/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.relative{position:relative}.start{inset-inline-start:var(--spacing)}.table{display:table}}:root{--ink:#071b43;--blue:#145dca;--ice:#eaf3ff;--line:#ffffff40}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:#f5f8fc;margin:0;font-family:PingFang SC,Microsoft YaHei,Noto Sans CJK SC,Arial,sans-serif}button,a,select{font:inherit}button{color:inherit}a{color:inherit;text-decoration:none}.hero{color:#fff;isolation:isolate;background:linear-gradient(90deg,#020d232b 0%,#0418390d 48%,#fff0 100%),url(/hero-space-gradient.png) 50%/cover no-repeat,#071b42;min-height:100svh;position:relative;overflow:hidden}.hero:before,.hero:after{content:"";z-index:-1;pointer-events:none;position:absolute;inset:auto}.hero:before{border:1px solid #76b2ff2b;border-radius:50%;width:73vw;height:73vw;top:13%;left:35%;box-shadow:0 0 80px #378fff1f}.hero:after{border:1px solid #76b2ff21;border-radius:50%;width:46vw;height:46vw;top:32%;left:48%}.nav-shell{z-index:30;justify-content:space-between;align-items:center;height:108px;padding:0 4.5vw;display:flex;position:relative}.brand{align-items:center;gap:11px;display:flex}.brand-logo{width:136px;height:auto;display:block}.brand-zhihu{letter-spacing:4px;font-family:STKaiti,KaiTi,serif;font-size:30px}.brand-tech{letter-spacing:2px;color:#dfeaff;background:#ffffff24;border-radius:18px;padding:5px 11px;font-size:13px}.nav-links{letter-spacing:2px;align-items:center;gap:42px;font-size:15px;display:flex}.nav-links>a{opacity:.74;transition:opacity .25s,transform .25s}.nav-links>a:hover{opacity:1;transform:translateY(-2px)}.nav-links .nav-cta{opacity:1;border:1px solid #ffffff61;border-radius:40px;padding:12px 21px}.menu-button{color:#fff;background:0 0;border:0;display:none}.hero-copy{z-index:10;width:38vw;max-width:640px;position:absolute;top:29%;left:6vw}.eyebrow{letter-spacing:.28em;color:#9dc3ff;margin:0 0 22px;font-size:11px;font-weight:600}.hero-title{margin:0}.hero-title img{filter:drop-shadow(0 5px 22px #5096ff2e);width:100%;height:auto;display:block}.hero-lead{color:#c3d7f4;letter-spacing:.12em;width:88%;margin:34px 0 30px;font-size:15px;line-height:1.9}.primary-button{background:linear-gradient(#ffffff21,#ffffff0a);border:1px solid #ffffff9e;border-radius:40px;align-items:center;gap:10px;padding:14px 22px;transition:transform .25s,box-shadow .25s;display:inline-flex;box-shadow:inset 0 0 16px #ffffff1c,0 8px 30px #00286e40}.primary-button:hover{transform:translateY(-3px);box-shadow:inset 0 0 20px #ffffff2e,0 12px 34px #00286e5c}.primary-button b{margin-left:10px;font-size:18px}.bubble-field{position:absolute;inset:100px 0 0 42%}.bubble{--size:190px;width:var(--size);height:var(--size);color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:radial-gradient(circle at 21% 17%,#ffffffa6 0 .7%,#0000 5.5%),radial-gradient(circle at 76% 82%,#ffaeeb2e 0 1.5%,#0000 12%),radial-gradient(circle at 32% 25%,#fff3,#97caff1a 25%,#2c74d914 60%,#041e4c33 100%);border:1px solid #daeeff6e;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;padding:0;transition:transform .45s cubic-bezier(.2,.8,.2,1),filter .35s,opacity .35s;animation:7s ease-in-out infinite float;display:flex;position:absolute;box-shadow:inset 7px 10px 20px #ffffff1a,inset -14px -19px 32px #07338333,0 0 1px #f1f9ffb3,0 0 14px #90caff47,0 0 34px #3f8df429}.bubble:before{content:"";filter:blur(3px);opacity:.62;background:linear-gradient(#ffffffad,#d6ebff29 52%,#0000 