:root{--color-primary: #1a1a2e;--color-primary-light: #28284a;--color-accent: #c9a96e;--color-accent-light: #d9b97e;--color-accent-dark: #a88a52;--color-bg: #faf9f7;--color-bg-alt: #f3f1ed;--color-bg-dark: #1a1a2e;--color-text: #2c2c2c;--color-text-light: #666666;--color-text-muted: #999999;--color-white: #ffffff;--color-border: #e5e3df;--color-overlay: rgba(26, 26, 46, .82);--font-heading: Georgia, "Songti SC", "SimSun", serif;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;--space-xs: .5rem;--space-sm: 1rem;--space-md: 2rem;--space-lg: 4rem;--space-xl: 6rem;--max-width: 1200px;--nav-height: 72px;--transition-fast: .2s ease;--transition-base: .3s ease;--transition-slow: .6s ease;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 4px 20px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .15);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height);font-size:16px}body{font-family:var(--font-body);color:var(--color-text);background-color:var(--color-bg);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,picture,video{max-width:100%;display:block}a{text-decoration:none;color:inherit}ul,ol{list-style:none}button,input,textarea,select{font-family:inherit;font-size:inherit;border:none;outline:none}button{cursor:pointer;background:none}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3}::selection{background-color:var(--color-accent);color:var(--color-white)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg-alt)}::-webkit-scrollbar-thumb{background:var(--color-accent);border-radius:var(--radius-sm)}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-md)}.section{padding:var(--space-xl) 0}.section--alt{background-color:var(--color-bg-alt)}.section__header{text-align:center;margin-bottom:var(--space-lg)}.section__label{display:inline-block;font-size:.85rem;letter-spacing:3px;text-transform:uppercase;color:var(--color-accent);font-weight:600;margin-bottom:var(--space-sm)}.section__title{font-size:2.4rem;color:var(--color-primary);margin-bottom:var(--space-sm)}.section__subtitle{font-size:1rem;color:var(--color-text-light);max-width:600px;margin:0 auto}.nav{position:fixed;top:0;left:0;width:100%;height:var(--nav-height);display:flex;align-items:center;z-index:1000;transition:background-color var(--transition-base),box-shadow var(--transition-base)}.nav--scrolled{background-color:#fffffffa;box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav__inner{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-md);display:flex;align-items:center;justify-content:space-between}.nav__logo{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--color-white);display:flex;align-items:center;gap:var(--space-xs);transition:color var(--transition-base)}.nav--scrolled .nav__logo{color:var(--color-primary)}.nav__logo i{color:var(--color-accent);font-size:1.3rem}.nav__links{display:flex;gap:2.2rem;align-items:center}.nav__link{font-size:.95rem;font-weight:500;color:#ffffffeb;position:relative;padding:.3rem 0;transition:color var(--transition-base)}.nav--scrolled .nav__link{color:var(--color-text)}.nav__link:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background-color:var(--color-accent);transition:width var(--transition-base)}.nav__link:hover{color:var(--color-accent)}.nav__link:hover:after{width:100%}.nav__cta{background-color:var(--color-accent);color:var(--color-white);padding:.6rem 1.6rem;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;transition:background-color var(--transition-base),transform var(--transition-fast)}.nav__cta:hover{background-color:var(--color-accent-dark);transform:translateY(-1px)}.nav__toggle{display:none;font-size:1.5rem;color:var(--color-white);cursor:pointer;transition:color var(--transition-base)}.nav--scrolled .nav__toggle{color:var(--color-primary)}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}.hero__bg{position:absolute;top:0;right:0;bottom:0;left:0;background-image:url(../images/hero.jpg);background-size:cover;background-position:center;z-index:0}.hero__overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,#1a1a2ee0,#1a1a2eb3,#c9a96e40);z-index:1}.hero__content{position:relative;z-index:2;max-width:800px;padding:var(--nav-height) var(--space-md) var(--space-lg)}.hero__label{display:inline-flex;align-items:center;gap:.5rem;font-size:.85rem;letter-spacing:4px;text-transform:uppercase;color:var(--color-accent);font-weight:600;margin-bottom:var(--space-md)}.hero__label:before,.hero__label:after{content:"";width:30px;height:1px;background-color:var(--color-accent)}.hero__title{font-size:3.2rem;color:var(--color-white);margin-bottom:var(--space-sm);line-height:1.25}.hero__title