25px;box-shadow:0 8px 18px rgba(21,123,87,.13)}
.btn-outline-brand{border-radius:999px;padding-left:25px;padding-right:25px}
.hero{background:linear-gradient(180deg,#f8faf7 0%,#fbfaf6 62%,#f7faf7 100%);padding:123px 0 85px}
.hero .glow-one{opacity:.36}.hero .glow-two{opacity:.17}
.hero-main{min-height:520px}.hero-copy{padding-bottom:0;position:relative;z-index:2}
.hero h1{font-size:clamp(55px,4.8vw,83px);letter-spacing:-2.4px;margin-bottom:20px;line-height:1.17}
.hero h1 em{color:#14805b}.hero-lead{font-size:clamp(19px,1.5vw,25px)}.hero-desc{line-height:2;max-width:580px;color:#64776c}
.eyebrow{background:#e7f2eb;color:#367455;padding:9px 17px;margin-bottom:27px;letter-spacing:0}
.hero-photo-panel{position:relative;height:515px;display:flex;align-items:center;justify-content:center;margin-right:-25px;isolation:isolate}
.hero-photo{display:block;object-fit:cover;object-position:69% center;width:100%;height:100%;border-radius:38px;box-shadow:0 19px 55px rgba(81,97,76,.085)}
.hero-photo-panel:before{content:"";position:absolute;inset:0;z-index:1;border-radius:38px;background:linear-gradient(90deg,rgba(249,250,246,.35),transparent 22%);pointer-events:none}
.hero-photo-note{position:absolute;z-index:2;left:23px;bottom:23px;display:flex;align-items:center;gap:8px;padding:11px 16px;border:1px solid rgba(255,255,255,.8);border-radius:100px;background:rgba(255,255,255,.9);color:#3c7058;font-weight:700;font-size:12px;box-shadow:0 10px 28px rgba(24,69,45,.07);backdrop-filter:blur(10px)}
.note-green-dot{width:8px;height:8px;background:#3baa7b;border-radius:50%}
.hero-highlights{font-size:13px;margin-top:28px}
.qr-section{padding-top:34px}.qr-heading{margin-bottom:27px}.qr-heading h2{font-size:29px}
.qr-card{border-color:#eaf0e9;background:rgba(255,255,255,.97);padding:24px 25px 23px;border-radius:22px;box-shadow:0 14px 42px rgba(48,84,56,.07)}
.qr-image-frame{margin:7px auto 6px;padding:9px;border:none}.qr-image-frame img{width:193px;height:193px}
.qr-info h3{font-size:18px}.qr-hint{color:#668174}
/* Feature illustration cards */
.capabilities{background:linear-gradient(180deg,#fff,#fdfefa)}
.feature-grid{align-items:stretch}.feature-illustrated{border:1px solid #edf1e9;border-radius:21px;padding:23px 15px 26px;min-height:300px;background:#fff;box-shadow:0 10px 30px rgba(38,73,55,.05);display:flex;align-items:center;flex-direction:column;justify-content:flex-start}
.feature-art{height:140px;width:100%;display:flex;align-items:center;justify-content:center;margin-bottom:13px}
.feature-art img{max-height:142px;max-width:98%;width:auto;object-fit:contain;filter:drop-shadow(0 6px 8px rgba(29,68,48,.055))}
.feature-illustrated h3{white-space:normal;font-size:16px;font-weight:800;margin:2px 0 10px;line-height:1.4}
.feature-illustrated p{color:#697c71;font-size:12px;line-height:1.85;margin:0;max-width:210px}
/* Ecosystem illustration + two product cards */
.ecosystem-v2{background:#f7faf7}.ecosystem-visual{position:relative;overflow:hidden;background:#f9f7ef;border-radius:30px;margin:0 0 32px;border:1px solid #e9eee4;box-shadow:0 18px 50px rgba(47,77,55,.055)}
.ecosystem-visual img{display:block;width:100%;height:clamp(345px,35vw,595px);object-fit:cover;object-position:center 50%}
.ecosystem-visual figcaption{position:absolute;right:21px;bottom:15px;font-size:11px;color:#71887a;background:rgba(255,255,255,.81);padding:8px 13px;border-radius:100px}
