* {margin: 0;padding: 0;box-sizing: border-box;font-family: "Helvetica Neue", "Microsoft YaHei", Arial, sans-serif}
body {color: #333;background-color: #f5f7fa;line-height: 1.7;font-size: 14px;overflow-x: hidden}
a {text-decoration: none;color: #165dff}
.container {width: 100%;max-width: 1200px;margin: 0 auto;padding: 0 15px}
.header {background: white;box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);position: fixed;top: 0;left: 0;right: 0;z-index: 999;padding: 0 15px}
.nav-wrapper {display: flex;align-items: center;height: 80px;max-width: 1200px;margin: 0 auto;padding: 0 15px;gap: 15px}
.logo {display: flex;align-items: center;flex-shrink: 0;margin-right: auto}
.logo-img {width: auto;height: 55px;margin-right: 12px;border-radius: 8px;object-fit: contain}
.nav-menu {display: flex;list-style: none;gap: 15px;flex-wrap: nowrap;overflow-x: auto;padding: 0 10px;flex-shrink: 1;width: auto;white-space: nowrap;-webkit-overflow-scrolling: touch;scrollbar-width: none;-ms-overflow-style: none}
.nav-menu::-webkit-scrollbar {display: none}
.nav-item {flex-shrink: 0;position: relative;padding: 0 8px}
.nav-link {color: #333;font-size: 15px;font-weight: 500;padding: 10px 8px;display: block;transition: color 0.3s;white-space: nowrap}
.nav-link:hover {color: #165dff}
.nav-link.active {color: #165dff}
.nav-link.active::after {content: "";position: absolute;bottom: 0;left: 8px;width: calc(100% - 16px);height: 2px;background: #165dff}
.mobile-nav-toggle {display: block;font-size: 24px;color: #165dff;cursor: pointer;flex-shrink: 0}
@media (min-width: 500px) {.mobile-nav-toggle {display: none}}
@media (max-width: 499px) {body {min-width: 320px}.header, .nav-wrapper, .container {min-width: 320px}.nav-menu {position: fixed;top: 80px;left: -100%;flex-direction: column;background: white;width: 100%;box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);transition: left 0.3s ease;padding: 20px 0;overflow-x: hidden;z-index: 998}.nav-menu.active {left: 0}.nav-item {margin: 0;padding: 0 30px;width: 100%}.nav-link {padding: 15px 0;border-bottom: 1px solid #f0f0f0;width: 100%}.nav-link.active::after {display: none}.logo-text {font-size: 16px}}
@media (max-width: 576px) {.logo-img {width: 80px;height: 80px;font-size: 16px}.header {padding: 0 10px}}
.banner {width: 100%;min-height: 300px;height: clamp(300px, 50vh, 500px);background: linear-gradient(135deg, #165dff 0%, #0f49d1 100%);color: white;display: flex;align-items: center;justify-content: center;text-align: center;position: relative;overflow: hidden;margin-top: 80px;padding: 20px}
.banner::before {content: "";position: absolute;top: 0;left: 0;width: 100%;height: 100%;background: url("banner-bg.png") no-repeat center/cover;opacity: 0.1}
.banner-content {position: relative;z-index: 2;max-width: 100%}
.banner-title {font-size: clamp(24px, 5vw, 42px);font-weight: 700;margin-bottom: 20px;letter-spacing: 1px}
.swiper-container {width: 100%;height: 100%;position: relative}
.swiper-wrapper {width: 100%;height: 100%}
.swiper-slide {width: 100%;height: 100%;display: flex;align-items: center;justify-content: center}
.swiper-button-prev, .swiper-button-next {color: white;width: 40px;height: 40px;background: rgba(255, 255, 255, 0.2);border-radius: 50%;display: flex;align-items: center;justify-content: center}