84%);border-radius:50%;width:59%;height:25%;position:absolute;top:7%;left:15%;transform:rotate(-18deg)}.bubble:after{content:"";border-radius:inherit;border:1px solid #ffffff85;border-color:#ffffff85 #70b1ff14 #a6d3ff2e #d2ebff3d;position:absolute;inset:3px;box-shadow:inset 3px 3px 9px #ffffff0a}.bubble:hover,.bubble.active{filter:brightness(1.15)saturate(1.03);transform:scale(1.07)}.bubble.active{box-shadow:inset 8px 11px 22px #ffffff21,inset -14px -19px 32px #07338333,0 0 1px #f8fcffc7,0 0 18px #b5dcff66,0 0 46px #4397ff42}.bubble-en{letter-spacing:-.04em;z-index:1;color:#fffffff5;text-shadow:0 2px 9px #00226047;font-family:Segoe Print,Bradley Hand,Comic Sans MS,cursive;font-size:37px;font-style:italic;font-weight:400;line-height:1;position:relative;transform:rotate(-2deg)}.bubble-cn{color:#e7f1ff;letter-spacing:.12em;z-index:1;text-shadow:0 2px 8px #001f5461;max-width:76%;margin-top:11px;font-family:STKaiti,KaiTi,serif;font-size:14px;line-height:1.35;position:relative}.bubble-count{z-index:2;color:#ffffffd6;background:#0418425c;border:1px solid #ebf7ff8f;border-radius:50%;place-items:center;width:24px;height:24px;font:10px Georgia,serif;display:grid;position:absolute;bottom:18%;right:14%;box-shadow:inset 0 0 8px #98ccff2e}.bubble-one{--size:282px;animation-delay:-.6s;top:22%;left:20%}.bubble-two{--size:158px;animation-delay:-2.2s;top:5%;right:6%}.bubble-three{--size:170px;animation-delay:-3.8s;bottom:9%;left:1%}.bubble-four{--size:178px;background-color:#1d6fce47;animation-delay:-5.1s;bottom:5%;right:10%}.bubble-four .bubble-en{color:#fff;text-shadow:0 2px 12px #001b4ab3,0 0 4px #001b4a73;font-weight:600}.bubble-four .bubble-cn{color:#fff;text-shadow:0 2px 10px #001b4ab8}.bubble-five{--size:142px;animation-delay:-6.2s;top:4%;left:2%}@keyframes float{0%,to{margin-top:0}50%{margin-top:-13px}}.liu-kanshan{z-index:8;pointer-events:auto;cursor:pointer;transform-origin:50% 52%;will-change:transform;filter:drop-shadow(0 18px 24px #03194340);width:clamp(170px,15vw,255px);height:auto;animation:8.5s ease-in-out infinite roam;position:absolute;top:14%;left:63%}.liu-kanshan:hover{animation:1.25s cubic-bezier(.55,.02,.24,1) tumble}@keyframes roam{0%,to{transform:translate(0)rotate(7deg)}50%{transform:translate(12px,-15px)rotate(3deg)}}@keyframes tumble{0%{transform:translate(0)rotate(7deg)scale(1)}42%{transform:translate(12px,-22px)rotate(190deg)scale(1.04)}72%{transform:translate(-5px,-9px)rotate(310deg)scale(.98)}to{transform:translate(0)rotate(367deg)scale(1)}}.floating-panel{z-index:15;color:#fff;-webkit-backdrop-filter:blur(26px)saturate(1.16);backdrop-filter:blur(26px)saturate(1.16);text-shadow:0 1px 10px #002c6b52;background:linear-gradient(145deg,#d5ebff94,#5399e766);border:1px solid #ffffff94;border-radius:22px;width:min(32vw,470px);padding:28px 28px 22px;transition:top .24s,right .24s,left .24s;animation:.22s both panelIn;position:absolute;top:36%;right:5vw;box-shadow:inset 0 1px #ffffff7a,0 24px 65px #0029673d}.floating-panel:before{content:"";-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#8ec0f37a;border-bottom:1px solid #ffffff94;border-left:1px solid #ffffff94;width:18px;height:18px;position:absolute;top:74px;left:-10px;transform:rotate(45deg)}.panel-anchor-0{top:36%;right:5vw}.panel-anchor-1{top:20%;right:10vw}.panel-anchor-2{top:41%;left:47vw;right:auto}.panel-anchor-3{top:49%;right:9vw}.panel-anchor-4{top:17%;left:46vw;right:auto}.panel-anchor-1:before,.panel-anchor-3:before{left:auto;right:-10px;transform:rotate(225deg)}.panel-close{z-index:2;color:#fff;cursor:pointer;text-shadow:0 