@charset "UTF-8";
/* Clear editorial design for a Chinese-language browser knowledge resource. */
:root{--bg:#f6f7f4;--surface:#fff;--surface-soft:#edf1ec;--ink:#172827;--muted:#64736e;--green:#14685b;--green-deep:#104b44;--mint:#def1e7;--accent:#d3ea7e;--line:#dce4dd;--line-strong:#bdcdc1;--shadow:0 24px 70px rgba(24,66,49,.07);--radius:24px;--radius-sm:14px;--width:1200px;--read-width:730px;--display-font:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;--body-font:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body-font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--green);outline-offset:4px;border-radius:3px}
::selection{background:var(--accent);color:var(--ink)}
h1,h2,h3,h4,p,ul,ol{margin-top:0}
h1,h2,h3{font-family:var(--display-font);letter-spacing:-.042em;line-height:1.23}
h1{font-size:clamp(42px,5.2vw,76px);font-weight:800}
h2{font-size:clamp(28px,3.2vw,44px);font-weight:750}
h3{font-size:22px;font-weight:700}
p{margin-bottom:1.1em}
.wrap{width:min(var(--width),calc(100% - 72px));margin-inline:auto}
.skip-link{position:absolute;left:12px;top:-70px;background:var(--green);color:#fff;padding:12px 18px;z-index:1000;border-radius:8px}
.skip-link:focus{top:12px}
.site-header{position:relative;z-index:30;border-bottom:1px solid rgba(18,70,58,.09);background:rgba(246,247,244,.95)}
.header-inner{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.wordmark{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:48px;height:48px;display:grid;place-items:center;background:var(--green);color:var(--accent);border-radius:16px;font-size:23px;letter-spacing:-.1em;font-weight:900;line-height:1;padding-right:4px}
.wordmark strong,.wordmark small{display:block;line-height:1.28}
.wordmark strong{font-size:20px;font-weight:750;letter-spacing:-.04em}
.wordmark small{font-size:11px;color:var(--muted);letter-spacing:.12em;margin-top:5px}
.site-nav{display:flex;align-items:center;gap:8px}
.site-nav a{padding:10px 14px;border-radius:100px;font-size:13px;font-weight:650;color:#50655b;white-space:nowrap;transition:color .2s ease,background .2s ease}
.site-nav a:hover,.site-nav a[aria-current="page"]{background:var(--mint);color:var(--green-deep)}
.nav-toggle{display:none;border:1px solid var(--line-strong);background:#fff;border-radius:12px;padding:7px 13px;gap:7px;align-items:center;color:var(--green-deep)}
.nav-toggle-icon{font-size:21px;line-height:1}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.145em;text-transform:uppercase;color:var(--green);line-height:1.5;margin-bottom:20px}
.status-dot{display:inline-block;width:8px;height:8px;background:var(--green);border-radius:50%;margin-right:6px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:15px 25px;border-radius:100px;font-size:14px;font-weight:750;transition:transform .22s ease,background .22s ease,box-shadow .22s ease;min-height:52px;line-height:1.3;text-align:center}
.button:hover{transform:translateY(-3px)}
.button-primary{background:var(--green);color:white;box-shadow:0 11px 20px rgba(20,104,91,.13)}
.button-primary:hover{background:var(--green-deep);box-shadow:0 14px 25px rgba(20,104,91,.2)}
.button-secondary{background:#fff;color:var(--green-deep);border:1px solid var(--line)}
.button-secondary:hover{background:var(--mint)}
.button-light{background:var(--accent);color:var(--green-deep)}
.button-light:hover{background:#e6f6ad}
.text-link{display:inline-flex;align-items:center;gap:13px;font-size:14px;font-weight:800;color:var(--green);border-bottom:1px solid var(--green);padding-bottom:5px;transition:gap .2s ease}
.text-link:hover{gap:20px}
.hero{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);min-height:645px;align-items:center;gap:4.5vw;padding-block:65px 84px}