.swiper-button-prev::after, .swiper-button-next::after {font-size: 16px;position: absolute;top: 50%;left: 50%;transform: translate(-50%, -50%)}
.swiper-button-prev:hover, .swiper-button-next:hover {background: rgba(255, 255, 255, 0.3)}
.swiper-pagination {bottom: 20px}
.swiper-pagination-bullet {width: 10px;height: 10px;background: rgba(255, 255, 255, 0.5);opacity: 1}
.swiper-pagination-bullet-active {background: white;width: 20px;border-radius: 5px}
.banner-subtitle {font-size: clamp(14px, 2vw, 18px);margin-bottom: 40px;opacity: 0.9}
.banner-tag {font-size: clamp(12px, 1.8vw, 16px);background: rgba(255, 255, 255, 0.2);padding: 8px 20px;border-radius: 30px;display: inline-block;margin: 0 5px 15px}
.section {padding: clamp(40px, 8vw, 80px) 0;scroll-margin-top: 90px}
.section-title {text-align: center;font-size: clamp(24px, 4vw, 32px);font-weight: 600;color: #1d2129;margin-bottom: 35px;position: relative}
.section-title::after {content: "";position: absolute;bottom: -8px;left: 50%;transform: translateX(-50%);width: 80px;height: 4px;background: linear-gradient(90deg, #165dff, #4080ff);border-radius: 2px}
.section-desc {text-align: center;font-size: clamp(14px, 2vw, 16px);color: #666;margin-bottom: clamp(30px, 6vw, 60px);max-width: 800px;margin-left: auto;margin-right: auto;padding: 0 15px}
.about-section {background: linear-gradient(180deg, #f5f7fa 0%, #e8f3ff 100%);position: relative;overflow: hidden}
.about-section::before {content: "";position: absolute;top: 0;right: 0;width: 50%;height: 100%;background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23165dff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");opacity: 0.5;z-index: 0}
.about-card {background: rgba(255, 255, 255, 0.85);backdrop-filter: blur(10px);border-radius: 12px;box-shadow: 0 8px 32px rgba(22, 93, 255, 0.1);padding: clamp(20px, 4vw, 40px);margin-bottom: 30px;border: 1px solid rgba(255, 255, 255, 0.5);position: relative;z-index: 1;transition: all 0.5s ease}
.about-card:hover {transform: translateY(-5px);box-shadow: 0 12px 40px rgba(22, 93, 255, 0.15)}
.about-card-title {font-size: clamp(18px, 3vw, 24px);color: #165dff;margin-bottom: 25px;padding-bottom: 20px;background: linear-gradient(90deg, #165dff, #4080ff);-webkit-background-clip: text;background-clip: text;color: transparent;font-weight: 700}
.about-intro {font-size: clamp(14px, 2vw, 16px);color: #333;line-height: 1.8;margin-bottom: 30px;text-align: justify}
.about-grid {display: grid;grid-template-columns:repeat(2, 1fr);gap: 20px}
@media (max-width: 1079px) {.about-grid {grid-template-columns:repeat(auto-fit, minmax(250px, 1fr))}}
.about-list-item {display: flex;align-items: center;padding: 15px;background: rgba(232, 243, 255, 0.5);border-radius: 8px;transition: all 0.3s ease}
.about-list-item:hover {background: rgba(232, 243, 255, 0.8);transform: translateX(5px)}
.about-item-icon {width: 40px;height: 40px;background: linear-gradient(135deg, #165dff, #4080ff);border-radius: 8px;display: flex;align-items: center;justify-content: center;margin-right: 15px;flex-shrink: 0;color: white;font-size: 18px}
.about-item-text {font-size: clamp(13px, 1.8vw, 15px);color: #1d2129;font-weight: 500}
.advantage-grid {display: grid;grid-template-columns:repeat(2, 1fr);gap: 30px}
