@charset "UTF-8";
:root{--navy:#102436;--ink:#162c3a;--muted:#62737b;--line:#dce3e5;--green:#12654f;--lime:#b7df67;--paper:#f3f6f6;--white:#fff;--page:clamp(22px,5.3vw,92px);font-family:Inter,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--white);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:110px}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #568e16;outline-offset:5px}img{display:block;max-width:100%}figure,p,h1,h2,h3{margin:0}p{font-size:1rem;line-height:1.9}h1,h2,h3{font-weight:600}button{border:0}a,button{touch-action:manipulation}[hidden]{display:none!important}.skip-link{position:fixed;top:-100px;left:10px;z-index:999;background:white;padding:12px}.skip-link:focus{top:8px}.header{height:100px;padding:0 var(--page);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px;position:relative;z-index:20;background:white}.brand{display:flex;align-items:center;gap:18px;flex-shrink:0}.brand-name{font-size:2.15rem;font-weight:750;letter-spacing:.04em;line-height:1.05}.brand-sub{font-size:.78rem;letter-spacing:.2em;border-left:1px solid #b9c9cf;padding-left:18px;line-height:1.5;max-width:95px}.desktop-nav{display:flex;gap:clamp(20px,2.2vw,40px);font-size:.9rem}.desktop-nav a{padding:15px 0}.desktop-nav a:hover,.text-link:hover{color:var(--green)}.header-actions{display:flex;align-items:center;gap:26px}.language-switch{display:flex;gap:8px;align-items:center;font-size:.875rem;white-space:nowrap}.language-switch a{padding:12px 2px;color:#728088}.language-switch .active{color:var(--ink);font-weight:700}.language-switch span{color:#bdc8cd}.button{display:inline-flex;align-items:center;justify-content:center;padding:16px 25px;min-height:52px;font-size:.94rem;font-weight:550;line-height:1.4;text-align:center;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button-dark{background:var(--navy);color:white}.button-dark:hover{background:#264453}.button-lime{background:var(--lime);color:#152d28}.button-lime:hover{background:#c9ec8c}.header-inquiry{padding:12px 20px;min-height:44px}.menu-toggle{display:none;background:transparent;width:44px;height:44px;padding:10px}.menu-toggle span{display:block;height:2px;background:var(--ink);margin:7px 0}.mobile-nav{position:absolute;top:100%;left:0;right:0;background:white;padding:12px var(--page) 25px;box-shadow:0 16px 25px #142a3a15}.mobile-nav a{display:block;padding:13px 0;border-bottom:1px solid var(--line)}
.hero{display:grid;grid-template-columns:1.06fr 1fr;min-height:670px;background:var(--navy);color:white;overflow:hidden}.hero-copy{padding:72px 40px 40px var(--page);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.eyebrow{font-size:.78rem;letter-spacing:.1em;font-weight:650;line-height:1.5}.hero .eyebrow{color:var(--lime);margin-bottom:29px}.hero h1{font-size:clamp(2.8rem,4.35vw,5rem);line-height:1.27;letter-spacing:-.025em;font-weight:550}.hero-description{color:#c5d3db;margin-top:28px;max-width:410px;line-height:1.95}.hero-buttons{display:flex;gap:28px;align-items:center;margin-top:36px}.text-link{font-size:.94rem;border-bottom:1px solid #7d939d;padding:7px 0;line-height:1.5}.hero .text-link:hover{color:var(--lime)}.hero-footer{display:flex;align-items:center;gap:12px;font-size:.82rem;color:#9bb0bc;margin-top:62px}.small-line{width:28px;height:2px;background:var(--lime)}.hero-visual{position:relative;min-height:670px;margin:0;overflow:hidden}.hero-visual>img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:60% 50%}.