:root{--ink: #233029;--jade: #2f5d50;--jade-light: #51796b;--gold: #b08d4f;--gold-light: #d8c08c;--paper: #f7f4ec;--paper-deep: #efe9db;--text: #2e2d28;--muted: #6f6a5e;--line: rgba(35, 48, 41, .12);--serif-en: "Cormorant Garamond", "Noto Serif SC", Georgia, serif;--serif-cn: "Noto Serif SC", "Cormorant Garamond", "Songti SC", serif;--sans: "Noto Sans SC", "Noto Sans KR", "Noto Sans Thai", "Noto Sans Bengali", "Noto Sans Arabic", "PingFang SC", "Malgun Gothic", "Tahoma", "Microsoft YaHei", -apple-system, sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--sans);background:var(--paper);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}::selection{background:#2f5d502e;color:var(--ink)}img,svg{display:block;max-width:100%}a{color:inherit;text-decoration:none}.container{width:min(1140px,92vw);margin:0 auto}.section{padding:120px 0}.kicker{font-size:.95rem;letter-spacing:.35em;color:var(--gold);font-weight:500;margin-bottom:18px}.section-title{font-family:var(--serif-cn);font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:700;color:var(--ink);line-height:1.35;margin-bottom:18px}.section-sub{color:var(--muted);font-size:1.15rem;max-width:620px}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}.reveal{opacity:0}.reveal.visible{animation:fadeUp .7s cubic-bezier(.22,1,.36,1) forwards}@media(prefers-reduced-motion:reduce){.reveal{opacity:1}.reveal.visible{animation:none}.arrow-link-btn,.arrow-link-btn:before,.loop-center g{animation:none}html{scroll-behavior:auto}}.nav{position:fixed;inset:0 0 auto 0;z-index:50;background:#f7f4eceb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:40px;height:40px;border-radius:8px;object-fit:cover;box-shadow:0 2px 8px #1a241f2e}.brand-name{font-family:var(--serif-cn);font-size:1.15rem;font-weight:700;color:var(--ink);letter-spacing:.08em}.nav-links{display:flex;align-items:center;gap:30px;list-style:none}.nav-links a{font-size:1.1rem;color:var(--muted);transition:color .25s}.nav-links a:hover{color:var(--jade)}.nav-links a.nav-shop{padding:6px 18px;border:1px solid var(--gold);border-radius:999px;color:var(--jade);font-size:1.05rem}.nav-links a.nav-shop:hover{background:#b08d4f1f;color:var(--jade)}.lang-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background:var(--paper-deep) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236f6a5e' fill='none' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 12px center;border:1px solid var(--line);border-radius:999px;padding:7px 30px 7px 14px;font-size:1rem;color:var(--ink);cursor:pointer;font-family:var(--sans);transition:border-color .25s}.lang-select:hover{border-color:var(--gold-light)}.lang-select:focus-visible{outline:2px solid var(--gold-light);outline-offset:2px}[dir=rtl] .lang-select{background-position:left 12px center;padding:7px 14px 7px 30px}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:transparent;border:1px solid var(--line);border-radius:10px;cursor:pointer;padding:10px}.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:all .3s}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media(max-width:760px){.nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fdfbf6fa;border-bottom:1px solid var(--line);box-shadow:0 16px 32px #2330291a;padding:10px 4vw 18px;display:none}.nav-links.open{display:flex}.nav-links li{border-bottom:1px solid var(--line)}.nav-links li:last-child{border-bottom:0;padding-top:14px}.nav-links a{display:block;padding:14px 4px;font-size:1.15rem}.nav-links a.nav-shop{border:0;border-radius:0;padding:14px 4px}.lang-select{width:100%}.nav-toggle{display:flex}}.