.app-entry-card{height:100%;min-height:405px;background:linear-gradient(130deg,#e9f3ec,#f8fbf8);border-radius:26px;border:1px solid #e1ebe4;display:grid;grid-template-columns:54% 46%;overflow:hidden;position:relative;box-shadow:0 12px 38px rgba(30,77,54,.045)}
.tenant-entry{background:linear-gradient(130deg,#f9f0ea,#fefbf7);border-color:#f0e8df}
.app-entry-copy{padding:38px 0 30px 37px;position:relative;z-index:2}
.app-entry-type{display:block;color:#4e8a69;font-size:10px;letter-spacing:1.4px;font-weight:800;margin-bottom:16px}
.tenant-entry .app-entry-type{color:#b07866}.app-entry-copy h3{font-size:33px;font-weight:800;margin:0 0 12px}
.app-entry-copy p{line-height:1.9;font-size:13px;color:#63786d;max-width:280px;margin-bottom:23px}
.app-entry-copy ul{margin:0;padding:0;list-style:none}.app-entry-copy li{font-size:13px;margin-bottom:12px;color:#465e51;font-weight:600;display:flex;gap:10px;align-items:center}
.app-entry-copy li:before{content:"✓";font-weight:900;background:#d6eadd;color:#15805d;border-radius:50%;display:inline-grid;place-items:center;flex:0 0 19px;height:19px;font-size:12px}
.app-entry-copy a{display:inline-block;margin-top:14px;color:#157e58;font-weight:750;font-size:13px;text-decoration:none;border-bottom:1px solid rgba(21,126,88,.25);padding-bottom:3px}
.app-entry-image{height:405px;display:flex;align-items:flex-end;justify-content:center;padding-top:10px;position:relative}
.app-entry-image img{height:99%;max-height:405px;width:130%;max-width:none;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 14px 10px rgba(15,54,36,.07))}
/* Illustrated journey */
.how-section{background:#fff}.process-v2>.col-md{min-width:0}
.process-v2 .process-card{padding:31px 15px 24px;min-height:300px;background:#fff;border:1px solid #e9f0e9;border-radius:24px;box-shadow:0 10px 32px rgba(29,76,48,.055)}
.process-v2 .process-card:after{display:none}
.process-v2 .step-num{z-index:2;top:-17px;width:39px;height:39px;line-height:39px;border-radius:50%;font-size:12px;background:linear-gradient(135deg,#209c70,#0e7754);box-shadow:0 7px 14px rgba(8,112,75,.18)}
.step-art{height:157px;margin-bottom:10px;display:flex;align-items:center;justify-content:center}
.step-art img{max-width:100%;height:155px;width:auto;object-fit:contain}
.process-v2 .process-card h3{font-size:17px;font-weight:800;margin:9px 0 9px}
.process-v2 .process-card p{font-size:12px;line-height:1.8;color:#718479;margin:0 auto;max-width:190px}
/* Showcase image */
.product-showcase{background:linear-gradient(105deg,#f6f6f0,#f8fbf8 70%)}
.showcase-heading{font-size:clamp(31px,2.6vw,43px);line-height:1.48}.showcase-desc{color:#697c70}
.showcase-list{margin-top:29px}.showcase-list li{color:#4b6454;margin-bottom:17px}
.showcase-visual{margin:0 -25px 0 0;position:relative}
.showcase-visual img{width:100%;height:auto;display:block;border-radius:28px;box-shadow:0 15px 50px rgba(57,79,60,.09)}
.showcase-visual figcaption{position:absolute;bottom:14px;right:14px;padding:6px 11px;background:rgba(255,255,255,.91);font-size:10px;color:#6b7f72;border-radius:100px}
/* Smart living */
.smart-scene{background:#fff}.smart-scene-image{position:relative;border-radius:28px;overflow:hidden;box-shadow:0 15px 45px rgba(36,74,55,.09);background:#f5f9f4}