.hero-copy{padding-block:38px}
.hero h1{font-size:clamp(50px,6.35vw,91px);line-height:1.17;margin:0 0 28px;letter-spacing:-.06em;white-space:nowrap}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-lead{font-size:17px;line-height:1.95;max-width:510px;color:#536962;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:13px}
.hero-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:37px}
.hero-tags span{border:1px solid var(--line-strong);color:var(--muted);border-radius:100px;padding:5px 13px;font-size:11px;letter-spacing:.03em}
.hero-art{position:relative;min-width:0;align-self:stretch;display:flex;align-items:center;justify-content:center}
.hero-art:before{content:"";position:absolute;inset:9% -3% 2% 10%;border-radius:200px 220px 110px 110px;background:linear-gradient(145deg,#deeee0,#b6d7b7);z-index:0}
.hero-art img{position:relative;z-index:1;width:92%;height:520px;object-fit:cover;border-radius:230px 230px 26px 26px;box-shadow:var(--shadow);border:8px solid var(--bg)}
.art-badge{position:absolute;z-index:2;right:-5%;bottom:15%;padding:17px 22px;min-width:207px;background:var(--accent);border-radius:17px;box-shadow:0 10px 30px rgba(28,62,24,.1);transform:rotate(4deg)}
.art-badge span,.art-badge strong{display:block;line-height:1.5}
.art-badge span{font-size:11px;letter-spacing:.12em;font-weight:800;color:#526529}
.art-badge strong{font-size:18px;letter-spacing:-.02em}
.topic-band{background:var(--green-deep);color:#fff;padding:50px 0 60px}
.topic-band-inner{display:grid;grid-template-columns:.8fr 1.7fr;gap:50px;align-items:start}
.topic-band .eyebrow{color:var(--accent)}
.topic-band h2{font-size:34px;max-width:290px;margin:0}
.quick-answers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.quick-answers a{border:1px solid rgba(255,255,255,.18);border-radius:17px;min-height:170px;padding:22px;display:flex;flex-direction:column;transition:background .2s ease,transform .2s ease}
.quick-answers a:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.quick-answers span{font-size:12px;color:var(--accent);font-weight:800;margin-bottom:auto}
.quick-answers strong{font-size:18px;line-height:1.4;margin:18px 0 4px;letter-spacing:-.03em}
.quick-answers small{font-size:12px;color:#b3d0c6;line-height:1.6}
.section-space{padding-block:105px 65px}
.section-heading{margin-bottom:36px}
.section-heading h2{margin:0;max-width:740px}
.section-heading p:not(.eyebrow){color:var(--muted);max-width:410px;margin:12px 0 0}
.split-heading{display:flex;justify-content:space-between;gap:50px;align-items:end}
.split-heading p:not(.eyebrow){max-width:350px;margin:0 0 3px}
.topic-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.topic-card{background:#fff;border:1px solid var(--line);padding:27px 28px;display:flex;flex-direction:column;justify-content:space-between;min-height:300px;border-radius:var(--radius);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;grid-column:span 2;min-width:0}
.topic-card:hover{transform:translateY(-6px);border-color:#a2c7b7;box-shadow:var(--shadow)}
.topic-card-basic{grid-column:span 3;background:#e6f0e7}
.topic-card-web{grid-column:span 3;background:#f1eedf}
.topic-card-media{background:#e9eff2}
.topic-card-safety{background:#e7eee4}
.topic-card-faq{background:#f4f0e9}
.card-top{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:11px;color:var(--green);font-weight:800;letter-spacing:.04em}
.card-top span:last-child{font-size:24px;line-height:1;letter-spacing:normal;color:#6e8a7d}
.topic-card h3{font-size:clamp(21px,2.2vw,29px);max-width:400px;line-height:1.36;margin:0 0 13px}