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#10243645,transparent 28%),linear-gradient(0deg,#10243645,transparent 25%);pointer-events:none}.hero-visual figcaption{position:absolute;bottom:26px;right:26px;font-size:.75rem;z-index:1;color:white;background:#10243699;padding:5px 9px}.image-index{position:absolute;top:30px;left:30px;right:30px;display:flex;justify-content:space-between;z-index:1;font-size:.8rem;letter-spacing:.07em;color:white}.strap{display:grid;grid-template-columns:repeat(3,1fr);padding:28px var(--page);gap:32px;border-bottom:1px solid var(--line);font-size:.94rem}.strap>div{display:flex;align-items:center;gap:25px}.strap>div+div{border-left:1px solid var(--line);padding-left:36px}.strap-number{font-size:.75rem;color:var(--green);font-weight:700}.section{padding:96px var(--page)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:55px;margin-bottom:44px}.section .eyebrow{color:var(--green);margin-bottom:18px}h2{font-size:clamp(2rem,2.9vw,3.35rem);line-height:1.35;letter-spacing:-.025em}.section-intro{color:var(--muted);max-width:350px}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.product-card{border:1px solid var(--line);background:white}.product-image{height:330px;position:relative;overflow:hidden}.telecom-image img{width:100%;height:100%;object-fit:cover;object-position:center}.image-label{position:absolute;left:22px;bottom:20px;background:#102436b8;color:white;padding:5px 10px;font-size:.75rem}.utility-image{background:#e9eeeb}.utility-image>img{position:absolute;height:122%;width:auto;right:16%;top:28px;transform:rotate(15deg);filter:drop-shadow(10px 12px 12px #40504419)}.material-mark{font-size:4.5rem;letter-spacing:-.08em;font-weight:700;color:#cddad4;position:absolute;top:43px;left:36px;line-height:1.05}.utility-image .image-label{background:transparent;color:#52655d;bottom:15px;padding:5px 0}.product-body{padding:32px}.product-body .eyebrow{font-size:.75rem;margin-bottom:12px}.product-body h3{font-size:1.85rem;line-height:1.35;margin-bottom:17px}.product-body>p:not(.eyebrow){color:var(--muted);min-height:91px}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.tags span{background:var(--paper);padding:7px 10px;font-size:.8rem;line-height:1.5}.product-link{display:block;border-top:1px solid var(--line);margin-top:28px;padding-top:21px;font-size:.95rem;font-weight:600}.product-link:hover{color:var(--green)}.footer{background:var(--navy);color:white;padding:52px var(--page) 30px}.footer-wordmark{font-size:clamp(3rem,9vw,8rem);font-weight:650;letter-spacing:.025em;color:#dce7e8;line-height:1.2}.footer-wordmark span{font-size:1.2rem;vertical-align:top;margin-left:8px}.footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:30px;margin-top:35px;border-top:1px solid #ffffff26;color:#a6bac6;font-size:.8rem;line-height:1.7}
html[lang=en] .brand-name{font-size:1.5rem;letter-spacing:.02em}html[lang=en] .brand-sub{font-size:.6rem;max-width:108px;letter-spacing:.13em}html[lang=en] .hero h1{font-size:clamp(2.5rem,3.75vw,4.5rem);line-height:1.2}html[lang=en] .product-body>p:not(.eyebrow){min-height:121px}html[lang=en] .strap{font-size:.85rem}
@media(min-width:1650px){.hero{min-height:780px}.hero-visual{min-height:780px}.hero-copy{padding-right:70px}.product-image{height:400px}}
@media(max-width:1100px){.header{height:88px;gap:15px}.brand{gap:10px}.brand-sub{padding-left:10px}.desktop-nav{gap:20px}.header-actions{gap:18px}.header-inquiry{display:none}.hero{min-height:600px}.hero-visual{min-height:600px}.hero-copy{padding-top:50px;padding-bottom:40px}.hero h1{font-size:3.1rem}.hero-description{font-size:.95rem}.hero-footer{margin-top:48px}.section{padding-top:76px;padding-bottom:76px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.product-image{height:285px}.product-body{padding:25px}.strap>div{gap:16px}.strap>div+div{padding-left:24px}}