.smart-scene-image img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}
.smart-copy{padding-left:28px}.smart-copy h2{font-size:clamp(29px,2.5vw,42px);line-height:1.44;font-weight:800;margin-bottom:20px;letter-spacing:-.8px}
.smart-copy h2 em{font-style:normal;color:#12805a}.smart-copy>p{font-size:15px;color:#687c70;line-height:2;max-width:580px}
.smart-details{display:grid;gap:15px;margin-top:30px}.smart-details>div{display:flex;gap:14px;align-items:center}
.smart-mini-icon{width:47px;height:47px;border-radius:15px;background:#eaf5ed;color:#15805a;display:grid;place-items:center;flex-shrink:0}
.smart-mini-icon .icon{width:24px;height:24px}.smart-details strong{font-size:14px;font-weight:800;display:block;margin-bottom:6px}.smart-details small{font-size:12px;color:#7c8e81}
/* Trust / advantages */
.advantages{background:linear-gradient(180deg,#f9faf7,#fff)}.benefits-row{align-items:stretch}
.illustrated-adv{height:100%;display:flex;flex-direction:column;align-items:center;text-align:center;padding:24px 15px 28px;min-height:319px;border:1px solid #e9efe8;border-radius:22px;background:#fff;box-shadow:0 11px 30px rgba(33,77,51,.05)}
.adv-art{height:177px;width:100%;display:grid;place-items:center;margin-bottom:8px}.adv-art img{max-width:100%;max-height:172px;object-fit:contain}
.illustrated-adv h3{font-size:18px;font-weight:800;margin:6px 0 12px}.illustrated-adv p{font-size:13px;color:#718075;line-height:1.85;margin:0;max-width:240px}
.bottom-cta{background:linear-gradient(110deg,#0a5a40,#13835d);color:#fff}
.site-footer{background:#143b2e}.footer-brand strong{color:#ead09a}
@media(max-width:1399.98px){.hero h1{font-size:clamp(53px,4.4vw,72px)}.hero-photo-panel{height:445px}.app-entry-copy{padding:28px 0 25px 25px}.app-entry-card{min-height:365px}.app-entry-image{height:365px}.app-entry-image img{max-height:365px}.feature-illustrated{padding:24px 18px;min-height:285px}.feature-art{height:130px}.feature-art img{max-height:130px}.showcase-visual{margin:0}.process-v2 .process-card{min-height:275px}.step-art{height:135px}.step-art img{height:133px}}
@media(max-width:991.98px){.site-container{width:min(calc(100% - 44px),900px)}.section-pad{padding:79px 0}.hero{padding-top:106px}.hero-main{min-height:unset}.hero-photo-panel{margin:0 auto;height:430px;max-width:720px}.hero-copy{text-align:center}.hero-highlights{justify-content:center}.hero-illustration{height:auto}.hero h1{font-size:clamp(48px,7vw,69px)}.hero-desc{max-width:700px}.hero-photo{object-position:70%}.qr-section{padding-top:45px}.qr-card{padding:16px 13px}.qr-info{display:block;text-align:center;min-height:99px}.qr-icon{margin:0 auto 7px}.qr-info h3{font-size:16px}.qr-info p{font-size:11px}.qr-image-frame img{width:158px;height:158px}.ecosystem-visual img{height:440px}.app-entry-card{min-height:390px}.app-entry-image{height:390px}.app-entry-image img{max-height:390px}.process-v2 .process-card{min-height:280px}.showcase-visual{margin:0 auto;max-width:800px}.smart-copy{padding-left:0}.smart-scene-image img{max-height:540px}}