.topic-card p{font-size:13px;line-height:1.9;color:#64746b;max-width:430px;margin:0}
.feature-section{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center;padding-block:76px 90px}
.feature-image{position:relative;padding:22px 32px 35px 0}
.feature-image:after{content:"";position:absolute;inset:0 0 8% 8%;background:var(--mint);z-index:-1;border-radius:26px}
.feature-image img{width:100%;height:490px;object-fit:cover;border-radius:21px;box-shadow:var(--shadow)}
.feature-copy h2{margin-bottom:23px;max-width:480px}
.feature-copy>p:not(.eyebrow){color:var(--muted);font-size:15px;line-height:2;max-width:470px}
.feature-list{padding:0;margin:28px 0 31px;list-style:none}
.feature-list li{padding:12px 0 12px 29px;position:relative;border-bottom:1px solid var(--line);font-size:14px;font-weight:600}
.feature-list li:before{position:absolute;content:"✓";left:0;top:12px;color:var(--green);font-weight:900}
.issue-panel{background:var(--green);border-radius:30px;display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:64px 75px;color:white}
.issue-panel .eyebrow{color:var(--accent)}
.issue-panel h2{font-size:clamp(30px,3vw,44px);margin-bottom:20px}
.issue-panel p:not(.eyebrow){font-size:14px;color:#cce6de;line-height:2.1;margin-bottom:25px}
.issue-steps{padding:0;display:flex;flex-direction:column;justify-content:center;gap:13px;counter-reset:issue}
.issue-steps span{display:flex;align-items:center;gap:17px;background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.14);padding:13px 20px;border-radius:13px;font-size:15px;font-weight:600}
.issue-steps span:before{counter-increment:issue;content:counter(issue,decimal-leading-zero);font-size:11px;letter-spacing:.08em;color:var(--accent)}
.media-preview{display:grid;grid-template-columns:.85fr 1.15fr;gap:75px;align-items:center;padding-block:80px 105px}
.media-preview-head h2{max-width:490px;margin-bottom:22px}
.media-preview-head>p:not(.eyebrow){color:var(--muted);font-size:15px;line-height:2;margin-bottom:25px}
.media-preview img{width:100%;height:445px;border-radius:28px 150px 28px 28px;object-fit:cover}
.bottom-cta{background:var(--mint);border-radius:27px;padding:54px 65px;display:flex;align-items:center;gap:30px;justify-content:space-between;margin-bottom:110px}
.bottom-cta h2{font-size:clamp(28px,3vw,40px);margin:0 0 12px}
.bottom-cta p:not(.eyebrow){font-size:14px;color:#566e63;margin:0;max-width:650px}
.bottom-cta .button{flex-shrink:0}
.site-footer{background:#112d29;color:#e9f0ea;padding-top:68px}
.footer-layout{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:80px;padding-bottom:65px}
.footer-brand{font-size:26px;font-weight:800;letter-spacing:-.04em;display:inline-block;margin-bottom:13px}
.footer-layout p{color:#b0c2ba;font-size:13px;line-height:1.95;max-width:360px}
.footer-layout .footnote{font-size:11px;color:#92aaa0;margin-top:23px}
.footer-layout h2{font-size:14px;letter-spacing:0;margin:0 0 20px;color:#e8f7ed}
.footer-layout nav{display:grid;grid-template-columns:1fr 1fr;align-content:start;gap:8px 20px}
.footer-layout nav h2{grid-column:1/-1}
.footer-layout nav a,.footer-meta a{font-size:12px;color:#bfd2ca;transition:color .2s ease}
.footer-layout nav a:hover,.footer-meta a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:18px 25px;display:flex;justify-content:space-between;gap:15px;font-size:11px;color:#839c91;letter-spacing:.04em}
.page-wrap{padding-top:27px;padding-bottom:105px}
.breadcrumb{display:flex;gap:12px;align-items:center;color:#8b9b90;font-size:12px;margin-bottom:66px}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb [aria-current="page"]{color:var(--green);font-weight:750}
.page-intro{max-width:900px;margin:0 0 80px}