@media(max-width:760px){:root{--page:22px;scroll-padding-top:24px}.header{height:78px;gap:12px}.brand-name{font-size:1.8rem}.brand-sub{font-size:.7rem;max-width:80px}.desktop-nav{display:none}.header-actions{gap:9px}.menu-toggle{display:block}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{padding:46px var(--page) 37px}.hero .eyebrow{font-size:.73rem;margin-bottom:22px}.hero h1{font-size:clamp(2.6rem,8vw,3.7rem);line-height:1.28}.hero-description{font-size:1rem;max-width:500px;margin-top:23px}.hero-buttons{margin-top:27px;gap:25px}.hero-footer{margin-top:32px}.hero-visual{min-height:0;height:450px}.hero-visual>img{object-position:60% 50%}.hero-visual:after{background:linear-gradient(0deg,#10243655,transparent 25%)}.image-index{top:23px;left:23px;right:23px}.hero-visual figcaption{bottom:18px;right:20px}.strap{padding:22px var(--page);gap:18px;grid-template-columns:1fr;font-size:.94rem}.strap>div{gap:19px}.strap>div+div{border-left:0;padding-left:0}.section{padding:62px var(--page)}.section-heading{display:block;margin-bottom:30px}h2{font-size:2.2rem;line-height:1.4}.section-intro{max-width:100%;margin-top:22px}.product-grid{grid-template-columns:1fr;gap:26px}.product-image{height:300px}.product-body>p:not(.eyebrow){min-height:0!important}.product-body h3{font-size:1.7rem}.tags span{font-size:.8rem}.footer{padding-top:40px}.footer-bottom{flex-direction:column;gap:12px;margin-top:25px}.footer-wordmark{font-size:15vw}html[lang=en] .brand-sub{display:none}html[lang=en] .brand-name{font-size:1.35rem}html[lang=en] .hero h1{font-size:clamp(2.3rem,8.6vw,3.8rem)}html[lang=en] .strap{font-size:.94rem}}
.materials{background:var(--paper)}.benefits-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;margin-top:55px}.benefit{border-top:1px solid #b5c7c3;padding-top:22px}.benefit-number{display:inline-block;font-size:.8rem;color:var(--green);margin-bottom:33px}.benefit h3{font-size:1.45rem;margin-bottom:16px}.benefit p{color:var(--muted);font-size:.96rem;line-height:1.9}.scene-tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:30px;gap:12px}.scene-tabs button{color:var(--muted);background:transparent;padding:20px 26px;border-bottom:3px solid transparent;min-height:64px;display:flex;gap:18px;align-items:center;font-size:1rem}.scene-tabs button span{font-size:.8rem}.scene-tabs button[aria-selected=true]{color:var(--green);border-color:var(--green);font-weight:650}.scene-panel{display:grid;grid-template-columns:1.28fr 1fr;background:var(--navy);color:white}.scene-photo{min-width:0;min-height:430px;position:relative}.scene-photo img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.scene-copy{padding:42px}.scene-copy .scene-code{color:var(--lime);font-size:.8rem;letter-spacing:.08em;margin-bottom:22px}.scene-copy h3{font-size:1.75rem;line-height:1.45;margin-bottom:18px}.scene-copy>p:not(.scene-code){color:#b6c8d3;font-size:.96rem}.scene-copy ul{list-style:none;padding:0;margin:24px 0 27px}.scene-copy li{position:relative;padding:8px 0 8px 17px;color:#d8e3e8;font-size:.9rem;line-height:1.6;border-bottom:1px solid #ffffff1a}.scene-copy li:before{content:"";position:absolute;width:4px;height:4px;left:0;top:19px;background:var(--lime)}.scene-copy .text-link:hover{color:var(--lime)}.caption-note{font-size:.82rem;color:var(--muted);line-height:1.8;margin-top:17px}.resources{background:var(--paper)}.resources .section-intro{max-width:350px}.resource-tabs{display:flex;gap:0;border-bottom:1px solid #bfcfcd}.resource-tabs button{background:transparent;color:var(--muted);padding:19px 30px;font-size:1rem;border-bottom:3px solid transparent}.resource-tabs button[aria-selected=true]{background:white;color:var(--green);border-color:var(--green);font-weight:650}.table-scroll{width:100%;overflow:auto;background:white}table{border-collapse:collapse;width:100%;min-width:600px;text-align:left;font-size:.94rem;line-height:1.65}thead{color:white;background:var(--green)}th,td{padding:17px 24px;vertical-align:top;border-bottom:1px solid #dce7e4;width:34%}th:first-child{width:32%}thead th{font-weight:600}tbody th{font-weight:400;color:#556e68}tbody tr:nth-child(even){background:#f8faf9}.spec-toggle{width:100%;padding:18px;background:white;color:var(--green);font-size:.9rem;border-bottom:1px solid #dce7e4}.spec-toggle:hover{background:#edf3ef}.download-row{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:30px}.download-item{padding:22px 