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:radial-gradient(ellipse 55% 45% at 82% 12%,rgba(210,189,140,.16),transparent 62%),linear-gradient(180deg,var(--paper) 0%,#fdfbf5 100%)}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(1.5px 1.5px at 18% 30%,rgba(35,48,41,.1) 50%,transparent 50%),radial-gradient(1.5px 1.5px at 46% 20%,rgba(35,48,41,.08) 50%,transparent 50%),radial-gradient(1.5px 1.5px at 74% 34%,rgba(35,48,41,.09) 50%,transparent 50%);background-size:220px 220px;opacity:.5}.hero-inner{position:relative;z-index:1;padding:130px 0 110px;max-width:860px}.hero-badge{display:inline-flex;align-items:center;gap:12px;font-size:.9rem;letter-spacing:.32em;color:var(--gold);font-weight:500;margin-bottom:30px}.hero-badge:before{content:"";width:46px;height:1px;background:var(--gold)}.hero-title{font-family:var(--serif-cn);font-size:clamp(2.6rem,7vw,5.2rem);font-weight:900;line-height:1.24;color:var(--ink);letter-spacing:.02em}.hero-title em{font-style:normal;color:var(--jade)}.hero-sub{margin-top:28px;font-size:clamp(1rem,1.6vw,1.15rem);color:var(--muted);max-width:560px;font-weight:300;line-height:1.85}.hero-actions{margin-top:44px;display:flex;gap:16px;flex-wrap:wrap}.btn{display:inline-block;padding:14px 34px;border-radius:999px;font-size:1.125rem;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .3s cubic-bezier(.22,1,.36,1),background .3s,box-shadow .3s;font-family:var(--sans)}.btn-primary{background:var(--jade);color:#fdfaf2;box-shadow:0 8px 24px #2f5d5047}.btn-primary:hover{background:#24483e;transform:translateY(-2px)}.btn-ghost{border-color:var(--gold);color:var(--jade);background:transparent}.btn-ghost:hover{background:#b08d4f1a}.btn-shop{background:var(--gold);color:#fdfaf2;box-shadow:0 8px 24px #b08d4f4d}.btn-shop:hover{background:#9c7c42;transform:translateY(-2px)}.hero-stats{margin-top:70px;display:flex;gap:60px;flex-wrap:wrap}.hero-stat b{font-family:var(--serif-cn);font-size:1.35rem;font-weight:700;color:var(--ink);display:block;line-height:1.2}.hero-stat span{font-size:1rem;color:var(--muted);letter-spacing:.05em}.hero-scroll{position:absolute;bottom:34px;left:50%;transform:translate(-50%);font-size:.9rem;letter-spacing:.3em;color:var(--muted);text-transform:uppercase}.hero-scroll:after{content:"";display:block;width:1px;height:44px;margin:10px auto 0;background:linear-gradient(var(--gold),transparent);animation:scrollPulse 2.2s ease-in-out infinite}@keyframes scrollPulse{0%,to{transform:scaleY(1);transform-origin:top}50%{transform:scaleY(.5);transform-origin:top}}.about{background:#fdfbf6}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:50px}.about-text p{color:var(--muted);margin-bottom:18px;font-weight:300}.about-principles{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-content:start}.principle{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:24px 22px;transition:transform .3s cubic-bezier(.22,1,.36,1),border-color .3s,box-shadow .3s}.principle:hover{transform:translateY(-3px);border-color:var(--gold-light);box-shadow:0 10px 26px #2330290f}.principle h4{font-family:var(--serif-cn);font-size:1.08rem;color:var(--jade);margin-bottom:8px}.principle p{font-size:1.05rem;color:var(--muted)}.services{background:var(--paper)}.services-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;margin-bottom:56px}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.service-card{background:#fdfbf6;border:1px solid var(--line);border-radius:16px;padding:34px 28px;position:relative;overflow:hidden;transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s}.service-card:after{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,var(--gold),var(--jade));transform:scaleX(0);transform-origin:left;transition:transform .4s}.service-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px #23302912}.service-card:hover:after{transform:scaleX(1)}.service-icon{width:52px;height:52px;border-radius:12px;background:#2f5d5014;color:var(--jade);display:grid;place-items:center;margin-bottom:20px}.service-card h4{font-family:var(--serif-cn);font-size:1.15rem;color:var(--ink);margin-bottom:10px}.service-card