.page-intro h1{font-size:clamp(42px,5.2vw,70px);line-height:1.2;margin:0 0 26px}
.page-intro>p:not(.eyebrow){font-size:17px;line-height:2;max-width:720px;color:var(--muted)}
.page-intro.narrow{max-width:760px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:80px;align-items:start}
.article-content{min-width:0}
.article-content>h2{font-size:30px;margin:0 0 31px}
.step-list{list-style:none;counter-reset:steps;margin:0;padding:0}
.step-list li{counter-increment:steps;position:relative;padding:0 0 33px 65px;border-left:1px solid var(--line-strong);margin-left:20px}
.step-list li:last-child{border-left-color:transparent}
.step-list li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:-20px;top:0;width:40px;height:40px;display:grid;place-items:center;background:var(--green);border-radius:50%;color:white;font-size:12px;font-weight:800}
.step-list strong{display:block;font-size:21px;line-height:1.4;letter-spacing:-.025em;margin-bottom:11px}
.step-list p{font-size:15px;color:var(--muted);line-height:2;margin:0}
.article-block{margin:58px 0 0}
.article-block h2{font-size:clamp(26px,2.75vw,36px);margin-bottom:25px;max-width:690px}
.article-block p{color:#51665d;font-size:15px;line-height:2.08;margin-bottom:19px}
.article-block.contained{background:white;border:1px solid var(--line);border-radius:24px;padding:44px 50px;margin:50px 0 0}
.article-block.contained p:last-child{margin-bottom:0}
.inline-callout{border-left:4px solid var(--green);padding:20px 25px;background:var(--mint);border-radius:0 12px 12px 0;margin:32px 0}
.inline-callout strong{font-size:14px;color:var(--green-deep)}
.inline-callout p{margin:8px 0 0;font-size:14px}
.article-sidebar{position:sticky;top:25px}
.sidebar-box{border:1px solid var(--line);background:#fff;padding:20px;border-radius:20px}
.sidebar-box img{width:100%;height:210px;object-fit:cover;border-radius:11px;margin-bottom:22px}
.sidebar-box h2{font-size:23px;letter-spacing:-.03em;margin-bottom:9px}
.sidebar-box p{font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:15px}
.sidebar-box a{font-size:13px;color:var(--green);font-weight:750}
.sidebar-links{padding:25px 4px}
.sidebar-links h3{font-size:15px;margin-bottom:15px}
.sidebar-links a{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:12px 0;font-size:13px;color:#51685b}
.sidebar-links a:hover{color:var(--green)}
.related{margin-top:94px;border-top:1px solid var(--line-strong);padding-top:49px}
.related .section-heading{margin-bottom:26px}
.related .section-heading h2{font-size:30px}
.related .section-heading p{font-size:13px}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.related-link{background:#fff;border:1px solid var(--line);min-height:146px;border-radius:17px;padding:25px 60px 26px 26px;display:flex;flex-direction:column;position:relative;transition:background .22s ease,transform .22s ease}
.related-link:hover{background:var(--mint);transform:translateY(-3px)}
.related-link strong{font-size:20px;letter-spacing:-.025em;margin-bottom:8px}
.related-link span:not(.arrow){font-size:13px;color:var(--muted);line-height:1.8}
.related-link .arrow{position:absolute;right:25px;top:26px;font-size:21px;color:var(--green)}
.diagnosis{padding:48px 50px 52px;background:#e5efea;border-radius:24px}
.diagnosis-lead{display:flex;gap:25px;align-items:center;justify-content:space-between;margin-bottom:27px}
.diagnosis-lead .eyebrow{margin:0}
.diagnosis-lead h2{font-size:31px;margin:0}
.diagnosis-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
.diagnosis-grid>div{background:rgba(255,255,255,.86);border-radius:15px;padding:26px 25px 29px;min-height:210px}
.diagnosis-grid span{font-size:11px;color:var(--green);font-weight:800;letter-spacing:.08em}