@media (max-width: 1079px) {.advantage-grid {grid-template-columns:repeat(auto-fit, minmax(300px, 1fr))}}
.advantage-item {display: flex;align-items: flex-start;padding: 10px}
.advantage-icon {width: 48px;height: 48px;background: #e8f3ff;border-radius: 8px;display: flex;align-items: center;justify-content: center;margin-right: 20px;flex-shrink: 0}
.advantage-icon i {font-size: 24px;color: #165dff}
.advantage-content h4 {font-size: clamp(16px, 2vw, 18px);margin-bottom: 10px;color: #1d2129}
.advantage-content p {color: #666;line-height: 1.6;font-size: clamp(13px, 1.8vw, 14px)}
.stats-grid {display: grid;grid-template-columns:repeat(4, 1fr);gap: 20px;margin-top: 40px;margin-bottom: 60px}
@media (max-width: 1079px) {.stats-grid {grid-template-columns:repeat(auto-fit, minmax(150px, 1fr))}}
.stat-card {background: linear-gradient(135deg, #165dff 0%, #0f49d1 100%);color: white;padding: 30px 20px;border-radius: 8px;text-align: center}
.stat-number {font-size: clamp(24px, 4vw, 36px);font-weight: 700;margin-bottom: 10px}
.stat-label {font-size: clamp(12px, 1.8vw, 14px);opacity: 0.9}
.case-grid {display: grid;grid-template-columns:repeat(3, 1fr);gap: 35px;margin-top: 50px}
.case-item {background: white;border-radius: 20px;overflow: hidden;box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);transition: all 0.3s ease;border: 1px solid #f0f0f0}
.case-item:hover {transform: translateY(-8px) scale(1.02);box-shadow: 0 12px 32px rgba(255, 107, 107, 0.15), 0 8px 20px rgba(78, 205, 196, 0.1)}
.case-image {width: 100%;height: 220px;overflow: hidden;border-radius: 20px 20px 0 0}
.case-image img {width: 100%;height: 100%;object-fit: cover;transition: transform 0.4s ease}
.case-item:hover.case-image img {transform: scale(1.1)}
.case-content {padding: 30px;text-align: center}
.case-item h4 {font-size: clamp(18px, 2.2vw, 22px);margin-bottom: 20px;color: #1d2129;font-weight: 700;background: linear-gradient(135deg, #ff6b6b, #4ecdc4);-webkit-background-clip: text;-webkit-text-fill-color: transparent;background-clip: text}
.case-item p {color: #666;line-height: 1.8;font-size: clamp(13px, 1.8vw, 15px)}
@media (max-width: 1079px) {.case-grid {grid-template-columns:repeat(2, 1fr);gap: 25px}}
@media (max-width: 768px) {.case-grid {grid-template-columns:1fr;gap: 20px}.case-image {height: 180px}}
.price-card {background: white;border-radius: 12px;box-shadow: 0 8px 32px rgba(22, 93, 255, 0.1);padding: clamp(20px, 4vw, 40px);text-align: center;margin: 0 auto;width: 100%;border: 1px solid rgba(255, 255, 255, 0.5);transition: all 0.5s ease}
.price-card:hover {transform: translateY(-5px);box-shadow: 0 12px 40px rgba(22, 93, 255, 0.15)}
.version-row {display: flex;justify-content: center;align-items: stretch;gap: 40px;flex-wrap: nowrap;margin: 40px 0}
.version-card {flex: 1 1 0;width: 300px;max-width: 300px;padding: 35px 25px;background: linear-gradient(135deg, #f5f7fa 0%, #e8f3ff 100%);border-radius: 12px;border: 1px solid #dee2e6;transition: all 0.3s ease}
@media (max-width: 1079px) {.version-row {gap: 25px}.version-card {flex: 1 1 0;width: 220px;max-width: 220px;padding: 30px 20px}}
@media (max-width: 768px) {.version-row {gap: 20px}.version-card {flex: 1 1 0;width: 200px;max-width: 200px;padding: 25px 18px}}
