.container {max-width:1440px;margin:0 auto;padding:0 20px;}

/* 按钮样式 */
.BtnPrimary {background-color:#165dff;color:#fff;border:none;padding:10px 20px;border-radius:27px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .3s ease,box-shadow .3s ease;background-image:linear-gradient(109deg,#478aff 12%,#6243ff 100%),linear-gradient(98deg,#165dff 0%,#7516ff 100%);}
.BtnPrimary:hover {background-color:#0f4cd0;box-shadow:0 4px 15px rgba(22,95,255,.3);}
.BtnPrimary.BtnLarge {padding:14px 32px;font-size:16px;}
.BtnPrimary.BtnCta {padding:16px 40px;font-size:18px;font-weight:600;box-shadow:0 8px 25px rgba(22,95,255,.15);}

.BtnSecondary {background-color:#fff;color:#165dff;border:1px solid #165dff;padding:14px 32px;border-radius:25px;font-size:16px;font-weight:500;cursor:pointer;transition:all .3s ease;}
.BtnSecondary:hover {background-color:#e8f0ff;}


.NavBar {position:sticky;top:0;z-index:50;background-color:rgba(255,255,255,.98);backdrop-filter:blur(10px);border-bottom:1px solid #f0f0f0;padding:0;}
.NavBar .container {display:flex;justify-content:space-between;align-items:center;padding:12px 20px;max-width:1400px;}

.NavBarLogo {cursor:pointer;}
.NavBarLogo img { max-height:60px;}

.BrandPrimary {color:#101010;}
.BrandSecondary {color:#2073ff;}

.NavBarLinks {display:none;gap:32px;align-items:center;}

@media(min-width:768px){
.NavBarLinks {display:flex;}
.NavLink {text-decoration:none;color:#4e5969;font-size:14px;font-weight:500;transition:color .3s ease;}
.NavLink:hover {color:#165dff;}
}

.NavBar .BtnPrimary {padding:8px 20px;font-size:14px;border-radius:50px;background:linear-gradient(109deg,#478aff 12%,#6243ff 100%);}


.HeroBox {position:relative;}
.HeroBg {display:block;width:100%;height:auto;}

.HeroBox .container {position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;max-width:1440px;margin:0 auto;padding:90px 20px 80px;}

.HeroContent {display:flex;flex-direction:row;align-items:flex-start;width:100%;gap:20px;flex-wrap:wrap;}
.HeroText {text-align:left;flex:1 1 100%;min-width:0;}
.HeroText h1 {font-size:24px;font-weight:700;line-height:1.3;margin-bottom:10px;letter-spacing:-.02em;}

.TextDark {color:#1d2129;}
.TextPrimary {background:linear-gradient(90deg,#d946ef,#3b82f6);-webkit-background-clip:text;background-clip:text;color:transparent;}

.HeroDesc {font-size:13px;color:#646a73;margin-bottom:16px;line-height:1.5;}
.HeroButtons {display:flex;flex-direction:row;gap:10px;justify-content:flex-start;flex-wrap:wrap;}
.HeroButtons .BtnPrimary.BtnLarge,.HeroButtons .BtnSecondary.BtnLarge {flex:1 1 auto;min-width:0;padding:10px 16px;font-size:13px;border-radius:50px;white-space:nowrap;text-align:center;}

.BtnPrimary.BtnLarge {background:linear-gradient(109deg,#478aff 12%,#6243ff 100%);box-shadow:0 4px 15px rgba(98,67,255,.3);transition:all .3s ease;}
.BtnPrimary.BtnLarge:hover {transform:translateY(-2px);box-shadow:0 6px 20px rgba(98,67,255,.4);}

.BtnSecondary.BtnLarge {background:#fff;color:#165dff;border:1px solid #d0d5e0;transition:all .3s ease;}
.BtnSecondary.BtnLarge:hover {border-color:#165dff;background:#f8f9ff;}