.diagnosis-grid h3{font-size:21px;margin:18px 0 11px}
.diagnosis-grid p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}
.problem-list{border-top:1px solid var(--line-strong)}
.problem-row{display:grid;grid-template-columns:.95fr 1fr 1.3fr;gap:35px;padding:30px 0;border-bottom:1px solid var(--line-strong);align-items:start}
.problem-row h3{font-size:22px;margin:4px 0}
.problem-row span{font-size:11px;letter-spacing:.07em;color:var(--green);font-weight:800;display:block;margin-bottom:7px}
.problem-row p{font-size:14px;line-height:1.95;color:var(--muted);margin:0}
.media-hero{background:#e7eee6;border-radius:30px;display:grid;grid-template-columns:1fr .85fr;align-items:center;min-height:500px;gap:30px;padding:52px 30px 52px 60px;overflow:hidden}
.media-hero h1{font-size:clamp(37px,4.45vw,63px);line-height:1.24;margin:0 0 24px}
.media-hero p:not(.eyebrow){max-width:530px;color:#587063;font-size:15px;line-height:2;margin-bottom:26px}
.media-hero img{width:100%;height:410px;object-fit:cover;border-radius:240px 240px 22px 22px;align-self:end}
.media-advice{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.media-advice article{grid-column:span 2;border:1px solid var(--line);border-radius:19px;background:#fff;padding:31px;min-height:280px}
.media-advice article:nth-child(4),.media-advice article:nth-child(5){grid-column:span 3;min-height:225px;background:#edf1e6}
.media-advice .advice-no{display:block;font-size:12px;color:var(--green);font-weight:850;letter-spacing:.1em;margin-bottom:32px}
.media-advice h3{font-size:23px;line-height:1.4;margin-bottom:12px}
.media-advice p{font-size:14px;color:var(--muted);line-height:1.95;margin:0}
.media-contrast{display:grid;grid-template-columns:.87fr 1.13fr;gap:80px;align-items:center;margin:40px 0 75px}
.media-contrast img{width:100%;height:440px;object-fit:cover;border-radius:24px 130px 24px 24px}
.media-contrast h2{max-width:520px;margin-bottom:23px}
.media-contrast p:not(.eyebrow){font-size:15px;line-height:2;color:var(--muted)}
.media-contrast .text-link{margin-top:15px}
.safety-intro h1{max-width:810px}
.safety-feature{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;background:#103d36;color:#fff;border-radius:27px;overflow:hidden;padding:35px 60px 35px 35px}
.safety-feature img{height:380px;width:100%;object-fit:cover;border-radius:18px}
.safety-feature h2{font-size:clamp(28px,3.4vw,43px);margin:11px 0 23px}
.safety-feature p{color:#c3ded2;font-size:14px;line-height:2}
.small-label{display:inline-block;border:1px solid #719b85;border-radius:100px;font-size:11px;color:var(--accent);padding:5px 15px}
.safety-list{display:grid;grid-template-columns:1fr 1fr;column-gap:45px;row-gap:0}
.safety-list article{display:grid;grid-template-columns:42px 1fr;gap:13px;border-top:1px solid var(--line-strong);padding:30px 0}
.safety-list article>span{width:36px;height:36px;border:1px solid var(--line-strong);border-radius:50%;display:grid;place-items:center;color:var(--green);font-size:13px;font-weight:800}
.safety-list h3{font-size:21px;margin:2px 0 12px}
.safety-list p{font-size:14px;line-height:2;color:var(--muted);margin:0}
.privacy-strip{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:center;background:#edf1e5;border-radius:24px;padding:30px 65px 30px 30px}
.privacy-strip img{height:265px;width:100%;object-fit:cover;border-radius:16px}
.privacy-strip h2{font-size:33px;margin-bottom:18px}
.privacy-strip p{font-size:14px;line-height:2;color:var(--muted);margin-bottom:22px}
.faq-page-grid{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:75px;align-items:start}
.faq-page-grid .section-heading h2{font-size:29px}