1px 7px #00275c61;background:#145baf2e;border:1px solid #ffffff6b;border-radius:50%;place-items:center;width:28px;height:28px;font-size:18px;line-height:1;display:grid;position:absolute;top:10px;right:12px}.panel-close:hover{background:#145baf57}.panel-heading{justify-content:space-between;align-items:flex-start;display:flex}.panel-heading p{color:#f0f7ff;letter-spacing:.2em;margin:0 0 5px;font-size:10px}.panel-heading h2{margin:0;font-family:STKaiti,KaiTi,serif;font-size:28px;font-weight:400}.panel-heading>span{color:#fff;background:#2367bb1f;border:1px solid #ffffff80;border-radius:16px;padding:5px 10px;font-size:11px}.panel-note{color:#f1f7ff;margin:8px 0 17px;font-size:12px}.panel-events{border-top:1px solid #ffffff61}.panel-events.can-scroll{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#ffffffa6 transparent;max-height:min(240px,34vh);overflow:hidden auto}.panel-events.can-scroll::-webkit-scrollbar{width:5px}.panel-events.can-scroll::-webkit-scrollbar-thumb{background:#ffffff94;border-radius:5px}.mini-event{color:#fff;text-align:left;cursor:pointer;background:0 0;border:0;border-bottom:1px solid #ffffff57;grid-template-columns:29px minmax(0,1fr) 22px;align-items:start;gap:10px;width:100%;padding:13px 0;display:grid}.mini-event i{color:#edf6ff;font:10px Georgia,serif}.mini-event strong{white-space:normal;overflow-wrap:anywhere;font-size:13px;line-height:1.45;display:block}.mini-event small{color:#edf5ff;margin-top:5px;font-size:10px;display:block}.mini-event b{transition:transform .25s}.mini-event:hover b{transform:translate(3px,-3px)}.floating-panel>a{color:#fff;justify-content:space-between;padding-top:16px;font-size:12px;font-weight:600;display:flex}@keyframes panelIn{0%{opacity:0;transform:translateY(8px)scale(.98)}}.scroll-mark{z-index:5;color:#ffffff8a;letter-spacing:.24em;text-align:center;font-size:9px;position:absolute;bottom:25px;left:50%;transform:translate(-50%)}.scroll-mark i{background:linear-gradient(#fff,#0000);width:1px;height:30px;margin:0 auto 9px;display:block}.archive{background:linear-gradient(#d9eaff 0%,#f3f7fc 7%,#fff 37% 72%,#f2f7fd 86%,#cfdef2 95%,#103363 100%);padding:120px 6vw 150px;position:relative}.archive:before{content:"";pointer-events:none;background:radial-gradient(circle,#70a8ef26,#0000 68%);border-radius:50%;width:560px;height:560px;position:absolute;top:15%;right:-150px}.section-heading{justify-content:space-between;align-items:end;max-width:1440px;margin:0 auto 70px;display:flex}.eyebrow.dark{color:#4b75ab}.section-heading h2{letter-spacing:.04em;margin:0;font-family:STKaiti,KaiTi,serif;font-size:clamp(40px,4.5vw,68px);font-weight:400;line-height:1.25}.section-intro{color:#71809a;letter-spacing:.05em;max-width:430px;margin:0 0 8px;font-size:14px;line-height:1.9}.filter-row{border-bottom:1px solid #cdd9e8;justify-content:space-between;align-items:center;max-width:1440px;margin:0 auto 34px;display:flex}.category-tabs{gap:42px;display:flex}.category-tabs button{color:#8190a5;cursor:pointer;background:0 0;border:0;padding:16px 2px;position:relative}.category-tabs button.active{color:#0d3c80;font-weight:600}.category-tabs button.active:after{content:"";background:#176fe5;height:2px;position:absolute;bottom:-1px;left:0;right:0}.category-tabs sup{color:#6f8fb7;margin-left:5px;font:9px Georgia,serif}.filter-row select{color:#5d6f88;background:0 0;border:0;outline:none;padding:12px 25px 12px 10px}.event-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:1440px;margin:0 