25px;border:1px solid #b8cac3;display:flex;justify-content:space-between;gap:18px;align-items:center;font-size:.98rem;background:white}.download-item span{font-weight:600}.download-item small{font-size:.8rem;color:var(--muted);white-space:nowrap}.download-item:hover{border-color:var(--green);color:var(--green)}.utility-selection{padding:35px;background:white}.utility-selection h3{font-size:1.6rem;line-height:1.45}.utility-selection>p{color:var(--muted);margin-top:18px}.utility-checklist{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px}.utility-checklist article{display:flex;gap:20px;border-top:1px solid var(--line);padding-top:25px}.utility-checklist article>span{font-size:.8rem;color:var(--green);line-height:2}.utility-checklist h4{font-size:1.1rem;margin:0 0 10px}.utility-checklist p{color:var(--muted);font-size:.95rem}.utility-selection .button{margin-top:25px}.faq{display:grid;grid-template-columns:.68fr 1fr;gap:70px;margin-top:75px}.faq>h3{font-size:1.6rem;line-height:1.55}.faq details{border-top:1px solid #c9d7d2}.faq details:last-child{border-bottom:1px solid #c9d7d2}.faq summary{font-size:1rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:24px;line-height:1.65;padding:22px 0;font-weight:550}.faq summary::-webkit-details-marker{display:none}.faq summary span{font-size:1.4rem;color:var(--green);line-height:1.1;flex-shrink:0;font-weight:400}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{padding:0 30px 25px 0;color:var(--muted);font-size:.94rem}.inquiry{display:grid;grid-template-columns:1fr 1fr;gap:80px;background:#e7efea}.inquiry-description{color:#526b61;margin-top:23px;max-width:390px}.inquiry-copy ol{list-style:none;padding:0;margin:38px 0 0;counter-reset:steps}.inquiry-copy li{counter-increment:steps;display:flex;gap:17px;align-items:center;margin:0 0 20px;color:#4b655b;font-size:.94rem;line-height:1.7}.inquiry-copy li:before{content:"0" counter(steps);font-size:.77rem;color:var(--green);font-weight:700}.inquiry form{background:white;padding:35px;min-width:0}.inquiry form h3{font-size:1.5rem;margin-bottom:28px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{display:block;font-size:.875rem;font-weight:500;line-height:1.6;margin-bottom:22px}input,textarea,select{display:block;width:100%;min-width:0;border:1px solid #bdcdc6;border-radius:0;padding:12px;background:white;color:var(--ink);margin-top:9px;font-size:1rem;line-height:1.55}select{min-height:49px}textarea{resize:vertical;max-height:420px}input::placeholder,textarea::placeholder{color:#7b8b86;font-size:.9rem;opacity:1}.inquiry form>.button{width:100%}.form-note{font-size:.8rem;color:var(--muted);line-height:1.75;margin-top:17px}.form-status{font-size:.875rem;color:var(--green);margin-top:8px;line-height:1.6}dialog{border:0;max-width:650px;width:calc(100% - 40px);max-height:85vh;color:var(--ink);background:white;padding:30px;box-shadow:0 20px 70px #0003}dialog::backdrop{background:#0b2130ae}.dialog-header{display:flex;justify-content:space-between;align-items:flex-start;gap:25px;margin-bottom:20px}.dialog-header h2{font-size:1.7rem;line-height:1.5}.dialog-close{padding:0;background:transparent;font-size:2rem;line-height:1;width:36px;height:36px;flex-shrink:0;color:var(--ink)}dialog>p{color:var(--muted);font-size:.94rem}#brief-content{font-family:inherit;background:var(--paper);padding:20px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:38vh;overflow:auto;line-height:1.85;font-size:.94rem;margin:22px 0}.dialog-buttons{display:flex;gap:12px;flex-wrap:wrap}.button-outline{background:white;border:1px solid #9dafac;color:var(--ink)}.dialog-status{margin-top:16px;color:var(--green);font-size:.875rem}.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}