.faq-list{border-top:1px solid var(--line-strong)}
.faq-item{border-bottom:1px solid var(--line-strong);padding:0}
.faq-item summary{font-size:18px;font-weight:750;list-style:none;cursor:pointer;padding:26px 42px 26px 0;position:relative;line-height:1.55;letter-spacing:-.02em}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:8px;top:23px;font-size:24px;color:var(--green);font-weight:400}
.faq-item[open] summary:after{content:"−"}
.faq-item summary:hover{color:var(--green)}
.faq-answer{padding:0 28px 24px 0;color:var(--muted);font-size:14px;line-height:2.05;max-width:680px}
.faq-answer p{margin:0}
.faq-aside{position:sticky;top:25px;background:#e8eee6;border-radius:20px;padding:26px}
.faq-aside h2{font-size:22px;margin-bottom:22px}
.faq-aside a{display:flex;flex-direction:column;gap:4px;padding:15px 0;border-top:1px solid var(--line-strong)}
.faq-aside a strong{font-size:15px}
.faq-aside a span{font-size:12px;color:var(--muted)}
.faq-aside a:hover strong{color:var(--green)}
.faq-aside img{height:180px;width:100%;object-fit:cover;border-radius:12px;margin-top:20px}
.missing-page{padding-block:110px 170px;min-height:65vh;text-align:center;display:flex;flex-direction:column;align-items:center}
.missing-page>span{font-size:clamp(100px,18vw,220px);font-weight:900;line-height:1;color:#d0e1d4;letter-spacing:-.1em;padding-right:.1em}
.missing-page h1{font-size:clamp(32px,5vw,56px);margin:5px 0 12px}
.missing-page p{color:var(--muted);margin-bottom:28px}
/* Wide screens: preserve measured reading lengths rather than extending columns. */
@media (min-width:1450px){.hero{gap:90px}.hero-art img{height:565px}.topic-card{min-height:315px}.article-layout{gap:105px}.page-intro{margin-top:12px}}
@media (max-width:1180px){.wrap{width:min(var(--width),calc(100% - 52px))}.site-nav{gap:1px}.site-nav a{padding:9px 11px;font-size:12px}.hero{gap:20px}.hero-art img{height:460px}.art-badge{right:-2%}.topic-band-inner{gap:28px}.feature-section,.media-preview{gap:45px}.feature-image img{height:420px}.issue-panel{gap:45px;padding:52px}.article-layout{gap:48px;grid-template-columns:minmax(0,1fr) 270px}.faq-page-grid{gap:45px}.media-contrast{gap:45px}}
@media (max-width:900px){
 .header-inner{min-height:78px}.nav-toggle{display:inline-flex}.site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 22px 30px rgba(24,66,49,.07);padding:13px 25px 20px;grid-template-columns:repeat(3,1fr);gap:8px}.site-nav.is-open{display:grid}.site-nav a{font-size:14px;padding:14px;text-align:center;background:var(--bg);border-radius:12px}
 .hero{grid-template-columns:1fr 1fr;min-height:0;padding-block:58px}.hero h1{font-size:clamp(40px,5.6vw,59px)}.hero-lead{font-size:15px}.hero-art img{height:380px;border-radius:170px 170px 25px 25px}.art-badge{min-width:0;bottom:8%;right:0}.art-badge strong{font-size:14px}
 .topic-band-inner{grid-template-columns:1fr;gap:25px}.topic-band h2{max-width:none}.quick-answers a{min-height:145px}.section-space{padding-block:76px 48px}.topic-card{padding:23px;min-height:265px}.topic-card h3{font-size:22px}.topic-card p{font-size:12px}.feature-section{gap:35px;padding-block:50px 80px}.feature-image img{height:355px}.issue-panel{gap:33px;padding:42px}.media-preview{gap:37px;padding-block:65px 85px}.media-preview img{height:365px}.bottom-cta{margin-bottom:80px;padding:40px}.footer-layout{gap:40px;grid-template-columns:1.1fr 1fr 1fr}
 .page-wrap{padding-bottom:85px}.page-intro{margin-bottom:56px}.article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:30px}.sidebar-box{padding:14px}.sidebar-box img{height:165px}.diagnosis{padding:30px}.diagnosis-grid{gap:10px}.diagnosis-grid>div{padding:19px}.problem-row{gap:20px}.media-hero{padding:35px;min-height:0}.media-hero img{height:350px}.media-advice article{padding:23px}.safety-feature{gap:32px;padding:25px 35px 25px 25px}.safety-feature img{height:320px}.faq-page-grid{grid-template-columns:minmax(0,1fr) 240px;gap:30px}.faq-aside{padding:21px}