@media (max-width: 500px) {.version-row {flex-wrap: wrap;gap: 15px}.version-card {flex: 1 1 0;width: 140px;max-width: calc(100% - 30px);padding: 20px 15px}}
@media (max-width: 360px) {.version-card {flex: 1 1 0;width: 120px;padding: 18px 12px}}
.version-card:hover {transform: translateY(-5px);box-shadow: 0 8px 16px rgba(22, 93, 255, 0.15);border-color: #165dff}
.version-title {font-size: clamp(18px, 2.5vw, 24px);font-weight: 700;color: #165dff;margin-bottom: 20px}
.price-note {color: #666;margin-bottom: 20px;font-size: clamp(14px, 1.8vw, 16px);padding: 0 15px}
.contact-tip {color: #e74c3c;font-weight: 600;font-size: clamp(16px, 2vw, 18px);margin: 20px 0}
.price-features {text-align: center;margin: 40px auto;max-width: 900px;padding: 0 25px;line-height: 1.6}
.price-features span {display: inline-block;padding: 10px 18px;background: linear-gradient(135deg, #f5f7fa 0%, #e8f3ff 100%);border-radius: 20px;margin: 0 12px 12px 0;font-size: clamp(14px, 2vw, 16px);color: #333;border: 1px solid rgba(22, 93, 255, 0.1);transition: all 0.3s ease}
.price-features span:hover {background: linear-gradient(135deg, #e8f3ff 0%, #d0e6ff 100%);border-color: #165dff;transform: translateY(-2px);box-shadow: 0 4px 12px rgba(22, 93, 255, 0.1)}
@media (min-width: 769px) {.price-features {text-align: center}.price-features span {}}
@media (max-width: 768px) {.price-features {padding: 0 20px;margin: 35px auto}.price-features span {margin: 0 10px 10px 0;padding: 8px 16px;border-radius: 18px}}
@media (max-width: 500px) {.price-features {padding: 0 15px;margin: 30px auto;text-align: center}.price-features span {margin: 0 8px 8px 0;padding: 7px 14px;font-size: clamp(12px, 3vw, 14px);border-radius: 16px}}
@media (max-width: 360px) {.price-features {padding: 0 12px}.price-features span {margin: 0 6px 6px 0;padding: 6px 12px;font-size: clamp(11px, 3vw, 13px);border-radius: 14px}}
.price-qrcode {margin-top: 40px;text-align: center}
.price-qrcode img {width: clamp(120px, 30vw, 180px);height: clamp(120px, 30vw, 180px);margin: 0 auto;display: block}
.price-qrcode p {margin-top: 10px;color: #666;font-size: clamp(13px, 1.8vw, 14px)}
.faq-item {border-bottom: 1px solid #f0f0f0;padding: 20px 15px}
.faq-question {font-size: clamp(14px, 2vw, 16px);font-weight: 600;color: #1d2129;margin-bottom: 10px;cursor: pointer}
.faq-answer {color: #666;line-height: 1.7;font-size: clamp(13px, 1.8vw, 14px)}
.contact-section {background: #1d2129;color: white;padding: clamp(40px, 8vw, 60px) 0;text-align: center}
@media (max-width: 1079px) {.contact-section {min-width: 320px}}
.contact-title {font-size: clamp(20px, 4vw, 28px);margin-bottom: 20px;padding: 0 15px}
.contact-qrcode {margin: 30px 15px;width: clamp(150px, 30vw, 200px);height: clamp(150px, 30vw, 200px);background: white;padding: 10px;border-radius: 8px;display: inline-block}
.contact-qrcode img {width: 100%;height: 100%}
.contact-note {opacity: 0.8;margin-top: 20px;font-size: clamp(13px, 1.8vw, 14px);padding: 0 15px}
.contact-phone {font-size: clamp(18px, 3vw, 24px);margin-top: 20px;padding: 0 15px}
.footer {background: #16191e;color: rgba(255, 255, 255, 0.6);padding: 30px 0;text-align: center;font-size: clamp(12px, 1.8vw, 14px)}
@media (max-width: 1079px) {.footer {min-width: 320px}}
.footer p {padding: 0 15px}
img {max-width: 100%;height: auto}
button, input, select, textarea {font-size: 100%}