@media(max-width:1100px){.benefits-grid{gap:24px}.benefit h3{font-size:1.25rem}.scene-copy{padding:30px}.scene-photo{min-height:450px}.scene-copy h3{font-size:1.5rem}.download-item{display:block}.download-item small{display:block;margin-top:8px}.inquiry{gap:35px}.inquiry form{padding:28px}.field-grid{grid-template-columns:1fr;gap:0}.faq{gap:35px}}
@media(max-width:760px){.benefits-grid{grid-template-columns:1fr 1fr;gap:35px 23px;margin-top:35px}.benefit-number{margin-bottom:20px}.benefit h3{font-size:1.2rem}.benefit p{font-size:.94rem}.scene-tabs{gap:0}.scene-tabs button{padding:15px 12px;gap:9px;flex:1;justify-content:center;font-size:.92rem;white-space:nowrap;min-height:58px}.scene-panel{grid-template-columns:1fr}.scene-photo{min-height:0;height:310px}.scene-copy{padding:30px 25px}.scene-copy h3{font-size:1.7rem}.scene-copy .scene-code{margin-bottom:18px}.caption-note{font-size:.8rem}.resource-tabs button{font-size:.94rem;padding:18px 15px;flex:1;line-height:1.5}.download-row{grid-template-columns:1fr;gap:15px}.download-item{display:flex}.download-item small{margin-top:0}th,td{padding:15px 17px}table{font-size:.9rem;min-width:575px}.utility-selection{padding:27px 21px}.utility-selection h3{font-size:1.5rem}.utility-checklist{grid-template-columns:1fr;gap:25px}.faq{grid-template-columns:1fr;gap:28px;margin-top:50px}.faq>h3{font-size:1.5rem}.faq summary{font-size:.94rem;padding:20px 0}.inquiry{grid-template-columns:1fr;gap:35px}.inquiry-copy ol{margin-top:30px}.inquiry form{padding:27px 22px}.inquiry form h3{font-size:1.4rem}.dialog-header h2{font-size:1.4rem}dialog{padding:25px 20px}.dialog-buttons .button{flex:1;padding:14px}.footer-wordmark{font-size:15vw}}
@media(max-width:380px){.brand-sub{display:none}.hero-buttons{gap:20px}.button{padding-left:19px;padding-right:19px}.benefits-grid{grid-template-columns:1fr}.download-item{display:block}.download-item small{margin-top:8px}.scene-tabs button{padding-left:7px;padding-right:7px}.hero-visual{height:410px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.tower-intro h3{font-size:clamp(1.35rem,2.6vw,1.8rem);line-height:1.3;margin-top:10px}
.tower-intro p:not(.eyebrow){color:var(--muted);margin-top:12px;line-height:1.8}
.tower-stats{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 6px}
.stat-chip{background:var(--paper);padding:18px 24px;min-width:170px;flex:1}
.stat-chip strong{display:block;font-size:1.9rem;line-height:1.1;color:var(--navy)}
.stat-chip strong small{font-size:.95rem;font-weight:600;color:var(--muted)}
.stat-chip span{display:block;margin-top:8px;font-size:.82rem;color:var(--muted);line-height:1.5}
.tower-block{margin-top:34px}
.tower-sub{font-size:1rem;color:var(--navy);border-left:4px solid var(--lime);padding-left:12px;margin-bottom:14px}
@media (max-width:720px){.stat-chip{min-width:calc(50% - 14px);padding:14px 16px}.stat-chip strong{font-size:1.5rem}}
.product-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:1100px){.product-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.product-grid-3{grid-template-columns:1fr}}
.tower-image,.pole-image{background:#e9eeeb;display:flex;align-items:center;justify-content:center}
.tower-svg,.pole-svg{height:84%;width:auto;max-width:88%;filter:drop-shadow(8px 10px 10px #40504419)}
.tower-image .image-label,.pole-image .image-label{background:transparent;color:#52655d;bottom:15px;padding:5px 0}
.card-stat{display:flex;align-items:baseline;gap:10px;margin-top:18px;background:var(--paper);padding:12px 16px}
.card-stat b{font-size:1.35rem;color:var(--navy);white-space:nowrap}
.card-stat span{font-size:.8rem;color:var(--muted);line-height:1.4}
.strength-compare{margin-top:44px;border-top:1px solid var(--line);padding-top:30px}
.compare-title{font-weight:700;color:var(--navy);margin-bottom:18px}
.compare-row{display:grid;grid-template-columns:240px 1fr 90px;align-items:center;gap:16px;margin-bottom:12px}
.compare-label{font-size:.9rem;color:var(--ink);line-height:1.4}