p{font-size:1.05rem;color:var(--muted)}.doctors{background:#fdfbf6}.doctors-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:56px}.doctor-card{text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:36px 20px 30px;transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s}.doctor-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px #23302912}.doctor-avatar{width:84px;height:84px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(135deg,var(--jade),var(--jade-light));color:#fdfaf2;font-family:var(--serif-cn);font-size:1.7rem;font-weight:700;display:grid;place-items:center;box-shadow:0 8px 20px #2f5d5040}.doctor-card h4{font-family:var(--serif-cn);font-size:1.12rem;color:var(--ink)}.doctor-role{display:inline-block;margin-top:6px;font-size:.95rem;letter-spacing:.12em;color:var(--gold)}.doctor-spec{margin-top:10px;font-size:1.05rem;color:var(--muted)}.doctor-note{margin-top:14px;font-size:.95rem;color:#6f6a5eb3;border-top:1px dashed var(--line);padding-top:12px}.contact{background:var(--ink);color:#efe9db}.contact .kicker{color:var(--gold-light)}.contact .section-title{color:#fdfbf6}.contact .section-sub{color:#efe9dbbf}.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:60px;margin-top:56px}.contact-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid rgba(239,233,219,.12)}.contact-item:last-child{border-bottom:0}.contact-item svg{flex-shrink:0;margin-top:4px;color:var(--gold-light)}.contact-item b{display:block;font-size:.95rem;letter-spacing:.2em;color:var(--gold-light);font-weight:500;margin-bottom:4px}.contact-item span{font-size:1.15rem}.wechat-card{background:#efe9db0f;border:1px dashed rgba(176,141,79,.45);border-radius:16px;padding:30px;text-align:center}.wechat-card h4{font-family:var(--serif-cn);font-size:1.15rem;margin-bottom:6px}.wechat-card p{font-size:1rem;color:#efe9dbb3;margin-bottom:20px}.qr-placeholder{width:150px;height:150px;margin:0 auto;border-radius:10px;background:#fff;display:grid;place-items:center;position:relative}.qr-placeholder svg{width:110px;height:110px;color:#233029}.footer{background:#1a241f;color:#efe9dba6;padding:34px 0;font-size:1rem}.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}.footer-brand{font-family:var(--serif-cn);color:#fdfbf6;letter-spacing:.1em}.footer-shop a{color:var(--gold-light);border-bottom:1px solid rgba(216,192,140,.4)}.footer-shop a:hover{color:#fdfbf6}@media(max-width:960px){.about-grid{grid-template-columns:1fr;gap:44px}.services-grid,.doctors-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr}}@media(max-width:620px){.section{padding:84px 0}.services-grid,.doctors-grid,.about-principles{grid-template-columns:1fr}.hero-stats{gap:34px}.hero-scroll{display:none}}[dir=rtl] .hero-title,[dir=rtl] .kicker,[dir=rtl] .hero-badge,[dir=rtl] .hero-scroll,[dir=rtl] .doctor-role,[dir=rtl] .contact-item b,[dir=rtl] .brand-name{letter-spacing:0}[dir=rtl] .hero-badge:before{width:34px}.treat-screen{position:relative;min-height:100vh;display:flex;align-items:center;padding:110px 0 180px}.treat-screen.treat-alt{background:#fdfbf6}.treat-hero{background:radial-gradient(ellipse 55% 45% at 82% 12%,rgba(210,189,140,.16),transparent 62%),linear-gradient(180deg,var(--paper) 0%,#fdfbf5 100%)}.treat-title{font-family:var(--serif-cn);font-size:clamp(2rem,4.6vw,3.4rem);font-weight:900;line-height:1.28;color:var(--ink);max-width:780px}.treat-sub{margin-top:22px;font-size:clamp(1rem,1.5vw,1.12rem);color:var(--muted);max-width:640px;font-weight:300;line-height:1.85}.arrow-link{position:absolute;bottom:46px;left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:16px;pointer-events:none}.arrow-link-label{font-size:1.05rem;letter-spacing:.14em;color:var(--gold);font-weight:600}.arrow-link-btn{position:relative;width:58px;height:58px;border:2px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold);background:radial-gradient(circle,rgba(176,141,79,.14),transparent 72%);box-shadow:0 4px 18px #b08d4f38;animation:arrowTravel 1.4s ease-in-out infinite}.arrow-link-btn:before{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;border:2px solid var(--gold);border-radius:50%;animation:ringPulse 2.2s ease-out infinite}@keyframes ringPulse{0%{transform:scale(1);opacity:.7}to{transform:scale(1.65);opacity:0}}@keyframes arrowTravel{0%{transform:translateY(-10px);opacity:0}22%{opacity:1}70%{opacity:1}to{transform:translateY(44px);opacity:0}}.treat-h3{font-family:var(--serif-cn);font-size:1.22rem;color:var(--ink);margin-top:52px;margin-bottom:22px}.treat-h3-gap{margin-top:46px}.treat-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}.treat-cards-3{grid-template-columns:repeat(3,1fr)}.treat-card{background:#fdfbf6;border:1px solid var(--line);border-radius:16px;padding:28px 26px;transition:transform .3s cubic-bezier(.22,1,.36,1),border-color .3s,box-shadow .3s}.treat-alt .treat-card{background:var(--paper)}.treat-card:hover{transform:translateY(-3px);border-color:var(--gold-light);box-shadow:0 10px 26px #2330290f}.treat-card h4{font-family:var(--serif-cn);font-size:1.1rem;color:var(--jade);margin-bottom:10px}.treat-card p{font-size:1.1rem;color:var(--muted);line-height:1.8}.treat-card-good{border-color:#2f5d5059}.treat-card-bad{border-color:#a8323259}.treat-card-bad h4{color:#a83232}.treat-emphasis{margin:46px auto 0;font-family:var(--serif-cn);font-size:1.15rem;color:var(--jade);text-align:center;max-width:740px;line-height:1.85}.treat-cantos{margin-top:42px;background:linear-gradient(160deg,#fdfbf6,#d2bd8c24);border:1px solid rgba(176,141,79,.35);border-radius:16px;padding:30px 32px}.treat-cantos h4{font-family:var(--serif-cn);font-size:1.15rem;color:var(--jade);margin-bottom:10px}.treat-cantos p{font-size:1.1rem;color:var(--muted);line-height:1.85}.treat-chain{list-style:none;margin:48px auto 0;max-width:820px}.treat-chain-item{position:relative;padding:26px 30px;background:#fdfbf6;border:1px solid var(--line);border-radius:16px;margin-bottom:46px}.treat-chain-item:last-child{margin-bottom:0}.treat-chain-head{display:flex;align-items:baseline;gap:14px;margin-bottom:10px}.treat-chain-no{font-family:var(--serif-en);font-size:1.4rem;font-weight:700;color:var(--gold)}.treat-chain-head h4{font-family:var(--serif-cn);font-size:1.12rem;color:var(--ink)}.treat-chain-item p{font-size:1.1rem;color:var(--muted);line-height:1.85}.treat-chain-arrow{position:absolute;left:50%;bottom:-40px;transform:translate(-50%);width:2.5px;height:32px;background:var(--gold);border-radius:2px}.treat-chain-arrow:after{content:"";position:absolute;bottom:-1px;left:50%;transform:translate(-50%);border-left:7px solid transparent;border-right:7px solid transparent;border-top:9px solid var(--gold)}.treat-data{margin-top:36px;padding:16px 22px;background:#2f5d500f;border-left:3px solid var(--jade);border-radius:0 10px 10px 0;font-size:1.05rem;color:var(--text);line-height:1.8}.vessel-compare{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin:44px 0 8px}.vessel{margin:0;background:#fdfbf6;border:1px solid var(--line);border-radius:16px;padding:26px 22px 18px}.treat-alt .vessel{background:var(--paper)}.vessel svg{width:100%;height:auto}.vessel-label{font-family:var(--serif-en);font-size:15px;fill:var(--muted);letter-spacing:.04em}.vessel figcaption{margin-top:14px;font-size:1rem;color:var(--muted);text-align:center;line-height:1.6}.treat-formulas{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}.treat-formula-card{background:#fdfbf6;border:1px solid var(--line);border-radius:16px;padding:28px 26px}.treat-alt .treat-formula-card{background:var(--paper)}.treat-formula-card h4{font-family:var(--serif-cn);font-size:1.15rem;color:var(--ink);margin-bottom:6px}.treat-formula-card p{font-size:1.05rem;color:var(--muted);margin-top:10px;line-height:1.8}.formula{padding:14px 0 6px;overflow-x:auto;color:var(--jade)}.formula .katex{font-size:1.12em}.treat-highlight-card{display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--jade),#24483e);border:none}.treat-highlight{font-family:var(--serif-cn);font-size:1.18rem;color:#fdf6ec;text-align:center;line-height:1.8}.treat-shear-formula{max-width:560px;margin:42px auto 0;text-align:center}.treat-heat{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;margin-top:48px;align-items:center}.treat-heat-formulas{display:flex;flex-direction:column;gap:20px}.treat-loop-wrap{text-align:center;background:#fdfbf6;border:1px solid var(--line);border-radius:16px;padding:30px 26px}.treat-alt .treat-loop-wrap{background:var(--paper)}.treat-loop-wrap h4{font-family:var(--serif-cn);font-size:1.05rem;color:var(--ink);margin-bottom:18px}.treat-loop-wrap>p{font-size:1.05rem;color:var(--muted);margin-top:18px;line-height:1.8}.loop-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:42px 64px;max-width:520px;margin:0 auto}.loop-cell{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;text-align:center}.treat-alt .loop-cell{background:#fdfbf6}.loop-cell-no{display:block;font-family:var(--serif-en);font-size:1rem;font-weight:700;color:var(--gold);margin-bottom:4px}.loop-cell p{font-size:1.05rem;color:var(--text);line-height:1.6}.loop-center{position:absolute;top:50%;left:50%;width:52px;height:52px;transform:translate(-50%,-50%);color:var(--gold);pointer-events:none}.treat-table-wrap{margin-top:44px;overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fdfbf6}.treat-alt .treat-table-wrap{background:var(--paper)}.treat-table{width:100%;border-collapse:collapse;font-size:1.1rem}.treat-table th{font-family:var(--serif-cn);text-align:left;padding:16px 20px;color:var(--jade);border-bottom:1px solid var(--line);font-size:1.1rem;white-space:nowrap}.treat-table td{padding:15px 20px;color:var(--muted);border-bottom:1px solid var(--line);vertical-align:top;line-height:1.7}.treat-table tr:last-child td{border-bottom:0}.treat-table td:first-child{color:var(--text)}.treat-tcm{font-family:var(--serif-cn);color:var(--ink)!important;font-weight:700;white-space:nowrap}.treat-param{position:relative;padding-top:30px}.treat-param-symbol{display:inline-block;font-family:var(--serif-en);font-size:1.15rem;font-weight:700;color:var(--gold);border:1px solid rgba(176,141,79,.45);border-radius:10px;padding:4px 12px;margin-bottom:14px;background:#b08d4f12}.treat-targets{margin-top:48px}.treat-target-row{display:flex;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}.treat-target-row:last-child{border-bottom:0}.treat-target-no{flex-shrink:0;font-family:var(--serif-en);font-size:1.5rem;font-weight:700;color:var(--gold);line-height:1.3}.treat-target-row h4{font-family:var(--serif-cn);font-size:1.12rem;color:var(--jade);margin-bottom:8px}.treat-target-row p{font-size:1.1rem;color:var(--muted);line-height:1.85}.treat-head-center{text-align:center}.treat-head-center .section-sub{margin-left:auto;margin-right:auto}.treat-facts{margin-top:44px;max-width:780px;border-left:3px solid var(--gold);padding-left:26px}.treat-facts .treat-h3{margin-top:0}.treat-facts p{color:var(--text);margin-bottom:16px;line-height:1.85}.treat-disclaimer{font-size:1rem;color:var(--muted)!important;margin-top:22px}.course-anim{margin-top:44px;background:#fffdf8;border:1px solid var(--line);border-radius:18px;padding:26px 26px 20px;box-shadow:0 18px 44px #23302914}.course-anim-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.course-anim-label{font-size:.95rem;letter-spacing:.22em;color:var(--gold);font-weight:600}.course-anim-dots{display:flex;gap:8px}.course-anim-dots span{width:8px;height:8px;border-radius:50%;background:var(--line);transition:background .4s,transform .4s}.course-anim-dots span.on{background:var(--gold);transform:scale(1.3)}.course-anim