auto;display:grid}.event-card{background:#fff;border:1px solid #dce5f0;border-radius:20px;transition:transform .35s,box-shadow .35s;overflow:hidden;box-shadow:0 16px 50px #1437640f}.event-card:hover{transform:translateY(-7px);box-shadow:0 24px 60px #14376421}.event-card>button{text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:42% 58%;width:100%;padding:0;display:grid}.card-visual{background:radial-gradient(circle at 68% 72%, var(--accent), transparent 32%), linear-gradient(145deg, #061630, #0c326c 66%, var(--accent));min-height:300px;position:relative;overflow:hidden}@supports (color:color-mix(in lab, red, red)){.card-visual{background:radial-gradient(circle at 68% 72%, color-mix(in srgb, var(--accent), white 25%), transparent 32%), linear-gradient(145deg, #061630, #0c326c 66%, color-mix(in srgb, var(--accent), #0b3472 50%))}}.card-visual:before{content:"";opacity:.58;background-image:radial-gradient(circle at 15% 20%,#fff 0 1px,#0000 1.5px),radial-gradient(circle at 80% 15%,#fff 0 1px,#0000 1.5px),radial-gradient(circle at 47% 64%,#fff 0 1px,#0000 1.5px);background-size:120px 110px,170px 130px,150px 160px;position:absolute;inset:0}.card-visual.has-photo:before{z-index:1;opacity:1;background:linear-gradient(#02112b1f,#02112bad)}.card-visual>img{object-fit:cover;width:100%;height:100%;transition:transform .6s;position:absolute;inset:0}.event-card:hover .card-visual>img{transform:scale(1.045)}.card-index{z-index:2;color:#ffffffb8;letter-spacing:.12em;font:12px Georgia,serif;position:absolute;top:22px;left:22px}.card-category{z-index:2;color:#ffffffe6;letter-spacing:.14em;font-size:11px;position:absolute;bottom:20px;left:22px}.planet{background:radial-gradient(circle at 30% 25%, #ffffffb8, var(--accent) 22%, #215faf59 62%, #031941d9);border:1px solid #fff9;border-radius:50%;width:125px;height:125px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@supports (color:color-mix(in lab, red, red)){.planet{background:radial-gradient(circle at 30% 25%, #ffffffb8, color-mix(in srgb, var(--accent), transparent 72%) 22%, #215faf59 62%, #031941d9)}}.planet{box-shadow:inset 10px 12px 25px #ffffff2b, 0 0 26px var(--accent)}@supports (color:color-mix(in lab, red, red)){.planet{box-shadow:inset 10px 12px 25px #ffffff2b, 0 0 26px color-mix(in srgb, var(--accent), transparent 40%)}}.planet i{filter:blur(5px);background:#ffffff80;border-radius:50%;width:42%;height:18%;position:absolute;top:9%;left:16%;transform:rotate(-18deg)}.orbit{border:1px solid #b7d6ff3d;border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(-20deg)}.orbit-a{width:230px;height:90px}.orbit-b{width:310px;height:140px;transform:translate(-50%,-50%)rotate(32deg)}.card-body{flex-direction:column;padding:30px 32px;display:flex}.card-meta{color:#73849a;letter-spacing:.05em;flex-wrap:wrap;gap:9px 18px;font-size:11px;display:flex}.card-body h3{margin:28px 0 12px;font-family:STKaiti,KaiTi,serif;font-size:26px;font-weight:600;line-height:1.45}.card-body p{color:#738198;margin:0;font-size:13px;line-height:1.75}.card-link{color:#185fbd;border-top:1px solid #e5ebf2;justify-content:space-between;margin-top:auto;padding-top:25px;font-size:12px;display:flex}.empty-state{text-align:center;color:#7b899c;max-width:1440px;margin:70px auto}.category-statement{background:linear-gradient(120deg,#c0dbffeb,#e7f1fff5);border:1px solid #145bbe4d;border-left:5px solid #176fe5;border-radius:20px;grid-template-columns:190px 1fr;align-items:start;gap:34px;max-width:1440px;margin:0 