span{color:var(--color-accent)}.hero__subtitle{font-size:1.1rem;color:#fffc;margin-bottom:var(--space-lg);line-height:1.7}.hero__actions{display:flex;gap:var(--space-sm);justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 2rem;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;transition:all var(--transition-base)}.btn--primary{background-color:var(--color-accent);color:var(--color-white)}.btn--primary:hover{background-color:var(--color-accent-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn--ghost{background-color:transparent;color:var(--color-white);border:1.5px solid rgba(255,255,255,.4)}.btn--ghost:hover{border-color:var(--color-accent);color:var(--color-accent)}.hero__scroll{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);z-index:2;color:#fff9;font-size:1.5rem;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(10px)}}.stats{background-color:var(--color-primary);padding:var(--space-lg) 0}.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md);max-width:var(--max-width);margin:0 auto;padding:0 var(--space-md)}.stats__item{text-align:center}.stats__number{font-family:var(--font-heading);font-size:2.8rem;font-weight:700;color:var(--color-accent);line-height:1;margin-bottom:.4rem}.stats__label{font-size:.9rem;color:#ffffffb3;letter-spacing:1px}.products__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md)}.product-card{background-color:var(--color-white);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition-base),box-shadow var(--transition-base)}.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.product-card__visual{height:200px;display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--color-white);position:relative;overflow:hidden}.product-card__visual:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.15) 100%)}.product-card__visual--1{background:linear-gradient(135deg,#3a4a5c,#2c3e50)}.product-card__visual--2{background:linear-gradient(135deg,#b48494,#9c6b7d)}.product-card__visual--3{background:linear-gradient(135deg,#6a9a7b,#4a7a5b)}.product-card__visual--4{background:linear-gradient(135deg,#d4955c,#b87a3e)}.product-card__body{padding:var(--space-sm) var(--space-md) var(--space-md)}.product-card__title{font-size:1.2rem;color:var(--color-primary);margin-bottom:.4rem}.product-card__desc{font-size:.9rem;color:var(--color-text-light);line-height:1.6}.process__steps{display:flex;justify-content:space-between;position:relative;gap:var(--space-sm)}.process__steps:before{content:"";position:absolute;top:36px;left:8%;right:8%;height:2px;background:repeating-linear-gradient(90deg,var(--color-accent) 0,var(--color-accent) 6px,transparent 6px,transparent 12px)}.process__step{flex:1;text-align:center;position:relative;z-index:1}.process__step-icon{width:72px;height:72px;margin:0 auto var(--space-sm);border-radius:50%;background-color:var(--color-white);border:2px solid var(--color-accent);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--color-accent);transition:all var(--transition-base)}.process__step:hover .process__step-icon{background-color:var(--color-accent);color:var(--color-white);transform:scale(1.1)}.process__step-number{font-size:.8rem;color:var(--color-accent-dark);font-weight:600;letter-spacing:1px;margin-bottom:.3rem}.process__step-title{font-size:1rem;color:var(--color-primary);margin-bottom:.3rem;font-family:var(--font-body);font-weight:600}.process__step-desc{font-size:.82rem;color:var(--color-text-light);padding:0 .5rem}.advantages__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-md)}.advantage-card{background-color:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md);transition:all var(--transition-base)}.advantage-card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-3px)}.advantage-card__icon{width:52px;height:52px;border-radius:var(--radius-sm);background-color:var(--color-bg-alt);display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--color-accent);margin-bottom:var(--space-sm);transition:all var(--transition-base)}.advantage-card:hover .advantage-card__icon{background-color:var(--color-accent);color:var(--color-white)}.advantage-card__title{font-size:1.1rem;color:var(--color-primary);margin-bottom:.4rem}.advantage-card__desc{font-size:.9rem;color:var(--color-text-light);line-height:1.6}.about__inner{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg);align-items:center}.about__image-wrap{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}.about__image-wrap:before{content:"";position:absolute;top:-20px;left:-20px;width:100px;height:100px;border:3px solid var(--color-accent);border-radius:var(--radius-lg);z-index:1}.about__image{width:100%;height:420px;object-fit:cover}.about__content{padding-left:var(--space-sm)}.about__title{font-size:2rem;color:var(--color-primary);margin-bottom:var(--space-sm)}.about__text{font-size:.95rem;color:var(--color-text-light);line-height:1.8;margin-bottom:var(--space-md)}.about__features{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm);margin-bottom:var(--space-md)}.about__feature{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--color-text)}.about__feature