@media(max-width:767.98px){.site-container{width:calc(100% - 34px)}.section-pad{padding:65px 0}.section-title{margin-bottom:31px}.section-title h2{font-size:27px}.section-title p{font-size:13px}.hero{padding-top:100px;padding-bottom:62px}.hero h1{font-size:clamp(45px,10vw,63px);letter-spacing:-1.5px}.hero-desc{font-size:14px}.hero-photo-panel{height:335px}.hero-photo{border-radius:22px}.hero-photo-panel:before{border-radius:22px}.hero-photo-note{left:12px;bottom:12px;font-size:10px;padding:7px 11px}.qr-card{padding:20px 18px}.qr-info{display:flex;text-align:left;min-height:55px}.qr-icon{margin:0}.qr-image-frame img{height:190px;width:190px}.feature-illustrated{min-height:259px;padding:16px 12px 23px}.feature-art{height:115px;margin-bottom:10px}.feature-art img{max-height:115px}.feature-illustrated h3{font-size:14px}.feature-illustrated p{font-size:11px;line-height:1.75}.ecosystem-visual{border-radius:18px;margin-bottom:20px}.ecosystem-visual img{height:auto;aspect-ratio:1.35;object-fit:cover}.ecosystem-visual figcaption{font-size:9px;right:9px;bottom:8px}.app-entry-card{min-height:330px;grid-template-columns:53% 47%}.app-entry-copy{padding:25px 0 25px 22px}.app-entry-copy h3{font-size:26px}.app-entry-copy p{font-size:12px;margin-bottom:13px}.app-entry-copy li{font-size:11px;margin-bottom:9px}.app-entry-copy a{font-size:11px}.app-entry-image{height:330px}.app-entry-image img{max-height:330px}.process-v2 .process-card{min-height:266px;padding:28px 11px 20px}.step-art{height:132px}.step-art img{height:126px}.process-v2 .process-card h3{font-size:15px}.process-v2 .process-card p{font-size:11px}.product-showcase{padding-top:70px}.showcase-visual figcaption{font-size:8px}.smart-copy h2{font-size:30px}.smart-copy>p{font-size:13px}.illustrated-adv{min-height:280px}.adv-art{height:150px}.adv-art img{max-height:148px}}
@media(max-width:479.98px){.site-container{width:calc(100% - 28px)}.brand-mark{width:43px;height:43px}.hero h1{font-size:clamp(41px,10.8vw,53px)}.hero-lead{font-size:17px}.hero-desc{font-size:13px}.hero-photo-panel{height:264px}.hero-photo{object-position:73%}.hero-photo-note{font-size:9px}.qr-section{padding-top:29px}.qr-card{padding:16px 18px}.qr-heading h2{font-size:23px}.qr-image-frame img{width:186px;height:186px}.feature-illustrated{min-height:260px;padding:13px 10px 20px}.feature-art{height:106px}.feature-art img{max-height:105px}.feature-illustrated h3{font-size:14px}.feature-illustrated p{font-size:11px}.ecosystem-visual img{aspect-ratio:1.22;object-fit:cover}.app-entry-card{grid-template-columns:57% 43%;min-height:291px}.app-entry-copy{padding:20px 0 21px 15px}.app-entry-type{font-size:8px;letter-spacing:.7px;margin-bottom:10px}.app-entry-copy h3{font-size:23px}.app-entry-copy p{font-size:11px;line-height:1.6}.app-entry-copy li{font-size:10px;margin-bottom:7px}.app-entry-copy a{font-size:10px;margin-top:8px}.app-entry-image{height:291px}.app-entry-image img{max-height:285px;width:155%}.process-v2 .process-card{min-height:238px;padding:25px 8px 20px}.step-art{height:109px}.step-art img{height:104px}.process-v2 .process-card h3{font-size:14px}.process-v2 .process-card p{font-size:10px}.showcase-visual img{border-radius:18px}.showcase-visual figcaption{font-size:8px;position:static;text-align:center;background:transparent;display:block}.smart-scene-image{border-radius:19px}.smart-copy h2{font-size:27px}.illustrated-adv{min-height:262px;padding:18px 9px 22px}.adv-art{height:132px}.adv-art img{max-height:128px}.illustrated-adv h3{font-size:15px}.illustrated-adv p{font-size:11px}}
@media(prefers-reduced-motion:reduce){.feature-card,.qr-card{transition:none}}