.HeroImage {display:none;}

@media(min-width:768px){
.HeroBox .container {padding-top:60px;padding-bottom:60px;}
.HeroContent {flex-direction:row;align-items:center;gap:40px;flex-wrap:nowrap;}
.HeroText {flex:1 1 auto;}
.HeroText h1 {font-size:48px;line-height:1.2;}
.HeroDesc {font-size:17px;margin-bottom:28px;}
.HeroButtons {flex-direction:row;width:auto;flex-wrap:nowrap;}
.HeroButtons .BtnPrimary.BtnLarge,.HeroButtons .BtnSecondary.BtnLarge {flex:0 0 auto;padding:12px 28px;font-size:15px;}
.HeroImage {display:block;flex:1 1 auto;max-width:50%;}
}

@media(min-width:1200px){
.HeroBox .container {padding-top:80px;}
.HeroText h1 {font-size:52px;}
}

/* 通用区块样式 */
.SectionHeader {text-align:center;margin-bottom:60px;}
.SectionHeader h2 {font-size:40px;color:#101010;letter-spacing:0;font-weight:600;}
.SectionHeader p {font-family:PingFangSC-Regular;font-size:16px;color:#666;letter-spacing:0;font-weight:400;}
.SectionDivider {width:64px;height:4px;background-color:#165dff;margin:20px auto 0;}

/* 什么是GEO */
.SectionWhat {padding:60px 0;}
@media(min-width:768px){.SectionWhat {padding:100px 0;}}

.WhatContent {display:flex;flex-direction:column;gap:40px;}
@media(min-width:768px){.WhatContent {flex-direction:row;align-items:center;gap:40px;}}

.WhatLeft {flex:1.2;}
.WhatRight {flex:1;}
.WhatImage {width:100%;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.1);}

.WhatCard {background-color:#fff;margin-bottom:32px;}
.WhatCard h3 {font-family:PingFangSC-Semibold;font-size:30px;color:#101010;letter-spacing:0;line-height:42px;font-weight:600;}
.WhatCard h3 span {color:#2073ff;}
.WhatCard p {font-family:PingFangSC-Regular;font-size:16px;color:#333;letter-spacing:0;line-height:26px;font-weight:400;}

.WhatCardInner {display:flex;gap:16px;}
.WhatCardContent {flex:1;}
.WhatCardContent h3 {font-size:30px;font-weight:600;color:#1d2129;margin-bottom:8px;}
.WhatCardContent p {font-size:14px;color:#646a73;line-height:1.6;}

.WhatFeatures {display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:768px){.WhatFeatures {grid-template-columns:1fr 1fr;}}

.FeatureItem {background-color:#fff;border-radius:12px;padding:12px 12px 20px;display:flex;align-items:flex-start;gap:12px;border:1px solid #e5e6eb;transition:all .3s ease;position:relative;}
.FeatureItem:hover {border-color:#165dff;box-shadow:0 2px 8px rgba(22,95,255,.08);}

.FeatureItem .FeatureIcon {flex-shrink:0;width:20px;height:20px;background-color:#07c160;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700;position:absolute;top:17px;left:16px;}
.FeatureIcon svg {width:12px;height:12px;}

.FeatureTitle {font-size:15px;font-weight:600;color:#1d2129;margin-bottom:6px;font-family:PingFangSC-Semibold;font-size:18px;color:#101010;letter-spacing:0;font-weight:600;padding-left:32px;}
.FeatureDesc {font-size:14px;color:#666;}

/* 为什么要做GEO */
.SectionWhy {padding:40px 0;background:url(../img/260609_0014.png) no-repeat center top;background-size:cover;}
@media(min-width:768px){.SectionWhy {padding:80px 0;}}

.WhyCards {display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.WhyCards {grid-template-columns:repeat(3,1fr);}}

.WhyCard {background-color:#fff85;border-radius:12px;padding:32px;box-shadow:0 4px 20px rgba(0,0,0,.05);transition:transform .3s ease,box-shadow .3s ease;}
.WhyCard:hover {transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,.08);}

.WhyCardTag {display:block;font-size:20px;color:#101010;margin-bottom:10px;}
.WhyCardNum {font-size:50px;font-weight:800;color:#2073ff;margin-bottom:20px;line-height:1;font-family:MicrosoftYaHei-Bold;letter-spacing:0;font-weight:700;}
.WhyCardDesc {margin-bottom:24px;font-size:16px;color:#666;letter-spacing:0;line-height:24px;font-weight:400;}
.WhyCardPain {padding:10px 16px;display:flex;align-items:flex-start;gap:8px;background:#fff7f7;border:1px solid #fadfdf;font-size:13px;color:#e31919;}

