:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif; color: #17212b; background: #f4f7f8; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
.shell { width: min(100% - 64px, 1080px); margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; }
.brand { display: flex; align-items: baseline; gap: 12px; padding: 30px 0; color: #52616b; font-size: 14px; border-bottom: 1px solid #dbe4e6; }
.brand a { color: #0a6f75; font-size: 25px; font-weight: 750; text-decoration: none; }
.brand-name { color: #17212b; font-size: 18px; font-weight: 650; letter-spacing: .04em; }
.trust-mark { color: #0a6f75; font-family: "STKaiti", "KaiTi", "Baskerville", serif; font-weight: 700; }
.brand-site { margin-left: auto; color: #89969b; font-size: 12px; letter-spacing: .08em; }
.panel { margin: auto 0; }
.narrow { width: min(100%, 480px); margin-left: auto; margin-right: auto; padding: 48px 0 64px; }
.hero { margin: 0; padding: clamp(72px, 12vh, 132px) 0 clamp(72px, 10vh, 108px); }
.hero-copy { max-width: 940px; }
.eyebrow { margin: 0 0 22px; color: #0a6f75; font-size: 12px; font-weight: 750; letter-spacing: .16em; }
.trust-glyph { color: #0a6f75 !important; font-family: "STKaiti", "KaiTi", "Baskerville", serif; font-weight: 700; }
h1 { margin: 0 0 18px; color: #17212b; font-family: "Songti SC", "STSong", Georgia, serif; font-size: clamp(42px, 5vw, 64px); line-height: 1.28; letter-spacing: 0; font-weight: 500; }
.hero h1 { font-family: "STKaiti", "KaiTi", "Kaiti SC", "FZKai-Z03", "AR PL UKai CN", "Songti SC", "STSong", serif; line-height: 1.38; letter-spacing: .03em; font-weight: 400; }
p { line-height: 1.7; }
.hero-source { margin: 0 0 26px; color: #0a6f75; font-size: 13px; font-weight: 700; }
.hero-meaning { max-width: 760px; margin: 0 0 24px; color: #52616b; font-size: 20px; line-height: 1.6; }
.lede { max-width: 860px; margin: 0 0 32px; color: #52616b; font-size: 17px; line-height: 1.85; }
blockquote { margin: 0 0 18px; color: #17212b; font-family: Georgia, "Songti SC", "STSong", serif; font-size: clamp(28px, 3.5vw, 42px); line-height: 1.45; }
.ran-band { margin: 0; padding: clamp(40px, 5vw, 64px); background: #0b3b40; color: #e8f4f2; }
.ran-head { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(32px, 6vw, 80px); align-items: start; padding-bottom: clamp(32px, 4vw, 44px); border-bottom: 1px solid rgba(232, 244, 242, .16); }
.ran-band .eyebrow { margin-bottom: 14px; color: #5fd8c8; }
.ran-band h2 { margin: 0; color: #fff; font-family: Georgia, "Songti SC", "STSong", serif; font-size: clamp(28px, 3vw, 40px); font-weight: 500; line-height: 1.35; }
.ran-copy { margin: 0 0 4px; color: #b8d2cf; font-size: 15px; line-height: 1.95; }
.ran-copy .trust-glyph { display: inline-block; margin: 0 .08em; color: #5fd8c8 !important; font-size: 1.5em; line-height: .8; transform: translateY(.06em); }
.ran-quotes { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(32px, 4vw, 44px); }
.ran-quotes figure { margin: 0; padding: 0 clamp(20px, 3vw, 34px); border-left: 1px solid rgba(232, 244, 242, .14); }
.ran-quotes figure:first-child { padding-left: 0; border-left: 0; }
.ran-quotes figure:last-child { padding-right: 0; }
.ran-quotes blockquote { margin: 0 0 16px; color: #fff; font-family: Georgia, "Songti SC", "STSong", serif; font-size: clamp(22px, 2.5vw, 30px); line-height: 1.5; }
.ran-quotes figcaption { margin: 0 0 14px; color: #5fd8c8; font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.ran-quotes figure p { margin: 0; color: #96b7b3; font-size: 13px; line-height: 1.8; }
.ran-motto { margin: clamp(32px, 4vw, 44px) 0 0; padding-top: 24px; border-top: 1px solid rgba(232, 244, 242, .16); color: #d6e9e6; font-family: Georgia, "Songti SC", "STSong", serif; font-size: clamp(15px, 1.7vw, 19px); letter-spacing: .06em; line-height: 1.8; text-align: center; }
.button { display: inline-flex; align-items: center; gap: 14px; border: 0; border-radius: 5px; padding: 14px 20px; background: #0a6f75; color: white; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.button span { font-size: 18px; line-height: 1; }
.button:hover { background: #07545a; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #cbd7da; border-bottom: 1px solid #cbd7da; }
.principle { display: flex; gap: 16px; padding: 26px 28px 28px 0; }
.principle + .principle { padding-left: 28px; border-left: 1px solid #cbd7da; }
.principle-index { color: #0a6f75; font-size: 12px; font-weight: 750; letter-spacing: .1em; }
h2 { margin: 0 0 7px; font-size: 16px; line-height: 1.4; }
.principle p { margin: 0; color: #64727a; font-size: 13px; line-height: 1.7; }
.muted { color: #64727a; }
.notice { padding: 16px; border-left: 3px solid #d59a32; background: #fff8ea; }
form { margin-top: 28px; }
label { display: block; margin-bottom: 8px; font-weight: 650; }
input { width: 100%; padding: 13px 14px; border: 1px solid #b7c4c9; border-radius: 5px; background: white; font: inherit; margin-bottom: 16px; }
.secondary { background: #e5edef; color: #234149; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
footer { display: flex; gap: 8px; margin-top: auto; padding: 28px 0; color: #7a878d; font-size: 13px; }
footer a { color: inherit; }
@media (max-width: 700px) { .shell { width: min(100% - 40px, 560px); } .brand { padding: 24px 0; } .brand-site { display: none; } .hero { padding: 56px 0 56px; } h1 { font-size: clamp(34px, 9vw, 48px); } .ran-band { margin: 0 -20px; padding: 40px 20px; } .ran-head { display: block; } .ran-copy { margin-top: 24px; } .ran-quotes { display: block; } .ran-quotes figure, .ran-quotes figure:first-child, .ran-quotes figure:last-child { padding: 24px 0; border-left: 0; } .ran-quotes figure + figure { border-top: 1px solid rgba(232, 244, 242, .14); } .principles { display: block; } .principle, .principle + .principle { padding: 22px 0; border-left: 0; } .principle + .principle { border-top: 1px solid #cbd7da; } }
@media (max-width: 420px) { .shell { width: min(100% - 32px, 560px); } .brand { gap: 9px; font-size: 13px; } .hero-meaning { font-size: 18px; } .lede { font-size: 16px; } .ran-band { margin: 0 -16px; padding: 36px 16px; } footer { flex-wrap: wrap; } }