}
@media (max-width:700px){
 .wrap{width:calc(100% - 38px)}.site-nav{grid-template-columns:repeat(2,1fr);padding-inline:19px}.brand-mark{width:43px;height:43px;border-radius:13px}.wordmark strong{font-size:18px}
 .hero{grid-template-columns:1fr;gap:30px;padding-top:52px;padding-bottom:62px}.hero-copy{padding:0}.hero h1{font-size:clamp(46px,10vw,68px);white-space:normal}.hero-lead{max-width:560px}.hero-art{min-height:335px}.hero-art:before{inset:4% 13% 1% 17%;border-radius:180px 180px 80px 80px}.hero-art img{height:330px;width:76%;border-radius:180px 180px 30px 30px}.art-badge{right:8%;bottom:8%;transform:rotate(3deg)}.hero-tags{margin-top:27px}
 .topic-band{padding:45px 0 48px}.topic-band h2{font-size:30px}.quick-answers{grid-template-columns:1fr;gap:9px}.quick-answers a{min-height:0;padding:16px 18px;display:grid;grid-template-columns:26px 1fr;gap:0 16px}.quick-answers span{grid-row:span 2;align-self:center}.quick-answers strong{font-size:17px;margin:0 0 2px}.quick-answers small{font-size:12px}
 .split-heading{display:block}.split-heading p:not(.eyebrow){margin-top:15px}.section-heading{margin-bottom:27px}.section-heading h2{font-size:30px}.section-space{padding-block:62px 35px}.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.topic-card,.topic-card-basic,.topic-card-web,.topic-card-media,.topic-card-safety,.topic-card-faq{grid-column:span 1;min-height:255px;padding:20px;border-radius:18px}.topic-card-basic{grid-column:span 2;min-height:220px}.topic-card-web{grid-column:span 2;min-height:220px}.topic-card h3{font-size:21px}.topic-card p{font-size:12px}.card-top span:last-child{font-size:19px}
 .feature-section{grid-template-columns:1fr;padding-block:43px 60px;gap:20px}.feature-image{padding:0 22px 23px 0}.feature-image img{height:345px}.feature-copy h2{font-size:34px}.feature-copy>p:not(.eyebrow){font-size:14px}.issue-panel{grid-template-columns:1fr;padding:30px 27px;gap:20px;border-radius:20px}.issue-panel h2{font-size:31px}.issue-steps{gap:8px}.issue-steps span{font-size:13px;padding:10px 14px}.media-preview{grid-template-columns:1fr;gap:28px;padding-block:50px 65px}.media-preview img{height:320px;border-radius:18px 110px 18px 18px}.media-preview h2{font-size:35px}.bottom-cta{display:block;padding:32px 27px;margin-bottom:68px}.bottom-cta .button{margin-top:22px}.bottom-cta h2{font-size:30px}
 .site-footer{padding-top:50px}.footer-layout{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:35px}.footer-layout>div:first-child{grid-column:1/-1}.footer-layout nav{gap:9px}.footer-layout nav a{font-size:12px}.footer-bottom{font-size:10px;flex-direction:column;gap:7px}
 .page-wrap{padding-top:20px;padding-bottom:70px}.breadcrumb{margin-bottom:38px}.page-intro{margin-bottom:52px}.page-intro h1{font-size:clamp(39px,8vw,55px)}.page-intro>p:not(.eyebrow){font-size:15px}.article-layout{grid-template-columns:1fr;gap:40px}.article-sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:18px}.sidebar-box{padding:18px}.sidebar-box img{height:140px}.sidebar-links{padding:18px 0}.article-block{margin-top:44px}.related{margin-top:70px}.related-grid{gap:12px}.related-link{padding:23px 45px 22px 20px;min-height:150px}.related-link strong{font-size:18px}.related-link .arrow{right:18px;top:20px}