/* 核心卖点 */
.SectionFeatures {padding:60px 0;}
@media(min-width:768px){.SectionFeatures {padding:100px 0;}}

.FeatureCard {border-radius:16px;padding:32px 32px 32px 60px;margin-bottom:24px;display:flex;flex-direction:column;gap:24px;transition:transform .3s ease,box-shadow .3s ease;}
.FeatureCard:hover {transform:translateY(-3px);}
.FeatureCard:nth-child(2) {background:linear-gradient(135deg,#e8f3ff 0%,#fff 100%);}
.FeatureCard:nth-child(3) {background:linear-gradient(135deg,#f9f0ff 0%,#fff 100%);}

@media(min-width:768px){
.FeatureCard {flex-direction:row;gap:40px;}
.FeatureCardReverse {flex-direction:row-reverse;}
.FeatureCardContent {flex:1;}
.FeatureCardImage {flex:1;}
}

.FeatureTags {display:flex;gap:12px;margin-bottom:20px;}
.Tag {font-size:14px;font-weight:400;padding:6px 16px;border-radius:18px;}
.FeatureCard:nth-child(2) .Tag {color:#fff;background:#6798ea;border-radius:18px;}
.FeatureCard:nth-child(3) .Tag {background-color:#b68ad3;color:#fff;}

.FeatureCardContent h3 {font-size:34px;font-weight:500;color:#101010;margin-bottom:20px;}

.FeatureList {list-style:none;display:flex;flex-direction:column;gap:14px;}
.FeatureList li {display:flex;align-items:center;gap:10px;font-size:14px;color:#666;line-height:1.6;}
.FeatureList li strong {color:#333;}

.ListIcon {width:18px;height:18px;background-color:#07c160;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:10px;font-weight:700;flex-shrink:0;}
.FeatureCardImage img {width:100%;}

/* 全流程服务 */
.SectionService {padding:60px 0;background-image:linear-gradient(180deg,#f9f5f8 0%,#f0f0fc 48%);}
@media(min-width:768px){.SectionService {padding:100px 0;}}

.ServiceCards {display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.ServiceCards {grid-template-columns:1fr 1fr;}}

.ServiceCard {background-color:#fff;border-radius:16px;padding:28px;border:1px solid #e5e6eb;transition:all .3s ease;}
.ServiceCard:hover {border-color:#165dff;box-shadow:0 4px 20px rgba(22,95,255,.08);}

.ServiceCardHeader {display:flex;align-items:flex-start;gap:14px;margin-bottom:12px;}
.ServiceIcon {flex-shrink:0;width:48px;height:48px;background-color:#e8f3ff;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#165dff;}
.ServiceIcon svg {width:28px;height:28px;}

.ServiceCardTitle {flex:1;}
.ServiceTag {font-size:16px;color:#2073ff;display:inline-block;margin-bottom:12px;background:#ecf3ff;border-radius:18px;padding:5px 15px;}
.ServiceCardTitle h3 {font-size:16px;font-weight:600;color:#1d2129;line-height:1.4;color:#165dff;margin-bottom:8px;}
.ServiceCard h3 {font-size:24px;color:#101010;}
.ServiceCard p {font-size:16px;color:#666;line-height:1.6;}

/* 客户成功案例 */
.SectionCases {padding:60px 0;}
@media(min-width:768px){.SectionCases {padding:100px 0;}}

.CasesCards {display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.CasesCards {grid-template-columns:repeat(3,1fr);}}

.CaseCard {overflow:hidden;background:#fff;background-image:linear-gradient(174deg,#ecf5ff 0%,#fff 61%);border:.5px solid #ddd;border-radius:24px;padding:15px;}
.CaseImage img {width:100%;height:180px;object-fit:cover;border-radius:10px;}
.CaseContent {padding:20px 5px;}

.CaseTag {display:inline-block;font-size:16px;color:#2073ff;letter-spacing:0;font-weight:400;padding:4px 12px;margin-right:8px;margin-bottom:15px;background:#ecf3ff;border:1px solid #e7eaed;border-radius:18px;}
.CaseContent h3 {font-weight:600;font-size:24px;color:#101010;margin-bottom:12px;}