i{color:var(--color-accent)}.btn--dark{background-color:var(--color-primary);color:var(--color-white)}.btn--dark:hover{background-color:var(--color-primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.cta{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);text-align:center;padding:var(--space-lg) 0;position:relative;overflow:hidden}.cta:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:500px;height:500px;border:1px solid rgba(201,169,110,.1);border-radius:50%}.cta__title{font-size:2rem;color:var(--color-white);margin-bottom:var(--space-sm);position:relative;z-index:1}.cta__subtitle{font-size:1rem;color:#ffffffb3;margin-bottom:var(--space-md);position:relative;z-index:1}.cta .btn--primary{position:relative;z-index:1}.footer{background-color:var(--color-primary);color:#ffffffb3;padding:var(--space-lg) 0 var(--space-md)}.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-md);max-width:var(--max-width);margin:0 auto;padding:0 var(--space-md);margin-bottom:var(--space-md)}.footer__brand-name{font-family:var(--font-heading);font-size:1.6rem;color:var(--color-white);margin-bottom:var(--space-sm);display:flex;align-items:center;gap:.5rem}.footer__brand-name i{color:var(--color-accent)}.footer__brand-desc{font-size:.9rem;line-height:1.7;max-width:300px;margin-bottom:var(--space-sm)}.footer__social{display:flex;gap:var(--space-sm)}.footer__social-link{width:40px;height:40px;border-radius:50%;background-color:#ffffff1a;display:flex;align-items:center;justify-content:center;color:#ffffffb3;transition:all var(--transition-base)}.footer__social-link:hover{background-color:var(--color-accent);color:var(--color-white)}.footer__col-title{font-size:1rem;color:var(--color-white);margin-bottom:var(--space-sm);font-weight:600}.footer__list li{margin-bottom:.6rem}.footer__list a{font-size:.9rem;color:#fff9;transition:color var(--transition-base)}.footer__list a:hover{color:var(--color-accent)}.footer__contact-item{display:flex;align-items:flex-start;gap:.6rem;font-size:.9rem;margin-bottom:.6rem}.footer__contact-item i{color:var(--color-accent);margin-top:3px}.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:var(--space-md);text-align:center;max-width:var(--max-width);margin:0 auto;padding-left:var(--space-md);padding-right:var(--space-md)}.footer__bottom p{font-size:.85rem;color:#fff6}.reveal{opacity:0;transition:opacity .8s ease,transform .8s ease}.reveal--up{transform:translateY(40px)}.reveal--left{transform:translate(-40px)}.reveal--right{transform:translate(40px)}.reveal--fade{transform:scale(.95)}.reveal.is-visible{opacity:1;transform:translate(0) scale(1)}.back-to-top{position:fixed;bottom:2rem;right:2rem;width:48px;height:48px;border-radius:50%;background-color:var(--color-accent);color:var(--color-white);display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all var(--transition-base);z-index:999;box-shadow:var(--shadow-md)}.back-to-top.is-visible{opacity:1;visibility:visible}.back-to-top:hover{background-color:var(--color-accent-dark);transform:translateY(-3px)}@media (max-width: 1024px){.products__grid,.advantages__grid{grid-template-columns:repeat(2,1fr)}.stats__grid{grid-template-columns:repeat(2,1fr);gap:var(--space-md) var(--space-sm)}.process__steps{flex-wrap:wrap;justify-content:center;gap:var(--space-md)}.process__steps:before{display:none}.process__step{flex:0 0 30%}.about__inner{grid-template-columns:1fr}.about__image{height:320px}.hero__title{font-size:2.5rem}}@media (max-width: 768px){.section{padding:var(--space-lg) 0}.section__title{font-size:1.8rem}.nav__toggle{display:block}.nav__links{position:fixed;top:var(--nav-height);left:0;width:100%;background-color:var(--color-white);flex-direction:column;padding:var(--space-md);gap:var(--space-sm);transform:translateY(-120%);transition:transform var(--transition-base);box-shadow:var(--shadow-md)}.nav__links--open{transform:translateY(0)}.nav--scrolled .nav__link,.nav__link{color:var(--color-text)}.nav__cta{width:100%;text-align:center;justify-content:center}.hero__title{font-size:2rem}.hero__subtitle{font-size:1rem}.hero__actions{flex-direction:column;align-items:center}.hero__actions .btn{width:100%;max-width:280px;justify-content:center}.products__grid,.advantages__grid{grid-template-columns:1fr}.stats__grid{grid-template-columns:1fr 1fr}.stats__number{font-size:2.2rem}.process__step{flex:0 0 45%}.about__features{grid-template-columns:1fr}.footer__grid{grid-template-columns:1fr;gap:var(--space-md)}.back-to-top{bottom:1rem;right:1rem}}