auto 28px;padding:32px 38px;display:grid;box-shadow:0 18px 48px #1943791f}.category-statement span{color:#075ecb;letter-spacing:.2em;padding-top:6px;font-size:11px;font-weight:700}.category-statement p{color:#123d73;letter-spacing:.03em;margin:0;font:600 20px/1.85 STKaiti,KaiTi,serif}.manifesto{text-align:center;color:#fff;background:radial-gradient(circle at 50% 115%,#236bc9 0,#0000 44%),linear-gradient(#103363 0%,#092a5d 27%,#06142f 100%);flex-direction:column;justify-content:center;align-items:center;min-height:540px;padding:110px 7vw;display:flex;position:relative;overflow:hidden}.manifesto:after{content:"";border:1px solid #8bbcff2e;border-radius:50%;width:660px;height:660px;position:absolute;bottom:-530px}.manifesto h2{letter-spacing:.04em;margin:0 0 40px;font:400 clamp(39px,4.2vw,66px)/1.45 STKaiti,KaiTi,serif}.manifesto a{border-bottom:1px solid #fff6;align-items:center;gap:60px;padding:10px 3px;font-size:13px;display:flex}.site-footer{color:#91a6c5;background:#040d20;border-top:1px solid #ffffff1a;padding:72px 6vw 28px;font-size:11px}.footer-main{justify-content:space-between;align-items:flex-start;gap:80px;max-width:1440px;margin:0 auto 70px;display:flex}.footer-brand{max-width:380px}.footer-logo{width:170px;height:auto;margin-bottom:25px;display:block}.footer-brand p{color:#91a6c5;letter-spacing:.05em;margin:0;font-size:13px;line-height:1.9}.footer-socials{min-width:min(620px,55vw)}.footer-kicker{color:#6f98cf;letter-spacing:.22em;margin-bottom:12px;font-size:10px;display:block}.footer-socials h2{color:#fff;letter-spacing:.04em;margin:0 0 26px;font:400 29px/1.4 STKaiti,KaiTi,serif}.social-links{flex-wrap:wrap;gap:12px;display:flex}.social-links a{color:#b9cbe4;background:#ffffff09;border:1px solid #a6c5ef33;border-radius:24px;align-items:center;gap:9px;min-width:94px;height:44px;padding:0 14px 0 8px;transition:color .25s,border-color .25s,background .25s,transform .25s;display:inline-flex}.social-links a:hover{color:#fff;background:#4d89da26;border-color:#b3d3ff80;transform:translateY(-3px)}.social-links i{color:#fff;background:#4e87d533;border-radius:50%;place-items:center;width:29px;height:29px;font:600 12px/1 Arial,sans-serif;display:grid}.social-links span{font-size:11px}.footer-bottom{color:#597294;letter-spacing:.12em;border-top:1px solid #ffffff14;justify-content:space-between;max-width:1440px;margin:0 auto;padding-top:24px;font-size:9px;display:flex}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#020c20b8;place-items:center;padding:25px;animation:.25s fadeIn;display:grid;position:fixed;inset:0}.modal{background:#f9fbff;border:1px solid #ffffff59;border-radius:25px;width:min(760px,96vw);max-height:90vh;animation:.35s liftIn;position:relative;overflow:auto;box-shadow:0 35px 100px #00000059}.modal-close{z-index:3;color:#23466f;cursor:pointer;background:#ffffffe6;border:1px solid #d7e2f0;border-radius:50%;width:36px;height:36px;font-size:23px;line-height:1;position:absolute;top:13px;right:16px}.modal-content{padding:54px 64px 48px}.modal-series{color:#2362af;letter-spacing:.16em;margin:0 52px 14px 0;font-size:11px}.modal-meta{color:#5d7799;letter-spacing:.08em;margin:0 0 26px;font-size:12px}.modal-content h2{margin:0 0 15px;font:600 34px/1.4 STKaiti,KaiTi,serif}.modal-content h3{color:#2362af;margin:0 0 25px;font-size:15px;line-height:1.7}.modal-description{color:#65758b;font-size:14px;line-height:1.9}.guest-block{border-top:1px solid #dce5ef;border-bottom:1px solid #dce5ef;margin:30px 0 34px;padding:22px 