.CaseList {list-style:none;display:flex;flex-direction:column;gap:10px;}
.CaseList li {font-size:16px;color:#666;display:flex;align-items:center;gap:8px;}

.Arrow {width:16px;height:16px;background-color:#07c160;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:10px;font-weight:700;flex-shrink:0;}

/* 全AI平台覆盖 */
.SectionPlatform {padding:60px 0;background:url(../img/260609_0015.png) no-repeat center top;background-size:cover;}
@media(min-width:768px){.SectionPlatform {padding:100px 0;}}
.SectionPlatform .container {text-align:center;}

.PlatformLogos {display:flex;flex-wrap:wrap;justify-content:center;gap:20px;margin-bottom:40px;}
.PlatformItem {text-align:center;border:1px solid #e5e6eb;transition:all .3s ease;background:rgba(255,255,255,.5);border:.5px solid #fff;border-radius:24px;width:108px;height:108px;display:flex;justify-content:center;align-items:center;flex-direction:column;}
.PlatformIcon {font-size:36px;margin-top:10px;}
.PlatformItem span {font-size:13px;color:#4e5969;font-weight:500;}

.PlatformHighlight {display:inline-block;padding:8px 40px;border-radius:27px;margin:0 auto;text-align:center;background:rgba(255,255,255,.7);border:1px solid #fff;max-width:622px;width:100%;}
@media(min-width:768px){.PlatformHighlight {width:622px;max-width:none;}}
.PlatformHighlight p {font-size:16px;color:#2073ff;letter-spacing:0;font-weight:600;}
@media(min-width:768px){.PlatformHighlight p {font-size:24px;}}

/* 行动召唤 */
.SectionCTA {padding:60px 0;text-align:center;background:url(../img/260609_0016.png) no-repeat center top;background-size:cover;}
@media(min-width:768px){.SectionCTA {padding:100px 0;}}
.SectionCTA h2 {font-size:28px;font-weight:700;color:#1d2129;margin-bottom:16px;}
@media(min-width:768px){.SectionCTA h2 {font-size:36px;}}
.SectionCTA p {font-size:16px;color:#646a73;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto;}

/* 页脚 */
.FooterBox {padding:40px 0;background:linear-gradient(135deg,#e8f3ff 0%,#fff 100%);border-top:1px solid #f0f0f0;}
.FooterContent {display:flex;flex-direction:column;align-items:center;gap:24px;margin-bottom:32px;}
@media(min-width:768px){.FooterContent {flex-direction:row;justify-content:space-between;}}

.FooterBrand {text-align:left;}
.FooterBrand span {font-size:20px;font-weight:700;}
.FooterBrand p {margin-top:8px;font-size:16px;color:#666;}

.FooterLinks {display:flex;gap:24px;}
.FooterLink {text-decoration:none;transition:color .3s ease;font-size:16px;color:#101010;}
.FooterLink:hover {color:#165dff;}

.FooterCopyright {border-top:1px solid #e5e6eb;padding-top:24px;text-align:center;}
.FooterCopyright p {font-size:16px;color:#999;}

/* 弹窗 */
.ModalBox {position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;}
.hidden {display:none;}
.ModalOverlay {position:absolute;inset:0;background-color:rgba(0,0,0,.6);backdrop-filter:blur(4px);}
.ModalContent {position:relative;background-color:#fff;width:100%;max-width:440px;border-radius:16px;padding:32px;box-shadow:0 20px 60px rgba(0,0,0,.2);}
.ModalClose {position:absolute;top:16px;right:16px;background:none;border:none;font-size:24px;color:#8f959e;cursor:pointer;transition:color .3s ease;}
.ModalClose:hover {color:#1d2129;}

.ModalHeader h3 {font-size:24px;font-weight:700;color:#165dff;text-align:center;margin-bottom:24px;}
.QrcodeSection {text-align:center;margin-bottom:24px;}
.Qrcode {max-width:180px;max-height:180px;border-radius:12px;border:1px solid #e5e6eb;margin-bottom:12px; padding:15px;}
.QrcodeSection p {font-size:14px;color:#646a73;}

.ContactInfo {display:flex;flex-direction:column;gap:12px;}
.ContactItem {display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;color:#4e5969;}
.ContactIcon {font-size:16px;}