.compare-label small{display:block;color:var(--muted);font-size:.72rem;margin-top:2px}
.compare-bar{height:14px;background:var(--paper)}
.compare-bar i{display:block;height:100%}
.bar-tower{background:var(--lime)}
.bar-pole{background:var(--navy);opacity:.85}
.compare-row b{font-size:.95rem;color:var(--navy);text-align:right;white-space:nowrap}
@media(max-width:760px){.compare-row{grid-template-columns:1fr;gap:6px;margin-bottom:18px}.compare-row b{text-align:left}}
.pole-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 40%;display:block}
.tower-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 18%;display:block}
.tower-carousel .carousel-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 50%;opacity:0;transition:opacity 1s ease}
.tower-carousel .carousel-img.active{opacity:1}
.carousel-dots{position:absolute;bottom:14px;right:16px;display:flex;gap:7px;z-index:3}
.carousel-dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.45);transition:background .3s}
.carousel-dots i.active{background:#fff}

/* ===== 2026-10-08 改版：固定顶栏 / 字体加大 / 分栏 ===== */
.header{position:sticky;top:0;box-shadow:0 6px 18px #142a3a0d}
.brand-name{font-size:2.45rem}
.brand-sub{font-size:.85rem;max-width:105px}
.desktop-nav{font-size:1.02rem}
.desktop-nav a[aria-current="page"],.mobile-nav a[aria-current="page"]{color:var(--green)}
.tower-panel{display:grid;grid-template-columns:1fr 1fr;gap:8px 34px}
.tower-panel .tower-intro,.tower-panel .tower-stats,.tower-panel .caption-note{grid-column:1/-1}
.home-cards{background:var(--paper)}
.cta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.cta-card{display:block;background:white;border:1px solid var(--line);border-radius:14px;padding:36px 30px;transition:transform .25s,border-color .25s,box-shadow .25s}
.cta-card:hover{transform:translateY(-5px);border-color:var(--green);box-shadow:0 18px 30px #142a3a12}
.cta-card h3{font-size:1.45rem;margin-bottom:12px}
.cta-card p{color:#5f6e77;line-height:1.85}
@media (max-width:1000px){.cta-grid{grid-template-columns:1fr;gap:18px}}
@media (max-width:900px){.tower-panel{grid-template-columns:1fr}}

/* 2026-10-08 小标题字号加大 */
.eyebrow{font-size:.95rem}

/* 2026-10-09 logo 悬停提示：回到首页 */
.brand{position:relative}
.brand::after{content:"回到首页";position:absolute;left:0;top:calc(100% + 10px);background:#102436;color:#fff;font-size:.82rem;letter-spacing:.08em;line-height:1;padding:8px 13px;border-radius:6px;white-space:nowrap;opacity:0;transform:translateY(-5px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}
.brand::before{content:"";position:absolute;left:22px;top:calc(100% + 4px);border:6px solid transparent;border-bottom-color:#102436;opacity:0;pointer-events:none;transition:opacity .2s ease}
.brand:hover::after{opacity:1;transform:translateY(0)}
.brand:hover::before{opacity:1}
html[lang="en"] .brand::after{content:"Back to home";letter-spacing:.02em}
.gate-dialog{border:1px solid var(--line);padding:34px 34px 24px;max-width:450px;width:calc(100% - 44px)}
.gate-dialog::backdrop{background:#10243666}
.gate-dialog h3{font-size:1.4rem;margin-bottom:12px}
.gate-dialog .dialog-close{position:absolute;top:10px;right:14px}
.gate-desc{color:var(--muted);line-height:1.75;font-size:.93rem;margin-bottom:20px}
.gate-row{display:flex;gap:10px}
.gate-row input{flex:1;border:1px solid var(--line);padding:11px 13px;font-size:.98rem;letter-spacing:.1em;text-transform:uppercase}
.gate-row .button{white-space:nowrap}
.gate-status{min-height:22px;font-size:.86rem;color:#b4432f;margin-top:12px}
.gate-hint{font-size:.87rem;color:var(--muted);margin-top:4px}
.gate-hint a{text-decoration:underline}
.download-item.gated small::after{content:" · 需授权码";color:#b4432f}
html[lang=en] .download-item.gated small::after{content:" · code required";color:#b4432f}
.footer-bottom a{color:#a6bac6;text-decoration:none}
.footer-bottom a:hover{color:#fff;text-decoration:underline}