0}.guest-block>span{color:#8a98aa;margin-bottom:13px;font-size:11px;display:block}.guest-block div{flex-wrap:wrap;gap:8px;display:flex}.guest-block i{color:#425a78;border:1px solid #cfdae8;border-radius:18px;padding:6px 12px;font-size:11px;font-style:normal}.event-gallery{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:14px;margin:30px 0 8px;display:grid}.event-gallery img{border-radius:12px;width:100%;height:auto;display:block}.modal-links{gap:9px;margin-top:38px;display:grid}.modal-links a{color:#fff;background:#0b4da2;border-radius:30px;justify-content:space-between;padding:13px 18px;font-size:13px;display:flex}@keyframes fadeIn{0%{opacity:0}}@keyframes liftIn{0%{opacity:0;transform:translateY(18px)scale(.98)}}@media (width<=1100px){.hero-copy{width:43vw;left:5vw}.bubble-field{left:49%}.bubble-one{--size:220px;top:24%;left:10%}.bubble-two{--size:136px;top:5%;right:3%}.bubble-three{--size:142px;bottom:9%;left:0}.bubble-four{--size:148px;bottom:5%;right:5%}.bubble-five{--size:116px;top:3%;left:1%}.floating-panel{width:42vw}.panel-anchor-0{top:39%;right:4vw}.panel-anchor-1{top:20%;right:7vw}.panel-anchor-2{top:41%;left:48vw}.panel-anchor-3{top:50%;right:5vw}.panel-anchor-4{top:17%;left:47vw}.event-card>button{grid-template-columns:40% 60%}.card-body{padding:24px}.card-body h3{font-size:22px}}@media (width<=760px){.hero{min-height:980px}.nav-shell{height:82px;padding:0 22px}.brand-zhihu{font-size:24px}.brand-logo{width:116px}.menu-button{z-index:2;display:block;position:relative}.nav-links{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#051839f0;border:1px solid #fff3;border-radius:18px;flex-direction:column;gap:22px;padding:22px;display:none;position:absolute;top:70px;left:14px;right:14px}.nav-links.is-open{display:flex}.hero-copy{width:calc(100% - 48px);top:128px;left:24px}.hero-title img{width:100%}.hero-lead{margin-top:28px;font-size:13px}.bubble-field{height:300px;inset:420px 0 auto}.bubble-one{--size:150px;top:18%;left:calc(50% - 75px)}.bubble-two{--size:108px;top:0;right:4%}.bubble-three{--size:102px;bottom:1%;left:5%}.bubble-four{--size:105px;bottom:7%;right:3%}.bubble-five{--size:94px;top:1%;left:4%}.bubble-en{font-size:24px}.bubble-cn{font-size:10px}.liu-kanshan{width:126px;top:405px;left:auto;right:2%}.floating-panel,.panel-anchor-0,.panel-anchor-1,.panel-anchor-2,.panel-anchor-3,.panel-anchor-4{width:calc(100% - 36px);padding:21px;top:695px;left:18px;right:18px}.floating-panel:before,.panel-anchor-1:before,.panel-anchor-3:before,.scroll-mark{display:none}.archive{padding:86px 20px 100px}.section-heading{margin-bottom:45px;display:block}.section-heading h2{font-size:42px}.section-intro{margin-top:24px}.filter-row{align-items:end}.category-tabs{gap:0;overflow-x:auto}.category-tabs button{white-space:nowrap;padding:13px 14px;font-size:13px}.filter-row select{max-width:105px;font-size:12px}.event-grid{grid-template-columns:1fr}.category-statement{grid-template-columns:1fr;gap:12px;padding:24px}.category-statement p{font-size:17px}.event-card>button{grid-template-columns:1fr}.card-visual{min-height:225px}.card-body{min-height:265px}.site-footer{padding:58px 22px 25px}.footer-main{margin-bottom:52px;display:block}.footer-brand{margin-bottom:46px}.footer-socials{min-width:0}.social-links{gap:9px}.social-links a{min-width:0;padding-right:12px}.footer-bottom{flex-direction:column;gap:18px}.modal-content{padding:34px 25px}.modal-content h2{font-size:27px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}