svg{width:100%;height:auto;display:block}.course-anim-bp{font-family:var(--serif-en);font-size:19px;font-weight:700}.course-anim-note{font-family:var(--serif-en);font-size:11px;letter-spacing:.1em}.course-anim-readouts{display:flex;flex-wrap:wrap;gap:10px 14px;justify-content:center;margin-top:16px}.course-anim-readouts span{font-family:var(--serif-en);font-size:1rem;color:var(--ink);background:#2f5d5012;border:1px solid var(--line);border-radius:999px;padding:5px 14px;white-space:nowrap;min-width:92px;text-align:center}.course-anim-caption{margin:18px auto 2px;max-width:660px;text-align:center;font-family:var(--serif-cn);font-size:1.1rem;color:var(--ink);line-height:1.75;min-height:3.2em;animation:fadeUp .6s cubic-bezier(.22,1,.36,1)}.echo-case{margin-top:64px}.echo-case .treat-h3{margin-top:0}.echo-case-sub{color:var(--muted);max-width:680px;line-height:1.85;font-size:1.05rem}.echo-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:center;margin-top:30px}.echo-panel{background:#fffdf8;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 14px 36px #23302912}.echo-screen{position:relative}.echo-screen img{display:block;width:100%;height:auto;aspect-ratio:3 / 2;object-fit:cover;background:#0e1418}.echo-tag{position:absolute;left:12px;bottom:12px;font-size:.9rem;padding:4px 12px;border-radius:999px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.echo-tag-bad{background:#a83232e0;color:#fdf6ec}.echo-tag-good{background:#2f5d50e0;color:#fdf6ec}.echo-panel figcaption{padding:16px 20px 18px}.echo-panel figcaption b{display:block;font-family:var(--serif-cn);font-size:1.05rem;color:var(--ink);margin-bottom:8px}.echo-panel ul{list-style:none}.echo-panel li{font-size:.95rem;color:var(--muted);line-height:1.7;padding-left:16px;position:relative}.echo-panel li:before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--gold)}.echo-arrow{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--gold)}.echo-arrow-icon{font-size:1.6rem}.echo-arrow-label{font-size:.95rem;letter-spacing:.1em;white-space:nowrap}.echo-case-note{margin-top:22px;font-size:.95rem;color:var(--muted);text-align:center}.echo-details{margin-top:28px;text-align:center}.echo-details summary{display:inline-block;cursor:pointer;list-style:none;font-size:1rem;font-weight:600;letter-spacing:.06em;color:var(--jade);background:#fffdf8;border:1px solid var(--line);border-radius:999px;padding:9px 22px;transition:background .25s}.echo-details summary::-webkit-details-marker{display:none}.echo-details summary:after{content:"＋";margin-left:10px;color:var(--gold)}.echo-details[open] summary:after{content:"－"}.echo-details summary:hover{background:var(--paper-deep)}.echo-table-wrap{margin-top:18px;text-align:left;overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fdfbf6;padding-bottom:6px}.echo-table th,.echo-table td{padding:10px 18px;font-size:1rem}.echo-table thead th{padding-top:16px}.echo-table .echo-group{padding-top:18px;color:var(--gold);font-size:.95rem;letter-spacing:.12em}.echo-table td:first-child{font-family:var(--serif-en)}.echo-params-note{margin:12px 18px 6px;font-size:.9rem;color:var(--muted)}@media(max-width:860px){.echo-grid{grid-template-columns:1fr}.echo-arrow{flex-direction:row}.echo-arrow-icon{transform:rotate(90deg)}}.treat-cta{background:var(--ink);color:#efe9db;padding:90px 0;text-align:center}.treat-cta h2{font-family:var(--serif-cn);font-size:clamp(1.6rem,3vw,2.3rem);color:#fdfbf6;margin-bottom:12px}.treat-cta p{color:#efe9dbbf;margin-bottom:34px}.treat-cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.treat-cta .btn-ghost{color:var(--gold-light);border-color:#d8c08c80}@media(max-width:960px){.treat-formulas,.treat-cards-3,.vessel-compare,.treat-heat{grid-template-columns:1fr}}@media(max-width:620px){.treat-screen{padding:88px 0 110px}.treat-cards{grid-template-columns:1fr}.treat-chain-item{padding:22px 20px}.loop-grid{gap:34px 44px}.arrow-link-label{font-size:.95rem;text-align:center;padding:0 20px}}