 .diagnosis{padding:27px 20px}.diagnosis-lead{display:block}.diagnosis-lead h2{margin-top:10px}.diagnosis-grid{grid-template-columns:1fr}.diagnosis-grid>div{min-height:0}.diagnosis-grid h3{margin:9px 0}.problem-row{grid-template-columns:1fr 1fr;gap:12px 22px;padding:25px 0}.problem-row h3{grid-column:1/-1}.problem-row p{font-size:13px}
 .media-hero{grid-template-columns:1fr;padding:35px 28px 0;gap:30px}.media-hero h1{font-size:clamp(36px,8vw,54px)}.media-hero img{height:290px;width:85%;justify-self:center}.media-advice{grid-template-columns:1fr 1fr;gap:12px}.media-advice article,.media-advice article:nth-child(4),.media-advice article:nth-child(5){grid-column:span 1;min-height:260px;padding:21px}.media-advice article:last-child{grid-column:span 2;min-height:0}.media-advice .advice-no{margin-bottom:18px}.media-advice h3{font-size:19px}.media-advice p{font-size:13px}.media-contrast{grid-template-columns:1fr;gap:32px;margin:30px 0 55px}.media-contrast img{height:340px}.media-contrast h2{font-size:32px}
 .safety-feature{grid-template-columns:1fr;gap:22px;padding:20px 20px 26px}.safety-feature img{height:250px}.safety-feature h2{font-size:31px}.safety-list{grid-template-columns:1fr}.safety-list article{padding:22px 0}.privacy-strip{grid-template-columns:1fr;gap:20px;padding:22px}.privacy-strip img{height:220px}.privacy-strip h2{font-size:29px}.faq-page-grid{grid-template-columns:1fr;gap:35px}.faq-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 19px}.faq-aside h2{grid-column:1/-1}.faq-aside img{grid-column:1/-1;height:200px}.faq-item summary{font-size:16px}.missing-page{padding-block:75px 110px}
}
@media (max-width:420px){
 .wrap{width:calc(100% - 30px)}.header-inner{min-height:70px}.wordmark{gap:8px}.brand-mark{height:39px;width:39px;font-size:20px}.wordmark small{font-size:10px}.nav-toggle{font-size:12px;padding:6px 9px}.hero h1{font-size:43px}.hero-lead{font-size:14px}.hero-actions{gap:9px}.hero-actions .button{padding:13px 17px;font-size:12px;min-height:46px}.hero-art img{width:86%}.art-badge{right:1%;padding:11px 15px}.topic-grid{grid-template-columns:1fr}.topic-card,.topic-card-basic,.topic-card-web,.topic-card-media,.topic-card-safety,.topic-card-faq{grid-column:span 1;min-height:220px}.section-heading h2{font-size:28px}.feature-image img{height:270px}.media-preview img{height:250px}.footer-layout{grid-template-columns:1fr}.footer-layout>div:first-child{grid-column:auto}.footer-layout nav{max-width:290px}.page-intro h1{font-size:36px}.page-intro>p:not(.eyebrow){font-size:14px}.article-sidebar{grid-template-columns:1fr}.sidebar-box img{height:175px}.related-grid{grid-template-columns:1fr}.related-link{min-height:125px}.article-block.contained{padding:27px 23px}.problem-row{grid-template-columns:1fr}.problem-row h3{grid-column:auto}.diagnosis-lead h2{font-size:28px}.media-advice{grid-template-columns:1fr}.media-advice article,.media-advice article:nth-child(4),.media-advice article:nth-child(5),.media-advice article:last-child{grid-column:span 1;min-height:0}.media-advice article{padding:24px}.media-hero h1{font-size:36px}.media-hero img{height:230px}.safety-feature img{height:200px}.privacy-strip img{height:190px}.faq-aside{grid-template-columns:1fr}.faq-aside h2,.faq-aside img{grid-column:auto}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}.button:hover,.topic-card:hover,.quick-answers a:hover,.related-link:hover{transform:none}}
@media print{body{background:#fff;color:#000;font-size:11pt}.site-header,.site-footer,.hero-actions,.related,.sidebar-links,.button,.nav-toggle{display:none!important}.wrap{width:100%}.page-wrap{padding:0}.article-layout{display:block}.article-sidebar{display:none}h1,h2,h3{break-after:avoid}.faq-item{break-inside:avoid}.faq-answer{display:block!important}.topic-card{break-inside:avoid}}